Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 1297:7b32c7a586c9
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 30 Jan 2006 13:32:31 +0000 |
| parents | d2c6881935be |
| children | 2bf9dda618e5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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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 | |
|
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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 | |
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88 |
| 0 | 89 /* X11 driver bootstrap functions */ |
| 90 | |
| 91 static int X11_Available(void) | |
| 92 { | |
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93 Display *display = NULL; |
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94 if ( SDL_X11_LoadSymbols() ) { |
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95 display = pXOpenDisplay(NULL); |
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96 if ( display != NULL ) { |
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97 pXCloseDisplay(display); |
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98 } |
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99 SDL_X11_UnloadSymbols(); |
| 0 | 100 } |
| 101 return(display != NULL); | |
| 102 } | |
| 103 | |
| 104 static void X11_DeleteDevice(SDL_VideoDevice *device) | |
| 105 { | |
| 106 if ( device ) { | |
| 107 if ( device->hidden ) { | |
| 108 free(device->hidden); | |
| 109 } | |
| 110 if ( device->gl_data ) { | |
| 111 free(device->gl_data); | |
| 112 } | |
| 113 free(device); | |
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114 SDL_X11_UnloadSymbols(); |
| 0 | 115 } |
| 116 } | |
| 117 | |
| 118 static SDL_VideoDevice *X11_CreateDevice(int devindex) | |
| 119 { | |
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120 SDL_VideoDevice *device = NULL; |
| 0 | 121 |
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122 if ( SDL_X11_LoadSymbols() ) { |
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123 /* Initialize all variables that we clean on shutdown */ |
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124 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); |
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125 if ( device ) { |
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126 memset(device, 0, (sizeof *device)); |
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127 device->hidden = (struct SDL_PrivateVideoData *) |
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128 malloc((sizeof *device->hidden)); |
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129 device->gl_data = (struct SDL_PrivateGLData *) |
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130 malloc((sizeof *device->gl_data)); |
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131 } |
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132 if ( (device == NULL) || (device->hidden == NULL) || |
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133 (device->gl_data == NULL) ) { |
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134 SDL_OutOfMemory(); |
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135 X11_DeleteDevice(device); /* calls SDL_X11_UnloadSymbols(). */ |
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136 return(0); |
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137 } |
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138 memset(device->hidden, 0, (sizeof *device->hidden)); |
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139 memset(device->gl_data, 0, (sizeof *device->gl_data)); |
| 0 | 140 |
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141 /* Set the driver flags */ |
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142 device->handles_any_size = 1; |
| 0 | 143 |
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144 /* Set the function pointers */ |
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145 device->VideoInit = X11_VideoInit; |
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146 device->ListModes = X11_ListModes; |
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147 device->SetVideoMode = X11_SetVideoMode; |
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148 device->ToggleFullScreen = X11_ToggleFullScreen; |
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149 device->UpdateMouse = X11_UpdateMouse; |
| 0 | 150 #ifdef XFREE86_XV |
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151 device->CreateYUVOverlay = X11_CreateYUVOverlay; |
| 0 | 152 #endif |
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153 device->SetColors = X11_SetColors; |
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154 device->UpdateRects = NULL; |
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155 device->VideoQuit = X11_VideoQuit; |
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156 device->AllocHWSurface = X11_AllocHWSurface; |
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157 device->CheckHWBlit = NULL; |
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158 device->FillHWRect = NULL; |
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159 device->SetHWColorKey = NULL; |
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160 device->SetHWAlpha = NULL; |
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161 device->LockHWSurface = X11_LockHWSurface; |
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162 device->UnlockHWSurface = X11_UnlockHWSurface; |
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163 device->FlipHWSurface = X11_FlipHWSurface; |
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164 device->FreeHWSurface = X11_FreeHWSurface; |
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165 device->SetGamma = X11_SetVidModeGamma; |
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166 device->GetGamma = X11_GetVidModeGamma; |
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167 device->SetGammaRamp = X11_SetGammaRamp; |
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168 device->GetGammaRamp = NULL; |
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169 #ifdef HAVE_OPENGL_X11 |
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170 device->GL_LoadLibrary = X11_GL_LoadLibrary; |
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171 device->GL_GetProcAddress = X11_GL_GetProcAddress; |
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172 device->GL_GetAttribute = X11_GL_GetAttribute; |
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173 device->GL_MakeCurrent = X11_GL_MakeCurrent; |
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174 device->GL_SwapBuffers = X11_GL_SwapBuffers; |
| 0 | 175 #endif |
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176 device->SetCaption = X11_SetCaption; |
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177 device->SetIcon = X11_SetIcon; |
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178 device->IconifyWindow = X11_IconifyWindow; |
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179 device->GrabInput = X11_GrabInput; |
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180 device->GetWMInfo = X11_GetWMInfo; |
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181 device->FreeWMCursor = X11_FreeWMCursor; |
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182 device->CreateWMCursor = X11_CreateWMCursor; |
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183 device->ShowWMCursor = X11_ShowWMCursor; |
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184 device->WarpWMCursor = X11_WarpWMCursor; |
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185 device->CheckMouseMode = X11_CheckMouseMode; |
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186 device->InitOSKeymap = X11_InitOSKeymap; |
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187 device->PumpEvents = X11_PumpEvents; |
| 0 | 188 |
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189 device->free = X11_DeleteDevice; |
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190 } |
| 0 | 191 |
| 192 return device; | |
| 193 } | |
| 194 | |
| 195 VideoBootStrap X11_bootstrap = { | |
| 196 "x11", "X Window System", | |
| 197 X11_Available, X11_CreateDevice | |
| 198 }; | |
| 199 | |
| 200 /* Normal X11 error handler routine */ | |
| 201 static int (*X_handler)(Display *, XErrorEvent *) = NULL; | |
| 202 static int x_errhandler(Display *d, XErrorEvent *e) | |
| 203 { | |
| 204 #ifdef XFREE86_VM | |
| 205 extern int vm_error; | |
| 206 #endif | |
| 207 #ifdef XFREE86_DGAMOUSE | |
| 208 extern int dga_error; | |
| 209 #endif | |
| 210 | |
| 211 #ifdef XFREE86_VM | |
| 212 /* VidMode errors are non-fatal. :) */ | |
| 213 /* Are the errors offset by one from the error base? | |
| 214 e.g. the error base is 143, the code is 148, and the | |
| 215 actual error is XF86VidModeExtensionDisabled (4) ? | |
| 216 */ | |
| 217 if ( (vm_error >= 0) && | |
| 218 (((e->error_code == BadRequest)&&(e->request_code == vm_error)) || | |
| 219 ((e->error_code > vm_error) && | |
| 220 (e->error_code <= (vm_error+XF86VidModeNumberErrors)))) ) { | |
| 221 #ifdef XFREE86_DEBUG | |
| 222 { char errmsg[1024]; | |
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223 pXGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 224 printf("VidMode error: %s\n", errmsg); |
| 225 } | |
| 226 #endif | |
| 227 return(0); | |
| 228 } | |
| 229 #endif /* XFREE86_VM */ | |
| 230 | |
| 231 #ifdef XFREE86_DGAMOUSE | |
| 232 /* DGA errors can be non-fatal. :) */ | |
| 233 if ( (dga_error >= 0) && | |
| 234 ((e->error_code > dga_error) && | |
| 235 (e->error_code <= (dga_error+XF86DGANumberErrors))) ) { | |
| 236 #ifdef XFREE86_DEBUG | |
| 237 { char errmsg[1024]; | |
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238 pXGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 239 printf("DGA error: %s\n", errmsg); |
| 240 } | |
| 241 #endif | |
| 242 return(0); | |
| 243 } | |
| 244 #endif /* XFREE86_DGAMOUSE */ | |
| 245 | |
| 246 return(X_handler(d,e)); | |
| 247 } | |
| 248 | |
| 249 /* X11 I/O error handler routine */ | |
| 250 static int (*XIO_handler)(Display *) = NULL; | |
| 251 static int xio_errhandler(Display *d) | |
| 252 { | |
| 253 /* Ack! Lost X11 connection! */ | |
| 254 | |
| 255 /* We will crash if we try to clean up our display */ | |
| 256 if ( current_video->hidden->Ximage ) { | |
| 257 SDL_VideoSurface->pixels = NULL; | |
| 258 } | |
| 259 current_video->hidden->X11_Display = NULL; | |
| 260 | |
| 261 /* Continue with the standard X11 error handler */ | |
| 262 return(XIO_handler(d)); | |
| 263 } | |
| 264 | |
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265 static int (*Xext_handler)(Display *,char *,char *) = NULL; |
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266 static int xext_errhandler(Display *d, char *ext_name, char *reason) |
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267 { |
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268 #ifdef XFREE86_DEBUG |
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269 printf("Xext error inside SDL (may be harmless):\n"); |
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270 printf(" Extension \"%s\" %s on display \"%s\".\n", |
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271 ext_name, reason, pXDisplayString(d)); |
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272 #endif |
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273 |
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274 if (strcmp(reason, "missing") == 0) { |
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275 /* |
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276 * Since the query itself, elsewhere, can handle a missing extension |
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277 * and the default behaviour in Xlib is to write to stderr, which |
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278 * generates unnecessary bug reports, we just ignore these. |
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279 */ |
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280 return 0; |
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281 } |
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282 |
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283 /* Everything else goes to the default handler... */ |
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284 return Xext_handler(d, ext_name, reason); |
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285 } |
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286 |
| 0 | 287 /* Create auxiliary (toplevel) windows with the current visual */ |
| 288 static void create_aux_windows(_THIS) | |
| 289 { | |
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290 char * savedclassname = NULL; |
| 0 | 291 XSetWindowAttributes xattr; |
| 292 XWMHints *hints; | |
| 293 XTextProperty titleprop, iconprop; | |
| 294 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); | |
| 295 | |
| 296 /* Don't create any extra windows if we are being managed */ | |
| 297 if ( SDL_windowid ) { | |
| 298 FSwindow = 0; | |
| 299 WMwindow = strtol(SDL_windowid, NULL, 0); | |
| 300 return; | |
| 301 } | |
| 302 | |
| 303 if(FSwindow) | |
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304 pXDestroyWindow(SDL_Display, FSwindow); |
| 0 | 305 |
| 306 xattr.override_redirect = True; | |
| 307 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 308 xattr.border_pixel = 0; | |
| 309 xattr.colormap = SDL_XColorMap; | |
| 310 | |
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311 FSwindow = pXCreateWindow(SDL_Display, SDL_Root, |
|
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312 xinerama_x, xinerama_y, 32, 32, 0, |
| 0 | 313 this->hidden->depth, InputOutput, SDL_Visual, |
| 314 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 315 | CWColormap, | |
| 316 &xattr); | |
| 317 | |
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318 pXSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 319 |
| 320 /* Tell KDE to keep the fullscreen window on top */ | |
| 321 { | |
| 322 XEvent ev; | |
| 323 long mask; | |
| 324 | |
| 325 memset(&ev, 0, sizeof(ev)); | |
| 326 ev.xclient.type = ClientMessage; | |
| 327 ev.xclient.window = SDL_Root; | |
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328 ev.xclient.message_type = pXInternAtom(SDL_Display, |
| 0 | 329 "KWM_KEEP_ON_TOP", False); |
| 330 ev.xclient.format = 32; | |
| 331 ev.xclient.data.l[0] = FSwindow; | |
| 332 ev.xclient.data.l[1] = CurrentTime; | |
| 333 mask = SubstructureRedirectMask; | |
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334 pXSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 335 } |
| 336 | |
| 337 hints = NULL; | |
| 338 titleprop.value = iconprop.value = NULL; | |
| 339 if(WMwindow) { | |
| 340 /* All window attributes must survive the recreation */ | |
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341 hints = pXGetWMHints(SDL_Display, WMwindow); |
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342 pXGetWMName(SDL_Display, WMwindow, &titleprop); |
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343 pXGetWMIconName(SDL_Display, WMwindow, &iconprop); |
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344 pXDestroyWindow(SDL_Display, WMwindow); |
| 0 | 345 } |
| 346 | |
| 347 /* Create the window for windowed management */ | |
| 348 /* (reusing the xattr structure above) */ | |
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349 WMwindow = pXCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0, |
| 0 | 350 this->hidden->depth, InputOutput, SDL_Visual, |
| 351 CWBackPixel | CWBorderPixel | CWColormap, | |
| 352 &xattr); | |
| 353 | |
| 354 /* Set the input hints so we get keyboard input */ | |
| 355 if(!hints) { | |
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356 hints = pXAllocWMHints(); |
| 0 | 357 hints->input = True; |
| 358 hints->flags = InputHint; | |
| 359 } | |
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360 pXSetWMHints(SDL_Display, WMwindow, hints); |
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361 pXFree(hints); |
| 0 | 362 if(titleprop.value) { |
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363 pXSetWMName(SDL_Display, WMwindow, &titleprop); |
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364 pXFree(titleprop.value); |
| 0 | 365 } |
| 366 if(iconprop.value) { | |
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367 pXSetWMIconName(SDL_Display, WMwindow, &iconprop); |
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368 pXFree(iconprop.value); |
| 0 | 369 } |
| 370 | |
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371 pXSelectInput(SDL_Display, WMwindow, |
| 0 | 372 FocusChangeMask | KeyPressMask | KeyReleaseMask |
| 373 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 374 | |
| 375 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 376 { | |
| 377 XClassHint *classhints; | |
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378 classhints = pXAllocClassHint(); |
| 0 | 379 if(classhints != NULL) { |
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380 char *classname = getenv("SDL_VIDEO_X11_WMCLASS"); |
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381 if ( ! classname ) { |
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382 classname = "SDL_App"; |
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383 } |
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384 savedclassname = strdup(classname); |
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385 classhints->res_name = classname; |
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386 classhints->res_class = classname; |
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387 pXSetClassHint(SDL_Display, WMwindow, classhints); |
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388 pXFree(classhints); |
| 0 | 389 } |
| 390 } | |
| 391 | |
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392 /* Setup the communication with the IM server */ |
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393 SDL_IM = NULL; |
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394 SDL_IC = NULL; |
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395 |
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396 #ifdef X_HAVE_UTF8_STRING |
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397 SDL_IM = pXOpenIM(SDL_Display, NULL, savedclassname, savedclassname); |
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398 if (SDL_IM == NULL) { |
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399 SDL_SetError("no input method could be opened"); |
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400 } else { |
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401 SDL_IC = pXCreateIC(SDL_IM, |
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402 XNClientWindow, WMwindow, |
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403 XNFocusWindow, WMwindow, |
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404 XNInputStyle, XIMPreeditNothing | XIMStatusNothing, |
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405 XNResourceName, savedclassname, |
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406 XNResourceClass, savedclassname, |
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407 NULL); |
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408 if (SDL_IC == NULL) { |
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409 SDL_SetError("no input context could be created"); |
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410 pXCloseIM(SDL_IM); |
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411 SDL_IM = NULL; |
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412 } |
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413 } |
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414 #endif |
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415 |
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416 free(savedclassname); |
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417 |
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418 |
| 0 | 419 /* Allow the window to be deleted by the window manager */ |
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420 WM_DELETE_WINDOW = pXInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
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421 pXSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 422 } |
| 423 | |
| 424 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 425 { | |
| 426 char *display; | |
| 427 int i; | |
| 428 | |
| 429 /* Open the X11 display */ | |
| 430 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 431 | |
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432 if ( (strncmp(pXDisplayName(display), ":", 1) == 0) || |
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433 (strncmp(pXDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 434 local_X11 = 1; |
| 435 } else { | |
| 436 local_X11 = 0; | |
| 437 } | |
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438 SDL_Display = pXOpenDisplay(display); |
| 0 | 439 if ( SDL_Display == NULL ) { |
| 440 SDL_SetError("Couldn't open X11 display"); | |
| 441 return(-1); | |
| 442 } | |
| 443 #ifdef X11_DEBUG | |
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444 pXSynchronize(SDL_Display, True); |
| 0 | 445 #endif |
| 446 | |
| 447 /* Create an alternate X display for graphics updates -- allows us | |
| 448 to do graphics updates in a separate thread from event handling. | |
| 449 Thread-safe X11 doesn't seem to exist. | |
| 450 */ | |
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451 GFX_Display = pXOpenDisplay(display); |
| 0 | 452 if ( GFX_Display == NULL ) { |
| 453 SDL_SetError("Couldn't open X11 display"); | |
| 454 return(-1); | |
| 455 } | |
| 456 | |
| 457 /* Set the normal X error handler */ | |
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458 X_handler = pXSetErrorHandler(x_errhandler); |
| 0 | 459 |
| 460 /* Set the error handler if we lose the X display */ | |
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461 XIO_handler = pXSetIOErrorHandler(xio_errhandler); |
| 0 | 462 |
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463 /* Set the X extension error handler */ |
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464 Xext_handler = pXSetExtensionErrorHandler(xext_errhandler); |
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465 |
| 0 | 466 /* use default screen (from $DISPLAY) */ |
| 467 SDL_Screen = DefaultScreen(SDL_Display); | |
| 468 | |
| 469 #ifndef NO_SHARED_MEMORY | |
| 470 /* Check for MIT shared memory extension */ | |
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471 use_mitshm = 0; |
| 0 | 472 if ( local_X11 ) { |
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473 use_mitshm = pXShmQueryExtension(SDL_Display); |
| 0 | 474 } |
| 475 #endif /* NO_SHARED_MEMORY */ | |
| 476 | |
| 477 /* Get the available video modes */ | |
| 478 if(X11_GetVideoModes(this) < 0) | |
| 479 return -1; | |
| 480 | |
| 481 /* Determine the default screen depth: | |
| 482 Use the default visual (or at least one with the same depth) */ | |
| 483 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 484 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 485 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 486 SDL_Screen)) | |
| 487 break; | |
| 488 if(i == this->hidden->nvisuals) { | |
| 489 /* default visual was useless, take the deepest one instead */ | |
| 490 i = 0; | |
| 491 } | |
| 492 SDL_Visual = this->hidden->visuals[i].visual; | |
| 493 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 494 SDL_XColorMap = SDL_DisplayColormap; | |
| 495 } else { | |
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496 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 497 SDL_Visual, AllocNone); |
| 498 } | |
| 499 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 500 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 501 if ( vformat->BitsPerPixel > 8 ) { | |
| 502 vformat->Rmask = SDL_Visual->red_mask; | |
| 503 vformat->Gmask = SDL_Visual->green_mask; | |
| 504 vformat->Bmask = SDL_Visual->blue_mask; | |
| 505 } | |
| 506 X11_SaveVidModeGamma(this); | |
| 507 | |
| 508 /* See if we have been passed a window to use */ | |
| 509 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 510 | |
| 511 /* Create the fullscreen and managed windows */ | |
| 512 create_aux_windows(this); | |
| 513 | |
| 514 /* Create the blank cursor */ | |
| 515 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 516 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 517 BLANK_CHOTX, BLANK_CHOTY); | |
| 518 | |
| 519 /* Fill in some window manager capabilities */ | |
| 520 this->info.wm_available = 1; | |
| 521 | |
| 522 /* We're done! */ | |
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523 pXFlush(SDL_Display); |
| 0 | 524 return(0); |
| 525 } | |
| 526 | |
| 527 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 528 { | |
| 529 /* Clean up OpenGL */ | |
| 530 if ( screen ) { | |
| 531 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 532 } | |
| 533 X11_GL_Shutdown(this); | |
| 534 | |
| 535 if ( ! SDL_windowid ) { | |
| 536 /* Hide the managed window */ | |
| 537 if ( WMwindow ) { | |
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538 pXUnmapWindow(SDL_Display, WMwindow); |
| 0 | 539 } |
| 540 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 541 screen->flags &= ~SDL_FULLSCREEN; | |
| 542 X11_LeaveFullScreen(this); | |
| 543 } | |
| 544 | |
| 545 /* Destroy the output window */ | |
| 546 if ( SDL_Window ) { | |
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547 pXDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 548 } |
| 549 | |
| 550 /* Free the colormap entries */ | |
| 551 if ( SDL_XPixels ) { | |
| 552 int numcolors; | |
| 553 unsigned long pixel; | |
| 554 numcolors = SDL_Visual->map_entries; | |
| 555 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 556 while ( SDL_XPixels[pixel] > 0 ) { | |
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557 pXFreeColors(GFX_Display, |
| 0 | 558 SDL_DisplayColormap,&pixel,1,0); |
| 559 --SDL_XPixels[pixel]; | |
| 560 } | |
| 561 } | |
| 562 free(SDL_XPixels); | |
| 563 SDL_XPixels = NULL; | |
| 564 } | |
| 565 | |
| 566 /* Free the graphics context */ | |
| 567 if ( SDL_GC ) { | |
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568 pXFreeGC(SDL_Display, SDL_GC); |
| 0 | 569 SDL_GC = 0; |
| 570 } | |
| 571 } | |
| 572 } | |
| 573 | |
|
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574 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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575 { |
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576 const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
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577 const char *center = getenv("SDL_VIDEO_CENTERED"); |
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578 if ( window ) { |
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579 if ( sscanf(window, "%d,%d", x, y) == 2 ) { |
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580 return SDL_TRUE; |
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581 } |
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582 if ( strcmp(window, "center") == 0 ) { |
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583 center = window; |
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584 } |
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585 } |
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586 if ( center ) { |
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587 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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588 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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589 return SDL_TRUE; |
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590 } |
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591 return SDL_FALSE; |
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592 } |
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593 |
| 0 | 594 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 595 { | |
| 596 XSizeHints *hints; | |
| 597 | |
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598 hints = pXAllocSizeHints(); |
| 0 | 599 if ( hints ) { |
| 600 if ( flags & SDL_RESIZABLE ) { | |
| 601 hints->min_width = 32; | |
| 602 hints->min_height = 32; | |
| 603 hints->max_height = 4096; | |
| 604 hints->max_width = 4096; | |
| 605 } else { | |
| 606 hints->min_width = hints->max_width = w; | |
| 607 hints->min_height = hints->max_height = h; | |
| 608 } | |
| 609 hints->flags = PMaxSize | PMinSize; | |
| 610 if ( flags & SDL_FULLSCREEN ) { | |
| 611 hints->x = 0; | |
| 612 hints->y = 0; | |
| 613 hints->flags |= USPosition; | |
| 614 } else | |
| 615 /* Center it, if desired */ | |
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616 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 617 hints->flags |= USPosition; |
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618 pXMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 619 |
| 620 /* Flush the resize event so we don't catch it later */ | |
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621 pXSync(SDL_Display, True); |
| 0 | 622 } |
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623 pXSetWMNormalHints(SDL_Display, WMwindow, hints); |
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624 pXFree(hints); |
| 0 | 625 } |
| 626 | |
| 627 /* Respect the window caption style */ | |
| 628 if ( flags & SDL_NOFRAME ) { | |
| 629 SDL_bool set; | |
| 630 Atom WM_HINTS; | |
| 631 | |
| 632 /* We haven't modified the window manager hints yet */ | |
| 633 set = SDL_FALSE; | |
| 634 | |
| 635 /* First try to set MWM hints */ | |
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636 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 637 if ( WM_HINTS != None ) { |
| 638 /* Hints used by Motif compliant window managers */ | |
| 639 struct { | |
| 640 unsigned long flags; | |
| 641 unsigned long functions; | |
| 642 unsigned long decorations; | |
| 643 long input_mode; | |
| 644 unsigned long status; | |
| 645 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 646 | |
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647 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 648 WM_HINTS, WM_HINTS, 32, |
| 649 PropModeReplace, | |
| 650 (unsigned char *)&MWMHints, | |
| 651 sizeof(MWMHints)/sizeof(long)); | |
| 652 set = SDL_TRUE; | |
| 653 } | |
| 654 /* Now try to set KWM hints */ | |
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655 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 656 if ( WM_HINTS != None ) { |
| 657 long KWMHints = 0; | |
| 658 | |
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659 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 660 WM_HINTS, WM_HINTS, 32, |
| 661 PropModeReplace, | |
| 662 (unsigned char *)&KWMHints, | |
| 663 sizeof(KWMHints)/sizeof(long)); | |
| 664 set = SDL_TRUE; | |
| 665 } | |
| 666 /* Now try to set GNOME hints */ | |
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667 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 668 if ( WM_HINTS != None ) { |
| 669 long GNOMEHints = 0; | |
| 670 | |
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671 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 672 WM_HINTS, WM_HINTS, 32, |
| 673 PropModeReplace, | |
| 674 (unsigned char *)&GNOMEHints, | |
| 675 sizeof(GNOMEHints)/sizeof(long)); | |
| 676 set = SDL_TRUE; | |
| 677 } | |
| 678 /* Finally set the transient hints if necessary */ | |
| 679 if ( ! set ) { | |
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680 pXSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 681 } |
| 682 } else { | |
| 683 SDL_bool set; | |
| 684 Atom WM_HINTS; | |
| 685 | |
| 686 /* We haven't modified the window manager hints yet */ | |
| 687 set = SDL_FALSE; | |
| 688 | |
| 689 /* First try to unset MWM hints */ | |
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690 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 691 if ( WM_HINTS != None ) { |
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692 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 693 set = SDL_TRUE; |
| 694 } | |
| 695 /* Now try to unset KWM hints */ | |
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696 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 697 if ( WM_HINTS != None ) { |
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698 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 699 set = SDL_TRUE; |
| 700 } | |
| 701 /* Now try to unset GNOME hints */ | |
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702 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 703 if ( WM_HINTS != None ) { |
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704 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 705 set = SDL_TRUE; |
| 706 } | |
| 707 /* Finally unset the transient hints if necessary */ | |
| 708 if ( ! set ) { | |
| 709 /* NOTE: Does this work? */ | |
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710 pXSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 711 } |
| 712 } | |
| 713 } | |
| 714 | |
| 715 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 716 int w, int h, int bpp, Uint32 flags) | |
| 717 { | |
| 718 int i, depth; | |
| 719 Visual *vis; | |
| 720 int vis_change; | |
| 721 | |
| 722 /* If a window is already present, destroy it and start fresh */ | |
| 723 if ( SDL_Window ) { | |
| 724 X11_DestroyWindow(this, screen); | |
|
860
2bac79e27868
Create a 2D window and then manually focus a different window on your desktop,
Ryan C. Gordon <icculus@icculus.org>
parents:
769
diff
changeset
|
725 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 726 } |
| 727 | |
| 728 /* See if we have been given a window id */ | |
| 729 if ( SDL_windowid ) { | |
| 730 SDL_Window = strtol(SDL_windowid, NULL, 0); | |
| 731 } else { | |
| 732 SDL_Window = 0; | |
| 733 } | |
| 734 | |
| 735 /* find out which visual we are going to use */ | |
| 736 if ( flags & SDL_OPENGL ) { | |
| 737 XVisualInfo *vi; | |
| 738 | |
| 739 vi = X11_GL_GetVisual(this); | |
| 740 if( !vi ) { | |
| 741 return -1; | |
| 742 } | |
| 743 vis = vi->visual; | |
| 744 depth = vi->depth; | |
| 745 } else if ( SDL_windowid ) { | |
| 746 XWindowAttributes a; | |
| 747 | |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
748 pXGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 749 vis = a.visual; |
| 750 depth = a.depth; | |
| 751 } else { | |
| 752 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 753 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 754 break; | |
| 755 } | |
| 756 if ( i == this->hidden->nvisuals ) { | |
| 757 SDL_SetError("No matching visual for requested depth"); | |
| 758 return -1; /* should never happen */ | |
| 759 } | |
| 760 vis = this->hidden->visuals[i].visual; | |
| 761 depth = this->hidden->visuals[i].depth; | |
| 762 } | |
| 763 #ifdef X11_DEBUG | |
| 764 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); | |
| 765 #endif | |
| 766 vis_change = (vis != SDL_Visual); | |
| 767 SDL_Visual = vis; | |
| 768 this->hidden->depth = depth; | |
| 769 | |
| 770 /* Allocate the new pixel format for this video mode */ | |
| 771 if ( ! SDL_ReallocFormat(screen, bpp, | |
| 772 vis->red_mask, vis->green_mask, vis->blue_mask, 0) ) | |
| 773 return -1; | |
| 774 | |
| 775 /* Create the appropriate colormap */ | |
| 776 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
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parents:
867
diff
changeset
|
777 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 778 } |
| 779 if ( SDL_Visual->class == PseudoColor ) { | |
| 780 int ncolors; | |
| 781 | |
| 782 /* Allocate the pixel flags */ | |
| 783 ncolors = SDL_Visual->map_entries; | |
| 784 SDL_XPixels = malloc(ncolors * sizeof(int)); | |
| 785 if(SDL_XPixels == NULL) { | |
| 786 SDL_OutOfMemory(); | |
| 787 return -1; | |
| 788 } | |
| 789 memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); | |
| 790 | |
| 791 /* always allocate a private colormap on non-default visuals */ | |
| 792 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 793 flags |= SDL_HWPALETTE; | |
| 794 } | |
| 795 if ( flags & SDL_HWPALETTE ) { | |
| 796 screen->flags |= SDL_HWPALETTE; | |
|
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
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parents:
867
diff
changeset
|
797 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 798 SDL_Visual, AllocAll); |
| 799 } else { | |
| 800 SDL_XColorMap = SDL_DisplayColormap; | |
| 801 } | |
| 802 } else if ( SDL_Visual->class == DirectColor ) { | |
| 803 | |
| 804 /* Create a colormap which we can manipulate for gamma */ | |
|
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
805 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 806 SDL_Visual, AllocAll); |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
807 pXSync(SDL_Display, False); |
| 0 | 808 |
| 809 /* Initialize the colormap to the identity mapping */ | |
| 810 SDL_GetGammaRamp(0, 0, 0); | |
| 811 this->screen = screen; | |
| 812 X11_SetGammaRamp(this, this->gamma); | |
| 813 this->screen = NULL; | |
| 814 } else { | |
| 815 /* Create a read-only colormap for our window */ | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
816 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 817 SDL_Visual, AllocNone); |
| 818 } | |
| 819 | |
| 820 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 821 if ( vis_change ) | |
| 822 create_aux_windows(this); | |
| 823 | |
| 824 if(screen->flags & SDL_HWPALETTE) { | |
| 825 /* Since the full-screen window might have got a nonzero background | |
| 826 colour (0 is white on some displays), we should reset the | |
| 827 background to 0 here since that is what the user expects | |
| 828 with a private colormap */ | |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
829 pXSetWindowBackground(SDL_Display, FSwindow, 0); |
|
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
830 pXClearWindow(SDL_Display, FSwindow); |
| 0 | 831 } |
| 832 | |
| 833 /* resize the (possibly new) window manager window */ | |
| 834 if( !SDL_windowid ) { | |
| 835 X11_SetSizeHints(this, w, h, flags); | |
| 836 current_w = w; | |
| 837 current_h = h; | |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
838 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 839 } |
| 840 | |
| 841 /* Create (or use) the X11 display window */ | |
| 842 if ( !SDL_windowid ) { | |
| 843 if ( flags & SDL_OPENGL ) { | |
| 844 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 845 return(-1); | |
| 846 } | |
| 847 } else { | |
| 848 XSetWindowAttributes swa; | |
| 849 | |
| 850 swa.background_pixel = 0; | |
| 851 swa.border_pixel = 0; | |
| 852 swa.colormap = SDL_XColorMap; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
853 SDL_Window = pXCreateWindow(SDL_Display, WMwindow, |
| 0 | 854 0, 0, w, h, 0, depth, |
| 855 InputOutput, SDL_Visual, | |
| 856 CWBackPixel | CWBorderPixel | |
| 857 | CWColormap, &swa); | |
| 858 } | |
| 859 /* Only manage our input if we own the window */ | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
860 pXSelectInput(SDL_Display, SDL_Window, |
| 0 | 861 ( EnterWindowMask | LeaveWindowMask |
| 862 | ButtonPressMask | ButtonReleaseMask | |
| 863 | PointerMotionMask | ExposureMask )); | |
| 864 } | |
| 865 /* Create the graphics context here, once we have a window */ | |
| 866 if ( flags & SDL_OPENGL ) { | |
| 867 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 868 return(-1); | |
| 869 } else { | |
| 870 screen->flags |= SDL_OPENGL; | |
| 871 } | |
| 872 } else { | |
| 873 XGCValues gcv; | |
| 874 | |
| 875 gcv.graphics_exposures = False; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
876 SDL_GC = pXCreateGC(SDL_Display, SDL_Window, |
| 0 | 877 GCGraphicsExposures, &gcv); |
| 878 if ( ! SDL_GC ) { | |
| 879 SDL_SetError("Couldn't create graphics context"); | |
| 880 return(-1); | |
| 881 } | |
| 882 } | |
| 883 | |
| 884 /* Set our colormaps when not setting a GL mode */ | |
| 885 if ( ! (flags & SDL_OPENGL) ) { | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
886 pXSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 887 if( !SDL_windowid ) { |
|
1168
045f186426e1
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Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
888 pXSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap); |
|
045f186426e1
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Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
889 pXSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 890 } |
| 891 } | |
| 892 | |
| 893 #if 0 /* This is an experiment - are the graphics faster now? - nope. */ | |
| 894 if ( getenv("SDL_VIDEO_X11_BACKINGSTORE") ) | |
| 895 #endif | |
| 896 /* Cache the window in the server, when possible */ | |
| 897 { | |
| 898 Screen *xscreen; | |
| 899 XSetWindowAttributes a; | |
| 900 | |
| 901 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 902 a.backing_store = DoesBackingStore(xscreen); | |
| 903 if ( a.backing_store != NotUseful ) { | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
904 pXChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 905 CWBackingStore, &a); |
| 906 } | |
| 907 } | |
| 908 | |
| 909 /* Update the internal keyboard state */ | |
|
1178
9867f3d86e44
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Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
910 X11_SetKeyboardState(SDL_Display, SDL_IC, NULL); |
| 0 | 911 |
|
444
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
912 /* When the window is first mapped, ignore non-modifier keys */ |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
913 { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
914 Uint8 *keys = SDL_GetKeyState(NULL); |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
915 for ( i = 0; i < SDLK_LAST; ++i ) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
916 switch (i) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
917 case SDLK_NUMLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
918 case SDLK_CAPSLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
919 case SDLK_LCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
920 case SDLK_RCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
921 case SDLK_LSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
922 case SDLK_RSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
923 case SDLK_LALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
924 case SDLK_RALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
925 case SDLK_LMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
926 case SDLK_RMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
927 case SDLK_MODE: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
928 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
929 default: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
930 keys[i] = SDL_RELEASED; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
931 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
932 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
933 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
934 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
935 |
| 0 | 936 /* Map them both and go fullscreen, if requested */ |
| 937 if ( ! SDL_windowid ) { | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
938 pXMapWindow(SDL_Display, SDL_Window); |
|
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
939 pXMapWindow(SDL_Display, WMwindow); |
| 160 | 940 X11_WaitMapped(this, WMwindow); |
| 0 | 941 if ( flags & SDL_FULLSCREEN ) { |
| 942 screen->flags |= SDL_FULLSCREEN; | |
| 943 X11_EnterFullScreen(this); | |
| 944 } else { | |
| 945 screen->flags &= ~SDL_FULLSCREEN; | |
| 946 } | |
| 947 } | |
|
1178
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
948 |
| 0 | 949 return(0); |
| 950 } | |
| 951 | |
| 952 static int X11_ResizeWindow(_THIS, | |
| 953 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 954 { | |
| 955 if ( ! SDL_windowid ) { | |
| 956 /* Resize the window manager window */ | |
| 957 X11_SetSizeHints(this, w, h, flags); | |
| 958 current_w = w; | |
| 959 current_h = h; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
960 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 961 |
| 962 /* Resize the fullscreen and display windows */ | |
| 963 if ( flags & SDL_FULLSCREEN ) { | |
| 964 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 965 X11_ResizeFullScreen(this); | |
| 966 } else { | |
| 967 screen->flags |= SDL_FULLSCREEN; | |
| 968 X11_EnterFullScreen(this); | |
| 969 } | |
| 970 } else { | |
| 971 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 972 screen->flags &= ~SDL_FULLSCREEN; | |
| 973 X11_LeaveFullScreen(this); | |
| 974 } | |
| 975 } | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
976 pXResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 977 } |
| 978 return(0); | |
| 979 } | |
| 980 | |
| 981 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 982 int width, int height, int bpp, Uint32 flags) | |
| 983 { | |
| 984 Uint32 saved_flags; | |
| 985 | |
| 986 /* Lock the event thread, in multi-threading environments */ | |
| 987 SDL_Lock_EventThread(); | |
| 988 | |
| 989 /* Check the combination of flags we were passed */ | |
| 990 if ( flags & SDL_FULLSCREEN ) { | |
| 991 /* Clear fullscreen flag if not supported */ | |
| 992 if ( SDL_windowid ) { | |
| 993 flags &= ~SDL_FULLSCREEN; | |
| 994 } | |
| 995 } | |
| 996 | |
| 997 /* Flush any delayed updates */ | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
998 pXSync(GFX_Display, False); |
| 0 | 999 |
| 1000 /* Set up the X11 window */ | |
| 1001 saved_flags = current->flags; | |
|
867
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1002 if ( (SDL_Window) && ((saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)) |
|
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1003 && (bpp == current->format->BitsPerPixel) |
|
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1004 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 1005 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 1006 current = NULL; | |
| 1007 goto done; | |
| 1008 } | |
| 1009 } else { | |
| 1010 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 1011 current = NULL; | |
| 1012 goto done; | |
| 1013 } | |
| 1014 } | |
| 1015 | |
| 1016 /* Set up the new mode framebuffer */ | |
| 1017 if ( ((current->w != width) || (current->h != height)) || | |
| 1018 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 1019 current->w = width; | |
| 1020 current->h = height; | |
| 1021 current->pitch = SDL_CalculatePitch(current); | |
| 1022 X11_ResizeImage(this, current, flags); | |
| 1023 } | |
| 1024 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 1025 | |
| 1026 done: | |
| 1027 /* Release the event thread */ | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1028 pXSync(SDL_Display, False); |
| 0 | 1029 SDL_Unlock_EventThread(); |
| 1030 | |
| 1031 /* We're done! */ | |
| 1032 return(current); | |
| 1033 } | |
| 1034 | |
| 1035 static int X11_ToggleFullScreen(_THIS, int on) | |
| 1036 { | |
| 1037 Uint32 event_thread; | |
| 1038 | |
| 1039 /* Don't switch if we don't own the window */ | |
| 1040 if ( SDL_windowid ) { | |
| 1041 return(0); | |
| 1042 } | |
| 1043 | |
| 1044 /* Don't lock if we are the event thread */ | |
| 1045 event_thread = SDL_EventThreadID(); | |
| 1046 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 1047 event_thread = 0; | |
| 1048 } | |
| 1049 if ( event_thread ) { | |
| 1050 SDL_Lock_EventThread(); | |
| 1051 } | |
| 1052 if ( on ) { | |
| 1053 this->screen->flags |= SDL_FULLSCREEN; | |
| 1054 X11_EnterFullScreen(this); | |
| 1055 } else { | |
| 1056 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1057 X11_LeaveFullScreen(this); | |
| 1058 } | |
| 1059 X11_RefreshDisplay(this); | |
| 1060 if ( event_thread ) { | |
| 1061 SDL_Unlock_EventThread(); | |
| 1062 } | |
| 1063 SDL_ResetKeyboard(); | |
| 1064 return(1); | |
| 1065 } | |
| 1066 | |
| 1067 /* Update the current mouse state and position */ | |
| 1068 static void X11_UpdateMouse(_THIS) | |
| 1069 { | |
| 1070 Window u1; int u2; | |
| 1071 Window current_win; | |
| 1072 int x, y; | |
| 1073 unsigned int mask; | |
| 1074 | |
| 1075 /* Lock the event thread, in multi-threading environments */ | |
| 1076 SDL_Lock_EventThread(); | |
|
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1077 if ( pXQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1078 &u2, &u2, &x, &y, &mask) ) { |
| 1079 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1080 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1081 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1082 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1083 } else { | |
| 1084 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1085 } | |
| 1086 } | |
| 1087 SDL_Unlock_EventThread(); | |
| 1088 } | |
| 1089 | |
| 1090 /* simple colour distance metric. Supposed to be better than a plain | |
| 1091 Euclidian distance anyway. */ | |
| 1092 #define COLOUR_FACTOR 3 | |
| 1093 #define LIGHT_FACTOR 1 | |
| 1094 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1095 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1096 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1097 | |
| 1098 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1099 SDL_Color *want, int nwant) | |
| 1100 { | |
| 1101 /* | |
| 1102 * There is no way to know which ones to choose from, so we retrieve | |
| 1103 * the entire colormap and try the nearest possible, until we find one | |
| 1104 * that is shared. | |
| 1105 */ | |
| 1106 XColor all[256]; | |
| 1107 int i; | |
| 1108 for(i = 0; i < 256; i++) | |
| 1109 all[i].pixel = i; | |
| 1110 /* | |
| 1111 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1112 * that to keep track of which colours are available | |
| 1113 */ | |
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1114 pXQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1115 |
| 1116 for(i = 0; i < nwant; i++) { | |
| 1117 XColor *c; | |
| 1118 int j; | |
| 1119 int best = 0; | |
| 1120 int mindist = 0x7fffffff; | |
| 1121 int ri = want[i].r; | |
| 1122 int gi = want[i].g; | |
| 1123 int bi = want[i].b; | |
| 1124 for(j = 0; j < 256; j++) { | |
| 1125 int rj, gj, bj, d2; | |
| 1126 if(!all[j].flags) | |
| 1127 continue; /* unavailable colour cell */ | |
| 1128 rj = all[j].red >> 8; | |
| 1129 gj = all[j].green >> 8; | |
| 1130 bj = all[j].blue >> 8; | |
| 1131 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1132 if(d2 < mindist) { | |
| 1133 mindist = d2; | |
| 1134 best = j; | |
| 1135 } | |
| 1136 } | |
| 1137 if(SDL_XPixels[best]) | |
| 1138 continue; /* already allocated, waste no more time */ | |
| 1139 c = all + best; | |
|
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1140 if(pXAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1141 /* got it */ |
|
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1142 colors[c->pixel].r = c->red >> 8; |
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1143 colors[c->pixel].g = c->green >> 8; |
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1144 colors[c->pixel].b = c->blue >> 8; |
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1145 ++SDL_XPixels[c->pixel]; |
| 0 | 1146 } else { |
| 1147 /* | |
| 1148 * The colour couldn't be allocated, probably being | |
| 1149 * owned as a r/w cell by another client. Flag it as | |
| 1150 * unavailable and try again. The termination of the | |
| 1151 * loop is guaranteed since at least black and white | |
| 1152 * are always there. | |
| 1153 */ | |
| 1154 c->flags = 0; | |
| 1155 i--; | |
| 1156 } | |
| 1157 } | |
| 1158 } | |
| 1159 | |
| 1160 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1161 { | |
| 1162 int nrej = 0; | |
| 1163 | |
| 1164 /* Check to make sure we have a colormap allocated */ | |
| 1165 if ( SDL_XPixels == NULL ) { | |
| 1166 return(0); | |
| 1167 } | |
| 1168 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1169 /* private writable colormap: just set the colours we need */ | |
| 1170 XColor *xcmap; | |
| 1171 int i; | |
| 1172 xcmap = ALLOCA(ncolors*sizeof(*xcmap)); | |
| 1173 if(xcmap == NULL) | |
| 1174 return 0; | |
| 1175 for ( i=0; i<ncolors; ++i ) { | |
| 1176 xcmap[i].pixel = i + firstcolor; | |
| 1177 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1178 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1179 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1180 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1181 } | |
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1182 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1183 pXSync(GFX_Display, False); |
| 0 | 1184 FREEA(xcmap); |
| 1185 } else { | |
| 1186 /* | |
| 1187 * Shared colormap: We only allocate read-only cells, which | |
| 1188 * increases the likelyhood of colour sharing with other | |
| 1189 * clients. The pixel values will almost certainly be | |
| 1190 * different from the requested ones, so the user has to | |
| 1191 * walk the colormap and see which index got what colour. | |
| 1192 * | |
| 1193 * We can work directly with the logical palette since it | |
| 1194 * has already been set when we get here. | |
| 1195 */ | |
| 1196 SDL_Color *want, *reject; | |
| 1197 unsigned long *freelist; | |
| 1198 int i; | |
| 1199 int nfree = 0; | |
| 1200 int nc = this->screen->format->palette->ncolors; | |
| 1201 colors = this->screen->format->palette->colors; | |
| 1202 freelist = ALLOCA(nc * sizeof(*freelist)); | |
| 1203 /* make sure multiple allocations of the same cell are freed */ | |
| 1204 for(i = 0; i < ncolors; i++) { | |
| 1205 int pixel = firstcolor + i; | |
| 1206 while(SDL_XPixels[pixel]) { | |
| 1207 freelist[nfree++] = pixel; | |
| 1208 --SDL_XPixels[pixel]; | |
| 1209 } | |
| 1210 } | |
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1211 pXFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
| 0 | 1212 FREEA(freelist); |
| 1213 | |
| 1214 want = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1215 reject = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1216 memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); | |
| 1217 /* make sure the user isn't fooled by her own wishes | |
| 1218 (black is safe, always available in the default colormap) */ | |
| 1219 memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); | |
| 1220 | |
| 1221 /* now try to allocate the colours */ | |
| 1222 for(i = 0; i < ncolors; i++) { | |
| 1223 XColor col; | |
| 1224 col.red = want[i].r << 8; | |
| 1225 col.green = want[i].g << 8; | |
| 1226 col.blue = want[i].b << 8; | |
| 1227 col.flags = DoRed | DoGreen | DoBlue; | |
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1228 if(pXAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1229 /* We got the colour, or at least the nearest |
| 1230 the hardware could get. */ | |
| 1231 colors[col.pixel].r = col.red >> 8; | |
| 1232 colors[col.pixel].g = col.green >> 8; | |
| 1233 colors[col.pixel].b = col.blue >> 8; | |
| 1234 ++SDL_XPixels[col.pixel]; | |
| 1235 } else { | |
| 1236 /* | |
| 1237 * no more free cells, add it to the list | |
| 1238 * of rejected colours | |
| 1239 */ | |
| 1240 reject[nrej++] = want[i]; | |
| 1241 } | |
| 1242 } | |
| 1243 if(nrej) | |
| 1244 allocate_nearest(this, colors, reject, nrej); | |
| 1245 FREEA(reject); | |
| 1246 FREEA(want); | |
| 1247 } | |
| 1248 return nrej == 0; | |
| 1249 } | |
| 1250 | |
| 1251 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1252 { | |
| 1253 int i, ncolors; | |
| 1254 XColor xcmap[256]; | |
| 1255 | |
| 1256 /* See if actually setting the gamma is supported */ | |
| 1257 if ( SDL_Visual->class != DirectColor ) { | |
| 1258 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1259 return(-1); | |
| 1260 } | |
| 1261 | |
| 1262 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1263 ncolors = SDL_Visual->map_entries; | |
| 1264 for ( i=0; i<ncolors; ++i ) { | |
| 1265 Uint8 c = (256 * i / ncolors); | |
| 1266 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1267 xcmap[i].red = ramp[0*256+c]; | |
| 1268 xcmap[i].green = ramp[1*256+c]; | |
| 1269 xcmap[i].blue = ramp[2*256+c]; | |
| 1270 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1271 } | |
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1272 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1273 pXSync(GFX_Display, False); |
| 0 | 1274 return(0); |
| 1275 } | |
| 1276 | |
| 1277 /* Note: If we are terminated, this could be called in the middle of | |
| 1278 another SDL video routine -- notably UpdateRects. | |
| 1279 */ | |
| 1280 void X11_VideoQuit(_THIS) | |
| 1281 { | |
| 1282 /* Shutdown everything that's still up */ | |
| 1283 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1284 if ( SDL_Display != NULL ) { | |
| 1285 /* Flush any delayed updates */ | |
|
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1286 pXSync(GFX_Display, False); |
| 0 | 1287 |
|
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1288 /* Close the connection with the IM server */ |
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1289 #ifdef X_HAVE_UTF8_STRING |
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1290 if (SDL_IC == NULL) { |
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1291 pXDestroyIC(SDL_IC); |
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1292 SDL_IC = NULL; |
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1293 } |
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1294 if (SDL_IM == NULL) { |
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1295 pXCloseIM(SDL_IM); |
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1296 SDL_IM = NULL; |
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1297 } |
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1298 #endif |
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1299 |
| 0 | 1300 /* Start shutting down the windows */ |
| 1301 X11_DestroyImage(this, this->screen); | |
| 1302 X11_DestroyWindow(this, this->screen); | |
| 1303 X11_FreeVideoModes(this); | |
| 1304 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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1305 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1306 } |
| 1307 if ( SDL_iconcolors ) { | |
| 1308 unsigned long pixel; | |
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1309 Colormap dcmap = DefaultColormap(SDL_Display, |
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1310 SDL_Screen); |
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1311 for(pixel = 0; pixel < 256; ++pixel) { |
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1312 while(SDL_iconcolors[pixel] > 0) { |
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1313 pXFreeColors(GFX_Display, |
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1314 dcmap, &pixel, 1, 0); |
| 0 | 1315 --SDL_iconcolors[pixel]; |
| 1316 } | |
| 1317 } | |
| 1318 free(SDL_iconcolors); | |
| 1319 SDL_iconcolors = NULL; | |
| 1320 } | |
| 1321 /* Restore gamma settings if they've changed */ | |
| 1322 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1323 X11_SwapVidModeGamma(this); | |
| 1324 } | |
| 1325 | |
| 1326 /* Free that blank cursor */ | |
| 1327 if ( SDL_BlankCursor != NULL ) { | |
| 1328 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1329 SDL_BlankCursor = NULL; | |
| 1330 } | |
| 1331 | |
| 1332 /* Close the X11 graphics connection */ | |
| 1333 if ( GFX_Display != NULL ) { | |
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1334 pXCloseDisplay(GFX_Display); |
| 0 | 1335 GFX_Display = NULL; |
| 1336 } | |
| 1337 | |
| 1338 /* Close the X11 display connection */ | |
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1339 pXCloseDisplay(SDL_Display); |
| 0 | 1340 SDL_Display = NULL; |
| 1341 | |
| 1342 /* Reset the X11 error handlers */ | |
| 1343 if ( XIO_handler ) { | |
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1344 pXSetIOErrorHandler(XIO_handler); |
| 0 | 1345 } |
| 1346 if ( X_handler ) { | |
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1347 pXSetErrorHandler(X_handler); |
| 0 | 1348 } |
| 1349 | |
| 1350 /* Unload GL library after X11 shuts down */ | |
| 1351 X11_GL_UnloadLibrary(this); | |
| 1352 } | |
| 1353 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1354 /* Direct screen access, no memory buffer */ | |
| 1355 this->screen->pixels = NULL; | |
| 1356 } | |
| 1357 } | |
| 1358 |