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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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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 __BORLANDC__
22 #pragma hdrstop
23 #endif
24
25 #ifndef WXPRECOMP
26 #include "wx/log.h"
27 #include "wx/intl.h"
28 #include "wx/dcclient.h"
29 #include "wx/frame.h"
30 #endif
31
32 #include "wx/html/htmlwin.h"
33 #include "wx/html/htmlproc.h"
34 #include "wx/list.h"
35 #include "wx/clipbrd.h"
36 #include "wx/dataobj.h"
37 #include "wx/timer.h"
38 #include "wx/dcmemory.h"
39 #include "wx/settings.h"
40
41 #include "wx/arrimpl.cpp"
42 #include "wx/listimpl.cpp"
43
44
45 #if wxUSE_CLIPBOARD
46 // ----------------------------------------------------------------------------
47 // wxHtmlWinAutoScrollTimer: the timer used to generate a stream of scroll
48 // events when a captured mouse is held outside the window
49 // ----------------------------------------------------------------------------
50
51 class wxHtmlWinAutoScrollTimer : public wxTimer
52 {
53 public:
54 wxHtmlWinAutoScrollTimer(wxScrolledWindow *win,
55 wxEventType eventTypeToSend,
56 int pos, int orient)
57 {
58 m_win = win;
59 m_eventType = eventTypeToSend;
60 m_pos = pos;
61 m_orient = orient;
62 }
63
64 virtual void Notify();
65
66 private:
67 wxScrolledWindow *m_win;
68 wxEventType m_eventType;
69 int m_pos,
70 m_orient;
71
72 DECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer)
73 };
74
75 void wxHtmlWinAutoScrollTimer::Notify()
76 {
77 // only do all this as long as the window is capturing the mouse
78 if ( wxWindow::GetCapture() != m_win )
79 {
80 Stop();
81 }
82 else // we still capture the mouse, continue generating events
83 {
84 // first scroll the window if we are allowed to do it
85 wxScrollWinEvent event1(m_eventType, m_pos, m_orient);
86 event1.SetEventObject(m_win);
87 if ( m_win->GetEventHandler()->ProcessEvent(event1) )
88 {
89 // and then send a pseudo mouse-move event to refresh the selection
90 wxMouseEvent event2(wxEVT_MOTION);
91 wxGetMousePosition(&event2.m_x, &event2.m_y);
92
93 // the mouse event coordinates should be client, not screen as
94 // returned by wxGetMousePosition
95 wxWindow *parentTop = m_win;
96 while ( parentTop->GetParent() )
97 parentTop = parentTop->GetParent();
98 wxPoint ptOrig = parentTop->GetPosition();
99 event2.m_x -= ptOrig.x;
100 event2.m_y -= ptOrig.y;
101
102 event2.SetEventObject(m_win);
103
104 // FIXME: we don't fill in the other members - ok?
105 m_win->GetEventHandler()->ProcessEvent(event2);
106 }
107 else // can't scroll further, stop
108 {
109 Stop();
110 }
111 }
112 }
113
114 #endif // wxUSE_CLIPBOARD
115
116
117
118 //-----------------------------------------------------------------------------
119 // wxHtmlHistoryItem
120 //-----------------------------------------------------------------------------
121
122 // item of history list
123 class WXDLLIMPEXP_HTML wxHtmlHistoryItem
124 {
125 public:
126 wxHtmlHistoryItem(const wxString& p, const wxString& a) {m_Page = p, m_Anchor = a, m_Pos = 0;}
127 int GetPos() const {return m_Pos;}
128 void SetPos(int p) {m_Pos = p;}
129 const wxString& GetPage() const {return m_Page;}
130 const wxString& GetAnchor() const {return m_Anchor;}
131
132 private:
133 wxString m_Page;
134 wxString m_Anchor;
135 int m_Pos;
136 };
137
138
139 //-----------------------------------------------------------------------------
140 // our private arrays:
141 //-----------------------------------------------------------------------------
142
143 WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray);
144 WX_DEFINE_OBJARRAY(wxHtmlHistoryArray);
145
146 WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList);
147 WX_DEFINE_LIST(wxHtmlProcessorList);
148
149 //-----------------------------------------------------------------------------
150 // wxHtmlWindow
151 //-----------------------------------------------------------------------------
152
153
154 void wxHtmlWindow::Init()
155 {
156 m_tmpMouseMoved = false;
157 m_tmpLastLink = NULL;
158 m_tmpLastCell = NULL;
159 m_tmpCanDrawLocks = 0;
160 m_FS = new wxFileSystem();
161 #if wxUSE_STATUSBAR
162 m_RelatedStatusBar = -1;
163 #endif // wxUSE_STATUSBAR
164 m_RelatedFrame = NULL;
165 m_TitleFormat = wxT("%s");
166 m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
167 m_Cell = NULL;
168 m_Parser = new wxHtmlWinParser(this);
169 m_Parser->SetFS(m_FS);
170 m_HistoryPos = -1;
171 m_HistoryOn = true;
172 m_History = new wxHtmlHistoryArray;
173 m_Processors = NULL;
174 m_Style = 0;
175 SetBorders(10);
176 m_selection = NULL;
177 m_makingSelection = false;
178 #if wxUSE_CLIPBOARD
179 m_timerAutoScroll = NULL;
180 m_lastDoubleClick = 0;
181 #endif // wxUSE_CLIPBOARD
182 m_backBuffer = NULL;
183 }
184
185 bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id,
186 const wxPoint& pos, const wxSize& size,
187 long style, const wxString& name)
188 {
189 if (!wxScrolledWindow::Create(parent, id, pos, size,
190 style | wxVSCROLL | wxHSCROLL,
191 name))
192 return false;
193
194 m_Style = style;
195 SetPage(wxT("<html><body></body></html>"));
196 return true;
197 }
198
199
200 wxHtmlWindow::~wxHtmlWindow()
201 {
202 #if wxUSE_CLIPBOARD
203 StopAutoScrolling();
204 #endif // wxUSE_CLIPBOARD
205 HistoryClear();
206
207 delete m_selection;
208
209 delete m_Cell;
210
211 if ( m_Processors )
212 {
213 WX_CLEAR_LIST(wxHtmlProcessorList, *m_Processors);
214 }
215
216 delete m_Parser;
217 delete m_FS;
218 delete m_History;
219 delete m_Processors;
220 delete m_backBuffer;
221 }
222
223
224
225 void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
226 {
227 m_RelatedFrame = frame;
228 m_TitleFormat = format;
229 }
230
231
232
233 #if wxUSE_STATUSBAR
234 void wxHtmlWindow::SetRelatedStatusBar(int bar)
235 {
236 m_RelatedStatusBar = bar;
237 }
238 #endif // wxUSE_STATUSBAR
239
240
241
242 void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
243 {
244 wxString op = m_OpenedPage;
245
246 m_Parser->SetFonts(normal_face, fixed_face, sizes);
247 // fonts changed => contents invalid, so reload the page:
248 SetPage(wxT("<html><body></body></html>"));
249 if (!op.empty())
250 LoadPage(op);
251 }
252
253 void wxHtmlWindow::SetStandardFonts(int size,
254 const wxString& normal_face,
255 const wxString& fixed_face)
256 {
257 wxString op = m_OpenedPage;
258
259 m_Parser->SetStandardFonts(size, normal_face, fixed_face);
260 // fonts changed => contents invalid, so reload the page:
261 SetPage(wxT("<html><body></body></html>"));
262 if (!op.empty())
263 LoadPage(op);
264 }
265
266
267 bool wxHtmlWindow::SetPage(const wxString& source)
268 {
269 wxString newsrc(source);
270
271 wxDELETE(m_selection);
272
273 // pass HTML through registered processors:
274 if (m_Processors || m_GlobalProcessors)
275 {
276 wxHtmlProcessorList::compatibility_iterator nodeL, nodeG;
277 int prL, prG;
278
279 nodeL = (m_Processors) ? m_Processors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
280 nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : wxHtmlProcessorList::compatibility_iterator();
281
282 // VS: there are two lists, global and local, both of them sorted by
283 // priority. Since we have to go through _both_ lists with
284 // decreasing priority, we "merge-sort" the lists on-line by
285 // processing that one of the two heads that has higher priority
286 // in every iteration
287 while (nodeL || nodeG)
288 {
289 prL = (nodeL) ? nodeL->GetData()->GetPriority() : -1;
290 prG = (nodeG) ? nodeG->GetData()->GetPriority() : -1;
291 if (prL > prG)
292 {
293 if (nodeL->GetData()->IsEnabled())
294 newsrc = nodeL->GetData()->Process(newsrc);
295 nodeL = nodeL->GetNext();
296 }
297 else // prL <= prG
298 {
299 if (nodeG->GetData()->IsEnabled())
300 newsrc = nodeG->GetData()->Process(newsrc);
301 nodeG = nodeG->GetNext();
302 }
303 }
304 }
305
306 // ...and run the parser on it:
307 wxClientDC *dc = new wxClientDC(this);
308 dc->SetMapMode(wxMM_TEXT);
309 SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
310 m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
311 m_Parser->SetDC(dc);
312 if (m_Cell)
313 {
314 delete m_Cell;
315 m_Cell = NULL;
316 }
317 m_Cell = (wxHtmlContainerCell*) m_Parser->Parse(newsrc);
318 delete dc;
319 m_Cell->SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
320 m_Cell->SetAlignHor(wxHTML_ALIGN_CENTER);
321 CreateLayout();
322 if (m_tmpCanDrawLocks == 0)
323 Refresh();
324 return true;
325 }
326
327 bool wxHtmlWindow::AppendToPage(const wxString& source)
328 {
329 return SetPage(*(GetParser()->GetSource()) + source);
330 }
331
332 bool wxHtmlWindow::LoadPage(const wxString& location)
333 {
334 wxBusyCursor busyCursor;
335
336 wxFSFile *f;
337 bool rt_val;
338 bool needs_refresh = false;
339
340 m_tmpCanDrawLocks++;
341 if (m_HistoryOn && (m_HistoryPos != -1))
342 {
343 // store scroll position into history item:
344 int x, y;
345 GetViewStart(&x, &y);
346 (*m_History)[m_HistoryPos].SetPos(y);
347 }
348
349 if (location[0] == wxT('#'))
350 {
351 // local anchor:
352 wxString anch = location.Mid(1) /*1 to end*/;
353 m_tmpCanDrawLocks--;
354 rt_val = ScrollToAnchor(anch);
355 m_tmpCanDrawLocks++;
356 }
357 else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage)
358 {
359 wxString anch = location.AfterFirst(wxT('#'));
360 m_tmpCanDrawLocks--;
361 rt_val = ScrollToAnchor(anch);
362 m_tmpCanDrawLocks++;
363 }
364 else if (location.Find(wxT('#')) != wxNOT_FOUND &&
365 (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage)
366 {
367 wxString anch = location.AfterFirst(wxT('#'));
368 m_tmpCanDrawLocks--;
369 rt_val = ScrollToAnchor(anch);
370 m_tmpCanDrawLocks++;
371 }
372
373 else
374 {
375 needs_refresh = true;
376 #if wxUSE_STATUSBAR
377 // load&display it:
378 if (m_RelatedStatusBar != -1)
379 {
380 m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
381 Refresh(false);
382 }
383 #endif // wxUSE_STATUSBAR
384
385 f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);
386
387 // try to interpret 'location' as filename instead of URL:
388 if (f == NULL)
389 {
390 wxFileName fn(location);
391 wxString location2 = wxFileSystem::FileNameToURL(fn);
392 f = m_Parser->OpenURL(wxHTML_URL_PAGE, location2);
393 }
394
395 if (f == NULL)
396 {
397 wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
398 m_tmpCanDrawLocks--;
399 return false;
400 }
401
402 else
403 {
404 wxList::compatibility_iterator node;
405 wxString src = wxEmptyString;
406
407 #if wxUSE_STATUSBAR
408 if (m_RelatedStatusBar != -1)
409 {
410 wxString msg = _("Loading : ") + location;
411 m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
412 Refresh(false);
413 }
414 #endif // wxUSE_STATUSBAR
415
416 node = m_Filters.GetFirst();
417 while (node)
418 {
419 wxHtmlFilter *h = (wxHtmlFilter*) node->GetData();
420 if (h->CanRead(*f))
421 {
422 src = h->ReadFile(*f);
423 break;
424 }
425 node = node->GetNext();
426 }
427 if (src == wxEmptyString)
428 {
429 if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
430 src = m_DefaultFilter->ReadFile(*f);
431 }
432
433 m_FS->ChangePathTo(f->GetLocation());
434 rt_val = SetPage(src);
435 m_OpenedPage = f->GetLocation();
436 if (f->GetAnchor() != wxEmptyString)
437 {
438 ScrollToAnchor(f->GetAnchor());
439 }
440
441 delete f;
442
443 #if wxUSE_STATUSBAR
444 if (m_RelatedStatusBar != -1)
445 m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
446 #endif // wxUSE_STATUSBAR
447 }
448 }
449
450 if (m_HistoryOn) // add this page to history there:
451 {
452 int c = m_History->GetCount() - (m_HistoryPos + 1);
453
454 if (m_HistoryPos < 0 ||
455 (*m_History)[m_HistoryPos].GetPage() != m_OpenedPage ||
456 (*m_History)[m_HistoryPos].GetAnchor() != m_OpenedAnchor)
457 {
458 m_HistoryPos++;
459 for (int i = 0; i < c; i++)
460 m_History->RemoveAt(m_HistoryPos);
461 m_History->Add(new wxHtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
462 }
463 }
464
465 if (m_OpenedPageTitle == wxEmptyString)
466 OnSetTitle(wxFileNameFromPath(m_OpenedPage));
467
468 if (needs_refresh)
469 {
470 m_tmpCanDrawLocks--;
471 Refresh();
472 }
473 else
474 m_tmpCanDrawLocks--;
475
476 return rt_val;
477 }
478
479
480 bool wxHtmlWindow::LoadFile(const wxFileName& filename)
481 {
482 wxString url = wxFileSystem::FileNameToURL(filename);
483 return LoadPage(url);
484 }
485
486
487 bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
488 {
489 const wxHtmlCell *c = m_Cell->Find(wxHTML_COND_ISANCHOR, &anchor);
490 if (!c)
491 {
492 wxLogWarning(_("HTML anchor %s does not exist."), anchor.c_str());
493 return false;
494 }
495 else
496 {
497 int y;
498
499 for (y = 0; c != NULL; c = c->GetParent()) y += c->GetPosY();
500 Scroll(-1, y / wxHTML_SCROLL_STEP);
501 m_OpenedAnchor = anchor;
502 return true;
503 }
504 }
505
506
507 void wxHtmlWindow::OnSetTitle(const wxString& title)
508 {
509 if (m_RelatedFrame)
510 {
511 wxString tit;
512 tit.Printf(m_TitleFormat, title.c_str());
513 m_RelatedFrame->SetTitle(tit);
514 }
515 m_OpenedPageTitle = title;
516 }
517
518
519
520
521
522 void wxHtmlWindow::CreateLayout()
523 {
524 int ClientWidth, ClientHeight;
525
526 if (!m_Cell) return;
527
528 if (m_Style & wxHW_SCROLLBAR_NEVER)
529 {
530 SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
531 GetClientSize(&ClientWidth, &ClientHeight);
532 m_Cell->Layout(ClientWidth);
533 }
534
535 else {
536 GetClientSize(&ClientWidth, &ClientHeight);
537 m_Cell->Layout(ClientWidth);
538 if (ClientHeight < m_Cell->GetHeight() + GetCharHeight())
539 {
540 SetScrollbars(
541 wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
542 m_Cell->GetWidth() / wxHTML_SCROLL_STEP,
543 (m_Cell->GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
544 /*cheat: top-level frag is always container*/);
545 }
546 else /* we fit into window, no need for scrollbars */
547 {
548 SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
549 GetClientSize(&ClientWidth, &ClientHeight);
550 m_Cell->Layout(ClientWidth); // ...and relayout
551 }
552 }
553 }
554
555
556
557 void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
558 {
559 wxString oldpath;
560 wxString tmp;
561 int p_fontsizes[7];
562 wxString p_fff, p_ffn;
563
564 if (path != wxEmptyString)
565 {
566 oldpath = cfg->GetPath();
567 cfg->SetPath(path);
568 }
569
570 m_Borders = cfg->Read(wxT("wxHtmlWindow/Borders"), m_Borders);
571 p_fff = cfg->Read(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
572 p_ffn = cfg->Read(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
573 for (int i = 0; i < 7; i++)
574 {
575 tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
576 p_fontsizes[i] = cfg->Read(tmp, m_Parser->m_FontsSizes[i]);
577 }
578 SetFonts(p_ffn, p_fff, p_fontsizes);
579
580 if (path != wxEmptyString)
581 cfg->SetPath(oldpath);
582 }
583
584
585
586 void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
587 {
588 wxString oldpath;
589 wxString tmp;
590
591 if (path != wxEmptyString)
592 {
593 oldpath = cfg->GetPath();
594 cfg->SetPath(path);
595 }
596
597 cfg->Write(wxT("wxHtmlWindow/Borders"), (long) m_Borders);
598 cfg->Write(wxT("wxHtmlWindow/FontFaceFixed"), m_Parser->m_FontFaceFixed);
599 cfg->Write(wxT("wxHtmlWindow/FontFaceNormal"), m_Parser->m_FontFaceNormal);
600 for (int i = 0; i < 7; i++)
601 {
602 tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
603 cfg->Write(tmp, (long) m_Parser->m_FontsSizes[i]);
604 }
605
606 if (path != wxEmptyString)
607 cfg->SetPath(oldpath);
608 }
609
610
611
612 bool wxHtmlWindow::HistoryBack()
613 {
614 wxString a, l;
615
616 if (m_HistoryPos < 1) return false;
617
618 // store scroll position into history item:
619 int x, y;
620 GetViewStart(&x, &y);
621 (*m_History)[m_HistoryPos].SetPos(y);
622
623 // go to previous position:
624 m_HistoryPos--;
625
626 l = (*m_History)[m_HistoryPos].GetPage();
627 a = (*m_History)[m_HistoryPos].GetAnchor();
628 m_HistoryOn = false;
629 m_tmpCanDrawLocks++;
630 if (a == wxEmptyString) LoadPage(l);
631 else LoadPage(l + wxT("#") + a);
632 m_HistoryOn = true;
633 m_tmpCanDrawLocks--;
634 Scroll(0, (*m_History)[m_HistoryPos].GetPos());
635 Refresh();
636 return true;
637 }
638
639 bool wxHtmlWindow::HistoryCanBack()
640 {
641 if (m_HistoryPos < 1) return false;
642 return true ;
643 }
644
645
646 bool wxHtmlWindow::HistoryForward()
647 {
648 wxString a, l;
649
650 if (m_HistoryPos == -1) return false;
651 if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
652
653 m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
654
655 m_HistoryPos++;
656 l = (*m_History)[m_HistoryPos].GetPage();
657 a = (*m_History)[m_HistoryPos].GetAnchor();
658 m_HistoryOn = false;
659 m_tmpCanDrawLocks++;
660 if (a == wxEmptyString) LoadPage(l);
661 else LoadPage(l + wxT("#") + a);
662 m_HistoryOn = true;
663 m_tmpCanDrawLocks--;
664 Scroll(0, (*m_History)[m_HistoryPos].GetPos());
665 Refresh();
666 return true;
667 }
668
669 bool wxHtmlWindow::HistoryCanForward()
670 {
671 if (m_HistoryPos == -1) return false;
672 if (m_HistoryPos >= (int)m_History->GetCount() - 1)return false;
673 return true ;
674 }
675
676
677 void wxHtmlWindow::HistoryClear()
678 {
679 m_History->Empty();
680 m_HistoryPos = -1;
681 }
682
683 void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor)
684 {
685 if (!m_Processors)
686 {
687 m_Processors = new wxHtmlProcessorList;
688 }
689 wxHtmlProcessorList::compatibility_iterator node;
690
691 for (node = m_Processors->GetFirst(); node; node = node->GetNext())
692 {
693 if (processor->GetPriority() > node->GetData()->GetPriority())
694 {
695 m_Processors->Insert(node, processor);
696 return;
697 }
698 }
699 m_Processors->Append(processor);
700 }
701
702 /*static */ void wxHtmlWindow::AddGlobalProcessor(wxHtmlProcessor *processor)
703 {
704 if (!m_GlobalProcessors)
705 {
706 m_GlobalProcessors = new wxHtmlProcessorList;
707 }
708 wxHtmlProcessorList::compatibility_iterator node;
709
710 for (node = m_GlobalProcessors->GetFirst(); node; node = node->GetNext())
711 {
712 if (processor->GetPriority() > node->GetData()->GetPriority())
713 {
714 m_GlobalProcessors->Insert(node, processor);
715 return;
716 }
717 }
718 m_GlobalProcessors->Append(processor);
719 }
720
721
722
723 wxList wxHtmlWindow::m_Filters;
724 wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
725 wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL;
726
727 void wxHtmlWindow::CleanUpStatics()
728 {
729 wxDELETE(m_DefaultFilter);
730 WX_CLEAR_LIST(wxList, m_Filters);
731 if (m_GlobalProcessors)
732 WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors);
733 wxDELETE(m_GlobalProcessors);
734 }
735
736
737
738 void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
739 {
740 m_Filters.Append(filter);
741 }
742
743
744 bool wxHtmlWindow::IsSelectionEnabled() const
745 {
746 #if wxUSE_CLIPBOARD
747 return !(m_Style & wxHW_NO_SELECTION);
748 #else
749 return false;
750 #endif
751 }
752
753
754 #if wxUSE_CLIPBOARD
755 wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
756 {
757 if ( !sel )
758 return wxEmptyString;
759
760 wxClientDC dc(this);
761
762 const wxHtmlCell *end = sel->GetToCell();
763 wxString text;
764 wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
765 if ( i )
766 {
767 text << i->ConvertToText(sel);
768 ++i;
769 }
770 const wxHtmlCell *prev = *i;
771 while ( i )
772 {
773 if ( prev->GetParent() != i->GetParent() )
774 text << _T('\n');
775 text << i->ConvertToText(*i == end ? sel : NULL);
776 prev = *i;
777 ++i;
778 }
779 return text;
780 }
781
782 wxString wxHtmlWindow::ToText()
783 {
784 if (m_Cell)
785 {
786 wxHtmlSelection sel;
787 sel.Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
788 return DoSelectionToText(&sel);
789 }
790 else
791 return wxEmptyString;
792 }
793
794 #endif // wxUSE_CLIPBOARD
795
796 bool wxHtmlWindow::CopySelection(ClipboardType t)
797 {
798 #if wxUSE_CLIPBOARD
799 if ( m_selection )
800 {
801 #ifdef __UNIX__
802 wxTheClipboard->UsePrimarySelection(t == Primary);
803 #else // !__UNIX__
804 // Primary selection exists only under X11, so don't do anything under
805 // the other platforms when we try to access it
806 //
807 // TODO: this should be abstracted at wxClipboard level!
808 if ( t == Primary )
809 return false;
810 #endif // __UNIX__/!__UNIX__
811
812 if ( wxTheClipboard->Open() )
813 {
814 const wxString txt(SelectionToText());
815 wxTheClipboard->SetData(new wxTextDataObject(txt));
816 wxTheClipboard->Close();
817 wxLogTrace(_T("wxhtmlselection"),
818 _("Copied to clipboard:\"%s\""), txt.c_str());
819
820 return true;
821 }
822 }
823 #endif // wxUSE_CLIPBOARD
824
825 return false;
826 }
827
828
829 void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
830 {
831 const wxMouseEvent *e = link.GetEvent();
832 if (e == NULL || e->LeftUp())
833 LoadPage(link.GetHref());
834 }
835
836 void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell,
837 wxCoord x, wxCoord y,
838 const wxMouseEvent& event)
839 {
840 wxCHECK_RET( cell, _T("can't be called with NULL cell") );
841
842 cell->OnMouseClick(this, x, y, event);
843 }
844
845 void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell),
846 wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
847 {
848 // do nothing here
849 }
850
851 void wxHtmlWindow::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
852 {
853 }
854
855 void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
856 {
857 wxPaintDC dc(this);
858
859 if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return;
860
861 int x, y;
862 GetViewStart(&x, &y);
863 wxRect rect = GetUpdateRegion().GetBox();
864 wxSize sz = GetSize();
865
866 wxMemoryDC dcm;
867 if ( !m_backBuffer )
868 m_backBuffer = new wxBitmap(sz.x, sz.y);
869 dcm.SelectObject(*m_backBuffer);
870 dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
871 dcm.Clear();
872 PrepareDC(dcm);
873 dcm.SetMapMode(wxMM_TEXT);
874 dcm.SetBackgroundMode(wxTRANSPARENT);
875
876 wxHtmlRenderingInfo rinfo;
877 wxDefaultHtmlRenderingStyle rstyle;
878 rinfo.SetSelection(m_selection);
879 rinfo.SetStyle(&rstyle);
880 m_Cell->Draw(dcm, 0, 0,
881 y * wxHTML_SCROLL_STEP + rect.GetTop(),
882 y * wxHTML_SCROLL_STEP + rect.GetBottom(),
883 rinfo);
884
885 //#define DEBUG_HTML_SELECTION
886 #ifdef DEBUG_HTML_SELECTION
887 {
888 int xc, yc, x, y;
889 wxGetMousePosition(&xc, &yc);
890 ScreenToClient(&xc, &yc);
891 CalcUnscrolledPosition(xc, yc, &x, &y);
892 wxHtmlCell *at = m_Cell->FindCellByPos(x, y);
893 wxHtmlCell *before =
894 m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_BEFORE);
895 wxHtmlCell *after =
896 m_Cell->FindCellByPos(x, y, wxHTML_FIND_NEAREST_AFTER);
897
898 dcm.SetBrush(*wxTRANSPARENT_BRUSH);
899 dcm.SetPen(*wxBLACK_PEN);
900 if (at)
901 dcm.DrawRectangle(at->GetAbsPos(),
902 wxSize(at->GetWidth(),at->GetHeight()));
903 dcm.SetPen(*wxGREEN_PEN);
904 if (before)
905 dcm.DrawRectangle(before->GetAbsPos().x+1, before->GetAbsPos().y+1,
906 before->GetWidth()-2,before->GetHeight()-2);
907 dcm.SetPen(*wxRED_PEN);
908 if (after)
909 dcm.DrawRectangle(after->GetAbsPos().x+2, after->GetAbsPos().y+2,
910 after->GetWidth()-4,after->GetHeight()-4);
911 }
912 #endif
913
914 dcm.SetDeviceOrigin(0,0);
915 dc.Blit(0, rect.GetTop(),
916 sz.x, rect.GetBottom() - rect.GetTop() + 1,
917 &dcm,
918 0, rect.GetTop());
919 }
920
921
922
923
924 void wxHtmlWindow::OnSize(wxSizeEvent& event)
925 {
926 wxDELETE(m_backBuffer);
927
928 wxScrolledWindow::OnSize(event);
929 CreateLayout();
930
931 // Recompute selection if necessary:
932 if ( m_selection )
933 {
934 m_selection->Set(m_selection->GetFromCell(),
935 m_selection->GetToCell());
936 m_selection->ClearPrivPos();
937 }
938
939 Refresh();
940 }
941
942
943 void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event))
944 {
945 m_tmpMouseMoved = true;
946 }
947
948 void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
949 {
950 #if wxUSE_CLIPBOARD
951 if ( event.LeftDown() && IsSelectionEnabled() )
952 {
953 const long TRIPLECLICK_LEN = 200; // 0.2 sec after doubleclick
954 if ( wxGetLocalTimeMillis() - m_lastDoubleClick <= TRIPLECLICK_LEN )
955 {
956 SelectLine(CalcUnscrolledPosition(event.GetPosition()));
957
958 (void) CopySelection();
959 }
960 else
961 {
962 m_makingSelection = true;
963
964 if ( m_selection )
965 {
966 wxDELETE(m_selection);
967 Refresh();
968 }
969 m_tmpSelFromPos = CalcUnscrolledPosition(event.GetPosition());
970 m_tmpSelFromCell = NULL;
971
972 CaptureMouse();
973 }
974 }
975 #endif // wxUSE_CLIPBOARD
976 }
977
978 void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
979 {
980 #if wxUSE_CLIPBOARD
981 if ( m_makingSelection )
982 {
983 ReleaseMouse();
984 m_makingSelection = false;
985
986 // did the user move the mouse far enough from starting point?
987 if ( CopySelection(Primary) )
988 {
989 // we don't want mouse up event that ended selecting to be
990 // handled as mouse click and e.g. follow hyperlink:
991 return;
992 }
993 }
994 #endif // wxUSE_CLIPBOARD
995
996 SetFocus();
997 if ( m_Cell )
998 {
999 wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
1000 wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
1001
1002 // check is needed because FindCellByPos returns terminal cell and
1003 // containers may have empty borders -- in this case NULL will be
1004 // returned
1005 if ( cell )
1006 OnCellClicked(cell, pos.x, pos.y, event);
1007 }
1008 }
1009
1010
1011
1012 void wxHtmlWindow::OnInternalIdle()
1013 {
1014 wxWindow::OnInternalIdle();
1015
1016 if (m_tmpMouseMoved && (m_Cell != NULL))
1017 {
1018 #ifdef DEBUG_HTML_SELECTION
1019 Refresh();
1020 #endif
1021 int xc, yc, x, y;
1022 wxGetMousePosition(&xc, &yc);
1023 ScreenToClient(&xc, &yc);
1024 CalcUnscrolledPosition(xc, yc, &x, &y);
1025
1026 wxHtmlCell *cell = m_Cell->FindCellByPos(x, y);
1027
1028 // handle selection update:
1029 if ( m_makingSelection )
1030 {
1031 if ( !m_tmpSelFromCell )
1032 m_tmpSelFromCell = m_Cell->FindCellByPos(
1033 m_tmpSelFromPos.x,m_tmpSelFromPos.y);
1034
1035 // NB: a trick - we adjust selFromPos to be upper left or bottom
1036 // right corner of the first cell of the selection depending
1037 // on whether the mouse is moving to the right or to the left.
1038 // This gives us more "natural" behaviour when selecting
1039 // a line (specifically, first cell of the next line is not
1040 // included if you drag selection from left to right over
1041 // entire line):
1042 wxPoint dirFromPos;
1043 if ( !m_tmpSelFromCell )
1044 {
1045 dirFromPos = m_tmpSelFromPos;
1046 }
1047 else
1048 {
1049 dirFromPos = m_tmpSelFromCell->GetAbsPos();
1050 if ( x < m_tmpSelFromPos.x )
1051 {
1052 dirFromPos.x += m_tmpSelFromCell->GetWidth();
1053 dirFromPos.y += m_tmpSelFromCell->GetHeight();
1054 }
1055 }
1056 bool goingDown = dirFromPos.y < y ||
1057 (dirFromPos.y == y && dirFromPos.x < x);
1058
1059 // determine selection span:
1060 if ( /*still*/ !m_tmpSelFromCell )
1061 {
1062 if (goingDown)
1063 {
1064 m_tmpSelFromCell = m_Cell->FindCellByPos(
1065 m_tmpSelFromPos.x,m_tmpSelFromPos.y,
1066 wxHTML_FIND_NEAREST_AFTER);
1067 if (!m_tmpSelFromCell)
1068 m_tmpSelFromCell = m_Cell->GetFirstTerminal();
1069 }
1070 else
1071 {
1072 m_tmpSelFromCell = m_Cell->FindCellByPos(
1073 m_tmpSelFromPos.x,m_tmpSelFromPos.y,
1074 wxHTML_FIND_NEAREST_BEFORE);
1075 if (!m_tmpSelFromCell)
1076 m_tmpSelFromCell = m_Cell->GetLastTerminal();
1077 }
1078 }
1079
1080 wxHtmlCell *selcell = cell;
1081 if (!selcell)
1082 {
1083 if (goingDown)
1084 {
1085 selcell = m_Cell->FindCellByPos(x, y,
1086 wxHTML_FIND_NEAREST_BEFORE);
1087 if (!selcell)
1088 selcell = m_Cell->GetLastTerminal();
1089 }
1090 else
1091 {
1092 selcell = m_Cell->FindCellByPos(x, y,
1093 wxHTML_FIND_NEAREST_AFTER);
1094 if (!selcell)
1095 selcell = m_Cell->GetFirstTerminal();
1096 }
1097 }
1098
1099 // NB: it may *rarely* happen that the code above didn't find one
1100 // of the cells, e.g. if wxHtmlWindow doesn't contain any
1101 // visible cells.
1102 if ( selcell && m_tmpSelFromCell )
1103 {
1104 if ( !m_selection )
1105 {
1106 // start selecting only if mouse movement was big enough
1107 // (otherwise it was meant as mouse click, not selection):
1108 const int PRECISION = 2;
1109 wxPoint diff = m_tmpSelFromPos - wxPoint(x,y);
1110 if (abs(diff.x) > PRECISION || abs(diff.y) > PRECISION)
1111 {
1112 m_selection = new wxHtmlSelection();
1113 }
1114 }
1115 if ( m_selection )
1116 {
1117 if ( m_tmpSelFromCell->IsBefore(selcell) )
1118 {
1119 m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell,
1120 wxPoint(x,y), selcell); }
1121 else
1122 {
1123 m_selection->Set(wxPoint(x,y), selcell,
1124 m_tmpSelFromPos, m_tmpSelFromCell);
1125 }
1126 m_selection->ClearPrivPos();
1127 Refresh();
1128 }
1129 }
1130 }
1131
1132 // handle cursor and status bar text changes:
1133 if ( cell != m_tmpLastCell )
1134 {
1135 wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL;
1136 wxCursor cur;
1137 if (cell)
1138 cur = cell->GetCursor();
1139 else
1140 cur = *wxSTANDARD_CURSOR;
1141 SetCursor(cur);
1142
1143 if (lnk != m_tmpLastLink)
1144 {
1145 #if wxUSE_STATUSBAR
1146 if (lnk == NULL)
1147 {
1148 if (m_RelatedStatusBar != -1)
1149 m_RelatedFrame->SetStatusText(wxEmptyString,
1150 m_RelatedStatusBar);
1151 }
1152 else
1153 {
1154 if (m_RelatedStatusBar != -1)
1155 m_RelatedFrame->SetStatusText(lnk->GetHref(),
1156 m_RelatedStatusBar);
1157 }
1158 #endif // wxUSE_STATUSBAR
1159 m_tmpLastLink = lnk;
1160 }
1161
1162 m_tmpLastCell = cell;
1163 }
1164 else // mouse moved but stayed in the same cell
1165 {
1166 if ( cell )
1167 OnCellMouseHover(cell, x, y);
1168 }
1169
1170 m_tmpMouseMoved = false;
1171 }
1172 }
1173
1174 #if wxUSE_CLIPBOARD
1175 void wxHtmlWindow::StopAutoScrolling()
1176 {
1177 if ( m_timerAutoScroll )
1178 {
1179 wxDELETE(m_timerAutoScroll);
1180 }
1181 }
1182
1183 void wxHtmlWindow::OnMouseEnter(wxMouseEvent& event)
1184 {
1185 StopAutoScrolling();
1186 event.Skip();
1187 }
1188
1189 void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event)
1190 {
1191 // don't prevent the usual processing of the event from taking place
1192 event.Skip();
1193
1194 // when a captured mouse leave a scrolled window we start generate
1195 // scrolling events to allow, for example, extending selection beyond the
1196 // visible area in some controls
1197 if ( wxWindow::GetCapture() == this )
1198 {
1199 // where is the mouse leaving?
1200 int pos, orient;
1201 wxPoint pt = event.GetPosition();
1202 if ( pt.x < 0 )
1203 {
1204 orient = wxHORIZONTAL;
1205 pos = 0;
1206 }
1207 else if ( pt.y < 0 )
1208 {
1209 orient = wxVERTICAL;
1210 pos = 0;
1211 }
1212 else // we're lower or to the right of the window
1213 {
1214 wxSize size = GetClientSize();
1215 if ( pt.x > size.x )
1216 {
1217 orient = wxHORIZONTAL;
1218 pos = GetVirtualSize().x / wxHTML_SCROLL_STEP;
1219 }
1220 else if ( pt.y > size.y )
1221 {
1222 orient = wxVERTICAL;
1223 pos = GetVirtualSize().y / wxHTML_SCROLL_STEP;
1224 }
1225 else // this should be impossible
1226 {
1227 // but seems to happen sometimes under wxMSW - maybe it's a bug
1228 // there but for now just ignore it
1229
1230 //wxFAIL_MSG( _T("can't understand where has mouse gone") );
1231
1232 return;
1233 }
1234 }
1235
1236 // only start the auto scroll timer if the window can be scrolled in
1237 // this direction
1238 if ( !HasScrollbar(orient) )
1239 return;
1240
1241 delete m_timerAutoScroll;
1242 m_timerAutoScroll = new wxHtmlWinAutoScrollTimer
1243 (
1244 this,
1245 pos == 0 ? wxEVT_SCROLLWIN_LINEUP
1246 : wxEVT_SCROLLWIN_LINEDOWN,
1247 pos,
1248 orient
1249 );
1250 m_timerAutoScroll->Start(50); // FIXME: make configurable
1251 }
1252 }
1253
1254 void wxHtmlWindow::OnKeyUp(wxKeyEvent& event)
1255 {
1256 if ( IsSelectionEnabled() &&
1257 event.GetKeyCode() == 'C' && event.ControlDown() )
1258 {
1259 (void) CopySelection();
1260 }
1261 }
1262
1263 void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
1264 {
1265 (void) CopySelection();
1266 }
1267
1268 void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
1269 {
1270 // select word under cursor:
1271 if ( IsSelectionEnabled() )
1272 {
1273 SelectWord(CalcUnscrolledPosition(event.GetPosition()));
1274
1275 (void) CopySelection(Primary);
1276
1277 m_lastDoubleClick = wxGetLocalTimeMillis();
1278 }
1279 else
1280 event.Skip();
1281 }
1282
1283 void wxHtmlWindow::SelectWord(const wxPoint& pos)
1284 {
1285 if ( m_Cell )
1286 {
1287 wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
1288 if ( cell )
1289 {
1290 delete m_selection;
1291 m_selection = new wxHtmlSelection();
1292 m_selection->Set(cell, cell);
1293 RefreshRect(wxRect(CalcScrolledPosition(cell->GetAbsPos()),
1294 wxSize(cell->GetWidth(), cell->GetHeight())));
1295 }
1296 }
1297 }
1298
1299 void wxHtmlWindow::SelectLine(const wxPoint& pos)
1300 {
1301 if ( m_Cell )
1302 {
1303 wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y);
1304 if ( cell )
1305 {
1306 // We use following heuristic to find a "line": let the line be all
1307 // cells in same container as the cell under mouse cursor that are
1308 // neither completely above nor completely bellow the clicked cell
1309 // (i.e. are likely to be words positioned on same line of text).
1310
1311 int y1 = cell->GetAbsPos().y;
1312 int y2 = y1 + cell->GetHeight();
1313 int y;
1314 const wxHtmlCell *c;
1315 const wxHtmlCell *before = NULL;
1316 const wxHtmlCell *after = NULL;
1317
1318 // find last cell of line:
1319 for ( c = cell->GetNext(); c; c = c->GetNext())
1320 {
1321 y = c->GetAbsPos().y;
1322 if ( y + c->GetHeight() > y1 && y < y2 )
1323 after = c;
1324 else
1325 break;
1326 }
1327 if ( !after )
1328 after = cell;
1329
1330 // find first cell of line:
1331 for ( c = cell->GetParent()->GetFirstChild();
1332 c && c != cell; c = c->GetNext())
1333 {
1334 y = c->GetAbsPos().y;
1335 if ( y + c->GetHeight() > y1 && y < y2 )
1336 {
1337 if ( ! before )
1338 before = c;
1339 }
1340 else
1341 before = NULL;
1342 }
1343 if ( !before )
1344 before = cell;
1345
1346 delete m_selection;
1347 m_selection = new wxHtmlSelection();
1348 m_selection->Set(before, after);
1349
1350 Refresh();
1351 }
1352 }
1353 }
1354
1355 void wxHtmlWindow::SelectAll()
1356 {
1357 if ( m_Cell )
1358 {
1359 delete m_selection;
1360 m_selection = new wxHtmlSelection();
1361 m_selection->Set(m_Cell->GetFirstTerminal(), m_Cell->GetLastTerminal());
1362 Refresh();
1363 }
1364 }
1365
1366 #endif // wxUSE_CLIPBOARD
1367
1368
1369
1370 IMPLEMENT_ABSTRACT_CLASS(wxHtmlProcessor,wxObject)
1371
1372 #if wxUSE_EXTENDED_RTTI
1373 IMPLEMENT_DYNAMIC_CLASS_XTI(wxHtmlWindow, wxScrolledWindow,"wx/html/htmlwin.h")
1374
1375 wxBEGIN_PROPERTIES_TABLE(wxHtmlWindow)
1376 /*
1377 TODO PROPERTIES
1378 style , wxHW_SCROLLBAR_AUTO
1379 borders , (dimension)
1380 url , string
1381 htmlcode , string
1382 */
1383 wxEND_PROPERTIES_TABLE()
1384
1385 wxBEGIN_HANDLERS_TABLE(wxHtmlWindow)
1386 wxEND_HANDLERS_TABLE()
1387
1388 wxCONSTRUCTOR_5( wxHtmlWindow , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
1389 #else
1390 IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
1391 #endif
1392
1393 BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
1394 EVT_SIZE(wxHtmlWindow::OnSize)
1395 EVT_LEFT_DOWN(wxHtmlWindow::OnMouseDown)
1396 EVT_LEFT_UP(wxHtmlWindow::OnMouseUp)
1397 EVT_RIGHT_UP(wxHtmlWindow::OnMouseUp)
1398 EVT_MOTION(wxHtmlWindow::OnMouseMove)
1399 EVT_ERASE_BACKGROUND(wxHtmlWindow::OnEraseBackground)
1400 EVT_PAINT(wxHtmlWindow::OnPaint)
1401 #if wxUSE_CLIPBOARD
1402 EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick)
1403 EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter)
1404 EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave)
1405 EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
1406 EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
1407 #endif // wxUSE_CLIPBOARD
1408 END_EVENT_TABLE()
1409
1410
1411
1412
1413
1414 // A module to allow initialization/cleanup
1415 // without calling these functions from app.cpp or from
1416 // the user's application.
1417
1418 class wxHtmlWinModule: public wxModule
1419 {
1420 DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
1421 public:
1422 wxHtmlWinModule() : wxModule() {}
1423 bool OnInit() { return true; }
1424 void OnExit() { wxHtmlWindow::CleanUpStatics(); }
1425 };
1426
1427 IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
1428
1429
1430 // This hack forces the linker to always link in m_* files
1431 // (wxHTML doesn't work without handlers from these files)
1432 #include "wx/html/forcelnk.h"
1433 FORCE_WXHTML_MODULES()
1434
1435 #endif // wxUSE_HTML
1436