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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: htmlcell.cpp | |
3 | // Purpose: wxHtmlCell - basic element of HTML output | |
4 | // Author: Vaclav Slavik | |
5 | // RCS-ID: $Id$ | |
6 | // Copyright: (c) 1999 Vaclav Slavik | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
11 | #pragma implementation "htmlcell.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/wxprec.h" | |
15 | ||
16 | #include "wx/defs.h" | |
17 | ||
18 | #if wxUSE_HTML && wxUSE_STREAMS | |
19 | ||
20 | #ifdef __BORLANDC__ | |
21 | #pragma hdrstop | |
22 | #endif | |
23 | ||
24 | #ifndef WXPRECOMP | |
25 | #include "wx/brush.h" | |
26 | #include "wx/colour.h" | |
27 | #include "wx/dc.h" | |
28 | #endif | |
29 | ||
30 | #include "wx/html/htmlcell.h" | |
31 | #include "wx/html/htmlwin.h" | |
32 | #include "wx/settings.h" | |
33 | #include "wx/module.h" | |
34 | #include "wx/dynarray.h" | |
35 | ||
36 | #include <stdlib.h> | |
37 | ||
38 | //----------------------------------------------------------------------------- | |
39 | // Global variables | |
40 | //----------------------------------------------------------------------------- | |
41 | ||
42 | static wxCursor *gs_cursorLink = NULL; | |
43 | static wxCursor *gs_cursorText = NULL; | |
44 | ||
45 | ||
46 | //----------------------------------------------------------------------------- | |
47 | // Helper classes | |
48 | //----------------------------------------------------------------------------- | |
49 | ||
50 | void wxHtmlSelection::Set(const wxPoint& fromPos, const wxHtmlCell *fromCell, | |
51 | const wxPoint& toPos, const wxHtmlCell *toCell) | |
52 | { | |
53 | m_fromCell = fromCell; | |
54 | m_toCell = toCell; | |
55 | m_fromPos = fromPos; | |
56 | m_toPos = toPos; | |
57 | } | |
58 | ||
59 | void wxHtmlSelection::Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell) | |
60 | { | |
61 | wxPoint p1 = fromCell ? fromCell->GetAbsPos() : wxDefaultPosition; | |
62 | wxPoint p2 = toCell ? toCell->GetAbsPos() : wxDefaultPosition; | |
63 | if ( toCell ) | |
64 | { | |
65 | p2.x += toCell->GetWidth(); | |
66 | p2.y += toCell->GetHeight(); | |
67 | } | |
68 | Set(p1, fromCell, p2, toCell); | |
69 | } | |
70 | ||
71 | wxColour | |
72 | wxDefaultHtmlRenderingStyle:: | |
73 | GetSelectedTextColour(const wxColour& WXUNUSED(clr)) | |
74 | { | |
75 | return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT); | |
76 | } | |
77 | ||
78 | wxColour | |
79 | wxDefaultHtmlRenderingStyle:: | |
80 | GetSelectedTextBgColour(const wxColour& WXUNUSED(clr)) | |
81 | { | |
82 | return wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); | |
83 | } | |
84 | ||
85 | ||
86 | //----------------------------------------------------------------------------- | |
87 | // wxHtmlCell | |
88 | //----------------------------------------------------------------------------- | |
89 | ||
90 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlCell, wxObject) | |
91 | ||
92 | wxHtmlCell::wxHtmlCell() : wxObject() | |
93 | { | |
94 | m_Next = NULL; | |
95 | m_Parent = NULL; | |
96 | m_Width = m_Height = m_Descent = 0; | |
97 | m_CanLiveOnPagebreak = true; | |
98 | m_Link = NULL; | |
99 | } | |
100 | ||
101 | wxHtmlCell::~wxHtmlCell() | |
102 | { | |
103 | delete m_Link; | |
104 | } | |
105 | ||
106 | ||
107 | void wxHtmlCell::OnMouseClick(wxWindow *parent, int x, int y, | |
108 | const wxMouseEvent& event) | |
109 | { | |
110 | wxHtmlLinkInfo *lnk = GetLink(x, y); | |
111 | if (lnk != NULL) | |
112 | { | |
113 | wxHtmlLinkInfo lnk2(*lnk); | |
114 | lnk2.SetEvent(&event); | |
115 | lnk2.SetHtmlCell(this); | |
116 | ||
117 | // note : this cast is legal because parent is *always* wxHtmlWindow | |
118 | wxStaticCast(parent, wxHtmlWindow)->OnLinkClicked(lnk2); | |
119 | } | |
120 | } | |
121 | ||
122 | ||
123 | wxCursor wxHtmlCell::GetCursor() const | |
124 | { | |
125 | if ( GetLink() ) | |
126 | { | |
127 | if ( !gs_cursorLink ) | |
128 | gs_cursorLink = new wxCursor(wxCURSOR_HAND); | |
129 | return *gs_cursorLink; | |
130 | } | |
131 | else | |
132 | return *wxSTANDARD_CURSOR; | |
133 | } | |
134 | ||
135 | ||
136 | bool wxHtmlCell::AdjustPagebreak(int *pagebreak, int* WXUNUSED(known_pagebreaks), int WXUNUSED(number_of_pages)) const | |
137 | { | |
138 | if ((!m_CanLiveOnPagebreak) && | |
139 | m_PosY < *pagebreak && m_PosY + m_Height > *pagebreak) | |
140 | { | |
141 | *pagebreak = m_PosY; | |
142 | return true; | |
143 | } | |
144 | ||
145 | return false; | |
146 | } | |
147 | ||
148 | ||
149 | ||
150 | void wxHtmlCell::SetLink(const wxHtmlLinkInfo& link) | |
151 | { | |
152 | if (m_Link) delete m_Link; | |
153 | m_Link = NULL; | |
154 | if (link.GetHref() != wxEmptyString) | |
155 | m_Link = new wxHtmlLinkInfo(link); | |
156 | } | |
157 | ||
158 | ||
159 | void wxHtmlCell::Layout(int WXUNUSED(w)) | |
160 | { | |
161 | SetPos(0, 0); | |
162 | } | |
163 | ||
164 | ||
165 | ||
166 | const wxHtmlCell* wxHtmlCell::Find(int WXUNUSED(condition), const void* WXUNUSED(param)) const | |
167 | { | |
168 | return NULL; | |
169 | } | |
170 | ||
171 | ||
172 | wxHtmlCell *wxHtmlCell::FindCellByPos(wxCoord x, wxCoord y, | |
173 | unsigned flags) const | |
174 | { | |
175 | if ( x >= 0 && x < m_Width && y >= 0 && y < m_Height ) | |
176 | { | |
177 | return wxConstCast(this, wxHtmlCell); | |
178 | } | |
179 | else | |
180 | { | |
181 | if ((flags & wxHTML_FIND_NEAREST_AFTER) && | |
182 | (y < 0 || (y < 0+m_Height && x < 0+m_Width))) | |
183 | return wxConstCast(this, wxHtmlCell); | |
184 | else if ((flags & wxHTML_FIND_NEAREST_BEFORE) && | |
185 | (y >= 0+m_Height || (y >= 0 && x >= 0))) | |
186 | return wxConstCast(this, wxHtmlCell); | |
187 | else | |
188 | return NULL; | |
189 | } | |
190 | } | |
191 | ||
192 | ||
193 | wxPoint wxHtmlCell::GetAbsPos() const | |
194 | { | |
195 | wxPoint p(m_PosX, m_PosY); | |
196 | for (wxHtmlCell *parent = m_Parent; parent; parent = parent->m_Parent) | |
197 | { | |
198 | p.x += parent->m_PosX; | |
199 | p.y += parent->m_PosY; | |
200 | } | |
201 | return p; | |
202 | } | |
203 | ||
204 | unsigned wxHtmlCell::GetDepth() const | |
205 | { | |
206 | unsigned d = 0; | |
207 | for (wxHtmlCell *p = m_Parent; p; p = p->m_Parent) | |
208 | d++; | |
209 | return d; | |
210 | } | |
211 | ||
212 | bool wxHtmlCell::IsBefore(wxHtmlCell *cell) const | |
213 | { | |
214 | const wxHtmlCell *c1 = this; | |
215 | const wxHtmlCell *c2 = cell; | |
216 | unsigned d1 = GetDepth(); | |
217 | unsigned d2 = cell->GetDepth(); | |
218 | ||
219 | if ( d1 > d2 ) | |
220 | for (; d1 != d2; d1-- ) | |
221 | c1 = c1->m_Parent; | |
222 | else if ( d1 < d2 ) | |
223 | for (; d1 != d2; d2-- ) | |
224 | c2 = c2->m_Parent; | |
225 | ||
226 | if ( cell == this ) | |
227 | return true; | |
228 | ||
229 | while ( c1 && c2 ) | |
230 | { | |
231 | if ( c1->m_Parent == c2->m_Parent ) | |
232 | { | |
233 | while ( c1 ) | |
234 | { | |
235 | if ( c1 == c2 ) | |
236 | return true; | |
237 | c1 = c1->GetNext(); | |
238 | } | |
239 | return false; | |
240 | } | |
241 | else | |
242 | { | |
243 | c1 = c1->m_Parent; | |
244 | c2 = c2->m_Parent; | |
245 | } | |
246 | } | |
247 | ||
248 | wxFAIL_MSG(_T("Cells are in different trees")); | |
249 | return false; | |
250 | } | |
251 | ||
252 | ||
253 | //----------------------------------------------------------------------------- | |
254 | // wxHtmlWordCell | |
255 | //----------------------------------------------------------------------------- | |
256 | ||
257 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlWordCell, wxHtmlCell) | |
258 | ||
259 | wxHtmlWordCell::wxHtmlWordCell(const wxString& word, wxDC& dc) : wxHtmlCell() | |
260 | { | |
261 | m_Word = word; | |
262 | dc.GetTextExtent(m_Word, &m_Width, &m_Height, &m_Descent); | |
263 | SetCanLiveOnPagebreak(false); | |
264 | m_allowLinebreak = true; | |
265 | } | |
266 | ||
267 | void wxHtmlWordCell::SetPreviousWord(wxHtmlWordCell *cell) | |
268 | { | |
269 | if ( cell && m_Parent == cell->m_Parent && | |
270 | !wxIsspace(cell->m_Word.Last()) && !wxIsspace(m_Word[0u]) ) | |
271 | { | |
272 | m_allowLinebreak = false; | |
273 | } | |
274 | } | |
275 | ||
276 | // Splits m_Word into up to three parts according to selection, returns | |
277 | // substring before, in and after selection and the points (in relative coords) | |
278 | // where s2 and s3 start: | |
279 | void wxHtmlWordCell::Split(wxDC& dc, | |
280 | const wxPoint& selFrom, const wxPoint& selTo, | |
281 | unsigned& pos1, unsigned& pos2) const | |
282 | { | |
283 | wxPoint pt1 = (selFrom == wxDefaultPosition) ? | |
284 | wxDefaultPosition : selFrom - GetAbsPos(); | |
285 | wxPoint pt2 = (selTo == wxDefaultPosition) ? | |
286 | wxPoint(m_Width, wxDefaultPosition.y) : selTo - GetAbsPos(); | |
287 | ||
288 | wxCoord charW, charH; | |
289 | unsigned len = m_Word.length(); | |
290 | unsigned i = 0; | |
291 | pos1 = 0; | |
292 | ||
293 | // adjust for cases when the start/end position is completely | |
294 | // outside the cell: | |
295 | if ( pt1.y < 0 ) | |
296 | pt1.x = 0; | |
297 | if ( pt2.y >= m_Height ) | |
298 | pt2.x = m_Width; | |
299 | ||
300 | // before selection: | |
301 | while ( pt1.x > 0 && i < len ) | |
302 | { | |
303 | dc.GetTextExtent(m_Word[i], &charW, &charH); | |
304 | pt1.x -= charW; | |
305 | if ( pt1.x >= 0 ) | |
306 | { | |
307 | pos1 += charW; | |
308 | i++; | |
309 | } | |
310 | } | |
311 | ||
312 | // in selection: | |
313 | unsigned j = i; | |
314 | pos2 = pos1; | |
315 | pt2.x -= pos2; | |
316 | while ( pt2.x > 0 && j < len ) | |
317 | { | |
318 | dc.GetTextExtent(m_Word[j], &charW, &charH); | |
319 | pt2.x -= charW; | |
320 | if ( pt2.x >= 0 ) | |
321 | { | |
322 | pos2 += charW; | |
323 | j++; | |
324 | } | |
325 | } | |
326 | ||
327 | pos1 = i; | |
328 | pos2 = j; | |
329 | } | |
330 | ||
331 | void wxHtmlWordCell::SetSelectionPrivPos(wxDC& dc, wxHtmlSelection *s) const | |
332 | { | |
333 | unsigned p1, p2; | |
334 | ||
335 | Split(dc, | |
336 | this == s->GetFromCell() ? s->GetFromPos() : wxDefaultPosition, | |
337 | this == s->GetToCell() ? s->GetToPos() : wxDefaultPosition, | |
338 | p1, p2); | |
339 | ||
340 | wxPoint p(0, m_Word.length()); | |
341 | ||
342 | if ( this == s->GetFromCell() ) | |
343 | p.x = p1; // selection starts here | |
344 | if ( this == s->GetToCell() ) | |
345 | p.y = p2; // selection ends here | |
346 | ||
347 | if ( this == s->GetFromCell() ) | |
348 | s->SetFromPrivPos(p); | |
349 | if ( this == s->GetToCell() ) | |
350 | s->SetToPrivPos(p); | |
351 | } | |
352 | ||
353 | ||
354 | static void SwitchSelState(wxDC& dc, wxHtmlRenderingInfo& info, | |
355 | bool toSelection) | |
356 | { | |
357 | wxColour fg = info.GetState().GetFgColour(); | |
358 | wxColour bg = info.GetState().GetBgColour(); | |
359 | ||
360 | if ( toSelection ) | |
361 | { | |
362 | dc.SetBackgroundMode(wxSOLID); | |
363 | dc.SetTextForeground(info.GetStyle().GetSelectedTextColour(fg)); | |
364 | dc.SetTextBackground(info.GetStyle().GetSelectedTextBgColour(bg)); | |
365 | dc.SetBackground(wxBrush(info.GetStyle().GetSelectedTextBgColour(bg), | |
366 | wxSOLID)); | |
367 | } | |
368 | else | |
369 | { | |
370 | dc.SetBackgroundMode(wxTRANSPARENT); | |
371 | dc.SetTextForeground(fg); | |
372 | dc.SetTextBackground(bg); | |
373 | dc.SetBackground(wxBrush(bg, wxSOLID)); | |
374 | } | |
375 | } | |
376 | ||
377 | ||
378 | void wxHtmlWordCell::Draw(wxDC& dc, int x, int y, | |
379 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), | |
380 | wxHtmlRenderingInfo& info) | |
381 | { | |
382 | #if 0 // useful for debugging | |
383 | dc.SetPen(*wxBLACK_PEN); | |
384 | dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width /* VZ: +1? */ ,m_Height); | |
385 | #endif | |
386 | ||
387 | bool drawSelectionAfterCell = false; | |
388 | ||
389 | if ( info.GetState().GetSelectionState() == wxHTML_SEL_CHANGING ) | |
390 | { | |
391 | // Selection changing, we must draw the word piecewise: | |
392 | wxHtmlSelection *s = info.GetSelection(); | |
393 | wxString txt; | |
394 | int w, h; | |
395 | int ofs = 0; | |
396 | ||
397 | wxPoint priv = (this == s->GetFromCell()) ? | |
398 | s->GetFromPrivPos() : s->GetToPrivPos(); | |
399 | ||
400 | // NB: this is quite a hack: in order to compute selection boundaries | |
401 | // (in word's characters) we must know current font, which is only | |
402 | // possible inside rendering code. Therefore we update the | |
403 | // information here and store it in wxHtmlSelection so that | |
404 | // ConvertToText can use it later: | |
405 | if ( priv == wxDefaultPosition ) | |
406 | { | |
407 | SetSelectionPrivPos(dc, s); | |
408 | priv = (this == s->GetFromCell()) ? | |
409 | s->GetFromPrivPos() : s->GetToPrivPos(); | |
410 | } | |
411 | ||
412 | int part1 = priv.x; | |
413 | int part2 = priv.y; | |
414 | ||
415 | if ( part1 > 0 ) | |
416 | { | |
417 | txt = m_Word.Mid(0, part1); | |
418 | dc.DrawText(txt, x + m_PosX, y + m_PosY); | |
419 | dc.GetTextExtent(txt, &w, &h); | |
420 | ofs += w; | |
421 | } | |
422 | ||
423 | SwitchSelState(dc, info, true); | |
424 | ||
425 | txt = m_Word.Mid(part1, part2-part1); | |
426 | dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY); | |
427 | ||
428 | if ( (size_t)part2 < m_Word.length() ) | |
429 | { | |
430 | dc.GetTextExtent(txt, &w, &h); | |
431 | ofs += w; | |
432 | SwitchSelState(dc, info, false); | |
433 | txt = m_Word.Mid(part2); | |
434 | dc.DrawText(txt, ofs + x + m_PosX, y + m_PosY); | |
435 | } | |
436 | else | |
437 | drawSelectionAfterCell = true; | |
438 | } | |
439 | else | |
440 | { | |
441 | wxHtmlSelectionState selstate = info.GetState().GetSelectionState(); | |
442 | // Not changing selection state, draw the word in single mode: | |
443 | if ( selstate != wxHTML_SEL_OUT && | |
444 | dc.GetBackgroundMode() != wxSOLID ) | |
445 | { | |
446 | SwitchSelState(dc, info, true); | |
447 | } | |
448 | else if ( selstate == wxHTML_SEL_OUT && | |
449 | dc.GetBackgroundMode() == wxSOLID ) | |
450 | { | |
451 | SwitchSelState(dc, info, false); | |
452 | } | |
453 | dc.DrawText(m_Word, x + m_PosX, y + m_PosY); | |
454 | drawSelectionAfterCell = (selstate != wxHTML_SEL_OUT); | |
455 | } | |
456 | ||
457 | // NB: If the text is justified then there is usually some free space | |
458 | // between adjacent cells and drawing the selection only onto cells | |
459 | // would result in ugly unselected spaces. The code below detects | |
460 | // this special case and renders the selection *outside* the sell, | |
461 | // too. | |
462 | if ( m_Parent->GetAlignHor() == wxHTML_ALIGN_JUSTIFY && | |
463 | drawSelectionAfterCell ) | |
464 | { | |
465 | wxHtmlCell *nextCell = m_Next; | |
466 | while ( nextCell && nextCell->IsFormattingCell() ) | |
467 | nextCell = nextCell->GetNext(); | |
468 | if ( nextCell ) | |
469 | { | |
470 | int nextX = nextCell->GetPosX(); | |
471 | if ( m_PosX + m_Width < nextX ) | |
472 | { | |
473 | dc.SetBrush(dc.GetBackground()); | |
474 | dc.SetPen(*wxTRANSPARENT_PEN); | |
475 | dc.DrawRectangle(x + m_PosX + m_Width, y + m_PosY, | |
476 | nextX - m_PosX - m_Width, m_Height); | |
477 | } | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
482 | ||
483 | wxString wxHtmlWordCell::ConvertToText(wxHtmlSelection *s) const | |
484 | { | |
485 | if ( s && (this == s->GetFromCell() || this == s->GetToCell()) ) | |
486 | { | |
487 | wxPoint priv = this == s->GetFromCell() ? s->GetFromPrivPos() | |
488 | : s->GetToPrivPos(); | |
489 | ||
490 | // VZ: we may be called before we had a chance to re-render ourselves | |
491 | // and in this case GetFrom/ToPrivPos() is not set yet -- assume | |
492 | // that this only happens in case of a double/triple click (which | |
493 | // seems to be the case now) and so it makes sense to select the | |
494 | // entire contents of the cell in this case | |
495 | // | |
496 | // TODO: but this really needs to be fixed in some better way later... | |
497 | if ( priv != wxDefaultPosition ) | |
498 | { | |
499 | int part1 = priv.x; | |
500 | int part2 = priv.y; | |
501 | return m_Word.Mid(part1, part2-part1); | |
502 | } | |
503 | //else: return the whole word below | |
504 | } | |
505 | ||
506 | return m_Word; | |
507 | } | |
508 | ||
509 | wxCursor wxHtmlWordCell::GetCursor() const | |
510 | { | |
511 | if ( !GetLink() ) | |
512 | { | |
513 | if ( !gs_cursorText ) | |
514 | gs_cursorText = new wxCursor(wxCURSOR_IBEAM); | |
515 | return *gs_cursorText; | |
516 | } | |
517 | else | |
518 | return wxHtmlCell::GetCursor(); | |
519 | } | |
520 | ||
521 | ||
522 | //----------------------------------------------------------------------------- | |
523 | // wxHtmlContainerCell | |
524 | //----------------------------------------------------------------------------- | |
525 | ||
526 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlContainerCell, wxHtmlCell) | |
527 | ||
528 | wxHtmlContainerCell::wxHtmlContainerCell(wxHtmlContainerCell *parent) : wxHtmlCell() | |
529 | { | |
530 | m_Cells = m_LastCell = NULL; | |
531 | m_Parent = parent; | |
532 | m_MaxTotalWidth = 0; | |
533 | if (m_Parent) m_Parent->InsertCell(this); | |
534 | m_AlignHor = wxHTML_ALIGN_LEFT; | |
535 | m_AlignVer = wxHTML_ALIGN_BOTTOM; | |
536 | m_IndentLeft = m_IndentRight = m_IndentTop = m_IndentBottom = 0; | |
537 | m_WidthFloat = 100; m_WidthFloatUnits = wxHTML_UNITS_PERCENT; | |
538 | m_UseBkColour = false; | |
539 | m_UseBorder = false; | |
540 | m_MinHeight = 0; | |
541 | m_MinHeightAlign = wxHTML_ALIGN_TOP; | |
542 | m_LastLayout = -1; | |
543 | } | |
544 | ||
545 | wxHtmlContainerCell::~wxHtmlContainerCell() | |
546 | { | |
547 | wxHtmlCell *cell = m_Cells; | |
548 | while ( cell ) | |
549 | { | |
550 | wxHtmlCell *cellNext = cell->GetNext(); | |
551 | delete cell; | |
552 | cell = cellNext; | |
553 | } | |
554 | } | |
555 | ||
556 | ||
557 | ||
558 | void wxHtmlContainerCell::SetIndent(int i, int what, int units) | |
559 | { | |
560 | int val = (units == wxHTML_UNITS_PIXELS) ? i : -i; | |
561 | if (what & wxHTML_INDENT_LEFT) m_IndentLeft = val; | |
562 | if (what & wxHTML_INDENT_RIGHT) m_IndentRight = val; | |
563 | if (what & wxHTML_INDENT_TOP) m_IndentTop = val; | |
564 | if (what & wxHTML_INDENT_BOTTOM) m_IndentBottom = val; | |
565 | m_LastLayout = -1; | |
566 | } | |
567 | ||
568 | ||
569 | ||
570 | int wxHtmlContainerCell::GetIndent(int ind) const | |
571 | { | |
572 | if (ind & wxHTML_INDENT_LEFT) return m_IndentLeft; | |
573 | else if (ind & wxHTML_INDENT_RIGHT) return m_IndentRight; | |
574 | else if (ind & wxHTML_INDENT_TOP) return m_IndentTop; | |
575 | else if (ind & wxHTML_INDENT_BOTTOM) return m_IndentBottom; | |
576 | else return -1; /* BUG! Should not be called... */ | |
577 | } | |
578 | ||
579 | ||
580 | ||
581 | ||
582 | int wxHtmlContainerCell::GetIndentUnits(int ind) const | |
583 | { | |
584 | bool p = false; | |
585 | if (ind & wxHTML_INDENT_LEFT) p = m_IndentLeft < 0; | |
586 | else if (ind & wxHTML_INDENT_RIGHT) p = m_IndentRight < 0; | |
587 | else if (ind & wxHTML_INDENT_TOP) p = m_IndentTop < 0; | |
588 | else if (ind & wxHTML_INDENT_BOTTOM) p = m_IndentBottom < 0; | |
589 | if (p) return wxHTML_UNITS_PERCENT; | |
590 | else return wxHTML_UNITS_PIXELS; | |
591 | } | |
592 | ||
593 | ||
594 | ||
595 | bool wxHtmlContainerCell::AdjustPagebreak(int *pagebreak, int* known_pagebreaks, int number_of_pages) const | |
596 | { | |
597 | if (!m_CanLiveOnPagebreak) | |
598 | return wxHtmlCell::AdjustPagebreak(pagebreak, known_pagebreaks, number_of_pages); | |
599 | ||
600 | else | |
601 | { | |
602 | wxHtmlCell *c = GetFirstChild(); | |
603 | bool rt = false; | |
604 | int pbrk = *pagebreak - m_PosY; | |
605 | ||
606 | while (c) | |
607 | { | |
608 | if (c->AdjustPagebreak(&pbrk, known_pagebreaks, number_of_pages)) | |
609 | rt = true; | |
610 | c = c->GetNext(); | |
611 | } | |
612 | if (rt) | |
613 | *pagebreak = pbrk + m_PosY; | |
614 | return rt; | |
615 | } | |
616 | } | |
617 | ||
618 | ||
619 | ||
620 | void wxHtmlContainerCell::Layout(int w) | |
621 | { | |
622 | wxHtmlCell::Layout(w); | |
623 | ||
624 | if (m_LastLayout == w) return; | |
625 | ||
626 | // VS: Any attempt to layout with negative or zero width leads to hell, | |
627 | // but we can't ignore such attempts completely, since it sometimes | |
628 | // happen (e.g. when trying how small a table can be). The best thing we | |
629 | // can do is to set the width of child cells to zero | |
630 | if (w < 1) | |
631 | { | |
632 | m_Width = 0; | |
633 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) | |
634 | cell->Layout(0); | |
635 | // this does two things: it recursively calls this code on all | |
636 | // child contrainers and resets children's position to (0,0) | |
637 | return; | |
638 | } | |
639 | ||
640 | wxHtmlCell *cell = m_Cells, | |
641 | *line = m_Cells; | |
642 | wxHtmlCell *nextCell; | |
643 | long xpos = 0, ypos = m_IndentTop; | |
644 | int xdelta = 0, ybasicpos = 0, ydiff; | |
645 | int s_width, nextWordWidth, s_indent; | |
646 | int ysizeup = 0, ysizedown = 0; | |
647 | int MaxLineWidth = 0; | |
648 | int curLineWidth = 0; | |
649 | m_MaxTotalWidth = 0; | |
650 | ||
651 | ||
652 | /* | |
653 | ||
654 | WIDTH ADJUSTING : | |
655 | ||
656 | */ | |
657 | ||
658 | if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) | |
659 | { | |
660 | if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100; | |
661 | else m_Width = m_WidthFloat * w / 100; | |
662 | } | |
663 | else | |
664 | { | |
665 | if (m_WidthFloat < 0) m_Width = w + m_WidthFloat; | |
666 | else m_Width = m_WidthFloat; | |
667 | } | |
668 | ||
669 | if (m_Cells) | |
670 | { | |
671 | int l = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; | |
672 | int r = (m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight; | |
673 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) | |
674 | cell->Layout(m_Width - (l + r)); | |
675 | } | |
676 | ||
677 | /* | |
678 | ||
679 | LAYOUTING : | |
680 | ||
681 | */ | |
682 | ||
683 | // adjust indentation: | |
684 | s_indent = (m_IndentLeft < 0) ? (-m_IndentLeft * m_Width / 100) : m_IndentLeft; | |
685 | s_width = m_Width - s_indent - ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); | |
686 | ||
687 | // my own layouting: | |
688 | while (cell != NULL) | |
689 | { | |
690 | switch (m_AlignVer) | |
691 | { | |
692 | case wxHTML_ALIGN_TOP : ybasicpos = 0; break; | |
693 | case wxHTML_ALIGN_BOTTOM : ybasicpos = - cell->GetHeight(); break; | |
694 | case wxHTML_ALIGN_CENTER : ybasicpos = - cell->GetHeight() / 2; break; | |
695 | } | |
696 | ydiff = cell->GetHeight() + ybasicpos; | |
697 | ||
698 | if (cell->GetDescent() + ydiff > ysizedown) ysizedown = cell->GetDescent() + ydiff; | |
699 | if (ybasicpos + cell->GetDescent() < -ysizeup) ysizeup = - (ybasicpos + cell->GetDescent()); | |
700 | ||
701 | // layout nonbreakable run of cells: | |
702 | cell->SetPos(xpos, ybasicpos + cell->GetDescent()); | |
703 | xpos += cell->GetWidth(); | |
704 | if (!cell->IsTerminalCell()) | |
705 | { | |
706 | // Container cell indicates new line | |
707 | if (curLineWidth > m_MaxTotalWidth) | |
708 | m_MaxTotalWidth = curLineWidth; | |
709 | ||
710 | if (wxMax(cell->GetWidth(), cell->GetMaxTotalWidth()) > m_MaxTotalWidth) | |
711 | m_MaxTotalWidth = cell->GetMaxTotalWidth(); | |
712 | curLineWidth = 0; | |
713 | } | |
714 | else | |
715 | // Normal cell, add maximum cell width to line width | |
716 | curLineWidth += cell->GetMaxTotalWidth(); | |
717 | ||
718 | cell = cell->GetNext(); | |
719 | ||
720 | // compute length of the next word that would be added: | |
721 | nextWordWidth = 0; | |
722 | if (cell) | |
723 | { | |
724 | nextCell = cell; | |
725 | do | |
726 | { | |
727 | nextWordWidth += nextCell->GetWidth(); | |
728 | nextCell = nextCell->GetNext(); | |
729 | } while (nextCell && !nextCell->IsLinebreakAllowed()); | |
730 | } | |
731 | ||
732 | // force new line if occured: | |
733 | if ((cell == NULL) || | |
734 | (xpos + nextWordWidth > s_width && cell->IsLinebreakAllowed())) | |
735 | { | |
736 | if (xpos > MaxLineWidth) MaxLineWidth = xpos; | |
737 | if (ysizeup < 0) ysizeup = 0; | |
738 | if (ysizedown < 0) ysizedown = 0; | |
739 | switch (m_AlignHor) { | |
740 | case wxHTML_ALIGN_LEFT : | |
741 | case wxHTML_ALIGN_JUSTIFY : | |
742 | xdelta = 0; | |
743 | break; | |
744 | case wxHTML_ALIGN_RIGHT : | |
745 | xdelta = 0 + (s_width - xpos); | |
746 | break; | |
747 | case wxHTML_ALIGN_CENTER : | |
748 | xdelta = 0 + (s_width - xpos) / 2; | |
749 | break; | |
750 | } | |
751 | if (xdelta < 0) xdelta = 0; | |
752 | xdelta += s_indent; | |
753 | ||
754 | ypos += ysizeup; | |
755 | ||
756 | if (m_AlignHor != wxHTML_ALIGN_JUSTIFY || cell == NULL) | |
757 | { | |
758 | while (line != cell) | |
759 | { | |
760 | line->SetPos(line->GetPosX() + xdelta, | |
761 | ypos + line->GetPosY()); | |
762 | line = line->GetNext(); | |
763 | } | |
764 | } | |
765 | else // align == justify | |
766 | { | |
767 | // we have to distribute the extra horz space between the cells | |
768 | // on this line | |
769 | ||
770 | // an added complication is that some cells have fixed size and | |
771 | // shouldn't get any increment (it so happens that these cells | |
772 | // also don't allow line break on them which provides with an | |
773 | // easy way to test for this) -- and neither should the cells | |
774 | // adjacent to them as this could result in a visible space | |
775 | // between two cells separated by, e.g. font change, cell which | |
776 | // is wrong | |
777 | ||
778 | int step = s_width - xpos; | |
779 | if ( step > 0 ) | |
780 | { | |
781 | // first count the cells which will get extra space | |
782 | int total = 0; | |
783 | ||
784 | const wxHtmlCell *c; | |
785 | if ( line != cell ) | |
786 | { | |
787 | for ( c = line->GetNext(); c != cell; c = c->GetNext() ) | |
788 | { | |
789 | if ( c->IsLinebreakAllowed() ) | |
790 | { | |
791 | total++; | |
792 | } | |
793 | } | |
794 | } | |
795 | ||
796 | // and now extra space to those cells which merit it | |
797 | if ( total ) | |
798 | { | |
799 | // first cell on line is not moved: | |
800 | line->SetPos(line->GetPosX() + s_indent, | |
801 | line->GetPosY() + ypos); | |
802 | ||
803 | line = line->GetNext(); | |
804 | for ( int n = 0; line != cell; line = line->GetNext() ) | |
805 | { | |
806 | if ( line->IsLinebreakAllowed() ) | |
807 | { | |
808 | // offset the next cell relative to this one | |
809 | // thus increasing our size | |
810 | n++; | |
811 | } | |
812 | ||
813 | line->SetPos(line->GetPosX() + s_indent + | |
814 | ((n * step) / total), | |
815 | line->GetPosY() + ypos); | |
816 | } | |
817 | } | |
818 | else | |
819 | { | |
820 | // this will cause the code to enter "else branch" below: | |
821 | step = 0; | |
822 | } | |
823 | } | |
824 | // else branch: | |
825 | if ( step <= 0 ) // no extra space to distribute | |
826 | { | |
827 | // just set the indent properly | |
828 | while (line != cell) | |
829 | { | |
830 | line->SetPos(line->GetPosX() + s_indent, | |
831 | line->GetPosY() + ypos); | |
832 | line = line->GetNext(); | |
833 | } | |
834 | } | |
835 | } | |
836 | ||
837 | ypos += ysizedown; | |
838 | xpos = 0; | |
839 | ysizeup = ysizedown = 0; | |
840 | line = cell; | |
841 | } | |
842 | } | |
843 | ||
844 | // setup height & width, depending on container layout: | |
845 | m_Height = ypos + (ysizedown + ysizeup) + m_IndentBottom; | |
846 | ||
847 | if (m_Height < m_MinHeight) | |
848 | { | |
849 | if (m_MinHeightAlign != wxHTML_ALIGN_TOP) | |
850 | { | |
851 | int diff = m_MinHeight - m_Height; | |
852 | if (m_MinHeightAlign == wxHTML_ALIGN_CENTER) diff /= 2; | |
853 | cell = m_Cells; | |
854 | while (cell) | |
855 | { | |
856 | cell->SetPos(cell->GetPosX(), cell->GetPosY() + diff); | |
857 | cell = cell->GetNext(); | |
858 | } | |
859 | } | |
860 | m_Height = m_MinHeight; | |
861 | } | |
862 | ||
863 | if (curLineWidth > m_MaxTotalWidth) | |
864 | m_MaxTotalWidth = curLineWidth; | |
865 | ||
866 | m_MaxTotalWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); | |
867 | MaxLineWidth += s_indent + ((m_IndentRight < 0) ? (-m_IndentRight * m_Width / 100) : m_IndentRight); | |
868 | if (m_Width < MaxLineWidth) m_Width = MaxLineWidth; | |
869 | ||
870 | m_LastLayout = w; | |
871 | } | |
872 | ||
873 | void wxHtmlContainerCell::UpdateRenderingStatePre(wxHtmlRenderingInfo& info, | |
874 | wxHtmlCell *cell) const | |
875 | { | |
876 | wxHtmlSelection *s = info.GetSelection(); | |
877 | if (!s) return; | |
878 | if (s->GetFromCell() == cell || s->GetToCell() == cell) | |
879 | { | |
880 | info.GetState().SetSelectionState(wxHTML_SEL_CHANGING); | |
881 | } | |
882 | } | |
883 | ||
884 | void wxHtmlContainerCell::UpdateRenderingStatePost(wxHtmlRenderingInfo& info, | |
885 | wxHtmlCell *cell) const | |
886 | { | |
887 | wxHtmlSelection *s = info.GetSelection(); | |
888 | if (!s) return; | |
889 | if (s->GetToCell() == cell) | |
890 | info.GetState().SetSelectionState(wxHTML_SEL_OUT); | |
891 | else if (s->GetFromCell() == cell) | |
892 | info.GetState().SetSelectionState(wxHTML_SEL_IN); | |
893 | } | |
894 | ||
895 | #define mMin(a, b) (((a) < (b)) ? (a) : (b)) | |
896 | #define mMax(a, b) (((a) < (b)) ? (b) : (a)) | |
897 | ||
898 | void wxHtmlContainerCell::Draw(wxDC& dc, int x, int y, int view_y1, int view_y2, | |
899 | wxHtmlRenderingInfo& info) | |
900 | { | |
901 | #if 0 // useful for debugging | |
902 | dc.SetPen(*wxRED_PEN); | |
903 | dc.DrawRectangle(x+m_PosX,y+m_PosY,m_Width,m_Height); | |
904 | #endif | |
905 | // container visible, draw it: | |
906 | if ((y + m_PosY <= view_y2) && (y + m_PosY + m_Height > view_y1)) | |
907 | { | |
908 | if (m_UseBkColour) | |
909 | { | |
910 | wxBrush myb = wxBrush(m_BkColour, wxSOLID); | |
911 | ||
912 | int real_y1 = mMax(y + m_PosY, view_y1); | |
913 | int real_y2 = mMin(y + m_PosY + m_Height - 1, view_y2); | |
914 | ||
915 | dc.SetBrush(myb); | |
916 | dc.SetPen(*wxTRANSPARENT_PEN); | |
917 | dc.DrawRectangle(x + m_PosX, real_y1, m_Width, real_y2 - real_y1 + 1); | |
918 | } | |
919 | ||
920 | if (m_UseBorder) | |
921 | { | |
922 | wxPen mypen1(m_BorderColour1, 1, wxSOLID); | |
923 | wxPen mypen2(m_BorderColour2, 1, wxSOLID); | |
924 | ||
925 | dc.SetPen(mypen1); | |
926 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX, y + m_PosY + m_Height - 1); | |
927 | dc.DrawLine(x + m_PosX, y + m_PosY, x + m_PosX + m_Width, y + m_PosY); | |
928 | dc.SetPen(mypen2); | |
929 | dc.DrawLine(x + m_PosX + m_Width - 1, y + m_PosY, x + m_PosX + m_Width - 1, y + m_PosY + m_Height - 1); | |
930 | dc.DrawLine(x + m_PosX, y + m_PosY + m_Height - 1, x + m_PosX + m_Width, y + m_PosY + m_Height - 1); | |
931 | } | |
932 | ||
933 | if (m_Cells) | |
934 | { | |
935 | // draw container's contents: | |
936 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) | |
937 | { | |
938 | UpdateRenderingStatePre(info, cell); | |
939 | cell->Draw(dc, | |
940 | x + m_PosX, y + m_PosY, view_y1, view_y2, | |
941 | info); | |
942 | UpdateRenderingStatePost(info, cell); | |
943 | } | |
944 | } | |
945 | } | |
946 | // container invisible, just proceed font+color changing: | |
947 | else | |
948 | { | |
949 | DrawInvisible(dc, x, y, info); | |
950 | } | |
951 | } | |
952 | ||
953 | ||
954 | ||
955 | void wxHtmlContainerCell::DrawInvisible(wxDC& dc, int x, int y, | |
956 | wxHtmlRenderingInfo& info) | |
957 | { | |
958 | if (m_Cells) | |
959 | { | |
960 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) | |
961 | { | |
962 | UpdateRenderingStatePre(info, cell); | |
963 | cell->DrawInvisible(dc, x + m_PosX, y + m_PosY, info); | |
964 | UpdateRenderingStatePost(info, cell); | |
965 | } | |
966 | } | |
967 | } | |
968 | ||
969 | ||
970 | wxColour wxHtmlContainerCell::GetBackgroundColour() | |
971 | { | |
972 | if (m_UseBkColour) | |
973 | return m_BkColour; | |
974 | else | |
975 | return wxNullColour; | |
976 | } | |
977 | ||
978 | ||
979 | ||
980 | wxHtmlLinkInfo *wxHtmlContainerCell::GetLink(int x, int y) const | |
981 | { | |
982 | wxHtmlCell *cell = FindCellByPos(x, y); | |
983 | ||
984 | // VZ: I don't know if we should pass absolute or relative coords to | |
985 | // wxHtmlCell::GetLink()? As the base class version just ignores them | |
986 | // anyhow, it hardly matters right now but should still be clarified | |
987 | return cell ? cell->GetLink(x, y) : NULL; | |
988 | } | |
989 | ||
990 | ||
991 | ||
992 | void wxHtmlContainerCell::InsertCell(wxHtmlCell *f) | |
993 | { | |
994 | if (!m_Cells) m_Cells = m_LastCell = f; | |
995 | else | |
996 | { | |
997 | m_LastCell->SetNext(f); | |
998 | m_LastCell = f; | |
999 | if (m_LastCell) while (m_LastCell->GetNext()) m_LastCell = m_LastCell->GetNext(); | |
1000 | } | |
1001 | f->SetParent(this); | |
1002 | m_LastLayout = -1; | |
1003 | } | |
1004 | ||
1005 | ||
1006 | ||
1007 | void wxHtmlContainerCell::SetAlign(const wxHtmlTag& tag) | |
1008 | { | |
1009 | if (tag.HasParam(wxT("ALIGN"))) | |
1010 | { | |
1011 | wxString alg = tag.GetParam(wxT("ALIGN")); | |
1012 | alg.MakeUpper(); | |
1013 | if (alg == wxT("CENTER")) | |
1014 | SetAlignHor(wxHTML_ALIGN_CENTER); | |
1015 | else if (alg == wxT("LEFT")) | |
1016 | SetAlignHor(wxHTML_ALIGN_LEFT); | |
1017 | else if (alg == wxT("JUSTIFY")) | |
1018 | SetAlignHor(wxHTML_ALIGN_JUSTIFY); | |
1019 | else if (alg == wxT("RIGHT")) | |
1020 | SetAlignHor(wxHTML_ALIGN_RIGHT); | |
1021 | m_LastLayout = -1; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | ||
1026 | ||
1027 | void wxHtmlContainerCell::SetWidthFloat(const wxHtmlTag& tag, double pixel_scale) | |
1028 | { | |
1029 | if (tag.HasParam(wxT("WIDTH"))) | |
1030 | { | |
1031 | int wdi; | |
1032 | wxString wd = tag.GetParam(wxT("WIDTH")); | |
1033 | ||
1034 | if (wd[wd.Length()-1] == wxT('%')) | |
1035 | { | |
1036 | wxSscanf(wd.c_str(), wxT("%i%%"), &wdi); | |
1037 | SetWidthFloat(wdi, wxHTML_UNITS_PERCENT); | |
1038 | } | |
1039 | else | |
1040 | { | |
1041 | wxSscanf(wd.c_str(), wxT("%i"), &wdi); | |
1042 | SetWidthFloat((int)(pixel_scale * (double)wdi), wxHTML_UNITS_PIXELS); | |
1043 | } | |
1044 | m_LastLayout = -1; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | ||
1049 | ||
1050 | const wxHtmlCell* wxHtmlContainerCell::Find(int condition, const void* param) const | |
1051 | { | |
1052 | if (m_Cells) | |
1053 | { | |
1054 | for (wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext()) | |
1055 | { | |
1056 | const wxHtmlCell *r = cell->Find(condition, param); | |
1057 | if (r) return r; | |
1058 | } | |
1059 | } | |
1060 | return NULL; | |
1061 | } | |
1062 | ||
1063 | ||
1064 | wxHtmlCell *wxHtmlContainerCell::FindCellByPos(wxCoord x, wxCoord y, | |
1065 | unsigned flags) const | |
1066 | { | |
1067 | if ( flags & wxHTML_FIND_EXACT ) | |
1068 | { | |
1069 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) | |
1070 | { | |
1071 | int cx = cell->GetPosX(), | |
1072 | cy = cell->GetPosY(); | |
1073 | ||
1074 | if ( (cx <= x) && (cx + cell->GetWidth() > x) && | |
1075 | (cy <= y) && (cy + cell->GetHeight() > y) ) | |
1076 | { | |
1077 | return cell->FindCellByPos(x - cx, y - cy, flags); | |
1078 | } | |
1079 | } | |
1080 | } | |
1081 | else if ( flags & wxHTML_FIND_NEAREST_AFTER ) | |
1082 | { | |
1083 | wxHtmlCell *c; | |
1084 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) | |
1085 | { | |
1086 | if ( cell->IsFormattingCell() ) | |
1087 | continue; | |
1088 | int cellY = cell->GetPosY(); | |
1089 | if (!( y < cellY || (y < cellY + cell->GetHeight() && | |
1090 | x < cell->GetPosX() + cell->GetWidth()) )) | |
1091 | continue; | |
1092 | ||
1093 | c = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags); | |
1094 | if (c) return c; | |
1095 | } | |
1096 | } | |
1097 | else if ( flags & wxHTML_FIND_NEAREST_BEFORE ) | |
1098 | { | |
1099 | wxHtmlCell *c2, *c = NULL; | |
1100 | for ( const wxHtmlCell *cell = m_Cells; cell; cell = cell->GetNext() ) | |
1101 | { | |
1102 | if ( cell->IsFormattingCell() ) | |
1103 | continue; | |
1104 | int cellY = cell->GetPosY(); | |
1105 | if (!( cellY + cell->GetHeight() <= y || | |
1106 | (y >= cellY && x >= cell->GetPosX()) )) | |
1107 | break; | |
1108 | c2 = cell->FindCellByPos(x - cell->GetPosX(), y - cellY, flags); | |
1109 | if (c2) | |
1110 | c = c2; | |
1111 | } | |
1112 | if (c) return c; | |
1113 | } | |
1114 | ||
1115 | return NULL; | |
1116 | } | |
1117 | ||
1118 | ||
1119 | void wxHtmlContainerCell::OnMouseClick(wxWindow *parent, int x, int y, const wxMouseEvent& event) | |
1120 | { | |
1121 | wxHtmlCell *cell = FindCellByPos(x, y); | |
1122 | if ( cell ) | |
1123 | cell->OnMouseClick(parent, x, y, event); | |
1124 | } | |
1125 | ||
1126 | ||
1127 | ||
1128 | wxHtmlCell *wxHtmlContainerCell::GetFirstTerminal() const | |
1129 | { | |
1130 | if ( m_Cells ) | |
1131 | { | |
1132 | wxHtmlCell *c2; | |
1133 | for (wxHtmlCell *c = m_Cells; c; c = c->GetNext()) | |
1134 | { | |
1135 | c2 = c->GetFirstTerminal(); | |
1136 | if ( c2 ) | |
1137 | return c2; | |
1138 | } | |
1139 | } | |
1140 | return NULL; | |
1141 | } | |
1142 | ||
1143 | wxHtmlCell *wxHtmlContainerCell::GetLastTerminal() const | |
1144 | { | |
1145 | if ( m_Cells ) | |
1146 | { | |
1147 | // most common case first: | |
1148 | wxHtmlCell *c = m_LastCell->GetLastTerminal(); | |
1149 | if ( c ) | |
1150 | return c; | |
1151 | ||
1152 | wxHtmlCell *ctmp; | |
1153 | wxHtmlCell *c2 = NULL; | |
1154 | for (c = m_Cells; c; c = c->GetNext()) | |
1155 | { | |
1156 | ctmp = c->GetLastTerminal(); | |
1157 | if ( ctmp ) | |
1158 | c2 = ctmp; | |
1159 | } | |
1160 | return c2; | |
1161 | } | |
1162 | else | |
1163 | return NULL; | |
1164 | } | |
1165 | ||
1166 | ||
1167 | static bool IsEmptyContainer(wxHtmlContainerCell *cell) | |
1168 | { | |
1169 | for ( wxHtmlCell *c = cell->GetFirstChild(); c; c = c->GetNext() ) | |
1170 | { | |
1171 | if ( !c->IsTerminalCell() || !c->IsFormattingCell() ) | |
1172 | return false; | |
1173 | } | |
1174 | return true; | |
1175 | } | |
1176 | ||
1177 | void wxHtmlContainerCell::RemoveExtraSpacing(bool top, bool bottom) | |
1178 | { | |
1179 | if ( top ) | |
1180 | SetIndent(0, wxHTML_INDENT_TOP); | |
1181 | if ( bottom ) | |
1182 | SetIndent(0, wxHTML_INDENT_BOTTOM); | |
1183 | ||
1184 | if ( m_Cells ) | |
1185 | { | |
1186 | wxHtmlCell *c; | |
1187 | wxHtmlContainerCell *cont; | |
1188 | if ( top ) | |
1189 | { | |
1190 | for ( c = m_Cells; c; c = c->GetNext() ) | |
1191 | { | |
1192 | if ( c->IsTerminalCell() ) | |
1193 | { | |
1194 | if ( !c->IsFormattingCell() ) | |
1195 | break; | |
1196 | } | |
1197 | else | |
1198 | { | |
1199 | cont = (wxHtmlContainerCell*)c; | |
1200 | if ( IsEmptyContainer(cont) ) | |
1201 | { | |
1202 | cont->SetIndent(0, wxHTML_INDENT_VERTICAL); | |
1203 | } | |
1204 | else | |
1205 | { | |
1206 | cont->RemoveExtraSpacing(true, false); | |
1207 | break; | |
1208 | } | |
1209 | } | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | if ( bottom ) | |
1214 | { | |
1215 | wxArrayPtrVoid arr; | |
1216 | for ( c = m_Cells; c; c = c->GetNext() ) | |
1217 | arr.Add((void*)c); | |
1218 | ||
1219 | for ( int i = arr.GetCount() - 1; i >= 0; i--) | |
1220 | { | |
1221 | c = (wxHtmlCell*)arr[i]; | |
1222 | if ( c->IsTerminalCell() ) | |
1223 | { | |
1224 | if ( !c->IsFormattingCell() ) | |
1225 | break; | |
1226 | } | |
1227 | else | |
1228 | { | |
1229 | cont = (wxHtmlContainerCell*)c; | |
1230 | if ( IsEmptyContainer(cont) ) | |
1231 | { | |
1232 | cont->SetIndent(0, wxHTML_INDENT_VERTICAL); } | |
1233 | else | |
1234 | { | |
1235 | cont->RemoveExtraSpacing(false, true); | |
1236 | break; | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | } | |
1241 | } | |
1242 | } | |
1243 | ||
1244 | ||
1245 | ||
1246 | ||
1247 | // -------------------------------------------------------------------------- | |
1248 | // wxHtmlColourCell | |
1249 | // -------------------------------------------------------------------------- | |
1250 | ||
1251 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlColourCell, wxHtmlCell) | |
1252 | ||
1253 | void wxHtmlColourCell::Draw(wxDC& dc, | |
1254 | int x, int y, | |
1255 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), | |
1256 | wxHtmlRenderingInfo& info) | |
1257 | { | |
1258 | DrawInvisible(dc, x, y, info); | |
1259 | } | |
1260 | ||
1261 | void wxHtmlColourCell::DrawInvisible(wxDC& dc, | |
1262 | int WXUNUSED(x), int WXUNUSED(y), | |
1263 | wxHtmlRenderingInfo& info) | |
1264 | { | |
1265 | wxHtmlRenderingState& state = info.GetState(); | |
1266 | if (m_Flags & wxHTML_CLR_FOREGROUND) | |
1267 | { | |
1268 | state.SetFgColour(m_Colour); | |
1269 | if (state.GetSelectionState() != wxHTML_SEL_IN) | |
1270 | dc.SetTextForeground(m_Colour); | |
1271 | else | |
1272 | dc.SetTextForeground( | |
1273 | info.GetStyle().GetSelectedTextColour(m_Colour)); | |
1274 | } | |
1275 | if (m_Flags & wxHTML_CLR_BACKGROUND) | |
1276 | { | |
1277 | state.SetBgColour(m_Colour); | |
1278 | if (state.GetSelectionState() != wxHTML_SEL_IN) | |
1279 | { | |
1280 | dc.SetTextBackground(m_Colour); | |
1281 | dc.SetBackground(wxBrush(m_Colour, wxSOLID)); | |
1282 | } | |
1283 | else | |
1284 | { | |
1285 | wxColour c = info.GetStyle().GetSelectedTextBgColour(m_Colour); | |
1286 | dc.SetTextBackground(c); | |
1287 | dc.SetBackground(wxBrush(c, wxSOLID)); | |
1288 | } | |
1289 | } | |
1290 | } | |
1291 | ||
1292 | ||
1293 | ||
1294 | ||
1295 | // --------------------------------------------------------------------------- | |
1296 | // wxHtmlFontCell | |
1297 | // --------------------------------------------------------------------------- | |
1298 | ||
1299 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlFontCell, wxHtmlCell) | |
1300 | ||
1301 | void wxHtmlFontCell::Draw(wxDC& dc, | |
1302 | int WXUNUSED(x), int WXUNUSED(y), | |
1303 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), | |
1304 | wxHtmlRenderingInfo& WXUNUSED(info)) | |
1305 | { | |
1306 | dc.SetFont(m_Font); | |
1307 | } | |
1308 | ||
1309 | void wxHtmlFontCell::DrawInvisible(wxDC& dc, int WXUNUSED(x), int WXUNUSED(y), | |
1310 | wxHtmlRenderingInfo& WXUNUSED(info)) | |
1311 | { | |
1312 | dc.SetFont(m_Font); | |
1313 | } | |
1314 | ||
1315 | ||
1316 | ||
1317 | ||
1318 | ||
1319 | ||
1320 | ||
1321 | ||
1322 | // --------------------------------------------------------------------------- | |
1323 | // wxHtmlWidgetCell | |
1324 | // --------------------------------------------------------------------------- | |
1325 | ||
1326 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlWidgetCell, wxHtmlCell) | |
1327 | ||
1328 | wxHtmlWidgetCell::wxHtmlWidgetCell(wxWindow *wnd, int w) | |
1329 | { | |
1330 | int sx, sy; | |
1331 | m_Wnd = wnd; | |
1332 | m_Wnd->GetSize(&sx, &sy); | |
1333 | m_Width = sx, m_Height = sy; | |
1334 | m_WidthFloat = w; | |
1335 | } | |
1336 | ||
1337 | ||
1338 | void wxHtmlWidgetCell::Draw(wxDC& WXUNUSED(dc), | |
1339 | int WXUNUSED(x), int WXUNUSED(y), | |
1340 | int WXUNUSED(view_y1), int WXUNUSED(view_y2), | |
1341 | wxHtmlRenderingInfo& WXUNUSED(info)) | |
1342 | { | |
1343 | int absx = 0, absy = 0, stx, sty; | |
1344 | wxHtmlCell *c = this; | |
1345 | ||
1346 | while (c) | |
1347 | { | |
1348 | absx += c->GetPosX(); | |
1349 | absy += c->GetPosY(); | |
1350 | c = c->GetParent(); | |
1351 | } | |
1352 | ||
1353 | ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); | |
1354 | m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height); | |
1355 | } | |
1356 | ||
1357 | ||
1358 | ||
1359 | void wxHtmlWidgetCell::DrawInvisible(wxDC& WXUNUSED(dc), | |
1360 | int WXUNUSED(x), int WXUNUSED(y), | |
1361 | wxHtmlRenderingInfo& WXUNUSED(info)) | |
1362 | { | |
1363 | int absx = 0, absy = 0, stx, sty; | |
1364 | wxHtmlCell *c = this; | |
1365 | ||
1366 | while (c) | |
1367 | { | |
1368 | absx += c->GetPosX(); | |
1369 | absy += c->GetPosY(); | |
1370 | c = c->GetParent(); | |
1371 | } | |
1372 | ||
1373 | ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); | |
1374 | m_Wnd->SetSize(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty, m_Width, m_Height); | |
1375 | } | |
1376 | ||
1377 | ||
1378 | ||
1379 | void wxHtmlWidgetCell::Layout(int w) | |
1380 | { | |
1381 | if (m_WidthFloat != 0) | |
1382 | { | |
1383 | m_Width = (w * m_WidthFloat) / 100; | |
1384 | m_Wnd->SetSize(m_Width, m_Height); | |
1385 | } | |
1386 | ||
1387 | wxHtmlCell::Layout(w); | |
1388 | } | |
1389 | ||
1390 | ||
1391 | ||
1392 | // ---------------------------------------------------------------------------- | |
1393 | // wxHtmlTerminalCellsInterator | |
1394 | // ---------------------------------------------------------------------------- | |
1395 | ||
1396 | const wxHtmlCell* wxHtmlTerminalCellsInterator::operator++() | |
1397 | { | |
1398 | if ( !m_pos ) | |
1399 | return NULL; | |
1400 | ||
1401 | do | |
1402 | { | |
1403 | if ( m_pos == m_to ) | |
1404 | { | |
1405 | m_pos = NULL; | |
1406 | return NULL; | |
1407 | } | |
1408 | ||
1409 | if ( m_pos->GetNext() ) | |
1410 | m_pos = m_pos->GetNext(); | |
1411 | else | |
1412 | { | |
1413 | // we must go up the hierarchy until we reach container where this | |
1414 | // is not the last child, and then go down to first terminal cell: | |
1415 | while ( m_pos->GetNext() == NULL ) | |
1416 | { | |
1417 | m_pos = m_pos->GetParent(); | |
1418 | if ( !m_pos ) | |
1419 | return NULL; | |
1420 | } | |
1421 | m_pos = m_pos->GetNext(); | |
1422 | } | |
1423 | while ( m_pos->GetFirstChild() != NULL ) | |
1424 | m_pos = m_pos->GetFirstChild(); | |
1425 | } while ( !m_pos->IsTerminalCell() ); | |
1426 | ||
1427 | return m_pos; | |
1428 | } | |
1429 | ||
1430 | ||
1431 | ||
1432 | ||
1433 | ||
1434 | ||
1435 | ||
1436 | //----------------------------------------------------------------------------- | |
1437 | // Cleanup | |
1438 | //----------------------------------------------------------------------------- | |
1439 | ||
1440 | class wxHtmlCellModule: public wxModule | |
1441 | { | |
1442 | DECLARE_DYNAMIC_CLASS(wxHtmlCellModule) | |
1443 | public: | |
1444 | wxHtmlCellModule() : wxModule() {} | |
1445 | bool OnInit() { return true; } | |
1446 | void OnExit() | |
1447 | { | |
1448 | wxDELETE(gs_cursorLink); | |
1449 | wxDELETE(gs_cursorText); | |
1450 | } | |
1451 | }; | |
1452 | ||
1453 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellModule, wxModule) | |
1454 | ||
1455 | #endif |