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