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Replace wxFONTFAMILY_DEFAULT with wxFONTFAMILY_SWISS when comparing fonts.
[wxWidgets.git] / src / html / winpars.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/html/winpars.cpp
3 // Purpose: wxHtmlParser class (generic parser)
4 // Author: Vaclav Slavik
5 // Copyright: (c) 1999 Vaclav Slavik
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 #include "wx/wxprec.h"
10
11 #ifdef __BORLANDC__
12 #pragma hdrstop
13 #endif
14
15 #if wxUSE_HTML && wxUSE_STREAMS
16
17 #ifndef WX_PRECOMP
18 #include "wx/intl.h"
19 #include "wx/dc.h"
20 #include "wx/log.h"
21 #include "wx/settings.h"
22 #endif
23
24 #include "wx/html/htmldefs.h"
25 #include "wx/html/winpars.h"
26 #include "wx/html/htmlwin.h"
27 #include "wx/html/styleparams.h"
28 #include "wx/fontmap.h"
29 #include "wx/uri.h"
30
31
32 //-----------------------------------------------------------------------------
33 // wxHtmlWinParser
34 //-----------------------------------------------------------------------------
35
36 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)
37
38 wxList wxHtmlWinParser::m_Modules;
39
40 wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
41 {
42 m_tmpStrBuf = NULL;
43 m_tmpStrBufSize = 0;
44 m_windowInterface = wndIface;
45 m_Container = NULL;
46 m_DC = NULL;
47 m_CharHeight = m_CharWidth = 0;
48 m_UseLink = false;
49 #if !wxUSE_UNICODE
50 m_nbsp = 0;
51 m_EncConv = NULL;
52 m_InputEnc = wxFONTENCODING_ISO8859_1;
53 m_OutputEnc = wxFONTENCODING_DEFAULT;
54 #endif
55 m_whitespaceMode = Whitespace_Normal;
56 m_lastWordCell = NULL;
57 m_posColumn = 0;
58
59 {
60 int i, j, k, l, m;
61 for (i = 0; i < 2; i++)
62 for (j = 0; j < 2; j++)
63 for (k = 0; k < 2; k++)
64 for (l = 0; l < 2; l++)
65 for (m = 0; m < 7; m++)
66 {
67 m_FontsTable[i][j][k][l][m] = NULL;
68 m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
69 #if !wxUSE_UNICODE
70 m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
71 #endif
72 }
73
74 SetFonts(wxEmptyString, wxEmptyString, NULL);
75 }
76
77 // fill in wxHtmlParser's tables:
78 wxList::compatibility_iterator node = m_Modules.GetFirst();
79 while (node)
80 {
81 wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
82 mod->FillHandlersTable(this);
83 node = node->GetNext();
84 }
85 }
86
87 wxHtmlWinParser::~wxHtmlWinParser()
88 {
89 int i, j, k, l, m;
90
91 for (i = 0; i < 2; i++)
92 for (j = 0; j < 2; j++)
93 for (k = 0; k < 2; k++)
94 for (l = 0; l < 2; l++)
95 for (m = 0; m < 7; m++)
96 {
97 if (m_FontsTable[i][j][k][l][m] != NULL)
98 delete m_FontsTable[i][j][k][l][m];
99 }
100 #if !wxUSE_UNICODE
101 delete m_EncConv;
102 #endif
103 delete[] m_tmpStrBuf;
104 }
105
106 void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
107 {
108 m_Modules.Append(module);
109 }
110
111 void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
112 {
113 m_Modules.DeleteObject(module);
114 }
115
116 // build all HTML font sizes (1..7) from the given base size
117 static void wxBuildFontSizes(int *sizes, int size)
118 {
119 // using a fixed factor (1.2, from CSS2) is a bad idea as explained at
120 // http://www.w3.org/TR/CSS21/fonts.html#font-size-props but this is by far
121 // simplest thing to do so still do it like this for now
122 sizes[0] = int(size * 0.75); // exception to 1.2 rule, otherwise too small
123 sizes[1] = int(size * 0.83);
124 sizes[2] = size;
125 sizes[3] = int(size * 1.2);
126 sizes[4] = int(size * 1.44);
127 sizes[5] = int(size * 1.73);
128 sizes[6] = int(size * 2);
129 }
130
131 static int wxGetDefaultHTMLFontSize()
132 {
133 // base the default font size on the size of the default system font but
134 // also ensure that we have a font of reasonable size, otherwise small HTML
135 // fonts are unreadable
136 int size = wxNORMAL_FONT->GetPointSize();
137 if ( size < 10 )
138 size = 10;
139 return size;
140 }
141
142 void wxHtmlWinParser::SetFonts(const wxString& normal_face,
143 const wxString& fixed_face,
144 const int *sizes)
145 {
146 static int default_sizes[7] = { 0 };
147 if ( !sizes )
148 {
149 if ( !default_sizes[0] )
150 wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());
151
152 sizes = default_sizes;
153 }
154
155 int i, j, k, l, m;
156
157 for (i = 0; i < 7; i++)
158 m_FontsSizes[i] = sizes[i];
159
160 m_FontFaceFixed = fixed_face;
161 m_FontFaceNormal = normal_face;
162
163 #if !wxUSE_UNICODE
164 SetInputEncoding(m_InputEnc);
165 #endif
166
167 for (i = 0; i < 2; i++)
168 for (j = 0; j < 2; j++)
169 for (k = 0; k < 2; k++)
170 for (l = 0; l < 2; l++)
171 for (m = 0; m < 7; m++) {
172 if (m_FontsTable[i][j][k][l][m] != NULL)
173 {
174 delete m_FontsTable[i][j][k][l][m];
175 m_FontsTable[i][j][k][l][m] = NULL;
176 }
177 }
178 }
179
180 void wxHtmlWinParser::SetStandardFonts(int size,
181 const wxString& normal_face,
182 const wxString& fixed_face)
183 {
184 if (size == -1)
185 size = wxGetDefaultHTMLFontSize();
186
187 int f_sizes[7];
188 wxBuildFontSizes(f_sizes, size);
189
190 wxString normal = normal_face;
191 if ( normal.empty() )
192 normal = wxNORMAL_FONT->GetFaceName();
193
194 SetFonts(normal, fixed_face, f_sizes);
195 }
196
197 void wxHtmlWinParser::InitParser(const wxString& source)
198 {
199 wxHtmlParser::InitParser(source);
200 wxASSERT_MSG(m_DC != NULL, wxT("no DC assigned to wxHtmlWinParser!!"));
201
202 m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
203 m_FontSize = 3; //default one
204 CreateCurrentFont(); // we're selecting default font into
205
206 // we're not using GetCharWidth/Height() because of
207 // differences under X and win
208 wxCoord w,h;
209 m_DC->GetTextExtent( wxT("H"), &w, &h);
210 m_CharWidth = w;
211 m_CharHeight = h;
212
213 m_UseLink = false;
214 m_Link = wxHtmlLinkInfo( wxEmptyString );
215 m_LinkColor.Set(0, 0, 0xFF);
216 m_ActualColor.Set(0, 0, 0);
217 const wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
218 m_ActualBackgroundColor = m_windowInterface
219 ? m_windowInterface->GetHTMLBackgroundColour()
220 : windowColour;
221 m_ActualBackgroundMode = wxTRANSPARENT;
222 m_Align = wxHTML_ALIGN_LEFT;
223 m_ScriptMode = wxHTML_SCRIPT_NORMAL;
224 m_ScriptBaseline = 0;
225 m_tmpLastWasSpace = false;
226 m_lastWordCell = NULL;
227
228 // open the toplevel container that contains everything else and that
229 // is never closed (this makes parser's life easier):
230 OpenContainer();
231
232 // then open the first container into which page's content will go:
233 OpenContainer();
234
235 #if !wxUSE_UNICODE
236 wxString charset = ExtractCharsetInformation(source);
237 if (!charset.empty())
238 {
239 wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
240 if (enc != wxFONTENCODING_SYSTEM)
241 SetInputEncoding(enc);
242 }
243 #endif
244
245 m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
246
247 m_Container->InsertCell
248 (
249 new wxHtmlColourCell
250 (
251 m_ActualBackgroundColor,
252 m_ActualBackgroundMode == wxTRANSPARENT ? wxHTML_CLR_TRANSPARENT_BACKGROUND : wxHTML_CLR_BACKGROUND
253 )
254 );
255
256 m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
257 }
258
259 void wxHtmlWinParser::DoneParser()
260 {
261 m_Container = NULL;
262 #if !wxUSE_UNICODE
263 SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
264 #endif
265 wxHtmlParser::DoneParser();
266 }
267
268 #if WXWIN_COMPATIBILITY_2_6
269 wxHtmlWindow *wxHtmlWinParser::GetWindow()
270 {
271 if (!m_windowInterface)
272 return NULL;
273 return wxDynamicCast(m_windowInterface->GetHTMLWindow(), wxHtmlWindow);
274 }
275 #endif
276
277 wxObject* wxHtmlWinParser::GetProduct()
278 {
279 wxHtmlContainerCell *top;
280
281 CloseContainer();
282 OpenContainer();
283
284 top = m_Container;
285 while (top->GetParent()) top = top->GetParent();
286 top->RemoveExtraSpacing(true, true);
287
288 return top;
289 }
290
291 wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
292 const wxString& url) const
293 {
294 if ( !m_windowInterface )
295 return wxHtmlParser::OpenURL(type, url);
296
297 wxString myurl(url);
298 wxHtmlOpeningStatus status;
299 for (;;)
300 {
301 wxString myfullurl(myurl);
302
303 // consider url as absolute path first
304 wxURI current(myurl);
305 myfullurl = current.BuildUnescapedURI();
306
307 // if not absolute then ...
308 if( current.IsReference() )
309 {
310 wxString basepath = GetFS()->GetPath();
311 wxURI base(basepath);
312
313 // ... try to apply base path if valid ...
314 if( !base.IsReference() )
315 {
316 wxURI path(myfullurl);
317 path.Resolve( base );
318 myfullurl = path.BuildUnescapedURI();
319 }
320 else
321 {
322 // ... or force such addition if not included already
323 if( !current.GetPath().Contains(base.GetPath()) )
324 {
325 basepath += myurl;
326 wxURI connected( basepath );
327 myfullurl = connected.BuildUnescapedURI();
328 }
329 }
330 }
331
332 wxString redirect;
333 status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
334 if ( status != wxHTML_REDIRECT )
335 break;
336
337 myurl = redirect;
338 }
339
340 if ( status == wxHTML_BLOCK )
341 return NULL;
342
343 int flags = wxFS_READ;
344 if (type == wxHTML_URL_IMAGE)
345 flags |= wxFS_SEEKABLE;
346
347 return GetFS()->OpenFile(myurl, flags);
348 }
349
350 #define NBSP_UNICODE_VALUE (wxChar(160))
351 #if !wxUSE_UNICODE
352 #define CUR_NBSP_VALUE m_nbsp
353 #else
354 #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
355 #endif
356
357 void wxHtmlWinParser::AddText(const wxString& txt)
358 {
359 #if !wxUSE_UNICODE
360 if ( m_nbsp == 0 )
361 m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE);
362 #endif
363
364 if ( m_whitespaceMode == Whitespace_Normal )
365 {
366 int templen = 0;
367
368 size_t lng = txt.length();
369 if (lng+1 > m_tmpStrBufSize)
370 {
371 delete[] m_tmpStrBuf;
372 m_tmpStrBuf = new wxChar[lng+1];
373 m_tmpStrBufSize = lng+1;
374 }
375 wxChar *temp = m_tmpStrBuf;
376
377 wxString::const_iterator i = txt.begin();
378 const wxString::const_iterator end = txt.end();
379
380 if (m_tmpLastWasSpace)
381 {
382 while ( (i < end) &&
383 (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') ||
384 *i == wxT('\t')) )
385 {
386 ++i;
387 }
388 }
389
390 while (i < end)
391 {
392 size_t x = 0;
393 const wxChar d = temp[templen++] = *i;
394 if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
395 {
396 ++i, ++x;
397 while ( (i < end) &&
398 (*i == wxT('\n') || *i == wxT('\r') ||
399 *i == wxT(' ') || *i == wxT('\t')) )
400 {
401 ++i;
402 ++x;
403 }
404 }
405 else
406 {
407 ++i;
408 }
409
410 if (x)
411 {
412 temp[templen-1] = wxT(' ');
413 FlushWordBuf(temp, templen);
414 m_tmpLastWasSpace = true;
415 }
416 }
417
418 if (templen && (templen > 1 || temp[0] != wxT(' ')))
419 {
420 FlushWordBuf(temp, templen);
421 m_tmpLastWasSpace = false;
422 }
423 }
424 else // m_whitespaceMode == Whitespace_Pre
425 {
426 if ( txt.find(CUR_NBSP_VALUE) != wxString::npos )
427 {
428 // we need to substitute spaces for &nbsp; here just like we
429 // did in the Whitespace_Normal branch above
430 wxString txt2(txt);
431 txt2.Replace(CUR_NBSP_VALUE, ' ');
432 AddPreBlock(txt2);
433 }
434 else
435 {
436 AddPreBlock(txt);
437 }
438
439 // don't eat any whitespace in <pre> block
440 m_tmpLastWasSpace = false;
441 }
442 }
443
444 void wxHtmlWinParser::FlushWordBuf(wxChar *buf, int& len)
445 {
446 buf[len] = 0;
447
448 for ( int i = 0; i < len; i++ )
449 {
450 if ( buf[i] == CUR_NBSP_VALUE )
451 buf[i] = ' ';
452 }
453
454 #if !wxUSE_UNICODE
455 if (m_EncConv)
456 m_EncConv->Convert(buf);
457 #endif
458
459 AddWord(wxString(buf, len));
460
461 len = 0;
462 }
463
464 void wxHtmlWinParser::AddWord(wxHtmlWordCell *word)
465 {
466 ApplyStateToCell(word);
467
468 m_Container->InsertCell(word);
469 word->SetPreviousWord(m_lastWordCell);
470 m_lastWordCell = word;
471 }
472
473 void wxHtmlWinParser::AddPreBlock(const wxString& text)
474 {
475 if ( text.find('\t') != wxString::npos )
476 {
477 wxString text2;
478 text2.reserve(text.length());
479
480 const wxString::const_iterator end = text.end();
481 wxString::const_iterator copyFrom = text.begin();
482 size_t pos = 0;
483 int posColumn = m_posColumn;
484 for ( wxString::const_iterator i = copyFrom; i != end; ++i, ++pos )
485 {
486 if ( *i == '\t' )
487 {
488 if ( copyFrom != i )
489 text2.append(copyFrom, i);
490
491 const unsigned SPACES_PER_TAB = 8;
492 const size_t expandTo = SPACES_PER_TAB - posColumn % SPACES_PER_TAB;
493 text2.append(expandTo, ' ');
494
495 posColumn += expandTo;
496 copyFrom = i + 1;
497 }
498 else
499 {
500 ++posColumn;
501 }
502 }
503 if ( copyFrom != text.end() )
504 text2.append(copyFrom, text.end());
505
506 AddWord(new wxHtmlWordWithTabsCell(text2, text, m_posColumn, *(GetDC())));
507
508 m_posColumn = posColumn;
509 }
510 else
511 {
512 // no special formatting needed
513 AddWord(text);
514 m_posColumn += text.length();
515 }
516 }
517
518
519 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
520 {
521 m_Container = new wxHtmlContainerCell(m_Container);
522 m_Container->SetAlignHor(m_Align);
523 m_posColumn = 0;
524 m_tmpLastWasSpace = true;
525 /* to avoid space being first character in paragraph */
526 return m_Container;
527 }
528
529
530
531 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
532 {
533 m_tmpLastWasSpace = true;
534 /* to avoid space being first character in paragraph */
535 return m_Container = c;
536 }
537
538
539
540 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
541 {
542 m_Container = m_Container->GetParent();
543 return m_Container;
544 }
545
546
547 void wxHtmlWinParser::SetFontSize(int s)
548 {
549 if (s < 1)
550 s = 1;
551 else if (s > 7)
552 s = 7;
553 m_FontSize = s;
554 }
555
556
557 void wxHtmlWinParser::SetDC(wxDC *dc, double pixel_scale, double font_scale)
558 {
559 m_DC = dc;
560 m_PixelScale = pixel_scale;
561 m_FontScale = font_scale;
562 }
563
564 void wxHtmlWinParser::SetFontPointSize(int pt)
565 {
566 if (pt <= m_FontsSizes[0])
567 m_FontSize = 1;
568 else if (pt >= m_FontsSizes[6])
569 m_FontSize = 7;
570 else
571 {
572 // Find the font closest to the given value with a simple linear search
573 // (binary search is not worth it here for so small number of elements)
574 for ( int n = 0; n < 6; n++ )
575 {
576 if ( (pt > m_FontsSizes[n]) && (pt <= m_FontsSizes[n + 1]) )
577 {
578 if ( (pt - m_FontsSizes[n]) >= (m_FontsSizes[n + 1] - pt) )
579 {
580 // The actual size is closer to the next entry than to this
581 // one, so use it.
582 n++;
583 }
584
585 // Notice that m_FontSize starts from 1, hence +1 here.
586 m_FontSize = n + 1;
587
588 break;
589 }
590 }
591 }
592 }
593
594 wxFont* wxHtmlWinParser::CreateCurrentFont()
595 {
596 int fb = GetFontBold(),
597 fi = GetFontItalic(),
598 fu = GetFontUnderlined(),
599 ff = GetFontFixed(),
600 fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;
601
602 wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
603 wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
604 wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
605 #if !wxUSE_UNICODE
606 wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
607 #endif
608
609 if (*fontptr != NULL && (*faceptr != face
610 #if !wxUSE_UNICODE
611 || *encptr != m_OutputEnc
612 #endif
613 ))
614 {
615 wxDELETE(*fontptr);
616 }
617
618 if (*fontptr == NULL)
619 {
620 *faceptr = face;
621 *fontptr = new wxFont(
622 (int) (m_FontsSizes[fs] * m_FontScale),
623 ff ? wxMODERN : wxSWISS,
624 fi ? wxITALIC : wxNORMAL,
625 fb ? wxBOLD : wxNORMAL,
626 fu ? true : false, face
627 #if wxUSE_UNICODE
628 );
629 #else
630 , m_OutputEnc);
631 *encptr = m_OutputEnc;
632 #endif
633 }
634 m_DC->SetFont(**fontptr);
635 return (*fontptr);
636 }
637
638
639
640 void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
641 {
642 m_Link = link;
643 m_UseLink = (link.GetHref() != wxEmptyString);
644 }
645
646 void wxHtmlWinParser::SetFontFace(const wxString& face)
647 {
648 if (GetFontFixed())
649 m_FontFaceFixed = face;
650 else
651 m_FontFaceNormal = face;
652
653 #if !wxUSE_UNICODE
654 if (m_InputEnc != wxFONTENCODING_DEFAULT)
655 SetInputEncoding(m_InputEnc);
656 #endif
657 }
658
659 void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
660 {
661 // set the link:
662 if (m_UseLink)
663 cell->SetLink(GetLink());
664
665 // apply current script mode settings:
666 cell->SetScriptMode(GetScriptMode(), GetScriptBaseline());
667 }
668
669
670 #if !wxUSE_UNICODE
671 void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
672 {
673 // the character used for non-breakable space may change:
674 m_nbsp = 0;
675
676 m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
677 wxDELETE(m_EncConv);
678
679 if (enc == wxFONTENCODING_DEFAULT)
680 return;
681
682 wxFontEncoding altfix, altnorm;
683 bool availfix, availnorm;
684
685 availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
686 availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
687
688 if (availnorm && availfix)
689 {
690 // exact match?
691 m_OutputEnc = enc;
692 }
693
694 else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false) &&
695 wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, false) &&
696 altnorm == altfix)
697 {
698 // alternatives?
699 m_OutputEnc = altnorm;
700 }
701 else if (availnorm)
702 {
703 // at least normal face?
704 m_OutputEnc = enc;
705 }
706 else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))
707 {
708 m_OutputEnc = altnorm;
709 }
710 else
711 {
712 #ifndef __WXMAC__
713 // okay, let's convert to ISO_8859-1, available always
714 m_OutputEnc = wxFONTENCODING_DEFAULT;
715 #else
716 m_OutputEnc = wxLocale::GetSystemEncoding() ;
717 #endif
718 }
719
720 m_InputEnc = enc;
721 if (m_OutputEnc == wxFONTENCODING_DEFAULT)
722 {
723 GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
724 }
725 else
726 {
727 GetEntitiesParser()->SetEncoding(m_OutputEnc);
728 }
729
730 if (m_InputEnc == m_OutputEnc)
731 return;
732
733 m_EncConv = new wxEncodingConverter();
734 if (!m_EncConv->Init(m_InputEnc,
735 (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
736 wxFONTENCODING_ISO8859_1 : m_OutputEnc,
737 wxCONVERT_SUBSTITUTE))
738 { // total failure :-(
739 wxLogError(_("Failed to display HTML document in %s encoding"),
740 wxFontMapper::GetEncodingName(enc).c_str());
741 m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
742 wxDELETE(m_EncConv);
743 }
744 }
745 #endif
746
747
748
749
750 //-----------------------------------------------------------------------------
751 // wxHtmlWinTagHandler
752 //-----------------------------------------------------------------------------
753
754 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
755
756 void wxHtmlWinTagHandler::ApplyStyle(const wxHtmlStyleParams &styleParams)
757 {
758 wxString str;
759
760 str = styleParams.GetParam(wxS("color"));
761 if ( !str.empty() )
762 {
763 wxColour clr;
764 if ( wxHtmlTag::ParseAsColour(str, &clr) )
765 {
766 m_WParser->SetActualColor(clr);
767 m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr));
768 }
769 }
770
771 str = styleParams.GetParam(wxS("background-color"));
772 if ( !str.empty() )
773 {
774 wxColour clr;
775 if ( wxHtmlTag::ParseAsColour(str, &clr) )
776 {
777 m_WParser->SetActualBackgroundColor(clr);
778 m_WParser->SetActualBackgroundMode(wxSOLID);
779 m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
780 }
781 }
782
783 str = styleParams.GetParam(wxS("font-size"));
784 if ( !str.empty() )
785 {
786 // Point size
787 int foundIndex = str.Find(wxS("pt"));
788 if (foundIndex != wxNOT_FOUND)
789 {
790 str.Truncate(foundIndex);
791
792 long sizeValue;
793 if (str.ToLong(&sizeValue) == true)
794 {
795 // Set point size
796 m_WParser->SetFontPointSize(sizeValue);
797 m_WParser->GetContainer()->InsertCell(
798 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
799 }
800 }
801 // else: check for other ways of specifying size (TODO)
802 }
803
804 str = styleParams.GetParam(wxS("font-weight"));
805 if ( !str.empty() )
806 {
807 // Only bold and normal supported just now
808 if ( str == wxS("bold") )
809 {
810 m_WParser->SetFontBold(true);
811 m_WParser->GetContainer()->InsertCell(
812 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
813 }
814 else if ( str == wxS("normal") )
815 {
816 m_WParser->SetFontBold(false);
817 m_WParser->GetContainer()->InsertCell(
818 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
819 }
820 }
821
822 str = styleParams.GetParam(wxS("font-style"));
823 if ( !str.empty() )
824 {
825 // "oblique" and "italic" are more or less the same.
826 // "inherit" (using the parent font) is not supported.
827 if ( str == wxS("oblique") || str == wxS("italic") )
828 {
829 m_WParser->SetFontItalic(true);
830 m_WParser->GetContainer()->InsertCell(
831 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
832 }
833 else if ( str == wxS("normal") )
834 {
835 m_WParser->SetFontItalic(false);
836 m_WParser->GetContainer()->InsertCell(
837 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
838 }
839 }
840
841 str = styleParams.GetParam(wxS("text-decoration"));
842 if ( !str.empty() )
843 {
844 // Only underline is supported.
845 if ( str == wxS("underline") )
846 {
847 m_WParser->SetFontUnderlined(true);
848 m_WParser->GetContainer()->InsertCell(
849 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
850 }
851 }
852
853 str = styleParams.GetParam(wxS("font-family"));
854 if ( !str.empty() )
855 {
856 m_WParser->SetFontFace(str);
857 m_WParser->GetContainer()->InsertCell(
858 new wxHtmlFontCell(m_WParser->CreateCurrentFont()));
859 }
860 }
861
862 //-----------------------------------------------------------------------------
863 // wxHtmlTagsModule
864 //-----------------------------------------------------------------------------
865
866 // NB: This is *NOT* winpars.cpp's initialization and shutdown code!!
867 // This module is an ancestor for tag handlers modules defined
868 // in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
869 //
870 // Do not add any winpars.cpp shutdown or initialization code to it,
871 // create a new module instead!
872
873 IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
874
875 bool wxHtmlTagsModule::OnInit()
876 {
877 wxHtmlWinParser::AddModule(this);
878 return true;
879 }
880
881 void wxHtmlTagsModule::OnExit()
882 {
883 wxHtmlWinParser::RemoveModule(this);
884 }
885
886 #endif