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d111a89a VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: src/unix/fontenum.cpp | |
3 | // Purpose: wxFontEnumerator class for X11/GDK | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 01.10.99 | |
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 | #ifdef __GNUG__ | |
21 | #pragma implementation "fontenum.h" | |
22 | #endif | |
23 | ||
24 | #include "wx/defs.h" | |
25 | #include "wx/dynarray.h" | |
26 | #include "wx/string.h" | |
6fea4a7a | 27 | #include "wx/regex.h" |
d111a89a VZ |
28 | #include "wx/utils.h" |
29 | ||
79e4b627 | 30 | #include "wx/fontmap.h" |
d111a89a | 31 | #include "wx/fontenum.h" |
7beba2fc | 32 | #include "wx/fontutil.h" |
d111a89a | 33 | |
3fa056ab JJ |
34 | #ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++ |
35 | // The resulting warnings are switched off here | |
36 | #pragma message disable nosimpint | |
37 | #endif | |
d111a89a | 38 | #include <X11/Xlib.h> |
3fa056ab JJ |
39 | #ifdef __VMS__ |
40 | #pragma message enable nosimpint | |
41 | #endif | |
d111a89a VZ |
42 | |
43 | // ---------------------------------------------------------------------------- | |
44 | // private functions | |
45 | // ---------------------------------------------------------------------------- | |
46 | ||
36f210c8 VZ |
47 | // create the list of all fonts with the given spacing and encoding |
48 | static char **CreateFontList(wxChar spacing, wxFontEncoding encoding, | |
49 | int *nFonts); | |
d111a89a VZ |
50 | |
51 | // extract all font families from the given font list and call our | |
3c1866e8 | 52 | // OnFacename() for each of them |
d111a89a VZ |
53 | static bool ProcessFamiliesFromFontList(wxFontEnumerator *This, |
54 | char **fonts, | |
55 | int nFonts); | |
56 | ||
57 | ||
58 | // ---------------------------------------------------------------------------- | |
59 | // private types | |
60 | // ---------------------------------------------------------------------------- | |
61 | ||
62 | // ============================================================================ | |
63 | // implementation | |
64 | // ============================================================================ | |
65 | ||
66 | // ---------------------------------------------------------------------------- | |
67 | // helpers | |
68 | // ---------------------------------------------------------------------------- | |
69 | ||
461e93f9 | 70 | #if !wxUSE_NANOX |
36f210c8 VZ |
71 | static char **CreateFontList(wxChar spacing, |
72 | wxFontEncoding encoding, | |
73 | int *nFonts) | |
d111a89a | 74 | { |
7beba2fc VZ |
75 | wxNativeEncodingInfo info; |
76 | wxGetNativeFontEncoding(encoding, &info); | |
36f210c8 | 77 | |
1e6feb95 | 78 | #if wxUSE_FONTMAP |
79e4b627 VZ |
79 | if ( !wxTestFontEncoding(info) ) |
80 | { | |
81 | // ask font mapper for a replacement | |
82 | (void)wxTheFontMapper->GetAltForEncoding(encoding, &info); | |
83 | } | |
1e6feb95 | 84 | #endif // wxUSE_FONTMAP |
79e4b627 | 85 | |
d111a89a | 86 | wxString pattern; |
36f210c8 | 87 | pattern.Printf(wxT("-*-*-*-*-*-*-*-*-*-*-%c-*-%s-%s"), |
7beba2fc VZ |
88 | spacing, |
89 | info.xregistry.c_str(), | |
90 | info.xencoding.c_str()); | |
d111a89a VZ |
91 | |
92 | // get the list of all fonts | |
7dd62924 | 93 | return XListFonts((Display *)wxGetDisplay(), pattern.mb_str(), 32767, nFonts); |
d111a89a VZ |
94 | } |
95 | ||
96 | static bool ProcessFamiliesFromFontList(wxFontEnumerator *This, | |
97 | char **fonts, | |
98 | int nFonts) | |
99 | { | |
f1d7cbac VZ |
100 | #if wxUSE_REGEX |
101 | wxRegEx re(wxT("^(-[^-]*){14}$"), wxRE_NOSUB); | |
102 | #endif // wxUSE_REGEX | |
103 | ||
d111a89a VZ |
104 | // extract the list of (unique) font families |
105 | wxSortedArrayString families; | |
106 | for ( int n = 0; n < nFonts; n++ ) | |
107 | { | |
108 | char *font = fonts[n]; | |
f1d7cbac | 109 | #if wxUSE_REGEX |
32a2fbc8 | 110 | if ( !re.Matches(font) ) |
f1d7cbac | 111 | #else // !wxUSE_REGEX |
7dd62924 | 112 | if ( !wxString(font).Matches(wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*")) ) |
f1d7cbac | 113 | #endif // wxUSE_REGEX/!wxUSE_REGEX |
d111a89a VZ |
114 | { |
115 | // it's not a full font name (probably an alias) | |
116 | continue; | |
117 | } | |
3c1866e8 | 118 | |
d111a89a VZ |
119 | char *dash = strchr(font + 1, '-'); |
120 | char *family = dash + 1; | |
121 | dash = strchr(family, '-'); | |
122 | *dash = '\0'; // !NULL because Matches() above succeeded | |
7dd62924 | 123 | wxString fam(family); |
d111a89a | 124 | |
7dd62924 | 125 | if ( families.Index(fam) == wxNOT_FOUND ) |
d111a89a | 126 | { |
3c1866e8 | 127 | if ( !This->OnFacename(fam) ) |
d111a89a VZ |
128 | { |
129 | // stop enumerating | |
130 | return FALSE; | |
131 | } | |
132 | ||
7dd62924 | 133 | families.Add(fam); |
d111a89a VZ |
134 | } |
135 | //else: already seen | |
136 | } | |
137 | ||
138 | return TRUE; | |
139 | } | |
461e93f9 JS |
140 | #endif |
141 | // wxUSE_NANOX | |
d111a89a VZ |
142 | |
143 | // ---------------------------------------------------------------------------- | |
144 | // wxFontEnumerator | |
145 | // ---------------------------------------------------------------------------- | |
146 | ||
3c1866e8 VZ |
147 | bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding, |
148 | bool fixedWidthOnly) | |
d111a89a | 149 | { |
461e93f9 JS |
150 | #if wxUSE_NANOX |
151 | return FALSE; | |
152 | #else | |
d111a89a VZ |
153 | int nFonts; |
154 | char **fonts; | |
155 | ||
156 | if ( fixedWidthOnly ) | |
157 | { | |
158 | bool cont = TRUE; | |
36f210c8 | 159 | fonts = CreateFontList(wxT('m'), encoding, &nFonts); |
d111a89a VZ |
160 | if ( fonts ) |
161 | { | |
162 | cont = ProcessFamiliesFromFontList(this, fonts, nFonts); | |
163 | ||
164 | XFreeFontNames(fonts); | |
165 | } | |
166 | ||
167 | if ( !cont ) | |
168 | { | |
169 | return TRUE; | |
170 | } | |
171 | ||
36f210c8 | 172 | fonts = CreateFontList(wxT('c'), encoding, &nFonts); |
d111a89a VZ |
173 | if ( !fonts ) |
174 | { | |
175 | return TRUE; | |
176 | } | |
177 | } | |
178 | else | |
179 | { | |
36f210c8 | 180 | fonts = CreateFontList(wxT('*'), encoding, &nFonts); |
d111a89a VZ |
181 | |
182 | if ( !fonts ) | |
183 | { | |
36f210c8 VZ |
184 | // it's ok if there are no fonts in given encoding - but it's not |
185 | // ok if there are no fonts at all | |
186 | wxASSERT_MSG(encoding != wxFONTENCODING_SYSTEM, | |
187 | wxT("No fonts at all on this system?")); | |
d111a89a VZ |
188 | |
189 | return FALSE; | |
190 | } | |
191 | } | |
192 | ||
193 | (void)ProcessFamiliesFromFontList(this, fonts, nFonts); | |
194 | ||
195 | XFreeFontNames(fonts); | |
d111a89a | 196 | return TRUE; |
461e93f9 JS |
197 | #endif |
198 | // wxUSE_NANOX | |
d111a89a VZ |
199 | } |
200 | ||
201 | bool wxFontEnumerator::EnumerateEncodings(const wxString& family) | |
202 | { | |
461e93f9 JS |
203 | #if wxUSE_NANOX |
204 | return FALSE; | |
205 | #else | |
d111a89a VZ |
206 | wxString pattern; |
207 | pattern.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-*-*"), | |
208 | family.IsEmpty() ? wxT("*") : family.c_str()); | |
209 | ||
210 | // get the list of all fonts | |
211 | int nFonts; | |
7dd62924 | 212 | char **fonts = XListFonts((Display *)wxGetDisplay(), pattern.mb_str(), |
d111a89a VZ |
213 | 32767, &nFonts); |
214 | ||
215 | if ( !fonts ) | |
216 | { | |
217 | // unknown family? | |
218 | return FALSE; | |
219 | } | |
220 | ||
221 | // extract the list of (unique) encodings | |
222 | wxSortedArrayString encodings; | |
223 | for ( int n = 0; n < nFonts; n++ ) | |
224 | { | |
225 | char *font = fonts[n]; | |
7dd62924 | 226 | if ( !wxString(font).Matches(wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*")) ) |
d111a89a VZ |
227 | { |
228 | // it's not a full font name (probably an alias) | |
229 | continue; | |
230 | } | |
231 | ||
232 | // extract the family | |
233 | char *dash = strchr(font + 1, '-'); | |
234 | char *familyFont = dash + 1; | |
235 | dash = strchr(familyFont, '-'); | |
236 | *dash = '\0'; // !NULL because Matches() above succeeded | |
237 | ||
238 | if ( !family.IsEmpty() && (family != familyFont) ) | |
239 | { | |
240 | // family doesn't match | |
241 | continue; | |
242 | } | |
243 | ||
244 | // now extract the registry/encoding | |
245 | char *p = dash + 1; // just after the dash after family | |
246 | dash = strrchr(p, '-'); | |
247 | ||
248 | wxString registry(dash + 1); | |
249 | *dash = '\0'; | |
250 | ||
251 | dash = strrchr(p, '-'); | |
252 | wxString encoding(dash + 1); | |
253 | ||
254 | encoding << wxT('-') << registry; | |
255 | if ( encodings.Index(encoding) == wxNOT_FOUND ) | |
256 | { | |
257 | if ( !OnFontEncoding(familyFont, encoding) ) | |
258 | { | |
259 | break; | |
260 | } | |
261 | ||
262 | encodings.Add(encoding); | |
263 | } | |
264 | //else: already had this one | |
265 | } | |
266 | ||
267 | XFreeFontNames(fonts); | |
268 | ||
269 | return TRUE; | |
461e93f9 JS |
270 | #endif |
271 | // wxUSE_NANOX | |
d111a89a | 272 | } |