8 #define GRAB_PTR_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
9 #define GRAB_KEY_MASK (KeyPressMask | KeyReleaseMask)
11 #define MASK_LIST_SIZE 8
13 /*! A list of all possible combinations of keyboard lock masks */
14 static unsigned int mask_list[MASK_LIST_SIZE];
16 gboolean grab_keyboard(gboolean grab)
18 static guint kgrabs = 0;
23 ret = XGrabKeyboard(ob_display, ob_root, FALSE, GrabModeAsync,
24 GrabModeAsync, event_lasttime) == Success;
27 } else if (kgrabs > 0) {
29 XUngrabKeyboard(ob_display, event_lasttime);
35 gboolean grab_pointer(gboolean grab, Cursor cur)
37 static guint pgrabs = 0;
42 ret = XGrabPointer(ob_display, ob_root, False, GRAB_PTR_MASK,
43 GrabModeAsync, GrabModeAsync, FALSE, cur,
44 event_lasttime) == Success;
47 } else if (pgrabs > 0) {
49 XUngrabPointer(ob_display, event_lasttime);
55 gboolean grab_pointer_window(gboolean grab, Cursor cur, Window win)
57 static guint pgrabs = 0;
62 ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
63 GrabModeAsync, GrabModeAsync, TRUE, cur,
64 event_lasttime) == Success;
67 } else if (pgrabs > 0) {
69 XUngrabPointer(ob_display, event_lasttime);
75 int grab_server(gboolean grab)
77 static guint sgrabs = 0;
80 XGrabServer(ob_display);
81 XSync(ob_display, FALSE);
83 } else if (sgrabs > 0) {
85 XUngrabServer(ob_display);
97 mask_list[i++] = LockMask;
98 mask_list[i++] = NumLockMask;
99 mask_list[i++] = LockMask | NumLockMask;
100 mask_list[i++] = ScrollLockMask;
101 mask_list[i++] = ScrollLockMask | LockMask;
102 mask_list[i++] = ScrollLockMask | NumLockMask;
103 mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
104 g_assert(i == MASK_LIST_SIZE);
109 while (grab_keyboard(FALSE));
110 while (grab_pointer(FALSE, None));
111 while (grab_pointer_window(FALSE, None, None));
112 while (grab_server(FALSE));
115 void grab_button_full(guint button, guint state, Window win, guint mask,
116 int pointer_mode, Cursor cursor)
120 for (i = 0; i < MASK_LIST_SIZE; ++i)
121 XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
122 pointer_mode, GrabModeSync, None, cursor);
125 void grab_button(guint button, guint state, Window win, guint mask)
127 grab_button_full(button, state, win, mask, GrabModeAsync, None);
130 void ungrab_button(guint button, guint state, Window win)
134 for (i = 0; i < MASK_LIST_SIZE; ++i)
135 XUngrabButton(ob_display, button, state | mask_list[i], win);
138 void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
142 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
143 xerror_occured = FALSE;
144 for (i = 0; i < MASK_LIST_SIZE; ++i)
145 XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
146 GrabModeSync, keyboard_mode);
147 xerror_set_ignore(FALSE);
149 g_warning("failed to grab keycode %d modifiers %d", keycode, state);
152 void ungrab_all_keys(Window win)
154 XUngrabKey(ob_display, AnyKey, AnyModifier, win);