Mercurial > sdl-ios-xcode

comparison src/video/x11/SDL_x11wm.c @ 0:74212992fb08

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children 71774090f286
comparison
equal deleted inserted replaced
-1:000000000000 0:74212992fb08
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 "@(#) $Id$";
26 #endif
27
28 #include <stdlib.h>
29 #include <string.h>
30 #include <X11/Xlib.h>
31 #include <X11/Xutil.h>
32
33 #include "SDL_version.h"
34 #include "SDL_error.h"
35 #include "SDL_timer.h"
36 #include "SDL_video.h"
37 #include "SDL_syswm.h"
38 #include "SDL_events_c.h"
39 #include "SDL_pixels_c.h"
40 #include "SDL_x11modes_c.h"
41 #include "SDL_x11wm_c.h"
42
43 /* This is necessary for working properly with Enlightenment, etc. */
44 #define USE_ICON_WINDOW
45
46 void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
47 {
48 SDL_Surface *sicon;
49 XWMHints *wmhints;
50 XImage *icon_image;
51 Pixmap icon_pixmap;
52 Pixmap mask_pixmap;
53 #ifdef USE_ICON_WINDOW
54 Window icon_window;
55 #endif
56 GC GC;
57 XGCValues GCvalues;
58 int i, b, dbpp;
59 SDL_Rect bounds;
60 Uint8 *LSBmask, *color_tried;
61 Visual *dvis;
62
63 /* Lock the event thread, in multi-threading environments */
64 SDL_Lock_EventThread();
65
66 /* The icon must use the default visual, depth and colormap of the
67 screen, so it might need a conversion */
68 dbpp = DefaultDepth(SDL_Display, SDL_Screen);
69 switch(dbpp) {
70 case 15:
71 dbpp = 16; break;
72 case 24:
73 dbpp = 32; break;
74 }
75 dvis = DefaultVisual(SDL_Display, SDL_Screen);
76
77 /* The Visual struct is supposed to be opaque but we cheat a little */
78 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
79 dbpp,
80 dvis->red_mask, dvis->green_mask,
81 dvis->blue_mask, 0);
82
83 if ( sicon == NULL ) {
84 goto done;
85 }
86 /* If we already have allocated colours from the default colormap,
87 copy them */
88 if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
89 && this->screen->format->palette && sicon->format->palette) {
90 memcpy(sicon->format->palette->colors,
91 this->screen->format->palette->colors,
92 this->screen->format->palette->ncolors * sizeof(SDL_Color));
93 }
94
95 bounds.x = 0;
96 bounds.y = 0;
97 bounds.w = icon->w;
98 bounds.h = icon->h;
99 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
100 goto done;
101
102 /* Lock down the colors used in the colormap */
103 color_tried = NULL;
104 if ( sicon->format->BitsPerPixel == 8 ) {
105 SDL_Palette *palette;
106 Uint8 *p;
107 XColor wanted;
108
109 palette = sicon->format->palette;
110 color_tried = malloc(palette->ncolors);
111 if ( color_tried == NULL ) {
112 goto done;
113 }
114 if ( SDL_iconcolors != NULL ) {
115 free(SDL_iconcolors);
116 }
117 SDL_iconcolors = malloc(palette->ncolors
118 * sizeof(*SDL_iconcolors));
119 if ( SDL_iconcolors == NULL ) {
120 free(color_tried);
121 goto done;
122 }
123 memset(color_tried, 0, palette->ncolors);
124 memset(SDL_iconcolors, 0,
125 palette->ncolors * sizeof(*SDL_iconcolors));
126
127 p = (Uint8 *)sicon->pixels;
128 for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
129 if ( ! color_tried[*p] ) {
130 wanted.pixel = *p;
131 wanted.red = (palette->colors[*p].r<<8);
132 wanted.green = (palette->colors[*p].g<<8);
133 wanted.blue = (palette->colors[*p].b<<8);
134 wanted.flags = (DoRed|DoGreen|DoBlue);
135 if (XAllocColor(SDL_Display,
136 SDL_DisplayColormap, &wanted)) {
137 ++SDL_iconcolors[wanted.pixel];
138 }
139 color_tried[*p] = 1;
140 }
141 }
142 }
143 if ( color_tried != NULL ) {
144 free(color_tried);
145 }
146
147 /* Translate mask data to LSB order and set the icon mask */
148 i = (sicon->w/8)*sicon->h;
149 LSBmask = (Uint8 *)malloc(i);
150 if ( LSBmask == NULL ) {
151 goto done;
152 }
153 memset(LSBmask, 0, i);
154 while ( --i >= 0 ) {
155 for ( b=0; b<8; ++b )
156 LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
157 }
158 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
159 (char *)LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
160
161 /* Transfer the image to an X11 pixmap */
162 icon_image = XCreateImage(SDL_Display,
163 DefaultVisual(SDL_Display, SDL_Screen),
164 DefaultDepth(SDL_Display, SDL_Screen),
165 ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
166 ((sicon->format)->BytesPerPixel == 3) ? 32 :
167 (sicon->format)->BytesPerPixel*8, 0);
168 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
169 DefaultDepth(SDL_Display, SDL_Screen));
170 GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
171 XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
172 0, 0, 0, 0, sicon->w, sicon->h);
173 XFreeGC(SDL_Display, GC);
174 XDestroyImage(icon_image);
175 free(LSBmask);
176 sicon->pixels = NULL;
177
178 #ifdef USE_ICON_WINDOW
179 /* Create an icon window and set the pixmap as its background */
180 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
181 0, 0, sicon->w, sicon->h, 0,
182 CopyFromParent, CopyFromParent);
183 XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
184 XClearWindow(SDL_Display, icon_window);
185 #endif
186
187 /* Set the window icon to the icon pixmap (and icon window) */
188 wmhints = XAllocWMHints();
189 wmhints->flags = (IconPixmapHint | IconMaskHint);
190 wmhints->icon_pixmap = icon_pixmap;
191 wmhints->icon_mask = mask_pixmap;
192 #ifdef USE_ICON_WINDOW
193 wmhints->flags |= IconWindowHint;
194 wmhints->icon_window = icon_window;
195 #endif
196 XSetWMHints(SDL_Display, WMwindow, wmhints);
197 XFree(wmhints);
198 XSync(SDL_Display, False);
199
200 done:
201 SDL_Unlock_EventThread();
202 if ( sicon != NULL ) {
203 SDL_FreeSurface(sicon);
204 }
205 return;
206 }
207
208 void X11_SetCaption(_THIS, const char *title, const char *icon)
209 {
210 XTextProperty titleprop, iconprop;
211
212 /* Lock the event thread, in multi-threading environments */
213 SDL_Lock_EventThread();
214
215 if ( title != NULL ) {
216 XStringListToTextProperty((char **)&title, 1, &titleprop);
217 XSetWMName(SDL_Display, WMwindow, &titleprop);
218 XFree(titleprop.value);
219 }
220 if ( icon != NULL ) {
221 XStringListToTextProperty((char **)&icon, 1, &iconprop);
222 XSetWMIconName(SDL_Display, WMwindow, &iconprop);
223 XFree(iconprop.value);
224 }
225 XSync(SDL_Display, False);
226
227 SDL_Unlock_EventThread();
228 }
229
230 /* Iconify the window */
231 int X11_IconifyWindow(_THIS)
232 {
233 int result;
234
235 SDL_Lock_EventThread();
236 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
237 XSync(SDL_Display, False);
238 SDL_Unlock_EventThread();
239 return(result);
240 }
241
242 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode)
243 {
244 int numtries, result;
245
246 if ( this->screen == NULL ) {
247 return(SDL_GRAB_OFF);
248 }
249 if ( ! SDL_Window ) {
250 return(mode); /* Will be set later on mode switch */
251 }
252 if ( mode == SDL_GRAB_OFF ) {
253 XUngrabPointer(SDL_Display, CurrentTime);
254 if ( this->screen->flags & SDL_FULLSCREEN ) {
255 /* Rebind the mouse to the fullscreen window */
256 for ( numtries = 0; numtries < 10; ++numtries ) {
257 result = XGrabPointer(SDL_Display, FSwindow,
258 True, 0,
259 GrabModeAsync, GrabModeAsync,
260 FSwindow, None, CurrentTime);
261 if ( result == AlreadyGrabbed ) {
262 break;
263 }
264 SDL_Delay(100);
265 }
266 }
267 #ifdef GRAB_FULLSCREEN
268 if ( !(this->screen->flags & SDL_FULLSCREEN) )
269 #endif
270 XUngrabKeyboard(SDL_Display, CurrentTime);
271 } else {
272 if ( this->screen->flags & SDL_FULLSCREEN ) {
273 /* Unbind the mouse from the fullscreen window */
274 XUngrabPointer(SDL_Display, CurrentTime);
275 }
276 /* Try to grab the mouse */
277 for ( numtries = 0; numtries < 10; ++numtries ) {
278 result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
279 GrabModeAsync, GrabModeAsync,
280 SDL_Window, None, CurrentTime);
281 if ( result != AlreadyGrabbed ) {
282 break;
283 }
284 SDL_Delay(100);
285 }
286 #ifdef GRAB_FULLSCREEN
287 if ( !(this->screen->flags & SDL_FULLSCREEN) )
288 #endif
289 XGrabKeyboard(SDL_Display, WMwindow, True,
290 GrabModeAsync, GrabModeAsync, CurrentTime);
291
292 /* Raise the window if we grab the mouse */
293 if ( !(this->screen->flags & SDL_FULLSCREEN) )
294 XRaiseWindow(SDL_Display, WMwindow);
295 }
296 XSync(SDL_Display, False);
297
298 return(mode);
299 }
300
301 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode)
302 {
303 SDL_Lock_EventThread();
304 mode = X11_GrabInputNoLock(this, mode);
305 SDL_Unlock_EventThread();
306
307 return(mode);
308 }
309
310 /* If 'info' is the right version, this function fills it and returns 1.
311 Otherwise, in case of a version mismatch, it returns -1.
312 */
313 static void lock_display(void)
314 {
315 SDL_Lock_EventThread();
316 }
317 static void unlock_display(void)
318 {
319 /* Make sure any X11 transactions are completed */
320 SDL_VideoDevice *this = current_video;
321 XSync(SDL_Display, False);
322 SDL_Unlock_EventThread();
323 }
324 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info)
325 {
326 if ( info->version.major <= SDL_MAJOR_VERSION ) {
327 info->subsystem = SDL_SYSWM_X11;
328 info->info.x11.display = SDL_Display;
329 info->info.x11.window = SDL_Window;
330 if ( SDL_VERSIONNUM(info->version.major,
331 info->version.minor,
332 info->version.patch) >= 1002 ) {
333 info->info.x11.fswindow = FSwindow;
334 info->info.x11.wmwindow = WMwindow;
335 }
336 info->info.x11.lock_func = lock_display;
337 info->info.x11.unlock_func = unlock_display;
338 return(1);
339 } else {
340 SDL_SetError("Application not compiled with SDL %d.%d\n",
341 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
342 return(-1);
343 }
344 }