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/* Xlib utils */
/*
* Copyright (C) 2001 Havoc Pennington
* 2009 Michal Hruby <michal.mhr@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 <string.h>
#include <stdio.h>
#include <malloc.h>
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/shape.h>
#include "xutils.h"
enum {
STRUT_LEFT = 0,
STRUT_RIGHT = 1,
STRUT_TOP = 2,
STRUT_BOTTOM = 3,
STRUT_LEFT_START = 4,
STRUT_LEFT_END = 5,
STRUT_RIGHT_START = 6,
STRUT_RIGHT_END = 7,
STRUT_TOP_START = 8,
STRUT_TOP_END = 9,
STRUT_BOTTOM_START = 10,
STRUT_BOTTOM_END = 11
};
//pulled out of xutils.c
static Atom net_wm_strut = 0;
static Atom net_wm_strut_partial = 0;
/* xutils_set_strut:
* @gdk_window: window to set struts on
* @position: position of the window, top=0, right=1, bottom=2, left=3
* @strut: the height of the strut
* @strut_start: the start position of the strut
* @strut_end: the end position of the strut
*
* Sets struts for a given @gdk_window on the specified @position.
* To let a maximised window not cover the given struts
*
* - partially pulled out of xutils.c -
*/
void
xutils_set_strut(GdkWindow* gdk_window,
GtkPositionType position,
guint32 strut,
guint32 strut_start,
guint32 strut_end)
{
Display* display;
Window window;
gulong struts [12] = { 0, };
g_return_if_fail(GDK_IS_WINDOW(gdk_window));
display = GDK_WINDOW_XDISPLAY(gdk_window);
window = GDK_WINDOW_XWINDOW(gdk_window);
if (net_wm_strut == None) {
net_wm_strut = XInternAtom(display, "_NET_WM_STRUT", False);
}
if (net_wm_strut_partial == None) {
net_wm_strut_partial = XInternAtom(display, "_NET_WM_STRUT_PARTIAL", False);
}
switch (position) {
case GTK_POS_TOP:
struts [STRUT_TOP] = strut;
struts [STRUT_TOP_START] = strut_start;
struts [STRUT_TOP_END] = strut_end;
break;
case GTK_POS_RIGHT:
struts [STRUT_RIGHT] = strut;
struts [STRUT_RIGHT_START] = strut_start;
struts [STRUT_RIGHT_END] = strut_end;
break;
case GTK_POS_BOTTOM:
struts [STRUT_BOTTOM] = strut;
struts [STRUT_BOTTOM_START] = strut_start;
struts [STRUT_BOTTOM_END] = strut_end;
break;
case GTK_POS_LEFT:
struts [STRUT_LEFT] = strut;
struts [STRUT_LEFT_START] = strut_start;
struts [STRUT_LEFT_END] = strut_end;
break;
}
gdk_error_trap_push();
XChangeProperty(display, window, net_wm_strut,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) &struts, 4);
XChangeProperty(display, window, net_wm_strut_partial,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) &struts, 12);
gdk_error_trap_pop();
}
GdkRegion*
xutils_get_input_shape(GdkWindow* window)
{
GdkRegion* region = gdk_region_new();
GdkRectangle rect;
XRectangle* rects;
int count = 0;
int ordering = 0;
gdk_error_trap_push();
rects = XShapeGetRectangles(GDK_WINDOW_XDISPLAY(window),
GDK_WINDOW_XID(window),
ShapeInput, &count, &ordering);
gdk_error_trap_pop();
for (int i = 0; i < count; ++i) {
rect.x = rects[i].x;
rect.y = rects[i].y;
rect.width = rects[i].width;
rect.height = rects[i].height;
gdk_region_union_with_rect(region, &rect);
}
if (rects) {
free(rects);
}
return region;
}
GdkWindow*
xutils_get_window_at_pointer(GdkDisplay* display)
{
GdkWindow* result = NULL;
Window root;
Window child;
int root_x;
int root_y;
int win_x;
int win_y;
unsigned int flags;
Bool res = XQueryPointer(GDK_DISPLAY_XDISPLAY(display),
GDK_ROOT_WINDOW(), &root, &child,
&root_x, &root_y, &win_x, &win_y, &flags);
if (!res) {
return NULL;
}
result = gdk_window_lookup_for_display(display, child);
if (!result && child != None) {
result = gdk_window_foreign_new(child);
}
return result;
}
gboolean
xutils_is_window_minimized(GdkWindow* window)
{
gboolean result = FALSE;
g_return_val_if_fail(GDK_IS_WINDOW(window), FALSE);
Atom type;
int format;
gulong nitems;
gulong bytes_after;
gulong* num;
Atom wm_state = gdk_x11_atom_to_xatom(
gdk_atom_intern_static_string("WM_STATE"));
gdk_error_trap_push();
type = None;
XGetWindowProperty(GDK_WINDOW_XDISPLAY(window),
GDK_WINDOW_XWINDOW(window),
wm_state,
0, G_MAXLONG,
False, wm_state, &type, &format, &nitems,
&bytes_after, (void*)&num);
if (gdk_error_trap_pop()) {
return FALSE;
}
if (type != wm_state) {
XFree(num);
return FALSE;
}
result = *num == IconicState;
XFree(num);
return result;
}
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