diff options
Diffstat (limited to 'libXinerama/src/Xinerama.c')
| -rw-r--r-- | libXinerama/src/Xinerama.c | 632 |
1 files changed, 315 insertions, 317 deletions
diff --git a/libXinerama/src/Xinerama.c b/libXinerama/src/Xinerama.c index e58ede8a6..cbb4b5238 100644 --- a/libXinerama/src/Xinerama.c +++ b/libXinerama/src/Xinerama.c @@ -1,317 +1,315 @@ -/* $Xorg: XPanoramiX.c,v 1.4 2000/08/17 19:45:51 cpqbld Exp $ */ -/***************************************************************** -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. -******************************************************************/ -/* $XFree86: xc/lib/Xinerama/Xinerama.c,v 1.2 2001/07/23 17:20:28 dawes Exp $ */ - -#define NEED_EVENTS -#define NEED_REPLIES -#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; -} +/* $Xorg: XPanoramiX.c,v 1.4 2000/08/17 19:45:51 cpqbld Exp $ */
+/*****************************************************************
+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.
+******************************************************************/
+/* $XFree86: xc/lib/Xinerama/Xinerama.c,v 1.2 2001/07/23 17:20:28 dawes Exp $ */
+
+#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;
+}
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