Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 867:5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Tue, 02 Mar 2004 19:38:55 +0000 |
| parents | 2bac79e27868 |
| children | 045f186426e1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
556
diff
changeset
|
3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 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 | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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236
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changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* X11 based SDL video driver implementation. | |
| 29 Note: This implementation does not currently need X11 thread locking, | |
| 30 since the event thread uses a separate X connection and any | |
| 31 additional locking necessary is handled internally. However, | |
| 32 if full locking is neccessary, take a look at XInitThreads(). | |
| 33 */ | |
| 34 | |
| 35 #include <stdlib.h> | |
| 36 #include <stdio.h> | |
| 37 #include <unistd.h> | |
| 38 #include <string.h> | |
| 39 #include <sys/ioctl.h> | |
| 40 #ifdef MTRR_SUPPORT | |
| 41 #include <asm/mtrr.h> | |
| 42 #include <sys/fcntl.h> | |
| 43 #endif | |
| 44 | |
| 45 #ifdef HAVE_ALLOCA_H | |
| 46 #include <alloca.h> | |
| 47 #endif | |
| 48 | |
| 49 #ifdef HAVE_ALLOCA | |
| 50 #define ALLOCA(n) ((void*)alloca(n)) | |
| 51 #define FREEA(p) | |
| 52 #else | |
| 53 #define ALLOCA(n) malloc(n) | |
| 54 #define FREEA(p) free(p) | |
| 55 #endif | |
| 56 | |
| 57 #include "SDL.h" | |
| 58 #include "SDL_error.h" | |
| 59 #include "SDL_timer.h" | |
| 60 #include "SDL_thread.h" | |
| 61 #include "SDL_video.h" | |
| 62 #include "SDL_mouse.h" | |
| 63 #include "SDL_endian.h" | |
| 64 #include "SDL_sysvideo.h" | |
| 65 #include "SDL_pixels_c.h" | |
| 66 #include "SDL_events_c.h" | |
| 67 #include "SDL_x11video.h" | |
| 68 #include "SDL_x11wm_c.h" | |
| 69 #include "SDL_x11mouse_c.h" | |
| 70 #include "SDL_x11events_c.h" | |
| 71 #include "SDL_x11modes_c.h" | |
| 72 #include "SDL_x11image_c.h" | |
| 73 #include "SDL_x11yuv_c.h" | |
| 74 #include "SDL_x11gl_c.h" | |
| 75 #include "SDL_x11gamma_c.h" | |
| 76 #include "blank_cursor.h" | |
| 77 | |
| 78 /* Initialization/Query functions */ | |
| 79 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 80 static SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 81 static int X11_ToggleFullScreen(_THIS, int on); | |
| 82 static void X11_UpdateMouse(_THIS); | |
| 83 static int X11_SetColors(_THIS, int firstcolor, int ncolors, | |
| 84 SDL_Color *colors); | |
| 85 static int X11_SetGammaRamp(_THIS, Uint16 *ramp); | |
| 86 static void X11_VideoQuit(_THIS); | |
| 87 | |
| 88 /* X11 driver bootstrap functions */ | |
| 89 | |
| 90 static int X11_Available(void) | |
| 91 { | |
| 92 Display *display; | |
| 93 | |
| 94 display = XOpenDisplay(NULL); | |
| 95 if ( display != NULL ) { | |
| 96 XCloseDisplay(display); | |
| 97 } | |
| 98 return(display != NULL); | |
| 99 } | |
| 100 | |
| 101 static void X11_DeleteDevice(SDL_VideoDevice *device) | |
| 102 { | |
| 103 if ( device ) { | |
| 104 if ( device->hidden ) { | |
| 105 free(device->hidden); | |
| 106 } | |
| 107 if ( device->gl_data ) { | |
| 108 free(device->gl_data); | |
| 109 } | |
| 110 free(device); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 static SDL_VideoDevice *X11_CreateDevice(int devindex) | |
| 115 { | |
| 116 SDL_VideoDevice *device; | |
| 117 | |
| 118 /* Initialize all variables that we clean on shutdown */ | |
| 119 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); | |
| 120 if ( device ) { | |
| 121 memset(device, 0, (sizeof *device)); | |
| 122 device->hidden = (struct SDL_PrivateVideoData *) | |
| 123 malloc((sizeof *device->hidden)); | |
| 124 device->gl_data = (struct SDL_PrivateGLData *) | |
| 125 malloc((sizeof *device->gl_data)); | |
| 126 } | |
| 127 if ( (device == NULL) || (device->hidden == NULL) || | |
| 128 (device->gl_data == NULL) ) { | |
| 129 SDL_OutOfMemory(); | |
| 130 X11_DeleteDevice(device); | |
| 131 return(0); | |
| 132 } | |
| 133 memset(device->hidden, 0, (sizeof *device->hidden)); | |
| 134 memset(device->gl_data, 0, (sizeof *device->gl_data)); | |
| 135 | |
| 136 /* Set the driver flags */ | |
| 137 device->handles_any_size = 1; | |
| 138 | |
| 139 /* Set the function pointers */ | |
| 140 device->VideoInit = X11_VideoInit; | |
| 141 device->ListModes = X11_ListModes; | |
| 142 device->SetVideoMode = X11_SetVideoMode; | |
| 143 device->ToggleFullScreen = X11_ToggleFullScreen; | |
| 144 device->UpdateMouse = X11_UpdateMouse; | |
| 145 #ifdef XFREE86_XV | |
| 146 device->CreateYUVOverlay = X11_CreateYUVOverlay; | |
| 147 #endif | |
| 148 device->SetColors = X11_SetColors; | |
| 149 device->UpdateRects = NULL; | |
| 150 device->VideoQuit = X11_VideoQuit; | |
| 151 device->AllocHWSurface = X11_AllocHWSurface; | |
| 152 device->CheckHWBlit = NULL; | |
| 153 device->FillHWRect = NULL; | |
| 154 device->SetHWColorKey = NULL; | |
| 155 device->SetHWAlpha = NULL; | |
| 156 device->LockHWSurface = X11_LockHWSurface; | |
| 157 device->UnlockHWSurface = X11_UnlockHWSurface; | |
| 158 device->FlipHWSurface = X11_FlipHWSurface; | |
| 159 device->FreeHWSurface = X11_FreeHWSurface; | |
| 160 device->SetGamma = X11_SetVidModeGamma; | |
| 161 device->GetGamma = X11_GetVidModeGamma; | |
| 162 device->SetGammaRamp = X11_SetGammaRamp; | |
| 163 device->GetGammaRamp = NULL; | |
| 164 #ifdef HAVE_OPENGL | |
| 165 device->GL_LoadLibrary = X11_GL_LoadLibrary; | |
| 166 device->GL_GetProcAddress = X11_GL_GetProcAddress; | |
| 167 device->GL_GetAttribute = X11_GL_GetAttribute; | |
| 168 device->GL_MakeCurrent = X11_GL_MakeCurrent; | |
| 169 device->GL_SwapBuffers = X11_GL_SwapBuffers; | |
| 170 #endif | |
| 171 device->SetCaption = X11_SetCaption; | |
| 172 device->SetIcon = X11_SetIcon; | |
| 173 device->IconifyWindow = X11_IconifyWindow; | |
| 174 device->GrabInput = X11_GrabInput; | |
| 175 device->GetWMInfo = X11_GetWMInfo; | |
| 176 device->FreeWMCursor = X11_FreeWMCursor; | |
| 177 device->CreateWMCursor = X11_CreateWMCursor; | |
| 178 device->ShowWMCursor = X11_ShowWMCursor; | |
| 179 device->WarpWMCursor = X11_WarpWMCursor; | |
| 180 device->CheckMouseMode = X11_CheckMouseMode; | |
| 181 device->InitOSKeymap = X11_InitOSKeymap; | |
| 182 device->PumpEvents = X11_PumpEvents; | |
| 183 | |
| 184 device->free = X11_DeleteDevice; | |
| 185 | |
| 186 return device; | |
| 187 } | |
| 188 | |
| 189 VideoBootStrap X11_bootstrap = { | |
| 190 "x11", "X Window System", | |
| 191 X11_Available, X11_CreateDevice | |
| 192 }; | |
| 193 | |
| 194 /* Shared memory information */ | |
| 195 extern int XShmQueryExtension(Display *dpy); /* Not in X11 headers */ | |
| 196 | |
| 197 /* Normal X11 error handler routine */ | |
| 198 static int (*X_handler)(Display *, XErrorEvent *) = NULL; | |
| 199 static int x_errhandler(Display *d, XErrorEvent *e) | |
| 200 { | |
| 201 #ifdef XFREE86_VM | |
| 202 extern int vm_error; | |
| 203 #endif | |
| 204 #ifdef XFREE86_DGAMOUSE | |
| 205 extern int dga_error; | |
| 206 #endif | |
| 207 | |
| 208 #ifdef XFREE86_VM | |
| 209 /* VidMode errors are non-fatal. :) */ | |
| 210 /* Are the errors offset by one from the error base? | |
| 211 e.g. the error base is 143, the code is 148, and the | |
| 212 actual error is XF86VidModeExtensionDisabled (4) ? | |
| 213 */ | |
| 214 if ( (vm_error >= 0) && | |
| 215 (((e->error_code == BadRequest)&&(e->request_code == vm_error)) || | |
| 216 ((e->error_code > vm_error) && | |
| 217 (e->error_code <= (vm_error+XF86VidModeNumberErrors)))) ) { | |
| 218 #ifdef XFREE86_DEBUG | |
| 219 { char errmsg[1024]; | |
| 220 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); | |
| 221 printf("VidMode error: %s\n", errmsg); | |
| 222 } | |
| 223 #endif | |
| 224 return(0); | |
| 225 } | |
| 226 #endif /* XFREE86_VM */ | |
| 227 | |
| 228 #ifdef XFREE86_DGAMOUSE | |
| 229 /* DGA errors can be non-fatal. :) */ | |
| 230 if ( (dga_error >= 0) && | |
| 231 ((e->error_code > dga_error) && | |
| 232 (e->error_code <= (dga_error+XF86DGANumberErrors))) ) { | |
| 233 #ifdef XFREE86_DEBUG | |
| 234 { char errmsg[1024]; | |
| 235 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); | |
| 236 printf("DGA error: %s\n", errmsg); | |
| 237 } | |
| 238 #endif | |
| 239 return(0); | |
| 240 } | |
| 241 #endif /* XFREE86_DGAMOUSE */ | |
| 242 | |
| 243 return(X_handler(d,e)); | |
| 244 } | |
| 245 | |
| 246 /* X11 I/O error handler routine */ | |
| 247 static int (*XIO_handler)(Display *) = NULL; | |
| 248 static int xio_errhandler(Display *d) | |
| 249 { | |
| 250 /* Ack! Lost X11 connection! */ | |
| 251 | |
| 252 /* We will crash if we try to clean up our display */ | |
| 253 if ( current_video->hidden->Ximage ) { | |
| 254 SDL_VideoSurface->pixels = NULL; | |
| 255 } | |
| 256 current_video->hidden->X11_Display = NULL; | |
| 257 | |
| 258 /* Continue with the standard X11 error handler */ | |
| 259 return(XIO_handler(d)); | |
| 260 } | |
| 261 | |
| 262 /* Create auxiliary (toplevel) windows with the current visual */ | |
| 263 static void create_aux_windows(_THIS) | |
| 264 { | |
| 265 XSetWindowAttributes xattr; | |
| 266 XWMHints *hints; | |
| 267 XTextProperty titleprop, iconprop; | |
| 268 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); | |
| 269 | |
| 270 /* Don't create any extra windows if we are being managed */ | |
| 271 if ( SDL_windowid ) { | |
| 272 FSwindow = 0; | |
| 273 WMwindow = strtol(SDL_windowid, NULL, 0); | |
| 274 return; | |
| 275 } | |
| 276 | |
| 277 if(FSwindow) | |
| 278 XDestroyWindow(SDL_Display, FSwindow); | |
| 279 | |
| 280 xattr.override_redirect = True; | |
| 281 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 282 xattr.border_pixel = 0; | |
| 283 xattr.colormap = SDL_XColorMap; | |
| 284 | |
|
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Added an aborted try at making fullscreen work on Xinerama screen != 0
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285 FSwindow = XCreateWindow(SDL_Display, SDL_Root, |
|
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Added an aborted try at making fullscreen work on Xinerama screen != 0
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286 xinerama_x, xinerama_y, 32, 32, 0, |
| 0 | 287 this->hidden->depth, InputOutput, SDL_Visual, |
| 288 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 289 | CWColormap, | |
| 290 &xattr); | |
| 291 | |
| 292 XSelectInput(SDL_Display, FSwindow, StructureNotifyMask); | |
| 293 | |
| 294 /* Tell KDE to keep the fullscreen window on top */ | |
| 295 { | |
| 296 XEvent ev; | |
| 297 long mask; | |
| 298 | |
| 299 memset(&ev, 0, sizeof(ev)); | |
| 300 ev.xclient.type = ClientMessage; | |
| 301 ev.xclient.window = SDL_Root; | |
| 302 ev.xclient.message_type = XInternAtom(SDL_Display, | |
| 303 "KWM_KEEP_ON_TOP", False); | |
| 304 ev.xclient.format = 32; | |
| 305 ev.xclient.data.l[0] = FSwindow; | |
| 306 ev.xclient.data.l[1] = CurrentTime; | |
| 307 mask = SubstructureRedirectMask; | |
| 308 XSendEvent(SDL_Display, SDL_Root, False, mask, &ev); | |
| 309 } | |
| 310 | |
| 311 hints = NULL; | |
| 312 titleprop.value = iconprop.value = NULL; | |
| 313 if(WMwindow) { | |
| 314 /* All window attributes must survive the recreation */ | |
| 315 hints = XGetWMHints(SDL_Display, WMwindow); | |
| 316 XGetWMName(SDL_Display, WMwindow, &titleprop); | |
| 317 XGetWMIconName(SDL_Display, WMwindow, &iconprop); | |
| 318 XDestroyWindow(SDL_Display, WMwindow); | |
| 319 } | |
| 320 | |
| 321 /* Create the window for windowed management */ | |
| 322 /* (reusing the xattr structure above) */ | |
| 323 WMwindow = XCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0, | |
| 324 this->hidden->depth, InputOutput, SDL_Visual, | |
| 325 CWBackPixel | CWBorderPixel | CWColormap, | |
| 326 &xattr); | |
| 327 | |
| 328 /* Set the input hints so we get keyboard input */ | |
| 329 if(!hints) { | |
| 330 hints = XAllocWMHints(); | |
| 331 hints->input = True; | |
| 332 hints->flags = InputHint; | |
| 333 } | |
| 334 XSetWMHints(SDL_Display, WMwindow, hints); | |
| 335 XFree(hints); | |
| 336 if(titleprop.value) { | |
| 337 XSetWMName(SDL_Display, WMwindow, &titleprop); | |
| 338 XFree(titleprop.value); | |
| 339 } | |
| 340 if(iconprop.value) { | |
| 341 XSetWMIconName(SDL_Display, WMwindow, &iconprop); | |
| 342 XFree(iconprop.value); | |
| 343 } | |
| 344 | |
| 345 XSelectInput(SDL_Display, WMwindow, | |
| 346 FocusChangeMask | KeyPressMask | KeyReleaseMask | |
| 347 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 348 | |
| 349 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 350 { | |
| 351 XClassHint *classhints; | |
| 352 classhints = XAllocClassHint(); | |
| 353 if(classhints != NULL) { | |
|
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354 char *classname = getenv("SDL_VIDEO_X11_WMCLASS"); |
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355 if ( ! classname ) { |
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356 classname = "SDL_App"; |
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357 } |
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358 classhints->res_name = classname; |
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359 classhints->res_class = classname; |
| 0 | 360 XSetClassHint(SDL_Display, WMwindow, classhints); |
| 361 XFree(classhints); | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 /* Allow the window to be deleted by the window manager */ | |
| 366 WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); | |
| 367 XSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); | |
| 368 } | |
| 369 | |
| 370 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 371 { | |
| 372 char *display; | |
| 373 int i; | |
| 374 | |
| 375 /* Open the X11 display */ | |
| 376 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 377 | |
| 378 if ( (strncmp(XDisplayName(display), ":", 1) == 0) || | |
| 379 (strncmp(XDisplayName(display), "unix:", 5) == 0) ) { | |
| 380 local_X11 = 1; | |
| 381 } else { | |
| 382 local_X11 = 0; | |
| 383 } | |
| 384 SDL_Display = XOpenDisplay(display); | |
| 385 if ( SDL_Display == NULL ) { | |
| 386 SDL_SetError("Couldn't open X11 display"); | |
| 387 return(-1); | |
| 388 } | |
| 389 #ifdef X11_DEBUG | |
| 390 XSynchronize(SDL_Display, True); | |
| 391 #endif | |
| 392 | |
| 393 /* Create an alternate X display for graphics updates -- allows us | |
| 394 to do graphics updates in a separate thread from event handling. | |
| 395 Thread-safe X11 doesn't seem to exist. | |
| 396 */ | |
| 397 GFX_Display = XOpenDisplay(display); | |
| 398 if ( GFX_Display == NULL ) { | |
| 399 SDL_SetError("Couldn't open X11 display"); | |
| 400 return(-1); | |
| 401 } | |
| 402 | |
| 403 /* Set the normal X error handler */ | |
| 404 X_handler = XSetErrorHandler(x_errhandler); | |
| 405 | |
| 406 /* Set the error handler if we lose the X display */ | |
| 407 XIO_handler = XSetIOErrorHandler(xio_errhandler); | |
| 408 | |
| 409 /* use default screen (from $DISPLAY) */ | |
| 410 SDL_Screen = DefaultScreen(SDL_Display); | |
| 411 | |
| 412 #ifndef NO_SHARED_MEMORY | |
| 413 /* Check for MIT shared memory extension */ | |
|
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Fixed compile error if there is no X11 shared memory support.
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414 use_mitshm = 0; |
| 0 | 415 if ( local_X11 ) { |
| 416 use_mitshm = XShmQueryExtension(SDL_Display); | |
| 417 } | |
| 418 #endif /* NO_SHARED_MEMORY */ | |
| 419 | |
| 420 /* Get the available video modes */ | |
| 421 if(X11_GetVideoModes(this) < 0) | |
| 422 return -1; | |
| 423 | |
| 424 /* Determine the default screen depth: | |
| 425 Use the default visual (or at least one with the same depth) */ | |
| 426 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 427 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 428 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 429 SDL_Screen)) | |
| 430 break; | |
| 431 if(i == this->hidden->nvisuals) { | |
| 432 /* default visual was useless, take the deepest one instead */ | |
| 433 i = 0; | |
| 434 } | |
| 435 SDL_Visual = this->hidden->visuals[i].visual; | |
| 436 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 437 SDL_XColorMap = SDL_DisplayColormap; | |
| 438 } else { | |
| 439 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, | |
| 440 SDL_Visual, AllocNone); | |
| 441 } | |
| 442 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 443 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 444 if ( vformat->BitsPerPixel > 8 ) { | |
| 445 vformat->Rmask = SDL_Visual->red_mask; | |
| 446 vformat->Gmask = SDL_Visual->green_mask; | |
| 447 vformat->Bmask = SDL_Visual->blue_mask; | |
| 448 } | |
| 449 X11_SaveVidModeGamma(this); | |
| 450 | |
| 451 /* See if we have been passed a window to use */ | |
| 452 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 453 | |
| 454 /* Create the fullscreen and managed windows */ | |
| 455 create_aux_windows(this); | |
| 456 | |
| 457 /* Create the blank cursor */ | |
| 458 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 459 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 460 BLANK_CHOTX, BLANK_CHOTY); | |
| 461 | |
| 462 /* Fill in some window manager capabilities */ | |
| 463 this->info.wm_available = 1; | |
| 464 | |
| 465 /* We're done! */ | |
| 466 XFlush(SDL_Display); | |
| 467 return(0); | |
| 468 } | |
| 469 | |
| 470 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 471 { | |
| 472 /* Clean up OpenGL */ | |
| 473 if ( screen ) { | |
| 474 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 475 } | |
| 476 X11_GL_Shutdown(this); | |
| 477 | |
| 478 if ( ! SDL_windowid ) { | |
| 479 /* Hide the managed window */ | |
| 480 if ( WMwindow ) { | |
| 481 XUnmapWindow(SDL_Display, WMwindow); | |
| 482 } | |
| 483 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 484 screen->flags &= ~SDL_FULLSCREEN; | |
| 485 X11_LeaveFullScreen(this); | |
| 486 } | |
| 487 | |
| 488 /* Destroy the output window */ | |
| 489 if ( SDL_Window ) { | |
| 490 XDestroyWindow(SDL_Display, SDL_Window); | |
| 491 } | |
| 492 | |
| 493 /* Free the colormap entries */ | |
| 494 if ( SDL_XPixels ) { | |
| 495 int numcolors; | |
| 496 unsigned long pixel; | |
| 497 numcolors = SDL_Visual->map_entries; | |
| 498 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 499 while ( SDL_XPixels[pixel] > 0 ) { | |
| 500 XFreeColors(GFX_Display, | |
| 501 SDL_DisplayColormap,&pixel,1,0); | |
| 502 --SDL_XPixels[pixel]; | |
| 503 } | |
| 504 } | |
| 505 free(SDL_XPixels); | |
| 506 SDL_XPixels = NULL; | |
| 507 } | |
| 508 | |
| 509 /* Free the graphics context */ | |
| 510 if ( SDL_GC ) { | |
| 511 XFreeGC(SDL_Display, SDL_GC); | |
| 512 SDL_GC = 0; | |
| 513 } | |
| 514 } | |
| 515 } | |
| 516 | |
|
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517 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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518 { |
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519 const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
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520 const char *center = getenv("SDL_VIDEO_CENTERED"); |
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521 if ( window ) { |
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522 if ( sscanf(window, "%d,%d", x, y) == 2 ) { |
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523 return SDL_TRUE; |
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524 } |
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525 if ( strcmp(window, "center") == 0 ) { |
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526 center = window; |
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527 } |
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528 } |
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529 if ( center ) { |
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530 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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531 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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532 return SDL_TRUE; |
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533 } |
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534 return SDL_FALSE; |
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535 } |
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536 |
| 0 | 537 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 538 { | |
| 539 XSizeHints *hints; | |
| 540 | |
| 541 hints = XAllocSizeHints(); | |
| 542 if ( hints ) { | |
| 543 if ( flags & SDL_RESIZABLE ) { | |
| 544 hints->min_width = 32; | |
| 545 hints->min_height = 32; | |
| 546 hints->max_height = 4096; | |
| 547 hints->max_width = 4096; | |
| 548 } else { | |
| 549 hints->min_width = hints->max_width = w; | |
| 550 hints->min_height = hints->max_height = h; | |
| 551 } | |
| 552 hints->flags = PMaxSize | PMinSize; | |
| 553 if ( flags & SDL_FULLSCREEN ) { | |
| 554 hints->x = 0; | |
| 555 hints->y = 0; | |
| 556 hints->flags |= USPosition; | |
| 557 } else | |
| 558 /* Center it, if desired */ | |
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559 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 560 hints->flags |= USPosition; |
| 561 XMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); | |
| 562 | |
| 563 /* Flush the resize event so we don't catch it later */ | |
| 564 XSync(SDL_Display, True); | |
| 565 } | |
| 566 XSetWMNormalHints(SDL_Display, WMwindow, hints); | |
| 567 XFree(hints); | |
| 568 } | |
| 569 | |
| 570 /* Respect the window caption style */ | |
| 571 if ( flags & SDL_NOFRAME ) { | |
| 572 SDL_bool set; | |
| 573 Atom WM_HINTS; | |
| 574 | |
| 575 /* We haven't modified the window manager hints yet */ | |
| 576 set = SDL_FALSE; | |
| 577 | |
| 578 /* First try to set MWM hints */ | |
| 579 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); | |
| 580 if ( WM_HINTS != None ) { | |
| 581 /* Hints used by Motif compliant window managers */ | |
| 582 struct { | |
| 583 unsigned long flags; | |
| 584 unsigned long functions; | |
| 585 unsigned long decorations; | |
| 586 long input_mode; | |
| 587 unsigned long status; | |
| 588 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 589 | |
| 590 XChangeProperty(SDL_Display, WMwindow, | |
| 591 WM_HINTS, WM_HINTS, 32, | |
| 592 PropModeReplace, | |
| 593 (unsigned char *)&MWMHints, | |
| 594 sizeof(MWMHints)/sizeof(long)); | |
| 595 set = SDL_TRUE; | |
| 596 } | |
| 597 /* Now try to set KWM hints */ | |
| 598 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); | |
| 599 if ( WM_HINTS != None ) { | |
| 600 long KWMHints = 0; | |
| 601 | |
| 602 XChangeProperty(SDL_Display, WMwindow, | |
| 603 WM_HINTS, WM_HINTS, 32, | |
| 604 PropModeReplace, | |
| 605 (unsigned char *)&KWMHints, | |
| 606 sizeof(KWMHints)/sizeof(long)); | |
| 607 set = SDL_TRUE; | |
| 608 } | |
| 609 /* Now try to set GNOME hints */ | |
| 610 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); | |
| 611 if ( WM_HINTS != None ) { | |
| 612 long GNOMEHints = 0; | |
| 613 | |
| 614 XChangeProperty(SDL_Display, WMwindow, | |
| 615 WM_HINTS, WM_HINTS, 32, | |
| 616 PropModeReplace, | |
| 617 (unsigned char *)&GNOMEHints, | |
| 618 sizeof(GNOMEHints)/sizeof(long)); | |
| 619 set = SDL_TRUE; | |
| 620 } | |
| 621 /* Finally set the transient hints if necessary */ | |
| 622 if ( ! set ) { | |
| 623 XSetTransientForHint(SDL_Display, WMwindow, SDL_Root); | |
| 624 } | |
| 625 } else { | |
| 626 SDL_bool set; | |
| 627 Atom WM_HINTS; | |
| 628 | |
| 629 /* We haven't modified the window manager hints yet */ | |
| 630 set = SDL_FALSE; | |
| 631 | |
| 632 /* First try to unset MWM hints */ | |
| 633 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); | |
| 634 if ( WM_HINTS != None ) { | |
| 635 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); | |
| 636 set = SDL_TRUE; | |
| 637 } | |
| 638 /* Now try to unset KWM hints */ | |
| 639 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); | |
| 640 if ( WM_HINTS != None ) { | |
| 641 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); | |
| 642 set = SDL_TRUE; | |
| 643 } | |
| 644 /* Now try to unset GNOME hints */ | |
| 645 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); | |
| 646 if ( WM_HINTS != None ) { | |
| 647 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); | |
| 648 set = SDL_TRUE; | |
| 649 } | |
| 650 /* Finally unset the transient hints if necessary */ | |
| 651 if ( ! set ) { | |
| 652 /* NOTE: Does this work? */ | |
| 653 XSetTransientForHint(SDL_Display, WMwindow, None); | |
| 654 } | |
| 655 } | |
| 656 } | |
| 657 | |
| 658 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 659 int w, int h, int bpp, Uint32 flags) | |
| 660 { | |
| 661 int i, depth; | |
| 662 Visual *vis; | |
| 663 int vis_change; | |
| 664 | |
| 665 /* If a window is already present, destroy it and start fresh */ | |
| 666 if ( SDL_Window ) { | |
| 667 X11_DestroyWindow(this, screen); | |
|
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|
668 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 669 } |
| 670 | |
| 671 /* See if we have been given a window id */ | |
| 672 if ( SDL_windowid ) { | |
| 673 SDL_Window = strtol(SDL_windowid, NULL, 0); | |
| 674 } else { | |
| 675 SDL_Window = 0; | |
| 676 } | |
| 677 | |
| 678 /* find out which visual we are going to use */ | |
| 679 if ( flags & SDL_OPENGL ) { | |
| 680 XVisualInfo *vi; | |
| 681 | |
| 682 vi = X11_GL_GetVisual(this); | |
| 683 if( !vi ) { | |
| 684 return -1; | |
| 685 } | |
| 686 vis = vi->visual; | |
| 687 depth = vi->depth; | |
| 688 } else if ( SDL_windowid ) { | |
| 689 XWindowAttributes a; | |
| 690 | |
| 691 XGetWindowAttributes(SDL_Display, SDL_Window, &a); | |
| 692 vis = a.visual; | |
| 693 depth = a.depth; | |
| 694 } else { | |
| 695 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 696 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 697 break; | |
| 698 } | |
| 699 if ( i == this->hidden->nvisuals ) { | |
| 700 SDL_SetError("No matching visual for requested depth"); | |
| 701 return -1; /* should never happen */ | |
| 702 } | |
| 703 vis = this->hidden->visuals[i].visual; | |
| 704 depth = this->hidden->visuals[i].depth; | |
| 705 } | |
| 706 #ifdef X11_DEBUG | |
| 707 printf("Choosing %s visual at %d bpp - %d colormap entries\n", vis->class == PseudoColor ? "PseudoColor" : (vis->class == TrueColor ? "TrueColor" : (vis->class == DirectColor ? "DirectColor" : "Unknown")), depth, vis->map_entries); | |
| 708 #endif | |
| 709 vis_change = (vis != SDL_Visual); | |
| 710 SDL_Visual = vis; | |
| 711 this->hidden->depth = depth; | |
| 712 | |
| 713 /* Allocate the new pixel format for this video mode */ | |
| 714 if ( ! SDL_ReallocFormat(screen, bpp, | |
| 715 vis->red_mask, vis->green_mask, vis->blue_mask, 0) ) | |
| 716 return -1; | |
| 717 | |
| 718 /* Create the appropriate colormap */ | |
| 719 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
| 720 XFreeColormap(SDL_Display, SDL_XColorMap); | |
| 721 } | |
| 722 if ( SDL_Visual->class == PseudoColor ) { | |
| 723 int ncolors; | |
| 724 | |
| 725 /* Allocate the pixel flags */ | |
| 726 ncolors = SDL_Visual->map_entries; | |
| 727 SDL_XPixels = malloc(ncolors * sizeof(int)); | |
| 728 if(SDL_XPixels == NULL) { | |
| 729 SDL_OutOfMemory(); | |
| 730 return -1; | |
| 731 } | |
| 732 memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); | |
| 733 | |
| 734 /* always allocate a private colormap on non-default visuals */ | |
| 735 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 736 flags |= SDL_HWPALETTE; | |
| 737 } | |
| 738 if ( flags & SDL_HWPALETTE ) { | |
| 739 screen->flags |= SDL_HWPALETTE; | |
| 740 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, | |
| 741 SDL_Visual, AllocAll); | |
| 742 } else { | |
| 743 SDL_XColorMap = SDL_DisplayColormap; | |
| 744 } | |
| 745 } else if ( SDL_Visual->class == DirectColor ) { | |
| 746 | |
| 747 /* Create a colormap which we can manipulate for gamma */ | |
| 748 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, | |
| 749 SDL_Visual, AllocAll); | |
| 750 XSync(SDL_Display, False); | |
| 751 | |
| 752 /* Initialize the colormap to the identity mapping */ | |
| 753 SDL_GetGammaRamp(0, 0, 0); | |
| 754 this->screen = screen; | |
| 755 X11_SetGammaRamp(this, this->gamma); | |
| 756 this->screen = NULL; | |
| 757 } else { | |
| 758 /* Create a read-only colormap for our window */ | |
| 759 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, | |
| 760 SDL_Visual, AllocNone); | |
| 761 } | |
| 762 | |
| 763 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 764 if ( vis_change ) | |
| 765 create_aux_windows(this); | |
| 766 | |
| 767 if(screen->flags & SDL_HWPALETTE) { | |
| 768 /* Since the full-screen window might have got a nonzero background | |
| 769 colour (0 is white on some displays), we should reset the | |
| 770 background to 0 here since that is what the user expects | |
| 771 with a private colormap */ | |
| 772 XSetWindowBackground(SDL_Display, FSwindow, 0); | |
| 773 XClearWindow(SDL_Display, FSwindow); | |
| 774 } | |
| 775 | |
| 776 /* resize the (possibly new) window manager window */ | |
| 777 if( !SDL_windowid ) { | |
| 778 X11_SetSizeHints(this, w, h, flags); | |
| 779 current_w = w; | |
| 780 current_h = h; | |
| 781 XResizeWindow(SDL_Display, WMwindow, w, h); | |
| 782 } | |
| 783 | |
| 784 /* Create (or use) the X11 display window */ | |
| 785 if ( !SDL_windowid ) { | |
| 786 if ( flags & SDL_OPENGL ) { | |
| 787 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 788 return(-1); | |
| 789 } | |
| 790 } else { | |
| 791 XSetWindowAttributes swa; | |
| 792 | |
| 793 swa.background_pixel = 0; | |
| 794 swa.border_pixel = 0; | |
| 795 swa.colormap = SDL_XColorMap; | |
| 796 SDL_Window = XCreateWindow(SDL_Display, WMwindow, | |
| 797 0, 0, w, h, 0, depth, | |
| 798 InputOutput, SDL_Visual, | |
| 799 CWBackPixel | CWBorderPixel | |
| 800 | CWColormap, &swa); | |
| 801 } | |
| 802 /* Only manage our input if we own the window */ | |
| 803 XSelectInput(SDL_Display, SDL_Window, | |
| 804 ( EnterWindowMask | LeaveWindowMask | |
| 805 | ButtonPressMask | ButtonReleaseMask | |
| 806 | PointerMotionMask | ExposureMask )); | |
| 807 } | |
| 808 | |
| 809 /* Create the graphics context here, once we have a window */ | |
| 810 if ( flags & SDL_OPENGL ) { | |
| 811 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 812 return(-1); | |
| 813 } else { | |
| 814 screen->flags |= SDL_OPENGL; | |
| 815 } | |
| 816 } else { | |
| 817 XGCValues gcv; | |
| 818 | |
| 819 gcv.graphics_exposures = False; | |
| 820 SDL_GC = XCreateGC(SDL_Display, SDL_Window, | |
| 821 GCGraphicsExposures, &gcv); | |
| 822 if ( ! SDL_GC ) { | |
| 823 SDL_SetError("Couldn't create graphics context"); | |
| 824 return(-1); | |
| 825 } | |
| 826 } | |
| 827 | |
| 828 /* Set our colormaps when not setting a GL mode */ | |
| 829 if ( ! (flags & SDL_OPENGL) ) { | |
| 830 XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); | |
| 831 if( !SDL_windowid ) { | |
| 832 XSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap); | |
| 833 XSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); | |
| 834 } | |
| 835 } | |
| 836 | |
| 837 #if 0 /* This is an experiment - are the graphics faster now? - nope. */ | |
| 838 if ( getenv("SDL_VIDEO_X11_BACKINGSTORE") ) | |
| 839 #endif | |
| 840 /* Cache the window in the server, when possible */ | |
| 841 { | |
| 842 Screen *xscreen; | |
| 843 XSetWindowAttributes a; | |
| 844 | |
| 845 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 846 a.backing_store = DoesBackingStore(xscreen); | |
| 847 if ( a.backing_store != NotUseful ) { | |
| 848 XChangeWindowAttributes(SDL_Display, SDL_Window, | |
| 849 CWBackingStore, &a); | |
| 850 } | |
| 851 } | |
| 852 | |
| 853 /* Update the internal keyboard state */ | |
| 854 X11_SetKeyboardState(SDL_Display, NULL); | |
| 855 | |
|
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856 /* When the window is first mapped, ignore non-modifier keys */ |
|
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|
857 { |
|
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858 Uint8 *keys = SDL_GetKeyState(NULL); |
|
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859 for ( i = 0; i < SDLK_LAST; ++i ) { |
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860 switch (i) { |
|
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861 case SDLK_NUMLOCK: |
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862 case SDLK_CAPSLOCK: |
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863 case SDLK_LCTRL: |
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diff
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864 case SDLK_RCTRL: |
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865 case SDLK_LSHIFT: |
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866 case SDLK_RSHIFT: |
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867 case SDLK_LALT: |
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868 case SDLK_RALT: |
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869 case SDLK_LMETA: |
|
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870 case SDLK_RMETA: |
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871 case SDLK_MODE: |
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872 break; |
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873 default: |
|
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874 keys[i] = SDL_RELEASED; |
|
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|
875 break; |
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406b12a17b15
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876 } |
|
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|
877 } |
|
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|
878 } |
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|
879 |
| 0 | 880 /* Map them both and go fullscreen, if requested */ |
| 881 if ( ! SDL_windowid ) { | |
| 882 XMapWindow(SDL_Display, SDL_Window); | |
| 883 XMapWindow(SDL_Display, WMwindow); | |
| 160 | 884 X11_WaitMapped(this, WMwindow); |
| 0 | 885 if ( flags & SDL_FULLSCREEN ) { |
| 886 screen->flags |= SDL_FULLSCREEN; | |
| 887 X11_EnterFullScreen(this); | |
| 888 } else { | |
| 889 screen->flags &= ~SDL_FULLSCREEN; | |
| 890 } | |
| 891 } | |
| 892 return(0); | |
| 893 } | |
| 894 | |
| 895 static int X11_ResizeWindow(_THIS, | |
| 896 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 897 { | |
| 898 if ( ! SDL_windowid ) { | |
| 899 /* Resize the window manager window */ | |
| 900 X11_SetSizeHints(this, w, h, flags); | |
| 901 current_w = w; | |
| 902 current_h = h; | |
| 903 XResizeWindow(SDL_Display, WMwindow, w, h); | |
| 904 | |
| 905 /* Resize the fullscreen and display windows */ | |
| 906 if ( flags & SDL_FULLSCREEN ) { | |
| 907 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 908 X11_ResizeFullScreen(this); | |
| 909 } else { | |
| 910 screen->flags |= SDL_FULLSCREEN; | |
| 911 X11_EnterFullScreen(this); | |
| 912 } | |
| 913 } else { | |
| 914 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 915 screen->flags &= ~SDL_FULLSCREEN; | |
| 916 X11_LeaveFullScreen(this); | |
| 917 } | |
| 918 } | |
| 919 XResizeWindow(SDL_Display, SDL_Window, w, h); | |
| 920 } | |
| 921 return(0); | |
| 922 } | |
| 923 | |
| 924 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 925 int width, int height, int bpp, Uint32 flags) | |
| 926 { | |
| 927 Uint32 saved_flags; | |
| 928 | |
| 929 /* Lock the event thread, in multi-threading environments */ | |
| 930 SDL_Lock_EventThread(); | |
| 931 | |
| 932 /* Check the combination of flags we were passed */ | |
| 933 if ( flags & SDL_FULLSCREEN ) { | |
| 934 /* Clear fullscreen flag if not supported */ | |
| 935 if ( SDL_windowid ) { | |
| 936 flags &= ~SDL_FULLSCREEN; | |
| 937 } | |
| 938 } | |
| 939 | |
| 940 /* Flush any delayed updates */ | |
| 941 XSync(GFX_Display, False); | |
| 942 | |
| 943 /* Set up the X11 window */ | |
| 944 saved_flags = current->flags; | |
|
867
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945 if ( (SDL_Window) && ((saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)) |
|
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|
946 && (bpp == current->format->BitsPerPixel) |
|
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|
947 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 948 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 949 current = NULL; | |
| 950 goto done; | |
| 951 } | |
| 952 } else { | |
| 953 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 954 current = NULL; | |
| 955 goto done; | |
| 956 } | |
| 957 } | |
| 958 | |
| 959 /* Set up the new mode framebuffer */ | |
| 960 if ( ((current->w != width) || (current->h != height)) || | |
| 961 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 962 current->w = width; | |
| 963 current->h = height; | |
| 964 current->pitch = SDL_CalculatePitch(current); | |
| 965 X11_ResizeImage(this, current, flags); | |
| 966 } | |
| 967 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 968 | |
| 969 done: | |
| 970 /* Release the event thread */ | |
| 971 XSync(SDL_Display, False); | |
| 972 SDL_Unlock_EventThread(); | |
| 973 | |
| 974 /* We're done! */ | |
| 975 return(current); | |
| 976 } | |
| 977 | |
| 978 static int X11_ToggleFullScreen(_THIS, int on) | |
| 979 { | |
| 980 Uint32 event_thread; | |
| 981 | |
| 982 /* Don't switch if we don't own the window */ | |
| 983 if ( SDL_windowid ) { | |
| 984 return(0); | |
| 985 } | |
| 986 | |
| 987 /* Don't lock if we are the event thread */ | |
| 988 event_thread = SDL_EventThreadID(); | |
| 989 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 990 event_thread = 0; | |
| 991 } | |
| 992 if ( event_thread ) { | |
| 993 SDL_Lock_EventThread(); | |
| 994 } | |
| 995 if ( on ) { | |
| 996 this->screen->flags |= SDL_FULLSCREEN; | |
| 997 X11_EnterFullScreen(this); | |
| 998 } else { | |
| 999 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1000 X11_LeaveFullScreen(this); | |
| 1001 } | |
| 1002 X11_RefreshDisplay(this); | |
| 1003 if ( event_thread ) { | |
| 1004 SDL_Unlock_EventThread(); | |
| 1005 } | |
| 1006 SDL_ResetKeyboard(); | |
| 1007 return(1); | |
| 1008 } | |
| 1009 | |
| 1010 /* Update the current mouse state and position */ | |
| 1011 static void X11_UpdateMouse(_THIS) | |
| 1012 { | |
| 1013 Window u1; int u2; | |
| 1014 Window current_win; | |
| 1015 int x, y; | |
| 1016 unsigned int mask; | |
| 1017 | |
| 1018 /* Lock the event thread, in multi-threading environments */ | |
| 1019 SDL_Lock_EventThread(); | |
| 1020 if ( XQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, | |
| 1021 &u2, &u2, &x, &y, &mask) ) { | |
| 1022 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1023 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1024 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1025 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1026 } else { | |
| 1027 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1028 } | |
| 1029 } | |
| 1030 SDL_Unlock_EventThread(); | |
| 1031 } | |
| 1032 | |
| 1033 /* simple colour distance metric. Supposed to be better than a plain | |
| 1034 Euclidian distance anyway. */ | |
| 1035 #define COLOUR_FACTOR 3 | |
| 1036 #define LIGHT_FACTOR 1 | |
| 1037 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1038 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1039 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1040 | |
| 1041 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1042 SDL_Color *want, int nwant) | |
| 1043 { | |
| 1044 /* | |
| 1045 * There is no way to know which ones to choose from, so we retrieve | |
| 1046 * the entire colormap and try the nearest possible, until we find one | |
| 1047 * that is shared. | |
| 1048 */ | |
| 1049 XColor all[256]; | |
| 1050 int i; | |
| 1051 for(i = 0; i < 256; i++) | |
| 1052 all[i].pixel = i; | |
| 1053 /* | |
| 1054 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1055 * that to keep track of which colours are available | |
| 1056 */ | |
| 1057 XQueryColors(GFX_Display, SDL_XColorMap, all, 256); | |
| 1058 | |
| 1059 for(i = 0; i < nwant; i++) { | |
| 1060 XColor *c; | |
| 1061 int j; | |
| 1062 int best = 0; | |
| 1063 int mindist = 0x7fffffff; | |
| 1064 int ri = want[i].r; | |
| 1065 int gi = want[i].g; | |
| 1066 int bi = want[i].b; | |
| 1067 for(j = 0; j < 256; j++) { | |
| 1068 int rj, gj, bj, d2; | |
| 1069 if(!all[j].flags) | |
| 1070 continue; /* unavailable colour cell */ | |
| 1071 rj = all[j].red >> 8; | |
| 1072 gj = all[j].green >> 8; | |
| 1073 bj = all[j].blue >> 8; | |
| 1074 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1075 if(d2 < mindist) { | |
| 1076 mindist = d2; | |
| 1077 best = j; | |
| 1078 } | |
| 1079 } | |
| 1080 if(SDL_XPixels[best]) | |
| 1081 continue; /* already allocated, waste no more time */ | |
| 1082 c = all + best; | |
| 1083 if(XAllocColor(GFX_Display, SDL_XColorMap, c)) { | |
| 1084 /* got it */ | |
|
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diff
changeset
|
1085 colors[c->pixel].r = c->red >> 8; |
|
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Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
1086 colors[c->pixel].g = c->green >> 8; |
|
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Fixed X11 icon color allocation (thanks Mattias!)
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parents:
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diff
changeset
|
1087 colors[c->pixel].b = c->blue >> 8; |
|
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Fixed X11 icon color allocation (thanks Mattias!)
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diff
changeset
|
1088 ++SDL_XPixels[c->pixel]; |
| 0 | 1089 } else { |
| 1090 /* | |
| 1091 * The colour couldn't be allocated, probably being | |
| 1092 * owned as a r/w cell by another client. Flag it as | |
| 1093 * unavailable and try again. The termination of the | |
| 1094 * loop is guaranteed since at least black and white | |
| 1095 * are always there. | |
| 1096 */ | |
| 1097 c->flags = 0; | |
| 1098 i--; | |
| 1099 } | |
| 1100 } | |
| 1101 } | |
| 1102 | |
| 1103 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1104 { | |
| 1105 int nrej = 0; | |
| 1106 | |
| 1107 /* Check to make sure we have a colormap allocated */ | |
| 1108 if ( SDL_XPixels == NULL ) { | |
| 1109 return(0); | |
| 1110 } | |
| 1111 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1112 /* private writable colormap: just set the colours we need */ | |
| 1113 XColor *xcmap; | |
| 1114 int i; | |
| 1115 xcmap = ALLOCA(ncolors*sizeof(*xcmap)); | |
| 1116 if(xcmap == NULL) | |
| 1117 return 0; | |
| 1118 for ( i=0; i<ncolors; ++i ) { | |
| 1119 xcmap[i].pixel = i + firstcolor; | |
| 1120 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1121 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1122 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1123 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1124 } | |
| 1125 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); | |
| 1126 XSync(GFX_Display, False); | |
| 1127 FREEA(xcmap); | |
| 1128 } else { | |
| 1129 /* | |
| 1130 * Shared colormap: We only allocate read-only cells, which | |
| 1131 * increases the likelyhood of colour sharing with other | |
| 1132 * clients. The pixel values will almost certainly be | |
| 1133 * different from the requested ones, so the user has to | |
| 1134 * walk the colormap and see which index got what colour. | |
| 1135 * | |
| 1136 * We can work directly with the logical palette since it | |
| 1137 * has already been set when we get here. | |
| 1138 */ | |
| 1139 SDL_Color *want, *reject; | |
| 1140 unsigned long *freelist; | |
| 1141 int i; | |
| 1142 int nfree = 0; | |
| 1143 int nc = this->screen->format->palette->ncolors; | |
| 1144 colors = this->screen->format->palette->colors; | |
| 1145 freelist = ALLOCA(nc * sizeof(*freelist)); | |
| 1146 /* make sure multiple allocations of the same cell are freed */ | |
| 1147 for(i = 0; i < ncolors; i++) { | |
| 1148 int pixel = firstcolor + i; | |
| 1149 while(SDL_XPixels[pixel]) { | |
| 1150 freelist[nfree++] = pixel; | |
| 1151 --SDL_XPixels[pixel]; | |
| 1152 } | |
| 1153 } | |
| 1154 XFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); | |
| 1155 FREEA(freelist); | |
| 1156 | |
| 1157 want = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1158 reject = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1159 memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); | |
| 1160 /* make sure the user isn't fooled by her own wishes | |
| 1161 (black is safe, always available in the default colormap) */ | |
| 1162 memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); | |
| 1163 | |
| 1164 /* now try to allocate the colours */ | |
| 1165 for(i = 0; i < ncolors; i++) { | |
| 1166 XColor col; | |
| 1167 col.red = want[i].r << 8; | |
| 1168 col.green = want[i].g << 8; | |
| 1169 col.blue = want[i].b << 8; | |
| 1170 col.flags = DoRed | DoGreen | DoBlue; | |
| 1171 if(XAllocColor(GFX_Display, SDL_XColorMap, &col)) { | |
| 1172 /* We got the colour, or at least the nearest | |
| 1173 the hardware could get. */ | |
| 1174 colors[col.pixel].r = col.red >> 8; | |
| 1175 colors[col.pixel].g = col.green >> 8; | |
| 1176 colors[col.pixel].b = col.blue >> 8; | |
| 1177 ++SDL_XPixels[col.pixel]; | |
| 1178 } else { | |
| 1179 /* | |
| 1180 * no more free cells, add it to the list | |
| 1181 * of rejected colours | |
| 1182 */ | |
| 1183 reject[nrej++] = want[i]; | |
| 1184 } | |
| 1185 } | |
| 1186 if(nrej) | |
| 1187 allocate_nearest(this, colors, reject, nrej); | |
| 1188 FREEA(reject); | |
| 1189 FREEA(want); | |
| 1190 } | |
| 1191 return nrej == 0; | |
| 1192 } | |
| 1193 | |
| 1194 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1195 { | |
| 1196 int i, ncolors; | |
| 1197 XColor xcmap[256]; | |
| 1198 | |
| 1199 /* See if actually setting the gamma is supported */ | |
| 1200 if ( SDL_Visual->class != DirectColor ) { | |
| 1201 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1202 return(-1); | |
| 1203 } | |
| 1204 | |
| 1205 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1206 ncolors = SDL_Visual->map_entries; | |
| 1207 for ( i=0; i<ncolors; ++i ) { | |
| 1208 Uint8 c = (256 * i / ncolors); | |
| 1209 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1210 xcmap[i].red = ramp[0*256+c]; | |
| 1211 xcmap[i].green = ramp[1*256+c]; | |
| 1212 xcmap[i].blue = ramp[2*256+c]; | |
| 1213 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1214 } | |
| 1215 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); | |
| 1216 XSync(GFX_Display, False); | |
| 1217 return(0); | |
| 1218 } | |
| 1219 | |
| 1220 /* Note: If we are terminated, this could be called in the middle of | |
| 1221 another SDL video routine -- notably UpdateRects. | |
| 1222 */ | |
| 1223 void X11_VideoQuit(_THIS) | |
| 1224 { | |
| 1225 /* Shutdown everything that's still up */ | |
| 1226 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1227 if ( SDL_Display != NULL ) { | |
| 1228 /* Flush any delayed updates */ | |
| 1229 XSync(GFX_Display, False); | |
| 1230 | |
| 1231 /* Start shutting down the windows */ | |
| 1232 X11_DestroyImage(this, this->screen); | |
| 1233 X11_DestroyWindow(this, this->screen); | |
| 1234 X11_FreeVideoModes(this); | |
| 1235 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
| 1236 XFreeColormap(SDL_Display, SDL_XColorMap); | |
| 1237 } | |
| 1238 if ( SDL_iconcolors ) { | |
| 1239 unsigned long pixel; | |
|
236
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Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1240 Colormap dcmap = DefaultColormap(SDL_Display, |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1241 SDL_Screen); |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1242 for(pixel = 0; pixel < 256; ++pixel) { |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1243 while(SDL_iconcolors[pixel] > 0) { |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1244 XFreeColors(GFX_Display, |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1245 dcmap, &pixel, 1, 0); |
| 0 | 1246 --SDL_iconcolors[pixel]; |
| 1247 } | |
| 1248 } | |
| 1249 free(SDL_iconcolors); | |
| 1250 SDL_iconcolors = NULL; | |
| 1251 } | |
| 1252 /* Restore gamma settings if they've changed */ | |
| 1253 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1254 X11_SwapVidModeGamma(this); | |
| 1255 } | |
| 1256 | |
| 1257 /* Free that blank cursor */ | |
| 1258 if ( SDL_BlankCursor != NULL ) { | |
| 1259 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1260 SDL_BlankCursor = NULL; | |
| 1261 } | |
| 1262 | |
| 1263 /* Close the X11 graphics connection */ | |
| 1264 if ( GFX_Display != NULL ) { | |
| 1265 XCloseDisplay(GFX_Display); | |
| 1266 GFX_Display = NULL; | |
| 1267 } | |
| 1268 | |
| 1269 /* Close the X11 display connection */ | |
| 1270 XCloseDisplay(SDL_Display); | |
| 1271 SDL_Display = NULL; | |
| 1272 | |
| 1273 /* Reset the X11 error handlers */ | |
| 1274 if ( XIO_handler ) { | |
| 1275 XSetIOErrorHandler(XIO_handler); | |
| 1276 } | |
| 1277 if ( X_handler ) { | |
| 1278 XSetErrorHandler(X_handler); | |
| 1279 } | |
| 1280 | |
| 1281 /* Unload GL library after X11 shuts down */ | |
| 1282 X11_GL_UnloadLibrary(this); | |
| 1283 } | |
| 1284 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1285 /* Direct screen access, no memory buffer */ | |
| 1286 this->screen->pixels = NULL; | |
| 1287 } | |
| 1288 } | |
| 1289 |