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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* 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>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#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)
{
Window *wm_window_v = NULL;
guchar *moblin_string = NULL;
GModule *module = NULL;
/*
* 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 {
gint (*XFree) (gpointer);
gint (*XGetWindowProperty) (Display *, XID, Atom, long, long, Bool,
Atom, Atom *, gint *, gulong *,
gulong *, guchar **);
} fns = { 0, 0 };
*is_meego = *small_screen = FALSE;
moblin_string = (guchar *) g_getenv ("EVO_MEEGO");
if (!moblin_string) {
GdkScreen *screen;
GdkDisplay *display;
GdkAtom wm_win, mob_atom;
Atom dummy_t;
gulong dummy_l;
gint dummy_i;
if (!gdk_display_get_default ())
return;
wm_win = gdk_atom_intern ("_NET_SUPPORTING_WM_CHECK", TRUE);
mob_atom = gdk_atom_intern ("_DAWATI", 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 (display);
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,
(guchar **) (&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_ignored ();
}
if (moblin_string) {
gint i;
gchar **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++) {
gchar **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);
if (fns.XFree)
fns.XFree (moblin_string);
}
exit:
if (wm_window_v)
fns.XFree (wm_window_v);
if (module)
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>
gint main (gint argc, gchar **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
|
