10 #define GRAB_PTR_MASK (ButtonPressMask | ButtonReleaseMask | PointerMotionMask)
11 #define GRAB_KEY_MASK (KeyPressMask | KeyReleaseMask)
13 #define MASK_LIST_SIZE 8
15 /*! A list of all possible combinations of keyboard lock masks */
16 static unsigned int mask_list[MASK_LIST_SIZE];
18 gboolean grab_keyboard(gboolean grab)
20 static guint kgrabs = 0;
25 ret = XGrabKeyboard(ob_display, RootWindow(ob_display, ob_screen),
26 FALSE, GrabModeAsync, GrabModeAsync,
27 event_lasttime) == Success;
30 } else if (kgrabs > 0) {
32 XUngrabKeyboard(ob_display, event_lasttime);
39 gboolean grab_pointer(gboolean grab, ObCursor cur)
41 static guint pgrabs = 0;
46 ret = XGrabPointer(ob_display, screen_support_win,
47 False, GRAB_PTR_MASK, GrabModeAsync,
49 ob_cursor(cur), event_lasttime) == Success;
52 } else if (pgrabs > 0) {
54 XUngrabPointer(ob_display, event_lasttime);
60 gboolean grab_pointer_window(gboolean grab, ObCursor cur, Window win)
62 static guint pgrabs = 0;
67 ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
68 GrabModeAsync, GrabModeAsync, TRUE,
70 event_lasttime) == Success;
73 } else if (pgrabs > 0) {
75 XUngrabPointer(ob_display, event_lasttime);
81 gint grab_server(gboolean grab)
83 static guint sgrabs = 0;
86 XGrabServer(ob_display);
87 XSync(ob_display, FALSE);
89 } else if (sgrabs > 0) {
91 XUngrabServer(ob_display);
98 void grab_startup(gboolean reconfig)
102 if (reconfig) return;
105 mask_list[i++] = LockMask;
106 mask_list[i++] = NumLockMask;
107 mask_list[i++] = LockMask | NumLockMask;
108 mask_list[i++] = ScrollLockMask;
109 mask_list[i++] = ScrollLockMask | LockMask;
110 mask_list[i++] = ScrollLockMask | NumLockMask;
111 mask_list[i++] = ScrollLockMask | LockMask | NumLockMask;
112 g_assert(i == MASK_LIST_SIZE);
115 void grab_shutdown(gboolean reconfig)
117 if (reconfig) return;
119 while (grab_keyboard(FALSE));
120 while (grab_pointer(FALSE, OB_CURSOR_NONE));
121 while (grab_pointer_window(FALSE, OB_CURSOR_NONE, None));
122 while (grab_server(FALSE));
125 void grab_button_full(guint button, guint state, Window win, guint mask,
126 int pointer_mode, ObCursor cur)
130 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
131 xerror_occured = FALSE;
132 for (i = 0; i < MASK_LIST_SIZE; ++i)
133 XGrabButton(ob_display, button, state | mask_list[i], win, FALSE, mask,
134 pointer_mode, GrabModeSync, None, ob_cursor(cur));
135 xerror_set_ignore(FALSE);
137 g_warning("failed to grab button %d modifiers %d", button, state);
140 void grab_button(guint button, guint state, Window win, guint mask)
142 grab_button_full(button, state, win, mask, GrabModeAsync, OB_CURSOR_NONE);
145 void ungrab_button(guint button, guint state, Window win)
149 for (i = 0; i < MASK_LIST_SIZE; ++i)
150 XUngrabButton(ob_display, button, state | mask_list[i], win);
153 void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
157 xerror_set_ignore(TRUE); /* can get BadAccess' from these */
158 xerror_occured = FALSE;
159 for (i = 0; i < MASK_LIST_SIZE; ++i)
160 XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
161 GrabModeAsync, keyboard_mode);
162 xerror_set_ignore(FALSE);
164 g_warning("failed to grab keycode %d modifiers %d", keycode, state);
167 void ungrab_all_keys(Window win)
169 XUngrabKey(ob_display, AnyKey, AnyModifier, win);