diff options
Diffstat (limited to 'libXinerama/src/Xinerama.c')
| -rw-r--r-- | libXinerama/src/Xinerama.c | 626 |
1 files changed, 313 insertions, 313 deletions
diff --git a/libXinerama/src/Xinerama.c b/libXinerama/src/Xinerama.c index ac5ecb7af..93b1a9f21 100644 --- a/libXinerama/src/Xinerama.c +++ b/libXinerama/src/Xinerama.c @@ -1,313 +1,313 @@ -/*****************************************************************
-Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
-BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of Digital Equipment Corporation
-shall not be used in advertising or otherwise to promote the sale, use or other
-dealings in this Software without prior written authorization from Digital
-Equipment Corporation.
-******************************************************************/
-
-#include <X11/Xlibint.h>
-#include <X11/Xutil.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-#include <X11/extensions/panoramiXext.h>
-#include <X11/extensions/panoramiXproto.h>
-#include <X11/extensions/Xinerama.h>
-
-
-static XExtensionInfo _panoramiX_ext_info_data;
-static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data;
-static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME;
-
-#define PanoramiXCheckExtension(dpy,i,val) \
- XextCheckExtension (dpy, i, panoramiX_extension_name, val)
-#define PanoramiXSimpleCheckExtension(dpy,i) \
- XextSimpleCheckExtension (dpy, i, panoramiX_extension_name)
-
-static int close_display(Display *dpy, XExtCodes *codes);
-
-static /* const */ XExtensionHooks panoramiX_extension_hooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- close_display, /* close_display */
- NULL, /* wire_to_event */
- NULL, /* event_to_wire */
- NULL, /* error */
- NULL, /* error_string */
-};
-
-static XEXT_GENERATE_FIND_DISPLAY (find_display, panoramiX_ext_info,
- panoramiX_extension_name,
- &panoramiX_extension_hooks,
- 0, NULL)
-
-static XEXT_GENERATE_CLOSE_DISPLAY (close_display, panoramiX_ext_info)
-
-
-
-/****************************************************************************
- * *
- * PanoramiX public interfaces *
- * *
- ****************************************************************************/
-
-Bool XPanoramiXQueryExtension (
- Display *dpy,
- int *event_base_return,
- int *error_base_return
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
-
- if (XextHasExtension(info)) {
- *event_base_return = info->codes->first_event;
- *error_base_return = info->codes->first_error;
- return True;
- } else {
- return False;
- }
-}
-
-
-Status XPanoramiXQueryVersion(
- Display *dpy,
- int *major_version_return,
- int *minor_version_return
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xPanoramiXQueryVersionReply rep;
- register xPanoramiXQueryVersionReq *req;
-
- PanoramiXCheckExtension (dpy, info, 0);
-
- LockDisplay (dpy);
- GetReq (PanoramiXQueryVersion, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_PanoramiXQueryVersion;
- req->clientMajor = PANORAMIX_MAJOR_VERSION;
- req->clientMinor = PANORAMIX_MINOR_VERSION;
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return 0;
- }
- *major_version_return = rep.majorVersion;
- *minor_version_return = rep.minorVersion;
- UnlockDisplay (dpy);
- SyncHandle ();
- return 1;
-}
-
-XPanoramiXInfo *XPanoramiXAllocInfo(void)
-{
- return (XPanoramiXInfo *) Xmalloc (sizeof (XPanoramiXInfo));
-}
-
-Status XPanoramiXGetState (
- Display *dpy,
- Drawable drawable,
- XPanoramiXInfo *panoramiX_info
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xPanoramiXGetStateReply rep;
- register xPanoramiXGetStateReq *req;
-
- PanoramiXCheckExtension (dpy, info, 0);
-
- LockDisplay (dpy);
- GetReq (PanoramiXGetState, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_PanoramiXGetState;
- req->window = drawable;
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return 0;
- }
- UnlockDisplay (dpy);
- SyncHandle ();
- panoramiX_info->window = rep.window;
- panoramiX_info->State = rep.state;
- return 1;
-}
-
-Status XPanoramiXGetScreenCount (
- Display *dpy,
- Drawable drawable,
- XPanoramiXInfo *panoramiX_info
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xPanoramiXGetScreenCountReply rep;
- register xPanoramiXGetScreenCountReq *req;
-
- PanoramiXCheckExtension (dpy, info, 0);
-
- LockDisplay (dpy);
- GetReq (PanoramiXGetScreenCount, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_PanoramiXGetScreenCount;
- req->window = drawable;
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return 0;
- }
- UnlockDisplay (dpy);
- SyncHandle ();
- panoramiX_info->window = rep.window;
- panoramiX_info->ScreenCount = rep.ScreenCount;
- return 1;
-}
-
-Status XPanoramiXGetScreenSize (
- Display *dpy,
- Drawable drawable,
- int screen_num,
- XPanoramiXInfo *panoramiX_info
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xPanoramiXGetScreenSizeReply rep;
- register xPanoramiXGetScreenSizeReq *req;
-
- PanoramiXCheckExtension (dpy, info, 0);
-
- LockDisplay (dpy);
- GetReq (PanoramiXGetScreenSize, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_PanoramiXGetScreenSize;
- req->window = drawable;
- req->screen = screen_num; /* need to define */
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return 0;
- }
- UnlockDisplay (dpy);
- SyncHandle ();
- panoramiX_info->window = rep.window;
- panoramiX_info->screen = rep.screen;
- panoramiX_info->width = rep.width;
- panoramiX_info->height = rep.height;
- return 1;
-}
-
-/*******************************************************************\
- Alternate interface to make up for shortcomings in the original,
- namely, the omission of the screen origin. The new interface is
- in the "Xinerama" namespace instead of "PanoramiX".
-\*******************************************************************/
-
-Bool XineramaQueryExtension (
- Display *dpy,
- int *event_base_return,
- int *error_base_return
-)
-{
- return XPanoramiXQueryExtension(dpy, event_base_return, error_base_return);
-}
-
-Status XineramaQueryVersion(
- Display *dpy,
- int *major,
- int *minor
-)
-{
- return XPanoramiXQueryVersion(dpy, major, minor);
-}
-
-Bool XineramaIsActive(Display *dpy)
-{
- xXineramaIsActiveReply rep;
- xXineramaIsActiveReq *req;
- XExtDisplayInfo *info = find_display (dpy);
-
- if(!XextHasExtension(info))
- return False; /* server doesn't even have the extension */
-
- LockDisplay (dpy);
- GetReq (XineramaIsActive, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_XineramaIsActive;
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return False;
- }
- UnlockDisplay (dpy);
- SyncHandle ();
- return rep.state;
-}
-
-XineramaScreenInfo *
-XineramaQueryScreens(
- Display *dpy,
- int *number
-)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xXineramaQueryScreensReply rep;
- xXineramaQueryScreensReq *req;
- XineramaScreenInfo *scrnInfo = NULL;
-
- PanoramiXCheckExtension (dpy, info, NULL);
-
- LockDisplay (dpy);
- GetReq (XineramaQueryScreens, req);
- req->reqType = info->codes->major_opcode;
- req->panoramiXReqType = X_XineramaQueryScreens;
- if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
- UnlockDisplay (dpy);
- SyncHandle ();
- return NULL;
- }
-
- if(rep.number) {
- if((scrnInfo = Xmalloc(sizeof(XineramaScreenInfo) * rep.number))) {
- xXineramaScreenInfo scratch;
- int i;
-
- for(i = 0; i < rep.number; i++) {
- _XRead(dpy, (char*)(&scratch), sz_XineramaScreenInfo);
- scrnInfo[i].screen_number = i;
- scrnInfo[i].x_org = scratch.x_org;
- scrnInfo[i].y_org = scratch.y_org;
- scrnInfo[i].width = scratch.width;
- scrnInfo[i].height = scratch.height;
- }
-
- *number = rep.number;
- } else
- _XEatData(dpy, rep.length << 2);
- } else {
- *number = 0;
- }
-
- UnlockDisplay (dpy);
- SyncHandle ();
- return scrnInfo;
-}
+/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +#include <X11/Xlibint.h> +#include <X11/Xutil.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <X11/extensions/panoramiXext.h> +#include <X11/extensions/panoramiXproto.h> +#include <X11/extensions/Xinerama.h> + + +static XExtensionInfo _panoramiX_ext_info_data; +static XExtensionInfo *panoramiX_ext_info = &_panoramiX_ext_info_data; +static /* const */ char *panoramiX_extension_name = PANORAMIX_PROTOCOL_NAME; + +#define PanoramiXCheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, panoramiX_extension_name, val) +#define PanoramiXSimpleCheckExtension(dpy,i) \ + XextSimpleCheckExtension (dpy, i, panoramiX_extension_name) + +static int close_display(Display *dpy, XExtCodes *codes); + +static /* const */ XExtensionHooks panoramiX_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + NULL, /* wire_to_event */ + NULL, /* event_to_wire */ + NULL, /* error */ + NULL, /* error_string */ +}; + +static XEXT_GENERATE_FIND_DISPLAY (find_display, panoramiX_ext_info, + panoramiX_extension_name, + &panoramiX_extension_hooks, + 0, NULL) + +static XEXT_GENERATE_CLOSE_DISPLAY (close_display, panoramiX_ext_info) + + + +/**************************************************************************** + * * + * PanoramiX public interfaces * + * * + ****************************************************************************/ + +Bool XPanoramiXQueryExtension ( + Display *dpy, + int *event_base_return, + int *error_base_return +) +{ + XExtDisplayInfo *info = find_display (dpy); + + if (XextHasExtension(info)) { + *event_base_return = info->codes->first_event; + *error_base_return = info->codes->first_error; + return True; + } else { + return False; + } +} + + +Status XPanoramiXQueryVersion( + Display *dpy, + int *major_version_return, + int *minor_version_return +) +{ + XExtDisplayInfo *info = find_display (dpy); + xPanoramiXQueryVersionReply rep; + register xPanoramiXQueryVersionReq *req; + + PanoramiXCheckExtension (dpy, info, 0); + + LockDisplay (dpy); + GetReq (PanoramiXQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_PanoramiXQueryVersion; + req->clientMajor = PANORAMIX_MAJOR_VERSION; + req->clientMinor = PANORAMIX_MINOR_VERSION; + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + *major_version_return = rep.majorVersion; + *minor_version_return = rep.minorVersion; + UnlockDisplay (dpy); + SyncHandle (); + return 1; +} + +XPanoramiXInfo *XPanoramiXAllocInfo(void) +{ + return (XPanoramiXInfo *) Xmalloc (sizeof (XPanoramiXInfo)); +} + +Status XPanoramiXGetState ( + Display *dpy, + Drawable drawable, + XPanoramiXInfo *panoramiX_info +) +{ + XExtDisplayInfo *info = find_display (dpy); + xPanoramiXGetStateReply rep; + register xPanoramiXGetStateReq *req; + + PanoramiXCheckExtension (dpy, info, 0); + + LockDisplay (dpy); + GetReq (PanoramiXGetState, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_PanoramiXGetState; + req->window = drawable; + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + UnlockDisplay (dpy); + SyncHandle (); + panoramiX_info->window = rep.window; + panoramiX_info->State = rep.state; + return 1; +} + +Status XPanoramiXGetScreenCount ( + Display *dpy, + Drawable drawable, + XPanoramiXInfo *panoramiX_info +) +{ + XExtDisplayInfo *info = find_display (dpy); + xPanoramiXGetScreenCountReply rep; + register xPanoramiXGetScreenCountReq *req; + + PanoramiXCheckExtension (dpy, info, 0); + + LockDisplay (dpy); + GetReq (PanoramiXGetScreenCount, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_PanoramiXGetScreenCount; + req->window = drawable; + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + UnlockDisplay (dpy); + SyncHandle (); + panoramiX_info->window = rep.window; + panoramiX_info->ScreenCount = rep.ScreenCount; + return 1; +} + +Status XPanoramiXGetScreenSize ( + Display *dpy, + Drawable drawable, + int screen_num, + XPanoramiXInfo *panoramiX_info +) +{ + XExtDisplayInfo *info = find_display (dpy); + xPanoramiXGetScreenSizeReply rep; + register xPanoramiXGetScreenSizeReq *req; + + PanoramiXCheckExtension (dpy, info, 0); + + LockDisplay (dpy); + GetReq (PanoramiXGetScreenSize, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_PanoramiXGetScreenSize; + req->window = drawable; + req->screen = screen_num; /* need to define */ + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return 0; + } + UnlockDisplay (dpy); + SyncHandle (); + panoramiX_info->window = rep.window; + panoramiX_info->screen = rep.screen; + panoramiX_info->width = rep.width; + panoramiX_info->height = rep.height; + return 1; +} + +/*******************************************************************\ + Alternate interface to make up for shortcomings in the original, + namely, the omission of the screen origin. The new interface is + in the "Xinerama" namespace instead of "PanoramiX". +\*******************************************************************/ + +Bool XineramaQueryExtension ( + Display *dpy, + int *event_base_return, + int *error_base_return +) +{ + return XPanoramiXQueryExtension(dpy, event_base_return, error_base_return); +} + +Status XineramaQueryVersion( + Display *dpy, + int *major, + int *minor +) +{ + return XPanoramiXQueryVersion(dpy, major, minor); +} + +Bool XineramaIsActive(Display *dpy) +{ + xXineramaIsActiveReply rep; + xXineramaIsActiveReq *req; + XExtDisplayInfo *info = find_display (dpy); + + if(!XextHasExtension(info)) + return False; /* server doesn't even have the extension */ + + LockDisplay (dpy); + GetReq (XineramaIsActive, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_XineramaIsActive; + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return False; + } + UnlockDisplay (dpy); + SyncHandle (); + return rep.state; +} + +XineramaScreenInfo * +XineramaQueryScreens( + Display *dpy, + int *number +) +{ + XExtDisplayInfo *info = find_display (dpy); + xXineramaQueryScreensReply rep; + xXineramaQueryScreensReq *req; + XineramaScreenInfo *scrnInfo = NULL; + + PanoramiXCheckExtension (dpy, info, NULL); + + LockDisplay (dpy); + GetReq (XineramaQueryScreens, req); + req->reqType = info->codes->major_opcode; + req->panoramiXReqType = X_XineramaQueryScreens; + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + if(rep.number) { + if((scrnInfo = Xmalloc(sizeof(XineramaScreenInfo) * rep.number))) { + xXineramaScreenInfo scratch; + int i; + + for(i = 0; i < rep.number; i++) { + _XRead(dpy, (char*)(&scratch), sz_XineramaScreenInfo); + scrnInfo[i].screen_number = i; + scrnInfo[i].x_org = scratch.x_org; + scrnInfo[i].y_org = scratch.y_org; + scrnInfo[i].width = scratch.width; + scrnInfo[i].height = scratch.height; + } + + *number = rep.number; + } else + _XEatData(dpy, rep.length << 2); + } else { + *number = 0; + } + + UnlockDisplay (dpy); + SyncHandle (); + return scrnInfo; +} |