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