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/*
* Copyright (C) 2005-2007 Carsten Haitzler
* Copyright (C) 2006-2007 Kim Woelders
*
* 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, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* 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
* THE AUTHORS BE LIABLE FOR ANY CLAIM, 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.
*/
/*
* Basic hack mechanism (dlopen etc.) taken from e_hack.c in e17.
*/
#include <stdio.h>
#include <stdlib.h>
#include <dlfcn.h>
#include <X11/Xlib.h>
#include <X11/X.h>
#include "config.h"
#include "util.h"
/* dlopened xlib so we can find the symbols in the real xlib to call them */
static void *lib_xlib = NULL;
static Window root = None;
/* Find our root window */
static Window
MyRoot(Display * dpy)
{
char *s;
if (root != None)
return root;
root = DefaultRootWindow(dpy);
s = getenv("ENL_WM_ROOT");
if (!s)
return root;
sscanf(s, "%lx", &root);
return root;
}
typedef Window(CWF) (Display * _display, Window _parent, int _x,
int _y, unsigned int _width,
unsigned int _height,
unsigned int _border_width, int _depth,
unsigned int _class, Visual * _visual,
unsigned long _valuemask,
XSetWindowAttributes * _attributes);
/* XCreateWindow intercept hack */
__EXPORT__ Window
XCreateWindow(Display * display, Window parent, int x, int y,
unsigned int width, unsigned int height,
unsigned int border_width,
int depth, unsigned int clss, Visual * visual,
unsigned long valuemask, XSetWindowAttributes * attributes)
{
static CWF *func = NULL;
/* find the real Xlib and the real X function */
if (!lib_xlib)
lib_xlib = dlopen("libX11.so", RTLD_GLOBAL | RTLD_LAZY);
if (!func)
func = (CWF *) dlsym(lib_xlib, "XCreateWindow");
if (parent == DefaultRootWindow(display))
parent = MyRoot(display);
return (*func) (display, parent, x, y, width, height, border_width, depth,
clss, visual, valuemask, attributes);
}
typedef Window(CSWF) (Display * _display, Window _parent, int _x,
int _y, unsigned int _width,
unsigned int _height,
unsigned int _border_width,
unsigned long _border,
unsigned long _background);
/* XCreateSimpleWindow intercept hack */
__EXPORT__ Window
XCreateSimpleWindow(Display * display, Window parent, int x, int y,
unsigned int width, unsigned int height,
unsigned int border_width,
unsigned long border, unsigned long background)
{
static CSWF *func = NULL;
/* find the real Xlib and the real X function */
if (!lib_xlib)
lib_xlib = dlopen("libX11.so", RTLD_GLOBAL | RTLD_LAZY);
if (!func)
func = (CSWF *) dlsym(lib_xlib, "XCreateSimpleWindow");
if (parent == DefaultRootWindow(display))
parent = MyRoot(display);
return (*func) (display, parent, x, y, width, height,
border_width, border, background);
}
typedef int (RWF) (Display * _display, Window _window, Window _parent,
int x, int y);
/* XReparentWindow intercept hack */
__EXPORT__ int
XReparentWindow(Display * display, Window window, Window parent, int x, int y)
{
static RWF *func = NULL;
/* find the real Xlib and the real X function */
if (!lib_xlib)
lib_xlib = dlopen("libX11.so", RTLD_GLOBAL | RTLD_LAZY);
if (!func)
func = (RWF *) dlsym(lib_xlib, "XReparentWindow");
if (parent == DefaultRootWindow(display))
parent = MyRoot(display);
return (*func) (display, window, parent, x, y);
}
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