Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 1247:ff73ee89ff4b
Don't trample SDL_LoadObject()'s error message in GL loader.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Fri, 13 Jan 2006 02:36:35 +0000 |
| parents | aac47040c6d7 |
| children | d2c6881935be |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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Updated copyright information for 2004 (Happy New Year!)
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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]; | |
| 223 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); | |
| 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]; | |
| 238 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); | |
| 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 | |
| 265 /* Create auxiliary (toplevel) windows with the current visual */ | |
| 266 static void create_aux_windows(_THIS) | |
| 267 { | |
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268 char * savedclassname = NULL; |
| 0 | 269 XSetWindowAttributes xattr; |
| 270 XWMHints *hints; | |
| 271 XTextProperty titleprop, iconprop; | |
| 272 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); | |
| 273 | |
| 274 /* Don't create any extra windows if we are being managed */ | |
| 275 if ( SDL_windowid ) { | |
| 276 FSwindow = 0; | |
| 277 WMwindow = strtol(SDL_windowid, NULL, 0); | |
| 278 return; | |
| 279 } | |
| 280 | |
| 281 if(FSwindow) | |
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282 pXDestroyWindow(SDL_Display, FSwindow); |
| 0 | 283 |
| 284 xattr.override_redirect = True; | |
| 285 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 286 xattr.border_pixel = 0; | |
| 287 xattr.colormap = SDL_XColorMap; | |
| 288 | |
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289 FSwindow = pXCreateWindow(SDL_Display, SDL_Root, |
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290 xinerama_x, xinerama_y, 32, 32, 0, |
| 0 | 291 this->hidden->depth, InputOutput, SDL_Visual, |
| 292 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 293 | CWColormap, | |
| 294 &xattr); | |
| 295 | |
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296 pXSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 297 |
| 298 /* Tell KDE to keep the fullscreen window on top */ | |
| 299 { | |
| 300 XEvent ev; | |
| 301 long mask; | |
| 302 | |
| 303 memset(&ev, 0, sizeof(ev)); | |
| 304 ev.xclient.type = ClientMessage; | |
| 305 ev.xclient.window = SDL_Root; | |
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306 ev.xclient.message_type = pXInternAtom(SDL_Display, |
| 0 | 307 "KWM_KEEP_ON_TOP", False); |
| 308 ev.xclient.format = 32; | |
| 309 ev.xclient.data.l[0] = FSwindow; | |
| 310 ev.xclient.data.l[1] = CurrentTime; | |
| 311 mask = SubstructureRedirectMask; | |
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312 pXSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 313 } |
| 314 | |
| 315 hints = NULL; | |
| 316 titleprop.value = iconprop.value = NULL; | |
| 317 if(WMwindow) { | |
| 318 /* All window attributes must survive the recreation */ | |
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319 hints = pXGetWMHints(SDL_Display, WMwindow); |
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320 pXGetWMName(SDL_Display, WMwindow, &titleprop); |
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321 pXGetWMIconName(SDL_Display, WMwindow, &iconprop); |
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322 pXDestroyWindow(SDL_Display, WMwindow); |
| 0 | 323 } |
| 324 | |
| 325 /* Create the window for windowed management */ | |
| 326 /* (reusing the xattr structure above) */ | |
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327 WMwindow = pXCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0, |
| 0 | 328 this->hidden->depth, InputOutput, SDL_Visual, |
| 329 CWBackPixel | CWBorderPixel | CWColormap, | |
| 330 &xattr); | |
| 331 | |
| 332 /* Set the input hints so we get keyboard input */ | |
| 333 if(!hints) { | |
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334 hints = pXAllocWMHints(); |
| 0 | 335 hints->input = True; |
| 336 hints->flags = InputHint; | |
| 337 } | |
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338 pXSetWMHints(SDL_Display, WMwindow, hints); |
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339 pXFree(hints); |
| 0 | 340 if(titleprop.value) { |
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341 pXSetWMName(SDL_Display, WMwindow, &titleprop); |
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342 pXFree(titleprop.value); |
| 0 | 343 } |
| 344 if(iconprop.value) { | |
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345 pXSetWMIconName(SDL_Display, WMwindow, &iconprop); |
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346 pXFree(iconprop.value); |
| 0 | 347 } |
| 348 | |
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349 pXSelectInput(SDL_Display, WMwindow, |
| 0 | 350 FocusChangeMask | KeyPressMask | KeyReleaseMask |
| 351 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 352 | |
| 353 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 354 { | |
| 355 XClassHint *classhints; | |
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356 classhints = pXAllocClassHint(); |
| 0 | 357 if(classhints != NULL) { |
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358 char *classname = getenv("SDL_VIDEO_X11_WMCLASS"); |
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359 if ( ! classname ) { |
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360 classname = "SDL_App"; |
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361 } |
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362 savedclassname = strdup(classname); |
|
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363 classhints->res_name = classname; |
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364 classhints->res_class = classname; |
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365 pXSetClassHint(SDL_Display, WMwindow, classhints); |
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366 pXFree(classhints); |
| 0 | 367 } |
| 368 } | |
| 369 | |
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370 /* Setup the communication with the IM server */ |
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371 SDL_IM = NULL; |
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372 SDL_IC = NULL; |
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373 |
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374 #ifdef X_HAVE_UTF8_STRING |
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375 SDL_IM = pXOpenIM(SDL_Display, NULL, savedclassname, savedclassname); |
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376 if (SDL_IM == NULL) { |
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377 SDL_SetError("no input method could be opened"); |
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378 } else { |
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379 SDL_IC = pXCreateIC(SDL_IM, |
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380 XNClientWindow, WMwindow, |
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381 XNFocusWindow, WMwindow, |
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382 XNInputStyle, XIMPreeditNothing | XIMStatusNothing, |
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383 XNResourceName, savedclassname, |
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384 XNResourceClass, savedclassname, |
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385 NULL); |
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386 if (SDL_IC == NULL) { |
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387 SDL_SetError("no input context could be created"); |
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388 pXCloseIM(SDL_IM); |
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389 SDL_IM = NULL; |
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390 } |
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391 } |
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392 #endif |
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393 |
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394 free(savedclassname); |
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395 |
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396 |
| 0 | 397 /* Allow the window to be deleted by the window manager */ |
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398 WM_DELETE_WINDOW = pXInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
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399 pXSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 400 } |
| 401 | |
| 402 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 403 { | |
| 404 char *display; | |
| 405 int i; | |
| 406 | |
| 407 /* Open the X11 display */ | |
| 408 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 409 | |
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410 if ( (strncmp(pXDisplayName(display), ":", 1) == 0) || |
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411 (strncmp(pXDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 412 local_X11 = 1; |
| 413 } else { | |
| 414 local_X11 = 0; | |
| 415 } | |
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416 SDL_Display = pXOpenDisplay(display); |
| 0 | 417 if ( SDL_Display == NULL ) { |
| 418 SDL_SetError("Couldn't open X11 display"); | |
| 419 return(-1); | |
| 420 } | |
| 421 #ifdef X11_DEBUG | |
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422 pXSynchronize(SDL_Display, True); |
| 0 | 423 #endif |
| 424 | |
| 425 /* Create an alternate X display for graphics updates -- allows us | |
| 426 to do graphics updates in a separate thread from event handling. | |
| 427 Thread-safe X11 doesn't seem to exist. | |
| 428 */ | |
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429 GFX_Display = pXOpenDisplay(display); |
| 0 | 430 if ( GFX_Display == NULL ) { |
| 431 SDL_SetError("Couldn't open X11 display"); | |
| 432 return(-1); | |
| 433 } | |
| 434 | |
| 435 /* Set the normal X error handler */ | |
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436 X_handler = pXSetErrorHandler(x_errhandler); |
| 0 | 437 |
| 438 /* Set the error handler if we lose the X display */ | |
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439 XIO_handler = pXSetIOErrorHandler(xio_errhandler); |
| 0 | 440 |
| 441 /* use default screen (from $DISPLAY) */ | |
| 442 SDL_Screen = DefaultScreen(SDL_Display); | |
| 443 | |
| 444 #ifndef NO_SHARED_MEMORY | |
| 445 /* Check for MIT shared memory extension */ | |
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446 use_mitshm = 0; |
| 0 | 447 if ( local_X11 ) { |
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448 use_mitshm = pXShmQueryExtension(SDL_Display); |
| 0 | 449 } |
| 450 #endif /* NO_SHARED_MEMORY */ | |
| 451 | |
| 452 /* Get the available video modes */ | |
| 453 if(X11_GetVideoModes(this) < 0) | |
| 454 return -1; | |
| 455 | |
| 456 /* Determine the default screen depth: | |
| 457 Use the default visual (or at least one with the same depth) */ | |
| 458 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 459 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 460 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 461 SDL_Screen)) | |
| 462 break; | |
| 463 if(i == this->hidden->nvisuals) { | |
| 464 /* default visual was useless, take the deepest one instead */ | |
| 465 i = 0; | |
| 466 } | |
| 467 SDL_Visual = this->hidden->visuals[i].visual; | |
| 468 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 469 SDL_XColorMap = SDL_DisplayColormap; | |
| 470 } else { | |
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471 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 472 SDL_Visual, AllocNone); |
| 473 } | |
| 474 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 475 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 476 if ( vformat->BitsPerPixel > 8 ) { | |
| 477 vformat->Rmask = SDL_Visual->red_mask; | |
| 478 vformat->Gmask = SDL_Visual->green_mask; | |
| 479 vformat->Bmask = SDL_Visual->blue_mask; | |
| 480 } | |
| 481 X11_SaveVidModeGamma(this); | |
| 482 | |
| 483 /* See if we have been passed a window to use */ | |
| 484 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 485 | |
| 486 /* Create the fullscreen and managed windows */ | |
| 487 create_aux_windows(this); | |
| 488 | |
| 489 /* Create the blank cursor */ | |
| 490 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 491 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 492 BLANK_CHOTX, BLANK_CHOTY); | |
| 493 | |
| 494 /* Fill in some window manager capabilities */ | |
| 495 this->info.wm_available = 1; | |
| 496 | |
| 497 /* We're done! */ | |
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498 pXFlush(SDL_Display); |
| 0 | 499 return(0); |
| 500 } | |
| 501 | |
| 502 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 503 { | |
| 504 /* Clean up OpenGL */ | |
| 505 if ( screen ) { | |
| 506 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 507 } | |
| 508 X11_GL_Shutdown(this); | |
| 509 | |
| 510 if ( ! SDL_windowid ) { | |
| 511 /* Hide the managed window */ | |
| 512 if ( WMwindow ) { | |
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513 pXUnmapWindow(SDL_Display, WMwindow); |
| 0 | 514 } |
| 515 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 516 screen->flags &= ~SDL_FULLSCREEN; | |
| 517 X11_LeaveFullScreen(this); | |
| 518 } | |
| 519 | |
| 520 /* Destroy the output window */ | |
| 521 if ( SDL_Window ) { | |
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522 pXDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 523 } |
| 524 | |
| 525 /* Free the colormap entries */ | |
| 526 if ( SDL_XPixels ) { | |
| 527 int numcolors; | |
| 528 unsigned long pixel; | |
| 529 numcolors = SDL_Visual->map_entries; | |
| 530 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 531 while ( SDL_XPixels[pixel] > 0 ) { | |
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532 pXFreeColors(GFX_Display, |
| 0 | 533 SDL_DisplayColormap,&pixel,1,0); |
| 534 --SDL_XPixels[pixel]; | |
| 535 } | |
| 536 } | |
| 537 free(SDL_XPixels); | |
| 538 SDL_XPixels = NULL; | |
| 539 } | |
| 540 | |
| 541 /* Free the graphics context */ | |
| 542 if ( SDL_GC ) { | |
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543 pXFreeGC(SDL_Display, SDL_GC); |
| 0 | 544 SDL_GC = 0; |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 | |
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549 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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550 { |
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551 const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
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552 const char *center = getenv("SDL_VIDEO_CENTERED"); |
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553 if ( window ) { |
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554 if ( sscanf(window, "%d,%d", x, y) == 2 ) { |
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555 return SDL_TRUE; |
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556 } |
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557 if ( strcmp(window, "center") == 0 ) { |
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558 center = window; |
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559 } |
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560 } |
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561 if ( center ) { |
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562 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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563 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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564 return SDL_TRUE; |
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565 } |
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566 return SDL_FALSE; |
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567 } |
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568 |
| 0 | 569 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 570 { | |
| 571 XSizeHints *hints; | |
| 572 | |
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573 hints = pXAllocSizeHints(); |
| 0 | 574 if ( hints ) { |
| 575 if ( flags & SDL_RESIZABLE ) { | |
| 576 hints->min_width = 32; | |
| 577 hints->min_height = 32; | |
| 578 hints->max_height = 4096; | |
| 579 hints->max_width = 4096; | |
| 580 } else { | |
| 581 hints->min_width = hints->max_width = w; | |
| 582 hints->min_height = hints->max_height = h; | |
| 583 } | |
| 584 hints->flags = PMaxSize | PMinSize; | |
| 585 if ( flags & SDL_FULLSCREEN ) { | |
| 586 hints->x = 0; | |
| 587 hints->y = 0; | |
| 588 hints->flags |= USPosition; | |
| 589 } else | |
| 590 /* Center it, if desired */ | |
|
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591 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 592 hints->flags |= USPosition; |
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593 pXMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 594 |
| 595 /* Flush the resize event so we don't catch it later */ | |
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596 pXSync(SDL_Display, True); |
| 0 | 597 } |
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598 pXSetWMNormalHints(SDL_Display, WMwindow, hints); |
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599 pXFree(hints); |
| 0 | 600 } |
| 601 | |
| 602 /* Respect the window caption style */ | |
| 603 if ( flags & SDL_NOFRAME ) { | |
| 604 SDL_bool set; | |
| 605 Atom WM_HINTS; | |
| 606 | |
| 607 /* We haven't modified the window manager hints yet */ | |
| 608 set = SDL_FALSE; | |
| 609 | |
| 610 /* First try to set MWM hints */ | |
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611 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 612 if ( WM_HINTS != None ) { |
| 613 /* Hints used by Motif compliant window managers */ | |
| 614 struct { | |
| 615 unsigned long flags; | |
| 616 unsigned long functions; | |
| 617 unsigned long decorations; | |
| 618 long input_mode; | |
| 619 unsigned long status; | |
| 620 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 621 | |
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622 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 623 WM_HINTS, WM_HINTS, 32, |
| 624 PropModeReplace, | |
| 625 (unsigned char *)&MWMHints, | |
| 626 sizeof(MWMHints)/sizeof(long)); | |
| 627 set = SDL_TRUE; | |
| 628 } | |
| 629 /* Now try to set KWM hints */ | |
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630 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 631 if ( WM_HINTS != None ) { |
| 632 long KWMHints = 0; | |
| 633 | |
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634 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 635 WM_HINTS, WM_HINTS, 32, |
| 636 PropModeReplace, | |
| 637 (unsigned char *)&KWMHints, | |
| 638 sizeof(KWMHints)/sizeof(long)); | |
| 639 set = SDL_TRUE; | |
| 640 } | |
| 641 /* Now try to set GNOME hints */ | |
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642 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 643 if ( WM_HINTS != None ) { |
| 644 long GNOMEHints = 0; | |
| 645 | |
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646 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 647 WM_HINTS, WM_HINTS, 32, |
| 648 PropModeReplace, | |
| 649 (unsigned char *)&GNOMEHints, | |
| 650 sizeof(GNOMEHints)/sizeof(long)); | |
| 651 set = SDL_TRUE; | |
| 652 } | |
| 653 /* Finally set the transient hints if necessary */ | |
| 654 if ( ! set ) { | |
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655 pXSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 656 } |
| 657 } else { | |
| 658 SDL_bool set; | |
| 659 Atom WM_HINTS; | |
| 660 | |
| 661 /* We haven't modified the window manager hints yet */ | |
| 662 set = SDL_FALSE; | |
| 663 | |
| 664 /* First try to unset MWM hints */ | |
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665 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 666 if ( WM_HINTS != None ) { |
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667 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 668 set = SDL_TRUE; |
| 669 } | |
| 670 /* Now try to unset KWM hints */ | |
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671 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 672 if ( WM_HINTS != None ) { |
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673 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 674 set = SDL_TRUE; |
| 675 } | |
| 676 /* Now try to unset GNOME hints */ | |
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677 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 678 if ( WM_HINTS != None ) { |
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679 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 680 set = SDL_TRUE; |
| 681 } | |
| 682 /* Finally unset the transient hints if necessary */ | |
| 683 if ( ! set ) { | |
| 684 /* NOTE: Does this work? */ | |
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685 pXSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 686 } |
| 687 } | |
| 688 } | |
| 689 | |
| 690 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 691 int w, int h, int bpp, Uint32 flags) | |
| 692 { | |
| 693 int i, depth; | |
| 694 Visual *vis; | |
| 695 int vis_change; | |
| 696 | |
| 697 /* If a window is already present, destroy it and start fresh */ | |
| 698 if ( SDL_Window ) { | |
| 699 X11_DestroyWindow(this, screen); | |
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700 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 701 } |
| 702 | |
| 703 /* See if we have been given a window id */ | |
| 704 if ( SDL_windowid ) { | |
| 705 SDL_Window = strtol(SDL_windowid, NULL, 0); | |
| 706 } else { | |
| 707 SDL_Window = 0; | |
| 708 } | |
| 709 | |
| 710 /* find out which visual we are going to use */ | |
| 711 if ( flags & SDL_OPENGL ) { | |
| 712 XVisualInfo *vi; | |
| 713 | |
| 714 vi = X11_GL_GetVisual(this); | |
| 715 if( !vi ) { | |
| 716 return -1; | |
| 717 } | |
| 718 vis = vi->visual; | |
| 719 depth = vi->depth; | |
| 720 } else if ( SDL_windowid ) { | |
| 721 XWindowAttributes a; | |
| 722 | |
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723 pXGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 724 vis = a.visual; |
| 725 depth = a.depth; | |
| 726 } else { | |
| 727 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 728 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 729 break; | |
| 730 } | |
| 731 if ( i == this->hidden->nvisuals ) { | |
| 732 SDL_SetError("No matching visual for requested depth"); | |
| 733 return -1; /* should never happen */ | |
| 734 } | |
| 735 vis = this->hidden->visuals[i].visual; | |
| 736 depth = this->hidden->visuals[i].depth; | |
| 737 } | |
| 738 #ifdef X11_DEBUG | |
| 739 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); | |
| 740 #endif | |
| 741 vis_change = (vis != SDL_Visual); | |
| 742 SDL_Visual = vis; | |
| 743 this->hidden->depth = depth; | |
| 744 | |
| 745 /* Allocate the new pixel format for this video mode */ | |
| 746 if ( ! SDL_ReallocFormat(screen, bpp, | |
| 747 vis->red_mask, vis->green_mask, vis->blue_mask, 0) ) | |
| 748 return -1; | |
| 749 | |
| 750 /* Create the appropriate colormap */ | |
| 751 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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752 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 753 } |
| 754 if ( SDL_Visual->class == PseudoColor ) { | |
| 755 int ncolors; | |
| 756 | |
| 757 /* Allocate the pixel flags */ | |
| 758 ncolors = SDL_Visual->map_entries; | |
| 759 SDL_XPixels = malloc(ncolors * sizeof(int)); | |
| 760 if(SDL_XPixels == NULL) { | |
| 761 SDL_OutOfMemory(); | |
| 762 return -1; | |
| 763 } | |
| 764 memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); | |
| 765 | |
| 766 /* always allocate a private colormap on non-default visuals */ | |
| 767 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 768 flags |= SDL_HWPALETTE; | |
| 769 } | |
| 770 if ( flags & SDL_HWPALETTE ) { | |
| 771 screen->flags |= SDL_HWPALETTE; | |
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772 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 773 SDL_Visual, AllocAll); |
| 774 } else { | |
| 775 SDL_XColorMap = SDL_DisplayColormap; | |
| 776 } | |
| 777 } else if ( SDL_Visual->class == DirectColor ) { | |
| 778 | |
| 779 /* Create a colormap which we can manipulate for gamma */ | |
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780 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 781 SDL_Visual, AllocAll); |
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782 pXSync(SDL_Display, False); |
| 0 | 783 |
| 784 /* Initialize the colormap to the identity mapping */ | |
| 785 SDL_GetGammaRamp(0, 0, 0); | |
| 786 this->screen = screen; | |
| 787 X11_SetGammaRamp(this, this->gamma); | |
| 788 this->screen = NULL; | |
| 789 } else { | |
| 790 /* Create a read-only colormap for our window */ | |
|
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parents:
867
diff
changeset
|
791 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 792 SDL_Visual, AllocNone); |
| 793 } | |
| 794 | |
| 795 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 796 if ( vis_change ) | |
| 797 create_aux_windows(this); | |
| 798 | |
| 799 if(screen->flags & SDL_HWPALETTE) { | |
| 800 /* Since the full-screen window might have got a nonzero background | |
| 801 colour (0 is white on some displays), we should reset the | |
| 802 background to 0 here since that is what the user expects | |
| 803 with a private colormap */ | |
|
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|
804 pXSetWindowBackground(SDL_Display, FSwindow, 0); |
|
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|
805 pXClearWindow(SDL_Display, FSwindow); |
| 0 | 806 } |
| 807 | |
| 808 /* resize the (possibly new) window manager window */ | |
| 809 if( !SDL_windowid ) { | |
| 810 X11_SetSizeHints(this, w, h, flags); | |
| 811 current_w = w; | |
| 812 current_h = h; | |
|
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|
813 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 814 } |
| 815 | |
| 816 /* Create (or use) the X11 display window */ | |
| 817 if ( !SDL_windowid ) { | |
| 818 if ( flags & SDL_OPENGL ) { | |
| 819 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 820 return(-1); | |
| 821 } | |
| 822 } else { | |
| 823 XSetWindowAttributes swa; | |
| 824 | |
| 825 swa.background_pixel = 0; | |
| 826 swa.border_pixel = 0; | |
| 827 swa.colormap = SDL_XColorMap; | |
|
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diff
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|
828 SDL_Window = pXCreateWindow(SDL_Display, WMwindow, |
| 0 | 829 0, 0, w, h, 0, depth, |
| 830 InputOutput, SDL_Visual, | |
| 831 CWBackPixel | CWBorderPixel | |
| 832 | CWColormap, &swa); | |
| 833 } | |
| 834 /* Only manage our input if we own the window */ | |
|
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|
835 pXSelectInput(SDL_Display, SDL_Window, |
| 0 | 836 ( EnterWindowMask | LeaveWindowMask |
| 837 | ButtonPressMask | ButtonReleaseMask | |
| 838 | PointerMotionMask | ExposureMask )); | |
| 839 } | |
| 840 /* Create the graphics context here, once we have a window */ | |
| 841 if ( flags & SDL_OPENGL ) { | |
| 842 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 843 return(-1); | |
| 844 } else { | |
| 845 screen->flags |= SDL_OPENGL; | |
| 846 } | |
| 847 } else { | |
| 848 XGCValues gcv; | |
| 849 | |
| 850 gcv.graphics_exposures = False; | |
|
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diff
changeset
|
851 SDL_GC = pXCreateGC(SDL_Display, SDL_Window, |
| 0 | 852 GCGraphicsExposures, &gcv); |
| 853 if ( ! SDL_GC ) { | |
| 854 SDL_SetError("Couldn't create graphics context"); | |
| 855 return(-1); | |
| 856 } | |
| 857 } | |
| 858 | |
| 859 /* Set our colormaps when not setting a GL mode */ | |
| 860 if ( ! (flags & SDL_OPENGL) ) { | |
|
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|
861 pXSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 862 if( !SDL_windowid ) { |
|
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|
863 pXSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap); |
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|
864 pXSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 865 } |
| 866 } | |
| 867 | |
| 868 #if 0 /* This is an experiment - are the graphics faster now? - nope. */ | |
| 869 if ( getenv("SDL_VIDEO_X11_BACKINGSTORE") ) | |
| 870 #endif | |
| 871 /* Cache the window in the server, when possible */ | |
| 872 { | |
| 873 Screen *xscreen; | |
| 874 XSetWindowAttributes a; | |
| 875 | |
| 876 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 877 a.backing_store = DoesBackingStore(xscreen); | |
| 878 if ( a.backing_store != NotUseful ) { | |
|
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Ryan C. Gordon <icculus@icculus.org>
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|
879 pXChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 880 CWBackingStore, &a); |
| 881 } | |
| 882 } | |
| 883 | |
| 884 /* Update the internal keyboard state */ | |
|
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|
885 X11_SetKeyboardState(SDL_Display, SDL_IC, NULL); |
| 0 | 886 |
|
444
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parents:
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|
887 /* When the window is first mapped, ignore non-modifier keys */ |
|
406b12a17b15
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parents:
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|
888 { |
|
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|
889 Uint8 *keys = SDL_GetKeyState(NULL); |
|
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890 for ( i = 0; i < SDLK_LAST; ++i ) { |
|
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|
891 switch (i) { |
|
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892 case SDLK_NUMLOCK: |
|
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|
893 case SDLK_CAPSLOCK: |
|
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894 case SDLK_LCTRL: |
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895 case SDLK_RCTRL: |
|
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|
896 case SDLK_LSHIFT: |
|
406b12a17b15
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|
897 case SDLK_RSHIFT: |
|
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parents:
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|
898 case SDLK_LALT: |
|
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899 case SDLK_RALT: |
|
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|
900 case SDLK_LMETA: |
|
406b12a17b15
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901 case SDLK_RMETA: |
|
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changeset
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902 case SDLK_MODE: |
|
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parents:
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diff
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|
903 break; |
|
406b12a17b15
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changeset
|
904 default: |
|
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
905 keys[i] = SDL_RELEASED; |
|
406b12a17b15
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diff
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|
906 break; |
|
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diff
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|
907 } |
|
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diff
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|
908 } |
|
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|
909 } |
|
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|
910 |
| 0 | 911 /* Map them both and go fullscreen, if requested */ |
| 912 if ( ! SDL_windowid ) { | |
|
1168
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parents:
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diff
changeset
|
913 pXMapWindow(SDL_Display, SDL_Window); |
|
045f186426e1
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diff
changeset
|
914 pXMapWindow(SDL_Display, WMwindow); |
| 160 | 915 X11_WaitMapped(this, WMwindow); |
| 0 | 916 if ( flags & SDL_FULLSCREEN ) { |
| 917 screen->flags |= SDL_FULLSCREEN; | |
| 918 X11_EnterFullScreen(this); | |
| 919 } else { | |
| 920 screen->flags &= ~SDL_FULLSCREEN; | |
| 921 } | |
| 922 } | |
|
1178
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diff
changeset
|
923 |
| 0 | 924 return(0); |
| 925 } | |
| 926 | |
| 927 static int X11_ResizeWindow(_THIS, | |
| 928 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 929 { | |
| 930 if ( ! SDL_windowid ) { | |
| 931 /* Resize the window manager window */ | |
| 932 X11_SetSizeHints(this, w, h, flags); | |
| 933 current_w = w; | |
| 934 current_h = h; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
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parents:
867
diff
changeset
|
935 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 936 |
| 937 /* Resize the fullscreen and display windows */ | |
| 938 if ( flags & SDL_FULLSCREEN ) { | |
| 939 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 940 X11_ResizeFullScreen(this); | |
| 941 } else { | |
| 942 screen->flags |= SDL_FULLSCREEN; | |
| 943 X11_EnterFullScreen(this); | |
| 944 } | |
| 945 } else { | |
| 946 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 947 screen->flags &= ~SDL_FULLSCREEN; | |
| 948 X11_LeaveFullScreen(this); | |
| 949 } | |
| 950 } | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
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867
diff
changeset
|
951 pXResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 952 } |
| 953 return(0); | |
| 954 } | |
| 955 | |
| 956 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 957 int width, int height, int bpp, Uint32 flags) | |
| 958 { | |
| 959 Uint32 saved_flags; | |
| 960 | |
| 961 /* Lock the event thread, in multi-threading environments */ | |
| 962 SDL_Lock_EventThread(); | |
| 963 | |
| 964 /* Check the combination of flags we were passed */ | |
| 965 if ( flags & SDL_FULLSCREEN ) { | |
| 966 /* Clear fullscreen flag if not supported */ | |
| 967 if ( SDL_windowid ) { | |
| 968 flags &= ~SDL_FULLSCREEN; | |
| 969 } | |
| 970 } | |
| 971 | |
| 972 /* 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
|
973 pXSync(GFX_Display, False); |
| 0 | 974 |
| 975 /* Set up the X11 window */ | |
| 976 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
|
977 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
|
978 && (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
|
979 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 980 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 981 current = NULL; | |
| 982 goto done; | |
| 983 } | |
| 984 } else { | |
| 985 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 986 current = NULL; | |
| 987 goto done; | |
| 988 } | |
| 989 } | |
| 990 | |
| 991 /* Set up the new mode framebuffer */ | |
| 992 if ( ((current->w != width) || (current->h != height)) || | |
| 993 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 994 current->w = width; | |
| 995 current->h = height; | |
| 996 current->pitch = SDL_CalculatePitch(current); | |
| 997 X11_ResizeImage(this, current, flags); | |
| 998 } | |
| 999 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 1000 | |
| 1001 done: | |
| 1002 /* Release the event thread */ | |
|
1168
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parents:
867
diff
changeset
|
1003 pXSync(SDL_Display, False); |
| 0 | 1004 SDL_Unlock_EventThread(); |
| 1005 | |
| 1006 /* We're done! */ | |
| 1007 return(current); | |
| 1008 } | |
| 1009 | |
| 1010 static int X11_ToggleFullScreen(_THIS, int on) | |
| 1011 { | |
| 1012 Uint32 event_thread; | |
| 1013 | |
| 1014 /* Don't switch if we don't own the window */ | |
| 1015 if ( SDL_windowid ) { | |
| 1016 return(0); | |
| 1017 } | |
| 1018 | |
| 1019 /* Don't lock if we are the event thread */ | |
| 1020 event_thread = SDL_EventThreadID(); | |
| 1021 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 1022 event_thread = 0; | |
| 1023 } | |
| 1024 if ( event_thread ) { | |
| 1025 SDL_Lock_EventThread(); | |
| 1026 } | |
| 1027 if ( on ) { | |
| 1028 this->screen->flags |= SDL_FULLSCREEN; | |
| 1029 X11_EnterFullScreen(this); | |
| 1030 } else { | |
| 1031 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1032 X11_LeaveFullScreen(this); | |
| 1033 } | |
| 1034 X11_RefreshDisplay(this); | |
| 1035 if ( event_thread ) { | |
| 1036 SDL_Unlock_EventThread(); | |
| 1037 } | |
| 1038 SDL_ResetKeyboard(); | |
| 1039 return(1); | |
| 1040 } | |
| 1041 | |
| 1042 /* Update the current mouse state and position */ | |
| 1043 static void X11_UpdateMouse(_THIS) | |
| 1044 { | |
| 1045 Window u1; int u2; | |
| 1046 Window current_win; | |
| 1047 int x, y; | |
| 1048 unsigned int mask; | |
| 1049 | |
| 1050 /* Lock the event thread, in multi-threading environments */ | |
| 1051 SDL_Lock_EventThread(); | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1052 if ( pXQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1053 &u2, &u2, &x, &y, &mask) ) { |
| 1054 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1055 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1056 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1057 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1058 } else { | |
| 1059 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1060 } | |
| 1061 } | |
| 1062 SDL_Unlock_EventThread(); | |
| 1063 } | |
| 1064 | |
| 1065 /* simple colour distance metric. Supposed to be better than a plain | |
| 1066 Euclidian distance anyway. */ | |
| 1067 #define COLOUR_FACTOR 3 | |
| 1068 #define LIGHT_FACTOR 1 | |
| 1069 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1070 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1071 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1072 | |
| 1073 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1074 SDL_Color *want, int nwant) | |
| 1075 { | |
| 1076 /* | |
| 1077 * There is no way to know which ones to choose from, so we retrieve | |
| 1078 * the entire colormap and try the nearest possible, until we find one | |
| 1079 * that is shared. | |
| 1080 */ | |
| 1081 XColor all[256]; | |
| 1082 int i; | |
| 1083 for(i = 0; i < 256; i++) | |
| 1084 all[i].pixel = i; | |
| 1085 /* | |
| 1086 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1087 * that to keep track of which colours are available | |
| 1088 */ | |
|
1168
045f186426e1
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Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1089 pXQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1090 |
| 1091 for(i = 0; i < nwant; i++) { | |
| 1092 XColor *c; | |
| 1093 int j; | |
| 1094 int best = 0; | |
| 1095 int mindist = 0x7fffffff; | |
| 1096 int ri = want[i].r; | |
| 1097 int gi = want[i].g; | |
| 1098 int bi = want[i].b; | |
| 1099 for(j = 0; j < 256; j++) { | |
| 1100 int rj, gj, bj, d2; | |
| 1101 if(!all[j].flags) | |
| 1102 continue; /* unavailable colour cell */ | |
| 1103 rj = all[j].red >> 8; | |
| 1104 gj = all[j].green >> 8; | |
| 1105 bj = all[j].blue >> 8; | |
| 1106 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1107 if(d2 < mindist) { | |
| 1108 mindist = d2; | |
| 1109 best = j; | |
| 1110 } | |
| 1111 } | |
| 1112 if(SDL_XPixels[best]) | |
| 1113 continue; /* already allocated, waste no more time */ | |
| 1114 c = all + best; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1115 if(pXAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1116 /* got it */ |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1117 colors[c->pixel].r = c->red >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1118 colors[c->pixel].g = c->green >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1119 colors[c->pixel].b = c->blue >> 8; |
|
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Fixed X11 icon color allocation (thanks Mattias!)
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1120 ++SDL_XPixels[c->pixel]; |
| 0 | 1121 } else { |
| 1122 /* | |
| 1123 * The colour couldn't be allocated, probably being | |
| 1124 * owned as a r/w cell by another client. Flag it as | |
| 1125 * unavailable and try again. The termination of the | |
| 1126 * loop is guaranteed since at least black and white | |
| 1127 * are always there. | |
| 1128 */ | |
| 1129 c->flags = 0; | |
| 1130 i--; | |
| 1131 } | |
| 1132 } | |
| 1133 } | |
| 1134 | |
| 1135 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1136 { | |
| 1137 int nrej = 0; | |
| 1138 | |
| 1139 /* Check to make sure we have a colormap allocated */ | |
| 1140 if ( SDL_XPixels == NULL ) { | |
| 1141 return(0); | |
| 1142 } | |
| 1143 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1144 /* private writable colormap: just set the colours we need */ | |
| 1145 XColor *xcmap; | |
| 1146 int i; | |
| 1147 xcmap = ALLOCA(ncolors*sizeof(*xcmap)); | |
| 1148 if(xcmap == NULL) | |
| 1149 return 0; | |
| 1150 for ( i=0; i<ncolors; ++i ) { | |
| 1151 xcmap[i].pixel = i + firstcolor; | |
| 1152 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1153 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1154 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1155 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1156 } | |
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1157 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1158 pXSync(GFX_Display, False); |
| 0 | 1159 FREEA(xcmap); |
| 1160 } else { | |
| 1161 /* | |
| 1162 * Shared colormap: We only allocate read-only cells, which | |
| 1163 * increases the likelyhood of colour sharing with other | |
| 1164 * clients. The pixel values will almost certainly be | |
| 1165 * different from the requested ones, so the user has to | |
| 1166 * walk the colormap and see which index got what colour. | |
| 1167 * | |
| 1168 * We can work directly with the logical palette since it | |
| 1169 * has already been set when we get here. | |
| 1170 */ | |
| 1171 SDL_Color *want, *reject; | |
| 1172 unsigned long *freelist; | |
| 1173 int i; | |
| 1174 int nfree = 0; | |
| 1175 int nc = this->screen->format->palette->ncolors; | |
| 1176 colors = this->screen->format->palette->colors; | |
| 1177 freelist = ALLOCA(nc * sizeof(*freelist)); | |
| 1178 /* make sure multiple allocations of the same cell are freed */ | |
| 1179 for(i = 0; i < ncolors; i++) { | |
| 1180 int pixel = firstcolor + i; | |
| 1181 while(SDL_XPixels[pixel]) { | |
| 1182 freelist[nfree++] = pixel; | |
| 1183 --SDL_XPixels[pixel]; | |
| 1184 } | |
| 1185 } | |
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1186 pXFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
| 0 | 1187 FREEA(freelist); |
| 1188 | |
| 1189 want = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1190 reject = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1191 memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); | |
| 1192 /* make sure the user isn't fooled by her own wishes | |
| 1193 (black is safe, always available in the default colormap) */ | |
| 1194 memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); | |
| 1195 | |
| 1196 /* now try to allocate the colours */ | |
| 1197 for(i = 0; i < ncolors; i++) { | |
| 1198 XColor col; | |
| 1199 col.red = want[i].r << 8; | |
| 1200 col.green = want[i].g << 8; | |
| 1201 col.blue = want[i].b << 8; | |
| 1202 col.flags = DoRed | DoGreen | DoBlue; | |
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1203 if(pXAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1204 /* We got the colour, or at least the nearest |
| 1205 the hardware could get. */ | |
| 1206 colors[col.pixel].r = col.red >> 8; | |
| 1207 colors[col.pixel].g = col.green >> 8; | |
| 1208 colors[col.pixel].b = col.blue >> 8; | |
| 1209 ++SDL_XPixels[col.pixel]; | |
| 1210 } else { | |
| 1211 /* | |
| 1212 * no more free cells, add it to the list | |
| 1213 * of rejected colours | |
| 1214 */ | |
| 1215 reject[nrej++] = want[i]; | |
| 1216 } | |
| 1217 } | |
| 1218 if(nrej) | |
| 1219 allocate_nearest(this, colors, reject, nrej); | |
| 1220 FREEA(reject); | |
| 1221 FREEA(want); | |
| 1222 } | |
| 1223 return nrej == 0; | |
| 1224 } | |
| 1225 | |
| 1226 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1227 { | |
| 1228 int i, ncolors; | |
| 1229 XColor xcmap[256]; | |
| 1230 | |
| 1231 /* See if actually setting the gamma is supported */ | |
| 1232 if ( SDL_Visual->class != DirectColor ) { | |
| 1233 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1234 return(-1); | |
| 1235 } | |
| 1236 | |
| 1237 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1238 ncolors = SDL_Visual->map_entries; | |
| 1239 for ( i=0; i<ncolors; ++i ) { | |
| 1240 Uint8 c = (256 * i / ncolors); | |
| 1241 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1242 xcmap[i].red = ramp[0*256+c]; | |
| 1243 xcmap[i].green = ramp[1*256+c]; | |
| 1244 xcmap[i].blue = ramp[2*256+c]; | |
| 1245 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1246 } | |
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1247 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1248 pXSync(GFX_Display, False); |
| 0 | 1249 return(0); |
| 1250 } | |
| 1251 | |
| 1252 /* Note: If we are terminated, this could be called in the middle of | |
| 1253 another SDL video routine -- notably UpdateRects. | |
| 1254 */ | |
| 1255 void X11_VideoQuit(_THIS) | |
| 1256 { | |
| 1257 /* Shutdown everything that's still up */ | |
| 1258 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1259 if ( SDL_Display != NULL ) { | |
| 1260 /* Flush any delayed updates */ | |
|
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1261 pXSync(GFX_Display, False); |
| 0 | 1262 |
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1263 /* Close the connection with the IM server */ |
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1264 #ifdef X_HAVE_UTF8_STRING |
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1265 if (SDL_IC == NULL) { |
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1266 pXDestroyIC(SDL_IC); |
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1267 SDL_IC = NULL; |
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1268 } |
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1269 if (SDL_IM == NULL) { |
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1270 pXCloseIM(SDL_IM); |
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1271 SDL_IM = NULL; |
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1272 } |
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1273 #endif |
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1274 |
| 0 | 1275 /* Start shutting down the windows */ |
| 1276 X11_DestroyImage(this, this->screen); | |
| 1277 X11_DestroyWindow(this, this->screen); | |
| 1278 X11_FreeVideoModes(this); | |
| 1279 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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1280 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1281 } |
| 1282 if ( SDL_iconcolors ) { | |
| 1283 unsigned long pixel; | |
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1284 Colormap dcmap = DefaultColormap(SDL_Display, |
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1285 SDL_Screen); |
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1286 for(pixel = 0; pixel < 256; ++pixel) { |
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1287 while(SDL_iconcolors[pixel] > 0) { |
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1288 pXFreeColors(GFX_Display, |
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1289 dcmap, &pixel, 1, 0); |
| 0 | 1290 --SDL_iconcolors[pixel]; |
| 1291 } | |
| 1292 } | |
| 1293 free(SDL_iconcolors); | |
| 1294 SDL_iconcolors = NULL; | |
| 1295 } | |
| 1296 /* Restore gamma settings if they've changed */ | |
| 1297 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1298 X11_SwapVidModeGamma(this); | |
| 1299 } | |
| 1300 | |
| 1301 /* Free that blank cursor */ | |
| 1302 if ( SDL_BlankCursor != NULL ) { | |
| 1303 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1304 SDL_BlankCursor = NULL; | |
| 1305 } | |
| 1306 | |
| 1307 /* Close the X11 graphics connection */ | |
| 1308 if ( GFX_Display != NULL ) { | |
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1309 pXCloseDisplay(GFX_Display); |
| 0 | 1310 GFX_Display = NULL; |
| 1311 } | |
| 1312 | |
| 1313 /* Close the X11 display connection */ | |
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1314 pXCloseDisplay(SDL_Display); |
| 0 | 1315 SDL_Display = NULL; |
| 1316 | |
| 1317 /* Reset the X11 error handlers */ | |
| 1318 if ( XIO_handler ) { | |
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1319 pXSetIOErrorHandler(XIO_handler); |
| 0 | 1320 } |
| 1321 if ( X_handler ) { | |
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1322 pXSetErrorHandler(X_handler); |
| 0 | 1323 } |
| 1324 | |
| 1325 /* Unload GL library after X11 shuts down */ | |
| 1326 X11_GL_UnloadLibrary(this); | |
| 1327 } | |
| 1328 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1329 /* Direct screen access, no memory buffer */ | |
| 1330 this->screen->pixels = NULL; | |
| 1331 } | |
| 1332 } | |
| 1333 |