| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/unix/fontutil.cpp |
| 3 | // Purpose: Font helper functions for wxX11, wxGTK, wxMotif |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 05.11.99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Vadim Zeitlin |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // For compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/fontutil.h" |
| 28 | |
| 29 | #ifndef WX_PRECOMP |
| 30 | #include "wx/app.h" |
| 31 | #include "wx/font.h" // wxFont enums |
| 32 | #include "wx/encinfo.h" |
| 33 | #include "wx/hash.h" |
| 34 | #include "wx/utils.h" // for wxGetDisplay() |
| 35 | #include "wx/module.h" |
| 36 | #endif // PCH |
| 37 | |
| 38 | #include "wx/fontmap.h" |
| 39 | #include "wx/tokenzr.h" |
| 40 | #include "wx/fontenum.h" |
| 41 | |
| 42 | #if wxUSE_PANGO |
| 43 | |
| 44 | #include "pango/pango.h" |
| 45 | |
| 46 | #ifdef __WXGTK20__ |
| 47 | #include "wx/gtk/private.h" |
| 48 | extern GtkWidget *wxGetRootWindow(); |
| 49 | |
| 50 | #define wxPANGO_CONV wxGTK_CONV_SYS |
| 51 | #define wxPANGO_CONV_BACK wxGTK_CONV_BACK_SYS |
| 52 | #else |
| 53 | #include "wx/x11/private.h" |
| 54 | #include "wx/gtk/private/string.h" |
| 55 | |
| 56 | #define wxPANGO_CONV(s) (wxConvUTF8.cWX2MB((s))) |
| 57 | #define wxPANGO_CONV_BACK(s) (wxConvUTF8.cMB2WX((s))) |
| 58 | #endif |
| 59 | |
| 60 | // ---------------------------------------------------------------------------- |
| 61 | // wxNativeFontInfo |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | |
| 64 | void wxNativeFontInfo::Init() |
| 65 | { |
| 66 | description = NULL; |
| 67 | } |
| 68 | |
| 69 | void wxNativeFontInfo::Init(const wxNativeFontInfo& info) |
| 70 | { |
| 71 | if (info.description) |
| 72 | description = pango_font_description_copy(info.description); |
| 73 | else |
| 74 | description = NULL; |
| 75 | } |
| 76 | |
| 77 | void wxNativeFontInfo::Free() |
| 78 | { |
| 79 | if (description) |
| 80 | pango_font_description_free(description); |
| 81 | } |
| 82 | |
| 83 | int wxNativeFontInfo::GetPointSize() const |
| 84 | { |
| 85 | return pango_font_description_get_size( description ) / PANGO_SCALE; |
| 86 | } |
| 87 | |
| 88 | wxFontStyle wxNativeFontInfo::GetStyle() const |
| 89 | { |
| 90 | wxFontStyle m_style = wxFONTSTYLE_NORMAL; |
| 91 | |
| 92 | switch (pango_font_description_get_style( description )) |
| 93 | { |
| 94 | case PANGO_STYLE_NORMAL: |
| 95 | m_style = wxFONTSTYLE_NORMAL; |
| 96 | break; |
| 97 | case PANGO_STYLE_ITALIC: |
| 98 | m_style = wxFONTSTYLE_ITALIC; |
| 99 | break; |
| 100 | case PANGO_STYLE_OBLIQUE: |
| 101 | m_style = wxFONTSTYLE_SLANT; |
| 102 | break; |
| 103 | } |
| 104 | |
| 105 | return m_style; |
| 106 | } |
| 107 | |
| 108 | wxFontWeight wxNativeFontInfo::GetWeight() const |
| 109 | { |
| 110 | // We seem to currently initialize only by string. |
| 111 | // In that case PANGO_FONT_MASK_WEIGHT is always set. |
| 112 | // if (!(pango_font_description_get_set_fields(description) & PANGO_FONT_MASK_WEIGHT)) |
| 113 | // return wxFONTWEIGHT_NORMAL; |
| 114 | |
| 115 | PangoWeight pango_weight = pango_font_description_get_weight( description ); |
| 116 | |
| 117 | // Until the API can be changed the following ranges of weight values are used: |
| 118 | // wxFONTWEIGHT_LIGHT: 100 .. 349 - range of 250 |
| 119 | // wxFONTWEIGHT_NORMAL: 350 .. 599 - range of 250 |
| 120 | // wxFONTWEIGHT_BOLD: 600 .. 900 - range of 301 (600 is "semibold" already) |
| 121 | |
| 122 | if (pango_weight >= 600) |
| 123 | return wxFONTWEIGHT_BOLD; |
| 124 | |
| 125 | if (pango_weight < 350) |
| 126 | return wxFONTWEIGHT_LIGHT; |
| 127 | |
| 128 | return wxFONTWEIGHT_NORMAL; |
| 129 | } |
| 130 | |
| 131 | bool wxNativeFontInfo::GetUnderlined() const |
| 132 | { |
| 133 | return false; |
| 134 | } |
| 135 | |
| 136 | wxString wxNativeFontInfo::GetFaceName() const |
| 137 | { |
| 138 | // the Pango "family" is the wx "face name" |
| 139 | return wxPANGO_CONV_BACK(pango_font_description_get_family(description)); |
| 140 | } |
| 141 | |
| 142 | wxFontFamily wxNativeFontInfo::GetFamily() const |
| 143 | { |
| 144 | wxFontFamily ret = wxFONTFAMILY_UNKNOWN; |
| 145 | |
| 146 | const char *family_name = pango_font_description_get_family( description ); |
| 147 | |
| 148 | // note: not passing -1 as the 2nd parameter to g_ascii_strdown to work |
| 149 | // around a bug in the 64-bit glib shipped with solaris 10, -1 causes it |
| 150 | // to try to allocate 2^32 bytes. |
| 151 | if ( !family_name ) |
| 152 | return ret; |
| 153 | wxGtkString family_text(g_ascii_strdown(family_name, strlen(family_name))); |
| 154 | |
| 155 | // Check for some common fonts, to salvage what we can from the current |
| 156 | // win32 centric wxFont API: |
| 157 | if (strncasecmp( family_text, "monospace", 9 ) == 0) |
| 158 | ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace" |
| 159 | else if (strncasecmp( family_text, "courier", 7 ) == 0) |
| 160 | ret = wxFONTFAMILY_TELETYPE; // begins with "Courier" |
| 161 | #if defined(__WXGTK20__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE) |
| 162 | else |
| 163 | #ifdef __WXGTK20__ |
| 164 | if (!gtk_check_version(2,4,0)) |
| 165 | #endif |
| 166 | { |
| 167 | PangoFontFamily **families; |
| 168 | PangoFontFamily *family = NULL; |
| 169 | int n_families; |
| 170 | pango_context_list_families( |
| 171 | #ifdef __WXGTK20__ |
| 172 | gtk_widget_get_pango_context( wxGetRootWindow() ), |
| 173 | #else |
| 174 | wxTheApp->GetPangoContext(), |
| 175 | #endif |
| 176 | &families, &n_families); |
| 177 | |
| 178 | for (int i = 0; i < n_families; ++i) |
| 179 | { |
| 180 | if (g_ascii_strcasecmp(pango_font_family_get_name( families[i] ), |
| 181 | pango_font_description_get_family( description )) == 0 ) |
| 182 | { |
| 183 | family = families[i]; |
| 184 | break; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | g_free(families); |
| 189 | |
| 190 | // Some gtk+ systems might query for a non-existing font from |
| 191 | // wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) on initialization, |
| 192 | // don't assert until wxSystemSettings::GetFont is checked for this - MR |
| 193 | // wxASSERT_MSG( family, "No appropriate PangoFontFamily found for ::description" ); |
| 194 | |
| 195 | if (family != NULL && pango_font_family_is_monospace( family )) |
| 196 | ret = wxFONTFAMILY_TELETYPE; // is deemed a monospace font by pango |
| 197 | } |
| 198 | #endif // GTK+ 2 || HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE |
| 199 | |
| 200 | if (ret == wxFONTFAMILY_UNKNOWN) |
| 201 | { |
| 202 | if (strstr( family_text, "sans" ) != NULL || strstr( family_text, "Sans" ) != NULL) |
| 203 | // checked before serif, so that "* Sans Serif" fonts are detected correctly |
| 204 | ret = wxFONTFAMILY_SWISS; // contains "Sans" |
| 205 | else if (strstr( family_text, "serif" ) != NULL || strstr( family_text, "Serif" ) != NULL) |
| 206 | ret = wxFONTFAMILY_ROMAN; // contains "Serif" |
| 207 | else if (strncasecmp( family_text, "times", 5 ) == 0) |
| 208 | ret = wxFONTFAMILY_ROMAN; // begins with "Times" |
| 209 | else if (strncasecmp( family_text, "old", 3 ) == 0) |
| 210 | ret = wxFONTFAMILY_DECORATIVE; // begins with "Old" - "Old English", "Old Town" |
| 211 | } |
| 212 | |
| 213 | return ret; |
| 214 | } |
| 215 | |
| 216 | wxFontEncoding wxNativeFontInfo::GetEncoding() const |
| 217 | { |
| 218 | return wxFONTENCODING_SYSTEM; |
| 219 | } |
| 220 | |
| 221 | void wxNativeFontInfo::SetPointSize(int pointsize) |
| 222 | { |
| 223 | pango_font_description_set_size( description, pointsize * PANGO_SCALE ); |
| 224 | } |
| 225 | |
| 226 | void wxNativeFontInfo::SetStyle(wxFontStyle style) |
| 227 | { |
| 228 | switch (style) |
| 229 | { |
| 230 | case wxFONTSTYLE_ITALIC: |
| 231 | pango_font_description_set_style( description, PANGO_STYLE_ITALIC ); |
| 232 | break; |
| 233 | case wxFONTSTYLE_SLANT: |
| 234 | pango_font_description_set_style( description, PANGO_STYLE_OBLIQUE ); |
| 235 | break; |
| 236 | default: |
| 237 | wxFAIL_MSG( "unknown font style" ); |
| 238 | // fall through |
| 239 | case wxFONTSTYLE_NORMAL: |
| 240 | pango_font_description_set_style( description, PANGO_STYLE_NORMAL ); |
| 241 | break; |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | void wxNativeFontInfo::SetWeight(wxFontWeight weight) |
| 246 | { |
| 247 | switch (weight) |
| 248 | { |
| 249 | case wxFONTWEIGHT_BOLD: |
| 250 | pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD); |
| 251 | break; |
| 252 | case wxFONTWEIGHT_LIGHT: |
| 253 | pango_font_description_set_weight(description, PANGO_WEIGHT_LIGHT); |
| 254 | break; |
| 255 | default: |
| 256 | wxFAIL_MSG( "unknown font weight" ); |
| 257 | // fall through |
| 258 | case wxFONTWEIGHT_NORMAL: |
| 259 | pango_font_description_set_weight(description, PANGO_WEIGHT_NORMAL); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined)) |
| 264 | { |
| 265 | // wxWindowDCImpl::DoDrawText will take care of rendering font with |
| 266 | // the underline attribute! |
| 267 | wxFAIL_MSG( "not implemented" ); |
| 268 | } |
| 269 | |
| 270 | bool wxNativeFontInfo::SetFaceName(const wxString& facename) |
| 271 | { |
| 272 | pango_font_description_set_family(description, wxPANGO_CONV(facename)); |
| 273 | |
| 274 | // we return true because Pango doesn't tell us if the call failed or not; |
| 275 | // instead on wxGTK wxFont::SetFaceName() will call wxFontBase::SetFaceName() |
| 276 | // which does the check |
| 277 | return true; |
| 278 | } |
| 279 | |
| 280 | void wxNativeFontInfo::SetFamily(wxFontFamily family) |
| 281 | { |
| 282 | wxArrayString facename; |
| 283 | |
| 284 | // the list of fonts associated with a family was partially |
| 285 | // taken from http://www.codestyle.org/css/font-family |
| 286 | |
| 287 | switch ( family ) |
| 288 | { |
| 289 | case wxFONTFAMILY_SCRIPT: |
| 290 | // corresponds to the cursive font family in the page linked above |
| 291 | facename.Add(wxS("URW Chancery L")); |
| 292 | facename.Add(wxS("Comic Sans MS")); |
| 293 | break; |
| 294 | |
| 295 | case wxFONTFAMILY_DECORATIVE: |
| 296 | // corresponds to the fantasy font family in the page linked above |
| 297 | facename.Add(wxS("Impact")); |
| 298 | break; |
| 299 | |
| 300 | case wxFONTFAMILY_ROMAN: |
| 301 | // corresponds to the serif font family in the page linked above |
| 302 | facename.Add(wxS("Century Schoolbook L")); |
| 303 | facename.Add(wxS("URW Bookman L")); |
| 304 | facename.Add(wxS("URW Palladio L")); |
| 305 | facename.Add(wxS("DejaVu Serif")); |
| 306 | facename.Add(wxS("FreeSerif")); |
| 307 | facename.Add(wxS("Times New Roman")); |
| 308 | facename.Add(wxS("Times")); |
| 309 | break; |
| 310 | |
| 311 | case wxFONTFAMILY_TELETYPE: |
| 312 | case wxFONTFAMILY_MODERN: |
| 313 | // corresponds to the monospace font family in the page linked above |
| 314 | facename.Add(wxS("DejaVu Sans Mono")); |
| 315 | facename.Add(wxS("Nimbus Mono L")); |
| 316 | facename.Add(wxS("Bitstream Vera Sans Mono")); |
| 317 | facename.Add(wxS("Andale Mono")); |
| 318 | facename.Add(wxS("Lucida Sans Typewriter")); |
| 319 | facename.Add(wxS("FreeMono")); |
| 320 | facename.Add(wxS("Courier New")); |
| 321 | facename.Add(wxS("Courier")); |
| 322 | break; |
| 323 | |
| 324 | case wxFONTFAMILY_SWISS: |
| 325 | case wxFONTFAMILY_DEFAULT: |
| 326 | default: |
| 327 | // corresponds to the sans-serif font family in the page linked above |
| 328 | facename.Add(wxS("DejaVu Sans")); |
| 329 | facename.Add(wxS("URW Gothic L")); |
| 330 | facename.Add(wxS("Nimbus Sans L")); |
| 331 | facename.Add(wxS("Bitstream Vera Sans")); |
| 332 | facename.Add(wxS("Lucida Sans")); |
| 333 | facename.Add(wxS("Arial")); |
| 334 | facename.Add(wxS("FreeSans")); |
| 335 | break; |
| 336 | } |
| 337 | |
| 338 | SetFaceName(facename); |
| 339 | } |
| 340 | |
| 341 | void wxNativeFontInfo::SetEncoding(wxFontEncoding WXUNUSED(encoding)) |
| 342 | { |
| 343 | wxFAIL_MSG( "not implemented: Pango encoding is always UTF8" ); |
| 344 | } |
| 345 | |
| 346 | bool wxNativeFontInfo::FromString(const wxString& s) |
| 347 | { |
| 348 | if (description) |
| 349 | pango_font_description_free( description ); |
| 350 | |
| 351 | // there is a bug in at least pango <= 1.13 which makes it (or its backends) |
| 352 | // segfault for very big point sizes and for negative point sizes. |
| 353 | // To workaround that bug for pango <= 1.13 |
| 354 | // (see http://bugzilla.gnome.org/show_bug.cgi?id=340229) |
| 355 | // we do the check on the size here using same (arbitrary) limits used by |
| 356 | // pango > 1.13. Note that the segfault could happen also for pointsize |
| 357 | // smaller than this limit !! |
| 358 | wxString str(s); |
| 359 | const size_t pos = str.find_last_of(wxS(" ")); |
| 360 | double size; |
| 361 | if ( pos != wxString::npos && wxString(str, pos + 1).ToDouble(&size) ) |
| 362 | { |
| 363 | wxString sizeStr; |
| 364 | if ( size < 1 ) |
| 365 | sizeStr = wxS("1"); |
| 366 | else if ( size >= 1E6 ) |
| 367 | sizeStr = wxS("1E6"); |
| 368 | |
| 369 | if ( !sizeStr.empty() ) |
| 370 | { |
| 371 | // replace the old size with the adjusted one |
| 372 | str = wxString(s, 0, pos) + sizeStr; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | description = pango_font_description_from_string(wxPANGO_CONV(str)); |
| 377 | |
| 378 | #if wxUSE_FONTENUM |
| 379 | // ensure a valid facename is selected |
| 380 | if (!wxFontEnumerator::IsValidFacename(GetFaceName())) |
| 381 | SetFaceName(wxNORMAL_FONT->GetFaceName()); |
| 382 | #endif // wxUSE_FONTENUM |
| 383 | |
| 384 | return true; |
| 385 | } |
| 386 | |
| 387 | wxString wxNativeFontInfo::ToString() const |
| 388 | { |
| 389 | wxGtkString str(pango_font_description_to_string( description )); |
| 390 | |
| 391 | return wxPANGO_CONV_BACK(str); |
| 392 | } |
| 393 | |
| 394 | bool wxNativeFontInfo::FromUserString(const wxString& s) |
| 395 | { |
| 396 | return FromString( s ); |
| 397 | } |
| 398 | |
| 399 | wxString wxNativeFontInfo::ToUserString() const |
| 400 | { |
| 401 | return ToString(); |
| 402 | } |
| 403 | |
| 404 | #else // GTK+ 1.x |
| 405 | |
| 406 | #ifdef __X__ |
| 407 | #ifdef __VMS__ |
| 408 | #pragma message disable nosimpint |
| 409 | #endif |
| 410 | |
| 411 | #include <X11/Xlib.h> |
| 412 | |
| 413 | #ifdef __VMS__ |
| 414 | #pragma message enable nosimpint |
| 415 | #endif |
| 416 | |
| 417 | #elif defined(__WXGTK__) |
| 418 | // we have to declare struct tm to avoid problems with first forward |
| 419 | // declaring it in C code (glib.h included from gdk.h does it) and then |
| 420 | // defining it when time.h is included from the headers below - this is |
| 421 | // known not to work at least with Sun CC 6.01 |
| 422 | #include <time.h> |
| 423 | |
| 424 | #include <gdk/gdk.h> |
| 425 | #endif |
| 426 | |
| 427 | |
| 428 | // ---------------------------------------------------------------------------- |
| 429 | // private data |
| 430 | // ---------------------------------------------------------------------------- |
| 431 | |
| 432 | static wxHashTable *g_fontHash = NULL; |
| 433 | |
| 434 | // ---------------------------------------------------------------------------- |
| 435 | // private functions |
| 436 | // ---------------------------------------------------------------------------- |
| 437 | |
| 438 | // define the functions to create and destroy native fonts for this toolkit |
| 439 | #ifdef __X__ |
| 440 | wxNativeFont wxLoadFont(const wxString& fontSpec) |
| 441 | { |
| 442 | return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec); |
| 443 | } |
| 444 | |
| 445 | inline void wxFreeFont(wxNativeFont font) |
| 446 | { |
| 447 | XFreeFont((Display *)wxGetDisplay(), (XFontStruct *)font); |
| 448 | } |
| 449 | #elif defined(__WXGTK__) |
| 450 | wxNativeFont wxLoadFont(const wxString& fontSpec) |
| 451 | { |
| 452 | // VZ: we should use gdk_fontset_load() instead of gdk_font_load() |
| 453 | // here to be able to display Japanese fonts correctly (at least |
| 454 | // this is what people report) but unfortunately doing it results |
| 455 | // in tons of warnings when using GTK with "normal" European |
| 456 | // languages and so we can't always do it and I don't know enough |
| 457 | // to determine when should this be done... (FIXME) |
| 458 | return gdk_font_load( wxConvertWX2MB(fontSpec) ); |
| 459 | } |
| 460 | |
| 461 | inline void wxFreeFont(wxNativeFont font) |
| 462 | { |
| 463 | gdk_font_unref(font); |
| 464 | } |
| 465 | #else |
| 466 | #error "Unknown GUI toolkit" |
| 467 | #endif |
| 468 | |
| 469 | static bool wxTestFontSpec(const wxString& fontspec); |
| 470 | |
| 471 | static wxNativeFont wxLoadQueryFont(int pointSize, |
| 472 | int family, |
| 473 | int style, |
| 474 | int weight, |
| 475 | bool underlined, |
| 476 | const wxString& facename, |
| 477 | const wxString& xregistry, |
| 478 | const wxString& xencoding, |
| 479 | wxString* xFontName); |
| 480 | |
| 481 | // ============================================================================ |
| 482 | // implementation |
| 483 | // ============================================================================ |
| 484 | |
| 485 | // ---------------------------------------------------------------------------- |
| 486 | // wxNativeEncodingInfo |
| 487 | // ---------------------------------------------------------------------------- |
| 488 | |
| 489 | // convert to/from the string representation: format is |
| 490 | // encodingid;registry;encoding[;facename] |
| 491 | bool wxNativeEncodingInfo::FromString(const wxString& s) |
| 492 | { |
| 493 | // use ";", not "-" because it may be part of encoding name |
| 494 | wxStringTokenizer tokenizer(s, wxT(";")); |
| 495 | |
| 496 | wxString encid = tokenizer.GetNextToken(); |
| 497 | long enc; |
| 498 | if ( !encid.ToLong(&enc) ) |
| 499 | return false; |
| 500 | encoding = (wxFontEncoding)enc; |
| 501 | |
| 502 | xregistry = tokenizer.GetNextToken(); |
| 503 | if ( !xregistry ) |
| 504 | return false; |
| 505 | |
| 506 | xencoding = tokenizer.GetNextToken(); |
| 507 | if ( !xencoding ) |
| 508 | return false; |
| 509 | |
| 510 | // ok even if empty |
| 511 | facename = tokenizer.GetNextToken(); |
| 512 | |
| 513 | return true; |
| 514 | } |
| 515 | |
| 516 | wxString wxNativeEncodingInfo::ToString() const |
| 517 | { |
| 518 | wxString s; |
| 519 | s << (long)encoding << wxT(';') << xregistry << wxT(';') << xencoding; |
| 520 | if ( !facename.empty() ) |
| 521 | { |
| 522 | s << wxT(';') << facename; |
| 523 | } |
| 524 | |
| 525 | return s; |
| 526 | } |
| 527 | |
| 528 | // ---------------------------------------------------------------------------- |
| 529 | // wxNativeFontInfo |
| 530 | // ---------------------------------------------------------------------------- |
| 531 | |
| 532 | void wxNativeFontInfo::Init() |
| 533 | { |
| 534 | m_isDefault = true; |
| 535 | } |
| 536 | |
| 537 | bool wxNativeFontInfo::FromString(const wxString& s) |
| 538 | { |
| 539 | wxStringTokenizer tokenizer(s, wxT(";")); |
| 540 | |
| 541 | // check the version |
| 542 | wxString token = tokenizer.GetNextToken(); |
| 543 | if ( token != wxT('0') ) |
| 544 | return false; |
| 545 | |
| 546 | xFontName = tokenizer.GetNextToken(); |
| 547 | |
| 548 | // this should be the end |
| 549 | if ( tokenizer.HasMoreTokens() ) |
| 550 | return false; |
| 551 | |
| 552 | return FromXFontName(xFontName); |
| 553 | } |
| 554 | |
| 555 | wxString wxNativeFontInfo::ToString() const |
| 556 | { |
| 557 | // 0 is the version |
| 558 | return wxString::Format(wxT("%d;%s"), 0, GetXFontName().c_str()); |
| 559 | } |
| 560 | |
| 561 | bool wxNativeFontInfo::FromUserString(const wxString& s) |
| 562 | { |
| 563 | return FromXFontName(s); |
| 564 | } |
| 565 | |
| 566 | wxString wxNativeFontInfo::ToUserString() const |
| 567 | { |
| 568 | return GetXFontName(); |
| 569 | } |
| 570 | |
| 571 | bool wxNativeFontInfo::HasElements() const |
| 572 | { |
| 573 | // we suppose that the foundry is never empty, so if it is it means that we |
| 574 | // had never parsed the XLFD |
| 575 | return !fontElements[0].empty(); |
| 576 | } |
| 577 | |
| 578 | wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const |
| 579 | { |
| 580 | wxCHECK_MSG( field < wxXLFD_MAX, wxEmptyString, wxT("invalid XLFD field") ); |
| 581 | |
| 582 | if ( !HasElements() ) |
| 583 | { |
| 584 | // const_cast |
| 585 | if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) ) |
| 586 | return wxEmptyString; |
| 587 | } |
| 588 | |
| 589 | return fontElements[field]; |
| 590 | } |
| 591 | |
| 592 | bool wxNativeFontInfo::FromXFontName(const wxString& fontname) |
| 593 | { |
| 594 | // TODO: we should be able to handle the font aliases here, but how? |
| 595 | wxStringTokenizer tokenizer(fontname, wxT("-")); |
| 596 | |
| 597 | // skip the leading, usually empty field (font name registry) |
| 598 | if ( !tokenizer.HasMoreTokens() ) |
| 599 | return false; |
| 600 | |
| 601 | (void)tokenizer.GetNextToken(); |
| 602 | |
| 603 | for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ ) |
| 604 | { |
| 605 | if ( !tokenizer.HasMoreTokens() ) |
| 606 | { |
| 607 | // not enough elements in the XLFD - or maybe an alias |
| 608 | return false; |
| 609 | } |
| 610 | |
| 611 | wxString field = tokenizer.GetNextToken(); |
| 612 | if ( !field.empty() && field != wxT('*') ) |
| 613 | { |
| 614 | // we're really initialized now |
| 615 | m_isDefault = false; |
| 616 | } |
| 617 | |
| 618 | fontElements[n] = field; |
| 619 | } |
| 620 | |
| 621 | // this should be all |
| 622 | if ( tokenizer.HasMoreTokens() ) |
| 623 | return false; |
| 624 | |
| 625 | return true; |
| 626 | } |
| 627 | |
| 628 | wxString wxNativeFontInfo::GetXFontName() const |
| 629 | { |
| 630 | if ( xFontName.empty() ) |
| 631 | { |
| 632 | for ( size_t n = 0; n < WXSIZEOF(fontElements); n++ ) |
| 633 | { |
| 634 | // replace the non specified elements with '*' except for the |
| 635 | // additional style which is usually just omitted |
| 636 | wxString elt = fontElements[n]; |
| 637 | if ( elt.empty() && n != wxXLFD_ADDSTYLE ) |
| 638 | { |
| 639 | elt = wxT('*'); |
| 640 | } |
| 641 | |
| 642 | // const_cast |
| 643 | ((wxNativeFontInfo *)this)->xFontName << wxT('-') << elt; |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | return xFontName; |
| 648 | } |
| 649 | |
| 650 | void |
| 651 | wxNativeFontInfo::SetXFontComponent(wxXLFDField field, const wxString& value) |
| 652 | { |
| 653 | wxCHECK_RET( field < wxXLFD_MAX, wxT("invalid XLFD field") ); |
| 654 | |
| 655 | // this class should be initialized with a valid font spec first and only |
| 656 | // then the fields may be modified! |
| 657 | wxASSERT_MSG( !IsDefault(), wxT("can't modify an uninitialized XLFD") ); |
| 658 | |
| 659 | if ( !HasElements() ) |
| 660 | { |
| 661 | // const_cast |
| 662 | if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) ) |
| 663 | { |
| 664 | wxFAIL_MSG( wxT("can't set font element for invalid XLFD") ); |
| 665 | |
| 666 | return; |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | fontElements[field] = value; |
| 671 | |
| 672 | // invalidate the XFLD, it doesn't correspond to the font elements any more |
| 673 | xFontName.clear(); |
| 674 | } |
| 675 | |
| 676 | void wxNativeFontInfo::SetXFontName(const wxString& xFontName_) |
| 677 | { |
| 678 | // invalidate the font elements, GetXFontComponent() will reparse the XLFD |
| 679 | fontElements[0].clear(); |
| 680 | |
| 681 | xFontName = xFontName_; |
| 682 | |
| 683 | m_isDefault = false; |
| 684 | } |
| 685 | |
| 686 | int wxNativeFontInfo::GetPointSize() const |
| 687 | { |
| 688 | const wxString s = GetXFontComponent(wxXLFD_POINTSIZE); |
| 689 | |
| 690 | // return -1 to indicate that the size is unknown |
| 691 | long l; |
| 692 | return s.ToLong(&l) ? l : -1; |
| 693 | } |
| 694 | |
| 695 | wxFontStyle wxNativeFontInfo::GetStyle() const |
| 696 | { |
| 697 | const wxString s = GetXFontComponent(wxXLFD_SLANT); |
| 698 | |
| 699 | if ( s.length() != 1 ) |
| 700 | { |
| 701 | // it is really unknown but we don't have any way to return it from |
| 702 | // here |
| 703 | return wxFONTSTYLE_NORMAL; |
| 704 | } |
| 705 | |
| 706 | switch ( s[0].GetValue() ) |
| 707 | { |
| 708 | default: |
| 709 | // again, unknown but consider normal by default |
| 710 | |
| 711 | case wxT('r'): |
| 712 | return wxFONTSTYLE_NORMAL; |
| 713 | |
| 714 | case wxT('i'): |
| 715 | return wxFONTSTYLE_ITALIC; |
| 716 | |
| 717 | case wxT('o'): |
| 718 | return wxFONTSTYLE_SLANT; |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | wxFontWeight wxNativeFontInfo::GetWeight() const |
| 723 | { |
| 724 | const wxString s = GetXFontComponent(wxXLFD_WEIGHT).MakeLower(); |
| 725 | if ( s.find(wxT("bold")) != wxString::npos || s == wxT("black") ) |
| 726 | return wxFONTWEIGHT_BOLD; |
| 727 | else if ( s == wxT("light") ) |
| 728 | return wxFONTWEIGHT_LIGHT; |
| 729 | |
| 730 | return wxFONTWEIGHT_NORMAL; |
| 731 | } |
| 732 | |
| 733 | bool wxNativeFontInfo::GetUnderlined() const |
| 734 | { |
| 735 | // X fonts are never underlined |
| 736 | return false; |
| 737 | } |
| 738 | |
| 739 | wxString wxNativeFontInfo::GetFaceName() const |
| 740 | { |
| 741 | // wxWidgets facename probably more accurately corresponds to X family |
| 742 | return GetXFontComponent(wxXLFD_FAMILY); |
| 743 | } |
| 744 | |
| 745 | wxFontFamily wxNativeFontInfo::GetFamily() const |
| 746 | { |
| 747 | // and wxWidgets family -- to X foundry, but we have to translate it to |
| 748 | // wxFontFamily somehow... |
| 749 | wxFAIL_MSG(wxT("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY); |
| 750 | |
| 751 | return wxFONTFAMILY_DEFAULT; |
| 752 | } |
| 753 | |
| 754 | wxFontEncoding wxNativeFontInfo::GetEncoding() const |
| 755 | { |
| 756 | // we already have the code for this but need to refactor it first |
| 757 | wxFAIL_MSG( wxT("not implemented") ); |
| 758 | |
| 759 | return wxFONTENCODING_MAX; |
| 760 | } |
| 761 | |
| 762 | void wxNativeFontInfo::SetPointSize(int pointsize) |
| 763 | { |
| 764 | SetXFontComponent(wxXLFD_POINTSIZE, wxString::Format(wxT("%d"), pointsize)); |
| 765 | } |
| 766 | |
| 767 | void wxNativeFontInfo::SetStyle(wxFontStyle style) |
| 768 | { |
| 769 | wxString s; |
| 770 | switch ( style ) |
| 771 | { |
| 772 | case wxFONTSTYLE_ITALIC: |
| 773 | s = wxT('i'); |
| 774 | break; |
| 775 | |
| 776 | case wxFONTSTYLE_SLANT: |
| 777 | s = wxT('o'); |
| 778 | break; |
| 779 | |
| 780 | case wxFONTSTYLE_NORMAL: |
| 781 | s = wxT('r'); |
| 782 | |
| 783 | default: |
| 784 | wxFAIL_MSG( wxT("unknown wxFontStyle in wxNativeFontInfo::SetStyle") ); |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | SetXFontComponent(wxXLFD_SLANT, s); |
| 789 | } |
| 790 | |
| 791 | void wxNativeFontInfo::SetWeight(wxFontWeight weight) |
| 792 | { |
| 793 | wxString s; |
| 794 | switch ( weight ) |
| 795 | { |
| 796 | case wxFONTWEIGHT_BOLD: |
| 797 | s = wxT("bold"); |
| 798 | break; |
| 799 | |
| 800 | case wxFONTWEIGHT_LIGHT: |
| 801 | s = wxT("light"); |
| 802 | break; |
| 803 | |
| 804 | case wxFONTWEIGHT_NORMAL: |
| 805 | s = wxT("medium"); |
| 806 | break; |
| 807 | |
| 808 | default: |
| 809 | wxFAIL_MSG( wxT("unknown wxFontWeight in wxNativeFontInfo::SetWeight") ); |
| 810 | return; |
| 811 | } |
| 812 | |
| 813 | SetXFontComponent(wxXLFD_WEIGHT, s); |
| 814 | } |
| 815 | |
| 816 | void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined)) |
| 817 | { |
| 818 | // can't do this under X |
| 819 | } |
| 820 | |
| 821 | bool wxNativeFontInfo::SetFaceName(const wxString& facename) |
| 822 | { |
| 823 | SetXFontComponent(wxXLFD_FAMILY, facename); |
| 824 | return true; |
| 825 | } |
| 826 | |
| 827 | void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family)) |
| 828 | { |
| 829 | // wxFontFamily -> X foundry, anyone? |
| 830 | wxFAIL_MSG( wxT("not implemented") ); |
| 831 | |
| 832 | // SetXFontComponent(wxXLFD_FOUNDRY, ...); |
| 833 | } |
| 834 | |
| 835 | void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding) |
| 836 | { |
| 837 | wxNativeEncodingInfo info; |
| 838 | if ( wxGetNativeFontEncoding(encoding, &info) ) |
| 839 | { |
| 840 | SetXFontComponent(wxXLFD_ENCODING, info.xencoding); |
| 841 | SetXFontComponent(wxXLFD_REGISTRY, info.xregistry); |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | // ---------------------------------------------------------------------------- |
| 846 | // common functions |
| 847 | // ---------------------------------------------------------------------------- |
| 848 | |
| 849 | bool wxGetNativeFontEncoding(wxFontEncoding encoding, |
| 850 | wxNativeEncodingInfo *info) |
| 851 | { |
| 852 | wxCHECK_MSG( info, false, wxT("bad pointer in wxGetNativeFontEncoding") ); |
| 853 | |
| 854 | if ( encoding == wxFONTENCODING_DEFAULT ) |
| 855 | { |
| 856 | encoding = wxFont::GetDefaultEncoding(); |
| 857 | } |
| 858 | |
| 859 | switch ( encoding ) |
| 860 | { |
| 861 | case wxFONTENCODING_ISO8859_1: |
| 862 | case wxFONTENCODING_ISO8859_2: |
| 863 | case wxFONTENCODING_ISO8859_3: |
| 864 | case wxFONTENCODING_ISO8859_4: |
| 865 | case wxFONTENCODING_ISO8859_5: |
| 866 | case wxFONTENCODING_ISO8859_6: |
| 867 | case wxFONTENCODING_ISO8859_7: |
| 868 | case wxFONTENCODING_ISO8859_8: |
| 869 | case wxFONTENCODING_ISO8859_9: |
| 870 | case wxFONTENCODING_ISO8859_10: |
| 871 | case wxFONTENCODING_ISO8859_11: |
| 872 | case wxFONTENCODING_ISO8859_12: |
| 873 | case wxFONTENCODING_ISO8859_13: |
| 874 | case wxFONTENCODING_ISO8859_14: |
| 875 | case wxFONTENCODING_ISO8859_15: |
| 876 | { |
| 877 | int cp = encoding - wxFONTENCODING_ISO8859_1 + 1; |
| 878 | info->xregistry = wxT("iso8859"); |
| 879 | info->xencoding.Printf(wxT("%d"), cp); |
| 880 | } |
| 881 | break; |
| 882 | |
| 883 | case wxFONTENCODING_UTF8: |
| 884 | info->xregistry = wxT("iso10646"); |
| 885 | info->xencoding = wxT("*"); |
| 886 | break; |
| 887 | |
| 888 | case wxFONTENCODING_GB2312: |
| 889 | info->xregistry = wxT("GB2312"); // or the otherway round? |
| 890 | info->xencoding = wxT("*"); |
| 891 | break; |
| 892 | |
| 893 | case wxFONTENCODING_KOI8: |
| 894 | case wxFONTENCODING_KOI8_U: |
| 895 | info->xregistry = wxT("koi8"); |
| 896 | |
| 897 | // we don't make distinction between koi8-r, koi8-u and koi8-ru (so far) |
| 898 | info->xencoding = wxT("*"); |
| 899 | break; |
| 900 | |
| 901 | case wxFONTENCODING_CP1250: |
| 902 | case wxFONTENCODING_CP1251: |
| 903 | case wxFONTENCODING_CP1252: |
| 904 | case wxFONTENCODING_CP1253: |
| 905 | case wxFONTENCODING_CP1254: |
| 906 | case wxFONTENCODING_CP1255: |
| 907 | case wxFONTENCODING_CP1256: |
| 908 | case wxFONTENCODING_CP1257: |
| 909 | { |
| 910 | int cp = encoding - wxFONTENCODING_CP1250 + 1250; |
| 911 | info->xregistry = wxT("microsoft"); |
| 912 | info->xencoding.Printf(wxT("cp%d"), cp); |
| 913 | } |
| 914 | break; |
| 915 | |
| 916 | case wxFONTENCODING_EUC_JP: |
| 917 | case wxFONTENCODING_SHIFT_JIS: |
| 918 | info->xregistry = "jis*"; |
| 919 | info->xencoding = "*"; |
| 920 | break; |
| 921 | |
| 922 | case wxFONTENCODING_SYSTEM: |
| 923 | info->xregistry = |
| 924 | info->xencoding = wxT("*"); |
| 925 | break; |
| 926 | |
| 927 | default: |
| 928 | // don't know how to translate this encoding into X fontspec |
| 929 | return false; |
| 930 | } |
| 931 | |
| 932 | info->encoding = encoding; |
| 933 | |
| 934 | return true; |
| 935 | } |
| 936 | |
| 937 | bool wxTestFontEncoding(const wxNativeEncodingInfo& info) |
| 938 | { |
| 939 | wxString fontspec; |
| 940 | fontspec.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-%s-%s"), |
| 941 | !info.facename ? wxT("*") : info.facename.c_str(), |
| 942 | info.xregistry.c_str(), |
| 943 | info.xencoding.c_str()); |
| 944 | |
| 945 | return wxTestFontSpec(fontspec); |
| 946 | } |
| 947 | |
| 948 | // ---------------------------------------------------------------------------- |
| 949 | // X-specific functions |
| 950 | // ---------------------------------------------------------------------------- |
| 951 | |
| 952 | wxNativeFont wxLoadQueryNearestFont(int pointSize, |
| 953 | int family, |
| 954 | int style, |
| 955 | int weight, |
| 956 | bool underlined, |
| 957 | const wxString &facename, |
| 958 | wxFontEncoding encoding, |
| 959 | wxString* xFontName) |
| 960 | { |
| 961 | if ( encoding == wxFONTENCODING_DEFAULT ) |
| 962 | { |
| 963 | encoding = wxFont::GetDefaultEncoding(); |
| 964 | } |
| 965 | |
| 966 | // first determine the encoding - if the font doesn't exist at all in this |
| 967 | // encoding, it's useless to do all other approximations (i.e. size, |
| 968 | // family &c don't matter much) |
| 969 | wxNativeEncodingInfo info; |
| 970 | if ( encoding == wxFONTENCODING_SYSTEM ) |
| 971 | { |
| 972 | // This will always work so we don't test to save time |
| 973 | wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info); |
| 974 | } |
| 975 | else |
| 976 | { |
| 977 | if ( !wxGetNativeFontEncoding(encoding, &info) || |
| 978 | !wxTestFontEncoding(info) ) |
| 979 | { |
| 980 | #if wxUSE_FONTMAP |
| 981 | if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) ) |
| 982 | #endif // wxUSE_FONTMAP |
| 983 | { |
| 984 | // unspported encoding - replace it with the default |
| 985 | // |
| 986 | // NB: we can't just return 0 from here because wxGTK code doesn't |
| 987 | // check for it (i.e. it supposes that we'll always succeed), |
| 988 | // so it would provoke a crash |
| 989 | wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM, &info); |
| 990 | } |
| 991 | } |
| 992 | } |
| 993 | |
| 994 | // OK, we have the correct xregistry/xencoding in info structure |
| 995 | wxNativeFont font = 0; |
| 996 | |
| 997 | // if we already have the X font name, try to use it |
| 998 | if( xFontName && !xFontName->empty() ) |
| 999 | { |
| 1000 | // |
| 1001 | // Make sure point size is correct for scale factor. |
| 1002 | // |
| 1003 | wxStringTokenizer tokenizer(*xFontName, wxT("-"), wxTOKEN_RET_DELIMS); |
| 1004 | wxString newFontName; |
| 1005 | |
| 1006 | for(int i = 0; i < 8; i++) |
| 1007 | newFontName += tokenizer.NextToken(); |
| 1008 | |
| 1009 | (void) tokenizer.NextToken(); |
| 1010 | |
| 1011 | newFontName += wxString::Format(wxT("%d-"), pointSize); |
| 1012 | |
| 1013 | while(tokenizer.HasMoreTokens()) |
| 1014 | newFontName += tokenizer.GetNextToken(); |
| 1015 | |
| 1016 | font = wxLoadFont(newFontName); |
| 1017 | |
| 1018 | if(font) |
| 1019 | *xFontName = newFontName; |
| 1020 | } |
| 1021 | |
| 1022 | if ( !font ) |
| 1023 | { |
| 1024 | // search up and down by stepsize 10 |
| 1025 | int max_size = pointSize + 20 * (1 + (pointSize/180)); |
| 1026 | int min_size = pointSize - 20 * (1 + (pointSize/180)); |
| 1027 | |
| 1028 | int i, round; // counters |
| 1029 | |
| 1030 | // first round: search for equal, then for smaller and for larger size |
| 1031 | // with the given weight and style |
| 1032 | int testweight = weight; |
| 1033 | int teststyle = style; |
| 1034 | |
| 1035 | for ( round = 0; round < 3; round++ ) |
| 1036 | { |
| 1037 | // second round: use normal weight |
| 1038 | if ( round == 1 ) |
| 1039 | { |
| 1040 | if ( testweight != wxNORMAL ) |
| 1041 | { |
| 1042 | testweight = wxNORMAL; |
| 1043 | } |
| 1044 | else |
| 1045 | { |
| 1046 | ++round; // fall through to third round |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | // third round: ... and use normal style |
| 1051 | if ( round == 2 ) |
| 1052 | { |
| 1053 | if ( teststyle != wxNORMAL ) |
| 1054 | { |
| 1055 | teststyle = wxNORMAL; |
| 1056 | } |
| 1057 | else |
| 1058 | { |
| 1059 | break; |
| 1060 | } |
| 1061 | } |
| 1062 | // Search for equal or smaller size (approx.) |
| 1063 | for ( i = pointSize; !font && i >= 10 && i >= min_size; i -= 10 ) |
| 1064 | { |
| 1065 | font = wxLoadQueryFont(i, family, teststyle, testweight, underlined, |
| 1066 | facename, info.xregistry, info.xencoding, |
| 1067 | xFontName); |
| 1068 | } |
| 1069 | |
| 1070 | // Search for larger size (approx.) |
| 1071 | for ( i = pointSize + 10; !font && i <= max_size; i += 10 ) |
| 1072 | { |
| 1073 | font = wxLoadQueryFont(i, family, teststyle, testweight, underlined, |
| 1074 | facename, info.xregistry, info.xencoding, |
| 1075 | xFontName); |
| 1076 | } |
| 1077 | } |
| 1078 | |
| 1079 | // Try default family |
| 1080 | if ( !font && family != wxDEFAULT ) |
| 1081 | { |
| 1082 | font = wxLoadQueryFont(pointSize, wxDEFAULT, style, weight, |
| 1083 | underlined, facename, |
| 1084 | info.xregistry, info.xencoding, |
| 1085 | xFontName ); |
| 1086 | } |
| 1087 | |
| 1088 | // ignore size, family, style and weight but try to find font with the |
| 1089 | // given facename and encoding |
| 1090 | if ( !font ) |
| 1091 | { |
| 1092 | font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, |
| 1093 | underlined, facename, |
| 1094 | info.xregistry, info.xencoding, |
| 1095 | xFontName); |
| 1096 | |
| 1097 | // ignore family as well |
| 1098 | if ( !font ) |
| 1099 | { |
| 1100 | font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL, |
| 1101 | underlined, wxEmptyString, |
| 1102 | info.xregistry, info.xencoding, |
| 1103 | xFontName); |
| 1104 | |
| 1105 | // if it still failed, try to get the font of any size but |
| 1106 | // with the requested encoding: this can happen if the |
| 1107 | // encoding is only available in one size which happens to be |
| 1108 | // different from 120 |
| 1109 | if ( !font ) |
| 1110 | { |
| 1111 | font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL, |
| 1112 | false, wxEmptyString, |
| 1113 | info.xregistry, info.xencoding, |
| 1114 | xFontName); |
| 1115 | |
| 1116 | // this should never happen as we had tested for it in the |
| 1117 | // very beginning, but if it does, do return something non |
| 1118 | // NULL or we'd crash in wxFont code |
| 1119 | if ( !font ) |
| 1120 | { |
| 1121 | wxFAIL_MSG( wxT("this encoding should be available!") ); |
| 1122 | |
| 1123 | font = wxLoadQueryFont(-1, |
| 1124 | wxDEFAULT, wxNORMAL, wxNORMAL, |
| 1125 | false, wxEmptyString, |
| 1126 | wxT("*"), wxT("*"), |
| 1127 | xFontName); |
| 1128 | } |
| 1129 | } |
| 1130 | } |
| 1131 | } |
| 1132 | } |
| 1133 | |
| 1134 | return font; |
| 1135 | } |
| 1136 | |
| 1137 | // ---------------------------------------------------------------------------- |
| 1138 | // private functions |
| 1139 | // ---------------------------------------------------------------------------- |
| 1140 | |
| 1141 | // returns true if there are any fonts matching this font spec |
| 1142 | static bool wxTestFontSpec(const wxString& fontspec) |
| 1143 | { |
| 1144 | // some X servers will fail to load this font because there are too many |
| 1145 | // matches so we must test explicitly for this |
| 1146 | if ( fontspec == wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") ) |
| 1147 | { |
| 1148 | return true; |
| 1149 | } |
| 1150 | |
| 1151 | wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec ); |
| 1152 | if (test) |
| 1153 | { |
| 1154 | return true; |
| 1155 | } |
| 1156 | |
| 1157 | test = wxLoadFont(fontspec); |
| 1158 | g_fontHash->Put( fontspec, (wxObject*) test ); |
| 1159 | |
| 1160 | if ( test ) |
| 1161 | { |
| 1162 | wxFreeFont(test); |
| 1163 | |
| 1164 | return true; |
| 1165 | } |
| 1166 | else |
| 1167 | { |
| 1168 | return false; |
| 1169 | } |
| 1170 | } |
| 1171 | |
| 1172 | static wxNativeFont wxLoadQueryFont(int pointSize, |
| 1173 | int family, |
| 1174 | int style, |
| 1175 | int weight, |
| 1176 | bool WXUNUSED(underlined), |
| 1177 | const wxString& facename, |
| 1178 | const wxString& xregistry, |
| 1179 | const wxString& xencoding, |
| 1180 | wxString* xFontName) |
| 1181 | { |
| 1182 | wxString xfamily; |
| 1183 | switch (family) |
| 1184 | { |
| 1185 | case wxDECORATIVE: xfamily = wxT("lucida"); break; |
| 1186 | case wxROMAN: xfamily = wxT("times"); break; |
| 1187 | case wxMODERN: xfamily = wxT("courier"); break; |
| 1188 | case wxSWISS: xfamily = wxT("helvetica"); break; |
| 1189 | case wxTELETYPE: xfamily = wxT("lucidatypewriter"); break; |
| 1190 | case wxSCRIPT: xfamily = wxT("utopia"); break; |
| 1191 | default: xfamily = wxT("*"); |
| 1192 | } |
| 1193 | #if wxUSE_NANOX |
| 1194 | int xweight; |
| 1195 | switch (weight) |
| 1196 | { |
| 1197 | case wxBOLD: |
| 1198 | { |
| 1199 | xweight = MWLF_WEIGHT_BOLD; |
| 1200 | break; |
| 1201 | } |
| 1202 | case wxLIGHT: |
| 1203 | { |
| 1204 | xweight = MWLF_WEIGHT_LIGHT; |
| 1205 | break; |
| 1206 | } |
| 1207 | case wxNORMAL: |
| 1208 | { |
| 1209 | xweight = MWLF_WEIGHT_NORMAL; |
| 1210 | break; |
| 1211 | } |
| 1212 | |
| 1213 | default: |
| 1214 | { |
| 1215 | xweight = MWLF_WEIGHT_DEFAULT; |
| 1216 | break; |
| 1217 | } |
| 1218 | } |
| 1219 | GR_SCREEN_INFO screenInfo; |
| 1220 | GrGetScreenInfo(& screenInfo); |
| 1221 | |
| 1222 | int yPixelsPerCM = screenInfo.ydpcm; |
| 1223 | |
| 1224 | // A point is 1/72 of an inch. |
| 1225 | // An inch is 2.541 cm. |
| 1226 | // So pixelHeight = (pointSize / 72) (inches) * 2.541 (for cm) * yPixelsPerCM (for pixels) |
| 1227 | // In fact pointSize is 10 * the normal point size so |
| 1228 | // divide by 10. |
| 1229 | |
| 1230 | int pixelHeight = (int) ( (((float)pointSize) / 720.0) * 2.541 * (float) yPixelsPerCM) ; |
| 1231 | |
| 1232 | // An alternative: assume that the screen is 72 dpi. |
| 1233 | //int pixelHeight = (int) (((float)pointSize / 720.0) * 72.0) ; |
| 1234 | //int pixelHeight = (int) ((float)pointSize / 10.0) ; |
| 1235 | |
| 1236 | GR_LOGFONT logFont; |
| 1237 | logFont.lfHeight = pixelHeight; |
| 1238 | logFont.lfWidth = 0; |
| 1239 | logFont.lfEscapement = 0; |
| 1240 | logFont.lfOrientation = 0; |
| 1241 | logFont.lfWeight = xweight; |
| 1242 | logFont.lfItalic = (style == wxNORMAL ? 0 : 1) ; |
| 1243 | logFont.lfUnderline = 0; |
| 1244 | logFont.lfStrikeOut = 0; |
| 1245 | logFont.lfCharSet = MWLF_CHARSET_DEFAULT; // TODO: select appropriate one |
| 1246 | logFont.lfOutPrecision = MWLF_TYPE_DEFAULT; |
| 1247 | logFont.lfClipPrecision = 0; // Not used |
| 1248 | logFont.lfRoman = (family == wxROMAN ? 1 : 0) ; |
| 1249 | logFont.lfSerif = (family == wxSWISS ? 0 : 1) ; |
| 1250 | logFont.lfSansSerif = !logFont.lfSerif ; |
| 1251 | logFont.lfModern = (family == wxMODERN ? 1 : 0) ; |
| 1252 | logFont.lfProportional = (family == wxTELETYPE ? 0 : 1) ; |
| 1253 | logFont.lfOblique = 0; |
| 1254 | logFont.lfSmallCaps = 0; |
| 1255 | logFont.lfPitch = 0; // 0 = default |
| 1256 | strcpy(logFont.lfFaceName, facename.c_str()); |
| 1257 | |
| 1258 | XFontStruct* fontInfo = (XFontStruct*) malloc(sizeof(XFontStruct)); |
| 1259 | fontInfo->fid = GrCreateFont((GR_CHAR*) facename.c_str(), pixelHeight, & logFont); |
| 1260 | GrGetFontInfo(fontInfo->fid, & fontInfo->info); |
| 1261 | return (wxNativeFont) fontInfo; |
| 1262 | |
| 1263 | #else |
| 1264 | wxString fontSpec; |
| 1265 | if (!facename.empty()) |
| 1266 | { |
| 1267 | fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"), |
| 1268 | facename.c_str()); |
| 1269 | |
| 1270 | if ( wxTestFontSpec(fontSpec) ) |
| 1271 | { |
| 1272 | xfamily = facename; |
| 1273 | } |
| 1274 | //else: no such family, use default one instead |
| 1275 | } |
| 1276 | |
| 1277 | wxString xstyle; |
| 1278 | switch (style) |
| 1279 | { |
| 1280 | case wxSLANT: |
| 1281 | fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"), |
| 1282 | xfamily.c_str()); |
| 1283 | if ( wxTestFontSpec(fontSpec) ) |
| 1284 | { |
| 1285 | xstyle = wxT("o"); |
| 1286 | break; |
| 1287 | } |
| 1288 | // fall through - try wxITALIC now |
| 1289 | |
| 1290 | case wxITALIC: |
| 1291 | fontSpec.Printf(wxT("-*-%s-*-i-*-*-*-*-*-*-*-*-*-*"), |
| 1292 | xfamily.c_str()); |
| 1293 | if ( wxTestFontSpec(fontSpec) ) |
| 1294 | { |
| 1295 | xstyle = wxT("i"); |
| 1296 | } |
| 1297 | else if ( style == wxITALIC ) // and not wxSLANT |
| 1298 | { |
| 1299 | // try wxSLANT |
| 1300 | fontSpec.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"), |
| 1301 | xfamily.c_str()); |
| 1302 | if ( wxTestFontSpec(fontSpec) ) |
| 1303 | { |
| 1304 | xstyle = wxT("o"); |
| 1305 | } |
| 1306 | else |
| 1307 | { |
| 1308 | // no italic, no slant - leave default |
| 1309 | xstyle = wxT("*"); |
| 1310 | } |
| 1311 | } |
| 1312 | break; |
| 1313 | |
| 1314 | default: |
| 1315 | wxFAIL_MSG(wxT("unknown font style")); |
| 1316 | // fall back to normal |
| 1317 | |
| 1318 | case wxNORMAL: |
| 1319 | xstyle = wxT("r"); |
| 1320 | break; |
| 1321 | } |
| 1322 | |
| 1323 | wxString xweight; |
| 1324 | switch (weight) |
| 1325 | { |
| 1326 | case wxBOLD: |
| 1327 | { |
| 1328 | fontSpec.Printf(wxT("-*-%s-bold-*-*-*-*-*-*-*-*-*-*-*"), |
| 1329 | xfamily.c_str()); |
| 1330 | if ( wxTestFontSpec(fontSpec) ) |
| 1331 | { |
| 1332 | xweight = wxT("bold"); |
| 1333 | break; |
| 1334 | } |
| 1335 | fontSpec.Printf(wxT("-*-%s-heavy-*-*-*-*-*-*-*-*-*-*-*"), |
| 1336 | xfamily.c_str()); |
| 1337 | if ( wxTestFontSpec(fontSpec) ) |
| 1338 | { |
| 1339 | xweight = wxT("heavy"); |
| 1340 | break; |
| 1341 | } |
| 1342 | fontSpec.Printf(wxT("-*-%s-extrabold-*-*-*-*-*-*-*-*-*-*-*"), |
| 1343 | xfamily.c_str()); |
| 1344 | if ( wxTestFontSpec(fontSpec) ) |
| 1345 | { |
| 1346 | xweight = wxT("extrabold"); |
| 1347 | break; |
| 1348 | } |
| 1349 | fontSpec.Printf(wxT("-*-%s-demibold-*-*-*-*-*-*-*-*-*-*-*"), |
| 1350 | xfamily.c_str()); |
| 1351 | if ( wxTestFontSpec(fontSpec) ) |
| 1352 | { |
| 1353 | xweight = wxT("demibold"); |
| 1354 | break; |
| 1355 | } |
| 1356 | fontSpec.Printf(wxT("-*-%s-black-*-*-*-*-*-*-*-*-*-*-*"), |
| 1357 | xfamily.c_str()); |
| 1358 | if ( wxTestFontSpec(fontSpec) ) |
| 1359 | { |
| 1360 | xweight = wxT("black"); |
| 1361 | break; |
| 1362 | } |
| 1363 | fontSpec.Printf(wxT("-*-%s-ultrablack-*-*-*-*-*-*-*-*-*-*-*"), |
| 1364 | xfamily.c_str()); |
| 1365 | if ( wxTestFontSpec(fontSpec) ) |
| 1366 | { |
| 1367 | xweight = wxT("ultrablack"); |
| 1368 | break; |
| 1369 | } |
| 1370 | } |
| 1371 | break; |
| 1372 | case wxLIGHT: |
| 1373 | { |
| 1374 | fontSpec.Printf(wxT("-*-%s-light-*-*-*-*-*-*-*-*-*-*-*"), |
| 1375 | xfamily.c_str()); |
| 1376 | if ( wxTestFontSpec(fontSpec) ) |
| 1377 | { |
| 1378 | xweight = wxT("light"); |
| 1379 | break; |
| 1380 | } |
| 1381 | fontSpec.Printf(wxT("-*-%s-thin-*-*-*-*-*-*-*-*-*-*-*"), |
| 1382 | xfamily.c_str()); |
| 1383 | if ( wxTestFontSpec(fontSpec) ) |
| 1384 | { |
| 1385 | xweight = wxT("thin"); |
| 1386 | break; |
| 1387 | } |
| 1388 | } |
| 1389 | break; |
| 1390 | case wxNORMAL: |
| 1391 | { |
| 1392 | fontSpec.Printf(wxT("-*-%s-medium-*-*-*-*-*-*-*-*-*-*-*"), |
| 1393 | xfamily.c_str()); |
| 1394 | if ( wxTestFontSpec(fontSpec) ) |
| 1395 | { |
| 1396 | xweight = wxT("medium"); |
| 1397 | break; |
| 1398 | } |
| 1399 | fontSpec.Printf(wxT("-*-%s-normal-*-*-*-*-*-*-*-*-*-*-*"), |
| 1400 | xfamily.c_str()); |
| 1401 | if ( wxTestFontSpec(fontSpec) ) |
| 1402 | { |
| 1403 | xweight = wxT("normal"); |
| 1404 | break; |
| 1405 | } |
| 1406 | fontSpec.Printf(wxT("-*-%s-regular-*-*-*-*-*-*-*-*-*-*-*"), |
| 1407 | xfamily.c_str()); |
| 1408 | if ( wxTestFontSpec(fontSpec) ) |
| 1409 | { |
| 1410 | xweight = wxT("regular"); |
| 1411 | break; |
| 1412 | } |
| 1413 | xweight = wxT("*"); |
| 1414 | } |
| 1415 | break; |
| 1416 | default: xweight = wxT("*"); break; |
| 1417 | } |
| 1418 | |
| 1419 | // if pointSize is -1, don't specify any |
| 1420 | wxString sizeSpec; |
| 1421 | if ( pointSize == -1 ) |
| 1422 | { |
| 1423 | sizeSpec = wxT('*'); |
| 1424 | } |
| 1425 | else |
| 1426 | { |
| 1427 | sizeSpec.Printf(wxT("%d"), pointSize); |
| 1428 | } |
| 1429 | |
| 1430 | // construct the X font spec from our data |
| 1431 | fontSpec.Printf(wxT("-*-%s-%s-%s-normal-*-*-%s-*-*-*-*-%s-%s"), |
| 1432 | xfamily.c_str(), xweight.c_str(), xstyle.c_str(), |
| 1433 | sizeSpec.c_str(), xregistry.c_str(), xencoding.c_str()); |
| 1434 | |
| 1435 | if( xFontName ) |
| 1436 | *xFontName = fontSpec; |
| 1437 | |
| 1438 | return wxLoadFont(fontSpec); |
| 1439 | #endif |
| 1440 | // wxUSE_NANOX |
| 1441 | } |
| 1442 | |
| 1443 | // ---------------------------------------------------------------------------- |
| 1444 | // wxFontModule |
| 1445 | // ---------------------------------------------------------------------------- |
| 1446 | |
| 1447 | class wxFontModule : public wxModule |
| 1448 | { |
| 1449 | public: |
| 1450 | bool OnInit(); |
| 1451 | void OnExit(); |
| 1452 | |
| 1453 | private: |
| 1454 | DECLARE_DYNAMIC_CLASS(wxFontModule) |
| 1455 | }; |
| 1456 | |
| 1457 | IMPLEMENT_DYNAMIC_CLASS(wxFontModule, wxModule) |
| 1458 | |
| 1459 | bool wxFontModule::OnInit() |
| 1460 | { |
| 1461 | g_fontHash = new wxHashTable( wxKEY_STRING ); |
| 1462 | |
| 1463 | return true; |
| 1464 | } |
| 1465 | |
| 1466 | void wxFontModule::OnExit() |
| 1467 | { |
| 1468 | delete g_fontHash; |
| 1469 | |
| 1470 | g_fontHash = NULL; |
| 1471 | } |
| 1472 | |
| 1473 | #endif // GTK 2.0/1.x |