]>
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 | #ifdef __GNUG__ | |
21 | #pragma implementation "font.h" | |
22 | #endif | |
23 | ||
24 | #ifdef __VMS | |
25 | #pragma message disable nosimpint | |
26 | #include "wx/vms_x_fix.h" | |
27 | #endif | |
28 | ||
29 | #ifdef __VMS | |
30 | #pragma message enable nosimpint | |
31 | #endif | |
32 | ||
33 | #include "wx/defs.h" | |
34 | #include "wx/string.h" | |
35 | #include "wx/font.h" | |
36 | #include "wx/gdicmn.h" | |
37 | #include "wx/utils.h" // for wxGetDisplay() | |
38 | #include "wx/fontutil.h" // for wxNativeFontInfo | |
39 | #include "wx/tokenzr.h" | |
40 | #include "wx/settings.h" | |
41 | #include "wx/x11/private.h" | |
42 | ||
43 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // private classes | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | // For every wxFont, there must be a font for each display and scale requested. | |
50 | // So these objects are stored in wxFontRefData::m_fonts | |
51 | class wxXFont : public wxObject | |
52 | { | |
53 | public: | |
54 | wxXFont(); | |
55 | ~wxXFont(); | |
56 | ||
57 | WXFontStructPtr m_fontStruct; // XFontStruct | |
58 | WXDisplay* m_display; // XDisplay | |
59 | int m_scale; // Scale * 100 | |
60 | }; | |
61 | ||
62 | class wxFontRefData: public wxGDIRefData | |
63 | { | |
64 | friend class wxFont; | |
65 | ||
66 | public: | |
67 | wxFontRefData(int size = wxDEFAULT, | |
68 | int family = wxDEFAULT, | |
69 | int style = wxDEFAULT, | |
70 | int weight = wxDEFAULT, | |
71 | bool underlined = FALSE, | |
72 | const wxString& faceName = wxEmptyString, | |
73 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT) | |
74 | { | |
75 | Init(size, family, style, weight, underlined, faceName, encoding); | |
76 | } | |
77 | ||
78 | wxFontRefData(const wxFontRefData& data) | |
79 | { | |
80 | Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight, | |
81 | data.m_underlined, data.m_faceName, data.m_encoding); | |
82 | } | |
83 | ||
84 | ~wxFontRefData(); | |
85 | ||
86 | protected: | |
87 | // common part of all ctors | |
88 | void Init(int size, | |
89 | int family, | |
90 | int style, | |
91 | int weight, | |
92 | bool underlined, | |
93 | const wxString& faceName, | |
94 | wxFontEncoding encoding); | |
95 | ||
96 | // font attributes | |
97 | int m_pointSize; | |
98 | int m_family; | |
99 | int m_style; | |
100 | int m_weight; | |
101 | bool m_underlined; | |
102 | wxString m_faceName; | |
103 | wxFontEncoding m_encoding; | |
104 | ||
105 | wxNativeFontInfo m_nativeFontInfo; | |
106 | ||
107 | // A list of wxXFonts | |
108 | wxList m_fonts; | |
109 | }; | |
110 | ||
111 | // ============================================================================ | |
112 | // implementation | |
113 | // ============================================================================ | |
114 | ||
115 | // ---------------------------------------------------------------------------- | |
116 | // wxXFont | |
117 | // ---------------------------------------------------------------------------- | |
118 | ||
119 | wxXFont::wxXFont() | |
120 | { | |
121 | m_fontStruct = (WXFontStructPtr) 0; | |
122 | m_display = (WXDisplay*) 0; | |
123 | m_scale = 100; | |
124 | } | |
125 | ||
126 | wxXFont::~wxXFont() | |
127 | { | |
128 | // TODO: why does freeing the font produce a segv??? | |
129 | // Note that XFreeFont wasn't called in wxWin 1.68 either. | |
130 | // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct; | |
131 | // XFreeFont((Display*) m_display, fontStruct); | |
132 | } | |
133 | ||
134 | // ---------------------------------------------------------------------------- | |
135 | // wxFontRefData | |
136 | // ---------------------------------------------------------------------------- | |
137 | ||
138 | void wxFontRefData::Init(int pointSize, | |
139 | int family, | |
140 | int style, | |
141 | int weight, | |
142 | bool underlined, | |
143 | const wxString& faceName, | |
144 | wxFontEncoding encoding) | |
145 | { | |
146 | if (family == wxDEFAULT) | |
147 | m_family = wxSWISS; | |
148 | else | |
149 | m_family = family; | |
150 | ||
151 | m_faceName = faceName; | |
152 | ||
153 | if (style == wxDEFAULT) | |
154 | m_style = wxNORMAL; | |
155 | else | |
156 | m_style = style; | |
157 | ||
158 | if (weight == wxDEFAULT) | |
159 | m_weight = wxNORMAL; | |
160 | else | |
161 | m_weight = weight; | |
162 | ||
163 | if (pointSize == wxDEFAULT) | |
164 | m_pointSize = 12; | |
165 | else | |
166 | m_pointSize = pointSize; | |
167 | ||
168 | m_underlined = underlined; | |
169 | m_encoding = encoding; | |
170 | } | |
171 | ||
172 | wxFontRefData::~wxFontRefData() | |
173 | { | |
174 | wxNode* node = m_fonts.First(); | |
175 | while (node) | |
176 | { | |
177 | wxXFont* f = (wxXFont*) node->Data(); | |
178 | delete f; | |
179 | node = node->Next(); | |
180 | } | |
181 | m_fonts.Clear(); | |
182 | } | |
183 | ||
184 | // ---------------------------------------------------------------------------- | |
185 | // wxFont | |
186 | // ---------------------------------------------------------------------------- | |
187 | ||
188 | wxFont::wxFont(const wxNativeFontInfo& info) | |
189 | { | |
190 | Init(); | |
191 | ||
192 | (void)Create(info.GetXFontName()); | |
193 | } | |
194 | ||
195 | void wxFont::Init() | |
196 | { | |
197 | } | |
198 | ||
199 | bool wxFont::Create(int pointSize, | |
200 | int family, | |
201 | int style, | |
202 | int weight, | |
203 | bool underlined, | |
204 | const wxString& faceName, | |
205 | wxFontEncoding encoding) | |
206 | { | |
207 | UnRef(); | |
208 | m_refData = new wxFontRefData(pointSize, family, style, weight, | |
209 | underlined, faceName, encoding); | |
210 | ||
211 | RealizeResource(); | |
212 | ||
213 | return TRUE; | |
214 | } | |
215 | ||
216 | bool wxFont::Create(const wxString& fontname, wxFontEncoding enc) | |
217 | { | |
218 | if( !fontname ) | |
219 | { | |
220 | *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT); | |
221 | return TRUE; | |
222 | } | |
223 | ||
224 | m_refData = new wxFontRefData(); | |
225 | ||
226 | M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname); // X font name | |
227 | ||
228 | wxString tmp; | |
229 | ||
230 | wxStringTokenizer tn( fontname, wxT("-") ); | |
231 | ||
232 | tn.GetNextToken(); // skip initial empty token | |
233 | tn.GetNextToken(); // foundry | |
234 | ||
235 | ||
236 | M_FONTDATA->m_faceName = tn.GetNextToken(); // family | |
237 | ||
238 | tmp = tn.GetNextToken().MakeUpper(); // weight | |
239 | if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD; | |
240 | if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD; | |
241 | if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
242 | if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD; | |
243 | if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD; | |
244 | ||
245 | if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT; | |
246 | if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT; | |
247 | ||
248 | tmp = tn.GetNextToken().MakeUpper(); // slant | |
249 | if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC; | |
250 | if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC; | |
251 | ||
252 | tn.GetNextToken(); // set width | |
253 | tn.GetNextToken(); // add. style | |
254 | tn.GetNextToken(); // pixel size | |
255 | ||
256 | tmp = tn.GetNextToken(); // pointsize | |
257 | if (tmp != wxT("*")) | |
258 | { | |
259 | long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10); | |
260 | M_FONTDATA->m_pointSize = (int)(num / 10); | |
261 | } | |
262 | ||
263 | tn.GetNextToken(); // x-res | |
264 | tn.GetNextToken(); // y-res | |
265 | ||
266 | tmp = tn.GetNextToken().MakeUpper(); // spacing | |
267 | ||
268 | if (tmp == wxT("M")) | |
269 | M_FONTDATA->m_family = wxMODERN; | |
270 | else if (M_FONTDATA->m_faceName == wxT("TIMES")) | |
271 | M_FONTDATA->m_family = wxROMAN; | |
272 | else if (M_FONTDATA->m_faceName == wxT("HELVETICA")) | |
273 | M_FONTDATA->m_family = wxSWISS; | |
274 | else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER")) | |
275 | M_FONTDATA->m_family = wxTELETYPE; | |
276 | else if (M_FONTDATA->m_faceName == wxT("LUCIDA")) | |
277 | M_FONTDATA->m_family = wxDECORATIVE; | |
278 | else if (M_FONTDATA->m_faceName == wxT("UTOPIA")) | |
279 | M_FONTDATA->m_family = wxSCRIPT; | |
280 | ||
281 | tn.GetNextToken(); // avg width | |
282 | ||
283 | // deal with font encoding | |
284 | M_FONTDATA->m_encoding = enc; | |
285 | if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM ) | |
286 | { | |
287 | wxString registry = tn.GetNextToken().MakeUpper(), | |
288 | encoding = tn.GetNextToken().MakeUpper(); | |
289 | ||
290 | if ( registry == _T("ISO8859") ) | |
291 | { | |
292 | int cp; | |
293 | if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 ) | |
294 | { | |
295 | M_FONTDATA->m_encoding = | |
296 | (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1); | |
297 | } | |
298 | } | |
299 | else if ( registry == _T("MICROSOFT") ) | |
300 | { | |
301 | int cp; | |
302 | if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 ) | |
303 | { | |
304 | M_FONTDATA->m_encoding = | |
305 | (wxFontEncoding)(wxFONTENCODING_CP1250 + cp); | |
306 | } | |
307 | } | |
308 | else if ( registry == _T("KOI8") ) | |
309 | { | |
310 | M_FONTDATA->m_encoding = wxFONTENCODING_KOI8; | |
311 | } | |
312 | //else: unknown encoding - may be give a warning here? | |
313 | else | |
314 | return FALSE; | |
315 | } | |
316 | return TRUE; | |
317 | } | |
318 | ||
319 | wxFont::~wxFont() | |
320 | { | |
321 | } | |
322 | ||
323 | // ---------------------------------------------------------------------------- | |
324 | // change the font attributes | |
325 | // ---------------------------------------------------------------------------- | |
326 | ||
327 | void wxFont::Unshare() | |
328 | { | |
329 | // Don't change shared data | |
330 | if (!m_refData) | |
331 | { | |
332 | m_refData = new wxFontRefData(); | |
333 | } | |
334 | else | |
335 | { | |
336 | wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); | |
337 | UnRef(); | |
338 | m_refData = ref; | |
339 | } | |
340 | } | |
341 | ||
342 | void wxFont::SetPointSize(int pointSize) | |
343 | { | |
344 | Unshare(); | |
345 | ||
346 | M_FONTDATA->m_pointSize = pointSize; | |
347 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
348 | ||
349 | RealizeResource(); | |
350 | } | |
351 | ||
352 | void wxFont::SetFamily(int family) | |
353 | { | |
354 | Unshare(); | |
355 | ||
356 | M_FONTDATA->m_family = family; | |
357 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
358 | ||
359 | RealizeResource(); | |
360 | } | |
361 | ||
362 | void wxFont::SetStyle(int style) | |
363 | { | |
364 | Unshare(); | |
365 | ||
366 | M_FONTDATA->m_style = style; | |
367 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
368 | ||
369 | RealizeResource(); | |
370 | } | |
371 | ||
372 | void wxFont::SetWeight(int weight) | |
373 | { | |
374 | Unshare(); | |
375 | ||
376 | M_FONTDATA->m_weight = weight; | |
377 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
378 | ||
379 | RealizeResource(); | |
380 | } | |
381 | ||
382 | void wxFont::SetFaceName(const wxString& faceName) | |
383 | { | |
384 | Unshare(); | |
385 | ||
386 | M_FONTDATA->m_faceName = faceName; | |
387 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
388 | ||
389 | RealizeResource(); | |
390 | } | |
391 | ||
392 | void wxFont::SetUnderlined(bool underlined) | |
393 | { | |
394 | Unshare(); | |
395 | ||
396 | M_FONTDATA->m_underlined = underlined; | |
397 | ||
398 | RealizeResource(); | |
399 | } | |
400 | ||
401 | void wxFont::SetEncoding(wxFontEncoding encoding) | |
402 | { | |
403 | Unshare(); | |
404 | ||
405 | M_FONTDATA->m_encoding = encoding; | |
406 | M_FONTDATA->m_nativeFontInfo.GetXFontName().Clear(); // invalid now | |
407 | ||
408 | RealizeResource(); | |
409 | } | |
410 | ||
411 | void wxFont::SetNativeFontInfo(const wxNativeFontInfo& info) | |
412 | { | |
413 | Unshare(); | |
414 | ||
415 | M_FONTDATA->m_nativeFontInfo = info; | |
416 | } | |
417 | ||
418 | // ---------------------------------------------------------------------------- | |
419 | // query font attributes | |
420 | // ---------------------------------------------------------------------------- | |
421 | ||
422 | int wxFont::GetPointSize() const | |
423 | { | |
424 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
425 | ||
426 | return M_FONTDATA->m_pointSize; | |
427 | } | |
428 | ||
429 | wxString wxFont::GetFaceName() const | |
430 | { | |
431 | wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); | |
432 | ||
433 | return M_FONTDATA->m_faceName ; | |
434 | } | |
435 | ||
436 | int wxFont::GetFamily() const | |
437 | { | |
438 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
439 | ||
440 | return M_FONTDATA->m_family; | |
441 | } | |
442 | ||
443 | int wxFont::GetStyle() const | |
444 | { | |
445 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
446 | ||
447 | return M_FONTDATA->m_style; | |
448 | } | |
449 | ||
450 | int wxFont::GetWeight() const | |
451 | { | |
452 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); | |
453 | ||
454 | return M_FONTDATA->m_weight; | |
455 | } | |
456 | ||
457 | bool wxFont::GetUnderlined() const | |
458 | { | |
459 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); | |
460 | ||
461 | return M_FONTDATA->m_underlined; | |
462 | } | |
463 | ||
464 | wxFontEncoding wxFont::GetEncoding() const | |
465 | { | |
466 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); | |
467 | ||
468 | return M_FONTDATA->m_encoding; | |
469 | } | |
470 | ||
471 | wxNativeFontInfo *wxFont::GetNativeFontInfo() const | |
472 | { | |
473 | wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); | |
474 | ||
475 | if(M_FONTDATA->m_nativeFontInfo.GetXFontName().IsEmpty()) | |
476 | GetInternalFont(); | |
477 | ||
478 | return new wxNativeFontInfo(M_FONTDATA->m_nativeFontInfo); | |
479 | } | |
480 | ||
481 | // ---------------------------------------------------------------------------- | |
482 | // real implementation | |
483 | // ---------------------------------------------------------------------------- | |
484 | ||
485 | // Find an existing, or create a new, XFontStruct | |
486 | // based on this wxFont and the given scale. Append the | |
487 | // font to list in the private data for future reference. | |
488 | wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const | |
489 | { | |
490 | if ( !Ok() ) | |
491 | return (wxXFont *)NULL; | |
492 | ||
493 | long intScale = long(scale * 100.0 + 0.5); // key for wxXFont | |
494 | int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100; | |
495 | ||
496 | // search existing fonts first | |
497 | wxNode* node = M_FONTDATA->m_fonts.First(); | |
498 | while (node) | |
499 | { | |
500 | wxXFont* f = (wxXFont*) node->Data(); | |
501 | if ((!display || (f->m_display == display)) && (f->m_scale == intScale)) | |
502 | return f; | |
503 | node = node->Next(); | |
504 | } | |
505 | ||
506 | // not found, create a new one | |
507 | XFontStruct *font = (XFontStruct *) | |
508 | wxLoadQueryNearestFont(pointSize, | |
509 | M_FONTDATA->m_family, | |
510 | M_FONTDATA->m_style, | |
511 | M_FONTDATA->m_weight, | |
512 | M_FONTDATA->m_underlined, | |
513 | wxT(""), | |
514 | M_FONTDATA->m_encoding); | |
515 | ||
516 | if ( !font ) | |
517 | { | |
518 | wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") ); | |
519 | ||
520 | return (wxXFont*) NULL; | |
521 | } | |
522 | ||
523 | wxXFont* f = new wxXFont; | |
524 | f->m_fontStruct = (WXFontStructPtr)font; | |
525 | f->m_display = ( display ? display : wxGetDisplay() ); | |
526 | f->m_scale = intScale; | |
527 | M_FONTDATA->m_fonts.Append(f); | |
528 | ||
529 | return f; | |
530 | } | |
531 | ||
532 | WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const | |
533 | { | |
534 | wxXFont* f = GetInternalFont(scale, display); | |
535 | ||
536 | return (f ? f->m_fontStruct : (WXFontStructPtr) 0); | |
537 | } | |
538 |