1 files changed, 0 insertions, 672 deletions
diff --git a/src/gs-grab-x11.c.orig b/src/gs-grab-x11.c.orig
deleted file mode 100644
index e6e7f22..0000000
--- a/src/gs-grab-x11.c.orig
+++ /dev/null
@@ -1,672 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
- *
- * Copyright (C) 2004-2006 William Jon McCann <[email protected]>
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- *
- * Authors: William Jon McCann <[email protected]>
- *
- */
-
-#include "config.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <gtk/gtk.h>
-
-#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
-# include <X11/extensions/xf86misc.h>
-#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
-
-#include "gs-window.h"
-#include "gs-grab.h"
-#include "gs-debug.h"
-
-static void gs_grab_class_init (GSGrabClass *klass);
-static void gs_grab_init (GSGrab *grab);
-static void gs_grab_finalize (GObject *object);
-
-#define GS_GRAB_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GS_TYPE_GRAB, GSGrabPrivate))
-
-G_DEFINE_TYPE (GSGrab, gs_grab, G_TYPE_OBJECT)
-
-static gpointer grab_object = NULL;
-
-struct GSGrabPrivate
-{
- guint mouse_hide_cursor : 1;
- GdkWindow *mouse_grab_window;
- GdkWindow *keyboard_grab_window;
- GdkScreen *mouse_grab_screen;
- GdkScreen *keyboard_grab_screen;
-
- GtkWidget *invisible;
-};
-
-static GdkCursor *
-get_cursor (void)
-{
- GdkBitmap *empty_bitmap;
- GdkCursor *cursor;
- GdkColor useless;
- char invisible_cursor_bits [] = { 0x0 };
-
- useless.red = useless.green = useless.blue = 0;
- useless.pixel = 0;
-
- empty_bitmap = gdk_bitmap_create_from_data (NULL,
- invisible_cursor_bits,
- 1, 1);
-
- cursor = gdk_cursor_new_from_pixmap (empty_bitmap,
- empty_bitmap,
- &useless,
- &useless, 0, 0);
-
- g_object_unref (empty_bitmap);
-
- return cursor;
-}
-
-static const char *
-grab_string (int status)
-{
- switch (status)
- {
- case GDK_GRAB_SUCCESS:
- return "GrabSuccess";
- case GDK_GRAB_ALREADY_GRABBED:
- return "AlreadyGrabbed";
- case GDK_GRAB_INVALID_TIME:
- return "GrabInvalidTime";
- case GDK_GRAB_NOT_VIEWABLE:
- return "GrabNotViewable";
- case GDK_GRAB_FROZEN:
- return "GrabFrozen";
- default:
- {
- static char foo [255];
- sprintf (foo, "unknown status: %d", status);
- return foo;
- }
- }
-}
-
-#ifdef HAVE_XF86MISCSETGRABKEYSSTATE
-/* This function enables and disables the Ctrl-Alt-KP_star and
- Ctrl-Alt-KP_slash hot-keys, which (in XFree86 4.2) break any
- grabs and/or kill the grabbing client. That would effectively
- unlock the screen, so we don't like that.
-
- The Ctrl-Alt-KP_star and Ctrl-Alt-KP_slash hot-keys only exist
- if AllowDeactivateGrabs and/or AllowClosedownGrabs are turned on
- in XF86Config. I believe they are disabled by default.
-
- This does not affect any other keys (specifically Ctrl-Alt-BS or
- Ctrl-Alt-F1) but I wish it did. Maybe it will someday.
- */
-static void
-xorg_lock_smasher_set_active (GSGrab *grab,
- gboolean active)
-{
- int status, event, error;
-
- if (!XF86MiscQueryExtension (GDK_DISPLAY (), &event, &error))
- {
- gs_debug ("No XFree86-Misc extension present");
- return;
- }
-
- if (active)
- {
- gs_debug ("Enabling the x.org grab smasher");
- }
- else
- {
- gs_debug ("Disabling the x.org grab smasher");
- }
-
- gdk_error_trap_push ();
-
- status = XF86MiscSetGrabKeysState (GDK_DISPLAY (), active);
-
- gdk_display_sync (gdk_display_get_default ());
- gdk_error_trap_pop ();
-
- if (active && status == MiscExtGrabStateAlready)
- {
- /* shut up, consider this success */
- status = MiscExtGrabStateSuccess;
- }
-
- gs_debug ("XF86MiscSetGrabKeysState(%s) returned %s\n",
- active ? "on" : "off",
- (status == MiscExtGrabStateSuccess ? "MiscExtGrabStateSuccess" :
- status == MiscExtGrabStateLocked ? "MiscExtGrabStateLocked" :
- status == MiscExtGrabStateAlready ? "MiscExtGrabStateAlready" :
- "unknown value"));
-}
-#else
-static void
-xorg_lock_smasher_set_active (GSGrab *grab,
- gboolean active)
-{
-}
-#endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
-
-static int
-gs_grab_get_keyboard (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen)
-{
- GdkGrabStatus status;
-
- g_return_val_if_fail (window != NULL, FALSE);
- g_return_val_if_fail (screen != NULL, FALSE);
-
- gs_debug ("Grabbing keyboard widget=%X", (guint32) GDK_WINDOW_XID (window));
- status = gdk_keyboard_grab (window, FALSE, GDK_CURRENT_TIME);
-
- if (status == GDK_GRAB_SUCCESS)
- {
- if (grab->priv->keyboard_grab_window != NULL)
- {
- g_object_remove_weak_pointer (G_OBJECT (grab->priv->keyboard_grab_window),
- (gpointer *) &grab->priv->keyboard_grab_window);
- }
- grab->priv->keyboard_grab_window = window;
-
- g_object_add_weak_pointer (G_OBJECT (grab->priv->keyboard_grab_window),
- (gpointer *) &grab->priv->keyboard_grab_window);
-
- grab->priv->keyboard_grab_screen = screen;
- }
- else
- {
- gs_debug ("Couldn't grab keyboard! (%s)", grab_string (status));
- }
-
- return status;
-}
-
-static int
-gs_grab_get_mouse (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen,
- gboolean hide_cursor)
-{
- GdkGrabStatus status;
- GdkCursor *cursor;
-
- g_return_val_if_fail (window != NULL, FALSE);
- g_return_val_if_fail (screen != NULL, FALSE);
-
- cursor = get_cursor ();
-
- gs_debug ("Grabbing mouse widget=%X", (guint32) GDK_WINDOW_XID (window));
- status = gdk_pointer_grab (window, TRUE, 0, NULL,
- (hide_cursor ? cursor : NULL),
- GDK_CURRENT_TIME);
-
- if (status == GDK_GRAB_SUCCESS)
- {
- if (grab->priv->mouse_grab_window != NULL)
- {
- g_object_remove_weak_pointer (G_OBJECT (grab->priv->mouse_grab_window),
- (gpointer *) &grab->priv->mouse_grab_window);
- }
- grab->priv->mouse_grab_window = window;
-
- g_object_add_weak_pointer (G_OBJECT (grab->priv->mouse_grab_window),
- (gpointer *) &grab->priv->mouse_grab_window);
-
- grab->priv->mouse_grab_screen = screen;
- grab->priv->mouse_hide_cursor = hide_cursor;
- }
-
- gdk_cursor_unref (cursor);
-
- return status;
-}
-
-void
-gs_grab_keyboard_reset (GSGrab *grab)
-{
- if (grab->priv->keyboard_grab_window != NULL)
- {
- g_object_remove_weak_pointer (G_OBJECT (grab->priv->keyboard_grab_window),
- (gpointer *) &grab->priv->keyboard_grab_window);
- }
- grab->priv->keyboard_grab_window = NULL;
- grab->priv->keyboard_grab_screen = NULL;
-}
-
-static gboolean
-gs_grab_release_keyboard (GSGrab *grab)
-{
- gs_debug ("Ungrabbing keyboard");
- gdk_keyboard_ungrab (GDK_CURRENT_TIME);
-
- gs_grab_keyboard_reset (grab);
-
- return TRUE;
-}
-
-void
-gs_grab_mouse_reset (GSGrab *grab)
-{
- if (grab->priv->mouse_grab_window != NULL)
- {
- g_object_remove_weak_pointer (G_OBJECT (grab->priv->mouse_grab_window),
- (gpointer *) &grab->priv->mouse_grab_window);
- }
-
- grab->priv->mouse_grab_window = NULL;
- grab->priv->mouse_grab_screen = NULL;
-}
-
-gboolean
-gs_grab_release_mouse (GSGrab *grab)
-{
- gs_debug ("Ungrabbing pointer");
- gdk_pointer_ungrab (GDK_CURRENT_TIME);
-
- gs_grab_mouse_reset (grab);
-
- return TRUE;
-}
-
-static gboolean
-gs_grab_move_mouse (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen,
- gboolean hide_cursor)
-{
- gboolean result;
- GdkWindow *old_window;
- GdkScreen *old_screen;
- gboolean old_hide_cursor;
-
- /* if the pointer is not grabbed and we have a
- mouse_grab_window defined then we lost the grab */
- if (! gdk_pointer_is_grabbed ())
- {
- gs_grab_mouse_reset (grab);
- }
-
- if (grab->priv->mouse_grab_window == window)
- {
- gs_debug ("Window %X is already grabbed, skipping",
- (guint32) GDK_WINDOW_XID (grab->priv->mouse_grab_window));
- return TRUE;
- }
-
-#if 0
- gs_debug ("Intentionally skipping move pointer grabs");
- /* FIXME: GTK doesn't like having the pointer grabbed */
- return TRUE;
-#else
- if (grab->priv->mouse_grab_window)
- {
- gs_debug ("Moving pointer grab from %X to %X",
- (guint32) GDK_WINDOW_XID (grab->priv->mouse_grab_window),
- (guint32) GDK_WINDOW_XID (window));
- }
- else
- {
- gs_debug ("Getting pointer grab on %X",
- (guint32) GDK_WINDOW_XID (window));
- }
-#endif
-
- gs_debug ("*** doing X server grab");
- gdk_x11_grab_server ();
-
- old_window = grab->priv->mouse_grab_window;
- old_screen = grab->priv->mouse_grab_screen;
- old_hide_cursor = grab->priv->mouse_hide_cursor;
-
- if (old_window)
- {
- gs_grab_release_mouse (grab);
- }
-
- result = gs_grab_get_mouse (grab, window, screen, hide_cursor);
-
- if (result != GDK_GRAB_SUCCESS)
- {
- sleep (1);
- result = gs_grab_get_mouse (grab, window, screen, hide_cursor);
- }
-
- if ((result != GDK_GRAB_SUCCESS) && old_window)
- {
- gs_debug ("Could not grab mouse for new window. Resuming previous grab.");
- gs_grab_get_mouse (grab, old_window, old_screen, old_hide_cursor);
- }
-
- gs_debug ("*** releasing X server grab");
- gdk_x11_ungrab_server ();
- gdk_flush ();
-
- return (result == GDK_GRAB_SUCCESS);
-}
-
-static gboolean
-gs_grab_move_keyboard (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen)
-{
- gboolean result;
- GdkWindow *old_window;
- GdkScreen *old_screen;
-
- if (grab->priv->keyboard_grab_window == window)
- {
- gs_debug ("Window %X is already grabbed, skipping",
- (guint32) GDK_WINDOW_XID (grab->priv->keyboard_grab_window));
- return TRUE;
- }
-
- if (grab->priv->keyboard_grab_window != NULL)
- {
- gs_debug ("Moving keyboard grab from %X to %X",
- (guint32) GDK_WINDOW_XID (grab->priv->keyboard_grab_window),
- (guint32) GDK_WINDOW_XID (window));
- }
- else
- {
- gs_debug ("Getting keyboard grab on %X",
- (guint32) GDK_WINDOW_XID (window));
-
- }
-
- gs_debug ("*** doing X server grab");
- gdk_x11_grab_server ();
-
- old_window = grab->priv->keyboard_grab_window;
- old_screen = grab->priv->keyboard_grab_screen;
-
- if (old_window)
- {
- gs_grab_release_keyboard (grab);
- }
-
- result = gs_grab_get_keyboard (grab, window, screen);
-
- if (result != GDK_GRAB_SUCCESS)
- {
- sleep (1);
- result = gs_grab_get_keyboard (grab, window, screen);
- }
-
- if ((result != GDK_GRAB_SUCCESS) && old_window)
- {
- gs_debug ("Could not grab keyboard for new window. Resuming previous grab.");
- gs_grab_get_keyboard (grab, old_window, old_screen);
- }
-
- gs_debug ("*** releasing X server grab");
- gdk_x11_ungrab_server ();
- gdk_flush ();
-
- return (result == GDK_GRAB_SUCCESS);
-}
-
-static void
-gs_grab_nuke_focus (void)
-{
- Window focus = 0;
- int rev = 0;
-
- gs_debug ("Nuking focus");
-
- gdk_error_trap_push ();
-
- XGetInputFocus (GDK_DISPLAY (), &focus, &rev);
-
- XSetInputFocus (GDK_DISPLAY (), None, RevertToNone, CurrentTime);
-
- gdk_display_sync (gdk_display_get_default ());
- gdk_error_trap_pop ();
-}
-
-void
-gs_grab_release (GSGrab *grab)
-{
- gs_debug ("Releasing all grabs");
-
- gs_grab_release_mouse (grab);
- gs_grab_release_keyboard (grab);
-
- /* FIXME: is it right to enable this ? */
- xorg_lock_smasher_set_active (grab, TRUE);
-
- gdk_display_sync (gdk_display_get_default ());
- gdk_flush ();
-}
-
-gboolean
-gs_grab_grab_window (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen,
- gboolean hide_cursor)
-{
- gboolean mstatus = FALSE;
- gboolean kstatus = FALSE;
- int i;
- int retries = 4;
- gboolean focus_fuckus = FALSE;
-
-AGAIN:
-
- for (i = 0; i < retries; i++)
- {
- kstatus = gs_grab_get_keyboard (grab, window, screen);
- if (kstatus == GDK_GRAB_SUCCESS)
- {
- break;
- }
-
- /* else, wait a second and try to grab again. */
- sleep (1);
- }
-
- if (kstatus != GDK_GRAB_SUCCESS)
- {
- if (!focus_fuckus)
- {
- focus_fuckus = TRUE;
- gs_grab_nuke_focus ();
- goto AGAIN;
- }
- }
-
- for (i = 0; i < retries; i++)
- {
- mstatus = gs_grab_get_mouse (grab, window, screen, hide_cursor);
- if (mstatus == GDK_GRAB_SUCCESS)
- {
- break;
- }
-
- /* else, wait a second and try to grab again. */
- sleep (1);
- }
-
- if (mstatus != GDK_GRAB_SUCCESS)
- {
- gs_debug ("Couldn't grab pointer! (%s)",
- grab_string (mstatus));
- }
-
-#if 0
- /* FIXME: release the pointer grab so GTK will work */
- gs_grab_release_mouse (grab);
-#endif
-
- /* When should we allow blanking to proceed? The current theory
- is that both a keyboard grab and a mouse grab are mandatory
-
- - If we don't have a keyboard grab, then we won't be able to
- read a password to unlock, so the kbd grab is manditory.
-
- - If we don't have a mouse grab, then we might not see mouse
- clicks as a signal to unblank, on-screen widgets won't work ideally,
- and gs_grab_move_to_window() will spin forever when it gets called.
- */
-
- if (kstatus != GDK_GRAB_SUCCESS || mstatus != GDK_GRAB_SUCCESS)
- {
- /* Do not blank without a keyboard and mouse grabs. */
-
- /* Release keyboard or mouse which was grabbed. */
- if (kstatus == GDK_GRAB_SUCCESS)
- {
- gs_grab_release_keyboard (grab);
- }
- if (mstatus == GDK_GRAB_SUCCESS)
- {
- gs_grab_release_mouse (grab);
- }
-
- return FALSE;
- }
-
- /* Grab is good, go ahead and blank. */
- return TRUE;
-}
-
-/* this is used to grab the keyboard and mouse to the root */
-gboolean
-gs_grab_grab_root (GSGrab *grab,
- gboolean hide_cursor)
-{
- GdkDisplay *display;
- GdkWindow *root;
- GdkScreen *screen;
- gboolean res;
-
- gs_debug ("Grabbing the root window");
-
- display = gdk_display_get_default ();
- gdk_display_get_pointer (display, &screen, NULL, NULL, NULL);
- root = gdk_screen_get_root_window (screen);
-
- res = gs_grab_grab_window (grab, root, screen, hide_cursor);
-
- return res;
-}
-
-/* this is used to grab the keyboard and mouse to an offscreen window */
-gboolean
-gs_grab_grab_offscreen (GSGrab *grab,
- gboolean hide_cursor)
-{
- GdkScreen *screen;
- gboolean res;
-
- gs_debug ("Grabbing an offscreen window");
-
- screen = gtk_invisible_get_screen (GTK_INVISIBLE (grab->priv->invisible));
- res = gs_grab_grab_window (grab, grab->priv->invisible->window, screen, hide_cursor);
-
- return res;
-}
-
-/* This is similar to gs_grab_grab_window but doesn't fail */
-void
-gs_grab_move_to_window (GSGrab *grab,
- GdkWindow *window,
- GdkScreen *screen,
- gboolean hide_cursor)
-{
- gboolean result = FALSE;
-
- g_return_if_fail (GS_IS_GRAB (grab));
-
- xorg_lock_smasher_set_active (grab, FALSE);
-
- do
- {
- result = gs_grab_move_keyboard (grab, window, screen);
- gdk_flush ();
- }
- while (!result);
-
- do
- {
- result = gs_grab_move_mouse (grab, window, screen, hide_cursor);
- gdk_flush ();
- }
- while (!result);
-}
-
-static void
-gs_grab_class_init (GSGrabClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
-
- object_class->finalize = gs_grab_finalize;
-
- g_type_class_add_private (klass, sizeof (GSGrabPrivate));
-}
-
-static void
-gs_grab_init (GSGrab *grab)
-{
- grab->priv = GS_GRAB_GET_PRIVATE (grab);
-
- grab->priv->mouse_hide_cursor = FALSE;
- grab->priv->invisible = gtk_invisible_new ();
- gtk_widget_show (grab->priv->invisible);
-}
-
-static void
-gs_grab_finalize (GObject *object)
-{
- GSGrab *grab;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GS_IS_GRAB (object));
-
- grab = GS_GRAB (object);
-
- g_return_if_fail (grab->priv != NULL);
-
- gtk_widget_destroy (grab->priv->invisible);
-
- G_OBJECT_CLASS (gs_grab_parent_class)->finalize (object);
-}
-
-GSGrab *
-gs_grab_new (void)
-{
- if (grab_object)
- {
- g_object_ref (grab_object);
- }
- else
- {
- grab_object = g_object_new (GS_TYPE_GRAB, NULL);
- g_object_add_weak_pointer (grab_object,
- (gpointer *) &grab_object);
- }
-
- return GS_GRAB (grab_object);
-}