| 1 | /* $Xorg: XPanoramiX.c,v 1.4 2000/08/17 19:45:51 cpqbld Exp $ */ |
| 2 | /***************************************************************** |
| 3 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
| 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | of this software and associated documentation files (the "Software"), to deal |
| 6 | in the Software without restriction, including without limitation the rights |
| 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | copies of the Software. |
| 9 | |
| 10 | The above copyright notice and this permission notice shall be included in |
| 11 | all copies or substantial portions of the Software. |
| 12 | |
| 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 16 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
| 17 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
| 18 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
| 19 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | |
| 21 | Except as contained in this notice, the name of Digital Equipment Corporation |
| 22 | shall not be used in advertising or otherwise to promote the sale, use or other |
| 23 | dealings in this Software without prior written authorization from Digital |
| 24 | Equipment Corporation. |
| 25 | ******************************************************************/ |
| 26 | /* $XFree86: xc/lib/Xinerama/Xinerama.c,v 1.2 2001/07/23 17:20:28 dawes Exp $ */ |
| 27 | |
| 28 | #define NEED_EVENTS |
| 29 | #define NEED_REPLIES |
| 30 | |
| 31 | /* Apparently some X11 systems can't include this multiple times... */ |
| 32 | #ifndef SDL_INCLUDED_XLIBINT_H |
| 33 | #define SDL_INCLUDED_XLIBINT_H 1 |
| 34 | #include <X11/Xlibint.h> |
| 35 | #endif |
| 36 | |
| 37 | #include <X11/Xutil.h> |
| 38 | #include "../extensions/Xext.h" |
| 39 | #include "../extensions/extutil.h" /* in ../include */ |
| 40 | #include "../extensions/panoramiXext.h" |
| 41 | #include "../extensions/panoramiXproto.h" /* in ../include */ |
| 42 | #include "../extensions/Xinerama.h" |
| 43 | |
| 44 | static XExtensionInfo _panoramiX_ext_info_data; |
| 45 | static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data; |
| 46 | static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME; |
| 47 | |
| 48 | #define PanoramiXCheckExtension(dpy,i,val) \ |
| 49 | XextCheckExtension (dpy, i, panoramiX_extension_name, val) |
| 50 | #define PanoramiXSimpleCheckExtension(dpy,i) \ |
| 51 | XextSimpleCheckExtension (dpy, i, panoramiX_extension_name) |
| 52 | |
| 53 | static int close_display(); |
| 54 | static /* const */ XExtensionHooks panoramiX_extension_hooks = { |
| 55 | NULL, /* create_gc */ |
| 56 | NULL, /* copy_gc */ |
| 57 | NULL, /* flush_gc */ |
| 58 | NULL, /* free_gc */ |
| 59 | NULL, /* create_font */ |
| 60 | NULL, /* free_font */ |
| 61 | close_display, /* close_display */ |
| 62 | NULL, /* wire_to_event */ |
| 63 | NULL, /* event_to_wire */ |
| 64 | NULL, /* error */ |
| 65 | NULL, /* error_string */ |
| 66 | }; |
| 67 | |
| 68 | static XEXT_GENERATE_FIND_DISPLAY (find_display, panoramiX_ext_info, |
| 69 | panoramiX_extension_name, |
| 70 | &panoramiX_extension_hooks, |
| 71 | 0, NULL) |
| 72 | |
| 73 | static XEXT_GENERATE_CLOSE_DISPLAY (close_display, panoramiX_ext_info) |
| 74 | |
| 75 | |
| 76 | |
| 77 | /**************************************************************************** |
| 78 | * * |
| 79 | * PanoramiX public interfaces * |
| 80 | * * |
| 81 | ****************************************************************************/ |
| 82 | |
| 83 | Bool SDL_NAME(XPanoramiXQueryExtension) ( |
| 84 | Display *dpy, |
| 85 | int *event_basep, |
| 86 | int *error_basep |
| 87 | ) |
| 88 | { |
| 89 | XExtDisplayInfo *info = find_display (dpy); |
| 90 | |
| 91 | if (XextHasExtension(info)) { |
| 92 | *event_basep = info->codes->first_event; |
| 93 | *error_basep = info->codes->first_error; |
| 94 | return True; |
| 95 | } else { |
| 96 | return False; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | |
| 101 | Status SDL_NAME(XPanoramiXQueryVersion)( |
| 102 | Display *dpy, |
| 103 | int *major_versionp, |
| 104 | int *minor_versionp |
| 105 | ) |
| 106 | { |
| 107 | XExtDisplayInfo *info = find_display (dpy); |
| 108 | xPanoramiXQueryVersionReply rep; |
| 109 | register xPanoramiXQueryVersionReq *req; |
| 110 | |
| 111 | PanoramiXCheckExtension (dpy, info, 0); |
| 112 | |
| 113 | LockDisplay (dpy); |
| 114 | GetReq (PanoramiXQueryVersion, req); |
| 115 | req->reqType = info->codes->major_opcode; |
| 116 | req->panoramiXReqType = X_PanoramiXQueryVersion; |
| 117 | req->clientMajor = PANORAMIX_MAJOR_VERSION; |
| 118 | req->clientMinor = PANORAMIX_MINOR_VERSION; |
| 119 | if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { |
| 120 | UnlockDisplay (dpy); |
| 121 | SyncHandle (); |
| 122 | return 0; |
| 123 | } |
| 124 | *major_versionp = rep.majorVersion; |
| 125 | *minor_versionp = rep.minorVersion; |
| 126 | UnlockDisplay (dpy); |
| 127 | SyncHandle (); |
| 128 | return 1; |
| 129 | } |
| 130 | |
| 131 | SDL_NAME(XPanoramiXInfo) *SDL_NAME(XPanoramiXAllocInfo)(void) |
| 132 | { |
| 133 | return (SDL_NAME(XPanoramiXInfo) *) Xmalloc (sizeof (SDL_NAME(XPanoramiXInfo))); |
| 134 | } |
| 135 | |
| 136 | Status SDL_NAME(XPanoramiXGetState) ( |
| 137 | Display *dpy, |
| 138 | Drawable drawable, |
| 139 | SDL_NAME(XPanoramiXInfo) *panoramiX_info |
| 140 | ) |
| 141 | { |
| 142 | XExtDisplayInfo *info = find_display (dpy); |
| 143 | xPanoramiXGetStateReply rep; |
| 144 | register xPanoramiXGetStateReq *req; |
| 145 | |
| 146 | PanoramiXCheckExtension (dpy, info, 0); |
| 147 | |
| 148 | LockDisplay (dpy); |
| 149 | GetReq (PanoramiXGetState, req); |
| 150 | req->reqType = info->codes->major_opcode; |
| 151 | req->panoramiXReqType = X_PanoramiXGetState; |
| 152 | req->window = drawable; |
| 153 | if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { |
| 154 | UnlockDisplay (dpy); |
| 155 | SyncHandle (); |
| 156 | return 0; |
| 157 | } |
| 158 | UnlockDisplay (dpy); |
| 159 | SyncHandle (); |
| 160 | panoramiX_info->window = rep.window; |
| 161 | panoramiX_info->State = rep.state; |
| 162 | return 1; |
| 163 | } |
| 164 | |
| 165 | Status SDL_NAME(XPanoramiXGetScreenCount) ( |
| 166 | Display *dpy, |
| 167 | Drawable drawable, |
| 168 | SDL_NAME(XPanoramiXInfo) *panoramiX_info |
| 169 | ) |
| 170 | { |
| 171 | XExtDisplayInfo *info = find_display (dpy); |
| 172 | xPanoramiXGetScreenCountReply rep; |
| 173 | register xPanoramiXGetScreenCountReq *req; |
| 174 | |
| 175 | PanoramiXCheckExtension (dpy, info, 0); |
| 176 | |
| 177 | LockDisplay (dpy); |
| 178 | GetReq (PanoramiXGetScreenCount, req); |
| 179 | req->reqType = info->codes->major_opcode; |
| 180 | req->panoramiXReqType = X_PanoramiXGetScreenCount; |
| 181 | req->window = drawable; |
| 182 | if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { |
| 183 | UnlockDisplay (dpy); |
| 184 | SyncHandle (); |
| 185 | return 0; |
| 186 | } |
| 187 | UnlockDisplay (dpy); |
| 188 | SyncHandle (); |
| 189 | panoramiX_info->window = rep.window; |
| 190 | panoramiX_info->ScreenCount = rep.ScreenCount; |
| 191 | return 1; |
| 192 | } |
| 193 | |
| 194 | Status SDL_NAME(XPanoramiXGetScreenSize) ( |
| 195 | Display *dpy, |
| 196 | Drawable drawable, |
| 197 | int screen_num, |
| 198 | SDL_NAME(XPanoramiXInfo) *panoramiX_info |
| 199 | ) |
| 200 | { |
| 201 | XExtDisplayInfo *info = find_display (dpy); |
| 202 | xPanoramiXGetScreenSizeReply rep; |
| 203 | register xPanoramiXGetScreenSizeReq *req; |
| 204 | |
| 205 | PanoramiXCheckExtension (dpy, info, 0); |
| 206 | |
| 207 | LockDisplay (dpy); |
| 208 | GetReq (PanoramiXGetScreenSize, req); |
| 209 | req->reqType = info->codes->major_opcode; |
| 210 | req->panoramiXReqType = X_PanoramiXGetScreenSize; |
| 211 | req->window = drawable; |
| 212 | req->screen = screen_num; /* need to define */ |
| 213 | if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { |
| 214 | UnlockDisplay (dpy); |
| 215 | SyncHandle (); |
| 216 | return 0; |
| 217 | } |
| 218 | UnlockDisplay (dpy); |
| 219 | SyncHandle (); |
| 220 | panoramiX_info->window = rep.window; |
| 221 | panoramiX_info->screen = rep.screen; |
| 222 | panoramiX_info->width = rep.width; |
| 223 | panoramiX_info->height = rep.height; |
| 224 | return 1; |
| 225 | } |
| 226 | |
| 227 | /*******************************************************************\ |
| 228 | Alternate interface to make up for shortcomings in the original, |
| 229 | namely, the omission of the screen origin. The new interface is |
| 230 | in the "Xinerama" namespace instead of "PanoramiX". |
| 231 | \*******************************************************************/ |
| 232 | |
| 233 | Bool SDL_NAME(XineramaQueryExtension) ( |
| 234 | Display *dpy, |
| 235 | int *event_base, |
| 236 | int *error_base |
| 237 | ) |
| 238 | { |
| 239 | return SDL_NAME(XPanoramiXQueryExtension)(dpy, event_base, error_base); |
| 240 | } |
| 241 | |
| 242 | Status SDL_NAME(XineramaQueryVersion)( |
| 243 | Display *dpy, |
| 244 | int *major, |
| 245 | int *minor |
| 246 | ) |
| 247 | { |
| 248 | return SDL_NAME(XPanoramiXQueryVersion)(dpy, major, minor); |
| 249 | } |
| 250 | |
| 251 | Bool SDL_NAME(XineramaIsActive)(Display *dpy) |
| 252 | { |
| 253 | xXineramaIsActiveReply rep; |
| 254 | xXineramaIsActiveReq *req; |
| 255 | XExtDisplayInfo *info = find_display (dpy); |
| 256 | |
| 257 | if(!XextHasExtension(info)) |
| 258 | return False; /* server doesn't even have the extension */ |
| 259 | |
| 260 | LockDisplay (dpy); |
| 261 | GetReq (XineramaIsActive, req); |
| 262 | req->reqType = info->codes->major_opcode; |
| 263 | req->panoramiXReqType = X_XineramaIsActive; |
| 264 | if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { |
| 265 | UnlockDisplay (dpy); |
| 266 | SyncHandle (); |
| 267 | return False; |
| 268 | } |
| 269 | UnlockDisplay (dpy); |
| 270 | SyncHandle (); |
| 271 | return rep.state; |
| 272 | } |
| 273 | |
| 274 | #include <stdio.h> |
| 275 | |
| 276 | SDL_NAME(XineramaScreenInfo) * |
| 277 | SDL_NAME(XineramaQueryScreens)( |
| 278 | Display *dpy, |
| 279 | int *number |
| 280 | ) |
| 281 | { |
| 282 | XExtDisplayInfo *info = find_display (dpy); |
| 283 | xXineramaQueryScreensReply rep; |
| 284 | xXineramaQueryScreensReq *req; |
| 285 | SDL_NAME(XineramaScreenInfo) *scrnInfo = NULL; |
| 286 | |
| 287 | PanoramiXCheckExtension (dpy, info, 0); |
| 288 | |
| 289 | LockDisplay (dpy); |
| 290 | GetReq (XineramaQueryScreens, req); |
| 291 | req->reqType = info->codes->major_opcode; |
| 292 | req->panoramiXReqType = X_XineramaQueryScreens; |
| 293 | if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { |
| 294 | UnlockDisplay (dpy); |
| 295 | SyncHandle (); |
| 296 | return NULL; |
| 297 | } |
| 298 | |
| 299 | if(rep.number) { |
| 300 | if((scrnInfo = Xmalloc(sizeof(SDL_NAME(XineramaScreenInfo)) * rep.number))) { |
| 301 | xXineramaScreenInfo scratch; |
| 302 | int i; |
| 303 | |
| 304 | for(i = 0; i < rep.number; i++) { |
| 305 | _XRead(dpy, (char*)(&scratch), sz_XineramaScreenInfo); |
| 306 | scrnInfo[i].screen_number = i; |
| 307 | scrnInfo[i].x_org = scratch.x_org; |
| 308 | scrnInfo[i].y_org = scratch.y_org; |
| 309 | scrnInfo[i].width = scratch.width; |
| 310 | scrnInfo[i].height = scratch.height; |
| 311 | } |
| 312 | |
| 313 | *number = rep.number; |
| 314 | } else |
| 315 | _XEatData(dpy, rep.length << 2); |
| 316 | } |
| 317 | |
| 318 | UnlockDisplay (dpy); |
| 319 | SyncHandle (); |
| 320 | return scrnInfo; |
| 321 | } |
| 322 | |
| 323 | |
| 324 | |