src/video/photon/SDL_ph_wm.c
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FUNCTIONS
This source file includes following functions.
- ph_SetIcon
- ph_SetCaption
- ph_IconifyWindow
- ph_GrabInputNoLock
- ph_GrabInput
- lock_display
- unlock_display
- ph_GetWMInfo
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@devolution.com
21 */
22
23 #ifdef SAVE_RCSID
24 static char rcsid =
25 "@(#) $Id: SDL_ph_wm.c,v 1.1.2.7 2001/02/10 07:20:07 hercules Exp $";
26 #endif
27
28 #include <stdlib.h>
29 #include <string.h>
30 #include <Ph.h>
31 #include "SDL_version.h"
32 #include "SDL_error.h"
33 #include "SDL_timer.h"
34 #include "SDL_video.h"
35 #include "SDL_syswm.h"
36 #include "SDL_events_c.h"
37 #include "SDL_pixels_c.h"
38 #include "SDL_ph_modes_c.h"
39 #include "SDL_ph_wm_c.h"
40
41 /* This is necessary for working properly with Enlightenment, etc. */
42 #define USE_ICON_WINDOW
43
44 void ph_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
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45 {
46
47 #if 0 /*big*/
48 int ncolors;
49 PhImage_t *image;
50 PgColor_t* palette;
51
52 image = PhCreateImage( image,
53 icon->w,
54 icon->h,
55 Pg_IMAGE_DIRECT_888,
56 NULL, 0, 0 );
57
58 /* ---------------------------------------- */
59 SDL_Surface *sicon;
60 // XWMHints *wmhints;
61 // XImage *icon_image;
62 // Pixmap icon_pixmap;
63 // Pixmap mask_pixmap;
64 // GC GC;
65 // XGCValues GCvalues;
66 int i, b, dbpp;
67 SDL_Rect bounds;
68 Uint8 *LSBmask, *color_tried;
69 Visual *dvis;
70
71 /* Lock the event thread, in multi-threading environments */
72 SDL_Lock_EventThread();
73
74 /* The icon must use the default visual, depth and colormap of the
75 screen, so it might need a conversion */
76 // ? dbpp = DefaultDepth(SDL_Display, SDL_Screen);
77 switch(dbpp) {
78 case 15:
79 dbpp = 16; break;
80 case 24:
81 dbpp = 32; break;
82 }
83 dvis = DefaultVisual(SDL_Display, SDL_Screen);
84
85 /* The Visual struct is supposed to be opaque but we cheat a little */
86 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
87 dbpp,
88 dvis->red_mask, dvis->green_mask,
89 dvis->blue_mask, 0);
90
91 if ( sicon == NULL ) {
92 goto done;
93 }
94 /* If we already have allocated colours from the default colormap,
95 copy them */
96 if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
97 && this->screen->format->palette && sicon->format->palette) {
98 memcpy(sicon->format->palette->colors,
99 this->screen->format->palette->colors,
100 this->screen->format->palette->ncolors * sizeof(SDL_Color));
101 }
102
103 bounds.x = 0;
104 bounds.y = 0;
105 bounds.w = icon->w;
106 bounds.h = icon->h;
107 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
108 goto done;
109
110 /* Lock down the colors used in the colormap */
111 color_tried = NULL;
112 if ( sicon->format->BitsPerPixel == 8 ) {
113 SDL_Palette *palette;
114 Uint8 *p;
115 XColor wanted;
116
117 palette = sicon->format->palette;
118 color_tried = malloc(palette->ncolors);
119 if ( color_tried == NULL ) {
120 goto done;
121 }
122 if ( SDL_iconcolors != NULL ) {
123 free(SDL_iconcolors);
124 }
125 SDL_iconcolors = malloc(palette->ncolors
126 * sizeof(*SDL_iconcolors));
127 if ( SDL_iconcolors == NULL ) {
128 free(color_tried);
129 goto done;
130 }
131 memset(color_tried, 0, palette->ncolors);
132 memset(SDL_iconcolors, 0,
133 palette->ncolors * sizeof(*SDL_iconcolors));
134
135 p = (Uint8 *)sicon->pixels;
136 for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
137 if ( ! color_tried[*p] ) {
138 wanted.pixel = *p;
139 wanted.red = (palette->colors[*p].r<<8);
140 wanted.green = (palette->colors[*p].g<<8);
141 wanted.blue = (palette->colors[*p].b<<8);
142 wanted.flags = (DoRed|DoGreen|DoBlue);
143 if (XAllocColor(SDL_Display,
144 SDL_DisplayColormap, &wanted)) {
145 ++SDL_iconcolors[wanted.pixel];
146 }
147 color_tried[*p] = 1;
148 }
149 }
150 }
151 if ( color_tried != NULL ) {
152 free(color_tried);
153 }
154
155 /* Translate mask data to LSB order and set the icon mask */
156 i = (sicon->w/8)*sicon->h;
157 LSBmask = (Uint8 *)malloc(i);
158 if ( LSBmask == NULL ) {
159 goto done;
160 }
161 memset(LSBmask, 0, i);
162 while ( --i >= 0 ) {
163 for ( b=0; b<8; ++b )
164 LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
165 }
166 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
167 LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
168
169 /* Transfer the image to an X11 pixmap */
170 icon_image = XCreateImage(SDL_Display,
171 DefaultVisual(SDL_Display, SDL_Screen),
172 DefaultDepth(SDL_Display, SDL_Screen),
173 ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
174 ((sicon->format)->BytesPerPixel == 3) ? 32 :
175 (sicon->format)->BytesPerPixel*8, 0);
176 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
177 DefaultDepth(SDL_Display, SDL_Screen));
178 GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
179 XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
180 0, 0, 0, 0, sicon->w, sicon->h);
181 XFreeGC(SDL_Display, GC);
182 XDestroyImage(icon_image);
183 free(LSBmask);
184 sicon->pixels = NULL;
185
186 #ifdef USE_ICON_WINDOW
187 /* Create an icon window and set the pixmap as its background */
188 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
189 0, 0, sicon->w, sicon->h, 0,
190 CopyFromParent, CopyFromParent);
191 XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
192 XClearWindow(SDL_Display, icon_window);
193 #endif
194
195 /* Set the window icon to the icon pixmap (and icon window) */
196 wmhints = XAllocWMHints();
197 wmhints->flags = (IconPixmapHint | IconMaskHint);
198 wmhints->icon_pixmap = icon_pixmap;
199 wmhints->icon_mask = mask_pixmap;
200 #ifdef USE_ICON_WINDOW
201 wmhints->flags |= IconWindowHint;
202 wmhints->icon_window = icon_window;
203 #endif
204 XSetWMHints(SDL_Display, WMwindow, wmhints);
205 XFree(wmhints);
206 XSync(SDL_Display, False);
207
208 done:
209 SDL_Unlock_EventThread();
210 if ( sicon != NULL ) {
211 SDL_FreeSurface(sicon);
212 }
213
214 #endif /*big*/
215 return;
216 }
217
218 void ph_SetCaption(_THIS, const char *title, const char *icon)
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219 {
220
221 #if 0
222 XTextProperty titleprop, iconprop;
223
224 /* Lock the event thread, in multi-threading environments */
225 SDL_Lock_EventThread();
226
227 if ( title != NULL ) {
228 XStringListToTextProperty((char **)&title, 1, &titleprop);
229 XSetWMName(SDL_Display, WMwindow, &titleprop);
230 XFree(titleprop.value);
231 }
232 if ( icon != NULL ) {
233 XStringListToTextProperty((char **)&icon, 1, &iconprop);
234 XSetWMIconName(SDL_Display, WMwindow, &iconprop);
235 XFree(iconprop.value);
236 }
237 XSync(SDL_Display, False);
238
239 SDL_Unlock_EventThread();
240 #endif
241 }
242
243 /* Iconify the window */
244 int ph_IconifyWindow(_THIS)
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245 {
246 int result;
247
248 #if 0
249 SDL_Lock_EventThread();
250 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
251 XSync(SDL_Display, False);
252 SDL_Unlock_EventThread();
253 #endif
254 return(result);
255 }
256
257 SDL_GrabMode ph_GrabInputNoLock(_THIS, SDL_GrabMode mode)
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258 {
259 #if 0 /*big*/
260 int numtries, result;
261
262 if ( this->screen == NULL ) {
263 return(SDL_GRAB_OFF);
264 }
265 if ( ! SDL_Window ) {
266 return(mode); /* Will be set later on mode switch */
267 }
268 if ( mode == SDL_GRAB_OFF ) {
269 XUngrabPointer(SDL_Display, CurrentTime);
270 if ( this->screen->flags & SDL_FULLSCREEN ) {
271 /* Rebind the mouse to the fullscreen window */
272 for ( numtries = 0; numtries < 10; ++numtries ) {
273 result = XGrabPointer(SDL_Display, FSwindow,
274 True, 0,
275 GrabModeAsync, GrabModeAsync,
276 FSwindow, None, CurrentTime);
277 if ( result == AlreadyGrabbed ) {
278 break;
279 }
280 SDL_Delay(100);
281 }
282 }
283 #ifdef GRAB_FULLSCREEN
284 if ( !(this->screen->flags & SDL_FULLSCREEN) )
285 #endif
286 XUngrabKeyboard(SDL_Display, CurrentTime);
287 } else {
288 if ( this->screen->flags & SDL_FULLSCREEN ) {
289 /* Unbind the mouse from the fullscreen window */
290 XUngrabPointer(SDL_Display, CurrentTime);
291 }
292 /* Try to grab the mouse */
293 for ( numtries = 0; numtries < 10; ++numtries ) {
294 result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
295 GrabModeAsync, GrabModeAsync,
296 SDL_Window, None, CurrentTime);
297 if ( result != AlreadyGrabbed ) {
298 break;
299 }
300 SDL_Delay(100);
301 }
302 #ifdef GRAB_FULLSCREEN
303 if ( !(this->screen->flags & SDL_FULLSCREEN) )
304 #endif
305 XGrabKeyboard(SDL_Display, WMwindow, True,
306 GrabModeAsync, GrabModeAsync, CurrentTime);
307 }
308 XSync(SDL_Display, False);
309
310
311 #endif /*big*/
312 return(mode);
313 }
314
315 SDL_GrabMode ph_GrabInput(_THIS, SDL_GrabMode mode)
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316 {
317 #if 0
318 SDL_Lock_EventThread();
319 mode = X11_GrabInputNoLock(this, mode);
320 SDL_Unlock_EventThread();
321 #endif
322 return(mode);
323 }
324
325 /* If 'info' is the right version, this function fills it and returns 1.
326 Otherwise, in case of a version mismatch, it returns -1.
327 */
328 static void lock_display(void)
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329 {
330 SDL_Lock_EventThread();
331 }
332 static void unlock_display(void)
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333 {
334 #if 0
335 /* Make sure any X11 transactions are completed */
336 SDL_VideoDevice *this = current_video;
337 XSync(SDL_Display, False);
338 SDL_Unlock_EventThread();
339 #endif
340 }
341 int ph_GetWMInfo(_THIS, SDL_SysWMinfo *info)
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342 {
343 #if 0
344 if ( info->version.major <= SDL_MAJOR_VERSION ) {
345 info->subsystem = SDL_SYSWM_X11;
346 info->info.x11.display = SDL_Display;
347 info->info.x11.window = SDL_Window;
348 if ( SDL_VERSIONNUM(info->version.major,
349 info->version.minor,
350 info->version.patch) >= 1002 ) {
351 info->info.x11.fswindow = FSwindow;
352 info->info.x11.wmwindow = WMwindow;
353 }
354 info->info.x11.lock_func = lock_display;
355 info->info.x11.unlock_func = unlock_display;
356 return(1);
357 } else {
358 SDL_SetError("Application not compiled with SDL %d.%d\n",
359 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
360 return(-1);
361 }
362 #endif
363 }