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5d7836c4 | 1 | ///////////////////////////////////////////////////////////////////////////// |
61399247 | 2 | // Name: src/richtext/richtextbuffer.cpp |
5d7836c4 JS |
3 | // Purpose: Buffer for wxRichTextCtrl |
4 | // Author: Julian Smart | |
7fe8059f | 5 | // Modified by: |
5d7836c4 | 6 | // Created: 2005-09-30 |
7fe8059f | 7 | // RCS-ID: $Id$ |
5d7836c4 JS |
8 | // Copyright: (c) Julian Smart |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
61399247 | 16 | #pragma hdrstop |
5d7836c4 JS |
17 | #endif |
18 | ||
b01ca8b6 JS |
19 | #if wxUSE_RICHTEXT |
20 | ||
21 | #include "wx/richtext/richtextbuffer.h" | |
22 | ||
5d7836c4 | 23 | #ifndef WX_PRECOMP |
61399247 WS |
24 | #include "wx/dc.h" |
25 | #include "wx/intl.h" | |
7947a48a | 26 | #include "wx/log.h" |
28f92d74 | 27 | #include "wx/dataobj.h" |
02761f6c | 28 | #include "wx/module.h" |
5d7836c4 JS |
29 | #endif |
30 | ||
5d7836c4 JS |
31 | #include "wx/filename.h" |
32 | #include "wx/clipbrd.h" | |
33 | #include "wx/wfstream.h" | |
5d7836c4 JS |
34 | #include "wx/mstream.h" |
35 | #include "wx/sstream.h" | |
36 | ||
5d7836c4 JS |
37 | #include "wx/richtext/richtextctrl.h" |
38 | #include "wx/richtext/richtextstyles.h" | |
39 | ||
40 | #include "wx/listimpl.cpp" | |
41 | ||
412e0d47 DS |
42 | WX_DEFINE_LIST(wxRichTextObjectList) |
43 | WX_DEFINE_LIST(wxRichTextLineList) | |
5d7836c4 JS |
44 | |
45 | /*! | |
46 | * wxRichTextObject | |
47 | * This is the base for drawable objects. | |
48 | */ | |
49 | ||
50 | IMPLEMENT_CLASS(wxRichTextObject, wxObject) | |
51 | ||
52 | wxRichTextObject::wxRichTextObject(wxRichTextObject* parent) | |
53 | { | |
54 | m_dirty = false; | |
55 | m_refCount = 1; | |
56 | m_parent = parent; | |
57 | m_leftMargin = 0; | |
58 | m_rightMargin = 0; | |
59 | m_topMargin = 0; | |
60 | m_bottomMargin = 0; | |
61 | m_descent = 0; | |
62 | } | |
63 | ||
64 | wxRichTextObject::~wxRichTextObject() | |
65 | { | |
66 | } | |
67 | ||
68 | void wxRichTextObject::Dereference() | |
69 | { | |
70 | m_refCount --; | |
71 | if (m_refCount <= 0) | |
72 | delete this; | |
73 | } | |
74 | ||
75 | /// Copy | |
76 | void wxRichTextObject::Copy(const wxRichTextObject& obj) | |
77 | { | |
78 | m_size = obj.m_size; | |
79 | m_pos = obj.m_pos; | |
80 | m_dirty = obj.m_dirty; | |
81 | m_range = obj.m_range; | |
82 | m_attributes = obj.m_attributes; | |
83 | m_descent = obj.m_descent; | |
fe5aa22c | 84 | /* |
5d7836c4 JS |
85 | if (!m_attributes.GetFont().Ok()) |
86 | wxLogDebug(wxT("No font!")); | |
87 | if (!obj.m_attributes.GetFont().Ok()) | |
88 | wxLogDebug(wxT("Parent has no font!")); | |
fe5aa22c | 89 | */ |
5d7836c4 JS |
90 | } |
91 | ||
92 | void wxRichTextObject::SetMargins(int margin) | |
93 | { | |
94 | m_leftMargin = m_rightMargin = m_topMargin = m_bottomMargin = margin; | |
95 | } | |
96 | ||
97 | void wxRichTextObject::SetMargins(int leftMargin, int rightMargin, int topMargin, int bottomMargin) | |
98 | { | |
99 | m_leftMargin = leftMargin; | |
100 | m_rightMargin = rightMargin; | |
101 | m_topMargin = topMargin; | |
102 | m_bottomMargin = bottomMargin; | |
103 | } | |
104 | ||
105 | // Convert units in tends of a millimetre to device units | |
106 | int wxRichTextObject::ConvertTenthsMMToPixels(wxDC& dc, int units) | |
107 | { | |
108 | int ppi = dc.GetPPI().x; | |
109 | ||
110 | // There are ppi pixels in 254.1 "1/10 mm" | |
111 | ||
112 | double pixels = ((double) units * (double)ppi) / 254.1; | |
113 | ||
114 | return (int) pixels; | |
115 | } | |
116 | ||
117 | /// Dump to output stream for debugging | |
118 | void wxRichTextObject::Dump(wxTextOutputStream& stream) | |
119 | { | |
120 | stream << GetClassInfo()->GetClassName() << wxT("\n"); | |
121 | stream << wxString::Format(wxT("Size: %d,%d. Position: %d,%d, Range: %ld,%ld"), m_size.x, m_size.y, m_pos.x, m_pos.y, m_range.GetStart(), m_range.GetEnd()) << wxT("\n"); | |
122 | stream << wxString::Format(wxT("Text colour: %d,%d,%d."), (int) m_attributes.GetTextColour().Red(), (int) m_attributes.GetTextColour().Green(), (int) m_attributes.GetTextColour().Blue()) << wxT("\n"); | |
123 | } | |
124 | ||
125 | ||
126 | /*! | |
127 | * wxRichTextCompositeObject | |
128 | * This is the base for drawable objects. | |
129 | */ | |
130 | ||
131 | IMPLEMENT_CLASS(wxRichTextCompositeObject, wxRichTextObject) | |
132 | ||
133 | wxRichTextCompositeObject::wxRichTextCompositeObject(wxRichTextObject* parent): | |
134 | wxRichTextObject(parent) | |
135 | { | |
136 | } | |
137 | ||
138 | wxRichTextCompositeObject::~wxRichTextCompositeObject() | |
139 | { | |
140 | DeleteChildren(); | |
141 | } | |
142 | ||
143 | /// Get the nth child | |
144 | wxRichTextObject* wxRichTextCompositeObject::GetChild(size_t n) const | |
145 | { | |
146 | wxASSERT ( n < m_children.GetCount() ); | |
147 | ||
148 | return m_children.Item(n)->GetData(); | |
149 | } | |
150 | ||
151 | /// Append a child, returning the position | |
152 | size_t wxRichTextCompositeObject::AppendChild(wxRichTextObject* child) | |
153 | { | |
154 | m_children.Append(child); | |
155 | child->SetParent(this); | |
156 | return m_children.GetCount() - 1; | |
157 | } | |
158 | ||
159 | /// Insert the child in front of the given object, or at the beginning | |
160 | bool wxRichTextCompositeObject::InsertChild(wxRichTextObject* child, wxRichTextObject* inFrontOf) | |
161 | { | |
162 | if (inFrontOf) | |
163 | { | |
164 | wxRichTextObjectList::compatibility_iterator node = m_children.Find(inFrontOf); | |
165 | m_children.Insert(node, child); | |
166 | } | |
167 | else | |
168 | m_children.Insert(child); | |
169 | child->SetParent(this); | |
170 | ||
171 | return true; | |
172 | } | |
173 | ||
174 | /// Delete the child | |
175 | bool wxRichTextCompositeObject::RemoveChild(wxRichTextObject* child, bool deleteChild) | |
176 | { | |
177 | wxRichTextObjectList::compatibility_iterator node = m_children.Find(child); | |
178 | if (node) | |
179 | { | |
efbf6735 JS |
180 | wxRichTextObject* obj = node->GetData(); |
181 | m_children.Erase(node); | |
5d7836c4 | 182 | if (deleteChild) |
efbf6735 | 183 | delete obj; |
5d7836c4 JS |
184 | |
185 | return true; | |
186 | } | |
187 | return false; | |
188 | } | |
189 | ||
190 | /// Delete all children | |
191 | bool wxRichTextCompositeObject::DeleteChildren() | |
192 | { | |
193 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
194 | while (node) | |
195 | { | |
196 | wxRichTextObjectList::compatibility_iterator oldNode = node; | |
197 | ||
198 | wxRichTextObject* child = node->GetData(); | |
199 | child->Dereference(); // Only delete if reference count is zero | |
200 | ||
201 | node = node->GetNext(); | |
efbf6735 | 202 | m_children.Erase(oldNode); |
5d7836c4 JS |
203 | } |
204 | ||
205 | return true; | |
206 | } | |
207 | ||
208 | /// Get the child count | |
209 | size_t wxRichTextCompositeObject::GetChildCount() const | |
210 | { | |
211 | return m_children.GetCount(); | |
212 | } | |
213 | ||
214 | /// Copy | |
215 | void wxRichTextCompositeObject::Copy(const wxRichTextCompositeObject& obj) | |
216 | { | |
217 | wxRichTextObject::Copy(obj); | |
218 | ||
219 | DeleteChildren(); | |
220 | ||
221 | wxRichTextObjectList::compatibility_iterator node = obj.m_children.GetFirst(); | |
222 | while (node) | |
223 | { | |
224 | wxRichTextObject* child = node->GetData(); | |
fe5aa22c JS |
225 | wxRichTextObject* newChild = child->Clone(); |
226 | newChild->SetParent(this); | |
227 | m_children.Append(newChild); | |
5d7836c4 JS |
228 | |
229 | node = node->GetNext(); | |
230 | } | |
231 | } | |
232 | ||
233 | /// Hit-testing: returns a flag indicating hit test details, plus | |
234 | /// information about position | |
235 | int wxRichTextCompositeObject::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition) | |
236 | { | |
237 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
238 | while (node) | |
239 | { | |
240 | wxRichTextObject* child = node->GetData(); | |
241 | ||
242 | int ret = child->HitTest(dc, pt, textPosition); | |
243 | if (ret != wxRICHTEXT_HITTEST_NONE) | |
244 | return ret; | |
245 | ||
246 | node = node->GetNext(); | |
247 | } | |
248 | ||
249 | return wxRICHTEXT_HITTEST_NONE; | |
250 | } | |
251 | ||
252 | /// Finds the absolute position and row height for the given character position | |
253 | bool wxRichTextCompositeObject::FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart) | |
254 | { | |
255 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
256 | while (node) | |
257 | { | |
258 | wxRichTextObject* child = node->GetData(); | |
259 | ||
260 | if (child->FindPosition(dc, index, pt, height, forceLineStart)) | |
261 | return true; | |
262 | ||
263 | node = node->GetNext(); | |
264 | } | |
265 | ||
266 | return false; | |
267 | } | |
268 | ||
269 | /// Calculate range | |
270 | void wxRichTextCompositeObject::CalculateRange(long start, long& end) | |
271 | { | |
272 | long current = start; | |
273 | long lastEnd = current; | |
274 | ||
275 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
276 | while (node) | |
277 | { | |
278 | wxRichTextObject* child = node->GetData(); | |
279 | long childEnd = 0; | |
280 | ||
281 | child->CalculateRange(current, childEnd); | |
282 | lastEnd = childEnd; | |
283 | ||
284 | current = childEnd + 1; | |
285 | ||
286 | node = node->GetNext(); | |
287 | } | |
288 | ||
289 | end = lastEnd; | |
290 | ||
291 | // An object with no children has zero length | |
292 | if (m_children.GetCount() == 0) | |
293 | end --; | |
294 | ||
295 | m_range.SetRange(start, end); | |
296 | } | |
297 | ||
298 | /// Delete range from layout. | |
299 | bool wxRichTextCompositeObject::DeleteRange(const wxRichTextRange& range) | |
300 | { | |
301 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
7fe8059f | 302 | |
5d7836c4 JS |
303 | while (node) |
304 | { | |
305 | wxRichTextObject* obj = (wxRichTextObject*) node->GetData(); | |
306 | wxRichTextObjectList::compatibility_iterator next = node->GetNext(); | |
7fe8059f | 307 | |
5d7836c4 JS |
308 | // Delete the range in each paragraph |
309 | ||
310 | // When a chunk has been deleted, internally the content does not | |
311 | // now match the ranges. | |
312 | // However, so long as deletion is not done on the same object twice this is OK. | |
313 | // If you may delete content from the same object twice, recalculate | |
314 | // the ranges inbetween DeleteRange calls by calling CalculateRanges, and | |
315 | // adjust the range you're deleting accordingly. | |
7fe8059f | 316 | |
5d7836c4 JS |
317 | if (!obj->GetRange().IsOutside(range)) |
318 | { | |
319 | obj->DeleteRange(range); | |
320 | ||
321 | // Delete an empty object, or paragraph within this range. | |
322 | if (obj->IsEmpty() || | |
323 | (range.GetStart() <= obj->GetRange().GetStart() && range.GetEnd() >= obj->GetRange().GetEnd())) | |
324 | { | |
325 | // An empty paragraph has length 1, so won't be deleted unless the | |
326 | // whole range is deleted. | |
7fe8059f | 327 | RemoveChild(obj, true); |
5d7836c4 JS |
328 | } |
329 | } | |
7fe8059f | 330 | |
5d7836c4 JS |
331 | node = next; |
332 | } | |
7fe8059f | 333 | |
5d7836c4 JS |
334 | return true; |
335 | } | |
336 | ||
337 | /// Get any text in this object for the given range | |
338 | wxString wxRichTextCompositeObject::GetTextForRange(const wxRichTextRange& range) const | |
339 | { | |
340 | wxString text; | |
341 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
342 | while (node) | |
343 | { | |
344 | wxRichTextObject* child = node->GetData(); | |
345 | wxRichTextRange childRange = range; | |
346 | if (!child->GetRange().IsOutside(range)) | |
347 | { | |
348 | childRange.LimitTo(child->GetRange()); | |
7fe8059f | 349 | |
5d7836c4 | 350 | wxString childText = child->GetTextForRange(childRange); |
7fe8059f | 351 | |
5d7836c4 JS |
352 | text += childText; |
353 | } | |
354 | node = node->GetNext(); | |
355 | } | |
356 | ||
357 | return text; | |
358 | } | |
359 | ||
360 | /// Recursively merge all pieces that can be merged. | |
361 | bool wxRichTextCompositeObject::Defragment() | |
362 | { | |
363 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
364 | while (node) | |
365 | { | |
366 | wxRichTextObject* child = node->GetData(); | |
367 | wxRichTextCompositeObject* composite = wxDynamicCast(child, wxRichTextCompositeObject); | |
7fe8059f | 368 | if (composite) |
5d7836c4 JS |
369 | composite->Defragment(); |
370 | ||
371 | if (node->GetNext()) | |
372 | { | |
373 | wxRichTextObject* nextChild = node->GetNext()->GetData(); | |
374 | if (child->CanMerge(nextChild) && child->Merge(nextChild)) | |
375 | { | |
376 | nextChild->Dereference(); | |
9e31a660 | 377 | m_children.Erase(node->GetNext()); |
5d7836c4 JS |
378 | |
379 | // Don't set node -- we'll see if we can merge again with the next | |
380 | // child. | |
381 | } | |
382 | else | |
383 | node = node->GetNext(); | |
384 | } | |
385 | else | |
386 | node = node->GetNext(); | |
387 | } | |
388 | ||
389 | return true; | |
390 | } | |
391 | ||
392 | /// Dump to output stream for debugging | |
393 | void wxRichTextCompositeObject::Dump(wxTextOutputStream& stream) | |
394 | { | |
395 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
396 | while (node) | |
397 | { | |
398 | wxRichTextObject* child = node->GetData(); | |
399 | child->Dump(stream); | |
400 | node = node->GetNext(); | |
401 | } | |
402 | } | |
403 | ||
404 | ||
405 | /*! | |
406 | * wxRichTextBox | |
407 | * This defines a 2D space to lay out objects | |
408 | */ | |
409 | ||
410 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextBox, wxRichTextCompositeObject) | |
411 | ||
412 | wxRichTextBox::wxRichTextBox(wxRichTextObject* parent): | |
413 | wxRichTextCompositeObject(parent) | |
414 | { | |
415 | } | |
416 | ||
417 | /// Draw the item | |
418 | bool wxRichTextBox::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int descent, int style) | |
419 | { | |
420 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
421 | while (node) | |
422 | { | |
423 | wxRichTextObject* child = node->GetData(); | |
424 | ||
425 | wxRect childRect = wxRect(child->GetPosition(), child->GetCachedSize()); | |
426 | child->Draw(dc, range, selectionRange, childRect, descent, style); | |
427 | ||
428 | node = node->GetNext(); | |
429 | } | |
430 | return true; | |
431 | } | |
432 | ||
433 | /// Lay the item out | |
38113684 | 434 | bool wxRichTextBox::Layout(wxDC& dc, const wxRect& rect, int style) |
5d7836c4 JS |
435 | { |
436 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
437 | while (node) | |
438 | { | |
439 | wxRichTextObject* child = node->GetData(); | |
38113684 | 440 | child->Layout(dc, rect, style); |
5d7836c4 JS |
441 | |
442 | node = node->GetNext(); | |
443 | } | |
444 | m_dirty = false; | |
445 | return true; | |
446 | } | |
447 | ||
448 | /// Get/set the size for the given range. Assume only has one child. | |
7f0d9d71 | 449 | bool wxRichTextBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const |
5d7836c4 JS |
450 | { |
451 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
452 | if (node) | |
453 | { | |
454 | wxRichTextObject* child = node->GetData(); | |
7f0d9d71 | 455 | return child->GetRangeSize(range, size, descent, dc, flags, position); |
5d7836c4 JS |
456 | } |
457 | else | |
458 | return false; | |
459 | } | |
460 | ||
461 | /// Copy | |
462 | void wxRichTextBox::Copy(const wxRichTextBox& obj) | |
463 | { | |
464 | wxRichTextCompositeObject::Copy(obj); | |
465 | } | |
466 | ||
467 | ||
468 | /*! | |
469 | * wxRichTextParagraphLayoutBox | |
470 | * This box knows how to lay out paragraphs. | |
471 | */ | |
472 | ||
473 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraphLayoutBox, wxRichTextBox) | |
474 | ||
475 | wxRichTextParagraphLayoutBox::wxRichTextParagraphLayoutBox(wxRichTextObject* parent): | |
476 | wxRichTextBox(parent) | |
477 | { | |
478 | Init(); | |
479 | } | |
480 | ||
481 | /// Initialize the object. | |
482 | void wxRichTextParagraphLayoutBox::Init() | |
483 | { | |
484 | m_ctrl = NULL; | |
485 | ||
486 | // For now, assume is the only box and has no initial size. | |
487 | m_range = wxRichTextRange(0, -1); | |
488 | ||
38113684 | 489 | m_invalidRange.SetRange(-1, -1); |
5d7836c4 JS |
490 | m_leftMargin = 4; |
491 | m_rightMargin = 4; | |
492 | m_topMargin = 4; | |
493 | m_bottomMargin = 4; | |
494 | } | |
495 | ||
496 | /// Draw the item | |
011b3dcb | 497 | bool wxRichTextParagraphLayoutBox::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style) |
5d7836c4 JS |
498 | { |
499 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
500 | while (node) | |
501 | { | |
502 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
503 | wxASSERT (child != NULL); | |
7fe8059f | 504 | |
5d7836c4 JS |
505 | if (child && !child->GetRange().IsOutside(range)) |
506 | { | |
507 | wxRect childRect(child->GetPosition(), child->GetCachedSize()); | |
7fe8059f | 508 | |
011b3dcb JS |
509 | if (childRect.GetTop() > rect.GetBottom() || childRect.GetBottom() < rect.GetTop()) |
510 | { | |
511 | // Skip | |
512 | } | |
513 | else | |
514 | child->Draw(dc, child->GetRange(), selectionRange, childRect, descent, style); | |
5d7836c4 JS |
515 | } |
516 | ||
517 | node = node->GetNext(); | |
518 | } | |
519 | return true; | |
520 | } | |
521 | ||
522 | /// Lay the item out | |
38113684 | 523 | bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int style) |
5d7836c4 | 524 | { |
4d551ad5 JS |
525 | wxRect availableSpace; |
526 | bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT; | |
527 | ||
528 | // If only laying out a specific area, the passed rect has a different meaning: | |
529 | // the visible part of the buffer. | |
530 | if (formatRect) | |
531 | { | |
532 | availableSpace = wxRect(0 + m_leftMargin, | |
533 | 0 + m_topMargin, | |
534 | rect.width - m_leftMargin - m_rightMargin, | |
535 | rect.height); | |
536 | ||
537 | // Invalidate the part of the buffer from the first visible line | |
538 | // to the end. If other parts of the buffer are currently invalid, | |
539 | // then they too will be taken into account if they are above | |
540 | // the visible point. | |
541 | long startPos = 0; | |
542 | wxRichTextLine* line = GetLineAtYPosition(rect.y); | |
543 | if (line) | |
544 | startPos = line->GetAbsoluteRange().GetStart(); | |
545 | ||
546 | Invalidate(wxRichTextRange(startPos, GetRange().GetEnd())); | |
547 | } | |
548 | else | |
549 | availableSpace = wxRect(rect.x + m_leftMargin, | |
5d7836c4 JS |
550 | rect.y + m_topMargin, |
551 | rect.width - m_leftMargin - m_rightMargin, | |
552 | rect.height - m_topMargin - m_bottomMargin); | |
553 | ||
554 | int maxWidth = 0; | |
7fe8059f | 555 | |
5d7836c4 | 556 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); |
39a1c2f2 | 557 | |
38113684 | 558 | bool layoutAll = true; |
1e967276 | 559 | |
38113684 JS |
560 | // Get invalid range, rounding to paragraph start/end. |
561 | wxRichTextRange invalidRange = GetInvalidRange(true); | |
562 | ||
4d551ad5 | 563 | if (invalidRange == wxRICHTEXT_NONE && !formatRect) |
1e967276 JS |
564 | return true; |
565 | ||
566 | if (invalidRange == wxRICHTEXT_ALL) | |
567 | layoutAll = true; | |
38113684 JS |
568 | else // If we know what range is affected, start laying out from that point on. |
569 | if (invalidRange.GetStart() > GetRange().GetStart()) | |
2c375f42 | 570 | { |
38113684 | 571 | wxRichTextParagraph* firstParagraph = GetParagraphAtPosition(invalidRange.GetStart()); |
2c375f42 JS |
572 | if (firstParagraph) |
573 | { | |
574 | wxRichTextObjectList::compatibility_iterator firstNode = m_children.Find(firstParagraph); | |
0cc70962 VZ |
575 | wxRichTextObjectList::compatibility_iterator previousNode; |
576 | if ( firstNode ) | |
577 | previousNode = firstNode->GetPrevious(); | |
2c375f42 JS |
578 | if (firstNode && previousNode) |
579 | { | |
580 | wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph); | |
581 | availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y; | |
7fe8059f | 582 | |
2c375f42 JS |
583 | // Now we're going to start iterating from the first affected paragraph. |
584 | node = firstNode; | |
1e967276 JS |
585 | |
586 | layoutAll = false; | |
2c375f42 JS |
587 | } |
588 | } | |
589 | } | |
590 | ||
4d551ad5 JS |
591 | // A way to force speedy rest-of-buffer layout (the 'else' below) |
592 | bool forceQuickLayout = false; | |
39a1c2f2 | 593 | |
5d7836c4 JS |
594 | while (node) |
595 | { | |
596 | // Assume this box only contains paragraphs | |
597 | ||
598 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
f120af9d | 599 | wxCHECK_MSG( child, false, _T("Unknown object in layout") ); |
7fe8059f | 600 | |
1e967276 | 601 | // TODO: what if the child hasn't been laid out (e.g. involved in Undo) but still has 'old' lines |
f120af9d VZ |
602 | if ( !forceQuickLayout && |
603 | (layoutAll || | |
604 | child->GetLines().IsEmpty() || | |
605 | !child->GetRange().IsOutside(invalidRange)) ) | |
2c375f42 | 606 | { |
38113684 | 607 | child->Layout(dc, availableSpace, style); |
5d7836c4 | 608 | |
2c375f42 JS |
609 | // Layout must set the cached size |
610 | availableSpace.y += child->GetCachedSize().y; | |
611 | maxWidth = wxMax(maxWidth, child->GetCachedSize().x); | |
4d551ad5 JS |
612 | |
613 | // If we're just formatting the visible part of the buffer, | |
614 | // and we're now past the bottom of the window, start quick | |
615 | // layout. | |
616 | if (formatRect && child->GetPosition().y > rect.GetBottom()) | |
617 | forceQuickLayout = true; | |
2c375f42 JS |
618 | } |
619 | else | |
620 | { | |
621 | // We're outside the immediately affected range, so now let's just | |
622 | // move everything up or down. This assumes that all the children have previously | |
623 | // been laid out and have wrapped line lists associated with them. | |
624 | // TODO: check all paragraphs before the affected range. | |
7fe8059f | 625 | |
2c375f42 | 626 | int inc = availableSpace.y - child->GetPosition().y; |
7fe8059f | 627 | |
2c375f42 JS |
628 | while (node) |
629 | { | |
630 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
631 | if (child) | |
632 | { | |
633 | if (child->GetLines().GetCount() == 0) | |
38113684 | 634 | child->Layout(dc, availableSpace, style); |
2c375f42 JS |
635 | else |
636 | child->SetPosition(wxPoint(child->GetPosition().x, child->GetPosition().y + inc)); | |
7fe8059f | 637 | |
2c375f42 JS |
638 | availableSpace.y += child->GetCachedSize().y; |
639 | maxWidth = wxMax(maxWidth, child->GetCachedSize().x); | |
640 | } | |
7fe8059f WS |
641 | |
642 | node = node->GetNext(); | |
2c375f42 JS |
643 | } |
644 | break; | |
645 | } | |
5d7836c4 JS |
646 | |
647 | node = node->GetNext(); | |
648 | } | |
649 | ||
650 | SetCachedSize(wxSize(maxWidth, availableSpace.y)); | |
651 | ||
652 | m_dirty = false; | |
1e967276 | 653 | m_invalidRange = wxRICHTEXT_NONE; |
5d7836c4 JS |
654 | |
655 | return true; | |
656 | } | |
657 | ||
658 | /// Copy | |
659 | void wxRichTextParagraphLayoutBox::Copy(const wxRichTextParagraphLayoutBox& obj) | |
660 | { | |
661 | wxRichTextBox::Copy(obj); | |
662 | } | |
663 | ||
664 | /// Get/set the size for the given range. | |
7f0d9d71 | 665 | bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const |
5d7836c4 JS |
666 | { |
667 | wxSize sz; | |
668 | ||
09f14108 JS |
669 | wxRichTextObjectList::compatibility_iterator startPara = wxRichTextObjectList::compatibility_iterator(); |
670 | wxRichTextObjectList::compatibility_iterator endPara = wxRichTextObjectList::compatibility_iterator(); | |
5d7836c4 JS |
671 | |
672 | // First find the first paragraph whose starting position is within the range. | |
673 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
674 | while (node) | |
675 | { | |
676 | // child is a paragraph | |
677 | wxRichTextObject* child = node->GetData(); | |
678 | const wxRichTextRange& r = child->GetRange(); | |
679 | ||
680 | if (r.GetStart() <= range.GetStart() && r.GetEnd() >= range.GetStart()) | |
681 | { | |
682 | startPara = node; | |
683 | break; | |
684 | } | |
685 | ||
686 | node = node->GetNext(); | |
687 | } | |
688 | ||
689 | // Next find the last paragraph containing part of the range | |
690 | node = m_children.GetFirst(); | |
691 | while (node) | |
692 | { | |
693 | // child is a paragraph | |
694 | wxRichTextObject* child = node->GetData(); | |
695 | const wxRichTextRange& r = child->GetRange(); | |
696 | ||
697 | if (r.GetStart() <= range.GetEnd() && r.GetEnd() >= range.GetEnd()) | |
698 | { | |
699 | endPara = node; | |
700 | break; | |
701 | } | |
702 | ||
703 | node = node->GetNext(); | |
704 | } | |
705 | ||
706 | if (!startPara || !endPara) | |
707 | return false; | |
708 | ||
709 | // Now we can add up the sizes | |
710 | for (node = startPara; node ; node = node->GetNext()) | |
711 | { | |
712 | // child is a paragraph | |
713 | wxRichTextObject* child = node->GetData(); | |
714 | const wxRichTextRange& childRange = child->GetRange(); | |
715 | wxRichTextRange rangeToFind = range; | |
716 | rangeToFind.LimitTo(childRange); | |
717 | ||
718 | wxSize childSize; | |
719 | ||
720 | int childDescent = 0; | |
7f0d9d71 | 721 | child->GetRangeSize(rangeToFind, childSize, childDescent, dc, flags, position); |
5d7836c4 JS |
722 | |
723 | descent = wxMax(childDescent, descent); | |
724 | ||
725 | sz.x = wxMax(sz.x, childSize.x); | |
726 | sz.y += childSize.y; | |
727 | ||
728 | if (node == endPara) | |
729 | break; | |
730 | } | |
731 | ||
732 | size = sz; | |
733 | ||
734 | return true; | |
735 | } | |
736 | ||
737 | /// Get the paragraph at the given position | |
738 | wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtPosition(long pos, bool caretPosition) const | |
739 | { | |
740 | if (caretPosition) | |
741 | pos ++; | |
742 | ||
743 | // First find the first paragraph whose starting position is within the range. | |
744 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
745 | while (node) | |
746 | { | |
747 | // child is a paragraph | |
748 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
749 | wxASSERT (child != NULL); | |
750 | ||
751 | // Return first child in buffer if position is -1 | |
752 | // if (pos == -1) | |
753 | // return child; | |
754 | ||
755 | if (child->GetRange().Contains(pos)) | |
756 | return child; | |
757 | ||
758 | node = node->GetNext(); | |
759 | } | |
760 | return NULL; | |
761 | } | |
762 | ||
763 | /// Get the line at the given position | |
764 | wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtPosition(long pos, bool caretPosition) const | |
765 | { | |
766 | if (caretPosition) | |
767 | pos ++; | |
768 | ||
769 | // First find the first paragraph whose starting position is within the range. | |
770 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
771 | while (node) | |
772 | { | |
773 | // child is a paragraph | |
774 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
775 | wxASSERT (child != NULL); | |
776 | ||
777 | wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst(); | |
778 | while (node2) | |
779 | { | |
780 | wxRichTextLine* line = node2->GetData(); | |
781 | ||
1e967276 JS |
782 | wxRichTextRange range = line->GetAbsoluteRange(); |
783 | ||
784 | if (range.Contains(pos) || | |
5d7836c4 JS |
785 | |
786 | // If the position is end-of-paragraph, then return the last line of | |
787 | // of the paragraph. | |
1e967276 | 788 | (range.GetEnd() == child->GetRange().GetEnd()-1) && (pos == child->GetRange().GetEnd())) |
5d7836c4 JS |
789 | return line; |
790 | ||
791 | node2 = node2->GetNext(); | |
7fe8059f | 792 | } |
5d7836c4 JS |
793 | |
794 | node = node->GetNext(); | |
795 | } | |
796 | ||
797 | int lineCount = GetLineCount(); | |
798 | if (lineCount > 0) | |
799 | return GetLineForVisibleLineNumber(lineCount-1); | |
800 | else | |
801 | return NULL; | |
802 | } | |
803 | ||
804 | /// Get the line at the given y pixel position, or the last line. | |
805 | wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtYPosition(int y) const | |
806 | { | |
807 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
808 | while (node) | |
809 | { | |
810 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
811 | wxASSERT (child != NULL); | |
812 | ||
813 | wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst(); | |
814 | while (node2) | |
815 | { | |
816 | wxRichTextLine* line = node2->GetData(); | |
817 | ||
818 | wxRect rect(line->GetRect()); | |
819 | ||
820 | if (y <= rect.GetBottom()) | |
821 | return line; | |
822 | ||
823 | node2 = node2->GetNext(); | |
7fe8059f | 824 | } |
5d7836c4 JS |
825 | |
826 | node = node->GetNext(); | |
827 | } | |
828 | ||
829 | // Return last line | |
830 | int lineCount = GetLineCount(); | |
831 | if (lineCount > 0) | |
832 | return GetLineForVisibleLineNumber(lineCount-1); | |
833 | else | |
834 | return NULL; | |
835 | } | |
836 | ||
837 | /// Get the number of visible lines | |
838 | int wxRichTextParagraphLayoutBox::GetLineCount() const | |
839 | { | |
840 | int count = 0; | |
841 | ||
842 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
843 | while (node) | |
844 | { | |
845 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
846 | wxASSERT (child != NULL); | |
847 | ||
848 | count += child->GetLines().GetCount(); | |
849 | node = node->GetNext(); | |
850 | } | |
851 | return count; | |
852 | } | |
853 | ||
854 | ||
855 | /// Get the paragraph for a given line | |
856 | wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphForLine(wxRichTextLine* line) const | |
857 | { | |
1e967276 | 858 | return GetParagraphAtPosition(line->GetAbsoluteRange().GetStart()); |
5d7836c4 JS |
859 | } |
860 | ||
861 | /// Get the line size at the given position | |
862 | wxSize wxRichTextParagraphLayoutBox::GetLineSizeAtPosition(long pos, bool caretPosition) const | |
863 | { | |
864 | wxRichTextLine* line = GetLineAtPosition(pos, caretPosition); | |
865 | if (line) | |
866 | { | |
867 | return line->GetSize(); | |
868 | } | |
869 | else | |
870 | return wxSize(0, 0); | |
871 | } | |
872 | ||
873 | ||
874 | /// Convenience function to add a paragraph of text | |
fe5aa22c | 875 | wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text, wxTextAttrEx* paraStyle) |
5d7836c4 | 876 | { |
fe5aa22c JS |
877 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
878 | // Don't use the base style, just the default style, and the base style will | |
879 | // be combined at display time | |
880 | wxTextAttrEx style(GetDefaultStyle()); | |
881 | #else | |
5d7836c4 JS |
882 | wxTextAttrEx style(GetAttributes()); |
883 | ||
884 | // Apply default style. If the style has no attributes set, | |
885 | // then the attributes will remain the 'basic style' (i.e. the | |
886 | // layout box's style). | |
887 | wxRichTextApplyStyle(style, GetDefaultStyle()); | |
fe5aa22c | 888 | #endif |
5d7836c4 | 889 | wxRichTextParagraph* para = new wxRichTextParagraph(text, this, & style); |
fe5aa22c JS |
890 | if (paraStyle) |
891 | para->SetAttributes(*paraStyle); | |
5d7836c4 JS |
892 | |
893 | AppendChild(para); | |
894 | ||
895 | UpdateRanges(); | |
896 | SetDirty(true); | |
897 | ||
898 | return para->GetRange(); | |
899 | } | |
900 | ||
901 | /// Adds multiple paragraphs, based on newlines. | |
fe5aa22c | 902 | wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text, wxTextAttrEx* paraStyle) |
5d7836c4 | 903 | { |
fe5aa22c JS |
904 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
905 | // Don't use the base style, just the default style, and the base style will | |
906 | // be combined at display time | |
907 | wxTextAttrEx style(GetDefaultStyle()); | |
908 | #else | |
5d7836c4 | 909 | wxTextAttrEx style(GetAttributes()); |
fe5aa22c | 910 | |
5d7836c4 JS |
911 | //wxLogDebug("Initial style = %s", style.GetFont().GetFaceName()); |
912 | //wxLogDebug("Initial size = %d", style.GetFont().GetPointSize()); | |
913 | ||
914 | // Apply default style. If the style has no attributes set, | |
915 | // then the attributes will remain the 'basic style' (i.e. the | |
916 | // layout box's style). | |
917 | wxRichTextApplyStyle(style, GetDefaultStyle()); | |
918 | ||
919 | //wxLogDebug("Style after applying default style = %s", style.GetFont().GetFaceName()); | |
920 | //wxLogDebug("Size after applying default style = %d", style.GetFont().GetPointSize()); | |
fe5aa22c | 921 | #endif |
5d7836c4 JS |
922 | |
923 | wxRichTextParagraph* firstPara = NULL; | |
924 | wxRichTextParagraph* lastPara = NULL; | |
925 | ||
926 | wxRichTextRange range(-1, -1); | |
927 | size_t i = 0; | |
28f92d74 | 928 | size_t len = text.length(); |
5d7836c4 JS |
929 | wxString line; |
930 | while (i < len) | |
931 | { | |
932 | wxChar ch = text[i]; | |
933 | if (ch == wxT('\n') || ch == wxT('\r')) | |
934 | { | |
935 | wxRichTextParagraph* para = new wxRichTextParagraph(line, this, & style); | |
fe5aa22c JS |
936 | if (paraStyle) |
937 | para->SetAttributes(*paraStyle); | |
5d7836c4 JS |
938 | |
939 | AppendChild(para); | |
940 | if (!firstPara) | |
941 | firstPara = para; | |
942 | lastPara = para; | |
943 | line = wxEmptyString; | |
944 | } | |
945 | else | |
946 | line += ch; | |
947 | ||
948 | i ++; | |
949 | } | |
7fe8059f | 950 | if (!line.empty()) |
5d7836c4 JS |
951 | { |
952 | lastPara = new wxRichTextParagraph(line, this, & style); | |
fe5aa22c JS |
953 | if (paraStyle) |
954 | lastPara->SetAttributes(*paraStyle); | |
955 | ||
5d7836c4 JS |
956 | //wxLogDebug("Para Face = %s", lastPara->GetAttributes().GetFont().GetFaceName()); |
957 | AppendChild(lastPara); | |
958 | } | |
959 | ||
960 | if (firstPara) | |
961 | range.SetStart(firstPara->GetRange().GetStart()); | |
962 | else if (lastPara) | |
963 | range.SetStart(lastPara->GetRange().GetStart()); | |
964 | ||
965 | if (lastPara) | |
966 | range.SetEnd(lastPara->GetRange().GetEnd()); | |
967 | else if (firstPara) | |
968 | range.SetEnd(firstPara->GetRange().GetEnd()); | |
969 | ||
970 | UpdateRanges(); | |
971 | SetDirty(false); | |
972 | ||
973 | return GetRange(); | |
974 | } | |
975 | ||
976 | /// Convenience function to add an image | |
fe5aa22c | 977 | wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image, wxTextAttrEx* paraStyle) |
5d7836c4 | 978 | { |
fe5aa22c JS |
979 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
980 | // Don't use the base style, just the default style, and the base style will | |
981 | // be combined at display time | |
982 | wxTextAttrEx style(GetDefaultStyle()); | |
983 | #else | |
5d7836c4 JS |
984 | wxTextAttrEx style(GetAttributes()); |
985 | ||
986 | // Apply default style. If the style has no attributes set, | |
987 | // then the attributes will remain the 'basic style' (i.e. the | |
988 | // layout box's style). | |
989 | wxRichTextApplyStyle(style, GetDefaultStyle()); | |
fe5aa22c | 990 | #endif |
5d7836c4 JS |
991 | |
992 | wxRichTextParagraph* para = new wxRichTextParagraph(this, & style); | |
993 | AppendChild(para); | |
994 | para->AppendChild(new wxRichTextImage(image, this)); | |
995 | ||
fe5aa22c JS |
996 | if (paraStyle) |
997 | para->SetAttributes(*paraStyle); | |
998 | ||
5d7836c4 JS |
999 | UpdateRanges(); |
1000 | SetDirty(true); | |
1001 | ||
1002 | return para->GetRange(); | |
1003 | } | |
1004 | ||
1005 | ||
1006 | /// Insert fragment into this box at the given position. If partialParagraph is true, | |
1007 | /// it is assumed that the last (or only) paragraph is just a piece of data with no paragraph | |
1008 | /// marker. | |
1009 | /// TODO: if fragment is inserted inside styled fragment, must apply that style to | |
1010 | /// to the data (if it has a default style, anyway). | |
1011 | ||
1012 | bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextFragment& fragment) | |
1013 | { | |
1014 | SetDirty(true); | |
1015 | ||
1016 | // First, find the first paragraph whose starting position is within the range. | |
1017 | wxRichTextParagraph* para = GetParagraphAtPosition(position); | |
1018 | if (para) | |
1019 | { | |
1020 | wxRichTextObjectList::compatibility_iterator node = m_children.Find(para); | |
1021 | ||
1022 | // Now split at this position, returning the object to insert the new | |
1023 | // ones in front of. | |
1024 | wxRichTextObject* nextObject = para->SplitAt(position); | |
1025 | ||
1026 | // Special case: partial paragraph, just one paragraph. Might be a small amount of | |
1027 | // text, for example, so let's optimize. | |
1028 | ||
1029 | if (fragment.GetPartialParagraph() && fragment.GetChildren().GetCount() == 1) | |
1030 | { | |
1031 | // Add the first para to this para... | |
1032 | wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst(); | |
1033 | if (!firstParaNode) | |
1034 | return false; | |
1035 | ||
1036 | // Iterate through the fragment paragraph inserting the content into this paragraph. | |
1037 | wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph); | |
1038 | wxASSERT (firstPara != NULL); | |
1039 | ||
1040 | wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst(); | |
1041 | while (objectNode) | |
1042 | { | |
1043 | wxRichTextObject* newObj = objectNode->GetData()->Clone(); | |
7fe8059f | 1044 | |
5d7836c4 JS |
1045 | if (!nextObject) |
1046 | { | |
1047 | // Append | |
1048 | para->AppendChild(newObj); | |
1049 | } | |
1050 | else | |
1051 | { | |
1052 | // Insert before nextObject | |
1053 | para->InsertChild(newObj, nextObject); | |
1054 | } | |
7fe8059f | 1055 | |
5d7836c4 JS |
1056 | objectNode = objectNode->GetNext(); |
1057 | } | |
1058 | ||
1059 | return true; | |
1060 | } | |
1061 | else | |
1062 | { | |
1063 | // Procedure for inserting a fragment consisting of a number of | |
1064 | // paragraphs: | |
1065 | // | |
1066 | // 1. Remove and save the content that's after the insertion point, for adding | |
1067 | // back once we've added the fragment. | |
1068 | // 2. Add the content from the first fragment paragraph to the current | |
1069 | // paragraph. | |
1070 | // 3. Add remaining fragment paragraphs after the current paragraph. | |
1071 | // 4. Add back the saved content from the first paragraph. If partialParagraph | |
1072 | // is true, add it to the last paragraph added and not a new one. | |
1073 | ||
1074 | // 1. Remove and save objects after split point. | |
1075 | wxList savedObjects; | |
1076 | if (nextObject) | |
1077 | para->MoveToList(nextObject, savedObjects); | |
1078 | ||
1079 | // 2. Add the content from the 1st fragment paragraph. | |
1080 | wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst(); | |
1081 | if (!firstParaNode) | |
1082 | return false; | |
1083 | ||
1084 | wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph); | |
1085 | wxASSERT(firstPara != NULL); | |
1086 | ||
1087 | wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst(); | |
1088 | while (objectNode) | |
1089 | { | |
1090 | wxRichTextObject* newObj = objectNode->GetData()->Clone(); | |
7fe8059f | 1091 | |
5d7836c4 JS |
1092 | // Append |
1093 | para->AppendChild(newObj); | |
7fe8059f | 1094 | |
5d7836c4 JS |
1095 | objectNode = objectNode->GetNext(); |
1096 | } | |
1097 | ||
1098 | // 3. Add remaining fragment paragraphs after the current paragraph. | |
1099 | wxRichTextObjectList::compatibility_iterator nextParagraphNode = node->GetNext(); | |
1100 | wxRichTextObject* nextParagraph = NULL; | |
1101 | if (nextParagraphNode) | |
1102 | nextParagraph = nextParagraphNode->GetData(); | |
1103 | ||
1104 | wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst()->GetNext(); | |
1105 | wxRichTextParagraph* finalPara = para; | |
1106 | ||
1107 | // If there was only one paragraph, we need to insert a new one. | |
1108 | if (!i) | |
1109 | { | |
1110 | finalPara = new wxRichTextParagraph; | |
1111 | ||
1112 | // TODO: These attributes should come from the subsequent paragraph | |
1113 | // when originally deleted, since the subsequent para takes on | |
1114 | // the previous para's attributes. | |
1115 | finalPara->SetAttributes(firstPara->GetAttributes()); | |
1116 | ||
1117 | if (nextParagraph) | |
1118 | InsertChild(finalPara, nextParagraph); | |
1119 | else | |
7fe8059f | 1120 | AppendChild(finalPara); |
5d7836c4 JS |
1121 | } |
1122 | else while (i) | |
1123 | { | |
1124 | wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph); | |
1125 | wxASSERT( para != NULL ); | |
1126 | ||
1127 | finalPara = (wxRichTextParagraph*) para->Clone(); | |
1128 | ||
1129 | if (nextParagraph) | |
1130 | InsertChild(finalPara, nextParagraph); | |
1131 | else | |
1132 | AppendChild(finalPara); | |
7fe8059f | 1133 | |
5d7836c4 JS |
1134 | i = i->GetNext(); |
1135 | } | |
1136 | ||
1137 | // 4. Add back the remaining content. | |
1138 | if (finalPara) | |
1139 | { | |
1140 | finalPara->MoveFromList(savedObjects); | |
1141 | ||
1142 | // Ensure there's at least one object | |
1143 | if (finalPara->GetChildCount() == 0) | |
1144 | { | |
7fe8059f | 1145 | wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString); |
fe5aa22c | 1146 | #if !wxRICHTEXT_USE_DYNAMIC_STYLES |
5d7836c4 | 1147 | text->SetAttributes(finalPara->GetAttributes()); |
fe5aa22c | 1148 | #endif |
5d7836c4 JS |
1149 | |
1150 | finalPara->AppendChild(text); | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | return true; | |
1155 | } | |
1156 | } | |
1157 | else | |
1158 | { | |
1159 | // Append | |
1160 | wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst(); | |
1161 | while (i) | |
1162 | { | |
1163 | wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph); | |
1164 | wxASSERT( para != NULL ); | |
7fe8059f | 1165 | |
5d7836c4 | 1166 | AppendChild(para->Clone()); |
7fe8059f | 1167 | |
5d7836c4 JS |
1168 | i = i->GetNext(); |
1169 | } | |
1170 | ||
1171 | return true; | |
1172 | } | |
5d7836c4 JS |
1173 | } |
1174 | ||
1175 | /// Make a copy of the fragment corresponding to the given range, putting it in 'fragment'. | |
1176 | /// If there was an incomplete paragraph at the end, partialParagraph is set to true. | |
1177 | bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wxRichTextFragment& fragment) | |
1178 | { | |
1179 | wxRichTextObjectList::compatibility_iterator i = GetChildren().GetFirst(); | |
1180 | while (i) | |
1181 | { | |
1182 | wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph); | |
1183 | wxASSERT( para != NULL ); | |
1184 | ||
1185 | if (!para->GetRange().IsOutside(range)) | |
1186 | { | |
1187 | fragment.AppendChild(para->Clone()); | |
7fe8059f | 1188 | } |
5d7836c4 JS |
1189 | i = i->GetNext(); |
1190 | } | |
1191 | ||
1192 | // Now top and tail the first and last paragraphs in our new fragment (which might be the same). | |
1193 | if (!fragment.IsEmpty()) | |
1194 | { | |
1195 | wxRichTextRange topTailRange(range); | |
1196 | ||
1197 | wxRichTextParagraph* firstPara = wxDynamicCast(fragment.GetChildren().GetFirst()->GetData(), wxRichTextParagraph); | |
1198 | wxASSERT( firstPara != NULL ); | |
1199 | ||
1200 | // Chop off the start of the paragraph | |
1201 | if (topTailRange.GetStart() > firstPara->GetRange().GetStart()) | |
1202 | { | |
1203 | wxRichTextRange r(firstPara->GetRange().GetStart(), topTailRange.GetStart()-1); | |
1204 | firstPara->DeleteRange(r); | |
1205 | ||
1206 | // Make sure the numbering is correct | |
1207 | long end; | |
1208 | fragment.CalculateRange(firstPara->GetRange().GetStart(), end); | |
1209 | ||
1210 | // Now, we've deleted some positions, so adjust the range | |
1211 | // accordingly. | |
1212 | topTailRange.SetEnd(topTailRange.GetEnd() - r.GetLength()); | |
1213 | } | |
1214 | ||
1215 | wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph); | |
1216 | wxASSERT( lastPara != NULL ); | |
1217 | ||
1218 | if (topTailRange.GetEnd() < (lastPara->GetRange().GetEnd()-1)) | |
1219 | { | |
1220 | wxRichTextRange r(topTailRange.GetEnd()+1, lastPara->GetRange().GetEnd()-1); /* -1 since actual text ends 1 position before end of para marker */ | |
1221 | lastPara->DeleteRange(r); | |
1222 | ||
1223 | // Make sure the numbering is correct | |
1224 | long end; | |
1225 | fragment.CalculateRange(firstPara->GetRange().GetStart(), end); | |
1226 | ||
1227 | // We only have part of a paragraph at the end | |
1228 | fragment.SetPartialParagraph(true); | |
1229 | } | |
1230 | else | |
1231 | { | |
1232 | if (topTailRange.GetEnd() == (lastPara->GetRange().GetEnd() - 1)) | |
1233 | // We have a partial paragraph (don't save last new paragraph marker) | |
1234 | fragment.SetPartialParagraph(true); | |
1235 | else | |
1236 | // We have a complete paragraph | |
1237 | fragment.SetPartialParagraph(false); | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | return true; | |
1242 | } | |
1243 | ||
1244 | /// Given a position, get the number of the visible line (potentially many to a paragraph), | |
1245 | /// starting from zero at the start of the buffer. | |
1246 | long wxRichTextParagraphLayoutBox::GetVisibleLineNumber(long pos, bool caretPosition, bool startOfLine) const | |
1247 | { | |
1248 | if (caretPosition) | |
1249 | pos ++; | |
1250 | ||
1251 | int lineCount = 0; | |
1252 | ||
1253 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1254 | while (node) | |
1255 | { | |
1256 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1257 | wxASSERT( child != NULL ); | |
1258 | ||
1259 | if (child->GetRange().Contains(pos)) | |
1260 | { | |
1261 | wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst(); | |
1262 | while (node2) | |
1263 | { | |
1264 | wxRichTextLine* line = node2->GetData(); | |
1e967276 | 1265 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
7fe8059f | 1266 | |
1e967276 | 1267 | if (lineRange.Contains(pos)) |
5d7836c4 JS |
1268 | { |
1269 | // If the caret is displayed at the end of the previous wrapped line, | |
1270 | // we want to return the line it's _displayed_ at (not the actual line | |
1271 | // containing the position). | |
1e967276 | 1272 | if (lineRange.GetStart() == pos && !startOfLine && child->GetRange().GetStart() != pos) |
5d7836c4 JS |
1273 | return lineCount - 1; |
1274 | else | |
1275 | return lineCount; | |
1276 | } | |
1277 | ||
1278 | lineCount ++; | |
7fe8059f | 1279 | |
5d7836c4 JS |
1280 | node2 = node2->GetNext(); |
1281 | } | |
1282 | // If we didn't find it in the lines, it must be | |
1283 | // the last position of the paragraph. So return the last line. | |
1284 | return lineCount-1; | |
1285 | } | |
1286 | else | |
1287 | lineCount += child->GetLines().GetCount(); | |
1288 | ||
1289 | node = node->GetNext(); | |
1290 | } | |
1291 | ||
1292 | // Not found | |
1293 | return -1; | |
1294 | } | |
1295 | ||
1296 | /// Given a line number, get the corresponding wxRichTextLine object. | |
1297 | wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineForVisibleLineNumber(long lineNumber) const | |
1298 | { | |
1299 | int lineCount = 0; | |
1300 | ||
1301 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1302 | while (node) | |
1303 | { | |
1304 | wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1305 | wxASSERT(child != NULL); | |
1306 | ||
1307 | if (lineNumber < (int) (child->GetLines().GetCount() + lineCount)) | |
1308 | { | |
1309 | wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst(); | |
1310 | while (node2) | |
1311 | { | |
1312 | wxRichTextLine* line = node2->GetData(); | |
7fe8059f | 1313 | |
5d7836c4 JS |
1314 | if (lineCount == lineNumber) |
1315 | return line; | |
1316 | ||
1317 | lineCount ++; | |
7fe8059f | 1318 | |
5d7836c4 | 1319 | node2 = node2->GetNext(); |
7fe8059f | 1320 | } |
5d7836c4 JS |
1321 | } |
1322 | else | |
1323 | lineCount += child->GetLines().GetCount(); | |
1324 | ||
1325 | node = node->GetNext(); | |
1326 | } | |
1327 | ||
1328 | // Didn't find it | |
1329 | return NULL; | |
1330 | } | |
1331 | ||
1332 | /// Delete range from layout. | |
1333 | bool wxRichTextParagraphLayoutBox::DeleteRange(const wxRichTextRange& range) | |
1334 | { | |
1335 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
7fe8059f | 1336 | |
5d7836c4 JS |
1337 | while (node) |
1338 | { | |
1339 | wxRichTextParagraph* obj = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1340 | wxASSERT (obj != NULL); | |
1341 | ||
1342 | wxRichTextObjectList::compatibility_iterator next = node->GetNext(); | |
7fe8059f | 1343 | |
5d7836c4 JS |
1344 | // Delete the range in each paragraph |
1345 | ||
1346 | if (!obj->GetRange().IsOutside(range)) | |
1347 | { | |
1348 | // Deletes the content of this object within the given range | |
1349 | obj->DeleteRange(range); | |
1350 | ||
1351 | // If the whole paragraph is within the range to delete, | |
1352 | // delete the whole thing. | |
1353 | if (range.GetStart() <= obj->GetRange().GetStart() && range.GetEnd() >= obj->GetRange().GetEnd()) | |
1354 | { | |
1355 | // Delete the whole object | |
1356 | RemoveChild(obj, true); | |
1357 | } | |
1358 | // If the range includes the paragraph end, we need to join this | |
1359 | // and the next paragraph. | |
1360 | else if (range.Contains(obj->GetRange().GetEnd())) | |
1361 | { | |
1362 | // We need to move the objects from the next paragraph | |
1363 | // to this paragraph | |
1364 | ||
1365 | if (next) | |
1366 | { | |
1367 | wxRichTextParagraph* nextParagraph = wxDynamicCast(next->GetData(), wxRichTextParagraph); | |
1368 | next = next->GetNext(); | |
1369 | if (nextParagraph) | |
1370 | { | |
1371 | // Delete the stuff we need to delete | |
1372 | nextParagraph->DeleteRange(range); | |
1373 | ||
1374 | // Move the objects to the previous para | |
1375 | wxRichTextObjectList::compatibility_iterator node1 = nextParagraph->GetChildren().GetFirst(); | |
1376 | ||
1377 | while (node1) | |
1378 | { | |
1379 | wxRichTextObject* obj1 = node1->GetData(); | |
1380 | ||
1381 | // If the object is empty, optimise it out | |
1382 | if (obj1->IsEmpty()) | |
1383 | { | |
1384 | delete obj1; | |
1385 | } | |
1386 | else | |
1387 | { | |
1388 | obj->AppendChild(obj1); | |
1389 | } | |
1390 | ||
1391 | wxRichTextObjectList::compatibility_iterator next1 = node1->GetNext(); | |
9e31a660 | 1392 | nextParagraph->GetChildren().Erase(node1); |
5d7836c4 JS |
1393 | |
1394 | node1 = next1; | |
1395 | } | |
1396 | ||
1397 | // Delete the paragraph | |
1398 | RemoveChild(nextParagraph, true); | |
1399 | ||
1400 | } | |
7fe8059f | 1401 | } |
5d7836c4 JS |
1402 | |
1403 | } | |
1404 | } | |
7fe8059f | 1405 | |
5d7836c4 JS |
1406 | node = next; |
1407 | } | |
7fe8059f | 1408 | |
5d7836c4 JS |
1409 | return true; |
1410 | } | |
1411 | ||
1412 | /// Get any text in this object for the given range | |
1413 | wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& range) const | |
1414 | { | |
1415 | int lineCount = 0; | |
1416 | wxString text; | |
1417 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1418 | while (node) | |
1419 | { | |
1420 | wxRichTextObject* child = node->GetData(); | |
1421 | if (!child->GetRange().IsOutside(range)) | |
1422 | { | |
fe5aa22c JS |
1423 | // if (lineCount > 0) |
1424 | // text += wxT("\n"); | |
5d7836c4 JS |
1425 | wxRichTextRange childRange = range; |
1426 | childRange.LimitTo(child->GetRange()); | |
7fe8059f | 1427 | |
5d7836c4 | 1428 | wxString childText = child->GetTextForRange(childRange); |
7fe8059f | 1429 | |
5d7836c4 JS |
1430 | text += childText; |
1431 | ||
fe5aa22c JS |
1432 | if (childRange.GetEnd() == child->GetRange().GetEnd()) |
1433 | text += wxT("\n"); | |
1434 | ||
5d7836c4 JS |
1435 | lineCount ++; |
1436 | } | |
1437 | node = node->GetNext(); | |
1438 | } | |
1439 | ||
1440 | return text; | |
1441 | } | |
1442 | ||
1443 | /// Get all the text | |
1444 | wxString wxRichTextParagraphLayoutBox::GetText() const | |
1445 | { | |
1446 | return GetTextForRange(GetRange()); | |
1447 | } | |
1448 | ||
1449 | /// Get the paragraph by number | |
1450 | wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtLine(long paragraphNumber) const | |
1451 | { | |
27e20452 | 1452 | if ((size_t) paragraphNumber >= GetChildCount()) |
5d7836c4 JS |
1453 | return NULL; |
1454 | ||
1455 | return (wxRichTextParagraph*) GetChild((size_t) paragraphNumber); | |
1456 | } | |
1457 | ||
1458 | /// Get the length of the paragraph | |
1459 | int wxRichTextParagraphLayoutBox::GetParagraphLength(long paragraphNumber) const | |
1460 | { | |
1461 | wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber); | |
1462 | if (para) | |
1463 | return para->GetRange().GetLength() - 1; // don't include newline | |
1464 | else | |
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | /// Get the text of the paragraph | |
1469 | wxString wxRichTextParagraphLayoutBox::GetParagraphText(long paragraphNumber) const | |
1470 | { | |
1471 | wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber); | |
1472 | if (para) | |
1473 | return para->GetTextForRange(para->GetRange()); | |
1474 | else | |
1475 | return wxEmptyString; | |
1476 | } | |
1477 | ||
1478 | /// Convert zero-based line column and paragraph number to a position. | |
1479 | long wxRichTextParagraphLayoutBox::XYToPosition(long x, long y) const | |
1480 | { | |
1481 | wxRichTextParagraph* para = GetParagraphAtLine(y); | |
1482 | if (para) | |
1483 | { | |
1484 | return para->GetRange().GetStart() + x; | |
1485 | } | |
1486 | else | |
1487 | return -1; | |
1488 | } | |
1489 | ||
1490 | /// Convert zero-based position to line column and paragraph number | |
1491 | bool wxRichTextParagraphLayoutBox::PositionToXY(long pos, long* x, long* y) const | |
1492 | { | |
1493 | wxRichTextParagraph* para = GetParagraphAtPosition(pos); | |
1494 | if (para) | |
1495 | { | |
1496 | int count = 0; | |
1497 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1498 | while (node) | |
1499 | { | |
1500 | wxRichTextObject* child = node->GetData(); | |
1501 | if (child == para) | |
1502 | break; | |
1503 | count ++; | |
1504 | node = node->GetNext(); | |
1505 | } | |
1506 | ||
1507 | *y = count; | |
1508 | *x = pos - para->GetRange().GetStart(); | |
1509 | ||
1510 | return true; | |
1511 | } | |
1512 | else | |
1513 | return false; | |
1514 | } | |
1515 | ||
1516 | /// Get the leaf object in a paragraph at this position. | |
1517 | /// Given a line number, get the corresponding wxRichTextLine object. | |
1518 | wxRichTextObject* wxRichTextParagraphLayoutBox::GetLeafObjectAtPosition(long position) const | |
1519 | { | |
1520 | wxRichTextParagraph* para = GetParagraphAtPosition(position); | |
1521 | if (para) | |
1522 | { | |
1523 | wxRichTextObjectList::compatibility_iterator node = para->GetChildren().GetFirst(); | |
7fe8059f | 1524 | |
5d7836c4 JS |
1525 | while (node) |
1526 | { | |
1527 | wxRichTextObject* child = node->GetData(); | |
1528 | if (child->GetRange().Contains(position)) | |
1529 | return child; | |
7fe8059f | 1530 | |
5d7836c4 JS |
1531 | node = node->GetNext(); |
1532 | } | |
1533 | if (position == para->GetRange().GetEnd() && para->GetChildCount() > 0) | |
1534 | return para->GetChildren().GetLast()->GetData(); | |
1535 | } | |
1536 | return NULL; | |
1537 | } | |
1538 | ||
1539 | /// Set character or paragraph text attributes: apply character styles only to immediate text nodes | |
1540 | bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style, bool withUndo) | |
1541 | { | |
1542 | bool characterStyle = false; | |
1543 | bool paragraphStyle = false; | |
1544 | ||
1545 | if (style.IsCharacterStyle()) | |
1546 | characterStyle = true; | |
1547 | if (style.IsParagraphStyle()) | |
1548 | paragraphStyle = true; | |
1549 | ||
1550 | // If we are associated with a control, make undoable; otherwise, apply immediately | |
1551 | // to the data. | |
1552 | ||
1553 | bool haveControl = (GetRichTextCtrl() != NULL); | |
1554 | ||
1555 | wxRichTextAction* action = NULL; | |
7fe8059f | 1556 | |
5d7836c4 JS |
1557 | if (haveControl && withUndo) |
1558 | { | |
1559 | action = new wxRichTextAction(NULL, _("Change Style"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl()); | |
1560 | action->SetRange(range); | |
1561 | action->SetPosition(GetRichTextCtrl()->GetCaretPosition()); | |
1562 | } | |
1563 | ||
1564 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1565 | while (node) | |
1566 | { | |
1567 | wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1568 | wxASSERT (para != NULL); | |
1569 | ||
1570 | if (para && para->GetChildCount() > 0) | |
1571 | { | |
1572 | // Stop searching if we're beyond the range of interest | |
1573 | if (para->GetRange().GetStart() > range.GetEnd()) | |
1574 | break; | |
1575 | ||
1576 | if (!para->GetRange().IsOutside(range)) | |
1577 | { | |
1578 | // We'll be using a copy of the paragraph to make style changes, | |
1579 | // not updating the buffer directly. | |
4e09ebe8 | 1580 | wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL); |
7fe8059f | 1581 | |
5d7836c4 JS |
1582 | if (haveControl && withUndo) |
1583 | { | |
1584 | newPara = new wxRichTextParagraph(*para); | |
1585 | action->GetNewParagraphs().AppendChild(newPara); | |
1586 | ||
1587 | // Also store the old ones for Undo | |
1588 | action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para)); | |
1589 | } | |
1590 | else | |
1591 | newPara = para; | |
1592 | ||
1593 | if (paragraphStyle) | |
1594 | wxRichTextApplyStyle(newPara->GetAttributes(), style); | |
1595 | ||
fe5aa22c JS |
1596 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
1597 | // If applying paragraph styles dynamically, don't change the text objects' attributes | |
1598 | // since they will computed as needed. Only apply the character styling if it's _only_ | |
1599 | // character styling. This policy is subject to change and might be put under user control. | |
1600 | ||
1601 | if (!paragraphStyle && characterStyle && range.GetStart() != newPara->GetRange().GetEnd()) | |
1602 | #else | |
5d7836c4 | 1603 | if (characterStyle && range.GetStart() != newPara->GetRange().GetEnd()) |
fe5aa22c | 1604 | #endif |
5d7836c4 JS |
1605 | { |
1606 | wxRichTextRange childRange(range); | |
1607 | childRange.LimitTo(newPara->GetRange()); | |
7fe8059f | 1608 | |
5d7836c4 JS |
1609 | // Find the starting position and if necessary split it so |
1610 | // we can start applying a different style. | |
1611 | // TODO: check that the style actually changes or is different | |
1612 | // from style outside of range | |
4e09ebe8 JS |
1613 | wxRichTextObject* firstObject wxDUMMY_INITIALIZE(NULL); |
1614 | wxRichTextObject* lastObject wxDUMMY_INITIALIZE(NULL); | |
7fe8059f | 1615 | |
5d7836c4 JS |
1616 | if (childRange.GetStart() == newPara->GetRange().GetStart()) |
1617 | firstObject = newPara->GetChildren().GetFirst()->GetData(); | |
1618 | else | |
1619 | firstObject = newPara->SplitAt(range.GetStart()); | |
7fe8059f | 1620 | |
5d7836c4 JS |
1621 | // Increment by 1 because we're apply the style one _after_ the split point |
1622 | long splitPoint = childRange.GetEnd(); | |
1623 | if (splitPoint != newPara->GetRange().GetEnd()) | |
1624 | splitPoint ++; | |
7fe8059f | 1625 | |
5d7836c4 JS |
1626 | // Find last object |
1627 | if (splitPoint == newPara->GetRange().GetEnd() || splitPoint == (newPara->GetRange().GetEnd() - 1)) | |
1628 | lastObject = newPara->GetChildren().GetLast()->GetData(); | |
1629 | else | |
1630 | // lastObject is set as a side-effect of splitting. It's | |
1631 | // returned as the object before the new object. | |
1632 | (void) newPara->SplitAt(splitPoint, & lastObject); | |
7fe8059f | 1633 | |
5d7836c4 JS |
1634 | wxASSERT(firstObject != NULL); |
1635 | wxASSERT(lastObject != NULL); | |
7fe8059f | 1636 | |
5d7836c4 JS |
1637 | if (!firstObject || !lastObject) |
1638 | continue; | |
7fe8059f | 1639 | |
5d7836c4 JS |
1640 | wxRichTextObjectList::compatibility_iterator firstNode = newPara->GetChildren().Find(firstObject); |
1641 | wxRichTextObjectList::compatibility_iterator lastNode = newPara->GetChildren().Find(lastObject); | |
7fe8059f | 1642 | |
4c9847e1 MW |
1643 | wxASSERT(firstNode); |
1644 | wxASSERT(lastNode); | |
7fe8059f | 1645 | |
5d7836c4 | 1646 | wxRichTextObjectList::compatibility_iterator node2 = firstNode; |
7fe8059f | 1647 | |
5d7836c4 JS |
1648 | while (node2) |
1649 | { | |
1650 | wxRichTextObject* child = node2->GetData(); | |
7fe8059f | 1651 | |
5d7836c4 JS |
1652 | wxRichTextApplyStyle(child->GetAttributes(), style); |
1653 | if (node2 == lastNode) | |
1654 | break; | |
7fe8059f | 1655 | |
5d7836c4 JS |
1656 | node2 = node2->GetNext(); |
1657 | } | |
1658 | } | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | node = node->GetNext(); | |
1663 | } | |
1664 | ||
1665 | // Do action, or delay it until end of batch. | |
1666 | if (haveControl && withUndo) | |
1667 | GetRichTextCtrl()->GetBuffer().SubmitAction(action); | |
1668 | ||
1669 | return true; | |
1670 | } | |
1671 | ||
1672 | /// Set text attributes | |
1673 | bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxTextAttrEx& style, bool withUndo) | |
1674 | { | |
1675 | wxRichTextAttr richStyle = style; | |
1676 | return SetStyle(range, richStyle, withUndo); | |
1677 | } | |
1678 | ||
1679 | /// Get the text attributes for this position. | |
3966a9f4 | 1680 | bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxTextAttrEx& style) |
5d7836c4 | 1681 | { |
fe5aa22c JS |
1682 | return DoGetStyle(position, style, true); |
1683 | } | |
e191ee87 | 1684 | |
fe5aa22c JS |
1685 | /// Get the text attributes for this position. |
1686 | bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style) | |
1687 | { | |
1688 | wxTextAttrEx textAttrEx(style); | |
1689 | if (GetStyle(position, textAttrEx)) | |
1690 | { | |
1691 | style = textAttrEx; | |
1692 | return true; | |
1693 | } | |
5d7836c4 | 1694 | else |
fe5aa22c JS |
1695 | return false; |
1696 | } | |
e191ee87 | 1697 | |
fe5aa22c JS |
1698 | /// Get the content (uncombined) attributes for this position. |
1699 | bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxTextAttrEx& style) | |
1700 | { | |
1701 | return DoGetStyle(position, style, false); | |
1702 | } | |
1703 | ||
1704 | bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxRichTextAttr& style) | |
1705 | { | |
1706 | wxTextAttrEx textAttrEx(style); | |
1707 | if (GetUncombinedStyle(position, textAttrEx)) | |
5d7836c4 | 1708 | { |
fe5aa22c | 1709 | style = textAttrEx; |
5d7836c4 JS |
1710 | return true; |
1711 | } | |
1712 | else | |
1713 | return false; | |
1714 | } | |
1715 | ||
fe5aa22c JS |
1716 | /// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and |
1717 | /// context attributes. | |
1718 | bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxTextAttrEx& style, bool combineStyles) | |
5d7836c4 | 1719 | { |
4e09ebe8 | 1720 | wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL); |
e191ee87 | 1721 | |
5d7836c4 | 1722 | if (style.IsParagraphStyle()) |
fe5aa22c | 1723 | { |
5d7836c4 | 1724 | obj = GetParagraphAtPosition(position); |
fe5aa22c JS |
1725 | if (obj) |
1726 | { | |
1727 | #if wxRICHTEXT_USE_DYNAMIC_STYLES | |
1728 | if (combineStyles) | |
1729 | { | |
1730 | // Start with the base style | |
1731 | style = GetAttributes(); | |
e191ee87 | 1732 | |
fe5aa22c JS |
1733 | // Apply the paragraph style |
1734 | wxRichTextApplyStyle(style, obj->GetAttributes()); | |
1735 | } | |
1736 | else | |
1737 | style = obj->GetAttributes(); | |
1738 | #else | |
1739 | style = obj->GetAttributes(); | |
1740 | #endif | |
1741 | return true; | |
1742 | } | |
1743 | else | |
1744 | return false; | |
5d7836c4 JS |
1745 | } |
1746 | else | |
fe5aa22c JS |
1747 | { |
1748 | obj = GetLeafObjectAtPosition(position); | |
1749 | if (obj) | |
1750 | { | |
1751 | #if wxRICHTEXT_USE_DYNAMIC_STYLES | |
1752 | if (combineStyles) | |
1753 | { | |
1754 | wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph); | |
1755 | style = para ? para->GetCombinedAttributes(obj->GetAttributes()) : obj->GetAttributes(); | |
1756 | } | |
1757 | else | |
1758 | style = obj->GetAttributes(); | |
1759 | #else | |
1760 | style = obj->GetAttributes(); | |
1761 | #endif | |
1762 | return true; | |
1763 | } | |
1764 | else | |
1765 | return false; | |
1766 | } | |
1767 | return false; | |
5d7836c4 JS |
1768 | } |
1769 | ||
1770 | /// Set default style | |
1771 | bool wxRichTextParagraphLayoutBox::SetDefaultStyle(const wxTextAttrEx& style) | |
1772 | { | |
fe5aa22c JS |
1773 | // I don't think the default style should be combined with the previous |
1774 | // default style. | |
1775 | m_defaultAttributes = style; | |
1776 | ||
1777 | #if 0 | |
05b4fddf JS |
1778 | // keep the old attributes if the new style doesn't specify them unless the |
1779 | // new style is empty - then reset m_defaultStyle (as there is no other way | |
1780 | // to do it) | |
1781 | if ( style.IsDefault() ) | |
1782 | m_defaultAttributes = style; | |
1783 | else | |
1784 | m_defaultAttributes = wxTextAttrEx::CombineEx(style, m_defaultAttributes, NULL); | |
fe5aa22c | 1785 | #endif |
5d7836c4 JS |
1786 | return true; |
1787 | } | |
1788 | ||
1789 | /// Test if this whole range has character attributes of the specified kind. If any | |
1790 | /// of the attributes are different within the range, the test fails. You | |
1791 | /// can use this to implement, for example, bold button updating. style must have | |
1792 | /// flags indicating which attributes are of interest. | |
1793 | bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const | |
1794 | { | |
1795 | int foundCount = 0; | |
1796 | int matchingCount = 0; | |
1797 | ||
1798 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1799 | while (node) | |
1800 | { | |
1801 | wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1802 | wxASSERT (para != NULL); | |
1803 | ||
1804 | if (para) | |
1805 | { | |
1806 | // Stop searching if we're beyond the range of interest | |
1807 | if (para->GetRange().GetStart() > range.GetEnd()) | |
1808 | return foundCount == matchingCount; | |
1809 | ||
1810 | if (!para->GetRange().IsOutside(range)) | |
1811 | { | |
1812 | wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst(); | |
1813 | ||
1814 | while (node2) | |
1815 | { | |
1816 | wxRichTextObject* child = node2->GetData(); | |
1817 | if (!child->GetRange().IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText))) | |
1818 | { | |
1819 | foundCount ++; | |
fe5aa22c JS |
1820 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
1821 | wxTextAttrEx textAttr = para->GetCombinedAttributes(child->GetAttributes()); | |
1822 | #else | |
1823 | const wxTextAttrEx& textAttr = child->GetAttributes(); | |
1824 | #endif | |
1825 | if (wxTextAttrEqPartial(textAttr, style, style.GetFlags())) | |
5d7836c4 JS |
1826 | matchingCount ++; |
1827 | } | |
1828 | ||
1829 | node2 = node2->GetNext(); | |
1830 | } | |
1831 | } | |
1832 | } | |
1833 | ||
1834 | node = node->GetNext(); | |
1835 | } | |
1836 | ||
1837 | return foundCount == matchingCount; | |
1838 | } | |
1839 | ||
1840 | bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const | |
1841 | { | |
1842 | wxRichTextAttr richStyle = style; | |
1843 | return HasCharacterAttributes(range, richStyle); | |
1844 | } | |
1845 | ||
1846 | /// Test if this whole range has paragraph attributes of the specified kind. If any | |
1847 | /// of the attributes are different within the range, the test fails. You | |
1848 | /// can use this to implement, for example, centering button updating. style must have | |
1849 | /// flags indicating which attributes are of interest. | |
1850 | bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const | |
1851 | { | |
1852 | int foundCount = 0; | |
1853 | int matchingCount = 0; | |
1854 | ||
1855 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1856 | while (node) | |
1857 | { | |
1858 | wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1859 | wxASSERT (para != NULL); | |
1860 | ||
1861 | if (para) | |
1862 | { | |
1863 | // Stop searching if we're beyond the range of interest | |
1864 | if (para->GetRange().GetStart() > range.GetEnd()) | |
1865 | return foundCount == matchingCount; | |
1866 | ||
1867 | if (!para->GetRange().IsOutside(range)) | |
1868 | { | |
fe5aa22c JS |
1869 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
1870 | wxTextAttrEx textAttr = GetAttributes(); | |
1871 | // Apply the paragraph style | |
1872 | wxRichTextApplyStyle(textAttr, para->GetAttributes()); | |
1873 | ||
1874 | #else | |
1875 | const wxTextAttrEx& textAttr = para->GetAttributes(); | |
1876 | #endif | |
5d7836c4 | 1877 | foundCount ++; |
fe5aa22c | 1878 | if (wxTextAttrEqPartial(textAttr, style, style.GetFlags())) |
5d7836c4 JS |
1879 | matchingCount ++; |
1880 | } | |
1881 | } | |
1882 | ||
1883 | node = node->GetNext(); | |
1884 | } | |
1885 | return foundCount == matchingCount; | |
1886 | } | |
1887 | ||
1888 | bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const | |
1889 | { | |
1890 | wxRichTextAttr richStyle = style; | |
1891 | return HasParagraphAttributes(range, richStyle); | |
1892 | } | |
1893 | ||
1894 | void wxRichTextParagraphLayoutBox::Clear() | |
1895 | { | |
1896 | DeleteChildren(); | |
1897 | } | |
1898 | ||
1899 | void wxRichTextParagraphLayoutBox::Reset() | |
1900 | { | |
1901 | Clear(); | |
1902 | ||
7fe8059f | 1903 | AddParagraph(wxEmptyString); |
5d7836c4 JS |
1904 | } |
1905 | ||
38113684 JS |
1906 | /// Invalidate the buffer. With no argument, invalidates whole buffer. |
1907 | void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange) | |
1908 | { | |
1909 | SetDirty(true); | |
39a1c2f2 | 1910 | |
1e967276 | 1911 | if (invalidRange == wxRICHTEXT_ALL) |
38113684 | 1912 | { |
1e967276 | 1913 | m_invalidRange = wxRICHTEXT_ALL; |
38113684 JS |
1914 | return; |
1915 | } | |
1e967276 JS |
1916 | |
1917 | // Already invalidating everything | |
1918 | if (m_invalidRange == wxRICHTEXT_ALL) | |
1919 | return; | |
39a1c2f2 | 1920 | |
1e967276 | 1921 | if ((invalidRange.GetStart() < m_invalidRange.GetStart()) || m_invalidRange.GetStart() == -1) |
38113684 JS |
1922 | m_invalidRange.SetStart(invalidRange.GetStart()); |
1923 | if (invalidRange.GetEnd() > m_invalidRange.GetEnd()) | |
1924 | m_invalidRange.SetEnd(invalidRange.GetEnd()); | |
1925 | } | |
1926 | ||
1927 | /// Get invalid range, rounding to entire paragraphs if argument is true. | |
1928 | wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const | |
1929 | { | |
1e967276 | 1930 | if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE) |
38113684 | 1931 | return m_invalidRange; |
39a1c2f2 | 1932 | |
38113684 | 1933 | wxRichTextRange range = m_invalidRange; |
39a1c2f2 | 1934 | |
38113684 JS |
1935 | if (wholeParagraphs) |
1936 | { | |
1937 | wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart()); | |
1938 | wxRichTextParagraph* para2 = GetParagraphAtPosition(range.GetEnd()); | |
1939 | if (para1) | |
1940 | range.SetStart(para1->GetRange().GetStart()); | |
1941 | if (para2) | |
1942 | range.SetEnd(para2->GetRange().GetEnd()); | |
1943 | } | |
1944 | return range; | |
1945 | } | |
1946 | ||
fe5aa22c JS |
1947 | /// Apply the style sheet to the buffer, for example if the styles have changed. |
1948 | bool wxRichTextParagraphLayoutBox::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet) | |
1949 | { | |
1950 | wxASSERT(styleSheet != NULL); | |
1951 | if (!styleSheet) | |
1952 | return false; | |
1953 | ||
1954 | int foundCount = 0; | |
1955 | ||
1956 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
1957 | while (node) | |
1958 | { | |
1959 | wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
1960 | wxASSERT (para != NULL); | |
1961 | ||
1962 | if (para) | |
1963 | { | |
1964 | if (!para->GetAttributes().GetParagraphStyleName().IsEmpty()) | |
1965 | { | |
1966 | wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName()); | |
1967 | if (def) | |
1968 | { | |
1969 | para->GetAttributes() = def->GetStyle(); | |
1970 | foundCount ++; | |
1971 | } | |
1972 | } | |
1973 | } | |
1974 | ||
1975 | node = node->GetNext(); | |
1976 | } | |
1977 | return foundCount != 0; | |
1978 | } | |
1979 | ||
1980 | ||
5d7836c4 JS |
1981 | /*! |
1982 | * wxRichTextFragment class declaration | |
1983 | * This is a lind of paragraph layout box used for storing | |
1984 | * paragraphs for Undo/Redo, for example. | |
1985 | */ | |
1986 | ||
1987 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextFragment, wxRichTextParagraphLayoutBox) | |
1988 | ||
1989 | /// Initialise | |
1990 | void wxRichTextFragment::Init() | |
1991 | { | |
1992 | m_partialParagraph = false; | |
1993 | } | |
1994 | ||
1995 | /// Copy | |
1996 | void wxRichTextFragment::Copy(const wxRichTextFragment& obj) | |
1997 | { | |
1998 | wxRichTextParagraphLayoutBox::Copy(obj); | |
1999 | ||
2000 | m_partialParagraph = obj.m_partialParagraph; | |
2001 | } | |
2002 | ||
2003 | /*! | |
2004 | * wxRichTextParagraph | |
2005 | * This object represents a single paragraph (or in a straight text editor, a line). | |
2006 | */ | |
2007 | ||
2008 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraph, wxRichTextBox) | |
2009 | ||
2010 | wxRichTextParagraph::wxRichTextParagraph(wxRichTextObject* parent, wxTextAttrEx* style): | |
2011 | wxRichTextBox(parent) | |
2012 | { | |
2013 | if (parent && !style) | |
2014 | SetAttributes(parent->GetAttributes()); | |
2015 | if (style) | |
2016 | SetAttributes(*style); | |
2017 | } | |
2018 | ||
2019 | wxRichTextParagraph::wxRichTextParagraph(const wxString& text, wxRichTextObject* parent, wxTextAttrEx* style): | |
2020 | wxRichTextBox(parent) | |
2021 | { | |
2022 | if (parent && !style) | |
2023 | SetAttributes(parent->GetAttributes()); | |
2024 | if (style) | |
2025 | SetAttributes(*style); | |
2026 | ||
2027 | AppendChild(new wxRichTextPlainText(text, this)); | |
2028 | } | |
2029 | ||
2030 | wxRichTextParagraph::~wxRichTextParagraph() | |
2031 | { | |
2032 | ClearLines(); | |
2033 | } | |
2034 | ||
2035 | /// Draw the item | |
2036 | bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& WXUNUSED(range), const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int WXUNUSED(descent), int style) | |
2037 | { | |
fe5aa22c JS |
2038 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
2039 | wxTextAttrEx attr = GetCombinedAttributes(); | |
2040 | #else | |
2041 | const wxTextAttrEx& attr = GetAttributes(); | |
2042 | #endif | |
2043 | ||
5d7836c4 | 2044 | // Draw the bullet, if any |
fe5aa22c | 2045 | if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE) |
5d7836c4 | 2046 | { |
fe5aa22c | 2047 | if (attr.GetLeftSubIndent() != 0) |
5d7836c4 | 2048 | { |
fe5aa22c JS |
2049 | int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore()); |
2050 | // int spaceAfterPara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingAfter()); | |
2051 | int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent()); | |
2052 | // int leftSubIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftSubIndent()); | |
2053 | // int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent()); | |
5d7836c4 | 2054 | |
fe5aa22c | 2055 | if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP) |
5d7836c4 JS |
2056 | { |
2057 | // TODO | |
2058 | } | |
2059 | else | |
2060 | { | |
2061 | wxString bulletText = GetBulletText(); | |
7fe8059f | 2062 | if (!bulletText.empty()) |
5d7836c4 | 2063 | { |
fe5aa22c JS |
2064 | if (attr.GetFont().Ok()) |
2065 | dc.SetFont(attr.GetFont()); | |
7fe8059f | 2066 | |
fe5aa22c JS |
2067 | if (attr.GetTextColour().Ok()) |
2068 | dc.SetTextForeground(attr.GetTextColour()); | |
7fe8059f | 2069 | |
5d7836c4 | 2070 | dc.SetBackgroundMode(wxTRANSPARENT); |
7fe8059f | 2071 | |
5d7836c4 JS |
2072 | // Get line height from first line, if any |
2073 | wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : (wxRichTextLine*) NULL; | |
7fe8059f | 2074 | |
5d7836c4 | 2075 | wxPoint linePos; |
4e09ebe8 | 2076 | int lineHeight wxDUMMY_INITIALIZE(0); |
5d7836c4 JS |
2077 | if (line) |
2078 | { | |
2079 | lineHeight = line->GetSize().y; | |
2080 | linePos = line->GetPosition() + GetPosition(); | |
2081 | } | |
2082 | else | |
2083 | { | |
2084 | lineHeight = dc.GetCharHeight(); | |
2085 | linePos = GetPosition(); | |
2086 | linePos.y += spaceBeforePara; | |
2087 | } | |
7fe8059f | 2088 | |
5d7836c4 | 2089 | int charHeight = dc.GetCharHeight(); |
7fe8059f | 2090 | |
5d7836c4 JS |
2091 | int x = GetPosition().x + leftIndent; |
2092 | int y = linePos.y + (lineHeight - charHeight); | |
7fe8059f | 2093 | |
5d7836c4 JS |
2094 | dc.DrawText(bulletText, x, y); |
2095 | } | |
2096 | } | |
2097 | } | |
2098 | } | |
7fe8059f | 2099 | |
5d7836c4 JS |
2100 | // Draw the range for each line, one object at a time. |
2101 | ||
2102 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); | |
2103 | while (node) | |
2104 | { | |
2105 | wxRichTextLine* line = node->GetData(); | |
1e967276 | 2106 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
5d7836c4 JS |
2107 | |
2108 | int maxDescent = line->GetDescent(); | |
2109 | ||
2110 | // Lines are specified relative to the paragraph | |
2111 | ||
2112 | wxPoint linePosition = line->GetPosition() + GetPosition(); | |
2113 | wxPoint objectPosition = linePosition; | |
2114 | ||
2115 | // Loop through objects until we get to the one within range | |
2116 | wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); | |
2117 | while (node2) | |
2118 | { | |
2119 | wxRichTextObject* child = node2->GetData(); | |
1e967276 | 2120 | if (!child->GetRange().IsOutside(lineRange)) |
5d7836c4 JS |
2121 | { |
2122 | // Draw this part of the line at the correct position | |
2123 | wxRichTextRange objectRange(child->GetRange()); | |
1e967276 | 2124 | objectRange.LimitTo(lineRange); |
5d7836c4 JS |
2125 | |
2126 | wxSize objectSize; | |
2127 | int descent = 0; | |
7f0d9d71 | 2128 | child->GetRangeSize(objectRange, objectSize, descent, dc, wxRICHTEXT_UNFORMATTED, objectPosition); |
5d7836c4 JS |
2129 | |
2130 | // Use the child object's width, but the whole line's height | |
2131 | wxRect childRect(objectPosition, wxSize(objectSize.x, line->GetSize().y)); | |
2132 | child->Draw(dc, objectRange, selectionRange, childRect, maxDescent, style); | |
2133 | ||
2134 | objectPosition.x += objectSize.x; | |
2135 | } | |
1e967276 | 2136 | else if (child->GetRange().GetStart() > lineRange.GetEnd()) |
5d7836c4 JS |
2137 | // Can break out of inner loop now since we've passed this line's range |
2138 | break; | |
2139 | ||
2140 | node2 = node2->GetNext(); | |
2141 | } | |
2142 | ||
2143 | node = node->GetNext(); | |
7fe8059f | 2144 | } |
5d7836c4 JS |
2145 | |
2146 | return true; | |
2147 | } | |
2148 | ||
2149 | /// Lay the item out | |
38113684 | 2150 | bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style) |
5d7836c4 | 2151 | { |
fe5aa22c JS |
2152 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
2153 | wxTextAttrEx attr = GetCombinedAttributes(); | |
2154 | #else | |
2155 | const wxTextAttrEx& attr = GetAttributes(); | |
2156 | #endif | |
2157 | ||
169adfa9 JS |
2158 | // ClearLines(); |
2159 | ||
5d7836c4 | 2160 | // Increase the size of the paragraph due to spacing |
fe5aa22c JS |
2161 | int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore()); |
2162 | int spaceAfterPara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingAfter()); | |
2163 | int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent()); | |
2164 | int leftSubIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftSubIndent()); | |
2165 | int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent()); | |
5d7836c4 JS |
2166 | |
2167 | int lineSpacing = 0; | |
2168 | ||
2169 | // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc. | |
fe5aa22c | 2170 | if (attr.GetLineSpacing() > 10 && attr.GetFont().Ok()) |
5d7836c4 | 2171 | { |
fe5aa22c JS |
2172 | dc.SetFont(attr.GetFont()); |
2173 | lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10; | |
5d7836c4 JS |
2174 | } |
2175 | ||
2176 | // Available space for text on each line differs. | |
2177 | int availableTextSpaceFirstLine = rect.GetWidth() - leftIndent - rightIndent; | |
2178 | ||
2179 | // Bullets start the text at the same position as subsequent lines | |
fe5aa22c | 2180 | if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE) |
5d7836c4 JS |
2181 | availableTextSpaceFirstLine -= leftSubIndent; |
2182 | ||
2183 | int availableTextSpaceSubsequentLines = rect.GetWidth() - leftIndent - rightIndent - leftSubIndent; | |
2184 | ||
2185 | // Start position for each line relative to the paragraph | |
2186 | int startPositionFirstLine = leftIndent; | |
2187 | int startPositionSubsequentLines = leftIndent + leftSubIndent; | |
2188 | ||
2189 | // If we have a bullet in this paragraph, the start position for the first line's text | |
2190 | // is actually leftIndent + leftSubIndent. | |
fe5aa22c | 2191 | if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE) |
5d7836c4 JS |
2192 | startPositionFirstLine = startPositionSubsequentLines; |
2193 | ||
2194 | //bool restrictWidth = wxRichTextHasStyle(style, wxRICHTEXT_FIXED_WIDTH); | |
2195 | //bool restrictHeight = wxRichTextHasStyle(style, wxRICHTEXT_FIXED_HEIGHT); | |
2196 | ||
2197 | long lastEndPos = GetRange().GetStart()-1; | |
2198 | long lastCompletedEndPos = lastEndPos; | |
2199 | ||
2200 | int currentWidth = 0; | |
2201 | SetPosition(rect.GetPosition()); | |
2202 | ||
2203 | wxPoint currentPosition(0, spaceBeforePara); // We will calculate lines relative to paragraph | |
2204 | int lineHeight = 0; | |
2205 | int maxWidth = 0; | |
2206 | int maxDescent = 0; | |
2207 | ||
2208 | int lineCount = 0; | |
2209 | ||
2210 | // Split up lines | |
2211 | ||
2212 | // We may need to go back to a previous child, in which case create the new line, | |
2213 | // find the child corresponding to the start position of the string, and | |
2214 | // continue. | |
2215 | ||
2216 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2217 | while (node) | |
2218 | { | |
2219 | wxRichTextObject* child = node->GetData(); | |
2220 | ||
2221 | // If this is e.g. a composite text box, it will need to be laid out itself. | |
2222 | // But if just a text fragment or image, for example, this will | |
2223 | // do nothing. NB: won't we need to set the position after layout? | |
2224 | // since for example if position is dependent on vertical line size, we | |
2225 | // can't tell the position until the size is determined. So possibly introduce | |
2226 | // another layout phase. | |
2227 | ||
38113684 | 2228 | child->Layout(dc, rect, style); |
5d7836c4 JS |
2229 | |
2230 | // Available width depends on whether we're on the first or subsequent lines | |
2231 | int availableSpaceForText = (lineCount == 0 ? availableTextSpaceFirstLine : availableTextSpaceSubsequentLines); | |
2232 | ||
2233 | currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines); | |
2234 | ||
2235 | // We may only be looking at part of a child, if we searched back for wrapping | |
2236 | // and found a suitable point some way into the child. So get the size for the fragment | |
2237 | // if necessary. | |
2238 | ||
2239 | wxSize childSize; | |
2240 | int childDescent = 0; | |
2241 | if (lastEndPos == child->GetRange().GetStart() - 1) | |
2242 | { | |
2243 | childSize = child->GetCachedSize(); | |
2244 | childDescent = child->GetDescent(); | |
2245 | } | |
2246 | else | |
7f0d9d71 | 2247 | GetRangeSize(wxRichTextRange(lastEndPos+1, child->GetRange().GetEnd()), childSize, childDescent, dc, wxRICHTEXT_UNFORMATTED,rect.GetPosition()); |
5d7836c4 JS |
2248 | |
2249 | if (childSize.x + currentWidth > availableSpaceForText) | |
2250 | { | |
2251 | long wrapPosition = 0; | |
2252 | ||
2253 | // Find a place to wrap. This may walk back to previous children, | |
2254 | // for example if a word spans several objects. | |
2255 | if (!FindWrapPosition(wxRichTextRange(lastCompletedEndPos+1, child->GetRange().GetEnd()), dc, availableSpaceForText, wrapPosition)) | |
2256 | { | |
2257 | // If the function failed, just cut it off at the end of this child. | |
2258 | wrapPosition = child->GetRange().GetEnd(); | |
2259 | } | |
2260 | ||
2261 | // FindWrapPosition can still return a value that will put us in an endless wrapping loop | |
2262 | if (wrapPosition <= lastCompletedEndPos) | |
2263 | wrapPosition = wxMax(lastCompletedEndPos+1,child->GetRange().GetEnd()); | |
2264 | ||
2265 | // wxLogDebug(wxT("Split at %ld"), wrapPosition); | |
7fe8059f | 2266 | |
5d7836c4 JS |
2267 | // Let's find the actual size of the current line now |
2268 | wxSize actualSize; | |
2269 | wxRichTextRange actualRange(lastCompletedEndPos+1, wrapPosition); | |
2270 | GetRangeSize(actualRange, actualSize, childDescent, dc, wxRICHTEXT_UNFORMATTED); | |
2271 | currentWidth = actualSize.x; | |
2272 | lineHeight = wxMax(lineHeight, actualSize.y); | |
2273 | maxDescent = wxMax(childDescent, maxDescent); | |
7fe8059f | 2274 | |
5d7836c4 | 2275 | // Add a new line |
1e967276 | 2276 | wxRichTextLine* line = AllocateLine(lineCount); |
39a1c2f2 | 2277 | |
1e967276 JS |
2278 | // Set relative range so we won't have to change line ranges when paragraphs are moved |
2279 | line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart())); | |
5d7836c4 JS |
2280 | line->SetPosition(currentPosition); |
2281 | line->SetSize(wxSize(currentWidth, lineHeight)); | |
2282 | line->SetDescent(maxDescent); | |
2283 | ||
5d7836c4 JS |
2284 | // Now move down a line. TODO: add margins, spacing |
2285 | currentPosition.y += lineHeight; | |
2286 | currentPosition.y += lineSpacing; | |
2287 | currentWidth = 0; | |
2288 | maxDescent = 0; | |
7fe8059f WS |
2289 | maxWidth = wxMax(maxWidth, currentWidth); |
2290 | ||
5d7836c4 JS |
2291 | lineCount ++; |
2292 | ||
2293 | // TODO: account for zero-length objects, such as fields | |
2294 | wxASSERT(wrapPosition > lastCompletedEndPos); | |
7fe8059f | 2295 | |
5d7836c4 JS |
2296 | lastEndPos = wrapPosition; |
2297 | lastCompletedEndPos = lastEndPos; | |
2298 | ||
2299 | lineHeight = 0; | |
2300 | ||
2301 | // May need to set the node back to a previous one, due to searching back in wrapping | |
2302 | wxRichTextObject* childAfterWrapPosition = FindObjectAtPosition(wrapPosition+1); | |
2303 | if (childAfterWrapPosition) | |
2304 | node = m_children.Find(childAfterWrapPosition); | |
2305 | else | |
2306 | node = node->GetNext(); | |
2307 | } | |
2308 | else | |
2309 | { | |
2310 | // We still fit, so don't add a line, and keep going | |
2311 | currentWidth += childSize.x; | |
2312 | lineHeight = wxMax(lineHeight, childSize.y); | |
2313 | maxDescent = wxMax(childDescent, maxDescent); | |
2314 | ||
2315 | maxWidth = wxMax(maxWidth, currentWidth); | |
2316 | lastEndPos = child->GetRange().GetEnd(); | |
2317 | ||
2318 | node = node->GetNext(); | |
2319 | } | |
2320 | } | |
2321 | ||
2322 | // Add the last line - it's the current pos -> last para pos | |
2323 | // Substract -1 because the last position is always the end-paragraph position. | |
2324 | if (lastCompletedEndPos <= GetRange().GetEnd()-1) | |
2325 | { | |
2326 | currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines); | |
2327 | ||
1e967276 JS |
2328 | wxRichTextLine* line = AllocateLine(lineCount); |
2329 | ||
2330 | wxRichTextRange actualRange(lastCompletedEndPos+1, GetRange().GetEnd()-1); | |
2331 | ||
2332 | // Set relative range so we won't have to change line ranges when paragraphs are moved | |
2333 | line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart())); | |
7fe8059f | 2334 | |
5d7836c4 JS |
2335 | line->SetPosition(currentPosition); |
2336 | ||
2337 | if (lineHeight == 0) | |
2338 | { | |
fe5aa22c JS |
2339 | if (attr.GetFont().Ok()) |
2340 | dc.SetFont(attr.GetFont()); | |
5d7836c4 JS |
2341 | lineHeight = dc.GetCharHeight(); |
2342 | } | |
2343 | if (maxDescent == 0) | |
2344 | { | |
2345 | int w, h; | |
2346 | dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent); | |
2347 | } | |
2348 | ||
2349 | line->SetSize(wxSize(currentWidth, lineHeight)); | |
2350 | line->SetDescent(maxDescent); | |
2351 | currentPosition.y += lineHeight; | |
2352 | currentPosition.y += lineSpacing; | |
2353 | lineCount ++; | |
5d7836c4 JS |
2354 | } |
2355 | ||
1e967276 JS |
2356 | // Remove remaining unused line objects, if any |
2357 | ClearUnusedLines(lineCount); | |
2358 | ||
5d7836c4 | 2359 | // Apply styles to wrapped lines |
fe5aa22c | 2360 | ApplyParagraphStyle(attr, rect); |
5d7836c4 JS |
2361 | |
2362 | SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceBeforePara + spaceAfterPara)); | |
2363 | ||
2364 | m_dirty = false; | |
2365 | ||
2366 | return true; | |
2367 | } | |
2368 | ||
2369 | /// Apply paragraph styles, such as centering, to wrapped lines | |
fe5aa22c | 2370 | void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttrEx& attr, const wxRect& rect) |
5d7836c4 | 2371 | { |
fe5aa22c | 2372 | if (!attr.HasAlignment()) |
5d7836c4 JS |
2373 | return; |
2374 | ||
2375 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); | |
2376 | while (node) | |
2377 | { | |
2378 | wxRichTextLine* line = node->GetData(); | |
2379 | ||
2380 | wxPoint pos = line->GetPosition(); | |
2381 | wxSize size = line->GetSize(); | |
2382 | ||
2383 | // centering, right-justification | |
fe5aa22c | 2384 | if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE) |
5d7836c4 JS |
2385 | { |
2386 | pos.x = (rect.GetWidth() - size.x)/2 + pos.x; | |
2387 | line->SetPosition(pos); | |
2388 | } | |
fe5aa22c | 2389 | else if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT) |
5d7836c4 JS |
2390 | { |
2391 | pos.x = rect.GetRight() - size.x; | |
2392 | line->SetPosition(pos); | |
2393 | } | |
2394 | ||
2395 | node = node->GetNext(); | |
2396 | } | |
2397 | } | |
2398 | ||
2399 | /// Insert text at the given position | |
2400 | bool wxRichTextParagraph::InsertText(long pos, const wxString& text) | |
2401 | { | |
2402 | wxRichTextObject* childToUse = NULL; | |
09f14108 | 2403 | wxRichTextObjectList::compatibility_iterator nodeToUse = wxRichTextObjectList::compatibility_iterator(); |
5d7836c4 JS |
2404 | |
2405 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2406 | while (node) | |
2407 | { | |
2408 | wxRichTextObject* child = node->GetData(); | |
2409 | if (child->GetRange().Contains(pos) && child->GetRange().GetLength() > 0) | |
2410 | { | |
2411 | childToUse = child; | |
2412 | nodeToUse = node; | |
2413 | break; | |
2414 | } | |
2415 | ||
2416 | node = node->GetNext(); | |
2417 | } | |
2418 | ||
2419 | if (childToUse) | |
2420 | { | |
2421 | wxRichTextPlainText* textObject = wxDynamicCast(childToUse, wxRichTextPlainText); | |
2422 | if (textObject) | |
2423 | { | |
2424 | int posInString = pos - textObject->GetRange().GetStart(); | |
2425 | ||
2426 | wxString newText = textObject->GetText().Mid(0, posInString) + | |
2427 | text + textObject->GetText().Mid(posInString); | |
2428 | textObject->SetText(newText); | |
2429 | ||
28f92d74 | 2430 | int textLength = text.length(); |
5d7836c4 JS |
2431 | |
2432 | textObject->SetRange(wxRichTextRange(textObject->GetRange().GetStart(), | |
2433 | textObject->GetRange().GetEnd() + textLength)); | |
2434 | ||
2435 | // Increment the end range of subsequent fragments in this paragraph. | |
2436 | // We'll set the paragraph range itself at a higher level. | |
2437 | ||
2438 | wxRichTextObjectList::compatibility_iterator node = nodeToUse->GetNext(); | |
2439 | while (node) | |
2440 | { | |
2441 | wxRichTextObject* child = node->GetData(); | |
2442 | child->SetRange(wxRichTextRange(textObject->GetRange().GetStart() + textLength, | |
2443 | textObject->GetRange().GetEnd() + textLength)); | |
7fe8059f | 2444 | |
5d7836c4 JS |
2445 | node = node->GetNext(); |
2446 | } | |
2447 | ||
2448 | return true; | |
2449 | } | |
2450 | else | |
2451 | { | |
2452 | // TODO: if not a text object, insert at closest position, e.g. in front of it | |
2453 | } | |
2454 | } | |
2455 | else | |
2456 | { | |
2457 | // Add at end. | |
2458 | // Don't pass parent initially to suppress auto-setting of parent range. | |
2459 | // We'll do that at a higher level. | |
2460 | wxRichTextPlainText* textObject = new wxRichTextPlainText(text, this); | |
2461 | ||
2462 | AppendChild(textObject); | |
2463 | return true; | |
2464 | } | |
2465 | ||
2466 | return false; | |
2467 | } | |
2468 | ||
2469 | void wxRichTextParagraph::Copy(const wxRichTextParagraph& obj) | |
2470 | { | |
2471 | wxRichTextBox::Copy(obj); | |
2472 | } | |
2473 | ||
2474 | /// Clear the cached lines | |
2475 | void wxRichTextParagraph::ClearLines() | |
2476 | { | |
2477 | WX_CLEAR_LIST(wxRichTextLineList, m_cachedLines); | |
2478 | } | |
2479 | ||
2480 | /// Get/set the object size for the given range. Returns false if the range | |
2481 | /// is invalid for this object. | |
7f0d9d71 | 2482 | bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const |
5d7836c4 JS |
2483 | { |
2484 | if (!range.IsWithin(GetRange())) | |
2485 | return false; | |
2486 | ||
2487 | if (flags & wxRICHTEXT_UNFORMATTED) | |
2488 | { | |
2489 | // Just use unformatted data, assume no line breaks | |
2490 | // TODO: take into account line breaks | |
2491 | ||
2492 | wxSize sz; | |
2493 | ||
2494 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2495 | while (node) | |
2496 | { | |
2497 | wxRichTextObject* child = node->GetData(); | |
2498 | if (!child->GetRange().IsOutside(range)) | |
2499 | { | |
2500 | wxSize childSize; | |
7fe8059f | 2501 | |
5d7836c4 JS |
2502 | wxRichTextRange rangeToUse = range; |
2503 | rangeToUse.LimitTo(child->GetRange()); | |
2504 | int childDescent = 0; | |
7fe8059f | 2505 | |
7f0d9d71 | 2506 | if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, position)) |
5d7836c4 JS |
2507 | { |
2508 | sz.y = wxMax(sz.y, childSize.y); | |
2509 | sz.x += childSize.x; | |
2510 | descent = wxMax(descent, childDescent); | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | node = node->GetNext(); | |
2515 | } | |
2516 | size = sz; | |
2517 | } | |
2518 | else | |
2519 | { | |
2520 | // Use formatted data, with line breaks | |
2521 | wxSize sz; | |
2522 | ||
2523 | // We're going to loop through each line, and then for each line, | |
2524 | // call GetRangeSize for the fragment that comprises that line. | |
2525 | // Only we have to do that multiple times within the line, because | |
2526 | // the line may be broken into pieces. For now ignore line break commands | |
2527 | // (so we can assume that getting the unformatted size for a fragment | |
2528 | // within a line is the actual size) | |
2529 | ||
2530 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); | |
2531 | while (node) | |
2532 | { | |
2533 | wxRichTextLine* line = node->GetData(); | |
1e967276 JS |
2534 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
2535 | if (!lineRange.IsOutside(range)) | |
5d7836c4 JS |
2536 | { |
2537 | wxSize lineSize; | |
7fe8059f | 2538 | |
5d7836c4 JS |
2539 | wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); |
2540 | while (node2) | |
2541 | { | |
2542 | wxRichTextObject* child = node2->GetData(); | |
7fe8059f | 2543 | |
1e967276 | 2544 | if (!child->GetRange().IsOutside(lineRange)) |
5d7836c4 | 2545 | { |
1e967276 | 2546 | wxRichTextRange rangeToUse = lineRange; |
5d7836c4 | 2547 | rangeToUse.LimitTo(child->GetRange()); |
7fe8059f | 2548 | |
5d7836c4 JS |
2549 | wxSize childSize; |
2550 | int childDescent = 0; | |
7f0d9d71 | 2551 | if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, position)) |
5d7836c4 JS |
2552 | { |
2553 | lineSize.y = wxMax(lineSize.y, childSize.y); | |
2554 | lineSize.x += childSize.x; | |
2555 | } | |
2556 | descent = wxMax(descent, childDescent); | |
2557 | } | |
7fe8059f | 2558 | |
5d7836c4 JS |
2559 | node2 = node2->GetNext(); |
2560 | } | |
2561 | ||
2562 | // Increase size by a line (TODO: paragraph spacing) | |
2563 | sz.y += lineSize.y; | |
2564 | sz.x = wxMax(sz.x, lineSize.x); | |
2565 | } | |
2566 | node = node->GetNext(); | |
2567 | } | |
2568 | size = sz; | |
2569 | } | |
2570 | return true; | |
2571 | } | |
2572 | ||
2573 | /// Finds the absolute position and row height for the given character position | |
2574 | bool wxRichTextParagraph::FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart) | |
2575 | { | |
2576 | if (index == -1) | |
2577 | { | |
2578 | wxRichTextLine* line = ((wxRichTextParagraphLayoutBox*)GetParent())->GetLineAtPosition(0); | |
2579 | if (line) | |
2580 | *height = line->GetSize().y; | |
2581 | else | |
2582 | *height = dc.GetCharHeight(); | |
2583 | ||
2584 | // -1 means 'the start of the buffer'. | |
2585 | pt = GetPosition(); | |
2586 | if (line) | |
2587 | pt = pt + line->GetPosition(); | |
2588 | ||
2589 | *height = dc.GetCharHeight(); | |
2590 | ||
2591 | return true; | |
2592 | } | |
2593 | ||
2594 | // The final position in a paragraph is taken to mean the position | |
2595 | // at the start of the next paragraph. | |
2596 | if (index == GetRange().GetEnd()) | |
2597 | { | |
2598 | wxRichTextParagraphLayoutBox* parent = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox); | |
2599 | wxASSERT( parent != NULL ); | |
2600 | ||
2601 | // Find the height at the next paragraph, if any | |
2602 | wxRichTextLine* line = parent->GetLineAtPosition(index + 1); | |
2603 | if (line) | |
2604 | { | |
2605 | *height = line->GetSize().y; | |
2606 | pt = line->GetAbsolutePosition(); | |
2607 | } | |
2608 | else | |
2609 | { | |
2610 | *height = dc.GetCharHeight(); | |
2611 | int indent = ConvertTenthsMMToPixels(dc, m_attributes.GetLeftIndent()); | |
2612 | pt = wxPoint(indent, GetCachedSize().y); | |
2613 | } | |
2614 | ||
2615 | return true; | |
2616 | } | |
2617 | ||
2618 | if (index < GetRange().GetStart() || index > GetRange().GetEnd()) | |
2619 | return false; | |
2620 | ||
2621 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); | |
2622 | while (node) | |
2623 | { | |
2624 | wxRichTextLine* line = node->GetData(); | |
1e967276 JS |
2625 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
2626 | if (index >= lineRange.GetStart() && index <= lineRange.GetEnd()) | |
5d7836c4 JS |
2627 | { |
2628 | // If this is the last point in the line, and we're forcing the | |
2629 | // returned value to be the start of the next line, do the required | |
2630 | // thing. | |
1e967276 | 2631 | if (index == lineRange.GetEnd() && forceLineStart) |
5d7836c4 JS |
2632 | { |
2633 | if (node->GetNext()) | |
2634 | { | |
2635 | wxRichTextLine* nextLine = node->GetNext()->GetData(); | |
2636 | *height = nextLine->GetSize().y; | |
2637 | pt = nextLine->GetAbsolutePosition(); | |
2638 | return true; | |
2639 | } | |
2640 | } | |
2641 | ||
2642 | pt.y = line->GetPosition().y + GetPosition().y; | |
2643 | ||
1e967276 | 2644 | wxRichTextRange r(lineRange.GetStart(), index); |
5d7836c4 JS |
2645 | wxSize rangeSize; |
2646 | int descent = 0; | |
2647 | ||
2648 | // We find the size of the line up to this point, | |
2649 | // then we can add this size to the line start position and | |
2650 | // paragraph start position to find the actual position. | |
2651 | ||
7f0d9d71 | 2652 | if (GetRangeSize(r, rangeSize, descent, dc, wxRICHTEXT_UNFORMATTED, line->GetPosition()+ GetPosition())) |
5d7836c4 JS |
2653 | { |
2654 | pt.x = line->GetPosition().x + GetPosition().x + rangeSize.x; | |
2655 | *height = line->GetSize().y; | |
2656 | ||
2657 | return true; | |
2658 | } | |
2659 | ||
2660 | } | |
2661 | ||
2662 | node = node->GetNext(); | |
2663 | } | |
2664 | ||
2665 | return false; | |
2666 | } | |
2667 | ||
2668 | /// Hit-testing: returns a flag indicating hit test details, plus | |
2669 | /// information about position | |
2670 | int wxRichTextParagraph::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition) | |
2671 | { | |
2672 | wxPoint paraPos = GetPosition(); | |
2673 | ||
2674 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); | |
2675 | while (node) | |
2676 | { | |
2677 | wxRichTextLine* line = node->GetData(); | |
2678 | wxPoint linePos = paraPos + line->GetPosition(); | |
2679 | wxSize lineSize = line->GetSize(); | |
1e967276 | 2680 | wxRichTextRange lineRange = line->GetAbsoluteRange(); |
5d7836c4 JS |
2681 | |
2682 | if (pt.y >= linePos.y && pt.y <= linePos.y + lineSize.y) | |
2683 | { | |
2684 | if (pt.x < linePos.x) | |
2685 | { | |
1e967276 | 2686 | textPosition = lineRange.GetStart(); |
5d7836c4 JS |
2687 | return wxRICHTEXT_HITTEST_BEFORE; |
2688 | } | |
2689 | else if (pt.x >= (linePos.x + lineSize.x)) | |
2690 | { | |
1e967276 | 2691 | textPosition = lineRange.GetEnd(); |
5d7836c4 JS |
2692 | return wxRICHTEXT_HITTEST_AFTER; |
2693 | } | |
2694 | else | |
2695 | { | |
2696 | long i; | |
2697 | int lastX = linePos.x; | |
1e967276 | 2698 | for (i = lineRange.GetStart(); i <= lineRange.GetEnd(); i++) |
5d7836c4 JS |
2699 | { |
2700 | wxSize childSize; | |
2701 | int descent = 0; | |
7fe8059f | 2702 | |
1e967276 | 2703 | wxRichTextRange rangeToUse(lineRange.GetStart(), i); |
7fe8059f | 2704 | |
7f0d9d71 | 2705 | GetRangeSize(rangeToUse, childSize, descent, dc, wxRICHTEXT_UNFORMATTED, linePos); |
5d7836c4 JS |
2706 | |
2707 | int nextX = childSize.x + linePos.x; | |
2708 | ||
2709 | if (pt.x >= lastX && pt.x <= nextX) | |
2710 | { | |
2711 | textPosition = i; | |
2712 | ||
2713 | // So now we know it's between i-1 and i. | |
2714 | // Let's see if we can be more precise about | |
2715 | // which side of the position it's on. | |
2716 | ||
2717 | int midPoint = (nextX - lastX)/2 + lastX; | |
2718 | if (pt.x >= midPoint) | |
2719 | return wxRICHTEXT_HITTEST_AFTER; | |
2720 | else | |
2721 | return wxRICHTEXT_HITTEST_BEFORE; | |
2722 | } | |
2723 | else | |
2724 | { | |
2725 | lastX = nextX; | |
2726 | } | |
2727 | } | |
2728 | } | |
2729 | } | |
7fe8059f | 2730 | |
5d7836c4 JS |
2731 | node = node->GetNext(); |
2732 | } | |
2733 | ||
2734 | return wxRICHTEXT_HITTEST_NONE; | |
2735 | } | |
2736 | ||
2737 | /// Split an object at this position if necessary, and return | |
2738 | /// the previous object, or NULL if inserting at beginning. | |
2739 | wxRichTextObject* wxRichTextParagraph::SplitAt(long pos, wxRichTextObject** previousObject) | |
2740 | { | |
2741 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2742 | while (node) | |
2743 | { | |
2744 | wxRichTextObject* child = node->GetData(); | |
2745 | ||
2746 | if (pos == child->GetRange().GetStart()) | |
2747 | { | |
2748 | if (previousObject) | |
4d551ad5 JS |
2749 | { |
2750 | if (node->GetPrevious()) | |
2751 | *previousObject = node->GetPrevious()->GetData(); | |
2752 | else | |
2753 | *previousObject = NULL; | |
2754 | } | |
5d7836c4 JS |
2755 | |
2756 | return child; | |
2757 | } | |
2758 | ||
2759 | if (child->GetRange().Contains(pos)) | |
2760 | { | |
2761 | // This should create a new object, transferring part of | |
2762 | // the content to the old object and the rest to the new object. | |
2763 | wxRichTextObject* newObject = child->DoSplit(pos); | |
2764 | ||
2765 | // If we couldn't split this object, just insert in front of it. | |
2766 | if (!newObject) | |
2767 | { | |
2768 | // Maybe this is an empty string, try the next one | |
2769 | // return child; | |
2770 | } | |
2771 | else | |
2772 | { | |
2773 | // Insert the new object after 'child' | |
2774 | if (node->GetNext()) | |
2775 | m_children.Insert(node->GetNext(), newObject); | |
2776 | else | |
2777 | m_children.Append(newObject); | |
2778 | newObject->SetParent(this); | |
2779 | ||
2780 | if (previousObject) | |
2781 | *previousObject = child; | |
2782 | ||
2783 | return newObject; | |
2784 | } | |
2785 | } | |
2786 | ||
2787 | node = node->GetNext(); | |
2788 | } | |
2789 | if (previousObject) | |
2790 | *previousObject = NULL; | |
2791 | return NULL; | |
2792 | } | |
2793 | ||
2794 | /// Move content to a list from obj on | |
2795 | void wxRichTextParagraph::MoveToList(wxRichTextObject* obj, wxList& list) | |
2796 | { | |
2797 | wxRichTextObjectList::compatibility_iterator node = m_children.Find(obj); | |
2798 | while (node) | |
2799 | { | |
2800 | wxRichTextObject* child = node->GetData(); | |
2801 | list.Append(child); | |
2802 | ||
2803 | wxRichTextObjectList::compatibility_iterator oldNode = node; | |
2804 | ||
2805 | node = node->GetNext(); | |
2806 | ||
2807 | m_children.DeleteNode(oldNode); | |
2808 | } | |
2809 | } | |
2810 | ||
2811 | /// Add content back from list | |
2812 | void wxRichTextParagraph::MoveFromList(wxList& list) | |
2813 | { | |
09f14108 | 2814 | for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext()) |
5d7836c4 JS |
2815 | { |
2816 | AppendChild((wxRichTextObject*) node->GetData()); | |
2817 | } | |
2818 | } | |
2819 | ||
2820 | /// Calculate range | |
2821 | void wxRichTextParagraph::CalculateRange(long start, long& end) | |
2822 | { | |
2823 | wxRichTextCompositeObject::CalculateRange(start, end); | |
2824 | ||
2825 | // Add one for end of paragraph | |
2826 | end ++; | |
2827 | ||
2828 | m_range.SetRange(start, end); | |
2829 | } | |
2830 | ||
2831 | /// Find the object at the given position | |
2832 | wxRichTextObject* wxRichTextParagraph::FindObjectAtPosition(long position) | |
2833 | { | |
2834 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2835 | while (node) | |
2836 | { | |
2837 | wxRichTextObject* obj = node->GetData(); | |
2838 | if (obj->GetRange().Contains(position)) | |
2839 | return obj; | |
7fe8059f | 2840 | |
5d7836c4 JS |
2841 | node = node->GetNext(); |
2842 | } | |
2843 | return NULL; | |
2844 | } | |
2845 | ||
2846 | /// Get the plain text searching from the start or end of the range. | |
2847 | /// The resulting string may be shorter than the range given. | |
2848 | bool wxRichTextParagraph::GetContiguousPlainText(wxString& text, const wxRichTextRange& range, bool fromStart) | |
2849 | { | |
2850 | text = wxEmptyString; | |
2851 | ||
2852 | if (fromStart) | |
2853 | { | |
2854 | wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); | |
2855 | while (node) | |
2856 | { | |
2857 | wxRichTextObject* obj = node->GetData(); | |
2858 | if (!obj->GetRange().IsOutside(range)) | |
2859 | { | |
2860 | wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); | |
2861 | if (textObj) | |
2862 | { | |
2863 | text += textObj->GetTextForRange(range); | |
2864 | } | |
2865 | else | |
2866 | return true; | |
2867 | } | |
2868 | ||
2869 | node = node->GetNext(); | |
2870 | } | |
2871 | } | |
2872 | else | |
2873 | { | |
2874 | wxRichTextObjectList::compatibility_iterator node = m_children.GetLast(); | |
2875 | while (node) | |
2876 | { | |
2877 | wxRichTextObject* obj = node->GetData(); | |
2878 | if (!obj->GetRange().IsOutside(range)) | |
2879 | { | |
2880 | wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); | |
2881 | if (textObj) | |
2882 | { | |
2883 | text = textObj->GetTextForRange(range) + text; | |
2884 | } | |
2885 | else | |
2886 | return true; | |
2887 | } | |
2888 | ||
2889 | node = node->GetPrevious(); | |
2890 | } | |
2891 | } | |
2892 | ||
2893 | return true; | |
2894 | } | |
2895 | ||
2896 | /// Find a suitable wrap position. | |
2897 | bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& dc, int availableSpace, long& wrapPosition) | |
2898 | { | |
2899 | // Find the first position where the line exceeds the available space. | |
2900 | wxSize sz; | |
2901 | long i; | |
2902 | long breakPosition = range.GetEnd(); | |
2903 | for (i = range.GetStart(); i <= range.GetEnd(); i++) | |
2904 | { | |
2905 | int descent = 0; | |
2906 | GetRangeSize(wxRichTextRange(range.GetStart(), i), sz, descent, dc, wxRICHTEXT_UNFORMATTED); | |
2907 | ||
2908 | if (sz.x > availableSpace) | |
2909 | { | |
2910 | breakPosition = i-1; | |
2911 | break; | |
2912 | } | |
2913 | } | |
2914 | ||
2915 | // Now we know the last position on the line. | |
2916 | // Let's try to find a word break. | |
2917 | ||
2918 | wxString plainText; | |
2919 | if (GetContiguousPlainText(plainText, wxRichTextRange(range.GetStart(), breakPosition), false)) | |
2920 | { | |
2921 | int spacePos = plainText.Find(wxT(' '), true); | |
2922 | if (spacePos != wxNOT_FOUND) | |
2923 | { | |
28f92d74 | 2924 | int positionsFromEndOfString = plainText.length() - spacePos - 1; |
5d7836c4 JS |
2925 | breakPosition = breakPosition - positionsFromEndOfString; |
2926 | } | |
2927 | } | |
2928 | ||
2929 | wrapPosition = breakPosition; | |
2930 | ||
2931 | return true; | |
2932 | } | |
2933 | ||
2934 | /// Get the bullet text for this paragraph. | |
2935 | wxString wxRichTextParagraph::GetBulletText() | |
2936 | { | |
2937 | if (GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE || | |
2938 | (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP)) | |
2939 | return wxEmptyString; | |
2940 | ||
2941 | int number = GetAttributes().GetBulletNumber(); | |
2942 | ||
2943 | wxString text; | |
2944 | if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ARABIC) | |
2945 | { | |
2946 | text.Printf(wxT("%d"), number); | |
2947 | } | |
2948 | else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER) | |
2949 | { | |
2950 | // TODO: Unicode, and also check if number > 26 | |
2951 | text.Printf(wxT("%c"), (wxChar) (number+64)); | |
2952 | } | |
2953 | else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER) | |
2954 | { | |
2955 | // TODO: Unicode, and also check if number > 26 | |
2956 | text.Printf(wxT("%c"), (wxChar) (number+96)); | |
2957 | } | |
2958 | else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER) | |
2959 | { | |
2960 | // TODO: convert from number to roman numeral | |
2961 | if (number == 1) | |
2962 | text = wxT("I"); | |
2963 | else if (number == 2) | |
2964 | text = wxT("II"); | |
2965 | else if (number == 3) | |
2966 | text = wxT("III"); | |
2967 | else if (number == 4) | |
2968 | text = wxT("IV"); | |
2969 | else | |
2970 | text = wxT("TODO"); | |
2971 | } | |
2972 | else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER) | |
2973 | { | |
2974 | // TODO: convert from number to roman numeral | |
2975 | if (number == 1) | |
2976 | text = wxT("i"); | |
2977 | else if (number == 2) | |
2978 | text = wxT("ii"); | |
2979 | else if (number == 3) | |
2980 | text = wxT("iii"); | |
2981 | else if (number == 4) | |
2982 | text = wxT("iv"); | |
2983 | else | |
2984 | text = wxT("TODO"); | |
2985 | } | |
2986 | else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL) | |
2987 | { | |
2988 | text = GetAttributes().GetBulletSymbol(); | |
2989 | } | |
2990 | ||
2991 | if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PARENTHESES) | |
2992 | { | |
2993 | text = wxT("(") + text + wxT(")"); | |
2994 | } | |
2995 | if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PERIOD) | |
2996 | { | |
2997 | text += wxT("."); | |
2998 | } | |
2999 | ||
3000 | return text; | |
3001 | } | |
3002 | ||
1e967276 JS |
3003 | /// Allocate or reuse a line object |
3004 | wxRichTextLine* wxRichTextParagraph::AllocateLine(int pos) | |
3005 | { | |
3006 | if (pos < (int) m_cachedLines.GetCount()) | |
3007 | { | |
3008 | wxRichTextLine* line = m_cachedLines.Item(pos)->GetData(); | |
3009 | line->Init(this); | |
3010 | return line; | |
3011 | } | |
3012 | else | |
3013 | { | |
3014 | wxRichTextLine* line = new wxRichTextLine(this); | |
3015 | m_cachedLines.Append(line); | |
3016 | return line; | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | /// Clear remaining unused line objects, if any | |
3021 | bool wxRichTextParagraph::ClearUnusedLines(int lineCount) | |
3022 | { | |
3023 | int cachedLineCount = m_cachedLines.GetCount(); | |
3024 | if ((int) cachedLineCount > lineCount) | |
3025 | { | |
3026 | for (int i = 0; i < (int) (cachedLineCount - lineCount); i ++) | |
3027 | { | |
3028 | wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetLast(); | |
3029 | wxRichTextLine* line = node->GetData(); | |
3030 | m_cachedLines.Erase(node); | |
3031 | delete line; | |
3032 | } | |
3033 | } | |
3034 | return true; | |
3035 | } | |
3036 | ||
fe5aa22c JS |
3037 | /// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically |
3038 | /// retrieve the actual style. | |
3039 | wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes(const wxTextAttr& contentStyle) const | |
3040 | { | |
3041 | wxTextAttrEx attr; | |
3042 | wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer); | |
3043 | if (buf) | |
3044 | { | |
3045 | attr = buf->GetBasicStyle(); | |
3046 | wxRichTextApplyStyle(attr, GetAttributes()); | |
3047 | } | |
3048 | else | |
3049 | attr = GetAttributes(); | |
3050 | ||
3051 | wxRichTextApplyStyle(attr, contentStyle); | |
3052 | return attr; | |
3053 | } | |
3054 | ||
3055 | /// Get combined attributes of the base style and paragraph style. | |
3056 | wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes() const | |
3057 | { | |
3058 | wxTextAttrEx attr; | |
3059 | wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer); | |
3060 | if (buf) | |
3061 | { | |
3062 | attr = buf->GetBasicStyle(); | |
3063 | wxRichTextApplyStyle(attr, GetAttributes()); | |
3064 | } | |
3065 | else | |
3066 | attr = GetAttributes(); | |
3067 | ||
3068 | return attr; | |
3069 | } | |
5d7836c4 JS |
3070 | |
3071 | /*! | |
3072 | * wxRichTextLine | |
3073 | * This object represents a line in a paragraph, and stores | |
3074 | * offsets from the start of the paragraph representing the | |
3075 | * start and end positions of the line. | |
3076 | */ | |
3077 | ||
3078 | wxRichTextLine::wxRichTextLine(wxRichTextParagraph* parent) | |
3079 | { | |
1e967276 | 3080 | Init(parent); |
5d7836c4 JS |
3081 | } |
3082 | ||
3083 | /// Initialisation | |
1e967276 | 3084 | void wxRichTextLine::Init(wxRichTextParagraph* parent) |
5d7836c4 | 3085 | { |
1e967276 JS |
3086 | m_parent = parent; |
3087 | m_range.SetRange(-1, -1); | |
3088 | m_pos = wxPoint(0, 0); | |
3089 | m_size = wxSize(0, 0); | |
5d7836c4 JS |
3090 | m_descent = 0; |
3091 | } | |
3092 | ||
3093 | /// Copy | |
3094 | void wxRichTextLine::Copy(const wxRichTextLine& obj) | |
3095 | { | |
3096 | m_range = obj.m_range; | |
3097 | } | |
3098 | ||
3099 | /// Get the absolute object position | |
3100 | wxPoint wxRichTextLine::GetAbsolutePosition() const | |
3101 | { | |
3102 | return m_parent->GetPosition() + m_pos; | |
3103 | } | |
3104 | ||
1e967276 JS |
3105 | /// Get the absolute range |
3106 | wxRichTextRange wxRichTextLine::GetAbsoluteRange() const | |
3107 | { | |
3108 | wxRichTextRange range(m_range.GetStart() + m_parent->GetRange().GetStart(), 0); | |
3109 | range.SetEnd(range.GetStart() + m_range.GetLength()-1); | |
3110 | return range; | |
3111 | } | |
3112 | ||
5d7836c4 JS |
3113 | /*! |
3114 | * wxRichTextPlainText | |
3115 | * This object represents a single piece of text. | |
3116 | */ | |
3117 | ||
3118 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextPlainText, wxRichTextObject) | |
3119 | ||
3120 | wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject* parent, wxTextAttrEx* style): | |
3121 | wxRichTextObject(parent) | |
3122 | { | |
3123 | if (parent && !style) | |
3124 | SetAttributes(parent->GetAttributes()); | |
3125 | if (style) | |
3126 | SetAttributes(*style); | |
3127 | ||
3128 | m_text = text; | |
3129 | } | |
3130 | ||
3131 | /// Draw the item | |
3132 | bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int WXUNUSED(style)) | |
3133 | { | |
fe5aa22c JS |
3134 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
3135 | wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); | |
3136 | wxASSERT (para != NULL); | |
3137 | ||
3138 | wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); | |
3139 | #else | |
3140 | wxTextAttrEx textAttr(GetAttributes()); | |
3141 | #endif | |
3142 | ||
5d7836c4 JS |
3143 | int offset = GetRange().GetStart(); |
3144 | ||
3145 | long len = range.GetLength(); | |
3146 | wxString stringChunk = m_text.Mid(range.GetStart() - offset, (size_t) len); | |
3147 | ||
3148 | int charHeight = dc.GetCharHeight(); | |
3149 | ||
3150 | int x = rect.x; | |
3151 | int y = rect.y + (rect.height - charHeight - (descent - m_descent)); | |
3152 | ||
3153 | // Test for the optimized situations where all is selected, or none | |
3154 | // is selected. | |
3155 | ||
fe5aa22c JS |
3156 | if (textAttr.GetFont().Ok()) |
3157 | dc.SetFont(textAttr.GetFont()); | |
5d7836c4 JS |
3158 | |
3159 | // (a) All selected. | |
3160 | if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd()) | |
ab14c7aa | 3161 | { |
fe5aa22c | 3162 | DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, true); |
5d7836c4 JS |
3163 | } |
3164 | // (b) None selected. | |
3165 | else if (selectionRange.GetEnd() < range.GetStart() || selectionRange.GetStart() > range.GetEnd()) | |
3166 | { | |
3167 | // Draw all unselected | |
fe5aa22c | 3168 | DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, false); |
5d7836c4 JS |
3169 | } |
3170 | else | |
3171 | { | |
3172 | // (c) Part selected, part not | |
3173 | // Let's draw unselected chunk, selected chunk, then unselected chunk. | |
3174 | ||
3175 | dc.SetBackgroundMode(wxTRANSPARENT); | |
7fe8059f | 3176 | |
5d7836c4 JS |
3177 | // 1. Initial unselected chunk, if any, up until start of selection. |
3178 | if (selectionRange.GetStart() > range.GetStart() && selectionRange.GetStart() <= range.GetEnd()) | |
3179 | { | |
3180 | int r1 = range.GetStart(); | |
3181 | int s1 = selectionRange.GetStart()-1; | |
3182 | int fragmentLen = s1 - r1 + 1; | |
3183 | if (fragmentLen < 0) | |
3184 | wxLogDebug(wxT("Mid(%d, %d"), (int)(r1 - offset), (int)fragmentLen); | |
3185 | wxString stringFragment = m_text.Mid(r1 - offset, fragmentLen); | |
5d7836c4 | 3186 | |
fe5aa22c | 3187 | DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false); |
5d7836c4 JS |
3188 | } |
3189 | ||
3190 | // 2. Selected chunk, if any. | |
3191 | if (selectionRange.GetEnd() >= range.GetStart()) | |
3192 | { | |
3193 | int s1 = wxMax(selectionRange.GetStart(), range.GetStart()); | |
3194 | int s2 = wxMin(selectionRange.GetEnd(), range.GetEnd()); | |
3195 | ||
3196 | int fragmentLen = s2 - s1 + 1; | |
3197 | if (fragmentLen < 0) | |
3198 | wxLogDebug(wxT("Mid(%d, %d"), (int)(s1 - offset), (int)fragmentLen); | |
3199 | wxString stringFragment = m_text.Mid(s1 - offset, fragmentLen); | |
5d7836c4 | 3200 | |
fe5aa22c | 3201 | DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true); |
5d7836c4 JS |
3202 | } |
3203 | ||
3204 | // 3. Remaining unselected chunk, if any | |
3205 | if (selectionRange.GetEnd() < range.GetEnd()) | |
3206 | { | |
3207 | int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd()); | |
3208 | int r2 = range.GetEnd(); | |
3209 | ||
3210 | int fragmentLen = r2 - s2 + 1; | |
3211 | if (fragmentLen < 0) | |
3212 | wxLogDebug(wxT("Mid(%d, %d"), (int)(s2 - offset), (int)fragmentLen); | |
3213 | wxString stringFragment = m_text.Mid(s2 - offset, fragmentLen); | |
ab14c7aa | 3214 | |
fe5aa22c | 3215 | DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false); |
7fe8059f | 3216 | } |
5d7836c4 JS |
3217 | } |
3218 | ||
3219 | return true; | |
3220 | } | |
61399247 | 3221 | |
fe5aa22c | 3222 | bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected) |
7f0d9d71 | 3223 | { |
fe5aa22c | 3224 | wxArrayInt tab_array = attr.GetTabs(); |
ab14c7aa JS |
3225 | if (tab_array.IsEmpty()) |
3226 | { | |
3227 | // create a default tab list at 10 mm each. | |
3228 | for (int i = 0; i < 20; ++i) | |
3229 | { | |
7f0d9d71 JS |
3230 | tab_array.Add(i*100); |
3231 | } | |
3232 | } | |
3233 | int map_mode = dc.GetMapMode(); | |
3234 | dc.SetMapMode(wxMM_LOMETRIC ); | |
3235 | int num_tabs = tab_array.GetCount(); | |
ab14c7aa JS |
3236 | for (int i = 0; i < num_tabs; ++i) |
3237 | { | |
61399247 | 3238 | tab_array[i] = dc.LogicalToDeviceXRel(tab_array[i]); |
7f0d9d71 | 3239 | } |
ab14c7aa | 3240 | |
7f0d9d71 JS |
3241 | dc.SetMapMode(map_mode ); |
3242 | int next_tab_pos = -1; | |
3243 | int tab_pos = -1; | |
3244 | wxCoord w, h; | |
ab14c7aa JS |
3245 | |
3246 | if(selected) | |
3247 | { | |
7f0d9d71 JS |
3248 | dc.SetBrush(*wxBLACK_BRUSH); |
3249 | dc.SetPen(*wxBLACK_PEN); | |
3250 | dc.SetTextForeground(*wxWHITE); | |
3251 | dc.SetBackgroundMode(wxTRANSPARENT); | |
3252 | } | |
ab14c7aa JS |
3253 | else |
3254 | { | |
fe5aa22c | 3255 | dc.SetTextForeground(attr.GetTextColour()); |
7f0d9d71 JS |
3256 | dc.SetBackgroundMode(wxTRANSPARENT); |
3257 | } | |
ab14c7aa JS |
3258 | |
3259 | while (str.Find(wxT('\t')) >= 0) | |
3260 | { | |
3261 | // the string has a tab | |
7f0d9d71 JS |
3262 | // break up the string at the Tab |
3263 | wxString stringChunk = str.BeforeFirst(wxT('\t')); | |
3264 | str = str.AfterFirst(wxT('\t')); | |
3265 | dc.GetTextExtent(stringChunk, & w, & h); | |
3266 | tab_pos = x + w; | |
3267 | bool not_found = true; | |
ab14c7aa JS |
3268 | for (int i = 0; i < num_tabs && not_found; ++i) |
3269 | { | |
7f0d9d71 | 3270 | next_tab_pos = tab_array.Item(i); |
ab14c7aa JS |
3271 | if (next_tab_pos > tab_pos) |
3272 | { | |
7f0d9d71 | 3273 | not_found = false; |
ab14c7aa JS |
3274 | if (selected) |
3275 | { | |
7f0d9d71 JS |
3276 | w = next_tab_pos - x; |
3277 | wxRect selRect(x, rect.y, w, rect.GetHeight()); | |
61399247 | 3278 | dc.DrawRectangle(selRect); |
7f0d9d71 JS |
3279 | } |
3280 | dc.DrawText(stringChunk, x, y); | |
3281 | x = next_tab_pos; | |
3282 | } | |
3283 | } | |
3284 | } | |
61399247 | 3285 | |
7f0d9d71 | 3286 | dc.GetTextExtent(str, & w, & h); |
ab14c7aa JS |
3287 | if (selected) |
3288 | { | |
7f0d9d71 | 3289 | wxRect selRect(x, rect.y, w, rect.GetHeight()); |
61399247 | 3290 | dc.DrawRectangle(selRect); |
7f0d9d71 JS |
3291 | } |
3292 | dc.DrawText(str, x, y); | |
3293 | x += w; | |
3294 | return true; | |
5d7836c4 | 3295 | |
7f0d9d71 | 3296 | } |
fe5aa22c | 3297 | |
5d7836c4 | 3298 | /// Lay the item out |
38113684 | 3299 | bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style)) |
5d7836c4 | 3300 | { |
fe5aa22c JS |
3301 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
3302 | wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); | |
3303 | wxASSERT (para != NULL); | |
3304 | ||
3305 | wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); | |
3306 | #else | |
3307 | wxTextAttrEx textAttr(GetAttributes()); | |
3308 | #endif | |
3309 | ||
3310 | if (textAttr.GetFont().Ok()) | |
3311 | dc.SetFont(textAttr.GetFont()); | |
5d7836c4 JS |
3312 | |
3313 | wxCoord w, h; | |
3314 | dc.GetTextExtent(m_text, & w, & h, & m_descent); | |
3315 | m_size = wxSize(w, dc.GetCharHeight()); | |
3316 | ||
3317 | return true; | |
3318 | } | |
3319 | ||
3320 | /// Copy | |
3321 | void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj) | |
3322 | { | |
3323 | wxRichTextObject::Copy(obj); | |
3324 | ||
3325 | m_text = obj.m_text; | |
3326 | } | |
3327 | ||
3328 | /// Get/set the object size for the given range. Returns false if the range | |
3329 | /// is invalid for this object. | |
7f0d9d71 | 3330 | bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int WXUNUSED(flags), wxPoint position) const |
5d7836c4 JS |
3331 | { |
3332 | if (!range.IsWithin(GetRange())) | |
3333 | return false; | |
3334 | ||
fe5aa22c JS |
3335 | #if wxRICHTEXT_USE_DYNAMIC_STYLES |
3336 | wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); | |
3337 | wxASSERT (para != NULL); | |
3338 | ||
3339 | wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); | |
3340 | #else | |
3341 | wxTextAttrEx textAttr(GetAttributes()); | |
3342 | #endif | |
3343 | ||
5d7836c4 JS |
3344 | // Always assume unformatted text, since at this level we have no knowledge |
3345 | // of line breaks - and we don't need it, since we'll calculate size within | |
3346 | // formatted text by doing it in chunks according to the line ranges | |
3347 | ||
fe5aa22c JS |
3348 | if (textAttr.GetFont().Ok()) |
3349 | dc.SetFont(textAttr.GetFont()); | |
5d7836c4 JS |
3350 | |
3351 | int startPos = range.GetStart() - GetRange().GetStart(); | |
3352 | long len = range.GetLength(); | |
3353 | wxString stringChunk = m_text.Mid(startPos, (size_t) len); | |
3354 | wxCoord w, h; | |
7f0d9d71 | 3355 | int width = 0; |
ab14c7aa JS |
3356 | if (stringChunk.Find(wxT('\t')) >= 0) |
3357 | { | |
3358 | // the string has a tab | |
fe5aa22c | 3359 | wxArrayInt tab_array = textAttr.GetTabs(); |
ab14c7aa | 3360 | if (tab_array.IsEmpty()) |
61399247 WS |
3361 | { |
3362 | // create a default tab list at 10 mm each. | |
ab14c7aa | 3363 | for (int i = 0; i < 20; ++i) |
61399247 | 3364 | { |
7f0d9d71 JS |
3365 | tab_array.Add(i*100); |
3366 | } | |
3367 | } | |
ab14c7aa | 3368 | |
7f0d9d71 JS |
3369 | int map_mode = dc.GetMapMode(); |
3370 | dc.SetMapMode(wxMM_LOMETRIC ); | |
3371 | int num_tabs = tab_array.GetCount(); | |
ab14c7aa JS |
3372 | |
3373 | for (int i = 0; i < num_tabs; ++i) | |
61399247 WS |
3374 | { |
3375 | tab_array[i] = dc.LogicalToDeviceXRel(tab_array[i]); | |
7f0d9d71 JS |
3376 | } |
3377 | dc.SetMapMode(map_mode ); | |
3378 | int next_tab_pos = -1; | |
61399247 | 3379 | |
ab14c7aa JS |
3380 | while (stringChunk.Find(wxT('\t')) >= 0) |
3381 | { | |
3382 | // the string has a tab | |
7f0d9d71 JS |
3383 | // break up the string at the Tab |
3384 | wxString stringFragment = stringChunk.BeforeFirst(wxT('\t')); | |
3385 | stringChunk = stringChunk.AfterFirst(wxT('\t')); | |
3386 | dc.GetTextExtent(stringFragment, & w, & h); | |
3387 | width += w; | |
3388 | int absolute_width = width + position.x; | |
3389 | bool not_found = true; | |
ab14c7aa JS |
3390 | for (int i = 0; i < num_tabs && not_found; ++i) |
3391 | { | |
7f0d9d71 | 3392 | next_tab_pos = tab_array.Item(i); |
ab14c7aa JS |
3393 | if (next_tab_pos > absolute_width) |
3394 | { | |
61399247 | 3395 | not_found = false; |
7f0d9d71 JS |
3396 | width = next_tab_pos - position.x; |
3397 | } | |
3398 | } | |
3399 | } | |
3400 | } | |
5d7836c4 | 3401 | dc.GetTextExtent(stringChunk, & w, & h, & descent); |
7f0d9d71 JS |
3402 | width += w; |
3403 | size = wxSize(width, dc.GetCharHeight()); | |
61399247 | 3404 | |
5d7836c4 JS |
3405 | return true; |
3406 | } | |
3407 | ||
3408 | /// Do a split, returning an object containing the second part, and setting | |
3409 | /// the first part in 'this'. | |
3410 | wxRichTextObject* wxRichTextPlainText::DoSplit(long pos) | |
3411 | { | |
3412 | int index = pos - GetRange().GetStart(); | |
28f92d74 | 3413 | if (index < 0 || index >= (int) m_text.length()) |
5d7836c4 JS |
3414 | return NULL; |
3415 | ||
3416 | wxString firstPart = m_text.Mid(0, index); | |
3417 | wxString secondPart = m_text.Mid(index); | |
3418 | ||
3419 | m_text = firstPart; | |
3420 | ||
3421 | wxRichTextPlainText* newObject = new wxRichTextPlainText(secondPart); | |
3422 | newObject->SetAttributes(GetAttributes()); | |
3423 | ||
3424 | newObject->SetRange(wxRichTextRange(pos, GetRange().GetEnd())); | |
3425 | GetRange().SetEnd(pos-1); | |
3426 | ||
3427 | return newObject; | |
3428 | } | |
3429 | ||
3430 | /// Calculate range | |
3431 | void wxRichTextPlainText::CalculateRange(long start, long& end) | |
3432 | { | |
28f92d74 | 3433 | end = start + m_text.length() - 1; |
5d7836c4 JS |
3434 | m_range.SetRange(start, end); |
3435 | } | |
3436 | ||
3437 | /// Delete range | |
3438 | bool wxRichTextPlainText::DeleteRange(const wxRichTextRange& range) | |
3439 | { | |
3440 | wxRichTextRange r = range; | |
3441 | ||
3442 | r.LimitTo(GetRange()); | |
3443 | ||
3444 | if (r.GetStart() == GetRange().GetStart() && r.GetEnd() == GetRange().GetEnd()) | |
3445 | { | |
3446 | m_text.Empty(); | |
3447 | return true; | |
3448 | } | |
3449 | ||
3450 | long startIndex = r.GetStart() - GetRange().GetStart(); | |
3451 | long len = r.GetLength(); | |
3452 | ||
3453 | m_text = m_text.Mid(0, startIndex) + m_text.Mid(startIndex+len); | |
3454 | return true; | |
3455 | } | |
3456 | ||
3457 | /// Get text for the given range. | |
3458 | wxString wxRichTextPlainText::GetTextForRange(const wxRichTextRange& range) const | |
3459 | { | |
3460 | wxRichTextRange r = range; | |
3461 | ||
3462 | r.LimitTo(GetRange()); | |
3463 | ||
3464 | long startIndex = r.GetStart() - GetRange().GetStart(); | |
3465 | long len = r.GetLength(); | |
3466 | ||
3467 | return m_text.Mid(startIndex, len); | |
3468 | } | |
3469 | ||
3470 | /// Returns true if this object can merge itself with the given one. | |
3471 | bool wxRichTextPlainText::CanMerge(wxRichTextObject* object) const | |
3472 | { | |
3473 | return object->GetClassInfo() == CLASSINFO(wxRichTextPlainText) && | |
7fe8059f | 3474 | (m_text.empty() || wxTextAttrEq(GetAttributes(), object->GetAttributes())); |
5d7836c4 JS |
3475 | } |
3476 | ||
3477 | /// Returns true if this object merged itself with the given one. | |
3478 | /// The calling code will then delete the given object. | |
3479 | bool wxRichTextPlainText::Merge(wxRichTextObject* object) | |
3480 | { | |
3481 | wxRichTextPlainText* textObject = wxDynamicCast(object, wxRichTextPlainText); | |
3482 | wxASSERT( textObject != NULL ); | |
3483 | ||
3484 | if (textObject) | |
3485 | { | |
3486 | m_text += textObject->GetText(); | |
3487 | return true; | |
3488 | } | |
3489 | else | |
3490 | return false; | |
3491 | } | |
3492 | ||
3493 | /// Dump to output stream for debugging | |
3494 | void wxRichTextPlainText::Dump(wxTextOutputStream& stream) | |
3495 | { | |
3496 | wxRichTextObject::Dump(stream); | |
3497 | stream << m_text << wxT("\n"); | |
3498 | } | |
3499 | ||
3500 | /*! | |
3501 | * wxRichTextBuffer | |
3502 | * This is a kind of box, used to represent the whole buffer | |
3503 | */ | |
3504 | ||
3505 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextBuffer, wxRichTextParagraphLayoutBox) | |
3506 | ||
3507 | wxList wxRichTextBuffer::sm_handlers; | |
3508 | ||
3509 | /// Initialisation | |
3510 | void wxRichTextBuffer::Init() | |
3511 | { | |
3512 | m_commandProcessor = new wxCommandProcessor; | |
3513 | m_styleSheet = NULL; | |
3514 | m_modified = false; | |
3515 | m_batchedCommandDepth = 0; | |
3516 | m_batchedCommand = NULL; | |
3517 | m_suppressUndo = 0; | |
3518 | } | |
3519 | ||
3520 | /// Initialisation | |
3521 | wxRichTextBuffer::~wxRichTextBuffer() | |
3522 | { | |
3523 | delete m_commandProcessor; | |
3524 | delete m_batchedCommand; | |
3525 | ||
3526 | ClearStyleStack(); | |
3527 | } | |
3528 | ||
3529 | void wxRichTextBuffer::Clear() | |
3530 | { | |
3531 | DeleteChildren(); | |
3532 | GetCommandProcessor()->ClearCommands(); | |
3533 | Modify(false); | |
1e967276 | 3534 | Invalidate(wxRICHTEXT_ALL); |
5d7836c4 JS |
3535 | } |
3536 | ||
3537 | void wxRichTextBuffer::Reset() | |
3538 | { | |
3539 | DeleteChildren(); | |
7fe8059f | 3540 | AddParagraph(wxEmptyString); |
5d7836c4 JS |
3541 | GetCommandProcessor()->ClearCommands(); |
3542 | Modify(false); | |
1e967276 | 3543 | Invalidate(wxRICHTEXT_ALL); |
5d7836c4 JS |
3544 | } |
3545 | ||
3546 | /// Submit command to insert the given text | |
fe5aa22c | 3547 | bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags) |
5d7836c4 JS |
3548 | { |
3549 | wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false); | |
3550 | ||
fe5aa22c JS |
3551 | wxTextAttrEx* p = NULL; |
3552 | wxTextAttrEx paraAttr; | |
3553 | if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) | |
3554 | { | |
3555 | paraAttr = GetStyleForNewParagraph(pos); | |
3556 | if (!paraAttr.IsDefault()) | |
3557 | p = & paraAttr; | |
3558 | } | |
3559 | ||
3560 | #if wxRICHTEXT_USE_DYNAMIC_STYLES | |
3561 | wxTextAttrEx attr(GetDefaultStyle()); | |
3562 | #else | |
3563 | wxTextAttrEx attr(GetBasicStyle()); | |
3564 | wxRichTextApplyStyle(attr, GetDefaultStyle()); | |
3565 | #endif | |
3566 | ||
3567 | action->GetNewParagraphs().AddParagraphs(text, p); | |
3568 | if (action->GetNewParagraphs().GetChildCount() == 1 && text.Find(wxT("\n")) == wxNOT_FOUND) | |
5d7836c4 JS |
3569 | action->GetNewParagraphs().SetPartialParagraph(true); |
3570 | ||
3571 | action->SetPosition(pos); | |
3572 | ||
3573 | // Set the range we'll need to delete in Undo | |
28f92d74 | 3574 | action->SetRange(wxRichTextRange(pos, pos + text.length() - 1)); |
7fe8059f | 3575 | |
5d7836c4 | 3576 | SubmitAction(action); |
7fe8059f | 3577 | |
5d7836c4 JS |
3578 | return true; |
3579 | } | |
3580 | ||
3581 | /// Submit command to insert the given text | |
fe5aa22c | 3582 | bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl, int flags) |
5d7836c4 JS |
3583 | { |
3584 | wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false); | |
3585 | ||
fe5aa22c JS |
3586 | wxTextAttrEx* p = NULL; |
3587 | wxTextAttrEx paraAttr; | |
3588 | if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) | |
3589 | { | |
3590 | paraAttr = GetStyleForNewParagraph(pos); | |
3591 | if (!paraAttr.IsDefault()) | |
3592 | p = & paraAttr; | |
3593 | } | |
3594 | ||
3595 | #if wxRICHTEXT_USE_DYNAMIC_STYLES | |
3596 | wxTextAttrEx attr(GetDefaultStyle()); | |
3597 | #else | |
5d7836c4 JS |
3598 | wxTextAttrEx attr(GetBasicStyle()); |
3599 | wxRichTextApplyStyle(attr, GetDefaultStyle()); | |
fe5aa22c | 3600 | #endif |
7fe8059f WS |
3601 | |
3602 | wxRichTextParagraph* newPara = new wxRichTextParagraph(wxEmptyString, this, & attr); | |
5d7836c4 JS |
3603 | action->GetNewParagraphs().AppendChild(newPara); |
3604 | action->GetNewParagraphs().UpdateRanges(); | |
3605 | action->GetNewParagraphs().SetPartialParagraph(false); | |
3606 | action->SetPosition(pos); | |
3607 | ||
fe5aa22c JS |
3608 | if (p) |
3609 | newPara->SetAttributes(*p); | |
3610 | ||
5d7836c4 JS |
3611 | // Set the range we'll need to delete in Undo |
3612 | action->SetRange(wxRichTextRange(pos, pos)); | |
7fe8059f | 3613 | |
5d7836c4 | 3614 | SubmitAction(action); |
7fe8059f | 3615 | |
5d7836c4 JS |
3616 | return true; |
3617 | } | |
3618 | ||
3619 | /// Submit command to insert the given image | |
fe5aa22c | 3620 | bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl, int flags) |
5d7836c4 JS |
3621 | { |
3622 | wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, ctrl, false); | |
3623 | ||
fe5aa22c JS |
3624 | wxTextAttrEx* p = NULL; |
3625 | wxTextAttrEx paraAttr; | |
3626 | if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) | |
3627 | { | |
3628 | paraAttr = GetStyleForNewParagraph(pos); | |
3629 | if (!paraAttr.IsDefault()) | |
3630 | p = & paraAttr; | |
3631 | } | |
3632 | ||
3633 | #if wxRICHTEXT_USE_DYNAMIC_STYLES | |
3634 | wxTextAttrEx attr(GetDefaultStyle()); | |
3635 | #else | |
5d7836c4 JS |
3636 | wxTextAttrEx attr(GetBasicStyle()); |
3637 | wxRichTextApplyStyle(attr, GetDefaultStyle()); | |
fe5aa22c | 3638 | #endif |
7fe8059f | 3639 | |
5d7836c4 | 3640 | wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr); |
fe5aa22c JS |
3641 | if (p) |
3642 | newPara->SetAttributes(*p); | |
3643 | ||
5d7836c4 JS |
3644 | wxRichTextImage* imageObject = new wxRichTextImage(imageBlock, newPara); |
3645 | newPara->AppendChild(imageObject); | |
3646 | action->GetNewParagraphs().AppendChild(newPara); | |
3647 | action->GetNewParagraphs().UpdateRanges(); | |
3648 | ||
3649 | action->GetNewParagraphs().SetPartialParagraph(true); | |
3650 | ||
3651 | action->SetPosition(pos); | |
3652 | ||
3653 | // Set the range we'll need to delete in Undo | |
3654 | action->SetRange(wxRichTextRange(pos, pos)); | |
7fe8059f | 3655 | |
5d7836c4 | 3656 | SubmitAction(action); |
7fe8059f | 3657 | |
5d7836c4 JS |
3658 | return true; |
3659 | } | |
3660 | ||
fe5aa22c JS |
3661 | /// Get the style that is appropriate for a new paragraph at this position. |
3662 | /// If the previous paragraph has a paragraph style name, look up the next-paragraph | |
3663 | /// style. | |
3664 | wxRichTextAttr wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPosition) const | |
3665 | { | |
3666 | wxRichTextParagraph* para = GetParagraphAtPosition(pos, caretPosition); | |
3667 | if (para) | |
3668 | { | |
3669 | if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && GetStyleSheet()) | |
3670 | { | |
3671 | wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName()); | |
3672 | if (paraDef && !paraDef->GetNextStyle().IsEmpty()) | |
3673 | { | |
3674 | wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle()); | |
3675 | if (nextParaDef) | |
3676 | return nextParaDef->GetStyle(); | |
3677 | } | |
3678 | } | |
3679 | wxRichTextAttr attr(para->GetAttributes()); | |
3680 | int flags = attr.GetFlags(); | |
3681 | ||
3682 | // Eliminate character styles | |
3683 | flags &= ( (~ wxTEXT_ATTR_FONT) | | |
3684 | (~ wxTEXT_ATTR_TEXT_COLOUR) | | |
3685 | (~ wxTEXT_ATTR_BACKGROUND_COLOUR) ); | |
3686 | attr.SetFlags(flags); | |
3687 | ||
3688 | return attr; | |
3689 | } | |
3690 | else | |
3691 | return wxRichTextAttr(); | |
3692 | } | |
3693 | ||
5d7836c4 JS |
3694 | /// Submit command to delete this range |
3695 | bool wxRichTextBuffer::DeleteRangeWithUndo(const wxRichTextRange& range, long initialCaretPosition, long WXUNUSED(newCaretPositon), wxRichTextCtrl* ctrl) | |
3696 | { | |
3697 | wxRichTextAction* action = new wxRichTextAction(NULL, _("Delete"), wxRICHTEXT_DELETE, this, ctrl); | |
7fe8059f | 3698 | |
5d7836c4 JS |
3699 | action->SetPosition(initialCaretPosition); |
3700 | ||
3701 | // Set the range to delete | |
3702 | action->SetRange(range); | |
7fe8059f | 3703 | |
5d7836c4 JS |
3704 | // Copy the fragment that we'll need to restore in Undo |
3705 | CopyFragment(range, action->GetOldParagraphs()); | |
3706 | ||
3707 | // Special case: if there is only one (non-partial) paragraph, | |
3708 | // we must save the *next* paragraph's style, because that | |
3709 | // is the style we must apply when inserting the content back | |
3710 | // when undoing the delete. (This is because we're merging the | |
3711 | // paragraph with the previous paragraph and throwing away | |
3712 | // the style, and we need to restore it.) | |
3713 | if (!action->GetOldParagraphs().GetPartialParagraph() && action->GetOldParagraphs().GetChildCount() == 1) | |
3714 | { | |
3715 | wxRichTextParagraph* lastPara = GetParagraphAtPosition(range.GetStart()); | |
3716 | if (lastPara) | |
3717 | { | |
3718 | wxRichTextParagraph* nextPara = GetParagraphAtPosition(range.GetEnd()+1); | |
3719 | if (nextPara) | |
3720 | { | |
3721 | wxRichTextParagraph* para = (wxRichTextParagraph*) action->GetOldParagraphs().GetChild(0); | |
3722 | para->SetAttributes(nextPara->GetAttributes()); | |
3723 | } | |
3724 | } | |
3725 | } | |
3726 | ||
3727 | SubmitAction(action); | |
7fe8059f | 3728 | |
5d7836c4 JS |
3729 | return true; |
3730 | } | |
3731 | ||
3732 | /// Collapse undo/redo commands | |
3733 | bool wxRichTextBuffer::BeginBatchUndo(const wxString& cmdName) | |
3734 | { | |
3735 | if (m_batchedCommandDepth == 0) | |
3736 | { | |
3737 | wxASSERT(m_batchedCommand == NULL); | |
3738 | if (m_batchedCommand) | |
3739 | { | |
3740 | GetCommandProcessor()->Submit(m_batchedCommand); | |
3741 | } | |
3742 | m_batchedCommand = new wxRichTextCommand(cmdName); | |
3743 | } | |
3744 | ||
7fe8059f | 3745 | m_batchedCommandDepth ++; |
5d7836c4 JS |
3746 | |
3747 | return true; | |
3748 | } | |
3749 | ||
3750 | /// Collapse undo/redo commands | |
3751 | bool wxRichTextBuffer::EndBatchUndo() | |
3752 | { | |
3753 | m_batchedCommandDepth --; | |
3754 | ||
3755 | wxASSERT(m_batchedCommandDepth >= 0); | |
3756 | wxASSERT(m_batchedCommand != NULL); | |
3757 | ||
3758 | if (m_batchedCommandDepth == 0) | |
3759 | { | |
3760 | GetCommandProcessor()->Submit(m_batchedCommand); | |
3761 | m_batchedCommand = NULL; | |
3762 | } | |
3763 | ||
3764 | return true; | |
3765 | } | |
3766 | ||
3767 | /// Submit immediately, or delay according to whether collapsing is on | |
3768 | bool wxRichTextBuffer::SubmitAction(wxRichTextAction* action) | |
3769 | { | |
3770 | if (BatchingUndo() && m_batchedCommand && !SuppressingUndo()) | |
3771 | m_batchedCommand->AddAction(action); | |
3772 | else | |
3773 | { | |
3774 | wxRichTextCommand* cmd = new wxRichTextCommand(action->GetName()); | |
3775 | cmd->AddAction(action); | |
3776 | ||
3777 | // Only store it if we're not suppressing undo. | |
3778 | return GetCommandProcessor()->Submit(cmd, !SuppressingUndo()); | |
3779 | } | |
3780 | ||
3781 | return true; | |
3782 | } | |
3783 | ||
3784 | /// Begin suppressing undo/redo commands. | |
3785 | bool wxRichTextBuffer::BeginSuppressUndo() | |
3786 | { | |
7fe8059f | 3787 | m_suppressUndo ++; |
5d7836c4 JS |
3788 | |
3789 | return true; | |
3790 | } | |
3791 | ||
3792 | /// End suppressing undo/redo commands. | |
3793 | bool wxRichTextBuffer::EndSuppressUndo() | |
3794 | { | |
7fe8059f | 3795 | m_suppressUndo --; |
5d7836c4 JS |
3796 | |
3797 | return true; | |
3798 | } | |
3799 | ||
3800 | /// Begin using a style | |
3801 | bool wxRichTextBuffer::BeginStyle(const wxTextAttrEx& style) | |
3802 | { | |
3803 | wxTextAttrEx newStyle(GetDefaultStyle()); | |
3804 | ||
3805 | // Save the old default style | |
3806 | m_attributeStack.Append((wxObject*) new wxTextAttrEx(GetDefaultStyle())); | |
3807 | ||
3808 | wxRichTextApplyStyle(newStyle, style); | |
3809 | newStyle.SetFlags(style.GetFlags()|newStyle.GetFlags()); | |
3810 | ||
3811 | SetDefaultStyle(newStyle); | |
3812 | ||
3813 | // wxLogDebug("Default style size = %d", GetDefaultStyle().GetFont().GetPointSize()); | |
3814 | ||
3815 | return true; | |
3816 | } | |
3817 | ||
3818 | /// End the style | |
3819 | bool wxRichTextBuffer::EndStyle() | |
3820 | { | |
63886f6d | 3821 | if (!m_attributeStack.GetFirst()) |
5d7836c4 JS |
3822 | { |
3823 | wxLogDebug(_("Too many EndStyle calls!")); | |
3824 | return false; | |
3825 | } | |
3826 | ||
09f14108 | 3827 | wxList::compatibility_iterator node = m_attributeStack.GetLast(); |
5d7836c4 | 3828 | wxTextAttrEx* attr = (wxTextAttrEx*)node->GetData(); |
9e31a660 | 3829 | m_attributeStack.Erase(node); |
5d7836c4 JS |
3830 | |
3831 | SetDefaultStyle(*attr); | |
3832 | ||
3833 | delete attr; | |
3834 | return true; | |
3835 | } | |
3836 | ||
3837 | /// End all styles | |
3838 | bool wxRichTextBuffer::EndAllStyles() | |
3839 | { | |
3840 | while (m_attributeStack.GetCount() != 0) | |
3841 | EndStyle(); | |
3842 | return true; | |
3843 | } | |
3844 | ||
3845 | /// Clear the style stack | |
3846 | void wxRichTextBuffer::ClearStyleStack() | |
3847 | { | |
09f14108 | 3848 | for (wxList::compatibility_iterator node = m_attributeStack.GetFirst(); node; node = node->GetNext()) |
5d7836c4 JS |
3849 | delete (wxTextAttrEx*) node->GetData(); |
3850 | m_attributeStack.Clear(); | |
3851 | } | |
3852 | ||
3853 | /// Begin using bold | |
3854 | bool wxRichTextBuffer::BeginBold() | |
3855 | { | |
3856 | wxFont font(GetBasicStyle().GetFont()); | |
3857 | font.SetWeight(wxBOLD); | |
3858 | ||
3859 | wxTextAttrEx attr; | |
3860 | attr.SetFont(font,wxTEXT_ATTR_FONT_WEIGHT); | |
7fe8059f | 3861 | |
5d7836c4 JS |
3862 | return BeginStyle(attr); |
3863 | } | |
3864 | ||
3865 | /// Begin using italic | |
3866 | bool wxRichTextBuffer::BeginItalic() | |
3867 | { | |
3868 | wxFont font(GetBasicStyle().GetFont()); | |
3869 | font.SetStyle(wxITALIC); | |
3870 | ||
3871 | wxTextAttrEx attr; | |
3872 | attr.SetFont(font, wxTEXT_ATTR_FONT_ITALIC); | |
7fe8059f | 3873 | |
5d7836c4 JS |
3874 | return BeginStyle(attr); |
3875 | } | |
3876 | ||
3877 | /// Begin using underline | |
3878 | bool wxRichTextBuffer::BeginUnderline() | |
3879 | { | |
3880 | wxFont font(GetBasicStyle().GetFont()); | |
3881 | font.SetUnderlined(true); | |
3882 | ||
3883 | wxTextAttrEx attr; | |
3884 | attr.SetFont(font, wxTEXT_ATTR_FONT_UNDERLINE); | |
7fe8059f | 3885 | |
5d7836c4 JS |
3886 | return BeginStyle(attr); |
3887 | } | |
3888 | ||
3889 | /// Begin using point size | |
3890 | bool wxRichTextBuffer::BeginFontSize(int pointSize) | |
3891 | { | |
3892 | wxFont font(GetBasicStyle().GetFont()); | |
3893 | font.SetPointSize(pointSize); | |
3894 | ||
3895 | wxTextAttrEx attr; | |
3896 | attr.SetFont(font, wxTEXT_ATTR_FONT_SIZE); | |
7fe8059f | 3897 | |
5d7836c4 JS |
3898 | return BeginStyle(attr); |
3899 | } | |
3900 | ||
3901 | /// Begin using this font | |
3902 | bool wxRichTextBuffer::BeginFont(const wxFont& font) | |
3903 | { | |
3904 | wxTextAttrEx attr; | |
3905 | attr.SetFlags(wxTEXT_ATTR_FONT); | |
3906 | attr.SetFont(font); | |
7fe8059f | 3907 | |
5d7836c4 JS |
3908 | return BeginStyle(attr); |
3909 | } | |
3910 | ||
3911 | /// Begin using this colour | |
3912 | bool wxRichTextBuffer::BeginTextColour(const wxColour& colour) | |
3913 | { | |
3914 | wxTextAttrEx attr; | |
3915 | attr.SetFlags(wxTEXT_ATTR_TEXT_COLOUR); | |
3916 | attr.SetTextColour(colour); | |
7fe8059f | 3917 | |
5d7836c4 JS |
3918 | return BeginStyle(attr); |
3919 | } | |
3920 | ||
3921 | /// Begin using alignment | |
3922 | bool wxRichTextBuffer::BeginAlignment(wxTextAttrAlignment alignment) | |
3923 | { | |
3924 | wxTextAttrEx attr; | |
3925 | attr.SetFlags(wxTEXT_ATTR_ALIGNMENT); | |
3926 | attr.SetAlignment(alignment); | |
7fe8059f | 3927 | |
5d7836c4 JS |
3928 | return BeginStyle(attr); |
3929 | } | |
3930 | ||
3931 | /// Begin left indent | |
3932 | bool wxRichTextBuffer::BeginLeftIndent(int leftIndent, int leftSubIndent) | |
3933 | { | |
3934 | wxTextAttrEx attr; | |
3935 | attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT); | |
3936 | attr.SetLeftIndent(leftIndent, leftSubIndent); | |
7fe8059f | 3937 | |
5d7836c4 JS |
3938 | return BeginStyle(attr); |
3939 | } | |
3940 | ||
3941 | /// Begin right indent | |
3942 | bool wxRichTextBuffer::BeginRightIndent(int rightIndent) | |
3943 | { | |
3944 | wxTextAttrEx attr; | |
3945 | attr.SetFlags(wxTEXT_ATTR_RIGHT_INDENT); | |
3946 | attr.SetRightIndent(rightIndent); | |
7fe8059f | 3947 | |
5d7836c4 JS |
3948 | return BeginStyle(attr); |
3949 | } | |
3950 | ||
3951 | /// Begin paragraph spacing | |
3952 | bool wxRichTextBuffer::BeginParagraphSpacing(int before, int after) | |
3953 | { | |
3954 | long flags = 0; | |
3955 | if (before != 0) | |
3956 | flags |= wxTEXT_ATTR_PARA_SPACING_BEFORE; | |
3957 | if (after != 0) | |
3958 | flags |= wxTEXT_ATTR_PARA_SPACING_AFTER; | |
3959 | ||
3960 | wxTextAttrEx attr; | |
3961 | attr.SetFlags(flags); | |
3962 | attr.SetParagraphSpacingBefore(before); | |
3963 | attr.SetParagraphSpacingAfter(after); | |
7fe8059f | 3964 | |
5d7836c4 JS |
3965 | return BeginStyle(attr); |
3966 | } | |
3967 | ||
3968 | /// Begin line spacing | |
3969 | bool wxRichTextBuffer::BeginLineSpacing(int lineSpacing) | |
3970 | { | |
3971 | wxTextAttrEx attr; | |
3972 | attr.SetFlags(wxTEXT_ATTR_LINE_SPACING); | |
3973 | attr.SetLineSpacing(lineSpacing); | |
7fe8059f | 3974 | |
5d7836c4 JS |
3975 | return BeginStyle(attr); |
3976 | } | |
3977 | ||
3978 | /// Begin numbered bullet | |
3979 | bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle) | |
3980 | { | |
3981 | wxTextAttrEx attr; | |
3982 | attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER|wxTEXT_ATTR_LEFT_INDENT); | |
3983 | attr.SetBulletStyle(bulletStyle); | |
3984 | attr.SetBulletNumber(bulletNumber); | |
3985 | attr.SetLeftIndent(leftIndent, leftSubIndent); | |
7fe8059f | 3986 | |
5d7836c4 JS |
3987 | return BeginStyle(attr); |
3988 | } | |
3989 | ||
3990 | /// Begin symbol bullet | |
3991 | bool wxRichTextBuffer::BeginSymbolBullet(wxChar symbol, int leftIndent, int leftSubIndent, int bulletStyle) | |
3992 | { | |
3993 | wxTextAttrEx attr; | |
3994 | attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_SYMBOL|wxTEXT_ATTR_LEFT_INDENT); | |
3995 | attr.SetBulletStyle(bulletStyle); | |
3996 | attr.SetLeftIndent(leftIndent, leftSubIndent); | |
3997 | attr.SetBulletSymbol(symbol); | |
7fe8059f | 3998 | |
5d7836c4 JS |
3999 | return BeginStyle(attr); |
4000 | } | |
4001 | ||
4002 | /// Begin named character style | |
4003 | bool wxRichTextBuffer::BeginCharacterStyle(const wxString& characterStyle) | |
4004 | { | |
4005 | if (GetStyleSheet()) | |
4006 | { | |
4007 | wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle); | |
4008 | if (def) | |
4009 | { | |
4010 | wxTextAttrEx attr; | |
4011 | def->GetStyle().CopyTo(attr); | |
4012 | return BeginStyle(attr); | |
4013 | } | |
4014 | } | |
4015 | return false; | |
4016 | } | |
4017 | ||
4018 | /// Begin named paragraph style | |
4019 | bool wxRichTextBuffer::BeginParagraphStyle(const wxString& paragraphStyle) | |
4020 | { | |
4021 | if (GetStyleSheet()) | |
4022 | { | |
4023 | wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(paragraphStyle); | |
4024 | if (def) | |
4025 | { | |
4026 | wxTextAttrEx attr; | |
4027 | def->GetStyle().CopyTo(attr); | |
4028 | return BeginStyle(attr); | |
4029 | } | |
4030 | } | |
4031 | return false; | |
4032 | } | |
4033 | ||
4034 | /// Adds a handler to the end | |
4035 | void wxRichTextBuffer::AddHandler(wxRichTextFileHandler *handler) | |
4036 | { | |
4037 | sm_handlers.Append(handler); | |
4038 | } | |
4039 | ||
4040 | /// Inserts a handler at the front | |
4041 | void wxRichTextBuffer::InsertHandler(wxRichTextFileHandler *handler) | |
4042 | { | |
4043 | sm_handlers.Insert( handler ); | |
4044 | } | |
4045 | ||
4046 | /// Removes a handler | |
4047 | bool wxRichTextBuffer::RemoveHandler(const wxString& name) | |
4048 | { | |
4049 | wxRichTextFileHandler *handler = FindHandler(name); | |
4050 | if (handler) | |
4051 | { | |
4052 | sm_handlers.DeleteObject(handler); | |
4053 | delete handler; | |
4054 | return true; | |
4055 | } | |
4056 | else | |
4057 | return false; | |
4058 | } | |
4059 | ||
4060 | /// Finds a handler by filename or, if supplied, type | |
4061 | wxRichTextFileHandler *wxRichTextBuffer::FindHandlerFilenameOrType(const wxString& filename, int imageType) | |
4062 | { | |
4063 | if (imageType != wxRICHTEXT_TYPE_ANY) | |
4064 | return FindHandler(imageType); | |
4065 | else | |
4066 | { | |
4067 | wxString path, file, ext; | |
4068 | wxSplitPath(filename, & path, & file, & ext); | |
4069 | return FindHandler(ext, imageType); | |
4070 | } | |
4071 | } | |
4072 | ||
4073 | ||
4074 | /// Finds a handler by name | |
4075 | wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& name) | |
4076 | { | |
4077 | wxList::compatibility_iterator node = sm_handlers.GetFirst(); | |
4078 | while (node) | |
4079 | { | |
4080 | wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData(); | |
4081 | if (handler->GetName().Lower() == name.Lower()) return handler; | |
4082 | ||
4083 | node = node->GetNext(); | |
4084 | } | |
4085 | return NULL; | |
4086 | } | |
4087 | ||
4088 | /// Finds a handler by extension and type | |
4089 | wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& extension, int type) | |
4090 | { | |
4091 | wxList::compatibility_iterator node = sm_handlers.GetFirst(); | |
4092 | while (node) | |
4093 | { | |
4094 | wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData(); | |
4095 | if ( handler->GetExtension().Lower() == extension.Lower() && | |
4096 | (type == wxRICHTEXT_TYPE_ANY || handler->GetType() == type) ) | |
4097 | return handler; | |
4098 | node = node->GetNext(); | |
4099 | } | |
4100 | return 0; | |
4101 | } | |
4102 | ||
4103 | /// Finds a handler by type | |
4104 | wxRichTextFileHandler* wxRichTextBuffer::FindHandler(int type) | |
4105 | { | |
4106 | wxList::compatibility_iterator node = sm_handlers.GetFirst(); | |
4107 | while (node) | |
4108 | { | |
4109 | wxRichTextFileHandler *handler = (wxRichTextFileHandler *)node->GetData(); | |
4110 | if (handler->GetType() == type) return handler; | |
4111 | node = node->GetNext(); | |
4112 | } | |
4113 | return NULL; | |
4114 | } | |
4115 | ||
4116 | void wxRichTextBuffer::InitStandardHandlers() | |
4117 | { | |
4118 | if (!FindHandler(wxRICHTEXT_TYPE_TEXT)) | |
4119 | AddHandler(new wxRichTextPlainTextHandler); | |
4120 | } | |
4121 | ||
4122 | void wxRichTextBuffer::CleanUpHandlers() | |
4123 | { | |
4124 | wxList::compatibility_iterator node = sm_handlers.GetFirst(); | |
4125 | while (node) | |
4126 | { | |
4127 | wxRichTextFileHandler* handler = (wxRichTextFileHandler*)node->GetData(); | |
4128 | wxList::compatibility_iterator next = node->GetNext(); | |
4129 | delete handler; | |
4130 | node = next; | |
4131 | } | |
4132 | ||
4133 | sm_handlers.Clear(); | |
4134 | } | |
4135 | ||
1e967276 | 4136 | wxString wxRichTextBuffer::GetExtWildcard(bool combine, bool save, wxArrayInt* types) |
5d7836c4 | 4137 | { |
1e967276 JS |
4138 | if (types) |
4139 | types->Clear(); | |
4140 | ||
5d7836c4 JS |
4141 | wxString wildcard; |
4142 | ||
4143 | wxList::compatibility_iterator node = GetHandlers().GetFirst(); | |
4144 | int count = 0; | |
4145 | while (node) | |
4146 | { | |
4147 | wxRichTextFileHandler* handler = (wxRichTextFileHandler*) node->GetData(); | |
4148 | if (handler->IsVisible() && ((save && handler->CanSave()) || !save && handler->CanLoad())) | |
4149 | { | |
4150 | if (combine) | |
4151 | { | |
4152 | if (count > 0) | |
4153 | wildcard += wxT(";"); | |
4154 | wildcard += wxT("*.") + handler->GetExtension(); | |
4155 | } | |
4156 | else | |
4157 | { | |
4158 | if (count > 0) | |
4159 | wildcard += wxT("|"); | |
4160 | wildcard += handler->GetName(); | |
4161 | wildcard += wxT(" "); | |
4162 | wildcard += _("files"); | |
4163 | wildcard += wxT(" (*."); | |
4164 | wildcard += handler->GetExtension(); | |
4165 | wildcard += wxT(")|*."); | |
4166 | wildcard += handler->GetExtension(); | |
1e967276 JS |
4167 | if (types) |
4168 | types->Add(handler->GetType()); | |
5d7836c4 JS |
4169 | } |
4170 | count ++; | |
4171 | } | |
4172 | ||
4173 | node = node->GetNext(); | |
4174 | } | |
4175 | ||
4176 | if (combine) | |
4177 | wildcard = wxT("(") + wildcard + wxT(")|") + wildcard; | |
4178 | return wildcard; | |
4179 | } | |
4180 | ||
4181 | /// Load a file | |
4182 | bool wxRichTextBuffer::LoadFile(const wxString& filename, int type) | |
4183 | { | |
4184 | wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type); | |
4185 | if (handler) | |
1e967276 JS |
4186 | { |
4187 | SetDefaultStyle(wxTextAttrEx()); | |
4188 | ||
4189 | bool success = handler->LoadFile(this, filename); | |
4190 | Invalidate(wxRICHTEXT_ALL); | |
4191 | return success; | |
4192 | } | |
5d7836c4 JS |
4193 | else |
4194 | return false; | |
4195 | } | |
4196 | ||
4197 | /// Save a file | |
4198 | bool wxRichTextBuffer::SaveFile(const wxString& filename, int type) | |
4199 | { | |
4200 | wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type); | |
4201 | if (handler) | |
4202 | return handler->SaveFile(this, filename); | |
4203 | else | |
4204 | return false; | |
4205 | } | |
4206 | ||
4207 | /// Load from a stream | |
4208 | bool wxRichTextBuffer::LoadFile(wxInputStream& stream, int type) | |
4209 | { | |
4210 | wxRichTextFileHandler* handler = FindHandler(type); | |
4211 | if (handler) | |
1e967276 JS |
4212 | { |
4213 | SetDefaultStyle(wxTextAttrEx()); | |
4214 | bool success = handler->LoadFile(this, stream); | |
4215 | Invalidate(wxRICHTEXT_ALL); | |
4216 | return success; | |
4217 | } | |
5d7836c4 JS |
4218 | else |
4219 | return false; | |
4220 | } | |
4221 | ||
4222 | /// Save to a stream | |
4223 | bool wxRichTextBuffer::SaveFile(wxOutputStream& stream, int type) | |
4224 | { | |
4225 | wxRichTextFileHandler* handler = FindHandler(type); | |
4226 | if (handler) | |
4227 | return handler->SaveFile(this, stream); | |
4228 | else | |
4229 | return false; | |
4230 | } | |
4231 | ||
4232 | /// Copy the range to the clipboard | |
4233 | bool wxRichTextBuffer::CopyToClipboard(const wxRichTextRange& range) | |
4234 | { | |
4235 | bool success = false; | |
11ef729d | 4236 | #if wxUSE_CLIPBOARD && wxUSE_DATAOBJ |
5d7836c4 | 4237 | wxString text = GetTextForRange(range); |
d2142335 | 4238 | if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open()) |
7fe8059f | 4239 | { |
5d7836c4 JS |
4240 | success = wxTheClipboard->SetData(new wxTextDataObject(text)); |
4241 | wxTheClipboard->Close(); | |
4242 | } | |
39a1c2f2 WS |
4243 | #else |
4244 | wxUnusedVar(range); | |
4245 | #endif | |
5d7836c4 JS |
4246 | return success; |
4247 | } | |
4248 | ||
4249 | /// Paste the clipboard content to the buffer | |
4250 | bool wxRichTextBuffer::PasteFromClipboard(long position) | |
4251 | { | |
4252 | bool success = false; | |
11ef729d | 4253 | #if wxUSE_CLIPBOARD && wxUSE_DATAOBJ |
5d7836c4 JS |
4254 | if (CanPasteFromClipboard()) |
4255 | { | |
4256 | if (wxTheClipboard->Open()) | |
4257 | { | |
4258 | if (wxTheClipboard->IsSupported(wxDF_TEXT)) | |
4259 | { | |
4260 | wxTextDataObject data; | |
4261 | wxTheClipboard->GetData(data); | |
4262 | wxString text(data.GetText()); | |
d5363f57 | 4263 | text.Replace(_T("\r\n"), _T("\n")); |
5d7836c4 JS |
4264 | |
4265 | InsertTextWithUndo(position+1, text, GetRichTextCtrl()); | |
7fe8059f | 4266 | |
5d7836c4 JS |
4267 | success = true; |
4268 | } | |
4269 | else if (wxTheClipboard->IsSupported(wxDF_BITMAP)) | |
4270 | { | |
4271 | wxBitmapDataObject data; | |
4272 | wxTheClipboard->GetData(data); | |
4273 | wxBitmap bitmap(data.GetBitmap()); | |
4274 | wxImage image(bitmap.ConvertToImage()); | |
4275 | ||
4276 | wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, GetRichTextCtrl(), false); | |
7fe8059f | 4277 | |
5d7836c4 JS |
4278 | action->GetNewParagraphs().AddImage(image); |
4279 | ||
4280 | if (action->GetNewParagraphs().GetChildCount() == 1) | |
4281 | action->GetNewParagraphs().SetPartialParagraph(true); | |
7fe8059f | 4282 | |
5d7836c4 | 4283 | action->SetPosition(position); |
7fe8059f | 4284 | |
5d7836c4 JS |
4285 | // Set the range we'll need to delete in Undo |
4286 | action->SetRange(wxRichTextRange(position, position)); | |
7fe8059f | 4287 | |
5d7836c4 JS |
4288 | SubmitAction(action); |
4289 | ||
4290 | success = true; | |
4291 | } | |
4292 | wxTheClipboard->Close(); | |
4293 | } | |
4294 | } | |
39a1c2f2 WS |
4295 | #else |
4296 | wxUnusedVar(position); | |
4297 | #endif | |
5d7836c4 JS |
4298 | return success; |
4299 | } | |
4300 | ||
4301 | /// Can we paste from the clipboard? | |
4302 | bool wxRichTextBuffer::CanPasteFromClipboard() const | |
4303 | { | |
7fe8059f | 4304 | bool canPaste = false; |
11ef729d | 4305 | #if wxUSE_CLIPBOARD && wxUSE_DATAOBJ |
d2142335 | 4306 | if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open()) |
5d7836c4 JS |
4307 | { |
4308 | if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_BITMAP)) | |
4309 | { | |
7fe8059f | 4310 | canPaste = true; |
5d7836c4 JS |
4311 | } |
4312 | wxTheClipboard->Close(); | |
4313 | } | |
39a1c2f2 | 4314 | #endif |
5d7836c4 JS |
4315 | return canPaste; |
4316 | } | |
4317 | ||
4318 | /// Dumps contents of buffer for debugging purposes | |
4319 | void wxRichTextBuffer::Dump() | |
4320 | { | |
4321 | wxString text; | |
4322 | { | |
4323 | wxStringOutputStream stream(& text); | |
4324 | wxTextOutputStream textStream(stream); | |
4325 | Dump(textStream); | |
4326 | } | |
4327 | ||
4328 | wxLogDebug(text); | |
4329 | } | |
4330 | ||
4331 | ||
4332 | /* | |
4333 | * Module to initialise and clean up handlers | |
4334 | */ | |
4335 | ||
4336 | class wxRichTextModule: public wxModule | |
4337 | { | |
4338 | DECLARE_DYNAMIC_CLASS(wxRichTextModule) | |
4339 | public: | |
4340 | wxRichTextModule() {} | |
4341 | bool OnInit() { wxRichTextBuffer::InitStandardHandlers(); return true; }; | |
4342 | void OnExit() { wxRichTextBuffer::CleanUpHandlers(); }; | |
4343 | }; | |
4344 | ||
4345 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule) | |
4346 | ||
4347 | ||
4348 | /*! | |
4349 | * Commands for undo/redo | |
4350 | * | |
4351 | */ | |
4352 | ||
4353 | wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer, | |
7fe8059f | 4354 | wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name) |
5d7836c4 JS |
4355 | { |
4356 | /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, ctrl, ignoreFirstTime); | |
4357 | } | |
4358 | ||
7fe8059f | 4359 | wxRichTextCommand::wxRichTextCommand(const wxString& name): wxCommand(true, name) |
5d7836c4 JS |
4360 | { |
4361 | } | |
4362 | ||
4363 | wxRichTextCommand::~wxRichTextCommand() | |
4364 | { | |
4365 | ClearActions(); | |
4366 | } | |
4367 | ||
4368 | void wxRichTextCommand::AddAction(wxRichTextAction* action) | |
4369 | { | |
4370 | if (!m_actions.Member(action)) | |
4371 | m_actions.Append(action); | |
4372 | } | |
4373 | ||
4374 | bool wxRichTextCommand::Do() | |
4375 | { | |
09f14108 | 4376 | for (wxList::compatibility_iterator node = m_actions.GetFirst(); node; node = node->GetNext()) |
5d7836c4 JS |
4377 | { |
4378 | wxRichTextAction* action = (wxRichTextAction*) node->GetData(); | |
4379 | action->Do(); | |
4380 | } | |
4381 | ||
4382 | return true; | |
4383 | } | |
4384 | ||
4385 | bool wxRichTextCommand::Undo() | |
4386 | { | |
09f14108 | 4387 | for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious()) |
5d7836c4 JS |
4388 | { |
4389 | wxRichTextAction* action = (wxRichTextAction*) node->GetData(); | |
4390 | action->Undo(); | |
4391 | } | |
4392 | ||
4393 | return true; | |
4394 | } | |
4395 | ||
4396 | void wxRichTextCommand::ClearActions() | |
4397 | { | |
4398 | WX_CLEAR_LIST(wxList, m_actions); | |
4399 | } | |
4400 | ||
4401 | /*! | |
4402 | * Individual action | |
4403 | * | |
4404 | */ | |
4405 | ||
4406 | wxRichTextAction::wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer, | |
4407 | wxRichTextCtrl* ctrl, bool ignoreFirstTime) | |
4408 | { | |
4409 | m_buffer = buffer; | |
4410 | m_ignoreThis = ignoreFirstTime; | |
4411 | m_cmdId = id; | |
4412 | m_position = -1; | |
4413 | m_ctrl = ctrl; | |
4414 | m_name = name; | |
4415 | m_newParagraphs.SetDefaultStyle(buffer->GetDefaultStyle()); | |
4416 | m_newParagraphs.SetBasicStyle(buffer->GetBasicStyle()); | |
4417 | if (cmd) | |
4418 | cmd->AddAction(this); | |
4419 | } | |
4420 | ||
4421 | wxRichTextAction::~wxRichTextAction() | |
4422 | { | |
4423 | } | |
4424 | ||
4425 | bool wxRichTextAction::Do() | |
4426 | { | |
4427 | m_buffer->Modify(true); | |
4428 | ||
4429 | switch (m_cmdId) | |
4430 | { | |
4431 | case wxRICHTEXT_INSERT: | |
4432 | { | |
4433 | m_buffer->InsertFragment(GetPosition(), m_newParagraphs); | |
4434 | m_buffer->UpdateRanges(); | |
1e967276 | 4435 | m_buffer->Invalidate(GetRange()); |
5d7836c4 JS |
4436 | |
4437 | long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength() - 1; | |
4438 | if (m_newParagraphs.GetPartialParagraph()) | |
4439 | newCaretPosition --; | |
4440 | ||
4441 | UpdateAppearance(newCaretPosition, true /* send update event */); | |
4442 | ||
4443 | break; | |
4444 | } | |
4445 | case wxRICHTEXT_DELETE: | |
4446 | { | |
4447 | m_buffer->DeleteRange(GetRange()); | |
4448 | m_buffer->UpdateRanges(); | |
1e967276 | 4449 | m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart())); |
5d7836c4 JS |
4450 | |
4451 | UpdateAppearance(GetRange().GetStart()-1, true /* send update event */); | |
4452 | ||
4453 | break; | |
4454 | } | |
4455 | case wxRICHTEXT_CHANGE_STYLE: | |
4456 | { | |
4457 | ApplyParagraphs(GetNewParagraphs()); | |
1e967276 | 4458 | m_buffer->Invalidate(GetRange()); |
5d7836c4 JS |
4459 | |
4460 | UpdateAppearance(GetPosition()); | |
4461 | ||
4462 | break; | |
4463 | } | |
4464 | default: | |
4465 | break; | |
4466 | } | |
4467 | ||
4468 | return true; | |
4469 | } | |
4470 | ||
4471 | bool wxRichTextAction::Undo() | |
4472 | { | |
4473 | m_buffer->Modify(true); | |
4474 | ||
4475 | switch (m_cmdId) | |
4476 | { | |
4477 | case wxRICHTEXT_INSERT: | |
4478 | { | |
4479 | m_buffer->DeleteRange(GetRange()); | |
4480 | m_buffer->UpdateRanges(); | |
1e967276 | 4481 | m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart())); |
5d7836c4 JS |
4482 | |
4483 | long newCaretPosition = GetPosition() - 1; | |
4484 | // if (m_newParagraphs.GetPartialParagraph()) | |
4485 | // newCaretPosition --; | |
4486 | ||
4487 | UpdateAppearance(newCaretPosition, true /* send update event */); | |
4488 | ||
4489 | break; | |
4490 | } | |
4491 | case wxRICHTEXT_DELETE: | |
4492 | { | |
4493 | m_buffer->InsertFragment(GetRange().GetStart(), m_oldParagraphs); | |
4494 | m_buffer->UpdateRanges(); | |
1e967276 | 4495 | m_buffer->Invalidate(GetRange()); |
5d7836c4 JS |
4496 | |
4497 | UpdateAppearance(GetPosition(), true /* send update event */); | |
4498 | ||
4499 | break; | |
4500 | } | |
4501 | case wxRICHTEXT_CHANGE_STYLE: | |
4502 | { | |
4503 | ApplyParagraphs(GetOldParagraphs()); | |
1e967276 | 4504 | m_buffer->Invalidate(GetRange()); |
5d7836c4 JS |
4505 | |
4506 | UpdateAppearance(GetPosition()); | |
4507 | ||
4508 | break; | |
4509 | } | |
4510 | default: | |
4511 | break; | |
4512 | } | |
4513 | ||
4514 | return true; | |
4515 | } | |
4516 | ||
4517 | /// Update the control appearance | |
4518 | void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent) | |
4519 | { | |
4520 | if (m_ctrl) | |
4521 | { | |
4522 | m_ctrl->SetCaretPosition(caretPosition); | |
4523 | if (!m_ctrl->IsFrozen()) | |
4524 | { | |
2f36e8dc | 4525 | m_ctrl->LayoutContent(); |
5d7836c4 | 4526 | m_ctrl->PositionCaret(); |
76bcd815 | 4527 | m_ctrl->Refresh(false); |
5d7836c4 JS |
4528 | |
4529 | if (sendUpdateEvent) | |
4530 | m_ctrl->SendUpdateEvent(); | |
4531 | } | |
7fe8059f | 4532 | } |
5d7836c4 JS |
4533 | } |
4534 | ||
4535 | /// Replace the buffer paragraphs with the new ones. | |
4536 | void wxRichTextAction::ApplyParagraphs(const wxRichTextFragment& fragment) | |
4537 | { | |
4538 | wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst(); | |
4539 | while (node) | |
4540 | { | |
4541 | wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); | |
4542 | wxASSERT (para != NULL); | |
4543 | ||
4544 | // We'll replace the existing paragraph by finding the paragraph at this position, | |
4545 | // delete its node data, and setting a copy as the new node data. | |
4546 | // TODO: make more efficient by simply swapping old and new paragraph objects. | |
4547 | ||
4548 | wxRichTextParagraph* existingPara = m_buffer->GetParagraphAtPosition(para->GetRange().GetStart()); | |
4549 | if (existingPara) | |
4550 | { | |
4551 | wxRichTextObjectList::compatibility_iterator bufferParaNode = m_buffer->GetChildren().Find(existingPara); | |
4552 | if (bufferParaNode) | |
4553 | { | |
4554 | wxRichTextParagraph* newPara = new wxRichTextParagraph(*para); | |
4555 | newPara->SetParent(m_buffer); | |
4556 | ||
4557 | bufferParaNode->SetData(newPara); | |
4558 | ||
4559 | delete existingPara; | |
4560 | } | |
4561 | } | |
4562 | ||
4563 | node = node->GetNext(); | |
4564 | } | |
4565 | } | |
4566 | ||
4567 | ||
4568 | /*! | |
4569 | * wxRichTextRange | |
4570 | * This stores beginning and end positions for a range of data. | |
4571 | */ | |
4572 | ||
4573 | /// Limit this range to be within 'range' | |
4574 | bool wxRichTextRange::LimitTo(const wxRichTextRange& range) | |
4575 | { | |
4576 | if (m_start < range.m_start) | |
4577 | m_start = range.m_start; | |
4578 | ||
4579 | if (m_end > range.m_end) | |
4580 | m_end = range.m_end; | |
4581 | ||
4582 | return true; | |
4583 | } | |
4584 | ||
4585 | /*! | |
4586 | * wxRichTextImage implementation | |
4587 | * This object represents an image. | |
4588 | */ | |
4589 | ||
4590 | IMPLEMENT_DYNAMIC_CLASS(wxRichTextImage, wxRichTextObject) | |
4591 | ||
4592 | wxRichTextImage::wxRichTextImage(const wxImage& image, wxRichTextObject* parent): | |
4593 | wxRichTextObject(parent) | |
4594 | { | |
4595 | m_image = image; | |
4596 | } | |
4597 | ||
4598 | wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent): | |
4599 | wxRichTextObject(parent) | |
4600 | { | |
4601 | m_imageBlock = imageBlock; | |
4602 | m_imageBlock.Load(m_image); | |
4603 | } | |
4604 | ||
4605 | /// Load wxImage from the block | |
4606 | bool wxRichTextImage::LoadFromBlock() | |
4607 | { | |
4608 | m_imageBlock.Load(m_image); | |
4609 | return m_imageBlock.Ok(); | |
4610 | } | |
4611 | ||
4612 | /// Make block from the wxImage | |
4613 | bool wxRichTextImage::MakeBlock() | |
4614 | { | |
4615 | if (m_imageBlock.GetImageType() == wxBITMAP_TYPE_ANY || m_imageBlock.GetImageType() == -1) | |
4616 | m_imageBlock.SetImageType(wxBITMAP_TYPE_PNG); | |
4617 | ||
4618 | m_imageBlock.MakeImageBlock(m_image, m_imageBlock.GetImageType()); | |
4619 | return m_imageBlock.Ok(); | |
4620 | } | |
4621 | ||
4622 | ||
4623 | /// Draw the item | |
4624 | bool wxRichTextImage::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int WXUNUSED(descent), int WXUNUSED(style)) | |
4625 | { | |
4626 | if (!m_image.Ok() && m_imageBlock.Ok()) | |
4627 | LoadFromBlock(); | |
4628 | ||
4629 | if (!m_image.Ok()) | |
4630 | return false; | |
4631 | ||
4632 | if (m_image.Ok() && !m_bitmap.Ok()) | |
4633 | m_bitmap = wxBitmap(m_image); | |
4634 | ||
4635 | int y = rect.y + (rect.height - m_image.GetHeight()); | |
4636 | ||
4637 | if (m_bitmap.Ok()) | |
4638 | dc.DrawBitmap(m_bitmap, rect.x, y, true); | |
4639 | ||
4640 | if (selectionRange.Contains(range.GetStart())) | |
4641 | { | |
4642 | dc.SetBrush(*wxBLACK_BRUSH); | |
4643 | dc.SetPen(*wxBLACK_PEN); | |
4644 | dc.SetLogicalFunction(wxINVERT); | |
4645 | dc.DrawRectangle(rect); | |
4646 | dc.SetLogicalFunction(wxCOPY); | |
4647 | } | |
4648 | ||
4649 | return true; | |
4650 | } | |
4651 | ||
4652 | /// Lay the item out | |
38113684 | 4653 | bool wxRichTextImage::Layout(wxDC& WXUNUSED(dc), const wxRect& rect, int WXUNUSED(style)) |
5d7836c4 JS |
4654 | { |
4655 | if (!m_image.Ok()) | |
4656 | LoadFromBlock(); | |
4657 | ||
4658 | if (m_image.Ok()) | |
4659 | { | |
4660 | SetCachedSize(wxSize(m_image.GetWidth(), m_image.GetHeight())); | |
4661 | SetPosition(rect.GetPosition()); | |
4662 | } | |
4663 | ||
4664 | return true; | |
4665 | } | |
4666 | ||
4667 | /// Get/set the object size for the given range. Returns false if the range | |
4668 | /// is invalid for this object. | |
7f0d9d71 | 4669 | bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& WXUNUSED(dc), int WXUNUSED(flags), wxPoint WXUNUSED(position)) const |
5d7836c4 JS |
4670 | { |
4671 | if (!range.IsWithin(GetRange())) | |
4672 | return false; | |
4673 | ||
4674 | if (!m_image.Ok()) | |
4675 | return false; | |
4676 | ||
4677 | size.x = m_image.GetWidth(); | |
4678 | size.y = m_image.GetHeight(); | |
4679 | ||
4680 | return true; | |
4681 | } | |
4682 | ||
4683 | /// Copy | |
4684 | void wxRichTextImage::Copy(const wxRichTextImage& obj) | |
4685 | { | |
4686 | m_image = obj.m_image; | |
4687 | m_imageBlock = obj.m_imageBlock; | |
4688 | } | |
4689 | ||
4690 | /*! | |
4691 | * Utilities | |
4692 | * | |
4693 | */ | |
4694 | ||
4695 | /// Compare two attribute objects | |
4696 | bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2) | |
4697 | { | |
4698 | return ( | |
4699 | attr1.GetTextColour() == attr2.GetTextColour() && | |
4700 | attr1.GetBackgroundColour() == attr2.GetBackgroundColour() && | |
4701 | attr1.GetFont() == attr2.GetFont() && | |
4702 | attr1.GetAlignment() == attr2.GetAlignment() && | |
4703 | attr1.GetLeftIndent() == attr2.GetLeftIndent() && | |
4704 | attr1.GetRightIndent() == attr2.GetRightIndent() && | |
4705 | attr1.GetLeftSubIndent() == attr2.GetLeftSubIndent() && | |
4706 | attr1.GetTabs().GetCount() == attr2.GetTabs().GetCount() && // heuristic | |
4707 | attr1.GetLineSpacing() == attr2.GetLineSpacing() && | |
4708 | attr1.GetParagraphSpacingAfter() == attr2.GetParagraphSpacingAfter() && | |
4709 | attr1.GetParagraphSpacingBefore() == attr2.GetParagraphSpacingBefore() && | |
4710 | attr1.GetBulletStyle() == attr2.GetBulletStyle() && | |
4711 | attr1.GetBulletNumber() == attr2.GetBulletNumber() && | |
4712 | attr1.GetBulletSymbol() == attr2.GetBulletSymbol() && | |
4713 | attr1.GetCharacterStyleName() == attr2.GetCharacterStyleName() && | |
4714 | attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName()); | |
4715 | } | |
4716 | ||
4717 | bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2) | |
4718 | { | |
4719 | return ( | |
4720 | attr1.GetTextColour() == attr2.GetTextColour() && | |
4721 | attr1.GetBackgroundColour() == attr2.GetBackgroundColour() && | |
4722 | attr1.GetFont().GetPointSize() == attr2.GetFontSize() && | |
4723 | attr1.GetFont().GetStyle() == attr2.GetFontStyle() && | |
4724 | attr1.GetFont().GetWeight() == attr2.GetFontWeight() && | |
4725 | attr1.GetFont().GetFaceName() == attr2.GetFontFaceName() && | |
4726 | attr1.GetFont().GetUnderlined() == attr2.GetFontUnderlined() && | |
4727 | attr1.GetAlignment() == attr2.GetAlignment() && | |
4728 | attr1.GetLeftIndent() == attr2.GetLeftIndent() && | |
4729 | attr1.GetRightIndent() == attr2.GetRightIndent() && | |
4730 | attr1.GetLeftSubIndent() == attr2.GetLeftSubIndent() && | |
4731 | attr1.GetTabs().GetCount() == attr2.GetTabs().GetCount() && // heuristic | |
4732 | attr1.GetLineSpacing() == attr2.GetLineSpacing() && | |
4733 | attr1.GetParagraphSpacingAfter() == attr2.GetParagraphSpacingAfter() && | |
4734 | attr1.GetParagraphSpacingBefore() == attr2.GetParagraphSpacingBefore() && | |
4735 | attr1.GetBulletStyle() == attr2.GetBulletStyle() && | |
4736 | attr1.GetBulletNumber() == attr2.GetBulletNumber() && | |
4737 | attr1.GetBulletSymbol() == attr2.GetBulletSymbol() && | |
4738 | attr1.GetCharacterStyleName() == attr2.GetCharacterStyleName() && | |
4739 | attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName()); | |
4740 | } | |
4741 | ||
4742 | /// Compare two attribute objects, but take into account the flags | |
4743 | /// specifying attributes of interest. | |
4744 | bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2, int flags) | |
4745 | { | |
4746 | if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && attr1.GetTextColour() != attr2.GetTextColour()) | |
4747 | return false; | |
4748 | ||
4749 | if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && attr1.GetBackgroundColour() != attr2.GetBackgroundColour()) | |
4750 | return false; | |
4751 | ||
4752 | if ((flags & wxTEXT_ATTR_FONT_FACE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && | |
4753 | attr1.GetFont().GetFaceName() != attr2.GetFont().GetFaceName()) | |
4754 | return false; | |
4755 | ||
4756 | if ((flags & wxTEXT_ATTR_FONT_SIZE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && | |
4757 | attr1.GetFont().GetPointSize() != attr2.GetFont().GetPointSize()) | |
4758 | return false; | |
4759 | ||
4760 | if ((flags & wxTEXT_ATTR_FONT_WEIGHT) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && | |
4761 | attr1.GetFont().GetWeight() != attr2.GetFont().GetWeight()) | |
4762 | return false; | |
4763 | ||
4764 | if ((flags & wxTEXT_ATTR_FONT_ITALIC) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && | |
4765 | attr1.GetFont().GetStyle() != attr2.GetFont().GetStyle()) | |
4766 | return false; | |
4767 | ||
4768 | if ((flags & wxTEXT_ATTR_FONT_UNDERLINE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && | |
4769 | attr1.GetFont().GetUnderlined() != attr2.GetFont().GetUnderlined()) | |
4770 | return false; | |
4771 | ||
4772 | if ((flags & wxTEXT_ATTR_ALIGNMENT) && attr1.GetAlignment() != attr2.GetAlignment()) | |
4773 | return false; | |
4774 | ||
4775 | if ((flags & wxTEXT_ATTR_LEFT_INDENT) && | |
4776 | ((attr1.GetLeftIndent() != attr2.GetLeftIndent()) || (attr1.GetLeftSubIndent() != attr2.GetLeftSubIndent()))) | |
4777 | return false; | |
4778 | ||
4779 | if ((flags & wxTEXT_ATTR_RIGHT_INDENT) && | |
4780 | (attr1.GetRightIndent() != attr2.GetRightIndent())) | |
4781 | return false; | |
4782 | ||
4d551ad5 | 4783 | if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) && |
5d7836c4 JS |
4784 | (attr1.GetParagraphSpacingAfter() != attr2.GetParagraphSpacingAfter())) |
4785 | return false; | |
4786 | ||
4d551ad5 | 4787 | if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) && |
5d7836c4 JS |
4788 | (attr1.GetParagraphSpacingBefore() != attr2.GetParagraphSpacingBefore())) |
4789 | return false; | |
4790 | ||
4d551ad5 | 4791 | if ((flags & wxTEXT_ATTR_LINE_SPACING) && |
5d7836c4 JS |
4792 | (attr1.GetLineSpacing() != attr2.GetLineSpacing())) |
4793 | return false; | |
4794 | ||
4d551ad5 | 4795 | if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) && |
5d7836c4 JS |
4796 | (attr1.GetCharacterStyleName() != attr2.GetCharacterStyleName())) |
4797 | return false; | |
4798 | ||
4d551ad5 | 4799 | if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) && |
5d7836c4 JS |
4800 | (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName())) |
4801 | return false; | |
4802 | ||
4803 | if ((flags & wxTEXT_ATTR_BULLET_STYLE) && | |
4804 | (attr1.GetBulletStyle() != attr2.GetBulletStyle())) | |
4805 | return false; | |
4806 | ||
4807 | if ((flags & wxTEXT_ATTR_BULLET_NUMBER) && | |
4808 | (attr1.GetBulletNumber() != attr2.GetBulletNumber())) | |
4809 | return false; | |
4810 | ||
4811 | if ((flags & wxTEXT_ATTR_BULLET_SYMBOL) && | |
4812 | (attr1.GetBulletSymbol() != attr2.GetBulletSymbol())) | |
4813 | return false; | |
4814 | ||
4815 | /* TODO | |
4816 | if ((flags & wxTEXT_ATTR_TABS) && | |
4817 | return false; | |
4818 | */ | |
4819 | ||
4820 | return true; | |
4821 | } | |
4822 | ||
4823 | bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2, int flags) | |
4824 | { | |
4825 | if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && attr1.GetTextColour() != attr2.GetTextColour()) | |
4826 | return false; | |
4827 | ||
4828 | if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && attr1.GetBackgroundColour() != attr2.GetBackgroundColour()) | |
4829 | return false; | |
4830 | ||
4831 | if ((flags & (wxTEXT_ATTR_FONT)) && !attr1.GetFont().Ok()) | |
4832 | return false; | |
4833 | ||
4834 | if ((flags & wxTEXT_ATTR_FONT_FACE) && attr1.GetFont().Ok() && | |
4835 | attr1.GetFont().GetFaceName() != attr2.GetFontFaceName()) | |
4836 | return false; | |
4837 | ||
4838 | if ((flags & wxTEXT_ATTR_FONT_SIZE) && attr1.GetFont().Ok() && | |
4839 | attr1.GetFont().GetPointSize() != attr2.GetFontSize()) | |
4840 | return false; | |
4841 | ||
4842 | if ((flags & wxTEXT_ATTR_FONT_WEIGHT) && attr1.GetFont().Ok() && | |
4843 | attr1.GetFont().GetWeight() != attr2.GetFontWeight()) | |
4844 | return false; | |
4845 | ||
4846 | if ((flags & wxTEXT_ATTR_FONT_ITALIC) && attr1.GetFont().Ok() && | |
4847 | attr1.GetFont().GetStyle() != attr2.GetFontStyle()) | |
4848 | return false; | |
4849 | ||
4850 | if ((flags & wxTEXT_ATTR_FONT_UNDERLINE) && attr1.GetFont().Ok() && | |
4851 | attr1.GetFont().GetUnderlined() != attr2.GetFontUnderlined()) | |
4852 | return false; | |
4853 | ||
4854 | if ((flags & wxTEXT_ATTR_ALIGNMENT) && attr1.GetAlignment() != attr2.GetAlignment()) | |
4855 | return false; | |
4856 | ||
4857 | if ((flags & wxTEXT_ATTR_LEFT_INDENT) && | |
4858 | ((attr1.GetLeftIndent() != attr2.GetLeftIndent()) || (attr1.GetLeftSubIndent() != attr2.GetLeftSubIndent()))) | |
4859 | return false; | |
4860 | ||
4861 | if ((flags & wxTEXT_ATTR_RIGHT_INDENT) && | |
4862 | (attr1.GetRightIndent() != attr2.GetRightIndent())) | |
4863 | return false; | |
4864 | ||
4d551ad5 | 4865 | if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) && |
5d7836c4 JS |
4866 | (attr1.GetParagraphSpacingAfter() != attr2.GetParagraphSpacingAfter())) |
4867 | return false; | |
4868 | ||
4d551ad5 | 4869 | if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) && |
5d7836c4 JS |
4870 | (attr1.GetParagraphSpacingBefore() != attr2.GetParagraphSpacingBefore())) |
4871 | return false; | |
4872 | ||
4d551ad5 | 4873 | if ((flags & wxTEXT_ATTR_LINE_SPACING) && |
5d7836c4 JS |
4874 | (attr1.GetLineSpacing() != attr2.GetLineSpacing())) |
4875 | return false; | |
4876 | ||
4d551ad5 | 4877 | if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) && |
5d7836c4 JS |
4878 | (attr1.GetCharacterStyleName() != attr2.GetCharacterStyleName())) |
4879 | return false; | |
4880 | ||
4d551ad5 | 4881 | if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) && |
5d7836c4 JS |
4882 | (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName())) |
4883 | return false; | |
4884 | ||
4885 | if ((flags & wxTEXT_ATTR_BULLET_STYLE) && | |
4886 | (attr1.GetBulletStyle() != attr2.GetBulletStyle())) | |
4887 | return false; | |
4888 | ||
4889 | if ((flags & wxTEXT_ATTR_BULLET_NUMBER) && | |
4890 | (attr1.GetBulletNumber() != attr2.GetBulletNumber())) | |
4891 | return false; | |
4892 | ||
4893 | if ((flags & wxTEXT_ATTR_BULLET_SYMBOL) && | |
4894 | (attr1.GetBulletSymbol() != attr2.GetBulletSymbol())) | |
4895 | return false; | |
4896 | ||
4897 | /* TODO | |
4898 | if ((flags & wxTEXT_ATTR_TABS) && | |
4899 | return false; | |
4900 | */ | |
4901 | ||
4902 | return true; | |
4903 | } | |
4904 | ||
4905 | ||
4906 | /// Apply one style to another | |
4907 | bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxTextAttrEx& style) | |
4908 | { | |
4909 | // Whole font | |
4910 | if (style.GetFont().Ok() && ((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT))) | |
4911 | destStyle.SetFont(style.GetFont()); | |
4912 | else if (style.GetFont().Ok()) | |
4913 | { | |
4914 | wxFont font = destStyle.GetFont(); | |
4915 | ||
4916 | if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE) | |
fe5aa22c JS |
4917 | { |
4918 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE); | |
5d7836c4 | 4919 | font.SetFaceName(style.GetFont().GetFaceName()); |
fe5aa22c | 4920 | } |
5d7836c4 JS |
4921 | |
4922 | if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE) | |
fe5aa22c JS |
4923 | { |
4924 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE); | |
5d7836c4 | 4925 | font.SetPointSize(style.GetFont().GetPointSize()); |
fe5aa22c | 4926 | } |
5d7836c4 JS |
4927 | |
4928 | if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC) | |
fe5aa22c JS |
4929 | { |
4930 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC); | |
5d7836c4 | 4931 | font.SetStyle(style.GetFont().GetStyle()); |
fe5aa22c | 4932 | } |
5d7836c4 JS |
4933 | |
4934 | if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT) | |
fe5aa22c JS |
4935 | { |
4936 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT); | |
5d7836c4 | 4937 | font.SetWeight(style.GetFont().GetWeight()); |
fe5aa22c | 4938 | } |
5d7836c4 JS |
4939 | |
4940 | if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE) | |
fe5aa22c JS |
4941 | { |
4942 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE); | |
5d7836c4 | 4943 | font.SetUnderlined(style.GetFont().GetUnderlined()); |
fe5aa22c | 4944 | } |
5d7836c4 JS |
4945 | |
4946 | if (font != destStyle.GetFont()) | |
fe5aa22c JS |
4947 | { |
4948 | int oldFlags = destStyle.GetFlags(); | |
4949 | ||
5d7836c4 | 4950 | destStyle.SetFont(font); |
fe5aa22c JS |
4951 | |
4952 | destStyle.SetFlags(oldFlags); | |
4953 | } | |
5d7836c4 JS |
4954 | } |
4955 | ||
4956 | if ( style.GetTextColour().Ok() && style.HasTextColour()) | |
4957 | destStyle.SetTextColour(style.GetTextColour()); | |
4958 | ||
4959 | if ( style.GetBackgroundColour().Ok() && style.HasBackgroundColour()) | |
4960 | destStyle.SetBackgroundColour(style.GetBackgroundColour()); | |
4961 | ||
4962 | if (style.HasAlignment()) | |
4963 | destStyle.SetAlignment(style.GetAlignment()); | |
4964 | ||
4965 | if (style.HasTabs()) | |
4966 | destStyle.SetTabs(style.GetTabs()); | |
4967 | ||
4968 | if (style.HasLeftIndent()) | |
4969 | destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent()); | |
4970 | ||
4971 | if (style.HasRightIndent()) | |
4972 | destStyle.SetRightIndent(style.GetRightIndent()); | |
4973 | ||
4974 | if (style.HasParagraphSpacingAfter()) | |
4975 | destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter()); | |
4976 | ||
4977 | if (style.HasParagraphSpacingBefore()) | |
4978 | destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore()); | |
4979 | ||
4980 | if (style.HasLineSpacing()) | |
4981 | destStyle.SetLineSpacing(style.GetLineSpacing()); | |
4982 | ||
4983 | if (style.HasCharacterStyleName()) | |
4984 | destStyle.SetCharacterStyleName(style.GetCharacterStyleName()); | |
4985 | ||
4986 | if (style.HasParagraphStyleName()) | |
4987 | destStyle.SetParagraphStyleName(style.GetParagraphStyleName()); | |
4988 | ||
4989 | if (style.HasBulletStyle()) | |
4990 | { | |
4991 | destStyle.SetBulletStyle(style.GetBulletStyle()); | |
4992 | destStyle.SetBulletSymbol(style.GetBulletSymbol()); | |
4993 | } | |
4994 | ||
4995 | if (style.HasBulletNumber()) | |
4996 | destStyle.SetBulletNumber(style.GetBulletNumber()); | |
4997 | ||
4998 | return true; | |
4999 | } | |
5000 | ||
5001 | bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxTextAttrEx& style) | |
5002 | { | |
5003 | wxTextAttrEx destStyle2; | |
5004 | destStyle.CopyTo(destStyle2); | |
5005 | wxRichTextApplyStyle(destStyle2, style); | |
5006 | destStyle = destStyle2; | |
5007 | return true; | |
5008 | } | |
5009 | ||
5010 | bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style) | |
5011 | { | |
5d7836c4 JS |
5012 | // Whole font. Avoiding setting individual attributes if possible, since |
5013 | // it recreates the font each time. | |
5014 | if ((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT)) | |
5015 | { | |
5016 | destStyle.SetFont(wxFont(style.GetFontSize(), destStyle.GetFont().Ok() ? destStyle.GetFont().GetFamily() : wxDEFAULT, | |
5017 | style.GetFontStyle(), style.GetFontWeight(), style.GetFontUnderlined(), style.GetFontFaceName())); | |
5018 | } | |
5019 | else if (style.GetFlags() & (wxTEXT_ATTR_FONT)) | |
5020 | { | |
5021 | wxFont font = destStyle.GetFont(); | |
5022 | ||
5023 | if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE) | |
fe5aa22c JS |
5024 | { |
5025 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE); | |
5d7836c4 | 5026 | font.SetFaceName(style.GetFontFaceName()); |
fe5aa22c | 5027 | } |
7fe8059f | 5028 | |
5d7836c4 | 5029 | if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE) |
fe5aa22c JS |
5030 | { |
5031 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE); | |
5d7836c4 | 5032 | font.SetPointSize(style.GetFontSize()); |
fe5aa22c | 5033 | } |
7fe8059f | 5034 | |
5d7836c4 | 5035 | if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC) |
fe5aa22c JS |
5036 | { |
5037 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC); | |
5d7836c4 | 5038 | font.SetStyle(style.GetFontStyle()); |
fe5aa22c | 5039 | } |
7fe8059f | 5040 | |
5d7836c4 | 5041 | if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT) |
fe5aa22c JS |
5042 | { |
5043 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT); | |
5d7836c4 | 5044 | font.SetWeight(style.GetFontWeight()); |
fe5aa22c | 5045 | } |
7fe8059f | 5046 | |
5d7836c4 | 5047 | if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE) |
fe5aa22c JS |
5048 | { |
5049 | destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE); | |
5d7836c4 | 5050 | font.SetUnderlined(style.GetFontUnderlined()); |
fe5aa22c | 5051 | } |
5d7836c4 JS |
5052 | |
5053 | if (font != destStyle.GetFont()) | |
fe5aa22c JS |
5054 | { |
5055 | int oldFlags = destStyle.GetFlags(); | |
5056 | ||
5d7836c4 | 5057 | destStyle.SetFont(font); |
fe5aa22c JS |
5058 | |
5059 | destStyle.SetFlags(oldFlags); | |
5060 | } | |
5d7836c4 JS |
5061 | } |
5062 | ||
5063 | if ( style.GetTextColour().Ok() && style.HasTextColour()) | |
5064 | destStyle.SetTextColour(style.GetTextColour()); | |
5065 | ||
5066 | if ( style.GetBackgroundColour().Ok() && style.HasBackgroundColour()) | |
5067 | destStyle.SetBackgroundColour(style.GetBackgroundColour()); | |
5068 | ||
5069 | if (style.HasAlignment()) | |
5070 | destStyle.SetAlignment(style.GetAlignment()); | |
5071 | ||
5072 | if (style.HasTabs()) | |
5073 | destStyle.SetTabs(style.GetTabs()); | |
5074 | ||
5075 | if (style.HasLeftIndent()) | |
5076 | destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent()); | |
5077 | ||
5078 | if (style.HasRightIndent()) | |
5079 | destStyle.SetRightIndent(style.GetRightIndent()); | |
5080 | ||
5081 | if (style.HasParagraphSpacingAfter()) | |
5082 | destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter()); | |
5083 | ||
5084 | if (style.HasParagraphSpacingBefore()) | |
5085 | destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore()); | |
5086 | ||
5087 | if (style.HasLineSpacing()) | |
5088 | destStyle.SetLineSpacing(style.GetLineSpacing()); | |
5089 | ||
5090 | if (style.HasCharacterStyleName()) | |
5091 | destStyle.SetCharacterStyleName(style.GetCharacterStyleName()); | |
5092 | ||
5093 | if (style.HasParagraphStyleName()) | |
5094 | destStyle.SetParagraphStyleName(style.GetParagraphStyleName()); | |
5095 | ||
5096 | if (style.HasBulletStyle()) | |
5097 | { | |
5098 | destStyle.SetBulletStyle(style.GetBulletStyle()); | |
5099 | destStyle.SetBulletSymbol(style.GetBulletSymbol()); | |
5100 | } | |
5101 | ||
5102 | if (style.HasBulletNumber()) | |
5103 | destStyle.SetBulletNumber(style.GetBulletNumber()); | |
5104 | ||
5105 | return true; | |
5106 | } | |
5107 | ||
5108 | ||
5109 | /*! | |
5110 | * wxRichTextAttr stores attributes without a wxFont object, so is a much more | |
5111 | * efficient way to query styles. | |
5112 | */ | |
5113 | ||
5114 | // ctors | |
5115 | wxRichTextAttr::wxRichTextAttr(const wxColour& colText, | |
5116 | const wxColour& colBack, | |
5117 | wxTextAttrAlignment alignment): m_textAlignment(alignment), m_colText(colText), m_colBack(colBack) | |
5118 | { | |
5119 | Init(); | |
5120 | ||
5121 | if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR; | |
5122 | if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; | |
5123 | if (alignment != wxTEXT_ALIGNMENT_DEFAULT) | |
5124 | m_flags |= wxTEXT_ATTR_ALIGNMENT; | |
5125 | } | |
5126 | ||
5127 | wxRichTextAttr::wxRichTextAttr(const wxTextAttrEx& attr) | |
5128 | { | |
5129 | Init(); | |
5130 | ||
5131 | (*this) = attr; | |
5132 | } | |
5133 | ||
5134 | // operations | |
5135 | void wxRichTextAttr::Init() | |
5136 | { | |
5137 | m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT; | |
5138 | m_flags = 0; | |
5139 | m_leftIndent = 0; | |
5140 | m_leftSubIndent = 0; | |
5141 | m_rightIndent = 0; | |
5142 | ||
5143 | m_fontSize = 12; | |
5144 | m_fontStyle = wxNORMAL; | |
5145 | m_fontWeight = wxNORMAL; | |
5146 | m_fontUnderlined = false; | |
5147 | ||
5148 | m_paragraphSpacingAfter = 0; | |
5149 | m_paragraphSpacingBefore = 0; | |
5150 | m_lineSpacing = 0; | |
5151 | m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE; | |
5152 | m_bulletNumber = 0; | |
5153 | m_bulletSymbol = wxT('*'); | |
5154 | } | |
5155 | ||
5156 | // operators | |
5157 | void wxRichTextAttr::operator= (const wxRichTextAttr& attr) | |
5158 | { | |
5159 | m_colText = attr.m_colText; | |
5160 | m_colBack = attr.m_colBack; | |
5161 | m_textAlignment = attr.m_textAlignment; | |
5162 | m_leftIndent = attr.m_leftIndent; | |
5163 | m_leftSubIndent = attr.m_leftSubIndent; | |
5164 | m_rightIndent = attr.m_rightIndent; | |
5165 | m_tabs = attr.m_tabs; | |
5166 | m_flags = attr.m_flags; | |
5167 | ||
5168 | m_fontSize = attr.m_fontSize; | |
5169 | m_fontStyle = attr.m_fontStyle; | |
5170 | m_fontWeight = attr.m_fontWeight; | |
5171 | m_fontUnderlined = attr.m_fontUnderlined; | |
5172 | m_fontFaceName = attr.m_fontFaceName; | |
5173 | ||
5174 | m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter; | |
5175 | m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore; | |
5176 | m_lineSpacing = attr.m_lineSpacing; | |
5177 | m_characterStyleName = attr.m_characterStyleName; | |
5178 | m_paragraphStyleName = attr.m_paragraphStyleName; | |
5179 | m_bulletStyle = attr.m_bulletStyle; | |
5180 | m_bulletNumber = attr.m_bulletNumber; | |
5181 | m_bulletSymbol = attr.m_bulletSymbol; | |
5182 | } | |
5183 | ||
5184 | // operators | |
5185 | void wxRichTextAttr::operator= (const wxTextAttrEx& attr) | |
5186 | { | |
5187 | m_colText = attr.GetTextColour(); | |
5188 | m_colBack = attr.GetBackgroundColour(); | |
5189 | m_textAlignment = attr.GetAlignment(); | |
5190 | m_leftIndent = attr.GetLeftIndent(); | |
5191 | m_leftSubIndent = attr.GetLeftSubIndent(); | |
5192 | m_rightIndent = attr.GetRightIndent(); | |
5193 | m_tabs = attr.GetTabs(); | |
5194 | m_flags = attr.GetFlags(); | |
5195 | ||
5196 | m_paragraphSpacingAfter = attr.GetParagraphSpacingAfter(); | |
5197 | m_paragraphSpacingBefore = attr.GetParagraphSpacingBefore(); | |
5198 | m_lineSpacing = attr.GetLineSpacing(); | |
5199 | m_characterStyleName = attr.GetCharacterStyleName(); | |
5200 | m_paragraphStyleName = attr.GetParagraphStyleName(); | |
5201 | ||
5202 | if (attr.GetFont().Ok()) | |
5203 | GetFontAttributes(attr.GetFont()); | |
5204 | } | |
5205 | ||
5206 | // Making a wxTextAttrEx object. | |
5207 | wxRichTextAttr::operator wxTextAttrEx () const | |
5208 | { | |
5209 | wxTextAttrEx attr; | |
5210 | CopyTo(attr); | |
5211 | return attr; | |
5212 | } | |
5213 | ||
fe5aa22c JS |
5214 | // Equality test |
5215 | bool wxRichTextAttr::operator== (const wxRichTextAttr& attr) const | |
5216 | { | |
5217 | return GetFlags() == attr.GetFlags() && | |
5218 | ||
5219 | GetTextColour() == attr.GetTextColour() && | |
5220 | GetBackgroundColour() == attr.GetBackgroundColour() && | |
5221 | ||
5222 | GetAlignment() == attr.GetAlignment() && | |
5223 | GetLeftIndent() == attr.GetLeftIndent() && | |
5224 | GetLeftSubIndent() == attr.GetLeftSubIndent() && | |
5225 | GetRightIndent() == attr.GetRightIndent() && | |
5226 | //GetTabs() == attr.GetTabs() && | |
5227 | ||
5228 | GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() && | |
5229 | GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() && | |
5230 | GetLineSpacing() == attr.GetLineSpacing() && | |
5231 | GetCharacterStyleName() == attr.GetCharacterStyleName() && | |
5232 | GetParagraphStyleName() == attr.GetParagraphStyleName() && | |
5233 | ||
5234 | m_fontSize == attr.m_fontSize && | |
5235 | m_fontStyle == attr.m_fontStyle && | |
5236 | m_fontWeight == attr.m_fontWeight && | |
5237 | m_fontUnderlined == attr.m_fontUnderlined && | |
5238 | m_fontFaceName == attr.m_fontFaceName; | |
5239 | } | |
5240 | ||
5d7836c4 JS |
5241 | // Copy to a wxTextAttr |
5242 | void wxRichTextAttr::CopyTo(wxTextAttrEx& attr) const | |
5243 | { | |
5244 | attr.SetTextColour(GetTextColour()); | |
5245 | attr.SetBackgroundColour(GetBackgroundColour()); | |
5246 | attr.SetAlignment(GetAlignment()); | |
5247 | attr.SetTabs(GetTabs()); | |
5248 | attr.SetLeftIndent(GetLeftIndent(), GetLeftSubIndent()); | |
5249 | attr.SetRightIndent(GetRightIndent()); | |
5250 | attr.SetFont(CreateFont()); | |
5d7836c4 JS |
5251 | |
5252 | attr.SetParagraphSpacingAfter(m_paragraphSpacingAfter); | |
5253 | attr.SetParagraphSpacingBefore(m_paragraphSpacingBefore); | |
5254 | attr.SetLineSpacing(m_lineSpacing); | |
5255 | attr.SetBulletStyle(m_bulletStyle); | |
5256 | attr.SetBulletNumber(m_bulletNumber); | |
5257 | attr.SetBulletSymbol(m_bulletSymbol); | |
5258 | attr.SetCharacterStyleName(m_characterStyleName); | |
5259 | attr.SetParagraphStyleName(m_paragraphStyleName); | |
5260 | ||
fe5aa22c | 5261 | attr.SetFlags(GetFlags()); // Important: set after SetFont and others, since they set flags |
5d7836c4 JS |
5262 | } |
5263 | ||
5264 | // Create font from font attributes. | |
5265 | wxFont wxRichTextAttr::CreateFont() const | |
5266 | { | |
5267 | wxFont font(m_fontSize, wxDEFAULT, m_fontStyle, m_fontWeight, m_fontUnderlined, m_fontFaceName); | |
ff2baa25 JS |
5268 | #ifdef __WXMAC__ |
5269 | font.SetNoAntiAliasing(true); | |
5270 | #endif | |
5d7836c4 JS |
5271 | return font; |
5272 | } | |
5273 | ||
5274 | // Get attributes from font. | |
5275 | bool wxRichTextAttr::GetFontAttributes(const wxFont& font) | |
5276 | { | |
5277 | if (!font.Ok()) | |
5278 | return false; | |
5279 | ||
5280 | m_fontSize = font.GetPointSize(); | |
5281 | m_fontStyle = font.GetStyle(); | |
5282 | m_fontWeight = font.GetWeight(); | |
5283 | m_fontUnderlined = font.GetUnderlined(); | |
5284 | m_fontFaceName = font.GetFaceName(); | |
5285 | ||
5286 | return true; | |
5287 | } | |
5288 | ||
05b4fddf JS |
5289 | wxRichTextAttr wxRichTextAttr::Combine(const wxRichTextAttr& attr, |
5290 | const wxRichTextAttr& attrDef, | |
5291 | const wxTextCtrlBase *text) | |
61399247 | 5292 | { |
05b4fddf JS |
5293 | wxColour colFg = attr.GetTextColour(); |
5294 | if ( !colFg.Ok() ) | |
5295 | { | |
5296 | colFg = attrDef.GetTextColour(); | |
5297 | ||
5298 | if ( text && !colFg.Ok() ) | |
5299 | colFg = text->GetForegroundColour(); | |
5300 | } | |
5301 | ||
5302 | wxColour colBg = attr.GetBackgroundColour(); | |
5303 | if ( !colBg.Ok() ) | |
5304 | { | |
5305 | colBg = attrDef.GetBackgroundColour(); | |
5306 | ||
5307 | if ( text && !colBg.Ok() ) | |
5308 | colBg = text->GetBackgroundColour(); | |
5309 | } | |
5310 | ||
5311 | wxRichTextAttr newAttr(colFg, colBg); | |
5312 | ||
5313 | if (attr.HasWeight()) | |
5314 | newAttr.SetFontWeight(attr.GetFontWeight()); | |
61399247 | 5315 | |
05b4fddf JS |
5316 | if (attr.HasSize()) |
5317 | newAttr.SetFontSize(attr.GetFontSize()); | |
61399247 | 5318 | |
05b4fddf JS |
5319 | if (attr.HasItalic()) |
5320 | newAttr.SetFontStyle(attr.GetFontStyle()); | |
61399247 | 5321 | |
05b4fddf JS |
5322 | if (attr.HasUnderlined()) |
5323 | newAttr.SetFontUnderlined(attr.GetFontUnderlined()); | |
61399247 | 5324 | |
05b4fddf JS |
5325 | if (attr.HasFaceName()) |
5326 | newAttr.SetFontFaceName(attr.GetFontFaceName()); | |
61399247 | 5327 | |
05b4fddf JS |
5328 | if (attr.HasAlignment()) |
5329 | newAttr.SetAlignment(attr.GetAlignment()); | |
5330 | else if (attrDef.HasAlignment()) | |
5331 | newAttr.SetAlignment(attrDef.GetAlignment()); | |
5332 | ||
5333 | if (attr.HasTabs()) | |
5334 | newAttr.SetTabs(attr.GetTabs()); | |
5335 | else if (attrDef.HasTabs()) | |
5336 | newAttr.SetTabs(attrDef.GetTabs()); | |
5337 | ||
5338 | if (attr.HasLeftIndent()) | |
5339 | newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent()); | |
5340 | else if (attrDef.HasLeftIndent()) | |
5341 | newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent()); | |
5342 | ||
5343 | if (attr.HasRightIndent()) | |
5344 | newAttr.SetRightIndent(attr.GetRightIndent()); | |
5345 | else if (attrDef.HasRightIndent()) | |
5346 | newAttr.SetRightIndent(attrDef.GetRightIndent()); | |
61399247 | 5347 | |
05b4fddf | 5348 | // NEW ATTRIBUTES |
61399247 | 5349 | |
05b4fddf JS |
5350 | if (attr.HasParagraphSpacingAfter()) |
5351 | newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter()); | |
61399247 | 5352 | |
05b4fddf JS |
5353 | if (attr.HasParagraphSpacingBefore()) |
5354 | newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore()); | |
5355 | ||
5356 | if (attr.HasLineSpacing()) | |
5357 | newAttr.SetLineSpacing(attr.GetLineSpacing()); | |
61399247 | 5358 | |
05b4fddf JS |
5359 | if (attr.HasCharacterStyleName()) |
5360 | newAttr.SetCharacterStyleName(attr.GetCharacterStyleName()); | |
61399247 | 5361 | |
05b4fddf JS |
5362 | if (attr.HasParagraphStyleName()) |
5363 | newAttr.SetParagraphStyleName(attr.GetParagraphStyleName()); | |
61399247 | 5364 | |
05b4fddf JS |
5365 | if (attr.HasBulletStyle()) |
5366 | newAttr.SetBulletStyle(attr.GetBulletStyle()); | |
5367 | ||
5368 | if (attr.HasBulletNumber()) | |
5369 | newAttr.SetBulletNumber(attr.GetBulletNumber()); | |
61399247 | 5370 | |
05b4fddf JS |
5371 | if (attr.HasBulletSymbol()) |
5372 | newAttr.SetBulletSymbol(attr.GetBulletSymbol()); | |
61399247 | 5373 | |
05b4fddf JS |
5374 | return newAttr; |
5375 | } | |
5376 | ||
5d7836c4 JS |
5377 | /*! |
5378 | * wxTextAttrEx is an extended version of wxTextAttr with more paragraph attributes. | |
5379 | */ | |
5380 | ||
5381 | wxTextAttrEx::wxTextAttrEx(const wxTextAttrEx& attr): wxTextAttr(attr) | |
5382 | { | |
5383 | m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter; | |
5384 | m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore; | |
5385 | m_lineSpacing = attr.m_lineSpacing; | |
5386 | m_paragraphStyleName = attr.m_paragraphStyleName; | |
5387 | m_characterStyleName = attr.m_characterStyleName; | |
5388 | m_bulletStyle = attr.m_bulletStyle; | |
5389 | m_bulletNumber = attr.m_bulletNumber; | |
5390 | m_bulletSymbol = attr.m_bulletSymbol; | |
5391 | } | |
5392 | ||
5393 | // Initialise this object. | |
5394 | void wxTextAttrEx::Init() | |
5395 | { | |
5396 | m_paragraphSpacingAfter = 0; | |
5397 | m_paragraphSpacingBefore = 0; | |
5398 | m_lineSpacing = 0; | |
5399 | m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE; | |
5400 | m_bulletNumber = 0; | |
5401 | m_bulletSymbol = 0; | |
5402 | m_bulletSymbol = wxT('*'); | |
5403 | } | |
5404 | ||
5405 | // Assignment from a wxTextAttrEx object | |
5406 | void wxTextAttrEx::operator= (const wxTextAttrEx& attr) | |
5407 | { | |
5408 | wxTextAttr::operator= (attr); | |
5409 | ||
5410 | m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter; | |
5411 | m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore; | |
5412 | m_lineSpacing = attr.m_lineSpacing; | |
5413 | m_characterStyleName = attr.m_characterStyleName; | |
5414 | m_paragraphStyleName = attr.m_paragraphStyleName; | |
5415 | m_bulletStyle = attr.m_bulletStyle; | |
5416 | m_bulletNumber = attr.m_bulletNumber; | |
5417 | m_bulletSymbol = attr.m_bulletSymbol; | |
5418 | } | |
5419 | ||
5420 | // Assignment from a wxTextAttr object. | |
5421 | void wxTextAttrEx::operator= (const wxTextAttr& attr) | |
5422 | { | |
5423 | wxTextAttr::operator= (attr); | |
5424 | } | |
5425 | ||
05b4fddf JS |
5426 | wxTextAttrEx wxTextAttrEx::CombineEx(const wxTextAttrEx& attr, |
5427 | const wxTextAttrEx& attrDef, | |
5428 | const wxTextCtrlBase *text) | |
61399247 | 5429 | { |
05b4fddf JS |
5430 | wxTextAttrEx newAttr; |
5431 | ||
5432 | // If attr specifies the complete font, just use that font, overriding all | |
5433 | // default font attributes. | |
5434 | if ((attr.GetFlags() & wxTEXT_ATTR_FONT) == wxTEXT_ATTR_FONT) | |
5435 | newAttr.SetFont(attr.GetFont()); | |
5436 | else | |
5437 | { | |
5438 | // First find the basic, default font | |
5439 | long flags = 0; | |
5440 | ||
5441 | wxFont font; | |
5442 | if (attrDef.HasFont()) | |
5443 | { | |
5444 | flags = (attrDef.GetFlags() & wxTEXT_ATTR_FONT); | |
5445 | font = attrDef.GetFont(); | |
5446 | } | |
5447 | else | |
5448 | { | |
5449 | if (text) | |
5450 | font = text->GetFont(); | |
5451 | ||
5452 | // We leave flags at 0 because no font attributes have been specified yet | |
5453 | } | |
5454 | if (!font.Ok()) | |
5455 | font = *wxNORMAL_FONT; | |
5456 | ||
5457 | // Otherwise, if there are font attributes in attr, apply them | |
5458 | if (attr.HasFont()) | |
5459 | { | |
5460 | if (attr.HasSize()) | |
5461 | { | |
5462 | flags |= wxTEXT_ATTR_FONT_SIZE; | |
5463 | font.SetPointSize(attr.GetFont().GetPointSize()); | |
5464 | } | |
5465 | if (attr.HasItalic()) | |
5466 | { | |
5467 | flags |= wxTEXT_ATTR_FONT_ITALIC;; | |
5468 | font.SetStyle(attr.GetFont().GetStyle()); | |
5469 | } | |
5470 | if (attr.HasWeight()) | |
5471 | { | |
5472 | flags |= wxTEXT_ATTR_FONT_WEIGHT; | |
5473 | font.SetWeight(attr.GetFont().GetWeight()); | |
5474 | } | |
5475 | if (attr.HasFaceName()) | |
5476 | { | |
5477 | flags |= wxTEXT_ATTR_FONT_FACE; | |
5478 | font.SetFaceName(attr.GetFont().GetFaceName()); | |
5479 | } | |
5480 | if (attr.HasUnderlined()) | |
5481 | { | |
5482 | flags |= wxTEXT_ATTR_FONT_UNDERLINE; | |
5483 | font.SetUnderlined(attr.GetFont().GetUnderlined()); | |
5484 | } | |
5485 | newAttr.SetFont(font); | |
5486 | newAttr.SetFlags(newAttr.GetFlags()|flags); | |
5487 | } | |
5488 | } | |
5489 | ||
5490 | // TODO: should really check we are specifying these in the flags, | |
5491 | // before setting them, as per above; or we will set them willy-nilly. | |
5492 | // However, we should also check whether this is the intention | |
5493 | // as per wxTextAttr::Combine, i.e. always to have valid colours | |
5494 | // in the style. | |
5495 | wxColour colFg = attr.GetTextColour(); | |
5496 | if ( !colFg.Ok() ) | |
5497 | { | |
5498 | colFg = attrDef.GetTextColour(); | |
5499 | ||
5500 | if ( text && !colFg.Ok() ) | |
5501 | colFg = text->GetForegroundColour(); | |
5502 | } | |
5503 | ||
5504 | wxColour colBg = attr.GetBackgroundColour(); | |
5505 | if ( !colBg.Ok() ) | |
5506 | { | |
5507 | colBg = attrDef.GetBackgroundColour(); | |
5508 | ||
5509 | if ( text && !colBg.Ok() ) | |
5510 | colBg = text->GetBackgroundColour(); | |
5511 | } | |
5512 | ||
5513 | newAttr.SetTextColour(colFg); | |
5514 | newAttr.SetBackgroundColour(colBg); | |
5515 | ||
5516 | if (attr.HasAlignment()) | |
5517 | newAttr.SetAlignment(attr.GetAlignment()); | |
5518 | else if (attrDef.HasAlignment()) | |
5519 | newAttr.SetAlignment(attrDef.GetAlignment()); | |
5520 | ||
5521 | if (attr.HasTabs()) | |
5522 | newAttr.SetTabs(attr.GetTabs()); | |
5523 | else if (attrDef.HasTabs()) | |
5524 | newAttr.SetTabs(attrDef.GetTabs()); | |
5525 | ||
5526 | if (attr.HasLeftIndent()) | |
5527 | newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent()); | |
5528 | else if (attrDef.HasLeftIndent()) | |
5529 | newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent()); | |
5530 | ||
5531 | if (attr.HasRightIndent()) | |
5532 | newAttr.SetRightIndent(attr.GetRightIndent()); | |
5533 | else if (attrDef.HasRightIndent()) | |
5534 | newAttr.SetRightIndent(attrDef.GetRightIndent()); | |
61399247 | 5535 | |
05b4fddf | 5536 | // NEW ATTRIBUTES |
61399247 | 5537 | |
05b4fddf JS |
5538 | if (attr.HasParagraphSpacingAfter()) |
5539 | newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter()); | |
61399247 | 5540 | |
05b4fddf JS |
5541 | if (attr.HasParagraphSpacingBefore()) |
5542 | newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore()); | |
5543 | ||
5544 | if (attr.HasLineSpacing()) | |
5545 | newAttr.SetLineSpacing(attr.GetLineSpacing()); | |
61399247 | 5546 | |
05b4fddf JS |
5547 | if (attr.HasCharacterStyleName()) |
5548 | newAttr.SetCharacterStyleName(attr.GetCharacterStyleName()); | |
61399247 | 5549 | |
05b4fddf JS |
5550 | if (attr.HasParagraphStyleName()) |
5551 | newAttr.SetParagraphStyleName(attr.GetParagraphStyleName()); | |
61399247 | 5552 | |
05b4fddf JS |
5553 | if (attr.HasBulletStyle()) |
5554 | newAttr.SetBulletStyle(attr.GetBulletStyle()); | |
5555 | ||
5556 | if (attr.HasBulletNumber()) | |
5557 | newAttr.SetBulletNumber(attr.GetBulletNumber()); | |
61399247 | 5558 | |
05b4fddf JS |
5559 | if (attr.HasBulletSymbol()) |
5560 | newAttr.SetBulletSymbol(attr.GetBulletSymbol()); | |
61399247 | 5561 | |
05b4fddf JS |
5562 | return newAttr; |
5563 | } | |
5564 | ||
5565 | ||
5d7836c4 JS |
5566 | /*! |
5567 | * wxRichTextFileHandler | |
5568 | * Base class for file handlers | |
5569 | */ | |
5570 | ||
5571 | IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject) | |
5572 | ||
7fe8059f | 5573 | #if wxUSE_STREAMS |
5d7836c4 JS |
5574 | bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename) |
5575 | { | |
5576 | wxFFileInputStream stream(filename); | |
5577 | if (stream.Ok()) | |
5578 | return LoadFile(buffer, stream); | |
caae22fb WS |
5579 | |
5580 | return false; | |
5d7836c4 JS |
5581 | } |
5582 | ||
5583 | bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename) | |
5584 | { | |
5585 | wxFFileOutputStream stream(filename); | |
5586 | if (stream.Ok()) | |
5587 | return SaveFile(buffer, stream); | |
caae22fb WS |
5588 | |
5589 | return false; | |
5d7836c4 | 5590 | } |
7fe8059f | 5591 | #endif // wxUSE_STREAMS |
5d7836c4 JS |
5592 | |
5593 | /// Can we handle this filename (if using files)? By default, checks the extension. | |
5594 | bool wxRichTextFileHandler::CanHandle(const wxString& filename) const | |
5595 | { | |
5596 | wxString path, file, ext; | |
5597 | wxSplitPath(filename, & path, & file, & ext); | |
5598 | ||
5599 | return (ext.Lower() == GetExtension()); | |
5600 | } | |
5601 | ||
5602 | /*! | |
5603 | * wxRichTextTextHandler | |
5604 | * Plain text handler | |
5605 | */ | |
5606 | ||
5607 | IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler) | |
5608 | ||
5609 | #if wxUSE_STREAMS | |
7fe8059f | 5610 | bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) |
5d7836c4 JS |
5611 | { |
5612 | if (!stream.IsOk()) | |
5613 | return false; | |
5614 | ||
5615 | wxString str; | |
1e967276 | 5616 | int lastCh = 0; |
5d7836c4 JS |
5617 | |
5618 | while (!stream.Eof()) | |
5619 | { | |
e191ee87 | 5620 | int ch = stream.GetC(); |
5d7836c4 | 5621 | |
169adfa9 JS |
5622 | if (!stream.Eof()) |
5623 | { | |
5624 | if (ch == 10 && lastCh != 13) | |
5625 | str += wxT('\n'); | |
39a1c2f2 | 5626 | |
169adfa9 JS |
5627 | if (ch > 0 && ch != 10) |
5628 | str += wxChar(ch); | |
39a1c2f2 | 5629 | |
169adfa9 JS |
5630 | lastCh = ch; |
5631 | } | |
5d7836c4 JS |
5632 | } |
5633 | ||
5634 | buffer->Clear(); | |
5635 | buffer->AddParagraphs(str); | |
5636 | buffer->UpdateRanges(); | |
5637 | ||
5638 | return true; | |
5639 | ||
5640 | } | |
5641 | ||
7fe8059f | 5642 | bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) |
5d7836c4 JS |
5643 | { |
5644 | if (!stream.IsOk()) | |
5645 | return false; | |
5646 | ||
5647 | wxString text = buffer->GetText(); | |
5648 | wxCharBuffer buf = text.ToAscii(); | |
5649 | ||
28f92d74 | 5650 | stream.Write((const char*) buf, text.length()); |
5d7836c4 JS |
5651 | return true; |
5652 | } | |
7fe8059f | 5653 | #endif // wxUSE_STREAMS |
5d7836c4 JS |
5654 | |
5655 | /* | |
5656 | * Stores information about an image, in binary in-memory form | |
5657 | */ | |
5658 | ||
5659 | wxRichTextImageBlock::wxRichTextImageBlock() | |
5660 | { | |
5661 | Init(); | |
5662 | } | |
5663 | ||
5664 | wxRichTextImageBlock::wxRichTextImageBlock(const wxRichTextImageBlock& block):wxObject() | |
5665 | { | |
5666 | Init(); | |
5667 | Copy(block); | |
5668 | } | |
5669 | ||
5670 | wxRichTextImageBlock::~wxRichTextImageBlock() | |
5671 | { | |
5672 | if (m_data) | |
5673 | { | |
5674 | delete[] m_data; | |
5675 | m_data = NULL; | |
5676 | } | |
5677 | } | |
5678 | ||
5679 | void wxRichTextImageBlock::Init() | |
5680 | { | |
5681 | m_data = NULL; | |
5682 | m_dataSize = 0; | |
5683 | m_imageType = -1; | |
5684 | } | |
5685 | ||
5686 | void wxRichTextImageBlock::Clear() | |
5687 | { | |
b01ca8b6 | 5688 | delete[] m_data; |
5d7836c4 JS |
5689 | m_data = NULL; |
5690 | m_dataSize = 0; | |
5691 | m_imageType = -1; | |
5692 | } | |
5693 | ||
5694 | ||
5695 | // Load the original image into a memory block. | |
5696 | // If the image is not a JPEG, we must convert it into a JPEG | |
5697 | // to conserve space. | |
5698 | // If it's not a JPEG we can make use of 'image', already scaled, so we don't have to | |
5699 | // load the image a 2nd time. | |
5700 | ||
5701 | bool wxRichTextImageBlock::MakeImageBlock(const wxString& filename, int imageType, wxImage& image, bool convertToJPEG) | |
5702 | { | |
5703 | m_imageType = imageType; | |
5704 | ||
5705 | wxString filenameToRead(filename); | |
7fe8059f | 5706 | bool removeFile = false; |
5d7836c4 JS |
5707 | |
5708 | if (imageType == -1) | |
7fe8059f | 5709 | return false; // Could not determine image type |
5d7836c4 JS |
5710 | |
5711 | if ((imageType != wxBITMAP_TYPE_JPEG) && convertToJPEG) | |
5712 | { | |
5713 | wxString tempFile; | |
5714 | bool success = wxGetTempFileName(_("image"), tempFile) ; | |
5715 | ||
5716 | wxASSERT(success); | |
5717 | ||
5718 | wxUnusedVar(success); | |
5719 | ||
5720 | image.SaveFile(tempFile, wxBITMAP_TYPE_JPEG); | |
5721 | filenameToRead = tempFile; | |
7fe8059f | 5722 | removeFile = true; |
5d7836c4 JS |
5723 | |
5724 | m_imageType = wxBITMAP_TYPE_JPEG; | |
5725 | } | |
5726 | wxFile file; | |
5727 | if (!file.Open(filenameToRead)) | |
7fe8059f | 5728 | return false; |
5d7836c4 JS |
5729 | |
5730 | m_dataSize = (size_t) file.Length(); | |
5731 | file.Close(); | |
5732 | ||
5733 | if (m_data) | |
5734 | delete[] m_data; | |
5735 | m_data = ReadBlock(filenameToRead, m_dataSize); | |
5736 | ||
5737 | if (removeFile) | |
5738 | wxRemoveFile(filenameToRead); | |
5739 | ||
5740 | return (m_data != NULL); | |
5741 | } | |
5742 | ||
5743 | // Make an image block from the wxImage in the given | |
5744 | // format. | |
5745 | bool wxRichTextImageBlock::MakeImageBlock(wxImage& image, int imageType, int quality) | |
5746 | { | |
5747 | m_imageType = imageType; | |
5748 | image.SetOption(wxT("quality"), quality); | |
5749 | ||
5750 | if (imageType == -1) | |
7fe8059f | 5751 | return false; // Could not determine image type |
5d7836c4 JS |
5752 | |
5753 | wxString tempFile; | |
5754 | bool success = wxGetTempFileName(_("image"), tempFile) ; | |
7fe8059f | 5755 | |
5d7836c4 JS |
5756 | wxASSERT(success); |
5757 | wxUnusedVar(success); | |
7fe8059f | 5758 | |
5d7836c4 JS |
5759 | if (!image.SaveFile(tempFile, m_imageType)) |
5760 | { | |
5761 | if (wxFileExists(tempFile)) | |
5762 | wxRemoveFile(tempFile); | |
7fe8059f | 5763 | return false; |
5d7836c4 JS |
5764 | } |
5765 | ||
5766 | wxFile file; | |
5767 | if (!file.Open(tempFile)) | |
7fe8059f | 5768 | return false; |
5d7836c4 JS |
5769 | |
5770 | m_dataSize = (size_t) file.Length(); | |
5771 | file.Close(); | |
5772 | ||
5773 | if (m_data) | |
5774 | delete[] m_data; | |
5775 | m_data = ReadBlock(tempFile, m_dataSize); | |
5776 | ||
5777 | wxRemoveFile(tempFile); | |
5778 | ||
5779 | return (m_data != NULL); | |
5780 | } | |
5781 | ||
5782 | ||
5783 | // Write to a file | |
5784 | bool wxRichTextImageBlock::Write(const wxString& filename) | |
5785 | { | |
5786 | return WriteBlock(filename, m_data, m_dataSize); | |
5787 | } | |
5788 | ||
5789 | void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block) | |
5790 | { | |
5791 | m_imageType = block.m_imageType; | |
5792 | if (m_data) | |
5793 | { | |
5794 | delete[] m_data; | |
5795 | m_data = NULL; | |
5796 | } | |
5797 | m_dataSize = block.m_dataSize; | |
5798 | if (m_dataSize == 0) | |
5799 | return; | |
5800 | ||
5801 | m_data = new unsigned char[m_dataSize]; | |
5802 | unsigned int i; | |
5803 | for (i = 0; i < m_dataSize; i++) | |
5804 | m_data[i] = block.m_data[i]; | |
5805 | } | |
5806 | ||
5807 | //// Operators | |
5808 | void wxRichTextImageBlock::operator=(const wxRichTextImageBlock& block) | |
5809 | { | |
5810 | Copy(block); | |
5811 | } | |
5812 | ||
5813 | // Load a wxImage from the block | |
5814 | bool wxRichTextImageBlock::Load(wxImage& image) | |
5815 | { | |
5816 | if (!m_data) | |
7fe8059f | 5817 | return false; |
5d7836c4 JS |
5818 | |
5819 | // Read in the image. | |
5820 | #if 1 | |
5821 | wxMemoryInputStream mstream(m_data, m_dataSize); | |
5822 | bool success = image.LoadFile(mstream, GetImageType()); | |
5823 | #else | |
5824 | wxString tempFile; | |
5825 | bool success = wxGetTempFileName(_("image"), tempFile) ; | |
5826 | wxASSERT(success); | |
5827 | ||
5828 | if (!WriteBlock(tempFile, m_data, m_dataSize)) | |
5829 | { | |
7fe8059f | 5830 | return false; |
5d7836c4 JS |
5831 | } |
5832 | success = image.LoadFile(tempFile, GetImageType()); | |
5833 | wxRemoveFile(tempFile); | |
5834 | #endif | |
5835 | ||
5836 | return success; | |
5837 | } | |
5838 | ||
5839 | // Write data in hex to a stream | |
5840 | bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream) | |
5841 | { | |
5842 | wxString hex; | |
5843 | int i; | |
5844 | for (i = 0; i < (int) m_dataSize; i++) | |
5845 | { | |
5846 | hex = wxDecToHex(m_data[i]); | |
5847 | wxCharBuffer buf = hex.ToAscii(); | |
7fe8059f | 5848 | |
28f92d74 | 5849 | stream.Write((const char*) buf, hex.length()); |
5d7836c4 JS |
5850 | } |
5851 | ||
5852 | return true; | |
5853 | } | |
5854 | ||
5855 | // Read data in hex from a stream | |
5856 | bool wxRichTextImageBlock::ReadHex(wxInputStream& stream, int length, int imageType) | |
5857 | { | |
5858 | int dataSize = length/2; | |
5859 | ||
5860 | if (m_data) | |
5861 | delete[] m_data; | |
5862 | ||
5863 | wxString str(wxT(" ")); | |
5864 | m_data = new unsigned char[dataSize]; | |
5865 | int i; | |
5866 | for (i = 0; i < dataSize; i ++) | |
5867 | { | |
5868 | str[0] = stream.GetC(); | |
5869 | str[1] = stream.GetC(); | |
5870 | ||
7fe8059f | 5871 | m_data[i] = (unsigned char)wxHexToDec(str); |
5d7836c4 JS |
5872 | } |
5873 | ||
5874 | m_dataSize = dataSize; | |
5875 | m_imageType = imageType; | |
5876 | ||
5877 | return true; | |
5878 | } | |
5879 | ||
5880 | ||
5881 | // Allocate and read from stream as a block of memory | |
5882 | unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size) | |
5883 | { | |
5884 | unsigned char* block = new unsigned char[size]; | |
5885 | if (!block) | |
5886 | return NULL; | |
5887 | ||
5888 | stream.Read(block, size); | |
5889 | ||
5890 | return block; | |
5891 | } | |
5892 | ||
5893 | unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size) | |
5894 | { | |
5895 | wxFileInputStream stream(filename); | |
5896 | if (!stream.Ok()) | |
5897 | return NULL; | |
5898 | ||
5899 | return ReadBlock(stream, size); | |
5900 | } | |
5901 | ||
5902 | // Write memory block to stream | |
5903 | bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size) | |
5904 | { | |
5905 | stream.Write((void*) block, size); | |
5906 | return stream.IsOk(); | |
5907 | ||
5908 | } | |
5909 | ||
5910 | // Write memory block to file | |
5911 | bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size) | |
5912 | { | |
5913 | wxFileOutputStream outStream(filename); | |
5914 | if (!outStream.Ok()) | |
7fe8059f | 5915 | return false; |
5d7836c4 JS |
5916 | |
5917 | return WriteBlock(outStream, block, size); | |
5918 | } | |
5919 | ||
5920 | #endif | |
5921 | // wxUSE_RICHTEXT |