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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/motif/font.cpp | |
3 | // Purpose: wxFont class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
21 | #pragma implementation "font.h" | |
22 | #endif | |
23 | ||
24 | #include "wx/defs.h" | |
25 | ||
26 | #ifdef __VMS | |
27 | #pragma message disable nosimpint | |
28 | #include "wx/vms_x_fix.h" | |
29 | #endif | |
30 | #include <Xm/Xm.h> | |
31 | #ifdef __VMS | |
32 | #pragma message enable nosimpint | |
33 | #endif | |
34 | ||
35 | #include "wx/string.h" | |
36 | #include "wx/font.h" | |
37 | #include "wx/gdicmn.h" | |
38 | #include "wx/utils.h" // for wxGetDisplay() | |
39 | #include "wx/fontutil.h" // for wxNativeFontInfo | |
40 | #include "wx/tokenzr.h" | |
41 | #include "wx/settings.h" | |
42 | #include "wx/motif/private.h" | |
43 | ||
44 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) | |
45 | ||
46 | // ---------------------------------------------------------------------------- | |
47 | // private classes | |
48 | // ---------------------------------------------------------------------------- | |
49 | ||
50 | // For every wxFont, there must be a font for each display and scale requested. | |
51 | // So these objects are stored in wxFontRefData::m_fonts | |
52 | class wxXFont : public wxObject | |
53 | { | |
54 | public: | |
55 | wxXFont(); | |
56 | ~wxXFont(); | |
57 | ||
58 | WXFontStructPtr m_fontStruct; // XFontStruct | |
59 | WXFontList m_fontList; // Motif XmFontList | |
60 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
61 | WXRenderTable m_renderTable; // Motif XmRenderTable | |
62 | #endif | |
63 | WXDisplay* m_display; // XDisplay | |
64 | int m_scale; // Scale * 100 | |
65 | }; | |
66 | ||
67 | class wxFontRefData: public wxGDIRefData | |
68 | { | |
69 | friend class wxFont; | |
70 | ||
71 | public: | |
72 | wxFontRefData(int size = wxDEFAULT, | |
73 | int family = wxDEFAULT, | |
74 | int style = wxDEFAULT, | |
75 | int weight = wxDEFAULT, | |
76 | bool underlined = FALSE, | |
77 | const wxString& faceName = wxEmptyString, | |
78 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) | |
79 | { | |
80 | Init(size, family, style, weight, underlined, faceName, encoding); | |
81 | } | |
82 | ||
83 | wxFontRefData(const wxFontRefData& data) | |
84 | { | |
85 | Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, | |
86 | data.m_underlined, data.m_faceName, data.m_encoding); | |
87 | } | |
88 | ||
89 | ~wxFontRefData(); | |
90 | ||
91 | protected: | |
92 | // common part of all ctors | |
93 | void Init(int size, | |
94 | int family, | |
95 | int style, | |
96 | int weight, | |
97 | bool underlined, | |
98 | const wxString& faceName, | |
99 | wxFontEncoding encoding); | |
100 | ||
101 | // font attributes | |
102 | int m_pointSize; | |
103 | int m_family; | |
104 | int m_style; | |
105 | int m_weight; | |
106 | bool m_underlined; | |
107 | wxString m_faceName; | |
108 | wxFontEncoding m_encoding; | |
109 | ||
110 | wxNativeFontInfo m_nativeFontInfo; | |
111 | ||
112 | // A list of wxXFonts | |
113 | wxList m_fonts; | |
114 | }; | |
115 | ||
116 | // ============================================================================ | |
117 | // implementation | |
118 | // ============================================================================ | |
119 | ||
120 | // ---------------------------------------------------------------------------- | |
121 | // wxXFont | |
122 | // ---------------------------------------------------------------------------- | |
123 | ||
124 | wxXFont::wxXFont() | |
125 | { | |
126 | m_fontStruct = (WXFontStructPtr) 0; | |
127 | m_fontList = (WXFontList) 0; | |
128 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
129 | m_renderTable = (WXRenderTable) 0; | |
130 | #endif | |
131 | m_display = (WXDisplay*) 0; | |
132 | m_scale = 100; | |
133 | } | |
134 | ||
135 | wxXFont::~wxXFont() | |
136 | { | |
137 | XmFontList fontList = (XmFontList) m_fontList; | |
138 | XmFontListFree (fontList); | |
139 | ||
140 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
141 | XmRenderTable renderTable = (XmRenderTable) m_renderTable; | |
142 | XmRenderTableFree (renderTable); | |
143 | #endif | |
144 | ||
145 | // TODO: why does freeing the font produce a segv??? | |
146 | // Note that XFreeFont wasn't called in wxWin 1.68 either. | |
147 | // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct; | |
148 | // XFreeFont((Display*) m_display, fontStruct); | |
149 | } | |
150 | ||
151 | // ---------------------------------------------------------------------------- | |
152 | // wxFontRefData | |
153 | // ---------------------------------------------------------------------------- | |
154 | ||
155 | void wxFontRefData::Init(int pointSize, | |
156 | int family, | |
157 | int style, | |
158 | int weight, | |
159 | bool underlined, | |
160 | const wxString& faceName, | |
161 | wxFontEncoding encoding) | |
162 | { | |
163 | if (family == wxDEFAULT) | |
164 | m_family = wxSWISS; | |
165 | else | |
166 | m_family = family; | |
167 | ||
168 | m_faceName = faceName; | |
169 | ||
170 | if (style == wxDEFAULT) | |
171 | m_style = wxNORMAL; | |
172 | else | |
173 | m_style = style; | |
174 | ||
175 | if (weight == wxDEFAULT) | |
176 | m_weight = wxNORMAL; | |
177 | else | |
178 | m_weight = weight; | |
179 | ||
180 | if (pointSize == wxDEFAULT) | |
181 | m_pointSize = 12; | |
182 | else | |
183 | m_pointSize = pointSize; | |
184 | ||
185 | m_underlined = underlined; | |
186 | m_encoding = encoding; | |
187 | } | |
188 | ||
189 | wxFontRefData::~wxFontRefData() | |
190 | { | |
191 | wxList::compatibility_iterator node = m_fonts.GetFirst(); | |
192 | while (node) | |
193 | { | |
194 | wxXFont* f = (wxXFont*) node->GetData(); | |
195 | delete f; | |
196 | node = node->GetNext(); | |
197 | } | |
198 | m_fonts.Clear(); | |
199 | } | |
200 | ||
201 | // ---------------------------------------------------------------------------- | |
202 | // wxFont | |
203 | // ---------------------------------------------------------------------------- | |
204 | ||
205 | wxFont::wxFont(const wxNativeFontInfo& info) | |
206 | { | |
207 | Init(); | |
208 | ||
209 | (void)Create(info.GetXFontName()); | |
210 | } | |
211 | ||
212 | void wxFont::Init() | |
213 | { | |
214 | } | |
215 | ||
216 | bool wxFont::Create(int pointSize, | |
217 | int family, | |
218 | int style, | |
219 | int weight, | |
220 | bool underlined, | |
221 | const wxString& faceName, | |
222 | wxFontEncoding encoding) | |
223 | { | |
224 | UnRef(); | |
225 | m_refData = new wxFontRefData(pointSize, family, style, weight, | |
226 | underlined, faceName, encoding); | |
227 | ||
228 | RealizeResource(); | |
229 | ||
230 | return TRUE; | |
231 | } | |
232 | ||
233 | bool wxFont::Create(const wxString& fontname, wxFontEncoding enc) | |
234 | { | |
235 | if( !fontname ) | |
236 | { | |
237 | *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT); | |
238 | return TRUE; | |
239 | } | |
240 | ||
241 | m_refData = new wxFontRefData(); | |
242 | ||
243 | M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname); // X font name | |
244 | ||
245 | wxString tmp; | |
246 | ||
247 | wxStringTokenizer tn( fontname, wxT("-") ); | |
248 | ||
249 | tn.GetNextToken(); // skip initial empty token | |
250 | tn.GetNextToken(); // foundry | |
251 | ||
252 | ||
253 | M_FONTDATA->m_faceName = tn.GetNextToken(); // family | |
254 | ||
255 | tmp = tn.GetNextToken().MakeUpper(); // weight | |
256 | if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD; | |
257 | if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD; | |
258 | if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
259 | if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD; | |
260 | if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
261 | ||
262 | if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT; | |
263 | if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT; | |
264 | ||
265 | tmp = tn.GetNextToken().MakeUpper(); // slant | |
266 | if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC; | |
267 | if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC; | |
268 | ||
269 | tn.GetNextToken(); // set width | |
270 | tn.GetNextToken(); // add. style | |
271 | tn.GetNextToken(); // pixel size | |
272 | ||
273 | tmp = tn.GetNextToken(); // pointsize | |
274 | if (tmp != wxT("*")) | |
275 | { | |
276 | long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10); | |
277 | M_FONTDATA->m_pointSize = (int)(num / 10); | |
278 | } | |
279 | ||
280 | tn.GetNextToken(); // x-res | |
281 | tn.GetNextToken(); // y-res | |
282 | ||
283 | tmp = tn.GetNextToken().MakeUpper(); // spacing | |
284 | ||
285 | if (tmp == wxT("M")) | |
286 | M_FONTDATA->m_family = wxMODERN; | |
287 | else if (M_FONTDATA->m_faceName == wxT("TIMES")) | |
288 | M_FONTDATA->m_family = wxROMAN; | |
289 | else if (M_FONTDATA->m_faceName == wxT("HELVETICA")) | |
290 | M_FONTDATA->m_family = wxSWISS; | |
291 | else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER")) | |
292 | M_FONTDATA->m_family = wxTELETYPE; | |
293 | else if (M_FONTDATA->m_faceName == wxT("LUCIDA")) | |
294 | M_FONTDATA->m_family = wxDECORATIVE; | |
295 | else if (M_FONTDATA->m_faceName == wxT("UTOPIA")) | |
296 | M_FONTDATA->m_family = wxSCRIPT; | |
297 | ||
298 | tn.GetNextToken(); // avg width | |
299 | ||
300 | // deal with font encoding | |
301 | M_FONTDATA->m_encoding = enc; | |
302 | if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM ) | |
303 | { | |
304 | wxString registry = tn.GetNextToken().MakeUpper(), | |
305 | encoding = tn.GetNextToken().MakeUpper(); | |
306 | ||
307 | if ( registry == _T("ISO8859") ) | |
308 | { | |
309 | int cp; | |
310 | if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 ) | |
311 | { | |
312 | M_FONTDATA->m_encoding = | |
313 | (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1); | |
314 | } | |
315 | } | |
316 | else if ( registry == _T("MICROSOFT") ) | |
317 | { | |
318 | int cp; | |
319 | if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 ) | |
320 | { | |
321 | M_FONTDATA->m_encoding = | |
322 | (wxFontEncoding)(wxFONTENCODING_CP1250 + cp); | |
323 | } | |
324 | } | |
325 | else if ( registry == _T("KOI8") ) | |
326 | { | |
327 | M_FONTDATA->m_encoding = wxFONTENCODING_KOI8; | |
328 | } | |
329 | //else: unknown encoding - may be give a warning here? | |
330 | else | |
331 | return FALSE; | |
332 | } | |
333 | return TRUE; | |
334 | } | |
335 | ||
336 | wxFont::~wxFont() | |
337 | { | |
338 | } | |
339 | ||
340 | // ---------------------------------------------------------------------------- | |
341 | // change the font attributes | |
342 | // ---------------------------------------------------------------------------- | |
343 | ||
344 | void wxFont::Unshare() | |
345 | { | |
346 | // Don't change shared data | |
347 | if (!m_refData) | |
348 | { | |
349 | m_refData = new wxFontRefData(); | |
350 | } | |
351 | else | |
352 | { | |
353 | wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); | |
354 | UnRef(); | |
355 | m_refData = ref; | |
356 | } | |
357 | } | |
358 | ||
359 | void wxFont::SetPointSize(int pointSize) | |
360 | { | |
361 | Unshare(); | |
362 | ||
363 | M_FONTDATA->m_pointSize = pointSize; | |
364 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
365 | ||
366 | RealizeResource(); | |
367 | } | |
368 | ||
369 | void wxFont::SetFamily(int family) | |
370 | { | |
371 | Unshare(); | |
372 | ||
373 | M_FONTDATA->m_family = family; | |
374 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
375 | ||
376 | RealizeResource(); | |
377 | } | |
378 | ||
379 | void wxFont::SetStyle(int style) | |
380 | { | |
381 | Unshare(); | |
382 | ||
383 | M_FONTDATA->m_style = style; | |
384 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
385 | ||
386 | RealizeResource(); | |
387 | } | |
388 | ||
389 | void wxFont::SetWeight(int weight) | |
390 | { | |
391 | Unshare(); | |
392 | ||
393 | M_FONTDATA->m_weight = weight; | |
394 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
395 | ||
396 | RealizeResource(); | |
397 | } | |
398 | ||
399 | void wxFont::SetFaceName(const wxString& faceName) | |
400 | { | |
401 | Unshare(); | |
402 | ||
403 | M_FONTDATA->m_faceName = faceName; | |
404 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
405 | ||
406 | RealizeResource(); | |
407 | } | |
408 | ||
409 | void wxFont::SetUnderlined(bool underlined) | |
410 | { | |
411 | Unshare(); | |
412 | ||
413 | M_FONTDATA->m_underlined = underlined; | |
414 | ||
415 | RealizeResource(); | |
416 | } | |
417 | ||
418 | void wxFont::SetEncoding(wxFontEncoding encoding) | |
419 | { | |
420 | Unshare(); | |
421 | ||
422 | M_FONTDATA->m_encoding = encoding; | |
423 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
424 | ||
425 | RealizeResource(); | |
426 | } | |
427 | ||
428 | void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info) | |
429 | { | |
430 | Unshare(); | |
431 | ||
432 | M_FONTDATA->m_nativeFontInfo = info; | |
433 | } | |
434 | ||
435 | // ---------------------------------------------------------------------------- | |
436 | // query font attributes | |
437 | // ---------------------------------------------------------------------------- | |
438 | ||
439 | int wxFont::GetPointSize() const | |
440 | { | |
441 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
442 | ||
443 | return M_FONTDATA->m_pointSize; | |
444 | } | |
445 | ||
446 | wxString wxFont::GetFaceName() const | |
447 | { | |
448 | wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); | |
449 | ||
450 | return M_FONTDATA->m_faceName ; | |
451 | } | |
452 | ||
453 | int wxFont::GetFamily() const | |
454 | { | |
455 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
456 | ||
457 | return M_FONTDATA->m_family; | |
458 | } | |
459 | ||
460 | int wxFont::GetStyle() const | |
461 | { | |
462 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
463 | ||
464 | return M_FONTDATA->m_style; | |
465 | } | |
466 | ||
467 | int wxFont::GetWeight() const | |
468 | { | |
469 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
470 | ||
471 | return M_FONTDATA->m_weight; | |
472 | } | |
473 | ||
474 | bool wxFont::GetUnderlined() const | |
475 | { | |
476 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); | |
477 | ||
478 | return M_FONTDATA->m_underlined; | |
479 | } | |
480 | ||
481 | wxFontEncoding wxFont::GetEncoding() const | |
482 | { | |
483 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); | |
484 | ||
485 | return M_FONTDATA->m_encoding; | |
486 | } | |
487 | ||
488 | const wxNativeFontInfo *wxFont::GetNativeFontInfo() const | |
489 | { | |
490 | wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); | |
491 | ||
492 | if(M_FONTDATA->m_nativeFontInfo.GetXFontName().IsEmpty()) | |
493 | GetInternalFont(); | |
494 | ||
495 | return &(M_FONTDATA->m_nativeFontInfo); | |
496 | } | |
497 | ||
498 | // ---------------------------------------------------------------------------- | |
499 | // real implementation | |
500 | // ---------------------------------------------------------------------------- | |
501 | ||
502 | // Find an existing, or create a new, XFontStruct | |
503 | // based on this wxFont and the given scale. Append the | |
504 | // font to list in the private data for future reference. | |
505 | wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const | |
506 | { | |
507 | if ( !Ok() ) | |
508 | return (wxXFont *)NULL; | |
509 | ||
510 | long intScale = long(scale * 100.0 + 0.5); // key for wxXFont | |
511 | int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100; | |
512 | ||
513 | // search existing fonts first | |
514 | wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst(); | |
515 | while (node) | |
516 | { | |
517 | wxXFont* f = (wxXFont*) node->GetData(); | |
518 | if ((!display || (f->m_display == display)) && (f->m_scale == intScale)) | |
519 | return f; | |
520 | node = node->GetNext(); | |
521 | } | |
522 | ||
523 | // not found, create a new one | |
524 | XFontStruct *font = (XFontStruct *) | |
525 | wxLoadQueryNearestFont(pointSize, | |
526 | M_FONTDATA->m_family, | |
527 | M_FONTDATA->m_style, | |
528 | M_FONTDATA->m_weight, | |
529 | M_FONTDATA->m_underlined, | |
530 | wxT(""), | |
531 | M_FONTDATA->m_encoding); | |
532 | ||
533 | if ( !font ) | |
534 | { | |
535 | wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") ); | |
536 | ||
537 | return (wxXFont*) NULL; | |
538 | } | |
539 | ||
540 | wxXFont* f = new wxXFont; | |
541 | f->m_fontStruct = (WXFontStructPtr)font; | |
542 | f->m_display = ( display ? display : wxGetDisplay() ); | |
543 | f->m_scale = intScale; | |
544 | f->m_fontList = XmFontListCreate ((XFontStruct*) font, XmSTRING_DEFAULT_CHARSET); | |
545 | M_FONTDATA->m_fonts.Append(f); | |
546 | ||
547 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
548 | XmRendition rendition; | |
549 | XmRenderTable renderTable; | |
550 | Arg args[5]; | |
551 | int count = 0; | |
552 | ||
553 | XtSetArg( args[count], XmNfont, font ); ++count; | |
554 | XtSetArg( args[count], XmNunderlineType, | |
555 | GetUnderlined() ? XmSINGLE_LINE : XmNO_LINE ); ++count; | |
556 | rendition = XmRenditionCreate( XmGetXmDisplay( (Display*)f->m_display ), | |
557 | (XmStringTag)"", | |
558 | args, count ); | |
559 | renderTable = XmRenderTableAddRenditions( NULL, &rendition, 1, | |
560 | XmMERGE_REPLACE ); | |
561 | ||
562 | f->m_renderTable = (WXRenderTable)renderTable; | |
563 | #endif | |
564 | ||
565 | return f; | |
566 | } | |
567 | ||
568 | WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const | |
569 | { | |
570 | wxXFont* f = GetInternalFont(scale, display); | |
571 | ||
572 | return (f ? f->m_fontStruct : (WXFontStructPtr) 0); | |
573 | } | |
574 | ||
575 | WXFontList wxFont::GetFontList(double scale, WXDisplay* display) const | |
576 | { | |
577 | wxXFont* f = GetInternalFont(scale, display); | |
578 | ||
579 | return (f ? f->m_fontList : (WXFontList) 0); | |
580 | } | |
581 | ||
582 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
583 | ||
584 | WXRenderTable wxFont::GetRenderTable(WXDisplay* display) const | |
585 | { | |
586 | wxXFont* f = GetInternalFont(1.0, display); | |
587 | ||
588 | return (f ? f->m_renderTable : (WXFontList) 0); | |
589 | } | |
590 | ||
591 | #endif | |
592 | ||
593 | WXFontType wxFont::GetFontType(WXDisplay* display) const | |
594 | { | |
595 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
596 | return Ok() ? GetRenderTable(display) : NULL; | |
597 | #else | |
598 | return Ok() ? GetFontList(1.0, display) : NULL; | |
599 | #endif | |
600 | } | |
601 | ||
602 | /*static*/ WXString wxFont::GetFontTag() | |
603 | { | |
604 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
605 | return (WXString)XmNrenderTable; | |
606 | #else | |
607 | return (WXString)XmNfontList; | |
608 | #endif | |
609 | } |