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/*
* e-shell-meego.c
*
* This program 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) version 3.
*
* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* Inspired by mx's mx-application.c by
* Thomas Wood <thomas.wood@intel.com>,
* Chris Lord <chris@linux.intel.com>
*/
#include <glib.h>
#include <e-shell-meego.h>
#ifndef G_OS_WIN32
#include <gdk/gdkx.h>
#include <X11/Xatom.h>
#endif
#ifdef G_OS_WIN32
void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
{
*is_meego = *small_screen = FALSE;
}
#else
void e_shell_detect_meego (gboolean *is_meego, gboolean *small_screen)
{
GdkAtom wm_win, mob_atom;
Atom dummy_t;
unsigned long dummy_l;
int dummy_i;
GdkScreen *screen;
GdkDisplay *display;
Window *wm_window_v = NULL;
unsigned char *moblin_string = NULL;
GModule *module;
/*
* Wow - this is unpleasant, but it is hard to link directly
* to the X libraries, and we have to use XGetWindowProperty
* to get to the (mind-mashed) 'supporting' window.
*/
struct {
int (*XFree) (void *);
int (*XGetWindowProperty) (Display*, XID, Atom, long, long, Bool,
Atom, Atom *, int *, unsigned long*,
unsigned long*, unsigned char**);
} fns = { 0, 0 };
*is_meego = *small_screen = FALSE;
if (!gdk_display_get_default ())
return;
wm_win = gdk_atom_intern ("_NET_SUPPORTING_WM_CHECK", TRUE);
mob_atom = gdk_atom_intern ("_MOBLIN", TRUE);
if (!wm_win || !mob_atom)
return;
module = g_module_open (NULL, 0);
if (!module)
return;
g_module_symbol (module, "XFree", (gpointer) &fns.XFree);
g_module_symbol (module, "XGetWindowProperty",
(gpointer) &fns.XGetWindowProperty);
if (!fns.XFree || !fns.XGetWindowProperty) {
fprintf (stderr, "defective X server\n");
goto exit;
}
display = gdk_display_get_default ();
screen = gdk_display_get_default_screen (gdk_display_get_default());
gdk_error_trap_push ();
/* get the window manager's supporting window */
fns.XGetWindowProperty (gdk_x11_display_get_xdisplay (display),
GDK_WINDOW_XID (gdk_screen_get_root_window (screen)),
gdk_x11_atom_to_xatom_for_display (display, wm_win),
0, 1, False, XA_WINDOW, &dummy_t, &dummy_i,
&dummy_l, &dummy_l, (unsigned char **)(&wm_window_v));
/* get the '_Moblin' setting */
if (wm_window_v && (*wm_window_v != None))
fns.XGetWindowProperty (gdk_x11_display_get_xdisplay (display), *wm_window_v,
gdk_x11_atom_to_xatom_for_display (display, mob_atom),
0, 8192, False, XA_STRING,
&dummy_t, &dummy_i, &dummy_l, &dummy_l,
&moblin_string);
gdk_error_trap_pop ();
if (moblin_string) {
int i;
char **props;
g_warning ("prop '%s'", moblin_string);
/* use meego theming tweaks */
*is_meego = TRUE;
props = g_strsplit ((gchar *)moblin_string, ":", -1);
for (i = 0; props && props[i]; i++) {
char **pair = g_strsplit (props[i], "=", 2);
g_warning ("pair '%s'='%s'", pair ? pair[0] : "<null>",
pair && pair[0] ? pair[1] : "<null>");
/* Hunt for session-type=small-screen */
if (pair && pair[0] && !g_ascii_strcasecmp (pair[0], "session-type"))
*small_screen = !g_ascii_strcasecmp (pair[1], "small-screen");
g_strfreev (pair);
}
g_strfreev (props);
fns.XFree (moblin_string);
}
exit:
if (wm_window_v)
fns.XFree (wm_window_v);
g_module_close (module);
}
#endif
#ifdef TEST_APP
/* gcc -g -O0 -Wall -I. -DTEST_APP `pkg-config --cflags --libs gtk+-2.0` e-shell-meego.c && ./a.out */
#include <gtk/gtk.h>
int main (int argc, char **argv)
{
gboolean is_meego, small_screen;
gtk_init (&argc, &argv);
e_shell_detect_meego (&is_meego, &small_screen);
fprintf (stderr, "Meego ? %d small ? %d\n", is_meego, small_screen);
return 0;
}
#endif
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