1 /* 2 * Copyright 1993-2001 by Xi Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * Please see the LICENSE file accompanying this distribution for licensing 6 * information. 7 * 8 * Please send any bug fixes and modifications to src (at) xig.com. 9 * 10 * $XiGId: xme.c,v 1.2 2001/11/30 21:56:59 jon Exp $ 11 * 12 */ 13 14 #define NEED_EVENTS 15 #define NEED_REPLIES 16 17 /* Apparently some X11 systems can't include this multiple times... */ 18 #ifndef SDL_INCLUDED_XLIBINT_H 19 #define SDL_INCLUDED_XLIBINT_H 1 20 #include <X11/Xlibint.h> 21 #endif 22 23 #include <X11/Xthreads.h> 24 #include <X11/Xmd.h> 25 #include <X11/Xproto.h> 26 #include "../extensions/Xext.h" 27 #include "../extensions/extutil.h" 28 29 /*****************************************************************************/ 30 31 32 #define XIGMISC_PROTOCOL_NAME "XiG-SUNDRY-NONSTANDARD" 33 #define XIGMISC_MAJOR_VERSION 2 34 #define XIGMISC_MINOR_VERSION 0 35 36 #define XiGMiscNumberEvents 0 37 38 #define X_XiGMiscQueryVersion 0 39 #define X_XiGMiscQueryViews 1 40 #define X_XiGMiscQueryResolutions 2 41 #define X_XiGMiscChangeResolution 3 42 #define X_XiGMiscFullScreen 4 43 44 #define sz_xXiGMiscQueryVersionReq 8 45 #define sz_xXiGMiscQueryViewsReq 8 46 #define sz_xXiGMiscQueryResolutionsReq 8 47 #define sz_xXiGMiscChangeResolutionReq 16 48 #define sz_xXiGMiscFullScreenReq 16 49 50 #define sz_xXiGMiscQueryVersionReply 32 51 #define sz_xXiGMiscQueryViewsReply 32 52 #define sz_xXiGMiscQueryResolutionsReply 32 53 #define sz_xXiGMiscQueryFullScreenReply 32 54 55 /*******************************************************************/ 56 57 typedef struct { 58 CARD8 reqType; /* always codes->major_opcode */ 59 CARD8 xigmiscReqType; /* always X_XiGMiscQueryVersion */ 60 CARD16 length; 61 CARD16 major; 62 CARD16 minor; 63 } xXiGMiscQueryVersionReq; 64 65 typedef struct { 66 CARD8 reqType; /* always codes->major_opcode */ 67 CARD8 xigmiscReqType; /* always X_XiGMiscQueryViews */ 68 CARD16 length; 69 CARD8 screen; 70 CARD8 pad0; 71 CARD16 pad1; 72 } xXiGMiscQueryViewsReq; 73 74 typedef struct { 75 CARD8 reqType; /* always codes->major_opcode */ 76 CARD8 xigmiscReqType; /* always X_XiGMiscQueryResolutions */ 77 CARD16 length; 78 CARD8 screen; 79 CARD8 view; 80 CARD16 pad0; 81 } xXiGMiscQueryResolutionsReq; 82 83 typedef struct { 84 CARD8 reqType; /* always codes->major_opcode */ 85 CARD8 xigmiscReqType; /* always X_XiGMiscChangeResolution */ 86 CARD16 length; 87 CARD8 screen; 88 CARD8 view; 89 CARD16 pad0; 90 CARD16 width; 91 CARD16 height; 92 INT32 refresh; 93 } xXiGMiscChangeResolutionReq; 94 95 typedef struct { 96 CARD8 reqType; /* always codes->major_opcode */ 97 CARD8 xigmiscReqType; /* always X_XiGMiscFullScreen */ 98 CARD16 length; 99 CARD8 screen; 100 CARD8 pad0; 101 CARD16 pad1; 102 CARD32 window; 103 CARD32 cmap; 104 } xXiGMiscFullScreenReq; 105 106 /*******************************************************************/ 107 108 typedef struct { 109 BYTE type; /* X_Reply */ 110 CARD8 pad0; 111 CARD16 sequenceNumber; 112 CARD32 length; 113 CARD16 major; 114 CARD16 minor; 115 CARD32 pad1; 116 CARD32 pad2; 117 CARD32 pad3; 118 CARD32 pad4; 119 CARD32 pad5; 120 } xXiGMiscQueryVersionReply; 121 122 typedef struct { 123 BYTE type; /* X_Reply */ 124 CARD8 pad0; 125 CARD16 sequenceNumber; 126 CARD32 length; 127 CARD32 nviews; 128 CARD32 pad1; 129 CARD32 pad2; 130 CARD32 pad3; 131 CARD32 pad4; 132 CARD32 pad5; 133 } xXiGMiscQueryViewsReply; 134 135 typedef struct { 136 BYTE type; /* X_Reply */ 137 CARD8 pad0; 138 CARD16 sequenceNumber; 139 CARD32 length; 140 CARD16 active; 141 CARD16 nresolutions; 142 CARD32 pad1; 143 CARD32 pad2; 144 CARD32 pad3; 145 CARD32 pad4; 146 CARD32 pad5; 147 } xXiGMiscQueryResolutionsReply; 148 149 typedef struct { 150 BYTE type; /* X_Reply */ 151 BOOL success; 152 CARD16 sequenceNumber; 153 CARD32 length; 154 CARD32 pad1; 155 CARD32 pad2; 156 CARD32 pad3; 157 CARD32 pad4; 158 CARD32 pad5; 159 CARD32 pad6; 160 } xXiGMiscFullScreenReply; 161 162 /*******************************************************************/ 163 164 typedef struct { 165 INT16 x; 166 INT16 y; 167 CARD16 w; 168 CARD16 h; 169 } XiGMiscViewInfo; 170 171 typedef struct { 172 CARD16 width; 173 CARD16 height; 174 INT32 refresh; 175 } XiGMiscResolutionInfo; 176 177 /*****************************************************************************/ 178 179 static XExtensionInfo *xigmisc_info = NULL; 180 static char *xigmisc_extension_name = XIGMISC_PROTOCOL_NAME; 181 182 #define XiGMiscCheckExtension(dpy,i,val) \ 183 XextCheckExtension (dpy, i, xigmisc_extension_name, val) 184 #define XiGMiscSimpleCheckExtension(dpy,i) \ 185 XextSimpleCheckExtension (dpy, i, xigmisc_extension_name) 186 187 #if defined(__STDC__) && !defined(UNIXCPP) 188 #define XiGMiscGetReq(name,req,info) GetReq (name, req); \ 189 req->reqType = info->codes->major_opcode; \ 190 req->xigmiscReqType = X_##name; 191 192 #define XiGMiscGetReqExtra(name,n,req,info) GetReqExtra (name, n, req); \ 193 req->reqType = info->codes->major_opcode; \ 194 req->xigmicReqType = X_##name; 195 #else 196 #define XiGMiscGetReq(name,req,info) GetReq (name, req); \ 197 req->reqType = info->codes->major_opcode; \ 198 req->xigmiscReqType = X_/**/name; 199 #define XiGMiscGetReqExtra(name,n,req,info) GetReqExtra (name, n, req); \ 200 req->reqType = info->codes->major_opcode; \ 201 req->xigmiscReqType = X_/**/name; 202 #endif 203 204 205 206 /* 207 * find_display - locate the display info block 208 */ 209 static int XiGMiscCloseDisplay(); 210 211 static XExtensionHooks xigmisc_extension_hooks = { 212 NULL, /* create_gc */ 213 NULL, /* copy_gc */ 214 NULL, /* flush_gc */ 215 NULL, /* free_gc */ 216 NULL, /* create_font */ 217 NULL, /* free_font */ 218 XiGMiscCloseDisplay, /* close_display */ 219 NULL, /* wire_to_event */ 220 NULL, /* event_to_wire */ 221 NULL, /* error */ 222 NULL, /* error_string */ 223 }; 224 225 226 static XEXT_GENERATE_CLOSE_DISPLAY (XiGMiscCloseDisplay, xigmisc_info) 227 228 static XEXT_GENERATE_FIND_DISPLAY (XiGMiscFindDisplay, xigmisc_info, 229 xigmisc_extension_name, 230 &xigmisc_extension_hooks, XiGMiscNumberEvents, NULL) 231 232 233 /*****************************************************************************/ 234 235 Bool XiGMiscQueryVersion(Display *dpy, int *major, int *minor) 236 { 237 int opcode, event, error; 238 xXiGMiscQueryVersionReq *req; 239 xXiGMiscQueryVersionReply rep; 240 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); 241 242 if (!XQueryExtension(dpy, XIGMISC_PROTOCOL_NAME, &opcode, &event, &error)) 243 return xFalse; 244 245 XiGMiscCheckExtension(dpy, info, xFalse); 246 247 LockDisplay (dpy); 248 XiGMiscGetReq (XiGMiscQueryVersion, req, info); 249 250 req->major = XIGMISC_MAJOR_VERSION; 251 req->minor = XIGMISC_MINOR_VERSION; 252 253 if (!_XReply (dpy, (xReply *)&rep, 0, xTrue)) { 254 UnlockDisplay(dpy); 255 SyncHandle(); 256 return xFalse; 257 } 258 259 *major = rep.major; 260 *minor = rep.minor; 261 UnlockDisplay(dpy); 262 SyncHandle(); 263 264 return xTrue; 265 } 266 267 int XiGMiscQueryViews(Display *dpy, int screen, XiGMiscViewInfo **pviews) 268 { 269 int n, size; 270 XiGMiscViewInfo *views; 271 xXiGMiscQueryViewsReq *req; 272 xXiGMiscQueryViewsReply rep; 273 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); 274 XiGMiscCheckExtension(dpy, info, 0); 275 276 LockDisplay (dpy); 277 XiGMiscGetReq (XiGMiscQueryViews, req, info); 278 req->screen = screen; 279 280 if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) { 281 UnlockDisplay(dpy); 282 SyncHandle(); 283 return 0; 284 } 285 286 n = rep.nviews; 287 288 if (n > 0) { 289 size = sizeof(XiGMiscViewInfo) * n; 290 views = (XiGMiscViewInfo*)Xmalloc(size); 291 if (!views) { 292 _XEatData(dpy, (unsigned long)size); 293 UnlockDisplay(dpy); 294 SyncHandle(); 295 return 0; 296 } 297 298 _XReadPad(dpy, (void*)views, size); 299 300 *pviews = views; 301 } 302 303 UnlockDisplay(dpy); 304 SyncHandle(); 305 306 return n; 307 } 308 309 int XiGMiscQueryResolutions(Display *dpy, int screen, int view, int *pactive, XiGMiscResolutionInfo **presolutions) 310 { 311 int n, size; 312 XiGMiscResolutionInfo *resolutions; 313 xXiGMiscQueryResolutionsReq *req; 314 xXiGMiscQueryResolutionsReply rep; 315 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); 316 XiGMiscCheckExtension(dpy, info, 0); 317 318 LockDisplay (dpy); 319 XiGMiscGetReq (XiGMiscQueryResolutions, req, info); 320 req->screen = screen; 321 req->view = view; 322 323 if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) { 324 UnlockDisplay(dpy); 325 SyncHandle(); 326 return 0; 327 } 328 329 n = rep.nresolutions; 330 331 if (n > 0) { 332 size = sizeof(XiGMiscResolutionInfo) * n; 333 resolutions = (XiGMiscResolutionInfo*)Xmalloc(size); 334 if (!resolutions) { 335 _XEatData(dpy, (unsigned long)size); 336 UnlockDisplay(dpy); 337 SyncHandle(); 338 return 0; 339 } 340 341 _XReadPad(dpy, (void*)resolutions, size); 342 343 *presolutions = resolutions; 344 *pactive = rep.active; 345 } 346 347 UnlockDisplay(dpy); 348 SyncHandle(); 349 350 return n; 351 } 352 353 void XiGMiscChangeResolution(Display *dpy, int screen, int view, int width, int height, int refresh) 354 { 355 xXiGMiscChangeResolutionReq *req; 356 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); 357 358 XiGMiscSimpleCheckExtension(dpy, info); 359 360 LockDisplay (dpy); 361 XiGMiscGetReq (XiGMiscChangeResolution, req, info); 362 req->screen = screen; 363 req->view = view; 364 req->width = width; 365 req->height = height; 366 req->refresh = refresh; 367 368 UnlockDisplay(dpy); 369 SyncHandle(); 370 } 371 372 373 Bool XiGMiscFullScreen(Display *dpy, int screen, XID window, XID cmap) 374 { 375 xXiGMiscFullScreenReq *req; 376 xXiGMiscFullScreenReply rep; 377 XExtDisplayInfo *info = XiGMiscFindDisplay(dpy); 378 379 XiGMiscCheckExtension(dpy, info, xFalse); 380 381 LockDisplay (dpy); 382 XiGMiscGetReq (XiGMiscFullScreen, req, info); 383 req->screen = screen; 384 req->pad0 = 0; 385 req->pad1 = 0; 386 req->window = window; 387 req->cmap = cmap; 388 389 if (!_XReply (dpy, (xReply *)&rep, 0, xTrue)) { 390 UnlockDisplay(dpy); 391 SyncHandle(); 392 return xFalse; 393 } 394 395 UnlockDisplay(dpy); 396 SyncHandle(); 397 398 return (rep.success ? xTrue : xFalse); 399 } 400 401 402 /* SDL addition from Ryan: free memory used by xme. */ 403 void XiGMiscDestroy(void) 404 { 405 if (xigmisc_info) { 406 XextDestroyExtension(xigmisc_info); 407 xigmisc_info = NULL; 408 } 409 } 410 411
