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-rw-r--r--libXinerama/src/Xinerama.c632
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;
+}