count the EnterNotify events and tell openbox to ignore them when ungrabbing the...

[chaz/openbox] / openbox / grab.c

diff --git a/openbox/grab.c b/openbox/grab.c
index 1737476686bf459533a8c7562b3031e209b501be..9c6065a745fb92b980f953558bc76a7a8b098241 100644 (file)
--- a/openbox/grab.c
+++ b/openbox/grab.c
@@ -1,6 +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>
@@ -12,10 +32,21 @@
 
 /*! 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) {
@@ -36,20 +67,49 @@ 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),
+            ret = XGrabPointer(ob_display, screen_support_win,
                                False, GRAB_PTR_MASK, GrabModeAsync,
                                GrabModeAsync, FALSE,
                                ob_cursor(cur), event_lasttime) == Success;
         else
             ret = TRUE;
     } else if (pgrabs > 0) {
-        if (--pgrabs == 0)
+        if (--pgrabs == 0) {
             XUngrabPointer(ob_display, event_lasttime);
+
+            /* ignore all enter events caused by ungrabbing the pointer */
+            {
+                GSList *saved = NULL, *it;
+                XEvent *e;
+                guint n = 0;
+                
+                XSync(ob_display, FALSE);
+
+                /* count the events */
+                while (TRUE) {
+                    e = g_new(XEvent, 1);
+                    if (XCheckTypedEvent(ob_display, EnterNotify, e)) {
+                        saved = g_slist_append(saved, e);
+                        ++n;
+                    } else {
+                        g_free(e);
+                        break;
+                    }
+                }
+                /* put the events back */
+                for (it = saved; it; it = g_slist_next(it)) {
+                    XPutBackEvent(ob_display, it->data);
+                    g_free(it->data);
+                }
+                g_slist_free(saved);
+                /* ignore the events */
+                event_ignore_enter_focus(n);
+            }
+        }
         ret = TRUE;
     }
     return ret;
@@ -57,7 +117,6 @@ 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) {
@@ -76,7 +135,7 @@ gboolean grab_pointer_window(gboolean grab, ObCursor cur, Window win)
     return ret;
 }
 
-int grab_server(gboolean grab)
+gint grab_server(gboolean grab)
 {
     static guint sgrabs = 0;
     if (grab) {
@@ -93,10 +152,12 @@ int grab_server(gboolean grab)
     return sgrabs;
 }
 
-void grab_startup()
+void grab_startup(gboolean reconfig)
 {
     guint i = 0;
 
+    if (reconfig) return;
+
     mask_list[i++] = 0;
     mask_list[i++] = LockMask;
     mask_list[i++] = NumLockMask;
@@ -108,11 +169,13 @@ void grab_startup()
     g_assert(i == MASK_LIST_SIZE);
 }
 
-void grab_shutdown()
+void grab_shutdown(gboolean reconfig)
 {
+    if (reconfig) return;
+
     while (grab_keyboard(FALSE));
-    while (grab_pointer(FALSE, None));
-    while (grab_pointer_window(FALSE, None, None));
+    while (grab_pointer(FALSE, OB_CURSOR_NONE));
+    while (grab_pointer_window(FALSE, OB_CURSOR_NONE, None));
     while (grab_server(FALSE));
 }
 
@@ -133,7 +196,7 @@ void grab_button_full(guint button, guint state, Window win, guint mask,
 
 void grab_button(guint button, guint state, Window win, guint mask)
 {
-    grab_button_full(button, state, win, mask, GrabModeAsync, None);
+    grab_button_full(button, state, win, mask, GrabModeAsync, OB_CURSOR_NONE);
 }
 
 void ungrab_button(guint button, guint state, Window win)
@@ -152,7 +215,7 @@ void grab_key(guint keycode, guint state, Window win, int keyboard_mode)
     xerror_occured = FALSE;
     for (i = 0; i < MASK_LIST_SIZE; ++i)
         XGrabKey(ob_display, keycode, state | mask_list[i], win, FALSE,
-                 GrabModeSync, keyboard_mode);
+                 GrabModeAsync, keyboard_mode);
     xerror_set_ignore(FALSE);
     if (xerror_occured)
         g_warning("failed to grab keycode %d modifiers %d", keycode, state);