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/*
* Copyright (c) 2001,2000,1999 Sasha Vasko <sasha at aftercode.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdio.h>
#include "xwrap.h"
#include "audit.h"
#include "output.h"
#include "parse.h"
static Display *asbase_current_dpy = NULL;
static int DisplayGrabCount = 0 ;
void set_current_X_display (Display *dpy)
{
asbase_current_dpy = dpy;
}
Display *
get_current_X_display ()
{
#ifndef X_DISPLAY_MISSING
return asbase_current_dpy;
#else
return NULL;
#endif
}
#ifndef X_DISPLAY_MISSING
static int
quiet_xerror_handler (Display * dpy, XErrorEvent * error)
{
return 0;
}
#endif
int
grab_server()
{
#ifndef X_DISPLAY_MISSING
if( asbase_current_dpy )
{
XGrabServer( asbase_current_dpy );
++DisplayGrabCount ;
}
#endif
return DisplayGrabCount;
}
int
ungrab_server()
{
#ifndef X_DISPLAY_MISSING
if( asbase_current_dpy )
{
XUngrabServer( asbase_current_dpy );
--DisplayGrabCount ;
}
#endif
return DisplayGrabCount;
}
Bool
is_server_grabbed()
{
return (DisplayGrabCount > 0);
}
int
get_drawable_size (Drawable d, unsigned int *ret_w, unsigned int *ret_h)
{
int result = 0 ;
#ifndef X_DISPLAY_MISSING
if( d != None && asbase_current_dpy)
{
Window root;
unsigned int ujunk;
int junk;
int (*oldXErrorHandler) (Display *, XErrorEvent *) = XSetErrorHandler (quiet_xerror_handler);
result = XGetGeometry (asbase_current_dpy, d, &root, &junk, &junk, ret_w, ret_h, &ujunk, &ujunk);
XSetErrorHandler (oldXErrorHandler);
}
#endif
if ( result == 0)
{
*ret_w = 0;
*ret_h = 0;
return 0;
}
return 1;
}
Drawable
validate_drawable (Drawable d, unsigned int *pwidth, unsigned int *pheight)
{
#ifndef X_DISPLAY_MISSING
int (*oldXErrorHandler) (Display *, XErrorEvent *) = NULL;
/* we need to check if pixmap is still valid */
Window root;
int junk;
unsigned int ujunk;
oldXErrorHandler = XSetErrorHandler (quiet_xerror_handler);
if (!pwidth)
pwidth = &ujunk;
if (!pheight)
pheight = &ujunk;
if (d != None && asbase_current_dpy)
{
if (!XGetGeometry (asbase_current_dpy, d, &root, &junk, &junk, pwidth, pheight, &ujunk, &ujunk))
d = None;
}
XSetErrorHandler (oldXErrorHandler);
return d;
#else
return None ;
#endif
}
void
backtrace_window ( const char *file, int line, Window w )
{
#ifndef X_DISPLAY_MISSING
Window root, parent, *children = NULL;
unsigned int nchildren;
int (*oldXErrorHandler) (Display *, XErrorEvent *) = NULL;
oldXErrorHandler = XSetErrorHandler (quiet_xerror_handler);
fprintf (stderr, "%s(line%d): Backtracing [%lX]", file, line, w);
while (XQueryTree (asbase_current_dpy, w, &root, &parent, &children, &nchildren))
{
int x, y ;
unsigned int width, height, border, depth ;
XGetGeometry( asbase_current_dpy, w, &root, &x, &y, &width, &height, &border, &depth );
fprintf (stderr, "(%dx%d%+d%+d)", width, height, x, y );
if (children)
XFree (children);
children = NULL ;
w = parent;
fprintf (stderr, "->[%lX] ", w);
if( w == None )
break;
}
XSetErrorHandler (oldXErrorHandler);
fprintf (stderr, "\n");
#endif
}
Window
get_parent_window( Window w )
{
Window parent = None ;
#ifndef X_DISPLAY_MISSING
Window root, *children = NULL;
unsigned int child_count = 0;
XSync( asbase_current_dpy, False );
XQueryTree (asbase_current_dpy, w, &root, &parent, &children, &child_count);
if (children)
XFree (children);
#endif
return parent ;
}
Window
get_topmost_parent( Window w, Window *desktop_w )
{
Window desktop = w ;
#ifndef X_DISPLAY_MISSING
Window root = None;
Window *children = NULL;
unsigned int child_count;
XSync( asbase_current_dpy, False );
while( w != root && w != None )
{
desktop = w ;
XQueryTree (asbase_current_dpy, w, &root, &w, &children, &child_count);
if (children)
XFree (children);
}
#endif
if( desktop_w )
*desktop_w = desktop ;
return w ;
}
#ifdef X_DISPLAY_MISSING
int XParseGeometry ( char *string,int *x,int *y,
unsigned int *width, /* RETURN */
unsigned int *height) /* RETURN */
{
int flags = 0 ;
parse_geometry( string, x, y, width, height, &flags );
return flags ;
}
void XDestroyImage( void* d){}
int XGetWindowAttributes( void*d, Window w, unsigned long m, void* s){ return 0;}
void *XGetImage( void* dpy,Drawable d,int x,int y,unsigned int width,unsigned int height, unsigned long m,int t)
{return NULL ;}
unsigned long XGetPixel(void* d, int x, int y){return 0;}
int XQueryColors(void* a,Colormap c,void* x,int m){return 0;}
#endif
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