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, RootWindow(ob_display, ob_screen),
24 FALSE, GrabModeAsync, GrabModeAsync,
25 event_lasttime) == Success;
28 } else if (kgrabs > 0) {
30 XUngrabKeyboard(ob_display, event_lasttime);
36 gboolean grab_pointer(gboolean grab, ObCursor cur)
38 static guint pgrabs = 0;
43 ret = XGrabPointer(ob_display, RootWindow(ob_display, ob_screen),
44 False, GRAB_PTR_MASK, GrabModeAsync,
46 ob_cursor(cur), event_lasttime) == Success;
49 } else if (pgrabs > 0) {
51 XUngrabPointer(ob_display, event_lasttime);
57 gboolean grab_pointer_window(gboolean grab, ObCursor cur, Window win)
59 static guint pgrabs = 0;
64 ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
65 GrabModeAsync, GrabModeAsync, TRUE,
67 event_lasttime) == Success;
70 } else if (pgrabs > 0) {
72 XUngrabPointer(ob_display, event_lasttime);
78 int grab_server(gboolean grab)
80 static guint sgrabs = 0;
83 XGrabServer(ob_display);
84 XSync(ob_display, FALSE);
86 } else if (sgrabs > 0) {
88 XUngrabServer(ob_display);
100 mask_list[i++] = LockMask;
101 mask_list[i++] = NumLockMask;
102 mask_list[i++] = LockMask | NumLockMask;
103 mask_list[i++] = ScrollLockMask;
104 mask_list[i++] = ScrollLockMask | LockMask;
105 mask_list[i++] = ScrollLockMask | NumLockMask;
106 mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
107 g_assert(i == MASK_LIST_SIZE);
112 while (grab_keyboard(FALSE));
113 while (grab_pointer(FALSE, None));
114 while (grab_pointer_window(FALSE, None, None));
115 while (grab_server(FALSE));
118 void grab_button_full(guint button, guint state, Window win, guint mask,
119 int pointer_mode, ObCursor cur)
123 for (i = 0; i < MASK_LIST_SIZE; ++i)
124 XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
125 pointer_mode, GrabModeSync, None, ob_cursor(cur));
128 void grab_button(guint button, guint state, Window win, guint mask)
130 grab_button_full(button, state, win, mask, GrabModeAsync, None);
133 void ungrab_button(guint button, guint state, Window win)
137 for (i = 0; i < MASK_LIST_SIZE; ++i)
138 XUngrabButton(ob_display, button, state | mask_list[i], win);
141 void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
145 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
146 xerror_occured = FALSE;
147 for (i = 0; i < MASK_LIST_SIZE; ++i)
148 XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
149 GrabModeSync, keyboard_mode);
150 xerror_set_ignore(FALSE);
152 g_warning("failed to grab keycode %d modifiers %d", keycode, state);
155 void ungrab_all_keys(Window win)
157 XUngrabKey(ob_display, AnyKey, AnyModifier, win);