1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 grab.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003 Ben Jansens
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.
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.
17 See the COPYING file for a copy of the GNU General Public License.
29 #define GRAB_PTR_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
30 #define GRAB_KEY_MASK (KeyPressMask | KeyReleaseMask)
32 #define MASK_LIST_SIZE 8
34 /*! A list of all possible combinations of keyboard lock masks */
35 static guint mask_list[MASK_LIST_SIZE];
36 static guint kgrabs = 0;
37 static guint pgrabs = 0;
39 gboolean grab_on_keyboard()
44 gboolean grab_on_pointer()
49 gboolean grab_keyboard(gboolean grab)
55 ret = XGrabKeyboard(ob_display, RootWindow(ob_display, ob_screen),
56 FALSE, GrabModeAsync, GrabModeAsync,
57 event_curtime) == Success;
62 } else if (kgrabs > 0) {
64 XUngrabKeyboard(ob_display, event_curtime);
71 gboolean grab_pointer(gboolean grab, ObCursor cur)
77 ret = XGrabPointer(ob_display, screen_support_win,
78 False, GRAB_PTR_MASK, GrabModeAsync,
80 ob_cursor(cur), event_curtime) == Success;
85 } else if (pgrabs > 0) {
87 XUngrabPointer(ob_display, event_curtime);
94 gboolean grab_pointer_window(gboolean grab, ObCursor cur, Window win)
100 ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
101 GrabModeAsync, GrabModeAsync, None,
103 event_curtime) == Success;
108 } else if (pgrabs > 0) {
110 XUngrabPointer(ob_display, event_curtime);
117 gint grab_server(gboolean grab)
119 static guint sgrabs = 0;
122 XGrabServer(ob_display);
123 XSync(ob_display, FALSE);
125 } else if (sgrabs > 0) {
127 XUngrabServer(ob_display);
134 void grab_startup(gboolean reconfig)
138 if (reconfig) return;
141 mask_list[i++] = LockMask;
142 mask_list[i++] = NumLockMask;
143 mask_list[i++] = LockMask | NumLockMask;
144 mask_list[i++] = ScrollLockMask;
145 mask_list[i++] = ScrollLockMask | LockMask;
146 mask_list[i++] = ScrollLockMask | NumLockMask;
147 mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
148 g_assert(i == MASK_LIST_SIZE);
151 void grab_shutdown(gboolean reconfig)
153 if (reconfig) return;
155 while (grab_keyboard(FALSE));
156 while (grab_pointer(FALSE, OB_CURSOR_NONE));
157 while (grab_pointer_window(FALSE, OB_CURSOR_NONE, None));
158 while (grab_server(FALSE));
161 void grab_button_full(guint button, guint state, Window win, guint mask,
162 gint pointer_mode, ObCursor cur)
166 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
167 xerror_occured = FALSE;
168 for (i = 0; i < MASK_LIST_SIZE; ++i)
169 XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
170 pointer_mode, GrabModeSync, None, ob_cursor(cur));
171 xerror_set_ignore(FALSE);
173 g_warning("failed to grab button %d modifiers %d", button, state);
176 void grab_button(guint button, guint state, Window win, guint mask)
178 grab_button_full(button, state, win, mask, GrabModeAsync, OB_CURSOR_NONE);
181 void ungrab_button(guint button, guint state, Window win)
185 for (i = 0; i < MASK_LIST_SIZE; ++i)
186 XUngrabButton(ob_display, button, state | mask_list[i], win);
189 void grab_key(guint keycode, guint state, Window win, gint keyboard_mode)
193 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
194 xerror_occured = FALSE;
195 for (i = 0; i < MASK_LIST_SIZE; ++i)
196 XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
197 GrabModeAsync, keyboard_mode);
198 xerror_set_ignore(FALSE);
200 g_warning("failed to grab keycode %d modifiers %d", keycode, state);
203 void ungrab_all_keys(Window win)
205 XUngrabKey(ob_display, AnyKey, AnyModifier, win);