1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/unix/fontutil.cpp
3 // Purpose: Font helper functions for wxX11, wxGTK, wxMotif
4 // Author: Vadim Zeitlin
8 // Copyright: (c) Vadim Zeitlin
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
27 #include "wx/fontutil.h"
31 #include "wx/font.h" // wxFont enums
32 #include "wx/encinfo.h"
34 #include "wx/utils.h" // for wxGetDisplay()
35 #include "wx/module.h"
38 #include "wx/fontmap.h"
39 #include "wx/tokenzr.h"
40 #include "wx/fontenum.h"
44 #include "pango/pango.h"
47 #include "wx/gtk/private.h"
48 extern GtkWidget
*wxGetRootWindow();
50 #define wxPANGO_CONV wxGTK_CONV_SYS
51 #define wxPANGO_CONV_BACK wxGTK_CONV_BACK_SYS
53 #include "wx/x11/private.h"
54 #include "wx/gtk/private/string.h"
56 #define wxPANGO_CONV(s) s.utf8_str()
57 #define wxPANGO_CONV_BACK(s) wxString::FromUTF8Unchecked(s)
60 // ----------------------------------------------------------------------------
62 // ----------------------------------------------------------------------------
64 void wxNativeFontInfo::Init()
68 m_strikethrough
= false;
71 void wxNativeFontInfo::Init(const wxNativeFontInfo
& info
)
75 description
= pango_font_description_copy(info
.description
);
76 m_underlined
= info
.GetUnderlined();
77 m_strikethrough
= info
.GetStrikethrough();
83 m_strikethrough
= false;
87 void wxNativeFontInfo::Free()
90 pango_font_description_free(description
);
93 int wxNativeFontInfo::GetPointSize() const
95 return pango_font_description_get_size( description
) / PANGO_SCALE
;
98 wxFontStyle
wxNativeFontInfo::GetStyle() const
100 wxFontStyle m_style
= wxFONTSTYLE_NORMAL
;
102 switch (pango_font_description_get_style( description
))
104 case PANGO_STYLE_NORMAL
:
105 m_style
= wxFONTSTYLE_NORMAL
;
107 case PANGO_STYLE_ITALIC
:
108 m_style
= wxFONTSTYLE_ITALIC
;
110 case PANGO_STYLE_OBLIQUE
:
111 m_style
= wxFONTSTYLE_SLANT
;
118 wxFontWeight
wxNativeFontInfo::GetWeight() const
120 // We seem to currently initialize only by string.
121 // In that case PANGO_FONT_MASK_WEIGHT is always set.
122 // if (!(pango_font_description_get_set_fields(description) & PANGO_FONT_MASK_WEIGHT))
123 // return wxFONTWEIGHT_NORMAL;
125 PangoWeight pango_weight
= pango_font_description_get_weight( description
);
127 // Until the API can be changed the following ranges of weight values are used:
128 // wxFONTWEIGHT_LIGHT: 100 .. 349 - range of 250
129 // wxFONTWEIGHT_NORMAL: 350 .. 599 - range of 250
130 // wxFONTWEIGHT_BOLD: 600 .. 900 - range of 301 (600 is "semibold" already)
132 if (pango_weight
>= 600)
133 return wxFONTWEIGHT_BOLD
;
135 if (pango_weight
< 350)
136 return wxFONTWEIGHT_LIGHT
;
138 return wxFONTWEIGHT_NORMAL
;
141 bool wxNativeFontInfo::GetUnderlined() const
146 bool wxNativeFontInfo::GetStrikethrough() const
148 return m_strikethrough
;
151 wxString
wxNativeFontInfo::GetFaceName() const
153 // the Pango "family" is the wx "face name"
154 return wxPANGO_CONV_BACK(pango_font_description_get_family(description
));
157 wxFontFamily
wxNativeFontInfo::GetFamily() const
159 wxFontFamily ret
= wxFONTFAMILY_UNKNOWN
;
161 const char *family_name
= pango_font_description_get_family( description
);
163 // note: not passing -1 as the 2nd parameter to g_ascii_strdown to work
164 // around a bug in the 64-bit glib shipped with solaris 10, -1 causes it
165 // to try to allocate 2^32 bytes.
168 wxGtkString
family_text(g_ascii_strdown(family_name
, strlen(family_name
)));
170 // Check for some common fonts, to salvage what we can from the current
171 // win32 centric wxFont API:
172 if (wxStrnicmp( family_text
, "monospace", 9 ) == 0)
173 ret
= wxFONTFAMILY_TELETYPE
; // begins with "Monospace"
174 else if (wxStrnicmp( family_text
, "courier", 7 ) == 0)
175 ret
= wxFONTFAMILY_TELETYPE
; // begins with "Courier"
176 #if defined(__WXGTK20__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE)
179 PangoFontFamily
**families
;
180 PangoFontFamily
*family
= NULL
;
182 pango_context_list_families(
184 gtk_widget_get_pango_context( wxGetRootWindow() ),
186 wxTheApp
->GetPangoContext(),
188 &families
, &n_families
);
190 for (int i
= 0; i
< n_families
; ++i
)
192 if (g_ascii_strcasecmp(pango_font_family_get_name( families
[i
] ),
193 pango_font_description_get_family( description
)) == 0 )
195 family
= families
[i
];
202 // Some gtk+ systems might query for a non-existing font from
203 // wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) on initialization,
204 // don't assert until wxSystemSettings::GetFont is checked for this - MR
205 // wxASSERT_MSG( family, "No appropriate PangoFontFamily found for ::description" );
207 if (family
!= NULL
&& pango_font_family_is_monospace( family
))
208 ret
= wxFONTFAMILY_TELETYPE
; // is deemed a monospace font by pango
210 #endif // GTK+ 2 || HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE
212 if (ret
== wxFONTFAMILY_UNKNOWN
)
214 if (strstr( family_text
, "sans" ) != NULL
|| strstr( family_text
, "Sans" ) != NULL
)
215 // checked before serif, so that "* Sans Serif" fonts are detected correctly
216 ret
= wxFONTFAMILY_SWISS
; // contains "Sans"
217 else if (strstr( family_text
, "serif" ) != NULL
|| strstr( family_text
, "Serif" ) != NULL
)
218 ret
= wxFONTFAMILY_ROMAN
; // contains "Serif"
219 else if (wxStrnicmp( family_text
, "times", 5 ) == 0)
220 ret
= wxFONTFAMILY_ROMAN
; // begins with "Times"
221 else if (wxStrnicmp( family_text
, "old", 3 ) == 0)
222 ret
= wxFONTFAMILY_DECORATIVE
; // begins with "Old" - "Old English", "Old Town"
228 wxFontEncoding
wxNativeFontInfo::GetEncoding() const
230 return wxFONTENCODING_SYSTEM
;
233 void wxNativeFontInfo::SetPointSize(int pointsize
)
235 pango_font_description_set_size( description
, pointsize
* PANGO_SCALE
);
238 void wxNativeFontInfo::SetStyle(wxFontStyle style
)
242 case wxFONTSTYLE_ITALIC
:
243 pango_font_description_set_style( description
, PANGO_STYLE_ITALIC
);
245 case wxFONTSTYLE_SLANT
:
246 pango_font_description_set_style( description
, PANGO_STYLE_OBLIQUE
);
249 wxFAIL_MSG( "unknown font style" );
251 case wxFONTSTYLE_NORMAL
:
252 pango_font_description_set_style( description
, PANGO_STYLE_NORMAL
);
257 void wxNativeFontInfo::SetWeight(wxFontWeight weight
)
261 case wxFONTWEIGHT_BOLD
:
262 pango_font_description_set_weight(description
, PANGO_WEIGHT_BOLD
);
264 case wxFONTWEIGHT_LIGHT
:
265 pango_font_description_set_weight(description
, PANGO_WEIGHT_LIGHT
);
268 wxFAIL_MSG( "unknown font weight" );
270 case wxFONTWEIGHT_NORMAL
:
271 pango_font_description_set_weight(description
, PANGO_WEIGHT_NORMAL
);
275 void wxNativeFontInfo::SetUnderlined(bool underlined
)
277 // Pango doesn't have the underlined attribute so we store it separately
278 // (and handle it specially in wxWindowDCImpl::DoDrawText()).
279 m_underlined
= underlined
;
282 void wxNativeFontInfo::SetStrikethrough(bool strikethrough
)
284 // As with the underlined attribute above, we handle this one separately as
285 // Pango doesn't support it as part of the font description.
286 m_strikethrough
= strikethrough
;
289 bool wxNativeFontInfo::SetFaceName(const wxString
& facename
)
291 pango_font_description_set_family(description
, wxPANGO_CONV(facename
));
293 // we return true because Pango doesn't tell us if the call failed or not;
294 // instead on wxGTK wxFont::SetFaceName() will call wxFontBase::SetFaceName()
295 // which does the check
299 void wxNativeFontInfo::SetFamily(wxFontFamily family
)
301 wxArrayString facename
;
303 // the list of fonts associated with a family was partially
304 // taken from http://www.codestyle.org/css/font-family
308 case wxFONTFAMILY_SCRIPT
:
309 // corresponds to the cursive font family in the page linked above
310 facename
.Add(wxS("URW Chancery L"));
311 facename
.Add(wxS("Comic Sans MS"));
314 case wxFONTFAMILY_DECORATIVE
:
315 // corresponds to the fantasy font family in the page linked above
316 facename
.Add(wxS("Impact"));
319 case wxFONTFAMILY_ROMAN
:
320 // corresponds to the serif font family in the page linked above
321 facename
.Add(wxS("Serif"));
322 facename
.Add(wxS("DejaVu Serif"));
323 facename
.Add(wxS("DejaVu LGC Serif"));
324 facename
.Add(wxS("Bitstream Vera Serif"));
325 facename
.Add(wxS("Liberation Serif"));
326 facename
.Add(wxS("FreeSerif"));
327 facename
.Add(wxS("Luxi Serif"));
328 facename
.Add(wxS("Times New Roman"));
329 facename
.Add(wxS("Century Schoolbook L"));
330 facename
.Add(wxS("URW Bookman L"));
331 facename
.Add(wxS("URW Palladio L"));
332 facename
.Add(wxS("Times"));
335 case wxFONTFAMILY_TELETYPE
:
336 case wxFONTFAMILY_MODERN
:
337 // corresponds to the monospace font family in the page linked above
338 facename
.Add(wxS("Monospace"));
339 facename
.Add(wxS("DejaVu Sans Mono"));
340 facename
.Add(wxS("DejaVu LGC Sans Mono"));
341 facename
.Add(wxS("Bitstream Vera Sans Mono"));
342 facename
.Add(wxS("Liberation Mono"));
343 facename
.Add(wxS("FreeMono"));
344 facename
.Add(wxS("Luxi Mono"));
345 facename
.Add(wxS("Courier New"));
346 facename
.Add(wxS("Lucida Sans Typewriter"));
347 facename
.Add(wxS("Nimbus Mono L"));
348 facename
.Add(wxS("Andale Mono"));
349 facename
.Add(wxS("Courier"));
352 case wxFONTFAMILY_SWISS
:
353 case wxFONTFAMILY_DEFAULT
:
355 // corresponds to the sans-serif font family in the page linked above
356 facename
.Add(wxS("Sans"));
357 facename
.Add(wxS("DejaVu Sans"));
358 facename
.Add(wxS("DejaVu LGC Sans"));
359 facename
.Add(wxS("Bitstream Vera Sans"));
360 facename
.Add(wxS("Liberation Sans"));
361 facename
.Add(wxS("FreeSans"));
362 facename
.Add(wxS("Luxi Sans"));
363 facename
.Add(wxS("Arial"));
364 facename
.Add(wxS("Lucida Sans"));
365 facename
.Add(wxS("Nimbus Sans L"));
366 facename
.Add(wxS("URW Gothic L"));
370 SetFaceName(facename
);
373 void wxNativeFontInfo::SetEncoding(wxFontEncoding
WXUNUSED(encoding
))
375 wxFAIL_MSG( "not implemented: Pango encoding is always UTF8" );
378 bool wxNativeFontInfo::FromString(const wxString
& s
)
382 // Pango font description doesn't have 'underlined' or 'strikethrough'
383 // attributes, so we handle them specially by extracting them from the
384 // string before passing it to Pango.
385 m_underlined
= str
.StartsWith(wxS("underlined "), &str
);
386 m_strikethrough
= str
.StartsWith(wxS("strikethrough "), &str
);
389 pango_font_description_free( description
);
391 // there is a bug in at least pango <= 1.13 which makes it (or its backends)
392 // segfault for very big point sizes and for negative point sizes.
393 // To workaround that bug for pango <= 1.13
394 // (see http://bugzilla.gnome.org/show_bug.cgi?id=340229)
395 // we do the check on the size here using same (arbitrary) limits used by
396 // pango > 1.13. Note that the segfault could happen also for pointsize
397 // smaller than this limit !!
398 const size_t pos
= str
.find_last_of(wxS(" "));
400 if ( pos
!= wxString::npos
&& wxString(str
, pos
+ 1).ToDouble(&size
) )
405 else if ( size
>= 1E6
)
406 sizeStr
= wxS("1E6");
408 if ( !sizeStr
.empty() )
410 // replace the old size with the adjusted one
411 str
= wxString(s
, 0, pos
) + sizeStr
;
415 description
= pango_font_description_from_string(wxPANGO_CONV(str
));
418 // ensure a valid facename is selected
419 if (!wxFontEnumerator::IsValidFacename(GetFaceName()))
420 SetFaceName(wxNORMAL_FONT
->GetFaceName());
421 #endif // wxUSE_FONTENUM
426 wxString
wxNativeFontInfo::ToString() const
428 wxGtkString
str(pango_font_description_to_string( description
));
429 wxString desc
= wxPANGO_CONV_BACK(str
);
431 // Augment the string with the attributes not handled by Pango.
433 // Notice that we must add them in the same order they are extracted in
434 // FromString() above.
436 desc
.insert(0, wxS("strikethrough "));
438 desc
.insert(0, wxS("underlined "));
443 bool wxNativeFontInfo::FromUserString(const wxString
& s
)
445 return FromString( s
);
448 wxString
wxNativeFontInfo::ToUserString() const
457 #pragma message disable nosimpint
460 #include <X11/Xlib.h>
463 #pragma message enable nosimpint
466 #elif defined(__WXGTK__)
467 // we have to declare struct tm to avoid problems with first forward
468 // declaring it in C code (glib.h included from gdk.h does it) and then
469 // defining it when time.h is included from the headers below - this is
470 // known not to work at least with Sun CC 6.01
477 // ----------------------------------------------------------------------------
479 // ----------------------------------------------------------------------------
481 static wxHashTable
*g_fontHash
= NULL
;
483 // ----------------------------------------------------------------------------
485 // ----------------------------------------------------------------------------
487 // define the functions to create and destroy native fonts for this toolkit
489 wxNativeFont
wxLoadFont(const wxString
& fontSpec
)
491 return XLoadQueryFont((Display
*)wxGetDisplay(), fontSpec
);
494 inline void wxFreeFont(wxNativeFont font
)
496 XFreeFont((Display
*)wxGetDisplay(), (XFontStruct
*)font
);
498 #elif defined(__WXGTK__)
499 wxNativeFont
wxLoadFont(const wxString
& fontSpec
)
501 // VZ: we should use gdk_fontset_load() instead of gdk_font_load()
502 // here to be able to display Japanese fonts correctly (at least
503 // this is what people report) but unfortunately doing it results
504 // in tons of warnings when using GTK with "normal" European
505 // languages and so we can't always do it and I don't know enough
506 // to determine when should this be done... (FIXME)
507 return gdk_font_load( wxConvertWX2MB(fontSpec
) );
510 inline void wxFreeFont(wxNativeFont font
)
512 gdk_font_unref(font
);
515 #error "Unknown GUI toolkit"
518 static bool wxTestFontSpec(const wxString
& fontspec
);
520 static wxNativeFont
wxLoadQueryFont(int pointSize
,
525 const wxString
& facename
,
526 const wxString
& xregistry
,
527 const wxString
& xencoding
,
528 wxString
* xFontName
);
530 // ============================================================================
532 // ============================================================================
534 // ----------------------------------------------------------------------------
535 // wxNativeEncodingInfo
536 // ----------------------------------------------------------------------------
538 // convert to/from the string representation: format is
539 // encodingid;registry;encoding[;facename]
540 bool wxNativeEncodingInfo::FromString(const wxString
& s
)
542 // use ";", not "-" because it may be part of encoding name
543 wxStringTokenizer
tokenizer(s
, wxT(";"));
545 wxString encid
= tokenizer
.GetNextToken();
547 if ( !encid
.ToLong(&enc
) )
549 encoding
= (wxFontEncoding
)enc
;
551 xregistry
= tokenizer
.GetNextToken();
555 xencoding
= tokenizer
.GetNextToken();
560 facename
= tokenizer
.GetNextToken();
565 wxString
wxNativeEncodingInfo::ToString() const
568 s
<< (long)encoding
<< wxT(';') << xregistry
<< wxT(';') << xencoding
;
569 if ( !facename
.empty() )
571 s
<< wxT(';') << facename
;
577 // ----------------------------------------------------------------------------
579 // ----------------------------------------------------------------------------
581 void wxNativeFontInfo::Init()
586 bool wxNativeFontInfo::FromString(const wxString
& s
)
588 wxStringTokenizer
tokenizer(s
, wxT(";"));
591 wxString token
= tokenizer
.GetNextToken();
592 if ( token
!= wxT('0') )
595 xFontName
= tokenizer
.GetNextToken();
597 // this should be the end
598 if ( tokenizer
.HasMoreTokens() )
601 return FromXFontName(xFontName
);
604 wxString
wxNativeFontInfo::ToString() const
607 return wxString::Format(wxT("%d;%s"), 0, GetXFontName().c_str());
610 bool wxNativeFontInfo::FromUserString(const wxString
& s
)
612 return FromXFontName(s
);
615 wxString
wxNativeFontInfo::ToUserString() const
617 return GetXFontName();
620 bool wxNativeFontInfo::HasElements() const
622 // we suppose that the foundry is never empty, so if it is it means that we
623 // had never parsed the XLFD
624 return !fontElements
[0].empty();
627 wxString
wxNativeFontInfo::GetXFontComponent(wxXLFDField field
) const
629 wxCHECK_MSG( field
< wxXLFD_MAX
, wxEmptyString
, wxT("invalid XLFD field") );
631 if ( !HasElements() )
633 if ( !const_cast<wxNativeFontInfo
*>(this)->FromXFontName(xFontName
) )
634 return wxEmptyString
;
637 return fontElements
[field
];
640 bool wxNativeFontInfo::FromXFontName(const wxString
& fontname
)
642 // TODO: we should be able to handle the font aliases here, but how?
643 wxStringTokenizer
tokenizer(fontname
, wxT("-"));
645 // skip the leading, usually empty field (font name registry)
646 if ( !tokenizer
.HasMoreTokens() )
649 (void)tokenizer
.GetNextToken();
651 for ( size_t n
= 0; n
< WXSIZEOF(fontElements
); n
++ )
653 if ( !tokenizer
.HasMoreTokens() )
655 // not enough elements in the XLFD - or maybe an alias
659 wxString field
= tokenizer
.GetNextToken();
660 if ( !field
.empty() && field
!= wxT('*') )
662 // we're really initialized now
666 fontElements
[n
] = field
;
669 // this should be all
670 if ( tokenizer
.HasMoreTokens() )
676 wxString
wxNativeFontInfo::GetXFontName() const
678 if ( xFontName
.empty() )
680 for ( size_t n
= 0; n
< WXSIZEOF(fontElements
); n
++ )
682 // replace the non specified elements with '*' except for the
683 // additional style which is usually just omitted
684 wxString elt
= fontElements
[n
];
685 if ( elt
.empty() && n
!= wxXLFD_ADDSTYLE
)
690 const_cast<wxNativeFontInfo
*>(this)->xFontName
<< wxT('-') << elt
;
698 wxNativeFontInfo::SetXFontComponent(wxXLFDField field
, const wxString
& value
)
700 wxCHECK_RET( field
< wxXLFD_MAX
, wxT("invalid XLFD field") );
702 // this class should be initialized with a valid font spec first and only
703 // then the fields may be modified!
704 wxASSERT_MSG( !IsDefault(), wxT("can't modify an uninitialized XLFD") );
706 if ( !HasElements() )
708 if ( !const_cast<wxNativeFontInfo
*>(this)->FromXFontName(xFontName
) )
710 wxFAIL_MSG( wxT("can't set font element for invalid XLFD") );
716 fontElements
[field
] = value
;
718 // invalidate the XFLD, it doesn't correspond to the font elements any more
722 void wxNativeFontInfo::SetXFontName(const wxString
& xFontName_
)
724 // invalidate the font elements, GetXFontComponent() will reparse the XLFD
725 fontElements
[0].clear();
727 xFontName
= xFontName_
;
732 int wxNativeFontInfo::GetPointSize() const
734 const wxString s
= GetXFontComponent(wxXLFD_POINTSIZE
);
736 // return -1 to indicate that the size is unknown
738 return s
.ToLong(&l
) ? l
: -1;
741 wxFontStyle
wxNativeFontInfo::GetStyle() const
743 const wxString s
= GetXFontComponent(wxXLFD_SLANT
);
745 if ( s
.length() != 1 )
747 // it is really unknown but we don't have any way to return it from
749 return wxFONTSTYLE_NORMAL
;
752 switch ( s
[0].GetValue() )
755 // again, unknown but consider normal by default
758 return wxFONTSTYLE_NORMAL
;
761 return wxFONTSTYLE_ITALIC
;
764 return wxFONTSTYLE_SLANT
;
768 wxFontWeight
wxNativeFontInfo::GetWeight() const
770 const wxString s
= GetXFontComponent(wxXLFD_WEIGHT
).MakeLower();
771 if ( s
.find(wxT("bold")) != wxString::npos
|| s
== wxT("black") )
772 return wxFONTWEIGHT_BOLD
;
773 else if ( s
== wxT("light") )
774 return wxFONTWEIGHT_LIGHT
;
776 return wxFONTWEIGHT_NORMAL
;
779 bool wxNativeFontInfo::GetUnderlined() const
781 // X fonts are never underlined
785 wxString
wxNativeFontInfo::GetFaceName() const
787 // wxWidgets facename probably more accurately corresponds to X family
788 return GetXFontComponent(wxXLFD_FAMILY
);
791 wxFontFamily
wxNativeFontInfo::GetFamily() const
793 // and wxWidgets family -- to X foundry, but we have to translate it to
794 // wxFontFamily somehow...
795 wxFAIL_MSG(wxT("not implemented")); // GetXFontComponent(wxXLFD_FOUNDRY);
797 return wxFONTFAMILY_DEFAULT
;
800 wxFontEncoding
wxNativeFontInfo::GetEncoding() const
802 // we already have the code for this but need to refactor it first
803 wxFAIL_MSG( wxT("not implemented") );
805 return wxFONTENCODING_MAX
;
808 void wxNativeFontInfo::SetPointSize(int pointsize
)
810 SetXFontComponent(wxXLFD_POINTSIZE
, wxString::Format(wxT("%d"), pointsize
));
813 void wxNativeFontInfo::SetStyle(wxFontStyle style
)
818 case wxFONTSTYLE_ITALIC
:
822 case wxFONTSTYLE_SLANT
:
826 case wxFONTSTYLE_NORMAL
:
830 wxFAIL_MSG( wxT("unknown wxFontStyle in wxNativeFontInfo::SetStyle") );
834 SetXFontComponent(wxXLFD_SLANT
, s
);
837 void wxNativeFontInfo::SetWeight(wxFontWeight weight
)
842 case wxFONTWEIGHT_BOLD
:
846 case wxFONTWEIGHT_LIGHT
:
850 case wxFONTWEIGHT_NORMAL
:
855 wxFAIL_MSG( wxT("unknown wxFontWeight in wxNativeFontInfo::SetWeight") );
859 SetXFontComponent(wxXLFD_WEIGHT
, s
);
862 void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined
))
864 // can't do this under X
867 void wxNativeFontInfo::SetStrikethrough(bool WXUNUSED(strikethrough
))
869 // this is not supported by Pango fonts neither
872 bool wxNativeFontInfo::SetFaceName(const wxString
& facename
)
874 SetXFontComponent(wxXLFD_FAMILY
, facename
);
878 void wxNativeFontInfo::SetFamily(wxFontFamily
WXUNUSED(family
))
880 // wxFontFamily -> X foundry, anyone?
881 wxFAIL_MSG( wxT("not implemented") );
883 // SetXFontComponent(wxXLFD_FOUNDRY, ...);
886 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding
)
888 wxNativeEncodingInfo info
;
889 if ( wxGetNativeFontEncoding(encoding
, &info
) )
891 SetXFontComponent(wxXLFD_ENCODING
, info
.xencoding
);
892 SetXFontComponent(wxXLFD_REGISTRY
, info
.xregistry
);
896 // ----------------------------------------------------------------------------
898 // ----------------------------------------------------------------------------
900 bool wxGetNativeFontEncoding(wxFontEncoding encoding
,
901 wxNativeEncodingInfo
*info
)
903 wxCHECK_MSG( info
, false, wxT("bad pointer in wxGetNativeFontEncoding") );
905 if ( encoding
== wxFONTENCODING_DEFAULT
)
907 encoding
= wxFont::GetDefaultEncoding();
912 case wxFONTENCODING_ISO8859_1
:
913 case wxFONTENCODING_ISO8859_2
:
914 case wxFONTENCODING_ISO8859_3
:
915 case wxFONTENCODING_ISO8859_4
:
916 case wxFONTENCODING_ISO8859_5
:
917 case wxFONTENCODING_ISO8859_6
:
918 case wxFONTENCODING_ISO8859_7
:
919 case wxFONTENCODING_ISO8859_8
:
920 case wxFONTENCODING_ISO8859_9
:
921 case wxFONTENCODING_ISO8859_10
:
922 case wxFONTENCODING_ISO8859_11
:
923 case wxFONTENCODING_ISO8859_12
:
924 case wxFONTENCODING_ISO8859_13
:
925 case wxFONTENCODING_ISO8859_14
:
926 case wxFONTENCODING_ISO8859_15
:
928 int cp
= encoding
- wxFONTENCODING_ISO8859_1
+ 1;
929 info
->xregistry
= wxT("iso8859");
930 info
->xencoding
.Printf(wxT("%d"), cp
);
934 case wxFONTENCODING_UTF8
:
935 info
->xregistry
= wxT("iso10646");
936 info
->xencoding
= wxT("*");
939 case wxFONTENCODING_GB2312
:
940 info
->xregistry
= wxT("GB2312"); // or the otherway round?
941 info
->xencoding
= wxT("*");
944 case wxFONTENCODING_KOI8
:
945 case wxFONTENCODING_KOI8_U
:
946 info
->xregistry
= wxT("koi8");
948 // we don't make distinction between koi8-r, koi8-u and koi8-ru (so far)
949 info
->xencoding
= wxT("*");
952 case wxFONTENCODING_CP1250
:
953 case wxFONTENCODING_CP1251
:
954 case wxFONTENCODING_CP1252
:
955 case wxFONTENCODING_CP1253
:
956 case wxFONTENCODING_CP1254
:
957 case wxFONTENCODING_CP1255
:
958 case wxFONTENCODING_CP1256
:
959 case wxFONTENCODING_CP1257
:
961 int cp
= encoding
- wxFONTENCODING_CP1250
+ 1250;
962 info
->xregistry
= wxT("microsoft");
963 info
->xencoding
.Printf(wxT("cp%d"), cp
);
967 case wxFONTENCODING_EUC_JP
:
968 case wxFONTENCODING_SHIFT_JIS
:
969 info
->xregistry
= "jis*";
970 info
->xencoding
= "*";
973 case wxFONTENCODING_SYSTEM
:
975 info
->xencoding
= wxT("*");
979 // don't know how to translate this encoding into X fontspec
983 info
->encoding
= encoding
;
988 bool wxTestFontEncoding(const wxNativeEncodingInfo
& info
)
991 fontspec
.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-%s-%s"),
992 !info
.facename
? wxT("*") : info
.facename
.c_str(),
993 info
.xregistry
.c_str(),
994 info
.xencoding
.c_str());
996 return wxTestFontSpec(fontspec
);
999 // ----------------------------------------------------------------------------
1000 // X-specific functions
1001 // ----------------------------------------------------------------------------
1003 wxNativeFont
wxLoadQueryNearestFont(int pointSize
,
1008 const wxString
&facename
,
1009 wxFontEncoding encoding
,
1010 wxString
* xFontName
)
1012 if ( encoding
== wxFONTENCODING_DEFAULT
)
1014 encoding
= wxFont::GetDefaultEncoding();
1017 // first determine the encoding - if the font doesn't exist at all in this
1018 // encoding, it's useless to do all other approximations (i.e. size,
1019 // family &c don't matter much)
1020 wxNativeEncodingInfo info
;
1021 if ( encoding
== wxFONTENCODING_SYSTEM
)
1023 // This will always work so we don't test to save time
1024 wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM
, &info
);
1028 if ( !wxGetNativeFontEncoding(encoding
, &info
) ||
1029 !wxTestFontEncoding(info
) )
1032 if ( !wxFontMapper::Get()->GetAltForEncoding(encoding
, &info
) )
1033 #endif // wxUSE_FONTMAP
1035 // unspported encoding - replace it with the default
1037 // NB: we can't just return 0 from here because wxGTK code doesn't
1038 // check for it (i.e. it supposes that we'll always succeed),
1039 // so it would provoke a crash
1040 wxGetNativeFontEncoding(wxFONTENCODING_SYSTEM
, &info
);
1045 // OK, we have the correct xregistry/xencoding in info structure
1046 wxNativeFont font
= 0;
1048 // if we already have the X font name, try to use it
1049 if( xFontName
&& !xFontName
->empty() )
1052 // Make sure point size is correct for scale factor.
1054 wxStringTokenizer
tokenizer(*xFontName
, wxT("-"), wxTOKEN_RET_DELIMS
);
1055 wxString newFontName
;
1057 for(int i
= 0; i
< 8; i
++)
1058 newFontName
+= tokenizer
.NextToken();
1060 (void) tokenizer
.NextToken();
1062 newFontName
+= wxString::Format(wxT("%d-"), pointSize
);
1064 while(tokenizer
.HasMoreTokens())
1065 newFontName
+= tokenizer
.GetNextToken();
1067 font
= wxLoadFont(newFontName
);
1070 *xFontName
= newFontName
;
1075 // search up and down by stepsize 10
1076 int max_size
= pointSize
+ 20 * (1 + (pointSize
/180));
1077 int min_size
= pointSize
- 20 * (1 + (pointSize
/180));
1079 int i
, round
; // counters
1081 // first round: search for equal, then for smaller and for larger size
1082 // with the given weight and style
1083 int testweight
= weight
;
1084 int teststyle
= style
;
1086 for ( round
= 0; round
< 3; round
++ )
1088 // second round: use normal weight
1091 if ( testweight
!= wxNORMAL
)
1093 testweight
= wxNORMAL
;
1097 ++round
; // fall through to third round
1101 // third round: ... and use normal style
1104 if ( teststyle
!= wxNORMAL
)
1106 teststyle
= wxNORMAL
;
1113 // Search for equal or smaller size (approx.)
1114 for ( i
= pointSize
; !font
&& i
>= 10 && i
>= min_size
; i
-= 10 )
1116 font
= wxLoadQueryFont(i
, family
, teststyle
, testweight
, underlined
,
1117 facename
, info
.xregistry
, info
.xencoding
,
1121 // Search for larger size (approx.)
1122 for ( i
= pointSize
+ 10; !font
&& i
<= max_size
; i
+= 10 )
1124 font
= wxLoadQueryFont(i
, family
, teststyle
, testweight
, underlined
,
1125 facename
, info
.xregistry
, info
.xencoding
,
1130 // Try default family
1131 if ( !font
&& family
!= wxDEFAULT
)
1133 font
= wxLoadQueryFont(pointSize
, wxDEFAULT
, style
, weight
,
1134 underlined
, facename
,
1135 info
.xregistry
, info
.xencoding
,
1139 // ignore size, family, style and weight but try to find font with the
1140 // given facename and encoding
1143 font
= wxLoadQueryFont(120, wxDEFAULT
, wxNORMAL
, wxNORMAL
,
1144 underlined
, facename
,
1145 info
.xregistry
, info
.xencoding
,
1148 // ignore family as well
1151 font
= wxLoadQueryFont(120, wxDEFAULT
, wxNORMAL
, wxNORMAL
,
1152 underlined
, wxEmptyString
,
1153 info
.xregistry
, info
.xencoding
,
1156 // if it still failed, try to get the font of any size but
1157 // with the requested encoding: this can happen if the
1158 // encoding is only available in one size which happens to be
1159 // different from 120
1162 font
= wxLoadQueryFont(-1, wxDEFAULT
, wxNORMAL
, wxNORMAL
,
1163 false, wxEmptyString
,
1164 info
.xregistry
, info
.xencoding
,
1167 // this should never happen as we had tested for it in the
1168 // very beginning, but if it does, do return something non
1169 // NULL or we'd crash in wxFont code
1172 wxFAIL_MSG( wxT("this encoding should be available!") );
1174 font
= wxLoadQueryFont(-1,
1175 wxDEFAULT
, wxNORMAL
, wxNORMAL
,
1176 false, wxEmptyString
,
1188 // ----------------------------------------------------------------------------
1189 // private functions
1190 // ----------------------------------------------------------------------------
1192 // returns true if there are any fonts matching this font spec
1193 static bool wxTestFontSpec(const wxString
& fontspec
)
1195 // some X servers will fail to load this font because there are too many
1196 // matches so we must test explicitly for this
1197 if ( fontspec
== wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
1202 wxNativeFont test
= (wxNativeFont
) g_fontHash
->Get( fontspec
);
1208 test
= wxLoadFont(fontspec
);
1209 g_fontHash
->Put( fontspec
, (wxObject
*) test
);
1223 static wxNativeFont
wxLoadQueryFont(int pointSize
,
1227 bool WXUNUSED(underlined
),
1228 const wxString
& facename
,
1229 const wxString
& xregistry
,
1230 const wxString
& xencoding
,
1231 wxString
* xFontName
)
1236 case wxDECORATIVE
: xfamily
= wxT("lucida"); break;
1237 case wxROMAN
: xfamily
= wxT("times"); break;
1238 case wxMODERN
: xfamily
= wxT("courier"); break;
1239 case wxSWISS
: xfamily
= wxT("helvetica"); break;
1240 case wxTELETYPE
: xfamily
= wxT("lucidatypewriter"); break;
1241 case wxSCRIPT
: xfamily
= wxT("utopia"); break;
1242 default: xfamily
= wxT("*");
1250 xweight
= MWLF_WEIGHT_BOLD
;
1255 xweight
= MWLF_WEIGHT_LIGHT
;
1260 xweight
= MWLF_WEIGHT_NORMAL
;
1266 xweight
= MWLF_WEIGHT_DEFAULT
;
1270 GR_SCREEN_INFO screenInfo
;
1271 GrGetScreenInfo(& screenInfo
);
1273 int yPixelsPerCM
= screenInfo
.ydpcm
;
1275 // A point is 1/72 of an inch.
1276 // An inch is 2.541 cm.
1277 // So pixelHeight = (pointSize / 72) (inches) * 2.541 (for cm) * yPixelsPerCM (for pixels)
1278 // In fact pointSize is 10 * the normal point size so
1281 int pixelHeight
= (int) ( (((float)pointSize
) / 720.0) * 2.541 * (float) yPixelsPerCM
) ;
1283 // An alternative: assume that the screen is 72 dpi.
1284 //int pixelHeight = (int) (((float)pointSize / 720.0) * 72.0) ;
1285 //int pixelHeight = (int) ((float)pointSize / 10.0) ;
1288 logFont
.lfHeight
= pixelHeight
;
1289 logFont
.lfWidth
= 0;
1290 logFont
.lfEscapement
= 0;
1291 logFont
.lfOrientation
= 0;
1292 logFont
.lfWeight
= xweight
;
1293 logFont
.lfItalic
= (style
== wxNORMAL
? 0 : 1) ;
1294 logFont
.lfUnderline
= 0;
1295 logFont
.lfStrikeOut
= 0;
1296 logFont
.lfCharSet
= MWLF_CHARSET_DEFAULT
; // TODO: select appropriate one
1297 logFont
.lfOutPrecision
= MWLF_TYPE_DEFAULT
;
1298 logFont
.lfClipPrecision
= 0; // Not used
1299 logFont
.lfRoman
= (family
== wxROMAN
? 1 : 0) ;
1300 logFont
.lfSerif
= (family
== wxSWISS
? 0 : 1) ;
1301 logFont
.lfSansSerif
= !logFont
.lfSerif
;
1302 logFont
.lfModern
= (family
== wxMODERN
? 1 : 0) ;
1303 logFont
.lfProportional
= (family
== wxTELETYPE
? 0 : 1) ;
1304 logFont
.lfOblique
= 0;
1305 logFont
.lfSmallCaps
= 0;
1306 logFont
.lfPitch
= 0; // 0 = default
1307 strcpy(logFont
.lfFaceName
, facename
.c_str());
1309 XFontStruct
* fontInfo
= (XFontStruct
*) malloc(sizeof(XFontStruct
));
1310 fontInfo
->fid
= GrCreateFont((GR_CHAR
*) facename
.c_str(), pixelHeight
, & logFont
);
1311 GrGetFontInfo(fontInfo
->fid
, & fontInfo
->info
);
1312 return (wxNativeFont
) fontInfo
;
1316 if (!facename
.empty())
1318 fontSpec
.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
1321 if ( wxTestFontSpec(fontSpec
) )
1325 //else: no such family, use default one instead
1332 fontSpec
.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
1334 if ( wxTestFontSpec(fontSpec
) )
1339 // fall through - try wxITALIC now
1342 fontSpec
.Printf(wxT("-*-%s-*-i-*-*-*-*-*-*-*-*-*-*"),
1344 if ( wxTestFontSpec(fontSpec
) )
1348 else if ( style
== wxITALIC
) // and not wxSLANT
1351 fontSpec
.Printf(wxT("-*-%s-*-o-*-*-*-*-*-*-*-*-*-*"),
1353 if ( wxTestFontSpec(fontSpec
) )
1359 // no italic, no slant - leave default
1366 wxFAIL_MSG(wxT("unknown font style"));
1367 // fall back to normal
1379 fontSpec
.Printf(wxT("-*-%s-bold-*-*-*-*-*-*-*-*-*-*-*"),
1381 if ( wxTestFontSpec(fontSpec
) )
1383 xweight
= wxT("bold");
1386 fontSpec
.Printf(wxT("-*-%s-heavy-*-*-*-*-*-*-*-*-*-*-*"),
1388 if ( wxTestFontSpec(fontSpec
) )
1390 xweight
= wxT("heavy");
1393 fontSpec
.Printf(wxT("-*-%s-extrabold-*-*-*-*-*-*-*-*-*-*-*"),
1395 if ( wxTestFontSpec(fontSpec
) )
1397 xweight
= wxT("extrabold");
1400 fontSpec
.Printf(wxT("-*-%s-demibold-*-*-*-*-*-*-*-*-*-*-*"),
1402 if ( wxTestFontSpec(fontSpec
) )
1404 xweight
= wxT("demibold");
1407 fontSpec
.Printf(wxT("-*-%s-black-*-*-*-*-*-*-*-*-*-*-*"),
1409 if ( wxTestFontSpec(fontSpec
) )
1411 xweight
= wxT("black");
1414 fontSpec
.Printf(wxT("-*-%s-ultrablack-*-*-*-*-*-*-*-*-*-*-*"),
1416 if ( wxTestFontSpec(fontSpec
) )
1418 xweight
= wxT("ultrablack");
1425 fontSpec
.Printf(wxT("-*-%s-light-*-*-*-*-*-*-*-*-*-*-*"),
1427 if ( wxTestFontSpec(fontSpec
) )
1429 xweight
= wxT("light");
1432 fontSpec
.Printf(wxT("-*-%s-thin-*-*-*-*-*-*-*-*-*-*-*"),
1434 if ( wxTestFontSpec(fontSpec
) )
1436 xweight
= wxT("thin");
1443 fontSpec
.Printf(wxT("-*-%s-medium-*-*-*-*-*-*-*-*-*-*-*"),
1445 if ( wxTestFontSpec(fontSpec
) )
1447 xweight
= wxT("medium");
1450 fontSpec
.Printf(wxT("-*-%s-normal-*-*-*-*-*-*-*-*-*-*-*"),
1452 if ( wxTestFontSpec(fontSpec
) )
1454 xweight
= wxT("normal");
1457 fontSpec
.Printf(wxT("-*-%s-regular-*-*-*-*-*-*-*-*-*-*-*"),
1459 if ( wxTestFontSpec(fontSpec
) )
1461 xweight
= wxT("regular");
1467 default: xweight
= wxT("*"); break;
1470 // if pointSize is -1, don't specify any
1472 if ( pointSize
== -1 )
1474 sizeSpec
= wxT('*');
1478 sizeSpec
.Printf(wxT("%d"), pointSize
);
1481 // construct the X font spec from our data
1482 fontSpec
.Printf(wxT("-*-%s-%s-%s-normal-*-*-%s-*-*-*-*-%s-%s"),
1483 xfamily
.c_str(), xweight
.c_str(), xstyle
.c_str(),
1484 sizeSpec
.c_str(), xregistry
.c_str(), xencoding
.c_str());
1487 *xFontName
= fontSpec
;
1489 return wxLoadFont(fontSpec
);
1494 // ----------------------------------------------------------------------------
1496 // ----------------------------------------------------------------------------
1498 class wxFontModule
: public wxModule
1505 DECLARE_DYNAMIC_CLASS(wxFontModule
)
1508 IMPLEMENT_DYNAMIC_CLASS(wxFontModule
, wxModule
)
1510 bool wxFontModule::OnInit()
1512 g_fontHash
= new wxHashTable( wxKEY_STRING
);
1517 void wxFontModule::OnExit()
1519 wxDELETE(g_fontHash
);
1522 #endif // GTK 2.0/1.x