| 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@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 | |