]> Dogcows Code - chaz/openbox/blob - openbox/client_list_menu.c
make the client list menu update properly and not crash
[chaz/openbox] / openbox / client_list_menu.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3 client_list_menu.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
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 See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "openbox.h"
21 #include "menu.h"
22 #include "menuframe.h"
23 #include "action.h"
24 #include "screen.h"
25 #include "client.h"
26 #include "focus.h"
27 #include "config.h"
28 #include "gettext.h"
29
30 #include <glib.h>
31
32 #define MENU_NAME "client-list-menu"
33
34 static GSList *desktop_menus;
35
36 typedef struct
37 {
38 guint desktop;
39 } DesktopData;
40
41 static gboolean desk_menu_update(ObMenuFrame *frame, gpointer data)
42 {
43 ObMenu *menu = frame->menu;
44 DesktopData *d = data;
45 GList *it;
46 gint i;
47 gboolean empty = TRUE;
48 gboolean onlyiconic = TRUE;
49
50 menu_clear_entries(menu);
51
52 for (it = focus_order, i = 0; it; it = g_list_next(it), ++i) {
53 ObClient *c = it->data;
54 if (client_normal(c) && (!c->skip_taskbar || c->iconic) &&
55 (c->desktop == d->desktop || c->desktop == DESKTOP_ALL))
56 {
57 GSList *acts = NULL;
58 ObAction* act;
59 ObMenuEntry *e;
60 const ObClientIcon *icon;
61
62 empty = FALSE;
63
64 act = action_from_string("Activate",
65 OB_USER_ACTION_MENU_SELECTION);
66 act->data.activate.any.c = c;
67 acts = g_slist_append(acts, act);
68 act = action_from_string("Desktop",
69 OB_USER_ACTION_MENU_SELECTION);
70 act->data.desktop.desk = d->desktop;
71 acts = g_slist_append(acts, act);
72
73 if (c->iconic) {
74 gchar *title = g_strdup_printf("(%s)", c->icon_title);
75 e = menu_add_normal(menu, i, title, acts, FALSE);
76 g_free(title);
77 } else {
78 onlyiconic = FALSE;
79 e = menu_add_normal(menu, i, c->title, acts, FALSE);
80 }
81
82 if (config_menu_client_list_icons
83 && (icon = client_icon(c, 32, 32))) {
84 e->data.normal.icon_width = icon->width;
85 e->data.normal.icon_height = icon->height;
86 e->data.normal.icon_data = icon->data;
87 }
88 }
89 }
90
91 if (empty || onlyiconic) {
92 /* no entries or only iconified windows, so add a
93 * way to go to this desktop without uniconifying a window */
94 if (!empty)
95 menu_add_separator(menu, -1, NULL);
96
97 GSList *acts = NULL;
98 ObAction* act;
99 ObMenuEntry *e;
100
101 act = action_from_string("Desktop", OB_USER_ACTION_MENU_SELECTION);
102 act->data.desktop.desk = d->desktop;
103 acts = g_slist_append(acts, act);
104 e = menu_add_normal(menu, 0, _("Go there..."), acts, TRUE);
105 if (d->desktop == screen_desktop)
106 e->data.normal.enabled = FALSE;
107 }
108 return TRUE; /* always show */
109 }
110
111 /* executes it using the client in the actions, since we set that
112 when we make the actions! */
113 static void desk_menu_execute(ObMenuEntry *self, ObMenuFrame *f,
114 ObClient *c, guint state, gpointer data,
115 Time time)
116 {
117 ObAction *a;
118
119 if (self->data.normal.actions) {
120 a = self->data.normal.actions->data;
121 action_run(self->data.normal.actions, a->data.any.c, state, time);
122 }
123 }
124
125 static void desk_menu_destroy(ObMenu *menu, gpointer data)
126 {
127 DesktopData *d = data;
128
129 g_free(d);
130
131 desktop_menus = g_slist_remove(desktop_menus, menu);
132 }
133
134 static gboolean self_update(ObMenuFrame *frame, gpointer data)
135 {
136 ObMenu *menu = frame->menu;
137 guint i;
138 GSList *it, *next;
139
140 menu_clear_entries(menu);
141
142 while (desktop_menus) {
143 menu_free(desktop_menus->data);
144 desktop_menus = g_slist_delete_link(desktop_menus, desktop_menus);
145 }
146
147 for (i = 0; i < screen_num_desktops; ++i) {
148 ObMenu *submenu;
149 gchar *name = g_strdup_printf("%s-%u", MENU_NAME, i);
150 DesktopData *data = g_new(DesktopData, 1);
151
152 data->desktop = i;
153 submenu = menu_new(name, screen_desktop_names[i], FALSE, data);
154 menu_set_update_func(submenu, desk_menu_update);
155 menu_set_execute_func(submenu, desk_menu_execute);
156 menu_set_destroy_func(submenu, desk_menu_destroy);
157
158 menu_add_submenu(menu, i, name);
159
160 g_free(name);
161
162 desktop_menus = g_slist_append(desktop_menus, submenu);
163 }
164
165 return TRUE; /* always show */
166 }
167
168 static void client_dest(ObClient *client, gpointer data)
169 {
170 /* This concise function removes all references to a closed
171 * client in the client_list_menu, so we don't have to check
172 * in client.c */
173 GSList *it;
174 for (it = desktop_menus; it; it = g_slist_next(it)) {
175 ObMenu *mit = it->data;
176 GList *eit;
177 for (eit = mit->entries; eit; eit = g_list_next(eit)) {
178 ObMenuEntry *meit = eit->data;
179 if (meit->type == OB_MENU_ENTRY_TYPE_NORMAL) {
180 ObAction *a = meit->data.normal.actions->data;
181 ObClient *c = a->data.any.c;
182 if (c == client)
183 a->data.any.c = NULL;
184 }
185 }
186 }
187 }
188
189 void client_list_menu_startup(gboolean reconfig)
190 {
191 ObMenu *menu;
192
193 if (!reconfig)
194 client_add_destroy_notify(client_dest, NULL);
195
196 menu = menu_new(MENU_NAME, _("Desktops"), TRUE, NULL);
197 menu_set_update_func(menu, self_update);
198 }
199
200 void client_list_menu_shutdown(gboolean reconfig)
201 {
202 if (!reconfig)
203 client_remove_destroy_notify(client_dest);
204 }
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