perhaps fix problems of being left in menus without being able to control openbox

[chaz/openbox] / openbox / grab.c

diff --git a/openbox/grab.c b/openbox/grab.c
index 1e2f207bdc167132b53981c2b6106c0993ee7ce8..e2784a2d3d578a46e235b07121fad6df33a3ebf3 100644 (file)
--- a/openbox/grab.c
+++ b/openbox/grab.c
@@ -1,7 +1,26 @@
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+   grab.c for the Openbox window manager
+   Copyright (c) 2003        Ben Jansens
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   See the COPYING file for a copy of the GNU General Public License.
+*/
+
 #include "grab.h"
 #include "openbox.h"
 #include "event.h"
 #include "xerror.h"
+#include "screen.h"
 
 #include <glib.h>
 #include <X11/Xlib.h>
@@ -13,18 +32,31 @@
 
 /*! A list of all possible combinations of keyboard lock masks */
 static unsigned int mask_list[MASK_LIST_SIZE];
+static guint kgrabs = 0;
+static guint pgrabs = 0;
+
+gboolean grab_on_keyboard()
+{
+    return kgrabs > 0;
+}
+
+gboolean grab_on_pointer()
+{
+    return pgrabs > 0;
+}
 
 gboolean grab_keyboard(gboolean grab)
 {
-    static guint kgrabs = 0;
     gboolean ret = FALSE;
 
     if (grab) {
-        if (kgrabs++ == 0)
+        if (kgrabs++ == 0) {
             ret = XGrabKeyboard(ob_display, RootWindow(ob_display, ob_screen),
                                 FALSE, GrabModeAsync, GrabModeAsync,
                                 event_lasttime) == Success;
-        else
+            if (!ret)
+                --kgrabs;
+        } else
             ret = TRUE;
     } else if (kgrabs > 0) {
         if (--kgrabs == 0)
@@ -37,20 +69,22 @@ gboolean grab_keyboard(gboolean grab)
 
 gboolean grab_pointer(gboolean grab, ObCursor cur)
 {
-    static guint pgrabs = 0;
     gboolean ret = FALSE;
 
     if (grab) {
-        if (pgrabs++ == 0)
-            ret = XGrabPointer(ob_display, RootWindow(ob_display, ob_screen),
+        if (pgrabs++ == 0) {
+            ret = XGrabPointer(ob_display, screen_support_win,
                                False, GRAB_PTR_MASK, GrabModeAsync,
                                GrabModeAsync, FALSE,
                                ob_cursor(cur), event_lasttime) == Success;
-        else
+            if (!ret)
+                --pgrabs;
+        } else
             ret = TRUE;
     } else if (pgrabs > 0) {
-        if (--pgrabs == 0)
+        if (--pgrabs == 0) {
             XUngrabPointer(ob_display, event_lasttime);
+        }
         ret = TRUE;
     }
     return ret;
@@ -58,20 +92,22 @@ gboolean grab_pointer(gboolean grab, ObCursor cur)
 
 gboolean grab_pointer_window(gboolean grab, ObCursor cur, Window win)
 {
-    static guint pgrabs = 0;
     gboolean ret = FALSE;
 
     if (grab) {
-        if (pgrabs++ == 0)
+        if (pgrabs++ == 0) {
             ret = XGrabPointer(ob_display, win, False, GRAB_PTR_MASK,
                                GrabModeAsync, GrabModeAsync, TRUE,
                                ob_cursor(cur),
                                event_lasttime) == Success;
-        else
+            if (!ret)
+                --pgrabs;
+        } else
             ret = TRUE;
     } else if (pgrabs > 0) {
-        if (--pgrabs == 0)
+        if (--pgrabs == 0) {
             XUngrabPointer(ob_display, event_lasttime);
+        }
         ret = TRUE;
     }
     return ret;