| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/font.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling and Julian Smart |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // ============================================================================ |
| 11 | // declarations |
| 12 | // ============================================================================ |
| 13 | |
| 14 | // ---------------------------------------------------------------------------- |
| 15 | // headers |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | |
| 18 | // For compilers that support precompilation, includes "wx.h". |
| 19 | #include "wx/wxprec.h" |
| 20 | |
| 21 | #include "wx/font.h" |
| 22 | #include "wx/fontutil.h" |
| 23 | #include "wx/cmndata.h" |
| 24 | #include "wx/utils.h" |
| 25 | #include "wx/log.h" |
| 26 | #include "wx/gdicmn.h" |
| 27 | #include "wx/tokenzr.h" |
| 28 | #include "wx/settings.h" |
| 29 | |
| 30 | #include <strings.h> |
| 31 | |
| 32 | #include "wx/gtk1/private.h" |
| 33 | #include <gdk/gdkprivate.h> |
| 34 | |
| 35 | // ---------------------------------------------------------------------------- |
| 36 | // constants |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | |
| 39 | // the default size (in points) for the fonts |
| 40 | static const int wxDEFAULT_FONT_SIZE = 12; |
| 41 | |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | // wxScaledFontList: maps the font sizes to the GDK fonts for the given font |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | |
| 46 | WX_DECLARE_HASH_MAP(int, GdkFont *, wxIntegerHash, wxIntegerEqual, |
| 47 | wxScaledFontList); |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | // wxFontRefData |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | |
| 53 | class wxFontRefData : public wxObjectRefData |
| 54 | { |
| 55 | public: |
| 56 | // from broken down font parameters, also default ctor |
| 57 | wxFontRefData(int size = -1, |
| 58 | int family = wxFONTFAMILY_DEFAULT, |
| 59 | int style = wxFONTSTYLE_NORMAL, |
| 60 | int weight = wxFONTWEIGHT_NORMAL, |
| 61 | bool underlined = FALSE, |
| 62 | const wxString& faceName = wxEmptyString, |
| 63 | wxFontEncoding encoding = wxFONTENCODING_DEFAULT); |
| 64 | |
| 65 | // from XFLD |
| 66 | wxFontRefData(const wxString& fontname); |
| 67 | |
| 68 | // copy ctor |
| 69 | wxFontRefData( const wxFontRefData& data ); |
| 70 | |
| 71 | virtual ~wxFontRefData(); |
| 72 | |
| 73 | // do we have the native font info? |
| 74 | bool HasNativeFont() const |
| 75 | { |
| 76 | // only use m_nativeFontInfo if it had been initialized |
| 77 | return !m_nativeFontInfo.IsDefault(); |
| 78 | } |
| 79 | |
| 80 | // setters: all of them also take care to modify m_nativeFontInfo if we |
| 81 | // have it so as to not lose the information not carried by our fields |
| 82 | void SetPointSize(int pointSize); |
| 83 | void SetFamily(int family); |
| 84 | void SetStyle(int style); |
| 85 | void SetWeight(int weight); |
| 86 | void SetUnderlined(bool underlined); |
| 87 | void SetFaceName(const wxString& facename); |
| 88 | void SetEncoding(wxFontEncoding encoding); |
| 89 | |
| 90 | void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; } |
| 91 | bool GetNoAntiAliasing() const { return m_noAA; } |
| 92 | |
| 93 | // and this one also modifies all the other font data fields |
| 94 | void SetNativeFontInfo(const wxNativeFontInfo& info); |
| 95 | |
| 96 | // debugger helper: shows what the font really is |
| 97 | // |
| 98 | // VZ: I need this as my gdb either shows wildly wrong values or crashes |
| 99 | // when I ask it to "p fontRefData" :-( |
| 100 | #if defined(__WXDEBUG__) |
| 101 | void Dump() const |
| 102 | { |
| 103 | wxPrintf(_T("%s-%s-%s-%d-%d\n"), |
| 104 | m_faceName.c_str(), |
| 105 | m_weight == wxFONTWEIGHT_NORMAL |
| 106 | ? _T("normal") |
| 107 | : m_weight == wxFONTWEIGHT_BOLD |
| 108 | ? _T("bold") |
| 109 | : _T("light"), |
| 110 | m_style == wxFONTSTYLE_NORMAL ? _T("regular") : _T("italic"), |
| 111 | m_pointSize, |
| 112 | m_encoding); |
| 113 | } |
| 114 | #endif // Debug |
| 115 | |
| 116 | protected: |
| 117 | // common part of all ctors |
| 118 | void Init(int pointSize, |
| 119 | int family, |
| 120 | int style, |
| 121 | int weight, |
| 122 | bool underlined, |
| 123 | const wxString& faceName, |
| 124 | wxFontEncoding encoding); |
| 125 | |
| 126 | // set all fields from (already initialized and valid) m_nativeFontInfo |
| 127 | void InitFromNative(); |
| 128 | |
| 129 | private: |
| 130 | // clear m_scaled_xfonts if any |
| 131 | void ClearGdkFonts(); |
| 132 | |
| 133 | // the map of font sizes to "GdkFont *" |
| 134 | wxScaledFontList m_scaled_xfonts; |
| 135 | |
| 136 | int m_pointSize; |
| 137 | int m_family, |
| 138 | m_style, |
| 139 | m_weight; |
| 140 | bool m_underlined; |
| 141 | wxString m_faceName; |
| 142 | wxFontEncoding m_encoding; // Unused under GTK 2.0 |
| 143 | bool m_noAA; // No anti-aliasing |
| 144 | |
| 145 | // The native font info, basicly an XFLD under GTK 1.2 and |
| 146 | // the pango font description under GTK 2.0. |
| 147 | wxNativeFontInfo m_nativeFontInfo; |
| 148 | |
| 149 | friend class wxFont; |
| 150 | }; |
| 151 | |
| 152 | // ---------------------------------------------------------------------------- |
| 153 | // wxFontRefData |
| 154 | // ---------------------------------------------------------------------------- |
| 155 | |
| 156 | void wxFontRefData::Init(int pointSize, |
| 157 | int family, |
| 158 | int style, |
| 159 | int weight, |
| 160 | bool underlined, |
| 161 | const wxString& faceName, |
| 162 | wxFontEncoding encoding) |
| 163 | { |
| 164 | m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family; |
| 165 | |
| 166 | m_faceName = faceName; |
| 167 | |
| 168 | // we accept both wxDEFAULT and wxNORMAL here - should we? |
| 169 | m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style; |
| 170 | m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight; |
| 171 | |
| 172 | // and here, do we really want to forbid creation of the font of the size |
| 173 | // 90 (the value of wxDEFAULT)?? |
| 174 | m_pointSize = pointSize == wxDEFAULT || pointSize == -1 |
| 175 | ? wxDEFAULT_FONT_SIZE |
| 176 | : pointSize; |
| 177 | |
| 178 | m_underlined = underlined; |
| 179 | m_encoding = encoding; |
| 180 | |
| 181 | m_noAA = FALSE; |
| 182 | } |
| 183 | |
| 184 | void wxFontRefData::InitFromNative() |
| 185 | { |
| 186 | m_noAA = FALSE; |
| 187 | |
| 188 | // get the font parameters from the XLFD |
| 189 | // ------------------------------------- |
| 190 | |
| 191 | m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY); |
| 192 | |
| 193 | m_weight = wxFONTWEIGHT_NORMAL; |
| 194 | |
| 195 | wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper(); |
| 196 | if ( !w.empty() && w != _T('*') ) |
| 197 | { |
| 198 | // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD |
| 199 | // and BLACK |
| 200 | if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) || |
| 201 | !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) || |
| 202 | wxStrstr(w.c_str() + 1, _T("BOLD")) ) |
| 203 | { |
| 204 | m_weight = wxFONTWEIGHT_BOLD; |
| 205 | } |
| 206 | else if ( w == _T("LIGHT") || w == _T("THIN") ) |
| 207 | { |
| 208 | m_weight = wxFONTWEIGHT_LIGHT; |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | switch ( wxToupper(*m_nativeFontInfo. |
| 213 | GetXFontComponent(wxXLFD_SLANT).c_str()) ) |
| 214 | { |
| 215 | case _T('I'): // italique |
| 216 | m_style = wxFONTSTYLE_ITALIC; |
| 217 | break; |
| 218 | |
| 219 | case _T('O'): // oblique |
| 220 | m_style = wxFONTSTYLE_SLANT; |
| 221 | break; |
| 222 | |
| 223 | default: |
| 224 | m_style = wxFONTSTYLE_NORMAL; |
| 225 | } |
| 226 | |
| 227 | long ptSize; |
| 228 | if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) ) |
| 229 | { |
| 230 | // size in XLFD is in 10 point units |
| 231 | m_pointSize = (int)(ptSize / 10); |
| 232 | } |
| 233 | else |
| 234 | { |
| 235 | m_pointSize = wxDEFAULT_FONT_SIZE; |
| 236 | } |
| 237 | |
| 238 | // examine the spacing: if the font is monospaced, assume wxTELETYPE |
| 239 | // family for compatibility with the old code which used it instead of |
| 240 | // IsFixedWidth() |
| 241 | if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') ) |
| 242 | { |
| 243 | m_family = wxFONTFAMILY_TELETYPE; |
| 244 | } |
| 245 | else // not monospaceed |
| 246 | { |
| 247 | // don't even try guessing it, it doesn't work for too many fonts |
| 248 | // anyhow |
| 249 | m_family = wxFONTFAMILY_UNKNOWN; |
| 250 | } |
| 251 | |
| 252 | // X fonts are never underlined... |
| 253 | m_underlined = FALSE; |
| 254 | |
| 255 | // deal with font encoding |
| 256 | wxString |
| 257 | registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(), |
| 258 | encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper(); |
| 259 | |
| 260 | if ( registry == _T("ISO8859") ) |
| 261 | { |
| 262 | int cp; |
| 263 | if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 ) |
| 264 | { |
| 265 | m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1); |
| 266 | } |
| 267 | } |
| 268 | else if ( registry == _T("MICROSOFT") ) |
| 269 | { |
| 270 | int cp; |
| 271 | if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 ) |
| 272 | { |
| 273 | m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp); |
| 274 | } |
| 275 | } |
| 276 | else if ( registry == _T("KOI8") ) |
| 277 | { |
| 278 | m_encoding = wxFONTENCODING_KOI8; |
| 279 | } |
| 280 | else // unknown encoding |
| 281 | { |
| 282 | // may be give a warning here? or use wxFontMapper? |
| 283 | m_encoding = wxFONTENCODING_SYSTEM; |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | wxFontRefData::wxFontRefData( const wxFontRefData& data ) |
| 288 | : wxObjectRefData() |
| 289 | { |
| 290 | m_pointSize = data.m_pointSize; |
| 291 | m_family = data.m_family; |
| 292 | m_style = data.m_style; |
| 293 | m_weight = data.m_weight; |
| 294 | |
| 295 | m_underlined = data.m_underlined; |
| 296 | |
| 297 | m_faceName = data.m_faceName; |
| 298 | m_encoding = data.m_encoding; |
| 299 | |
| 300 | m_noAA = data.m_noAA; |
| 301 | |
| 302 | // Forces a copy of the internal data. wxNativeFontInfo should probably |
| 303 | // have a copy ctor and assignment operator to fix this properly but that |
| 304 | // would break binary compatibility... |
| 305 | m_nativeFontInfo.FromString(data.m_nativeFontInfo.ToString()); |
| 306 | } |
| 307 | |
| 308 | wxFontRefData::wxFontRefData(int size, int family, int style, |
| 309 | int weight, bool underlined, |
| 310 | const wxString& faceName, |
| 311 | wxFontEncoding encoding) |
| 312 | { |
| 313 | Init(size, family, style, weight, underlined, faceName, encoding); |
| 314 | } |
| 315 | |
| 316 | wxFontRefData::wxFontRefData(const wxString& fontname) |
| 317 | { |
| 318 | // FromString() should really work in GTK1 too, doesn't it? |
| 319 | m_nativeFontInfo.SetXFontName(fontname); |
| 320 | |
| 321 | InitFromNative(); |
| 322 | } |
| 323 | |
| 324 | void wxFontRefData::ClearGdkFonts() |
| 325 | { |
| 326 | for ( wxScaledFontList::iterator i = m_scaled_xfonts.begin(); |
| 327 | i != m_scaled_xfonts.end(); |
| 328 | ++i ) |
| 329 | { |
| 330 | GdkFont *font = i->second; |
| 331 | gdk_font_unref( font ); |
| 332 | } |
| 333 | |
| 334 | m_scaled_xfonts.clear(); |
| 335 | } |
| 336 | |
| 337 | wxFontRefData::~wxFontRefData() |
| 338 | { |
| 339 | ClearGdkFonts(); |
| 340 | } |
| 341 | |
| 342 | // ---------------------------------------------------------------------------- |
| 343 | // wxFontRefData SetXXX() |
| 344 | // ---------------------------------------------------------------------------- |
| 345 | |
| 346 | void wxFontRefData::SetPointSize(int pointSize) |
| 347 | { |
| 348 | m_pointSize = pointSize; |
| 349 | |
| 350 | if ( HasNativeFont() ) |
| 351 | { |
| 352 | wxString size; |
| 353 | if ( pointSize == -1 ) |
| 354 | size = _T('*'); |
| 355 | else |
| 356 | size.Printf(_T("%d"), 10*pointSize); |
| 357 | |
| 358 | m_nativeFontInfo.SetXFontComponent(wxXLFD_POINTSIZE, size); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | void wxFontRefData::SetFamily(int family) |
| 363 | { |
| 364 | m_family = family; |
| 365 | |
| 366 | // TODO: what are we supposed to do with m_nativeFontInfo here? |
| 367 | } |
| 368 | |
| 369 | void wxFontRefData::SetStyle(int style) |
| 370 | { |
| 371 | m_style = style; |
| 372 | |
| 373 | if ( HasNativeFont() ) |
| 374 | { |
| 375 | wxString slant; |
| 376 | switch ( style ) |
| 377 | { |
| 378 | case wxFONTSTYLE_ITALIC: |
| 379 | slant = _T('i'); |
| 380 | break; |
| 381 | |
| 382 | case wxFONTSTYLE_SLANT: |
| 383 | slant = _T('o'); |
| 384 | break; |
| 385 | |
| 386 | default: |
| 387 | wxFAIL_MSG( _T("unknown font style") ); |
| 388 | // fall through |
| 389 | |
| 390 | case wxFONTSTYLE_NORMAL: |
| 391 | slant = _T('r'); |
| 392 | } |
| 393 | |
| 394 | m_nativeFontInfo.SetXFontComponent(wxXLFD_SLANT, slant); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | void wxFontRefData::SetWeight(int weight) |
| 399 | { |
| 400 | m_weight = weight; |
| 401 | |
| 402 | if ( HasNativeFont() ) |
| 403 | { |
| 404 | wxString boldness; |
| 405 | switch ( weight ) |
| 406 | { |
| 407 | case wxFONTWEIGHT_BOLD: |
| 408 | boldness = _T("bold"); |
| 409 | break; |
| 410 | |
| 411 | case wxFONTWEIGHT_LIGHT: |
| 412 | boldness = _T("light"); |
| 413 | break; |
| 414 | |
| 415 | default: |
| 416 | wxFAIL_MSG( _T("unknown font weight") ); |
| 417 | // fall through |
| 418 | |
| 419 | case wxFONTWEIGHT_NORMAL: |
| 420 | // unspecified |
| 421 | boldness = _T("medium"); |
| 422 | } |
| 423 | |
| 424 | m_nativeFontInfo.SetXFontComponent(wxXLFD_WEIGHT, boldness); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | void wxFontRefData::SetUnderlined(bool underlined) |
| 429 | { |
| 430 | m_underlined = underlined; |
| 431 | |
| 432 | // the XLFD doesn't have "underlined" field anyhow |
| 433 | } |
| 434 | |
| 435 | void wxFontRefData::SetFaceName(const wxString& facename) |
| 436 | { |
| 437 | m_faceName = facename; |
| 438 | |
| 439 | if ( HasNativeFont() ) |
| 440 | { |
| 441 | m_nativeFontInfo.SetXFontComponent(wxXLFD_FAMILY, facename); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | void wxFontRefData::SetEncoding(wxFontEncoding encoding) |
| 446 | { |
| 447 | m_encoding = encoding; |
| 448 | |
| 449 | if ( HasNativeFont() ) |
| 450 | { |
| 451 | wxNativeEncodingInfo info; |
| 452 | if ( wxGetNativeFontEncoding(encoding, &info) ) |
| 453 | { |
| 454 | m_nativeFontInfo.SetXFontComponent(wxXLFD_REGISTRY, info.xregistry); |
| 455 | m_nativeFontInfo.SetXFontComponent(wxXLFD_ENCODING, info.xencoding); |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info) |
| 461 | { |
| 462 | // previously cached fonts shouldn't be used |
| 463 | ClearGdkFonts(); |
| 464 | |
| 465 | m_nativeFontInfo = info; |
| 466 | |
| 467 | // set all the other font parameters from the native font info |
| 468 | InitFromNative(); |
| 469 | } |
| 470 | |
| 471 | // ---------------------------------------------------------------------------- |
| 472 | // wxFont creation |
| 473 | // ---------------------------------------------------------------------------- |
| 474 | |
| 475 | IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject) |
| 476 | |
| 477 | wxFont::wxFont(const wxNativeFontInfo& info) |
| 478 | { |
| 479 | (void) Create(info.GetXFontName()); |
| 480 | } |
| 481 | |
| 482 | bool wxFont::Create( int pointSize, |
| 483 | int family, |
| 484 | int style, |
| 485 | int weight, |
| 486 | bool underlined, |
| 487 | const wxString& face, |
| 488 | wxFontEncoding encoding) |
| 489 | { |
| 490 | UnRef(); |
| 491 | |
| 492 | m_refData = new wxFontRefData(pointSize, family, style, weight, |
| 493 | underlined, face, encoding); |
| 494 | |
| 495 | return TRUE; |
| 496 | } |
| 497 | |
| 498 | bool wxFont::Create(const wxString& fontname) |
| 499 | { |
| 500 | // VZ: does this really happen? |
| 501 | if ( fontname.empty() ) |
| 502 | { |
| 503 | *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); |
| 504 | |
| 505 | return TRUE; |
| 506 | } |
| 507 | |
| 508 | m_refData = new wxFontRefData(fontname); |
| 509 | |
| 510 | return TRUE; |
| 511 | } |
| 512 | |
| 513 | void wxFont::Unshare() |
| 514 | { |
| 515 | if (!m_refData) |
| 516 | { |
| 517 | m_refData = new wxFontRefData(); |
| 518 | } |
| 519 | else |
| 520 | { |
| 521 | wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData); |
| 522 | UnRef(); |
| 523 | m_refData = ref; |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | wxFont::~wxFont() |
| 528 | { |
| 529 | } |
| 530 | |
| 531 | // ---------------------------------------------------------------------------- |
| 532 | // accessors |
| 533 | // ---------------------------------------------------------------------------- |
| 534 | |
| 535 | int wxFont::GetPointSize() const |
| 536 | { |
| 537 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); |
| 538 | |
| 539 | #if wxUSE_PANGO |
| 540 | return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize() |
| 541 | : M_FONTDATA->m_pointSize; |
| 542 | #else |
| 543 | return M_FONTDATA->m_pointSize; |
| 544 | #endif |
| 545 | } |
| 546 | |
| 547 | wxString wxFont::GetFaceName() const |
| 548 | { |
| 549 | wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") ); |
| 550 | |
| 551 | #if wxUSE_PANGO |
| 552 | return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName() |
| 553 | : M_FONTDATA->m_faceName; |
| 554 | #else |
| 555 | return M_FONTDATA->m_faceName; |
| 556 | #endif |
| 557 | } |
| 558 | |
| 559 | int wxFont::GetFamily() const |
| 560 | { |
| 561 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); |
| 562 | |
| 563 | #if wxUSE_PANGO |
| 564 | int ret = M_FONTDATA->m_family; |
| 565 | if (M_FONTDATA->HasNativeFont()) |
| 566 | // wxNativeFontInfo::GetFamily is expensive, must not call more than once |
| 567 | ret = M_FONTDATA->m_nativeFontInfo.GetFamily(); |
| 568 | |
| 569 | if (ret == wxFONTFAMILY_DEFAULT) |
| 570 | ret = M_FONTDATA->m_family; |
| 571 | |
| 572 | return ret; |
| 573 | #else |
| 574 | return M_FONTDATA->m_family; |
| 575 | #endif |
| 576 | } |
| 577 | |
| 578 | int wxFont::GetStyle() const |
| 579 | { |
| 580 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); |
| 581 | |
| 582 | #if wxUSE_PANGO |
| 583 | return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle() |
| 584 | : M_FONTDATA->m_style; |
| 585 | #else |
| 586 | return M_FONTDATA->m_style; |
| 587 | #endif |
| 588 | } |
| 589 | |
| 590 | int wxFont::GetWeight() const |
| 591 | { |
| 592 | wxCHECK_MSG( Ok(), 0, wxT("invalid font") ); |
| 593 | |
| 594 | #if wxUSE_PANGO |
| 595 | return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight() |
| 596 | : M_FONTDATA->m_weight; |
| 597 | #else |
| 598 | return M_FONTDATA->m_weight; |
| 599 | #endif |
| 600 | } |
| 601 | |
| 602 | bool wxFont::GetUnderlined() const |
| 603 | { |
| 604 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); |
| 605 | |
| 606 | return M_FONTDATA->m_underlined; |
| 607 | } |
| 608 | |
| 609 | wxFontEncoding wxFont::GetEncoding() const |
| 610 | { |
| 611 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); |
| 612 | |
| 613 | // m_encoding is unused in wxGTK2, return encoding that the user set. |
| 614 | return M_FONTDATA->m_encoding; |
| 615 | } |
| 616 | |
| 617 | bool wxFont::GetNoAntiAliasing() const |
| 618 | { |
| 619 | wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") ); |
| 620 | |
| 621 | return M_FONTDATA->m_noAA; |
| 622 | } |
| 623 | |
| 624 | const wxNativeFontInfo *wxFont::GetNativeFontInfo() const |
| 625 | { |
| 626 | wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") ); |
| 627 | |
| 628 | if ( !M_FONTDATA->HasNativeFont() ) |
| 629 | { |
| 630 | // NB: this call has important side-effect: it not only finds |
| 631 | // GdkFont representation, it also initializes m_nativeFontInfo |
| 632 | // by calling its SetXFontName method |
| 633 | GetInternalFont(); |
| 634 | } |
| 635 | |
| 636 | return &(M_FONTDATA->m_nativeFontInfo); |
| 637 | } |
| 638 | |
| 639 | bool wxFont::IsFixedWidth() const |
| 640 | { |
| 641 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") ); |
| 642 | |
| 643 | if ( M_FONTDATA->HasNativeFont() ) |
| 644 | { |
| 645 | // the monospace fonts are supposed to have "M" in the spacing field |
| 646 | wxString spacing = M_FONTDATA-> |
| 647 | m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING); |
| 648 | |
| 649 | return spacing.Upper() == _T('M'); |
| 650 | } |
| 651 | |
| 652 | return wxFontBase::IsFixedWidth(); |
| 653 | } |
| 654 | |
| 655 | // ---------------------------------------------------------------------------- |
| 656 | // change font attributes |
| 657 | // ---------------------------------------------------------------------------- |
| 658 | |
| 659 | void wxFont::SetPointSize(int pointSize) |
| 660 | { |
| 661 | Unshare(); |
| 662 | |
| 663 | M_FONTDATA->SetPointSize(pointSize); |
| 664 | } |
| 665 | |
| 666 | void wxFont::SetFamily(int family) |
| 667 | { |
| 668 | Unshare(); |
| 669 | |
| 670 | M_FONTDATA->SetFamily(family); |
| 671 | } |
| 672 | |
| 673 | void wxFont::SetStyle(int style) |
| 674 | { |
| 675 | Unshare(); |
| 676 | |
| 677 | M_FONTDATA->SetStyle(style); |
| 678 | } |
| 679 | |
| 680 | void wxFont::SetWeight(int weight) |
| 681 | { |
| 682 | Unshare(); |
| 683 | |
| 684 | M_FONTDATA->SetWeight(weight); |
| 685 | } |
| 686 | |
| 687 | void wxFont::SetFaceName(const wxString& faceName) |
| 688 | { |
| 689 | Unshare(); |
| 690 | |
| 691 | M_FONTDATA->SetFaceName(faceName); |
| 692 | } |
| 693 | |
| 694 | void wxFont::SetUnderlined(bool underlined) |
| 695 | { |
| 696 | Unshare(); |
| 697 | |
| 698 | M_FONTDATA->SetUnderlined(underlined); |
| 699 | } |
| 700 | |
| 701 | void wxFont::SetEncoding(wxFontEncoding encoding) |
| 702 | { |
| 703 | Unshare(); |
| 704 | |
| 705 | M_FONTDATA->SetEncoding(encoding); |
| 706 | } |
| 707 | |
| 708 | void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info ) |
| 709 | { |
| 710 | Unshare(); |
| 711 | |
| 712 | M_FONTDATA->SetNativeFontInfo( info ); |
| 713 | } |
| 714 | |
| 715 | void wxFont::SetNoAntiAliasing( bool no ) |
| 716 | { |
| 717 | Unshare(); |
| 718 | |
| 719 | M_FONTDATA->SetNoAntiAliasing( no ); |
| 720 | } |
| 721 | |
| 722 | // ---------------------------------------------------------------------------- |
| 723 | // get internal representation of font |
| 724 | // ---------------------------------------------------------------------------- |
| 725 | |
| 726 | static GdkFont *g_systemDefaultGuiFont = (GdkFont*) NULL; |
| 727 | |
| 728 | // this is also used from tbargtk.cpp and tooltip.cpp, hence extern |
| 729 | extern GdkFont *GtkGetDefaultGuiFont() |
| 730 | { |
| 731 | if (!g_systemDefaultGuiFont) |
| 732 | { |
| 733 | GtkWidget *widget = gtk_button_new(); |
| 734 | GtkStyle *def = gtk_rc_get_style( widget ); |
| 735 | if (def) |
| 736 | { |
| 737 | g_systemDefaultGuiFont = gdk_font_ref( def->font ); |
| 738 | } |
| 739 | else |
| 740 | { |
| 741 | def = gtk_widget_get_default_style(); |
| 742 | if (def) |
| 743 | g_systemDefaultGuiFont = gdk_font_ref( def->font ); |
| 744 | } |
| 745 | gtk_widget_destroy( widget ); |
| 746 | } |
| 747 | else |
| 748 | { |
| 749 | // already have it, but ref it once more before returning |
| 750 | gdk_font_ref(g_systemDefaultGuiFont); |
| 751 | } |
| 752 | |
| 753 | return g_systemDefaultGuiFont; |
| 754 | } |
| 755 | |
| 756 | GdkFont *wxFont::GetInternalFont( float scale ) const |
| 757 | { |
| 758 | GdkFont *font = (GdkFont *) NULL; |
| 759 | |
| 760 | wxCHECK_MSG( Ok(), font, wxT("invalid font") ); |
| 761 | |
| 762 | long int_scale = long(scale * 100.0 + 0.5); // key for fontlist |
| 763 | int point_scale = (int)((M_FONTDATA->m_pointSize * 10 * int_scale) / 100); |
| 764 | |
| 765 | wxScaledFontList& list = M_FONTDATA->m_scaled_xfonts; |
| 766 | wxScaledFontList::iterator i = list.find(int_scale); |
| 767 | if ( i != list.end() ) |
| 768 | { |
| 769 | font = i->second; |
| 770 | } |
| 771 | else // we don't have this font in this size yet |
| 772 | { |
| 773 | if (*this == wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT)) |
| 774 | { |
| 775 | font = GtkGetDefaultGuiFont(); |
| 776 | } |
| 777 | |
| 778 | if ( !font ) |
| 779 | { |
| 780 | // do we have the XLFD? |
| 781 | if ( int_scale == 100 && M_FONTDATA->HasNativeFont() ) |
| 782 | { |
| 783 | font = wxLoadFont(M_FONTDATA->m_nativeFontInfo.GetXFontName()); |
| 784 | } |
| 785 | |
| 786 | // no XLFD of no exact match - try the approximate one now |
| 787 | if ( !font ) |
| 788 | { |
| 789 | wxString xfontname; |
| 790 | font = wxLoadQueryNearestFont( point_scale, |
| 791 | M_FONTDATA->m_family, |
| 792 | M_FONTDATA->m_style, |
| 793 | M_FONTDATA->m_weight, |
| 794 | M_FONTDATA->m_underlined, |
| 795 | M_FONTDATA->m_faceName, |
| 796 | M_FONTDATA->m_encoding, |
| 797 | &xfontname); |
| 798 | // NB: wxFont::GetNativeFontInfo relies on this |
| 799 | // side-effect of GetInternalFont |
| 800 | if ( int_scale == 100 ) |
| 801 | M_FONTDATA->m_nativeFontInfo.SetXFontName(xfontname); |
| 802 | } |
| 803 | } |
| 804 | |
| 805 | if ( font ) |
| 806 | { |
| 807 | list[int_scale] = font; |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | // it's quite useless to make it a wxCHECK because we're going to crash |
| 812 | // anyhow... |
| 813 | wxASSERT_MSG( font, wxT("could not load any font?") ); |
| 814 | |
| 815 | return font; |
| 816 | } |