]>
Commit | Line | Data |
---|---|---|
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 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #include "wx/defs.h" | |
28 | ||
29 | #ifdef __VMS | |
30 | #pragma message disable nosimpint | |
31 | #include "wx/vms_x_fix.h" | |
32 | #endif | |
33 | #include <Xm/Xm.h> | |
34 | #ifdef __VMS | |
35 | #pragma message enable nosimpint | |
36 | #endif | |
37 | ||
38 | #include "wx/string.h" | |
39 | #include "wx/font.h" | |
40 | #include "wx/gdicmn.h" | |
41 | #include "wx/utils.h" // for wxGetDisplay() | |
42 | #include "wx/fontutil.h" // for wxNativeFontInfo | |
43 | #include "wx/tokenzr.h" | |
44 | #include "wx/settings.h" | |
45 | #include "wx/motif/private.h" | |
46 | ||
47 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) | |
48 | ||
49 | // ---------------------------------------------------------------------------- | |
50 | // private classes | |
51 | // ---------------------------------------------------------------------------- | |
52 | ||
53 | // For every wxFont, there must be a font for each display and scale requested. | |
54 | // So these objects are stored in wxFontRefData::m_fonts | |
55 | class wxXFont : public wxObject | |
56 | { | |
57 | public: | |
58 | wxXFont(); | |
59 | ~wxXFont(); | |
60 | ||
61 | WXFontStructPtr m_fontStruct; // XFontStruct | |
62 | WXFontList m_fontList; // Motif XmFontList | |
63 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
64 | WXRenderTable m_renderTable; // Motif XmRenderTable | |
65 | #endif | |
66 | WXDisplay* m_display; // XDisplay | |
67 | int m_scale; // Scale * 100 | |
68 | }; | |
69 | ||
70 | class wxFontRefData: public wxGDIRefData | |
71 | { | |
72 | friend class wxFont; | |
73 | ||
74 | public: | |
75 | wxFontRefData(int size = wxDEFAULT, | |
76 | int family = wxDEFAULT, | |
77 | int style = wxDEFAULT, | |
78 | int weight = wxDEFAULT, | |
79 | bool underlined = false, | |
80 | const wxString& faceName = wxEmptyString, | |
81 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) | |
82 | { | |
83 | Init(size, family, style, weight, underlined, faceName, encoding); | |
84 | } | |
85 | ||
86 | wxFontRefData(const wxFontRefData& data) | |
87 | { | |
88 | Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, | |
89 | data.m_underlined, data.m_faceName, data.m_encoding); | |
90 | } | |
91 | ||
92 | ~wxFontRefData(); | |
93 | ||
94 | protected: | |
95 | // common part of all ctors | |
96 | void Init(int size, | |
97 | int family, | |
98 | int style, | |
99 | int weight, | |
100 | bool underlined, | |
101 | const wxString& faceName, | |
102 | wxFontEncoding encoding); | |
103 | ||
104 | // font attributes | |
105 | int m_pointSize; | |
106 | int m_family; | |
107 | int m_style; | |
108 | int m_weight; | |
109 | bool m_underlined; | |
110 | wxString m_faceName; | |
111 | wxFontEncoding m_encoding; | |
112 | ||
113 | wxNativeFontInfo m_nativeFontInfo; | |
114 | ||
115 | // A list of wxXFonts | |
116 | wxList m_fonts; | |
117 | }; | |
118 | ||
119 | // ============================================================================ | |
120 | // implementation | |
121 | // ============================================================================ | |
122 | ||
123 | // ---------------------------------------------------------------------------- | |
124 | // wxXFont | |
125 | // ---------------------------------------------------------------------------- | |
126 | ||
127 | wxXFont::wxXFont() | |
128 | { | |
129 | m_fontStruct = (WXFontStructPtr) 0; | |
130 | m_fontList = (WXFontList) 0; | |
131 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
132 | m_renderTable = (WXRenderTable) 0; | |
133 | #endif | |
134 | m_display = (WXDisplay*) 0; | |
135 | m_scale = 100; | |
136 | } | |
137 | ||
138 | wxXFont::~wxXFont() | |
139 | { | |
140 | XmFontList fontList = (XmFontList) m_fontList; | |
141 | XmFontListFree (fontList); | |
142 | ||
143 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
144 | XmRenderTable renderTable = (XmRenderTable) m_renderTable; | |
145 | XmRenderTableFree (renderTable); | |
146 | #endif | |
147 | ||
148 | // TODO: why does freeing the font produce a segv??? | |
149 | // Note that XFreeFont wasn't called in wxWin 1.68 either. | |
150 | // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct; | |
151 | // XFreeFont((Display*) m_display, fontStruct); | |
152 | } | |
153 | ||
154 | // ---------------------------------------------------------------------------- | |
155 | // wxFontRefData | |
156 | // ---------------------------------------------------------------------------- | |
157 | ||
158 | void wxFontRefData::Init(int pointSize, | |
159 | int family, | |
160 | int style, | |
161 | int weight, | |
162 | bool underlined, | |
163 | const wxString& faceName, | |
164 | wxFontEncoding encoding) | |
165 | { | |
166 | if (family == wxDEFAULT) | |
167 | m_family = wxSWISS; | |
168 | else | |
169 | m_family = family; | |
170 | ||
171 | m_faceName = faceName; | |
172 | ||
173 | if (style == wxDEFAULT) | |
174 | m_style = wxNORMAL; | |
175 | else | |
176 | m_style = style; | |
177 | ||
178 | if (weight == wxDEFAULT) | |
179 | m_weight = wxNORMAL; | |
180 | else | |
181 | m_weight = weight; | |
182 | ||
183 | if (pointSize == wxDEFAULT) | |
184 | m_pointSize = 12; | |
185 | else | |
186 | m_pointSize = pointSize; | |
187 | ||
188 | m_underlined = underlined; | |
189 | m_encoding = encoding; | |
190 | } | |
191 | ||
192 | wxFontRefData::~wxFontRefData() | |
193 | { | |
194 | wxList::compatibility_iterator node = m_fonts.GetFirst(); | |
195 | while (node) | |
196 | { | |
197 | wxXFont* f = (wxXFont*) node->GetData(); | |
198 | delete f; | |
199 | node = node->GetNext(); | |
200 | } | |
201 | m_fonts.Clear(); | |
202 | } | |
203 | ||
204 | // ---------------------------------------------------------------------------- | |
205 | // wxFont | |
206 | // ---------------------------------------------------------------------------- | |
207 | ||
208 | wxFont::wxFont(const wxNativeFontInfo& info) | |
209 | { | |
210 | Init(); | |
211 | ||
212 | (void)Create(info.GetXFontName()); | |
213 | } | |
214 | ||
215 | void wxFont::Init() | |
216 | { | |
217 | } | |
218 | ||
219 | bool wxFont::Create(int pointSize, | |
220 | int family, | |
221 | int style, | |
222 | int weight, | |
223 | bool underlined, | |
224 | const wxString& faceName, | |
225 | wxFontEncoding encoding) | |
226 | { | |
227 | UnRef(); | |
228 | m_refData = new wxFontRefData(pointSize, family, style, weight, | |
229 | underlined, faceName, encoding); | |
230 | ||
231 | RealizeResource(); | |
232 | ||
233 | return true; | |
234 | } | |
235 | ||
236 | bool wxFont::Create(const wxString& fontname, wxFontEncoding enc) | |
237 | { | |
238 | if( !fontname ) | |
239 | { | |
240 | *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT); | |
241 | return true; | |
242 | } | |
243 | ||
244 | m_refData = new wxFontRefData(); | |
245 | ||
246 | M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname); // X font name | |
247 | ||
248 | wxString tmp; | |
249 | ||
250 | wxStringTokenizer tn( fontname, wxT("-") ); | |
251 | ||
252 | tn.GetNextToken(); // skip initial empty token | |
253 | tn.GetNextToken(); // foundry | |
254 | ||
255 | ||
256 | M_FONTDATA->m_faceName = tn.GetNextToken(); // family | |
257 | ||
258 | tmp = tn.GetNextToken().MakeUpper(); // weight | |
259 | if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD; | |
260 | if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD; | |
261 | if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
262 | if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD; | |
263 | if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
264 | ||
265 | if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT; | |
266 | if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT; | |
267 | ||
268 | tmp = tn.GetNextToken().MakeUpper(); // slant | |
269 | if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC; | |
270 | if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC; | |
271 | ||
272 | tn.GetNextToken(); // set width | |
273 | tn.GetNextToken(); // add. style | |
274 | tn.GetNextToken(); // pixel size | |
275 | ||
276 | tmp = tn.GetNextToken(); // pointsize | |
277 | if (tmp != wxT("*")) | |
278 | { | |
279 | long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10); | |
280 | M_FONTDATA->m_pointSize = (int)(num / 10); | |
281 | } | |
282 | ||
283 | tn.GetNextToken(); // x-res | |
284 | tn.GetNextToken(); // y-res | |
285 | ||
286 | tmp = tn.GetNextToken().MakeUpper(); // spacing | |
287 | ||
288 | if (tmp == wxT("M")) | |
289 | M_FONTDATA->m_family = wxMODERN; | |
290 | else if (M_FONTDATA->m_faceName == wxT("TIMES")) | |
291 | M_FONTDATA->m_family = wxROMAN; | |
292 | else if (M_FONTDATA->m_faceName == wxT("HELVETICA")) | |
293 | M_FONTDATA->m_family = wxSWISS; | |
294 | else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER")) | |
295 | M_FONTDATA->m_family = wxTELETYPE; | |
296 | else if (M_FONTDATA->m_faceName == wxT("LUCIDA")) | |
297 | M_FONTDATA->m_family = wxDECORATIVE; | |
298 | else if (M_FONTDATA->m_faceName == wxT("UTOPIA")) | |
299 | M_FONTDATA->m_family = wxSCRIPT; | |
300 | ||
301 | tn.GetNextToken(); // avg width | |
302 | ||
303 | // deal with font encoding | |
304 | M_FONTDATA->m_encoding = enc; | |
305 | if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM ) | |
306 | { | |
307 | wxString registry = tn.GetNextToken().MakeUpper(), | |
308 | encoding = tn.GetNextToken().MakeUpper(); | |
309 | ||
310 | if ( registry == _T("ISO8859") ) | |
311 | { | |
312 | int cp; | |
313 | if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 ) | |
314 | { | |
315 | M_FONTDATA->m_encoding = | |
316 | (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1); | |
317 | } | |
318 | } | |
319 | else if ( registry == _T("MICROSOFT") ) | |
320 | { | |
321 | int cp; | |
322 | if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 ) | |
323 | { | |
324 | M_FONTDATA->m_encoding = | |
325 | (wxFontEncoding)(wxFONTENCODING_CP1250 + cp); | |
326 | } | |
327 | } | |
328 | else if ( registry == _T("KOI8") ) | |
329 | { | |
330 | M_FONTDATA->m_encoding = wxFONTENCODING_KOI8; | |
331 | } | |
332 | //else: unknown encoding - may be give a warning here? | |
333 | else | |
334 | return false; | |
335 | } | |
336 | return true; | |
337 | } | |
338 | ||
339 | wxFont::~wxFont() | |
340 | { | |
341 | } | |
342 | ||
343 | // ---------------------------------------------------------------------------- | |
344 | // change the font attributes | |
345 | // ---------------------------------------------------------------------------- | |
346 | ||
347 | void wxFont::Unshare() | |
348 | { | |
349 | // Don't change shared data | |
350 | if (!m_refData) | |
351 | { | |
352 | m_refData = new wxFontRefData(); | |
353 | } | |
354 | else | |
355 | { | |
356 | wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); | |
357 | UnRef(); | |
358 | m_refData = ref; | |
359 | } | |
360 | } | |
361 | ||
362 | void wxFont::SetPointSize(int pointSize) | |
363 | { | |
364 | Unshare(); | |
365 | ||
366 | M_FONTDATA->m_pointSize = pointSize; | |
367 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
368 | ||
369 | RealizeResource(); | |
370 | } | |
371 | ||
372 | void wxFont::SetFamily(int family) | |
373 | { | |
374 | Unshare(); | |
375 | ||
376 | M_FONTDATA->m_family = family; | |
377 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
378 | ||
379 | RealizeResource(); | |
380 | } | |
381 | ||
382 | void wxFont::SetStyle(int style) | |
383 | { | |
384 | Unshare(); | |
385 | ||
386 | M_FONTDATA->m_style = style; | |
387 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
388 | ||
389 | RealizeResource(); | |
390 | } | |
391 | ||
392 | void wxFont::SetWeight(int weight) | |
393 | { | |
394 | Unshare(); | |
395 | ||
396 | M_FONTDATA->m_weight = weight; | |
397 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
398 | ||
399 | RealizeResource(); | |
400 | } | |
401 | ||
402 | void wxFont::SetFaceName(const wxString& faceName) | |
403 | { | |
404 | Unshare(); | |
405 | ||
406 | M_FONTDATA->m_faceName = faceName; | |
407 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
408 | ||
409 | RealizeResource(); | |
410 | } | |
411 | ||
412 | void wxFont::SetUnderlined(bool underlined) | |
413 | { | |
414 | Unshare(); | |
415 | ||
416 | M_FONTDATA->m_underlined = underlined; | |
417 | ||
418 | RealizeResource(); | |
419 | } | |
420 | ||
421 | void wxFont::SetEncoding(wxFontEncoding encoding) | |
422 | { | |
423 | Unshare(); | |
424 | ||
425 | M_FONTDATA->m_encoding = encoding; | |
426 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
427 | ||
428 | RealizeResource(); | |
429 | } | |
430 | ||
431 | void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info) | |
432 | { | |
433 | Unshare(); | |
434 | ||
435 | M_FONTDATA->m_nativeFontInfo = info; | |
436 | } | |
437 | ||
438 | // ---------------------------------------------------------------------------- | |
439 | // query font attributes | |
440 | // ---------------------------------------------------------------------------- | |
441 | ||
442 | int wxFont::GetPointSize() const | |
443 | { | |
444 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
445 | ||
446 | return M_FONTDATA->m_pointSize; | |
447 | } | |
448 | ||
449 | wxString wxFont::GetFaceName() const | |
450 | { | |
451 | wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); | |
452 | ||
453 | return M_FONTDATA->m_faceName ; | |
454 | } | |
455 | ||
456 | int wxFont::GetFamily() const | |
457 | { | |
458 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
459 | ||
460 | return M_FONTDATA->m_family; | |
461 | } | |
462 | ||
463 | int wxFont::GetStyle() const | |
464 | { | |
465 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
466 | ||
467 | return M_FONTDATA->m_style; | |
468 | } | |
469 | ||
470 | int wxFont::GetWeight() const | |
471 | { | |
472 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
473 | ||
474 | return M_FONTDATA->m_weight; | |
475 | } | |
476 | ||
477 | bool wxFont::GetUnderlined() const | |
478 | { | |
479 | wxCHECK_MSG( Ok(), false, wxT("invalid font") ); | |
480 | ||
481 | return M_FONTDATA->m_underlined; | |
482 | } | |
483 | ||
484 | wxFontEncoding wxFont::GetEncoding() const | |
485 | { | |
486 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); | |
487 | ||
488 | return M_FONTDATA->m_encoding; | |
489 | } | |
490 | ||
491 | const wxNativeFontInfo *wxFont::GetNativeFontInfo() const | |
492 | { | |
493 | wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); | |
494 | ||
495 | if(M_FONTDATA->m_nativeFontInfo.GetXFontName().IsEmpty()) | |
496 | GetInternalFont(); | |
497 | ||
498 | return &(M_FONTDATA->m_nativeFontInfo); | |
499 | } | |
500 | ||
501 | // ---------------------------------------------------------------------------- | |
502 | // real implementation | |
503 | // ---------------------------------------------------------------------------- | |
504 | ||
505 | // Find an existing, or create a new, XFontStruct | |
506 | // based on this wxFont and the given scale. Append the | |
507 | // font to list in the private data for future reference. | |
508 | wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const | |
509 | { | |
510 | if ( !Ok() ) | |
511 | return (wxXFont *)NULL; | |
512 | ||
513 | long intScale = long(scale * 100.0 + 0.5); // key for wxXFont | |
514 | int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100; | |
515 | ||
516 | // search existing fonts first | |
517 | wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst(); | |
518 | while (node) | |
519 | { | |
520 | wxXFont* f = (wxXFont*) node->GetData(); | |
521 | if ((!display || (f->m_display == display)) && (f->m_scale == intScale)) | |
522 | return f; | |
523 | node = node->GetNext(); | |
524 | } | |
525 | ||
526 | // not found, create a new one | |
527 | XFontStruct *font = (XFontStruct *) | |
528 | wxLoadQueryNearestFont(pointSize, | |
529 | M_FONTDATA->m_family, | |
530 | M_FONTDATA->m_style, | |
531 | M_FONTDATA->m_weight, | |
532 | M_FONTDATA->m_underlined, | |
533 | wxT(""), | |
534 | M_FONTDATA->m_encoding); | |
535 | ||
536 | if ( !font ) | |
537 | { | |
538 | wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") ); | |
539 | ||
540 | return (wxXFont*) NULL; | |
541 | } | |
542 | ||
543 | wxXFont* f = new wxXFont; | |
544 | f->m_fontStruct = (WXFontStructPtr)font; | |
545 | f->m_display = ( display ? display : wxGetDisplay() ); | |
546 | f->m_scale = intScale; | |
547 | f->m_fontList = XmFontListCreate ((XFontStruct*) font, XmSTRING_DEFAULT_CHARSET); | |
548 | M_FONTDATA->m_fonts.Append(f); | |
549 | ||
550 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
551 | XmRendition rendition; | |
552 | XmRenderTable renderTable; | |
553 | Arg args[5]; | |
554 | int count = 0; | |
555 | ||
556 | XtSetArg( args[count], XmNfont, font ); ++count; | |
557 | XtSetArg( args[count], XmNunderlineType, | |
558 | GetUnderlined() ? XmSINGLE_LINE : XmNO_LINE ); ++count; | |
559 | rendition = XmRenditionCreate( XmGetXmDisplay( (Display*)f->m_display ), | |
560 | (XmStringTag)"", | |
561 | args, count ); | |
562 | renderTable = XmRenderTableAddRenditions( NULL, &rendition, 1, | |
563 | XmMERGE_REPLACE ); | |
564 | ||
565 | f->m_renderTable = (WXRenderTable)renderTable; | |
566 | #endif | |
567 | ||
568 | return f; | |
569 | } | |
570 | ||
571 | WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const | |
572 | { | |
573 | wxXFont* f = GetInternalFont(scale, display); | |
574 | ||
575 | return (f ? f->m_fontStruct : (WXFontStructPtr) 0); | |
576 | } | |
577 | ||
578 | WXFontList wxFont::GetFontList(double scale, WXDisplay* display) const | |
579 | { | |
580 | wxXFont* f = GetInternalFont(scale, display); | |
581 | ||
582 | return (f ? f->m_fontList : (WXFontList) 0); | |
583 | } | |
584 | ||
585 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) | |
586 | ||
587 | WXRenderTable wxFont::GetRenderTable(WXDisplay* display) const | |
588 | { | |
589 | wxXFont* f = GetInternalFont(1.0, display); | |
590 | ||
591 | return (f ? f->m_renderTable : (WXFontList) 0); | |
592 | } | |
593 | ||
594 | #endif | |
595 | ||
596 | WXFontType wxFont::GetFontType(WXDisplay* display) const | |
597 | { | |
598 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
599 | return Ok() ? GetRenderTable(display) : NULL; | |
600 | #else | |
601 | return Ok() ? GetFontList(1.0, display) : NULL; | |
602 | #endif | |
603 | } | |
604 | ||
605 | /*static*/ WXString wxFont::GetFontTag() | |
606 | { | |
607 | #if wxCHECK_MOTIF_VERSION( 2, 0 ) && !wxCHECK_LESSTIF() | |
608 | return (WXString)XmNrenderTable; | |
609 | #else | |
610 | return (WXString)XmNfontList; | |
611 | #endif | |
612 | } |