1 /*
2 * Copyright (C) 2012 Stefano Karapetsas
3 * Copyright (C) 2012-2021 MATE Developers
4 * Authors: Stefano Karapetsas <stefano@karapetsas.com>
5 * All Rights Reserved
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include "appearance.h"
23 #include "wm-common.h"
24 #include "appearance-support.h"
25
26 #include <glib.h>
27 #include <gio/gio.h>
28
29 static gboolean
is_program_in_path(const char * program)30 is_program_in_path (const char *program)
31 {
32 char *tmp = g_find_program_in_path (program);
33 if (tmp != NULL)
34 {
35 g_free (tmp);
36 return TRUE;
37 }
38 else
39 {
40 return FALSE;
41 }
42 }
43
44 static gboolean
metacity_is_running(void)45 metacity_is_running(void)
46 {
47 gboolean is_running = FALSE;
48 gchar *current_wm = NULL;
49
50 current_wm = wm_common_get_current_window_manager ();
51
52 is_running = (g_strcmp0(current_wm, WM_COMMON_METACITY) == 0) ||
53 (g_strcmp0(current_wm, WM_COMMON_COMPIZ_OLD) == 0) ||
54 (g_strcmp0(current_wm, WM_COMMON_COMPIZ) == 0);
55
56 g_free (current_wm);
57
58 return is_running;
59 }
60
61 static void
metacity_theme_apply(const gchar * theme,const gchar * font)62 metacity_theme_apply(const gchar *theme, const gchar *font)
63 {
64 /* set theme, we use gconf and gsettings binaries to avoid schemas and versions issues */
65 if (is_program_in_path ("gconftool-2"))
66 {
67 gchar *gconf_cmd = NULL;
68
69 gconf_cmd = g_strdup_printf("gconftool-2 --set --type string /apps/metacity/general/theme '%s'", theme);
70 g_spawn_command_line_async (gconf_cmd, NULL);
71 g_free (gconf_cmd);
72
73 gconf_cmd = g_strdup_printf("gconftool-2 --set --type string /apps/metacity/general/titlebar_font '%s'", font);
74 g_spawn_command_line_async (gconf_cmd, NULL);
75 g_free (gconf_cmd);
76 }
77
78 if (is_program_in_path ("gsettings"))
79 {
80 gchar *gsettings_cmd = NULL;
81
82 /* for GNOME3 */
83 gsettings_cmd = g_strdup_printf("gsettings set org.gnome.desktop.wm.preferences theme '%s'", theme);
84 g_spawn_command_line_async (gsettings_cmd, NULL);
85 g_free (gsettings_cmd);
86
87 gsettings_cmd = g_strdup_printf("gsettings set org.gnome.desktop.wm.preferences titlebar-font '%s'", font);
88 g_spawn_command_line_async (gsettings_cmd, NULL);
89 g_free (gsettings_cmd);
90
91 /* for metacity >= 3.16 */
92 gsettings_cmd = g_strdup_printf("gsettings set org.gnome.metacity theme '%s'", theme);
93 g_spawn_command_line_async (gsettings_cmd, NULL);
94 g_free (gsettings_cmd);
95
96 /* for metacity >= 3.20 */
97 gsettings_cmd = g_strdup_printf("gsettings set org.gnome.metacity.theme name '%s'", theme);
98 g_spawn_command_line_async (gsettings_cmd, NULL);
99 g_free (gsettings_cmd);
100 }
101 }
102
103 static void
marco_theme_changed(GSettings * settings,gchar * key,AppearanceData * data)104 marco_theme_changed(GSettings *settings, gchar *key, AppearanceData* data)
105 {
106 gchar *theme = NULL;
107 gchar *font = NULL;
108 if (metacity_is_running ())
109 {
110 theme = g_settings_get_string (settings, MARCO_THEME_KEY);
111 font = g_settings_get_string (settings, WINDOW_TITLE_FONT_KEY);
112 metacity_theme_apply (theme, font);
113 g_free (theme);
114 g_free (font);
115 }
116 }
117
118 void
support_init(AppearanceData * data)119 support_init(AppearanceData* data)
120 {
121 /* needed for wm_common_get_current_window_manager() */
122 wm_common_update_window ();
123 /* GSettings signals */
124 g_signal_connect (data->marco_settings, "changed::" MARCO_THEME_KEY,
125 G_CALLBACK (marco_theme_changed), data);
126 g_signal_connect (data->marco_settings, "changed::" WINDOW_TITLE_FONT_KEY,
127 G_CALLBACK (marco_theme_changed), data);
128 /* apply theme at start */
129 if (metacity_is_running ())
130 marco_theme_changed (data->marco_settings, NULL, data);
131 }
132
133 void
support_shutdown(AppearanceData * data)134 support_shutdown(AppearanceData* data)
135 {
136 /* nothing to do */
137 }
138