Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 1168:045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
This allows you to run an SDL program on a system without Xlib, since it'll
just report the x11 target unavailable at runtime.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sat, 05 Nov 2005 19:53:37 +0000 |
| parents | 5c7859610bc4 |
| children | 9867f3d86e44 |
| 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; |
| 0 | 169 #ifdef HAVE_OPENGL |
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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 { | |
| 268 XSetWindowAttributes xattr; | |
| 269 XWMHints *hints; | |
| 270 XTextProperty titleprop, iconprop; | |
| 271 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); | |
| 272 | |
| 273 /* Don't create any extra windows if we are being managed */ | |
| 274 if ( SDL_windowid ) { | |
| 275 FSwindow = 0; | |
| 276 WMwindow = strtol(SDL_windowid, NULL, 0); | |
| 277 return; | |
| 278 } | |
| 279 | |
| 280 if(FSwindow) | |
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281 pXDestroyWindow(SDL_Display, FSwindow); |
| 0 | 282 |
| 283 xattr.override_redirect = True; | |
| 284 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 285 xattr.border_pixel = 0; | |
| 286 xattr.colormap = SDL_XColorMap; | |
| 287 | |
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288 FSwindow = pXCreateWindow(SDL_Display, SDL_Root, |
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289 xinerama_x, xinerama_y, 32, 32, 0, |
| 0 | 290 this->hidden->depth, InputOutput, SDL_Visual, |
| 291 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 292 | CWColormap, | |
| 293 &xattr); | |
| 294 | |
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295 pXSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 296 |
| 297 /* Tell KDE to keep the fullscreen window on top */ | |
| 298 { | |
| 299 XEvent ev; | |
| 300 long mask; | |
| 301 | |
| 302 memset(&ev, 0, sizeof(ev)); | |
| 303 ev.xclient.type = ClientMessage; | |
| 304 ev.xclient.window = SDL_Root; | |
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305 ev.xclient.message_type = pXInternAtom(SDL_Display, |
| 0 | 306 "KWM_KEEP_ON_TOP", False); |
| 307 ev.xclient.format = 32; | |
| 308 ev.xclient.data.l[0] = FSwindow; | |
| 309 ev.xclient.data.l[1] = CurrentTime; | |
| 310 mask = SubstructureRedirectMask; | |
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311 pXSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 312 } |
| 313 | |
| 314 hints = NULL; | |
| 315 titleprop.value = iconprop.value = NULL; | |
| 316 if(WMwindow) { | |
| 317 /* All window attributes must survive the recreation */ | |
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318 hints = pXGetWMHints(SDL_Display, WMwindow); |
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319 pXGetWMName(SDL_Display, WMwindow, &titleprop); |
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320 pXGetWMIconName(SDL_Display, WMwindow, &iconprop); |
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321 pXDestroyWindow(SDL_Display, WMwindow); |
| 0 | 322 } |
| 323 | |
| 324 /* Create the window for windowed management */ | |
| 325 /* (reusing the xattr structure above) */ | |
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326 WMwindow = pXCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0, |
| 0 | 327 this->hidden->depth, InputOutput, SDL_Visual, |
| 328 CWBackPixel | CWBorderPixel | CWColormap, | |
| 329 &xattr); | |
| 330 | |
| 331 /* Set the input hints so we get keyboard input */ | |
| 332 if(!hints) { | |
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333 hints = pXAllocWMHints(); |
| 0 | 334 hints->input = True; |
| 335 hints->flags = InputHint; | |
| 336 } | |
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337 pXSetWMHints(SDL_Display, WMwindow, hints); |
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338 pXFree(hints); |
| 0 | 339 if(titleprop.value) { |
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340 pXSetWMName(SDL_Display, WMwindow, &titleprop); |
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341 pXFree(titleprop.value); |
| 0 | 342 } |
| 343 if(iconprop.value) { | |
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344 pXSetWMIconName(SDL_Display, WMwindow, &iconprop); |
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345 pXFree(iconprop.value); |
| 0 | 346 } |
| 347 | |
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348 pXSelectInput(SDL_Display, WMwindow, |
| 0 | 349 FocusChangeMask | KeyPressMask | KeyReleaseMask |
| 350 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 351 | |
| 352 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 353 { | |
| 354 XClassHint *classhints; | |
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355 classhints = pXAllocClassHint(); |
| 0 | 356 if(classhints != NULL) { |
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357 char *classname = getenv("SDL_VIDEO_X11_WMCLASS"); |
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358 if ( ! classname ) { |
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359 classname = "SDL_App"; |
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360 } |
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361 classhints->res_name = classname; |
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362 classhints->res_class = classname; |
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363 pXSetClassHint(SDL_Display, WMwindow, classhints); |
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364 pXFree(classhints); |
| 0 | 365 } |
| 366 } | |
| 367 | |
| 368 /* Allow the window to be deleted by the window manager */ | |
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369 WM_DELETE_WINDOW = pXInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
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370 pXSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 371 } |
| 372 | |
| 373 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 374 { | |
| 375 char *display; | |
| 376 int i; | |
| 377 | |
| 378 /* Open the X11 display */ | |
| 379 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 380 | |
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381 if ( (strncmp(pXDisplayName(display), ":", 1) == 0) || |
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382 (strncmp(pXDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 383 local_X11 = 1; |
| 384 } else { | |
| 385 local_X11 = 0; | |
| 386 } | |
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387 SDL_Display = pXOpenDisplay(display); |
| 0 | 388 if ( SDL_Display == NULL ) { |
| 389 SDL_SetError("Couldn't open X11 display"); | |
| 390 return(-1); | |
| 391 } | |
| 392 #ifdef X11_DEBUG | |
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393 pXSynchronize(SDL_Display, True); |
| 0 | 394 #endif |
| 395 | |
| 396 /* Create an alternate X display for graphics updates -- allows us | |
| 397 to do graphics updates in a separate thread from event handling. | |
| 398 Thread-safe X11 doesn't seem to exist. | |
| 399 */ | |
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400 GFX_Display = pXOpenDisplay(display); |
| 0 | 401 if ( GFX_Display == NULL ) { |
| 402 SDL_SetError("Couldn't open X11 display"); | |
| 403 return(-1); | |
| 404 } | |
| 405 | |
| 406 /* Set the normal X error handler */ | |
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407 X_handler = pXSetErrorHandler(x_errhandler); |
| 0 | 408 |
| 409 /* Set the error handler if we lose the X display */ | |
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410 XIO_handler = pXSetIOErrorHandler(xio_errhandler); |
| 0 | 411 |
| 412 /* use default screen (from $DISPLAY) */ | |
| 413 SDL_Screen = DefaultScreen(SDL_Display); | |
| 414 | |
| 415 #ifndef NO_SHARED_MEMORY | |
| 416 /* Check for MIT shared memory extension */ | |
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417 use_mitshm = 0; |
| 0 | 418 if ( local_X11 ) { |
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419 use_mitshm = pXShmQueryExtension(SDL_Display); |
| 0 | 420 } |
| 421 #endif /* NO_SHARED_MEMORY */ | |
| 422 | |
| 423 /* Get the available video modes */ | |
| 424 if(X11_GetVideoModes(this) < 0) | |
| 425 return -1; | |
| 426 | |
| 427 /* Determine the default screen depth: | |
| 428 Use the default visual (or at least one with the same depth) */ | |
| 429 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 430 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 431 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 432 SDL_Screen)) | |
| 433 break; | |
| 434 if(i == this->hidden->nvisuals) { | |
| 435 /* default visual was useless, take the deepest one instead */ | |
| 436 i = 0; | |
| 437 } | |
| 438 SDL_Visual = this->hidden->visuals[i].visual; | |
| 439 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 440 SDL_XColorMap = SDL_DisplayColormap; | |
| 441 } else { | |
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442 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 443 SDL_Visual, AllocNone); |
| 444 } | |
| 445 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 446 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 447 if ( vformat->BitsPerPixel > 8 ) { | |
| 448 vformat->Rmask = SDL_Visual->red_mask; | |
| 449 vformat->Gmask = SDL_Visual->green_mask; | |
| 450 vformat->Bmask = SDL_Visual->blue_mask; | |
| 451 } | |
| 452 X11_SaveVidModeGamma(this); | |
| 453 | |
| 454 /* See if we have been passed a window to use */ | |
| 455 SDL_windowid = getenv("SDL_WINDOWID"); | |
| 456 | |
| 457 /* Create the fullscreen and managed windows */ | |
| 458 create_aux_windows(this); | |
| 459 | |
| 460 /* Create the blank cursor */ | |
| 461 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 462 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 463 BLANK_CHOTX, BLANK_CHOTY); | |
| 464 | |
| 465 /* Fill in some window manager capabilities */ | |
| 466 this->info.wm_available = 1; | |
| 467 | |
| 468 /* We're done! */ | |
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469 pXFlush(SDL_Display); |
| 0 | 470 return(0); |
| 471 } | |
| 472 | |
| 473 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 474 { | |
| 475 /* Clean up OpenGL */ | |
| 476 if ( screen ) { | |
| 477 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 478 } | |
| 479 X11_GL_Shutdown(this); | |
| 480 | |
| 481 if ( ! SDL_windowid ) { | |
| 482 /* Hide the managed window */ | |
| 483 if ( WMwindow ) { | |
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484 pXUnmapWindow(SDL_Display, WMwindow); |
| 0 | 485 } |
| 486 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 487 screen->flags &= ~SDL_FULLSCREEN; | |
| 488 X11_LeaveFullScreen(this); | |
| 489 } | |
| 490 | |
| 491 /* Destroy the output window */ | |
| 492 if ( SDL_Window ) { | |
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493 pXDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 494 } |
| 495 | |
| 496 /* Free the colormap entries */ | |
| 497 if ( SDL_XPixels ) { | |
| 498 int numcolors; | |
| 499 unsigned long pixel; | |
| 500 numcolors = SDL_Visual->map_entries; | |
| 501 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 502 while ( SDL_XPixels[pixel] > 0 ) { | |
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503 pXFreeColors(GFX_Display, |
| 0 | 504 SDL_DisplayColormap,&pixel,1,0); |
| 505 --SDL_XPixels[pixel]; | |
| 506 } | |
| 507 } | |
| 508 free(SDL_XPixels); | |
| 509 SDL_XPixels = NULL; | |
| 510 } | |
| 511 | |
| 512 /* Free the graphics context */ | |
| 513 if ( SDL_GC ) { | |
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514 pXFreeGC(SDL_Display, SDL_GC); |
| 0 | 515 SDL_GC = 0; |
| 516 } | |
| 517 } | |
| 518 } | |
| 519 | |
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520 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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521 { |
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522 const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
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523 const char *center = getenv("SDL_VIDEO_CENTERED"); |
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524 if ( window ) { |
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525 if ( sscanf(window, "%d,%d", x, y) == 2 ) { |
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526 return SDL_TRUE; |
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527 } |
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528 if ( strcmp(window, "center") == 0 ) { |
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529 center = window; |
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530 } |
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531 } |
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532 if ( center ) { |
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533 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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534 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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535 return SDL_TRUE; |
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536 } |
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537 return SDL_FALSE; |
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538 } |
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539 |
| 0 | 540 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 541 { | |
| 542 XSizeHints *hints; | |
| 543 | |
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544 hints = pXAllocSizeHints(); |
| 0 | 545 if ( hints ) { |
| 546 if ( flags & SDL_RESIZABLE ) { | |
| 547 hints->min_width = 32; | |
| 548 hints->min_height = 32; | |
| 549 hints->max_height = 4096; | |
| 550 hints->max_width = 4096; | |
| 551 } else { | |
| 552 hints->min_width = hints->max_width = w; | |
| 553 hints->min_height = hints->max_height = h; | |
| 554 } | |
| 555 hints->flags = PMaxSize | PMinSize; | |
| 556 if ( flags & SDL_FULLSCREEN ) { | |
| 557 hints->x = 0; | |
| 558 hints->y = 0; | |
| 559 hints->flags |= USPosition; | |
| 560 } else | |
| 561 /* Center it, if desired */ | |
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562 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 563 hints->flags |= USPosition; |
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564 pXMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 565 |
| 566 /* Flush the resize event so we don't catch it later */ | |
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567 pXSync(SDL_Display, True); |
| 0 | 568 } |
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569 pXSetWMNormalHints(SDL_Display, WMwindow, hints); |
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570 pXFree(hints); |
| 0 | 571 } |
| 572 | |
| 573 /* Respect the window caption style */ | |
| 574 if ( flags & SDL_NOFRAME ) { | |
| 575 SDL_bool set; | |
| 576 Atom WM_HINTS; | |
| 577 | |
| 578 /* We haven't modified the window manager hints yet */ | |
| 579 set = SDL_FALSE; | |
| 580 | |
| 581 /* First try to set MWM hints */ | |
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582 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 583 if ( WM_HINTS != None ) { |
| 584 /* Hints used by Motif compliant window managers */ | |
| 585 struct { | |
| 586 unsigned long flags; | |
| 587 unsigned long functions; | |
| 588 unsigned long decorations; | |
| 589 long input_mode; | |
| 590 unsigned long status; | |
| 591 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 592 | |
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593 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 594 WM_HINTS, WM_HINTS, 32, |
| 595 PropModeReplace, | |
| 596 (unsigned char *)&MWMHints, | |
| 597 sizeof(MWMHints)/sizeof(long)); | |
| 598 set = SDL_TRUE; | |
| 599 } | |
| 600 /* Now try to set KWM hints */ | |
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601 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 602 if ( WM_HINTS != None ) { |
| 603 long KWMHints = 0; | |
| 604 | |
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605 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 606 WM_HINTS, WM_HINTS, 32, |
| 607 PropModeReplace, | |
| 608 (unsigned char *)&KWMHints, | |
| 609 sizeof(KWMHints)/sizeof(long)); | |
| 610 set = SDL_TRUE; | |
| 611 } | |
| 612 /* Now try to set GNOME hints */ | |
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613 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 614 if ( WM_HINTS != None ) { |
| 615 long GNOMEHints = 0; | |
| 616 | |
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617 pXChangeProperty(SDL_Display, WMwindow, |
| 0 | 618 WM_HINTS, WM_HINTS, 32, |
| 619 PropModeReplace, | |
| 620 (unsigned char *)&GNOMEHints, | |
| 621 sizeof(GNOMEHints)/sizeof(long)); | |
| 622 set = SDL_TRUE; | |
| 623 } | |
| 624 /* Finally set the transient hints if necessary */ | |
| 625 if ( ! set ) { | |
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626 pXSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 627 } |
| 628 } else { | |
| 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 unset MWM hints */ | |
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636 WM_HINTS = pXInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 637 if ( WM_HINTS != None ) { |
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638 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 639 set = SDL_TRUE; |
| 640 } | |
| 641 /* Now try to unset KWM hints */ | |
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642 WM_HINTS = pXInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 643 if ( WM_HINTS != None ) { |
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644 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 645 set = SDL_TRUE; |
| 646 } | |
| 647 /* Now try to unset GNOME hints */ | |
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648 WM_HINTS = pXInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 649 if ( WM_HINTS != None ) { |
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650 pXDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 651 set = SDL_TRUE; |
| 652 } | |
| 653 /* Finally unset the transient hints if necessary */ | |
| 654 if ( ! set ) { | |
| 655 /* NOTE: Does this work? */ | |
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656 pXSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 657 } |
| 658 } | |
| 659 } | |
| 660 | |
| 661 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 662 int w, int h, int bpp, Uint32 flags) | |
| 663 { | |
| 664 int i, depth; | |
| 665 Visual *vis; | |
| 666 int vis_change; | |
| 667 | |
| 668 /* If a window is already present, destroy it and start fresh */ | |
| 669 if ( SDL_Window ) { | |
| 670 X11_DestroyWindow(this, screen); | |
|
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671 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 672 } |
| 673 | |
| 674 /* See if we have been given a window id */ | |
| 675 if ( SDL_windowid ) { | |
| 676 SDL_Window = strtol(SDL_windowid, NULL, 0); | |
| 677 } else { | |
| 678 SDL_Window = 0; | |
| 679 } | |
| 680 | |
| 681 /* find out which visual we are going to use */ | |
| 682 if ( flags & SDL_OPENGL ) { | |
| 683 XVisualInfo *vi; | |
| 684 | |
| 685 vi = X11_GL_GetVisual(this); | |
| 686 if( !vi ) { | |
| 687 return -1; | |
| 688 } | |
| 689 vis = vi->visual; | |
| 690 depth = vi->depth; | |
| 691 } else if ( SDL_windowid ) { | |
| 692 XWindowAttributes a; | |
| 693 | |
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694 pXGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 695 vis = a.visual; |
| 696 depth = a.depth; | |
| 697 } else { | |
| 698 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 699 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 700 break; | |
| 701 } | |
| 702 if ( i == this->hidden->nvisuals ) { | |
| 703 SDL_SetError("No matching visual for requested depth"); | |
| 704 return -1; /* should never happen */ | |
| 705 } | |
| 706 vis = this->hidden->visuals[i].visual; | |
| 707 depth = this->hidden->visuals[i].depth; | |
| 708 } | |
| 709 #ifdef X11_DEBUG | |
| 710 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); | |
| 711 #endif | |
| 712 vis_change = (vis != SDL_Visual); | |
| 713 SDL_Visual = vis; | |
| 714 this->hidden->depth = depth; | |
| 715 | |
| 716 /* Allocate the new pixel format for this video mode */ | |
| 717 if ( ! SDL_ReallocFormat(screen, bpp, | |
| 718 vis->red_mask, vis->green_mask, vis->blue_mask, 0) ) | |
| 719 return -1; | |
| 720 | |
| 721 /* Create the appropriate colormap */ | |
| 722 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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723 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 724 } |
| 725 if ( SDL_Visual->class == PseudoColor ) { | |
| 726 int ncolors; | |
| 727 | |
| 728 /* Allocate the pixel flags */ | |
| 729 ncolors = SDL_Visual->map_entries; | |
| 730 SDL_XPixels = malloc(ncolors * sizeof(int)); | |
| 731 if(SDL_XPixels == NULL) { | |
| 732 SDL_OutOfMemory(); | |
| 733 return -1; | |
| 734 } | |
| 735 memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); | |
| 736 | |
| 737 /* always allocate a private colormap on non-default visuals */ | |
| 738 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 739 flags |= SDL_HWPALETTE; | |
| 740 } | |
| 741 if ( flags & SDL_HWPALETTE ) { | |
| 742 screen->flags |= SDL_HWPALETTE; | |
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743 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 744 SDL_Visual, AllocAll); |
| 745 } else { | |
| 746 SDL_XColorMap = SDL_DisplayColormap; | |
| 747 } | |
| 748 } else if ( SDL_Visual->class == DirectColor ) { | |
| 749 | |
| 750 /* Create a colormap which we can manipulate for gamma */ | |
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751 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 752 SDL_Visual, AllocAll); |
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753 pXSync(SDL_Display, False); |
| 0 | 754 |
| 755 /* Initialize the colormap to the identity mapping */ | |
| 756 SDL_GetGammaRamp(0, 0, 0); | |
| 757 this->screen = screen; | |
| 758 X11_SetGammaRamp(this, this->gamma); | |
| 759 this->screen = NULL; | |
| 760 } else { | |
| 761 /* Create a read-only colormap for our window */ | |
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762 SDL_XColorMap = pXCreateColormap(SDL_Display, SDL_Root, |
| 0 | 763 SDL_Visual, AllocNone); |
| 764 } | |
| 765 | |
| 766 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 767 if ( vis_change ) | |
| 768 create_aux_windows(this); | |
| 769 | |
| 770 if(screen->flags & SDL_HWPALETTE) { | |
| 771 /* Since the full-screen window might have got a nonzero background | |
| 772 colour (0 is white on some displays), we should reset the | |
| 773 background to 0 here since that is what the user expects | |
| 774 with a private colormap */ | |
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775 pXSetWindowBackground(SDL_Display, FSwindow, 0); |
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776 pXClearWindow(SDL_Display, FSwindow); |
| 0 | 777 } |
| 778 | |
| 779 /* resize the (possibly new) window manager window */ | |
| 780 if( !SDL_windowid ) { | |
| 781 X11_SetSizeHints(this, w, h, flags); | |
| 782 current_w = w; | |
| 783 current_h = h; | |
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784 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 785 } |
| 786 | |
| 787 /* Create (or use) the X11 display window */ | |
| 788 if ( !SDL_windowid ) { | |
| 789 if ( flags & SDL_OPENGL ) { | |
| 790 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 791 return(-1); | |
| 792 } | |
| 793 } else { | |
| 794 XSetWindowAttributes swa; | |
| 795 | |
| 796 swa.background_pixel = 0; | |
| 797 swa.border_pixel = 0; | |
| 798 swa.colormap = SDL_XColorMap; | |
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799 SDL_Window = pXCreateWindow(SDL_Display, WMwindow, |
| 0 | 800 0, 0, w, h, 0, depth, |
| 801 InputOutput, SDL_Visual, | |
| 802 CWBackPixel | CWBorderPixel | |
| 803 | CWColormap, &swa); | |
| 804 } | |
| 805 /* Only manage our input if we own the window */ | |
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806 pXSelectInput(SDL_Display, SDL_Window, |
| 0 | 807 ( EnterWindowMask | LeaveWindowMask |
| 808 | ButtonPressMask | ButtonReleaseMask | |
| 809 | PointerMotionMask | ExposureMask )); | |
| 810 } | |
| 811 | |
| 812 /* Create the graphics context here, once we have a window */ | |
| 813 if ( flags & SDL_OPENGL ) { | |
| 814 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 815 return(-1); | |
| 816 } else { | |
| 817 screen->flags |= SDL_OPENGL; | |
| 818 } | |
| 819 } else { | |
| 820 XGCValues gcv; | |
| 821 | |
| 822 gcv.graphics_exposures = False; | |
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823 SDL_GC = pXCreateGC(SDL_Display, SDL_Window, |
| 0 | 824 GCGraphicsExposures, &gcv); |
| 825 if ( ! SDL_GC ) { | |
| 826 SDL_SetError("Couldn't create graphics context"); | |
| 827 return(-1); | |
| 828 } | |
| 829 } | |
| 830 | |
| 831 /* Set our colormaps when not setting a GL mode */ | |
| 832 if ( ! (flags & SDL_OPENGL) ) { | |
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833 pXSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 834 if( !SDL_windowid ) { |
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835 pXSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap); |
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836 pXSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 837 } |
| 838 } | |
| 839 | |
| 840 #if 0 /* This is an experiment - are the graphics faster now? - nope. */ | |
| 841 if ( getenv("SDL_VIDEO_X11_BACKINGSTORE") ) | |
| 842 #endif | |
| 843 /* Cache the window in the server, when possible */ | |
| 844 { | |
| 845 Screen *xscreen; | |
| 846 XSetWindowAttributes a; | |
| 847 | |
| 848 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 849 a.backing_store = DoesBackingStore(xscreen); | |
| 850 if ( a.backing_store != NotUseful ) { | |
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851 pXChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 852 CWBackingStore, &a); |
| 853 } | |
| 854 } | |
| 855 | |
| 856 /* Update the internal keyboard state */ | |
| 857 X11_SetKeyboardState(SDL_Display, NULL); | |
| 858 | |
|
444
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Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
859 /* 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
|
860 { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
861 Uint8 *keys = SDL_GetKeyState(NULL); |
|
406b12a17b15
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Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
862 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
|
863 switch (i) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
864 case SDLK_NUMLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
865 case SDLK_CAPSLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
866 case SDLK_LCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
867 case SDLK_RCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
868 case SDLK_LSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
869 case SDLK_RSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
870 case SDLK_LALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
871 case SDLK_RALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
872 case SDLK_LMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
873 case SDLK_RMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
874 case SDLK_MODE: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
875 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
876 default: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
877 keys[i] = SDL_RELEASED; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
878 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
879 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
880 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
881 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
882 |
| 0 | 883 /* Map them both and go fullscreen, if requested */ |
| 884 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
|
885 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
|
886 pXMapWindow(SDL_Display, WMwindow); |
| 160 | 887 X11_WaitMapped(this, WMwindow); |
| 0 | 888 if ( flags & SDL_FULLSCREEN ) { |
| 889 screen->flags |= SDL_FULLSCREEN; | |
| 890 X11_EnterFullScreen(this); | |
| 891 } else { | |
| 892 screen->flags &= ~SDL_FULLSCREEN; | |
| 893 } | |
| 894 } | |
| 895 return(0); | |
| 896 } | |
| 897 | |
| 898 static int X11_ResizeWindow(_THIS, | |
| 899 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 900 { | |
| 901 if ( ! SDL_windowid ) { | |
| 902 /* Resize the window manager window */ | |
| 903 X11_SetSizeHints(this, w, h, flags); | |
| 904 current_w = w; | |
| 905 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
|
906 pXResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 907 |
| 908 /* Resize the fullscreen and display windows */ | |
| 909 if ( flags & SDL_FULLSCREEN ) { | |
| 910 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 911 X11_ResizeFullScreen(this); | |
| 912 } else { | |
| 913 screen->flags |= SDL_FULLSCREEN; | |
| 914 X11_EnterFullScreen(this); | |
| 915 } | |
| 916 } else { | |
| 917 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 918 screen->flags &= ~SDL_FULLSCREEN; | |
| 919 X11_LeaveFullScreen(this); | |
| 920 } | |
| 921 } | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
922 pXResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 923 } |
| 924 return(0); | |
| 925 } | |
| 926 | |
| 927 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 928 int width, int height, int bpp, Uint32 flags) | |
| 929 { | |
| 930 Uint32 saved_flags; | |
| 931 | |
| 932 /* Lock the event thread, in multi-threading environments */ | |
| 933 SDL_Lock_EventThread(); | |
| 934 | |
| 935 /* Check the combination of flags we were passed */ | |
| 936 if ( flags & SDL_FULLSCREEN ) { | |
| 937 /* Clear fullscreen flag if not supported */ | |
| 938 if ( SDL_windowid ) { | |
| 939 flags &= ~SDL_FULLSCREEN; | |
| 940 } | |
| 941 } | |
| 942 | |
| 943 /* 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
|
944 pXSync(GFX_Display, False); |
| 0 | 945 |
| 946 /* Set up the X11 window */ | |
| 947 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
|
948 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
|
949 && (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
|
950 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 951 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 952 current = NULL; | |
| 953 goto done; | |
| 954 } | |
| 955 } else { | |
| 956 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 957 current = NULL; | |
| 958 goto done; | |
| 959 } | |
| 960 } | |
| 961 | |
| 962 /* Set up the new mode framebuffer */ | |
| 963 if ( ((current->w != width) || (current->h != height)) || | |
| 964 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 965 current->w = width; | |
| 966 current->h = height; | |
| 967 current->pitch = SDL_CalculatePitch(current); | |
| 968 X11_ResizeImage(this, current, flags); | |
| 969 } | |
| 970 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 971 | |
| 972 done: | |
| 973 /* 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
|
974 pXSync(SDL_Display, False); |
| 0 | 975 SDL_Unlock_EventThread(); |
| 976 | |
| 977 /* We're done! */ | |
| 978 return(current); | |
| 979 } | |
| 980 | |
| 981 static int X11_ToggleFullScreen(_THIS, int on) | |
| 982 { | |
| 983 Uint32 event_thread; | |
| 984 | |
| 985 /* Don't switch if we don't own the window */ | |
| 986 if ( SDL_windowid ) { | |
| 987 return(0); | |
| 988 } | |
| 989 | |
| 990 /* Don't lock if we are the event thread */ | |
| 991 event_thread = SDL_EventThreadID(); | |
| 992 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 993 event_thread = 0; | |
| 994 } | |
| 995 if ( event_thread ) { | |
| 996 SDL_Lock_EventThread(); | |
| 997 } | |
| 998 if ( on ) { | |
| 999 this->screen->flags |= SDL_FULLSCREEN; | |
| 1000 X11_EnterFullScreen(this); | |
| 1001 } else { | |
| 1002 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1003 X11_LeaveFullScreen(this); | |
| 1004 } | |
| 1005 X11_RefreshDisplay(this); | |
| 1006 if ( event_thread ) { | |
| 1007 SDL_Unlock_EventThread(); | |
| 1008 } | |
| 1009 SDL_ResetKeyboard(); | |
| 1010 return(1); | |
| 1011 } | |
| 1012 | |
| 1013 /* Update the current mouse state and position */ | |
| 1014 static void X11_UpdateMouse(_THIS) | |
| 1015 { | |
| 1016 Window u1; int u2; | |
| 1017 Window current_win; | |
| 1018 int x, y; | |
| 1019 unsigned int mask; | |
| 1020 | |
| 1021 /* Lock the event thread, in multi-threading environments */ | |
| 1022 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
|
1023 if ( pXQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1024 &u2, &u2, &x, &y, &mask) ) { |
| 1025 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1026 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1027 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1028 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1029 } else { | |
| 1030 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1031 } | |
| 1032 } | |
| 1033 SDL_Unlock_EventThread(); | |
| 1034 } | |
| 1035 | |
| 1036 /* simple colour distance metric. Supposed to be better than a plain | |
| 1037 Euclidian distance anyway. */ | |
| 1038 #define COLOUR_FACTOR 3 | |
| 1039 #define LIGHT_FACTOR 1 | |
| 1040 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1041 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1042 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1043 | |
| 1044 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1045 SDL_Color *want, int nwant) | |
| 1046 { | |
| 1047 /* | |
| 1048 * There is no way to know which ones to choose from, so we retrieve | |
| 1049 * the entire colormap and try the nearest possible, until we find one | |
| 1050 * that is shared. | |
| 1051 */ | |
| 1052 XColor all[256]; | |
| 1053 int i; | |
| 1054 for(i = 0; i < 256; i++) | |
| 1055 all[i].pixel = i; | |
| 1056 /* | |
| 1057 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1058 * that to keep track of which colours are available | |
| 1059 */ | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1060 pXQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1061 |
| 1062 for(i = 0; i < nwant; i++) { | |
| 1063 XColor *c; | |
| 1064 int j; | |
| 1065 int best = 0; | |
| 1066 int mindist = 0x7fffffff; | |
| 1067 int ri = want[i].r; | |
| 1068 int gi = want[i].g; | |
| 1069 int bi = want[i].b; | |
| 1070 for(j = 0; j < 256; j++) { | |
| 1071 int rj, gj, bj, d2; | |
| 1072 if(!all[j].flags) | |
| 1073 continue; /* unavailable colour cell */ | |
| 1074 rj = all[j].red >> 8; | |
| 1075 gj = all[j].green >> 8; | |
| 1076 bj = all[j].blue >> 8; | |
| 1077 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1078 if(d2 < mindist) { | |
| 1079 mindist = d2; | |
| 1080 best = j; | |
| 1081 } | |
| 1082 } | |
| 1083 if(SDL_XPixels[best]) | |
| 1084 continue; /* already allocated, waste no more time */ | |
| 1085 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
|
1086 if(pXAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1087 /* got it */ |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1088 colors[c->pixel].r = c->red >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1089 colors[c->pixel].g = c->green >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1090 colors[c->pixel].b = c->blue >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1091 ++SDL_XPixels[c->pixel]; |
| 0 | 1092 } else { |
| 1093 /* | |
| 1094 * The colour couldn't be allocated, probably being | |
| 1095 * owned as a r/w cell by another client. Flag it as | |
| 1096 * unavailable and try again. The termination of the | |
| 1097 * loop is guaranteed since at least black and white | |
| 1098 * are always there. | |
| 1099 */ | |
| 1100 c->flags = 0; | |
| 1101 i--; | |
| 1102 } | |
| 1103 } | |
| 1104 } | |
| 1105 | |
| 1106 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1107 { | |
| 1108 int nrej = 0; | |
| 1109 | |
| 1110 /* Check to make sure we have a colormap allocated */ | |
| 1111 if ( SDL_XPixels == NULL ) { | |
| 1112 return(0); | |
| 1113 } | |
| 1114 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1115 /* private writable colormap: just set the colours we need */ | |
| 1116 XColor *xcmap; | |
| 1117 int i; | |
| 1118 xcmap = ALLOCA(ncolors*sizeof(*xcmap)); | |
| 1119 if(xcmap == NULL) | |
| 1120 return 0; | |
| 1121 for ( i=0; i<ncolors; ++i ) { | |
| 1122 xcmap[i].pixel = i + firstcolor; | |
| 1123 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1124 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1125 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1126 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1127 } | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1128 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
|
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1129 pXSync(GFX_Display, False); |
| 0 | 1130 FREEA(xcmap); |
| 1131 } else { | |
| 1132 /* | |
| 1133 * Shared colormap: We only allocate read-only cells, which | |
| 1134 * increases the likelyhood of colour sharing with other | |
| 1135 * clients. The pixel values will almost certainly be | |
| 1136 * different from the requested ones, so the user has to | |
| 1137 * walk the colormap and see which index got what colour. | |
| 1138 * | |
| 1139 * We can work directly with the logical palette since it | |
| 1140 * has already been set when we get here. | |
| 1141 */ | |
| 1142 SDL_Color *want, *reject; | |
| 1143 unsigned long *freelist; | |
| 1144 int i; | |
| 1145 int nfree = 0; | |
| 1146 int nc = this->screen->format->palette->ncolors; | |
| 1147 colors = this->screen->format->palette->colors; | |
| 1148 freelist = ALLOCA(nc * sizeof(*freelist)); | |
| 1149 /* make sure multiple allocations of the same cell are freed */ | |
| 1150 for(i = 0; i < ncolors; i++) { | |
| 1151 int pixel = firstcolor + i; | |
| 1152 while(SDL_XPixels[pixel]) { | |
| 1153 freelist[nfree++] = pixel; | |
| 1154 --SDL_XPixels[pixel]; | |
| 1155 } | |
| 1156 } | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1157 pXFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
| 0 | 1158 FREEA(freelist); |
| 1159 | |
| 1160 want = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1161 reject = ALLOCA(ncolors * sizeof(SDL_Color)); | |
| 1162 memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); | |
| 1163 /* make sure the user isn't fooled by her own wishes | |
| 1164 (black is safe, always available in the default colormap) */ | |
| 1165 memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); | |
| 1166 | |
| 1167 /* now try to allocate the colours */ | |
| 1168 for(i = 0; i < ncolors; i++) { | |
| 1169 XColor col; | |
| 1170 col.red = want[i].r << 8; | |
| 1171 col.green = want[i].g << 8; | |
| 1172 col.blue = want[i].b << 8; | |
| 1173 col.flags = DoRed | DoGreen | DoBlue; | |
|
1168
045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
867
diff
changeset
|
1174 if(pXAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1175 /* We got the colour, or at least the nearest |
| 1176 the hardware could get. */ | |
| 1177 colors[col.pixel].r = col.red >> 8; | |
| 1178 colors[col.pixel].g = col.green >> 8; | |
| 1179 colors[col.pixel].b = col.blue >> 8; | |
| 1180 ++SDL_XPixels[col.pixel]; | |
| 1181 } else { | |
| 1182 /* | |
| 1183 * no more free cells, add it to the list | |
| 1184 * of rejected colours | |
| 1185 */ | |
| 1186 reject[nrej++] = want[i]; | |
| 1187 } | |
| 1188 } | |
| 1189 if(nrej) | |
| 1190 allocate_nearest(this, colors, reject, nrej); | |
| 1191 FREEA(reject); | |
| 1192 FREEA(want); | |
| 1193 } | |
| 1194 return nrej == 0; | |
| 1195 } | |
| 1196 | |
| 1197 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1198 { | |
| 1199 int i, ncolors; | |
| 1200 XColor xcmap[256]; | |
| 1201 | |
| 1202 /* See if actually setting the gamma is supported */ | |
| 1203 if ( SDL_Visual->class != DirectColor ) { | |
| 1204 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1205 return(-1); | |
| 1206 } | |
| 1207 | |
| 1208 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1209 ncolors = SDL_Visual->map_entries; | |
| 1210 for ( i=0; i<ncolors; ++i ) { | |
| 1211 Uint8 c = (256 * i / ncolors); | |
| 1212 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1213 xcmap[i].red = ramp[0*256+c]; | |
| 1214 xcmap[i].green = ramp[1*256+c]; | |
| 1215 xcmap[i].blue = ramp[2*256+c]; | |
| 1216 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1217 } | |
|
1168
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Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
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changeset
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1218 pXStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
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1219 pXSync(GFX_Display, False); |
| 0 | 1220 return(0); |
| 1221 } | |
| 1222 | |
| 1223 /* Note: If we are terminated, this could be called in the middle of | |
| 1224 another SDL video routine -- notably UpdateRects. | |
| 1225 */ | |
| 1226 void X11_VideoQuit(_THIS) | |
| 1227 { | |
| 1228 /* Shutdown everything that's still up */ | |
| 1229 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1230 if ( SDL_Display != NULL ) { | |
| 1231 /* Flush any delayed updates */ | |
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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
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1232 pXSync(GFX_Display, False); |
| 0 | 1233 |
| 1234 /* Start shutting down the windows */ | |
| 1235 X11_DestroyImage(this, this->screen); | |
| 1236 X11_DestroyWindow(this, this->screen); | |
| 1237 X11_FreeVideoModes(this); | |
| 1238 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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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
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1239 pXFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1240 } |
| 1241 if ( SDL_iconcolors ) { | |
| 1242 unsigned long pixel; | |
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Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
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1243 Colormap dcmap = DefaultColormap(SDL_Display, |
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1244 SDL_Screen); |
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Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
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1245 for(pixel = 0; pixel < 256; ++pixel) { |
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3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
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1246 while(SDL_iconcolors[pixel] > 0) { |
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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
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1247 pXFreeColors(GFX_Display, |
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Sam Lantinga <slouken@libsdl.org>
parents:
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1248 dcmap, &pixel, 1, 0); |
| 0 | 1249 --SDL_iconcolors[pixel]; |
| 1250 } | |
| 1251 } | |
| 1252 free(SDL_iconcolors); | |
| 1253 SDL_iconcolors = NULL; | |
| 1254 } | |
| 1255 /* Restore gamma settings if they've changed */ | |
| 1256 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1257 X11_SwapVidModeGamma(this); | |
| 1258 } | |
| 1259 | |
| 1260 /* Free that blank cursor */ | |
| 1261 if ( SDL_BlankCursor != NULL ) { | |
| 1262 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1263 SDL_BlankCursor = NULL; | |
| 1264 } | |
| 1265 | |
| 1266 /* Close the X11 graphics connection */ | |
| 1267 if ( GFX_Display != NULL ) { | |
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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
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1268 pXCloseDisplay(GFX_Display); |
| 0 | 1269 GFX_Display = NULL; |
| 1270 } | |
| 1271 | |
| 1272 /* Close the X11 display connection */ | |
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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
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1273 pXCloseDisplay(SDL_Display); |
| 0 | 1274 SDL_Display = NULL; |
| 1275 | |
| 1276 /* Reset the X11 error handlers */ | |
| 1277 if ( XIO_handler ) { | |
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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
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1278 pXSetIOErrorHandler(XIO_handler); |
| 0 | 1279 } |
| 1280 if ( X_handler ) { | |
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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
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1281 pXSetErrorHandler(X_handler); |
| 0 | 1282 } |
| 1283 | |
| 1284 /* Unload GL library after X11 shuts down */ | |
| 1285 X11_GL_UnloadLibrary(this); | |
| 1286 } | |
| 1287 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1288 /* Direct screen access, no memory buffer */ | |
| 1289 this->screen->pixels = NULL; | |
| 1290 } | |
| 1291 } | |
| 1292 |