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);
34 gboolean grab_pointer(gboolean grab, Cursor cur)
36 static guint pgrabs = 0;
41 ret = XGrabPointer(ob_display, ob_root, False, GRAB_PTR_MASK,
42 GrabModeAsync, GrabModeAsync, FALSE, cur,
43 event_lasttime) == Success;
46 } else if (pgrabs > 0) {
48 XUngrabPointer(ob_display, event_lasttime);
53 gboolean grab_pointer_window(gboolean grab, Cursor cur, Window win)
55 static guint pgrabs = 0;
60 ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
61 GrabModeAsync, GrabModeAsync, TRUE, cur,
62 event_lasttime) == Success;
65 } else if (pgrabs > 0) {
67 XUngrabPointer(ob_display, event_lasttime);
72 int grab_server(gboolean grab)
74 static guint sgrabs = 0;
77 XGrabServer(ob_display);
78 XSync(ob_display, FALSE);
80 } else if (sgrabs > 0) {
82 XUngrabServer(ob_display);
94 mask_list[i++] = LockMask;
95 mask_list[i++] = NumLockMask;
96 mask_list[i++] = LockMask | NumLockMask;
97 mask_list[i++] = ScrollLockMask;
98 mask_list[i++] = ScrollLockMask | LockMask;
99 mask_list[i++] = ScrollLockMask | NumLockMask;
100 mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
101 g_assert(i == MASK_LIST_SIZE);
106 while (grab_keyboard(FALSE));
107 while (grab_pointer(FALSE, None));
108 while (grab_pointer_window(FALSE, None, None));
109 while (grab_server(FALSE));
112 void grab_button_full(guint button, guint state, Window win, guint mask,
113 int pointer_mode, Cursor cursor)
117 for (i = 0; i < MASK_LIST_SIZE; ++i)
118 XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
119 pointer_mode, GrabModeSync, None, cursor);
122 void grab_button(guint button, guint state, Window win, guint mask)
124 grab_button_full(button, state, win, mask, GrabModeAsync, None);
127 void ungrab_button(guint button, guint state, Window win)
131 for (i = 0; i < MASK_LIST_SIZE; ++i)
132 XUngrabButton(ob_display, button, state | mask_list[i], win);
135 void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
139 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
140 xerror_occured = FALSE;
141 for (i = 0; i < MASK_LIST_SIZE; ++i)
142 XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
143 GrabModeSync, keyboard_mode);
144 xerror_set_ignore(FALSE);
146 g_warning("failed to grab keycode %d modifiers %d", keycode, state);
149 void ungrab_all_keys(Window win)
151 XUngrabKey(ob_display, AnyKey, AnyModifier, win);