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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: gtk/settings.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "settings.h" | |
13 | #endif | |
14 | ||
15 | #include "wx/settings.h" | |
16 | #include "wx/debug.h" | |
17 | #include "wx/module.h" | |
18 | #include "wx/cmndata.h" | |
19 | #include "wx/fontutil.h" | |
20 | ||
21 | #include <gdk/gdk.h> | |
22 | #include <gdk/gdkprivate.h> | |
23 | #include <gtk/gtk.h> | |
24 | ||
25 | #define SHIFT (8*(sizeof(short int)-sizeof(char))) | |
26 | ||
27 | //wxColour *g_systemWinColour = (wxColour *) NULL; | |
28 | wxColour *g_systemBtnFaceColour = (wxColour *) NULL; | |
29 | wxColour *g_systemBtnShadowColour = (wxColour *) NULL; | |
30 | wxColour *g_systemBtnHighlightColour = (wxColour *) NULL; | |
31 | wxColour *g_systemHighlightColour = (wxColour *) NULL; | |
32 | wxColour *g_systemHighlightTextColour = (wxColour *) NULL; | |
33 | wxColour *g_systemListBoxColour = (wxColour *) NULL; | |
34 | wxColour *g_systemBtnTextColour = (wxColour *) NULL; | |
35 | ||
36 | wxFont *g_systemFont = (wxFont *) NULL; | |
37 | ||
38 | // ---------------------------------------------------------------------------- | |
39 | // wxSystemSettingsModule | |
40 | // ---------------------------------------------------------------------------- | |
41 | ||
42 | class wxSystemSettingsModule : public wxModule | |
43 | { | |
44 | public: | |
45 | bool OnInit() { return TRUE; } | |
46 | void OnExit() | |
47 | { | |
48 | //delete g_systemWinColour; | |
49 | delete g_systemBtnFaceColour; | |
50 | delete g_systemBtnShadowColour; | |
51 | delete g_systemBtnHighlightColour; | |
52 | delete g_systemHighlightColour; | |
53 | delete g_systemHighlightTextColour; | |
54 | delete g_systemListBoxColour; | |
55 | delete g_systemFont; | |
56 | delete g_systemBtnTextColour; | |
57 | } | |
58 | DECLARE_DYNAMIC_CLASS(wxSystemSettingsModule) | |
59 | }; | |
60 | ||
61 | IMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule) | |
62 | ||
63 | // ---------------------------------------------------------------------------- | |
64 | // wxSystemSettings implementation | |
65 | // ---------------------------------------------------------------------------- | |
66 | ||
67 | // kind of widget to use in GetColourFromGTKWidget | |
68 | enum wxGtkWidgetType | |
69 | { | |
70 | wxGTK_BUTTON, | |
71 | wxGTK_LIST | |
72 | }; | |
73 | ||
74 | // the colour we need | |
75 | enum wxGtkColourType | |
76 | { | |
77 | wxGTK_FG, | |
78 | wxGTK_BG, | |
79 | wxGTK_BASE | |
80 | }; | |
81 | ||
82 | // wxSystemSettings::GetColour() helper: get the colours from a GTK+ | |
83 | // widget style, return true if we did get them, false to use defaults | |
84 | static bool GetColourFromGTKWidget(int& red, int& green, int& blue, | |
85 | wxGtkWidgetType type = wxGTK_BUTTON, | |
86 | GtkStateType state = GTK_STATE_NORMAL, | |
87 | wxGtkColourType colour = wxGTK_BG) | |
88 | { | |
89 | GtkWidget *widget; | |
90 | switch ( type ) | |
91 | { | |
92 | default: | |
93 | wxFAIL_MSG( _T("unexpected GTK widget type") ); | |
94 | // fall through | |
95 | ||
96 | case wxGTK_BUTTON: | |
97 | widget = gtk_button_new(); | |
98 | break; | |
99 | ||
100 | case wxGTK_LIST: | |
101 | widget = gtk_list_new(); | |
102 | } | |
103 | ||
104 | GtkStyle *def = gtk_rc_get_style( widget ); | |
105 | if ( !def ) | |
106 | def = gtk_widget_get_default_style(); | |
107 | ||
108 | bool ok; | |
109 | if ( def ) | |
110 | { | |
111 | GdkColor *col; | |
112 | switch ( colour ) | |
113 | { | |
114 | default: | |
115 | wxFAIL_MSG( _T("unexpected GTK colour type") ); | |
116 | // fall through | |
117 | ||
118 | case wxGTK_FG: | |
119 | col = def->fg; | |
120 | break; | |
121 | ||
122 | case wxGTK_BG: | |
123 | col = def->bg; | |
124 | break; | |
125 | ||
126 | case wxGTK_BASE: | |
127 | col = def->base; | |
128 | break; | |
129 | } | |
130 | ||
131 | red = col[state].red; | |
132 | green = col[state].green; | |
133 | blue = col[state].blue; | |
134 | ||
135 | ok = TRUE; | |
136 | } | |
137 | else | |
138 | { | |
139 | ok = FALSE; | |
140 | } | |
141 | ||
142 | gtk_widget_destroy( widget ); | |
143 | ||
144 | return ok; | |
145 | } | |
146 | ||
147 | wxColour wxSystemSettingsNative::GetColour( wxSystemColour index ) | |
148 | { | |
149 | switch (index) | |
150 | { | |
151 | case wxSYS_COLOUR_SCROLLBAR: | |
152 | case wxSYS_COLOUR_BACKGROUND: | |
153 | case wxSYS_COLOUR_ACTIVECAPTION: | |
154 | case wxSYS_COLOUR_INACTIVECAPTION: | |
155 | case wxSYS_COLOUR_MENU: | |
156 | case wxSYS_COLOUR_WINDOWFRAME: | |
157 | case wxSYS_COLOUR_ACTIVEBORDER: | |
158 | case wxSYS_COLOUR_INACTIVEBORDER: | |
159 | case wxSYS_COLOUR_BTNFACE: | |
160 | case wxSYS_COLOUR_MENUBAR: | |
161 | case wxSYS_COLOUR_3DLIGHT: | |
162 | if (!g_systemBtnFaceColour) | |
163 | { | |
164 | int red, green, blue; | |
165 | if ( !GetColourFromGTKWidget(red, green, blue) ) | |
166 | { | |
167 | red = | |
168 | green = 0; | |
169 | blue = 0x9c40; | |
170 | } | |
171 | ||
172 | g_systemBtnFaceColour = new wxColour( red >> SHIFT, | |
173 | green >> SHIFT, | |
174 | blue >> SHIFT ); | |
175 | } | |
176 | return *g_systemBtnFaceColour; | |
177 | ||
178 | case wxSYS_COLOUR_WINDOW: | |
179 | return *wxWHITE; | |
180 | ||
181 | case wxSYS_COLOUR_3DDKSHADOW: | |
182 | return *wxBLACK; | |
183 | ||
184 | case wxSYS_COLOUR_GRAYTEXT: | |
185 | case wxSYS_COLOUR_BTNSHADOW: | |
186 | //case wxSYS_COLOUR_3DSHADOW: | |
187 | if (!g_systemBtnShadowColour) | |
188 | { | |
189 | wxColour faceColour(GetColour(wxSYS_COLOUR_3DFACE)); | |
190 | g_systemBtnShadowColour = | |
191 | new wxColour((unsigned char) (faceColour.Red() * 0.666), | |
192 | (unsigned char) (faceColour.Green() * 0.666), | |
193 | (unsigned char) (faceColour.Blue() * 0.666)); | |
194 | } | |
195 | ||
196 | return *g_systemBtnShadowColour; | |
197 | ||
198 | case wxSYS_COLOUR_3DHIGHLIGHT: | |
199 | //case wxSYS_COLOUR_BTNHIGHLIGHT: | |
200 | return * wxWHITE; | |
201 | /* I think this should normally be white (JACS 8/2000) | |
202 | ||
203 | Hmm, I'm quite sure it shouldn't ... (VZ 20.08.01) | |
204 | if (!g_systemBtnHighlightColour) | |
205 | { | |
206 | g_systemBtnHighlightColour = | |
207 | new wxColour( 0xea60 >> SHIFT, | |
208 | 0xea60 >> SHIFT, | |
209 | 0xea60 >> SHIFT ); | |
210 | } | |
211 | return *g_systemBtnHighlightColour; | |
212 | */ | |
213 | ||
214 | case wxSYS_COLOUR_HIGHLIGHT: | |
215 | if (!g_systemHighlightColour) | |
216 | { | |
217 | int red, green, blue; | |
218 | if ( !GetColourFromGTKWidget(red, green, blue, | |
219 | wxGTK_BUTTON, | |
220 | GTK_STATE_SELECTED) ) | |
221 | { | |
222 | red = | |
223 | green = 0; | |
224 | blue = 0x9c40; | |
225 | } | |
226 | ||
227 | g_systemHighlightColour = new wxColour( red >> SHIFT, | |
228 | green >> SHIFT, | |
229 | blue >> SHIFT ); | |
230 | } | |
231 | return *g_systemHighlightColour; | |
232 | ||
233 | case wxSYS_COLOUR_LISTBOX: | |
234 | if (!g_systemListBoxColour) | |
235 | { | |
236 | int red, green, blue; | |
237 | if ( GetColourFromGTKWidget(red, green, blue, | |
238 | wxGTK_LIST, | |
239 | GTK_STATE_NORMAL, | |
240 | wxGTK_BASE) ) | |
241 | { | |
242 | g_systemListBoxColour = new wxColour( red >> SHIFT, | |
243 | green >> SHIFT, | |
244 | blue >> SHIFT ); | |
245 | } | |
246 | else | |
247 | { | |
248 | g_systemListBoxColour = new wxColour(*wxWHITE); | |
249 | } | |
250 | } | |
251 | return *g_systemListBoxColour; | |
252 | ||
253 | case wxSYS_COLOUR_MENUTEXT: | |
254 | case wxSYS_COLOUR_WINDOWTEXT: | |
255 | case wxSYS_COLOUR_CAPTIONTEXT: | |
256 | case wxSYS_COLOUR_INACTIVECAPTIONTEXT: | |
257 | case wxSYS_COLOUR_BTNTEXT: | |
258 | case wxSYS_COLOUR_INFOTEXT: | |
259 | if (!g_systemBtnTextColour) | |
260 | { | |
261 | int red, green, blue; | |
262 | if ( !GetColourFromGTKWidget(red, green, blue, | |
263 | wxGTK_BUTTON, | |
264 | GTK_STATE_NORMAL, | |
265 | wxGTK_FG) ) | |
266 | { | |
267 | red = | |
268 | green = | |
269 | blue = 0; | |
270 | } | |
271 | ||
272 | g_systemBtnTextColour = new wxColour( red >> SHIFT, | |
273 | green >> SHIFT, | |
274 | blue >> SHIFT ); | |
275 | } | |
276 | return *g_systemBtnTextColour; | |
277 | ||
278 | // this (as well as wxSYS_COLOUR_INFOTEXT above) is used for | |
279 | // tooltip windows - Robert, please change this code to use the | |
280 | // real GTK tooltips when/if you can (TODO) | |
281 | case wxSYS_COLOUR_INFOBK: | |
282 | return wxColour(255, 255, 225); | |
283 | ||
284 | case wxSYS_COLOUR_HIGHLIGHTTEXT: | |
285 | if (!g_systemHighlightTextColour) | |
286 | { | |
287 | wxColour hclr = GetColour(wxSYS_COLOUR_HIGHLIGHT); | |
288 | if (hclr.Red() > 200 && hclr.Green() > 200 && hclr.Blue() > 200) | |
289 | g_systemHighlightTextColour = new wxColour(*wxBLACK); | |
290 | else | |
291 | g_systemHighlightTextColour = new wxColour(*wxWHITE); | |
292 | } | |
293 | return *g_systemHighlightTextColour; | |
294 | ||
295 | case wxSYS_COLOUR_APPWORKSPACE: | |
296 | return *wxWHITE; // ? | |
297 | ||
298 | case wxSYS_COLOUR_HOTLIGHT: | |
299 | case wxSYS_COLOUR_GRADIENTACTIVECAPTION: | |
300 | case wxSYS_COLOUR_GRADIENTINACTIVECAPTION: | |
301 | case wxSYS_COLOUR_MENUHILIGHT: | |
302 | // TODO | |
303 | return *wxBLACK; | |
304 | ||
305 | case wxSYS_COLOUR_MAX: | |
306 | default: | |
307 | wxFAIL_MSG( _T("unknown system colour index") ); | |
308 | } | |
309 | ||
310 | return *wxWHITE; | |
311 | } | |
312 | ||
313 | wxFont wxSystemSettingsNative::GetFont( wxSystemFont index ) | |
314 | { | |
315 | switch (index) | |
316 | { | |
317 | case wxSYS_OEM_FIXED_FONT: | |
318 | case wxSYS_ANSI_FIXED_FONT: | |
319 | case wxSYS_SYSTEM_FIXED_FONT: | |
320 | { | |
321 | return *wxNORMAL_FONT; | |
322 | } | |
323 | case wxSYS_ANSI_VAR_FONT: | |
324 | case wxSYS_SYSTEM_FONT: | |
325 | case wxSYS_DEVICE_DEFAULT_FONT: | |
326 | case wxSYS_DEFAULT_GUI_FONT: | |
327 | { | |
328 | if (!g_systemFont) | |
329 | { | |
330 | #ifdef __WXGTK20__ | |
331 | GtkWidget *widget = gtk_button_new(); | |
332 | GtkStyle *def = gtk_rc_get_style( widget ); | |
333 | if (!def) | |
334 | def = gtk_widget_get_default_style(); | |
335 | if (def) | |
336 | { | |
337 | wxNativeFontInfo info; | |
338 | info.description = def->font_desc; | |
339 | g_systemFont = new wxFont(info); | |
340 | } | |
341 | else | |
342 | { | |
343 | const gchar *font_name = | |
344 | _gtk_rc_context_get_default_font_name(gtk_settings_get_default()); | |
345 | g_systemFont = new wxFont(wxString::FromAscii(font_name)); | |
346 | } | |
347 | gtk_widget_destroy( widget ); | |
348 | #else | |
349 | g_systemFont = new wxFont( 12, wxSWISS, wxNORMAL, wxNORMAL ); | |
350 | #endif | |
351 | } | |
352 | return *g_systemFont; | |
353 | } | |
354 | ||
355 | default: | |
356 | return wxNullFont; | |
357 | } | |
358 | } | |
359 | ||
360 | int wxSystemSettingsNative::GetMetric( wxSystemMetric index ) | |
361 | { | |
362 | switch (index) | |
363 | { | |
364 | case wxSYS_SCREEN_X: return gdk_screen_width(); | |
365 | case wxSYS_SCREEN_Y: return gdk_screen_height(); | |
366 | case wxSYS_HSCROLL_Y: return 15; | |
367 | case wxSYS_VSCROLL_X: return 15; | |
368 | ||
369 | // VZ: is there any way to get the cursor size with GDK? | |
370 | case wxSYS_CURSOR_X: return 16; | |
371 | case wxSYS_CURSOR_Y: return 16; | |
372 | // MBN: ditto for icons | |
373 | case wxSYS_ICON_X: return 32; | |
374 | case wxSYS_ICON_Y: return 32; | |
375 | default: | |
376 | wxFAIL_MSG( wxT("wxSystemSettings::GetMetric not fully implemented") ); | |
377 | return 0; | |
378 | } | |
379 | } | |
380 | ||
381 | bool wxSystemSettingsNative::HasFeature(wxSystemFeature index) | |
382 | { | |
383 | switch (index) | |
384 | { | |
385 | case wxSYS_CAN_ICONIZE_FRAME: | |
386 | return FALSE; | |
387 | break; | |
388 | case wxSYS_CAN_DRAW_FRAME_DECORATIONS: | |
389 | return TRUE; | |
390 | break; | |
391 | default: | |
392 | return FALSE; | |
393 | } | |
394 | } |