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/* $TOG: XPanoramiX.c /main/2 1997/11/16 08:45:41 kaleb $ */
/****************************************************************
* *
* Copyright (c) Digital Equipment Corporation, 1991, 1997 *
* *
* All Rights Reserved. Unpublished rights reserved under *
* the copyright laws of the United States. *
* *
* The software contained on this media is proprietary to *
* and embodies the confidential technology of Digital *
* Equipment Corporation. Possession, use, duplication or *
* dissemination of the software and media is authorized only *
* pursuant to a valid written license from Digital Equipment *
* Corporation. *
* *
* RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure *
* by the U.S. Government is subject to restrictions as set *
* forth in Subparagraph (c)(1)(ii) of DFARS 252.227-7013, *
* or in FAR 52.227-19, as applicable. *
* *
*****************************************************************/
/* $XFree86: xc/lib/Xinerama/Xinerama.c,v 1.1 2000/02/27 23:10:04 mvojkovi Exp $ */
#ifndef __linux__
#error This file should only be built under Linux
#endif
#define NEED_EVENTS
#define NEED_REPLIES
#include <X11/Xlibint.h>
#include <X11/Xutil.h>
/* #include "Xext.h" */ /* in ../include */
#include "extutil.h" /* in ../include */
#include "panoramiXext.h"
#include "panoramiXproto.h" /* in ../include */
#include "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();
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_basep,
int *error_basep
)
{
XExtDisplayInfo *info = find_display (dpy);
if (XextHasExtension(info)) {
*event_basep = info->codes->first_event;
*error_basep = info->codes->first_error;
return True;
} else {
return False;
}
}
Status XPanoramiXQueryVersion(
Display *dpy,
int *major_versionp,
int *minor_versionp
)
{
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_versionp = rep.majorVersion;
*minor_versionp = 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,
int *error_base
)
{
return XPanoramiXQueryExtension(dpy, event_base, error_base);
}
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;
}
#include <stdio.h>
XineramaScreenInfo *
XineramaQueryScreens(
Display *dpy,
int *number
)
{
XExtDisplayInfo *info = find_display (dpy);
xXineramaQueryScreensReply rep;
xXineramaQueryScreensReq *req;
XineramaScreenInfo *scrnInfo = NULL;
PanoramiXCheckExtension (dpy, info, 0);
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;
CARD32 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);
}
UnlockDisplay (dpy);
SyncHandle ();
return scrnInfo;
}
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