1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76
|
/*
* Copyright (C) 2001, 2002 Philip Blundell <philb@gnu.org>
*
* 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 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.
*/
#define YES 1
#define NO 2
#include <stdlib.h>
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
static int stylus_mode_flag;
/**
* gpe_stylus_mode:
*
* Determine if the user interface is set up to use a stylus
* for user input or not.
*
* Returns: YES if stylus mode is set, NO otherwise.
*/
gboolean
gpe_stylus_mode (void)
{
if (! stylus_mode_flag)
{
Display *dpy;
Window root;
Atom atom;
unsigned char *prop = NULL;
Atom type;
int format;
unsigned long nitems;
unsigned long bytes;
dpy = GDK_DISPLAY ();
root = RootWindow (dpy, 0);
atom = XInternAtom (dpy, "_GPE_STYLUS_MODE", True);
stylus_mode_flag = NO;
if (atom)
{
XGetWindowProperty (dpy, root, atom, 0, 1, 0, XA_INTEGER,
&type, &format, &nitems, &bytes,
&prop);
if (nitems)
stylus_mode_flag = YES;
if (prop)
XFree (prop);
}
if (getenv ("GPE_PRETEND_STYLUS") != NULL)
stylus_mode_flag = YES;
}
return stylus_mode_flag == YES;
}
|