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