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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: htmlwin.cpp | |
3 | // Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation) | |
4 | // Author: Vaclav Slavik | |
5 | // RCS-ID: $Id$ | |
6 | // Copyright: (c) 1999 Vaclav Slavik | |
7 | // Licence: wxWindows Licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "htmlwin.h" | |
13 | #pragma implementation "htmlproc.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/wxprec.h" | |
17 | ||
18 | #include "wx/defs.h" | |
19 | #if wxUSE_HTML && wxUSE_STREAMS | |
20 | ||
21 | #ifdef __BORDLANDC__ | |
22 | #pragma hdrstop | |
23 | #endif | |
24 | ||
25 | #ifndef WXPRECOMP | |
26 | #include "wx/wx.h" | |
27 | #endif | |
28 | ||
29 | #include "wx/html/htmlwin.h" | |
30 | #include "wx/html/forcelnk.h" | |
31 | #include "wx/html/htmlproc.h" | |
32 | #include "wx/log.h" | |
33 | #include "wx/arrimpl.cpp" | |
34 | #include "wx/list.h" | |
35 | #include "wx/listimpl.cpp" | |
36 | ||
37 | //----------------------------------------------------------------------------- | |
38 | // wxHtmlHistoryItem | |
39 | //----------------------------------------------------------------------------- | |
40 | ||
41 | // item of history list | |
42 | class WXDLLEXPORT wxHtmlHistoryItem : public wxObject | |
43 | { | |
44 | public: | |
45 | wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;} | |
46 | int GetPos() const {return m_Pos;} | |
47 | void SetPos(int p) {m_Pos = p;} | |
48 | const wxString& GetPage() const {return m_Page;} | |
49 | const wxString& GetAnchor() const {return m_Anchor;} | |
50 | ||
51 | private: | |
52 | wxString m_Page; | |
53 | wxString m_Anchor; | |
54 | int m_Pos; | |
55 | }; | |
56 | ||
57 | ||
58 | //----------------------------------------------------------------------------- | |
59 | // our private arrays: | |
60 | //----------------------------------------------------------------------------- | |
61 | ||
62 | WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray); | |
63 | WX_DEFINE_OBJARRAY(wxHtmlHistoryArray); | |
64 | ||
65 | WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList); | |
66 | WX_DEFINE_LIST(wxHtmlProcessorList); | |
67 | ||
68 | //----------------------------------------------------------------------------- | |
69 | // wxHtmlWindow | |
70 | //----------------------------------------------------------------------------- | |
71 | ||
72 | ||
73 | wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, | |
74 | long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, style | wxVSCROLL | wxHSCROLL, name) | |
75 | { | |
76 | m_tmpMouseMoved = FALSE; | |
77 | m_tmpLastLink = NULL; | |
78 | m_tmpCanDrawLocks = 0; | |
79 | m_FS = new wxFileSystem(); | |
80 | m_RelatedStatusBar = -1; | |
81 | m_RelatedFrame = NULL; | |
82 | m_TitleFormat = wxT("%s"); | |
83 | m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; | |
84 | m_Cell = NULL; | |
85 | m_Parser = new wxHtmlWinParser(this); | |
86 | m_Parser->SetFS(m_FS); | |
87 | SetBorders(10); | |
88 | m_HistoryPos = -1; | |
89 | m_HistoryOn = TRUE; | |
90 | m_History = new wxHtmlHistoryArray; | |
91 | m_Processors = NULL; | |
92 | m_Style = style; | |
93 | SetPage(wxT("<html><body></body></html>")); | |
94 | } | |
95 | ||
96 | ||
97 | ||
98 | wxHtmlWindow::~wxHtmlWindow() | |
99 | { | |
100 | HistoryClear(); | |
101 | ||
102 | if (m_Cell) delete m_Cell; | |
103 | ||
104 | delete m_Parser; | |
105 | delete m_FS; | |
106 | delete m_History; | |
107 | delete m_Processors; | |
108 | } | |
109 | ||
110 | ||
111 | ||
112 | void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format) | |
113 | { | |
114 | m_RelatedFrame = frame; | |
115 | m_TitleFormat = format; | |
116 | } | |
117 | ||
118 | ||
119 | ||
120 | void wxHtmlWindow::SetRelatedStatusBar(int bar) | |
121 | { | |
122 | m_RelatedStatusBar = bar; | |
123 | } | |
124 | ||
125 | ||
126 | ||
127 | void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes) | |
128 | { | |
129 | wxString op = m_OpenedPage; | |
130 | ||
131 | m_Parser->SetFonts(normal_face, fixed_face, sizes); | |
132 | // fonts changed => contents invalid, so reload the page: | |
133 | SetPage(wxT("<html><body></body></html>")); | |
134 | if (!op.IsEmpty()) LoadPage(op); | |
135 | } | |
136 | ||
137 | ||
138 | ||
139 | bool wxHtmlWindow::SetPage(const wxString& source) | |
140 | { | |
141 | wxString newsrc(source); | |
142 | ||
143 | // pass HTML through registered processors: | |
144 | if (m_Processors || m_GlobalProcessors) | |
145 | { | |
146 | wxHtmlProcessorList::Node *nodeL, *nodeG; | |
147 | int prL, prG; | |
148 | ||
149 | nodeL = (m_Processors) ? m_Processors->GetFirst() : NULL; | |
150 | nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : NULL; | |
151 | ||
152 | // VS: there are two lists, global and local, both of them sorted by | |
153 | // priority. Since we have to go through _both_ lists with | |
154 | // decreasing priority, we "merge-sort" the lists on-line by | |
155 | // processing that one of the two heads that has higher priority | |
156 | // in every iteration | |
157 | while (nodeL || nodeG) | |
158 | { | |
159 | prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1; | |
160 | prG = (nodeG) ? nodeG->GetData()->GetPriority() : -1; | |
161 | if (prL > prG) | |
162 | { | |
163 | if (nodeL->GetData()->IsEnabled()) | |
164 | newsrc = nodeL->GetData()->Process(newsrc); | |
165 | nodeL = nodeL->GetNext(); | |
166 | } | |
167 | else // prL <= prG | |
168 | { | |
169 | if (nodeG->GetData()->IsEnabled()) | |
170 | newsrc = nodeG->GetData()->Process(newsrc); | |
171 | nodeG = nodeG->GetNext(); | |
172 | } | |
173 | } | |
174 | } | |
175 | ||
176 | // ...and run the parser on it: | |
177 | wxClientDC *dc = new wxClientDC(this); | |
178 | dc->SetMapMode(wxMM_TEXT); | |
179 | SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); | |
180 | m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; | |
181 | m_Parser->SetDC(dc); | |
182 | if (m_Cell) | |
183 | { | |
184 | delete m_Cell; | |
185 | m_Cell = NULL; | |
186 | } | |
187 | m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc); | |
188 | delete dc; | |
189 | m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS); | |
190 | m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER); | |
191 | CreateLayout(); | |
192 | if (m_tmpCanDrawLocks == 0) | |
193 | Refresh(); | |
194 | return TRUE; | |
195 | } | |
196 | ||
197 | ||
198 | bool wxHtmlWindow::LoadPage(const wxString& location) | |
199 | { | |
200 | wxFSFile *f; | |
201 | bool rt_val; | |
202 | bool needs_refresh = FALSE; | |
203 | ||
204 | SetCursor(*wxHOURGLASS_CURSOR); | |
205 | wxYield(); Refresh(FALSE); | |
206 | ||
207 | m_tmpCanDrawLocks++; | |
208 | if (m_HistoryOn && (m_HistoryPos != -1)) | |
209 | { | |
210 | // store scroll position into history item: | |
211 | int x, y; | |
212 | GetViewStart(&x, &y); | |
213 | (*m_History)[m_HistoryPos].SetPos(y); | |
214 | } | |
215 | ||
216 | if (location[0] == wxT('#')) | |
217 | { | |
218 | // local anchor: | |
219 | wxString anch = location.Mid(1) /*1 to end*/; | |
220 | m_tmpCanDrawLocks--; | |
221 | rt_val = ScrollToAnchor(anch); | |
222 | m_tmpCanDrawLocks++; | |
223 | } | |
224 | else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage) | |
225 | { | |
226 | wxString anch = location.AfterFirst(wxT('#')); | |
227 | m_tmpCanDrawLocks--; | |
228 | rt_val = ScrollToAnchor(anch); | |
229 | m_tmpCanDrawLocks++; | |
230 | } | |
231 | else if (location.Find(wxT('#')) != wxNOT_FOUND && | |
232 | (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage) | |
233 | { | |
234 | wxString anch = location.AfterFirst(wxT('#')); | |
235 | m_tmpCanDrawLocks--; | |
236 | rt_val = ScrollToAnchor(anch); | |
237 | m_tmpCanDrawLocks++; | |
238 | } | |
239 | ||
240 | else | |
241 | { | |
242 | needs_refresh = TRUE; | |
243 | // load&display it: | |
244 | if (m_RelatedStatusBar != -1) | |
245 | { | |
246 | m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar); | |
247 | Refresh(FALSE); | |
248 | } | |
249 | ||
250 | f = m_FS->OpenFile(location); | |
251 | ||
252 | if (f == NULL) | |
253 | { | |
254 | wxLogError(_("Unable to open requested HTML document: %s"), location.c_str()); | |
255 | m_tmpCanDrawLocks--; | |
256 | ||
257 | SetCursor(*wxSTANDARD_CURSOR); | |
258 | return FALSE; | |
259 | } | |
260 | ||
261 | else | |
262 | { | |
263 | wxNode *node; | |
264 | wxString src = wxEmptyString; | |
265 | ||
266 | if (m_RelatedStatusBar != -1) | |
267 | { | |
268 | wxString msg = _("Loading : ") + location; | |
269 | m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar); | |
270 | Refresh(FALSE); | |
271 | } | |
272 | ||
273 | node = m_Filters.GetFirst(); | |
274 | while (node) | |
275 | { | |
276 | wxHtmlFilter *h = (wxHtmlFilter*) node->GetData(); | |
277 | if (h->CanRead(*f)) | |
278 | { | |
279 | src = h->ReadFile(*f); | |
280 | break; | |
281 | } | |
282 | node = node->GetNext(); | |
283 | } | |
284 | if (src == wxEmptyString) | |
285 | { | |
286 | if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter(); | |
287 | src = m_DefaultFilter->ReadFile(*f); | |
288 | } | |
289 | ||
290 | m_FS->ChangePathTo(f->GetLocation()); | |
291 | rt_val = SetPage(src); | |
292 | m_OpenedPage = f->GetLocation(); | |
293 | if (f->GetAnchor() != wxEmptyString) | |
294 | { | |
295 | wxYield(); | |
296 | ScrollToAnchor(f->GetAnchor()); | |
297 | } | |
298 | ||
299 | delete f; | |
300 | ||
301 | if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar); | |
302 | } | |
303 | } | |
304 | ||
305 | if (m_HistoryOn) // add this page to history there: | |
306 | { | |
307 | int c = m_History->GetCount() - (m_HistoryPos + 1); | |
308 | ||
309 | if (m_HistoryPos < 0 || | |
310 | (*m_History)[m_HistoryPos].GetPage() != m_OpenedPage || | |
311 | (*m_History)[m_HistoryPos].GetAnchor() != m_OpenedAnchor) | |
312 | { | |
313 | m_HistoryPos++; | |
314 | for (int i = 0; i < c; i++) | |
315 | m_History->Remove(m_HistoryPos); | |
316 | m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor)); | |
317 | } | |
318 | } | |
319 | ||
320 | if (m_OpenedPageTitle == wxEmptyString) | |
321 | OnSetTitle(wxFileNameFromPath(m_OpenedPage)); | |
322 | SetCursor(*wxSTANDARD_CURSOR); | |
323 | ||
324 | if (needs_refresh) | |
325 | { | |
326 | wxYield(); | |
327 | m_tmpCanDrawLocks--; | |
328 | Refresh(); | |
329 | } | |
330 | else | |
331 | m_tmpCanDrawLocks--; | |
332 | ||
333 | return rt_val; | |
334 | } | |
335 | ||
336 | ||
337 | ||
338 | bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor) | |
339 | { | |
340 | const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor); | |
341 | if (!c) | |
342 | { | |
343 | wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str()); | |
344 | return FALSE; | |
345 | } | |
346 | else | |
347 | { | |
348 | int y; | |
349 | ||
350 | for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY(); | |
351 | Scroll(-1, y / wxHTML_SCROLL_STEP); | |
352 | m_OpenedAnchor = anchor; | |
353 | return TRUE; | |
354 | } | |
355 | } | |
356 | ||
357 | ||
358 | void wxHtmlWindow::OnSetTitle(const wxString& title) | |
359 | { | |
360 | if (m_RelatedFrame) | |
361 | { | |
362 | wxString tit; | |
363 | tit.Printf(m_TitleFormat, title.c_str()); | |
364 | m_RelatedFrame->SetTitle(tit); | |
365 | } | |
366 | m_OpenedPageTitle = title; | |
367 | } | |
368 | ||
369 | ||
370 | ||
371 | ||
372 | ||
373 | void wxHtmlWindow::CreateLayout() | |
374 | { | |
375 | int ClientWidth, ClientHeight; | |
376 | ||
377 | if (!m_Cell) return; | |
378 | ||
379 | if (m_Style & wxHW_SCROLLBAR_NEVER) | |
380 | { | |
381 | SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off | |
382 | GetClientSize(&ClientWidth, &ClientHeight); | |
383 | m_Cell->Layout(ClientWidth); | |
384 | } | |
385 | ||
386 | else { | |
387 | GetClientSize(&ClientWidth, &ClientHeight); | |
388 | m_Cell->Layout(ClientWidth); | |
389 | if (ClientHeight < m_Cell->GetHeight() + GetCharHeight()) | |
390 | { | |
391 | SetScrollbars( | |
392 | wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP, | |
393 | m_Cell->GetWidth() / wxHTML_SCROLL_STEP, | |
394 | (m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP | |
395 | /*cheat: top-level frag is always container*/); | |
396 | } | |
397 | else /* we fit into window, no need for scrollbars */ | |
398 | { | |
399 | SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable... | |
400 | GetClientSize(&ClientWidth, &ClientHeight); | |
401 | m_Cell->Layout(ClientWidth); // ...and relayout | |
402 | } | |
403 | } | |
404 | } | |
405 | ||
406 | ||
407 | ||
408 | void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path) | |
409 | { | |
410 | wxString oldpath; | |
411 | wxString tmp; | |
412 | int p_fontsizes[7]; | |
413 | wxString p_fff, p_ffn; | |
414 | ||
415 | if (path != wxEmptyString) | |
416 | { | |
417 | oldpath = cfg->GetPath(); | |
418 | cfg->SetPath(path); | |
419 | } | |
420 | ||
421 | m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders); | |
422 | p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed); | |
423 | p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal); | |
424 | for (int i = 0; i < 7; i++) | |
425 | { | |
426 | tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i); | |
427 | p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]); | |
428 | } | |
429 | SetFonts(p_ffn, p_fff, p_fontsizes); | |
430 | ||
431 | if (path != wxEmptyString) | |
432 | cfg->SetPath(oldpath); | |
433 | } | |
434 | ||
435 | ||
436 | ||
437 | void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path) | |
438 | { | |
439 | wxString oldpath; | |
440 | wxString tmp; | |
441 | ||
442 | if (path != wxEmptyString) | |
443 | { | |
444 | oldpath = cfg->GetPath(); | |
445 | cfg->SetPath(path); | |
446 | } | |
447 | ||
448 | cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders); | |
449 | cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed); | |
450 | cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal); | |
451 | for (int i = 0; i < 7; i++) | |
452 | { | |
453 | tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i); | |
454 | cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]); | |
455 | } | |
456 | ||
457 | if (path != wxEmptyString) | |
458 | cfg->SetPath(oldpath); | |
459 | } | |
460 | ||
461 | ||
462 | ||
463 | bool wxHtmlWindow::HistoryBack() | |
464 | { | |
465 | wxString a, l; | |
466 | ||
467 | if (m_HistoryPos < 1) return FALSE; | |
468 | ||
469 | // store scroll position into history item: | |
470 | int x, y; | |
471 | GetViewStart(&x, &y); | |
472 | (*m_History)[m_HistoryPos].SetPos(y); | |
473 | ||
474 | // go to previous position: | |
475 | m_HistoryPos--; | |
476 | ||
477 | l = (*m_History)[m_HistoryPos].GetPage(); | |
478 | a = (*m_History)[m_HistoryPos].GetAnchor(); | |
479 | m_HistoryOn = FALSE; | |
480 | m_tmpCanDrawLocks++; | |
481 | if (a == wxEmptyString) LoadPage(l); | |
482 | else LoadPage(l + wxT("#") + a); | |
483 | m_HistoryOn = TRUE; | |
484 | wxYield(); | |
485 | m_tmpCanDrawLocks--; | |
486 | Scroll(0, (*m_History)[m_HistoryPos].GetPos()); | |
487 | Refresh(); | |
488 | return TRUE; | |
489 | } | |
490 | ||
491 | bool wxHtmlWindow::HistoryCanBack() | |
492 | { | |
493 | if (m_HistoryPos < 1) return FALSE; | |
494 | return TRUE ; | |
495 | } | |
496 | ||
497 | ||
498 | bool wxHtmlWindow::HistoryForward() | |
499 | { | |
500 | wxString a, l; | |
501 | ||
502 | if (m_HistoryPos == -1) return FALSE; | |
503 | if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE; | |
504 | ||
505 | m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage() | |
506 | ||
507 | m_HistoryPos++; | |
508 | l = (*m_History)[m_HistoryPos].GetPage(); | |
509 | a = (*m_History)[m_HistoryPos].GetAnchor(); | |
510 | m_HistoryOn = FALSE; | |
511 | m_tmpCanDrawLocks++; | |
512 | if (a == wxEmptyString) LoadPage(l); | |
513 | else LoadPage(l + wxT("#") + a); | |
514 | m_HistoryOn = TRUE; | |
515 | wxYield(); | |
516 | m_tmpCanDrawLocks--; | |
517 | Scroll(0, (*m_History)[m_HistoryPos].GetPos()); | |
518 | Refresh(); | |
519 | return TRUE; | |
520 | } | |
521 | ||
522 | bool wxHtmlWindow::HistoryCanForward() | |
523 | { | |
524 | if (m_HistoryPos == -1) return FALSE; | |
525 | if (m_HistoryPos >= (int)m_History->GetCount() - 1)return FALSE; | |
526 | return TRUE ; | |
527 | } | |
528 | ||
529 | ||
530 | void wxHtmlWindow::HistoryClear() | |
531 | { | |
532 | m_History->Empty(); | |
533 | m_HistoryPos = -1; | |
534 | } | |
535 | ||
536 | void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor) | |
537 | { | |
538 | if (!m_Processors) | |
539 | { | |
540 | m_Processors = new wxHtmlProcessorList; | |
541 | m_Processors->DeleteContents(TRUE); | |
542 | } | |
543 | wxHtmlProcessorList::Node *node; | |
544 | ||
545 | for (node = m_Processors->GetFirst(); node; node = node->GetNext()) | |
546 | { | |
547 | if (processor->GetPriority() > node->GetData()->GetPriority()) | |
548 | { | |
549 | m_Processors->Insert(node, processor); | |
550 | return; | |
551 | } | |
552 | } | |
553 | m_Processors->Append(processor); | |
554 | } | |
555 | ||
556 | /*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor) | |
557 | { | |
558 | if (!m_GlobalProcessors) | |
559 | { | |
560 | m_GlobalProcessors = new wxHtmlProcessorList; | |
561 | m_GlobalProcessors->DeleteContents(TRUE); | |
562 | } | |
563 | wxHtmlProcessorList::Node *node; | |
564 | ||
565 | for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext()) | |
566 | { | |
567 | if (processor->GetPriority() > node->GetData()->GetPriority()) | |
568 | { | |
569 | m_GlobalProcessors->Insert(node, processor); | |
570 | return; | |
571 | } | |
572 | } | |
573 | m_GlobalProcessors->Append(processor); | |
574 | } | |
575 | ||
576 | ||
577 | ||
578 | wxList wxHtmlWindow::m_Filters; | |
579 | wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; | |
580 | wxCursor *wxHtmlWindow::s_cur_hand = NULL; | |
581 | wxCursor *wxHtmlWindow::s_cur_arrow = NULL; | |
582 | wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; | |
583 | ||
584 | void wxHtmlWindow::CleanUpStatics() | |
585 | { | |
586 | delete m_DefaultFilter; | |
587 | m_DefaultFilter = NULL; | |
588 | m_Filters.DeleteContents(TRUE); | |
589 | m_Filters.Clear(); | |
590 | delete m_GlobalProcessors; | |
591 | m_GlobalProcessors = NULL; | |
592 | delete s_cur_hand; | |
593 | delete s_cur_arrow; | |
594 | } | |
595 | ||
596 | ||
597 | ||
598 | void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) | |
599 | { | |
600 | m_Filters.Append(filter); | |
601 | } | |
602 | ||
603 | ||
604 | ||
605 | ||
606 | void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) | |
607 | { | |
608 | LoadPage(link.GetHref()); | |
609 | } | |
610 | ||
611 | ||
612 | ||
613 | void wxHtmlWindow::OnDraw(wxDC& dc) | |
614 | { | |
615 | int x, y; | |
616 | wxRegionIterator upd(GetUpdateRegion()); // get the update rect list | |
617 | int v_y, v_h; | |
618 | ||
619 | if (m_tmpCanDrawLocks > 0) return; | |
620 | ||
621 | dc.SetMapMode(wxMM_TEXT); | |
622 | #if 0 | |
623 | /* VS - I don't think this is neccessary any longer | |
624 | MSC_VER 1200 means MSVC 6.0 and it works fine */ | |
625 | #if defined(_MSC_VER) && (_MSC_VER == 1200) | |
626 | ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT); | |
627 | #endif | |
628 | #endif | |
629 | dc.SetBackgroundMode(wxTRANSPARENT); | |
630 | GetViewStart(&x, &y); | |
631 | ||
632 | while (upd) | |
633 | { | |
634 | v_y = upd.GetY(); | |
635 | v_h = upd.GetH(); | |
636 | if (m_Cell) m_Cell->Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y); | |
637 | upd++; | |
638 | } | |
639 | } | |
640 | ||
641 | ||
642 | ||
643 | ||
644 | void wxHtmlWindow::OnSize(wxSizeEvent& event) | |
645 | { | |
646 | wxScrolledWindow::OnSize(event); | |
647 | CreateLayout(); | |
648 | Refresh(); | |
649 | } | |
650 | ||
651 | ||
652 | void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event) | |
653 | { | |
654 | m_tmpMouseMoved = TRUE; | |
655 | ||
656 | if (event.ButtonDown()) | |
657 | { | |
658 | int sx, sy; | |
659 | wxPoint pos; | |
660 | wxString lnk; | |
661 | ||
662 | GetViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP; | |
663 | pos = event.GetPosition(); | |
664 | ||
665 | if (m_Cell) | |
666 | m_Cell->OnMouseClick(this, sx + pos.x, sy + pos.y, event); | |
667 | } | |
668 | } | |
669 | ||
670 | ||
671 | ||
672 | void wxHtmlWindow::OnIdle(wxIdleEvent& WXUNUSED(event)) | |
673 | { | |
674 | if (s_cur_hand == NULL) | |
675 | { | |
676 | s_cur_hand = new wxCursor(wxCURSOR_HAND); | |
677 | s_cur_arrow = new wxCursor(wxCURSOR_ARROW); | |
678 | } | |
679 | ||
680 | if (m_tmpMouseMoved && (m_Cell != NULL)) | |
681 | { | |
682 | int sx, sy; | |
683 | int x, y; | |
684 | wxHtmlLinkInfo *lnk; | |
685 | ||
686 | GetViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP; | |
687 | wxGetMousePosition(&x, &y); | |
688 | ScreenToClient(&x, &y); | |
689 | lnk = m_Cell->GetLink(sx + x, sy + y); | |
690 | ||
691 | if (lnk != m_tmpLastLink) | |
692 | { | |
693 | if (lnk == NULL) | |
694 | { | |
695 | SetCursor(*s_cur_arrow); | |
696 | if (m_RelatedStatusBar != -1) m_RelatedFrame->SetStatusText(wxEmptyString, m_RelatedStatusBar); | |
697 | } | |
698 | else | |
699 | { | |
700 | SetCursor(*s_cur_hand); | |
701 | if (m_RelatedStatusBar != -1) | |
702 | m_RelatedFrame->SetStatusText(lnk->GetHref(), m_RelatedStatusBar); | |
703 | } | |
704 | m_tmpLastLink = lnk; | |
705 | } | |
706 | m_tmpMouseMoved = FALSE; | |
707 | } | |
708 | } | |
709 | ||
710 | ||
711 | IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject) | |
712 | ||
713 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow) | |
714 | ||
715 | BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow) | |
716 | EVT_SIZE(wxHtmlWindow::OnSize) | |
717 | EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent) | |
718 | EVT_MOTION(wxHtmlWindow::OnMouseEvent) | |
719 | EVT_IDLE(wxHtmlWindow::OnIdle) | |
720 | END_EVENT_TABLE() | |
721 | ||
722 | ||
723 | ||
724 | ||
725 | ||
726 | // A module to allow initialization/cleanup | |
727 | // without calling these functions from app.cpp or from | |
728 | // the user's application. | |
729 | ||
730 | class wxHtmlWinModule: public wxModule | |
731 | { | |
732 | DECLARE_DYNAMIC_CLASS(wxHtmlWinModule) | |
733 | public: | |
734 | wxHtmlWinModule() : wxModule() {} | |
735 | bool OnInit() { return TRUE; } | |
736 | void OnExit() { wxHtmlWindow::CleanUpStatics(); } | |
737 | }; | |
738 | ||
739 | IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule) | |
740 | ||
741 | ||
742 | ||
743 | ||
744 | ///// default mod handlers are forced there: | |
745 | ||
746 | FORCE_LINK(m_layout) | |
747 | FORCE_LINK(m_fonts) | |
748 | FORCE_LINK(m_image) | |
749 | FORCE_LINK(m_list) | |
750 | FORCE_LINK(m_dflist) | |
751 | FORCE_LINK(m_pre) | |
752 | FORCE_LINK(m_hline) | |
753 | FORCE_LINK(m_links) | |
754 | FORCE_LINK(m_tables) | |
755 | FORCE_LINK(m_meta) | |
756 | ||
757 | ||
758 | #endif |