X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fgrab.c;h=991956da622b291e9ab4a05f5a02a10f086a9de5;hb=58be283e94c062377c86e23beb4d3ac51dc57fb8;hp=1e2f207bdc167132b53981c2b6106c0993ee7ce8;hpb=fcdcd0fab4141d2d8bc1c156096ac5dbedbeaf61;p=chaz%2Fopenbox

diff --git a/openbox/grab.c b/openbox/grab.c
index 1e2f207b..991956da 100644
--- a/openbox/grab.c
+++ b/openbox/grab.c
@@ -1,7 +1,27 @@
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+   grab.c for the Openbox window manager
+   Copyright (c) 2006        Mikael Magnusson
+   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>
@@ -12,23 +32,49 @@
 #define MASK_LIST_SIZE 8
 
 /*! A list of all possible combinations of keyboard lock masks */
-static unsigned int mask_list[MASK_LIST_SIZE];
+static guint mask_list[MASK_LIST_SIZE];
+static guint kgrabs = 0;
+static guint pgrabs = 0;
+/*! The time at which the last grab was made */
+static Time  grab_time = CurrentTime;
+
+static Time ungrab_time()
+{
+    Time t = event_curtime;
+    if (!(t == 0 || event_time_after(t, grab_time)))
+        t = grab_time;
+    return t;
+}
+
+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
+                                event_curtime) == Success;
+            if (!ret)
+                --kgrabs;
+            else
+                grab_time = event_curtime;
+        } else
             ret = TRUE;
     } else if (kgrabs > 0) {
-        if (--kgrabs == 0)
-            XUngrabKeyboard(ob_display, event_lasttime);
+        if (--kgrabs == 0) {
+            XUngrabKeyboard(ob_display, ungrab_time());
+        }
         ret = TRUE;
     }
 
@@ -37,20 +83,24 @@ 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
+                               GrabModeAsync, None,
+                               ob_cursor(cur), event_curtime) == Success;
+            if (!ret)
+                --pgrabs;
+            else
+                grab_time = event_curtime;
+        } else
             ret = TRUE;
     } else if (pgrabs > 0) {
-        if (--pgrabs == 0)
-            XUngrabPointer(ob_display, event_lasttime);
+        if (--pgrabs == 0) {
+            XUngrabPointer(ob_display, ungrab_time());
+        }
         ret = TRUE;
     }
     return ret;
@@ -58,20 +108,24 @@ 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,
+                               GrabModeAsync, GrabModeAsync, None,
                                ob_cursor(cur),
-                               event_lasttime) == Success;
-        else
+                               event_curtime) == Success;
+            if (!ret)
+                --pgrabs;
+            else
+                grab_time = event_curtime;
+        } else
             ret = TRUE;
     } else if (pgrabs > 0) {
-        if (--pgrabs == 0)
-            XUngrabPointer(ob_display, event_lasttime);
+        if (--pgrabs == 0) {
+            XUngrabPointer(ob_display, ungrab_time());
+        }
         ret = TRUE;
     }
     return ret;
@@ -122,7 +176,7 @@ void grab_shutdown(gboolean reconfig)
 }
 
 void grab_button_full(guint button, guint state, Window win, guint mask,
-                      int pointer_mode, ObCursor cur)
+                      gint pointer_mode, ObCursor cur)
 {
     guint i;
 
@@ -149,7 +203,7 @@ void ungrab_button(guint button, guint state, Window win)
         XUngrabButton(ob_display, button, state | mask_list[i], win);
 }
 
-void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
+void grab_key(guint keycode, guint state, Window win, gint keyboard_mode)
 {
     guint i;