Пример #1
0
static void
refcounted_grab_server (Display *xdisplay)
{
  GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);

  gdk_x11_display_grab (display);
}
Пример #2
0
/**
 * mate_rr_screen_refresh
 * @screen: a #MateRRScreen
 * @error: location to store error, or %NULL
 *
 * Refreshes the screen configuration, and calls the screen's callback if it
 * exists and if the screen's configuration changed.
 *
 * Return value: TRUE if the screen's configuration changed; otherwise, the
 * function returns FALSE and a NULL error if the configuration didn't change,
 * or FALSE and a non-NULL error if there was an error while refreshing the
 * configuration.
 */
gboolean
mate_rr_screen_refresh (MateRRScreen *screen,
			 GError       **error)
{
    gboolean refreshed;

    g_return_val_if_fail (error == NULL || *error == NULL, FALSE);

    gdk_x11_display_grab (gdk_screen_get_display (screen->gdk_screen));

    refreshed = screen_update (screen, FALSE, TRUE, error);
    force_timestamp_update (screen); /* this is to keep other clients from thinking that the X server re-detected things by itself - bgo#621046 */

    gdk_x11_display_ungrab (gdk_screen_get_display (screen->gdk_screen));

    return refreshed;
}
Пример #3
0
/**
 * gnome_rr_screen_refresh:
 * @screen: a #GnomeRRScreen
 * @error: location to store error, or %NULL
 *
 * Refreshes the screen configuration, and calls the screen's callback if it
 * exists and if the screen's configuration changed.
 *
 * Return value: TRUE if the screen's configuration changed; otherwise, the
 * function returns FALSE and a NULL error if the configuration didn't change,
 * or FALSE and a non-NULL error if there was an error while refreshing the
 * configuration.
 */
gboolean
gnome_rr_screen_refresh (GnomeRRScreen *screen,
			 GError       **error)
{
    gboolean refreshed;

    g_return_val_if_fail (error == NULL || *error == NULL, FALSE);

#ifdef HAVE_X11
    gdk_x11_display_grab (gdk_screen_get_display (screen->priv->gdk_screen));
#endif

    refreshed = screen_update (screen, FALSE, TRUE, error);

#ifdef HAVE_X11
    gnome_rr_x11_screen_force_timestamp_update (GNOME_RR_X11_SCREEN (screen)); /* this is to keep other clients from thinking that the X server re-detected things by itself - bgo#621046 */
    gdk_x11_display_ungrab (gdk_screen_get_display (screen->priv->gdk_screen));
#endif

    return refreshed;
}
Пример #4
0
static void
check_manager_window (GdkX11Screen *x11_screen,
                      gboolean      notify_changes)
{
  GdkDisplay *display;
  Display *xdisplay;
  Window manager_window_xid;

  display = x11_screen->display;
  xdisplay = gdk_x11_display_get_xdisplay (display);

  if (x11_screen->xsettings_manager_window)
    {
      gdk_window_remove_filter (x11_screen->xsettings_manager_window, gdk_xsettings_manager_window_filter, x11_screen);
      g_object_unref (x11_screen->xsettings_manager_window);
    }

  gdk_x11_display_grab (display);

  manager_window_xid = XGetSelectionOwner (xdisplay, get_selection_atom (x11_screen));
  x11_screen->xsettings_manager_window = gdk_x11_window_foreign_new_for_display (display,
                                                                   manager_window_xid);
  /* XXX: Can't use gdk_window_set_events() here because the first call to this
   * function happens too early in gdk_init() */
  if (x11_screen->xsettings_manager_window)
    XSelectInput (xdisplay,
                  gdk_x11_window_get_xid (x11_screen->xsettings_manager_window),
                  PropertyChangeMask | StructureNotifyMask);

  gdk_x11_display_ungrab (display);
  
  gdk_display_flush (display);

  if (x11_screen->xsettings_manager_window)
    {
      gdk_window_add_filter (x11_screen->xsettings_manager_window, gdk_xsettings_manager_window_filter, x11_screen);
    }
      
  read_settings (x11_screen, notify_changes);
}
Пример #5
0
static gboolean
crtc_assignment_apply (CrtcAssignment *assign, guint32 timestamp, GError **error)
{
    MateRRCrtc **all_crtcs = mate_rr_screen_list_crtcs (assign->screen);
    int width, height;
    int i;
    int min_width, max_width, min_height, max_height;
    int width_mm, height_mm;
    gboolean success = TRUE;

    /* Compute size of the screen */
    get_required_virtual_size (assign, &width, &height);

    mate_rr_screen_get_ranges (
	assign->screen, &min_width, &max_width, &min_height, &max_height);

    /* We should never get here if the dimensions don't fit in the virtual size,
     * but just in case we do, fix it up.
     */
    width = MAX (min_width, width);
    width = MIN (max_width, width);
    height = MAX (min_height, height);
    height = MIN (max_height, height);

    /* FMQ: do we need to check the sizes instead of clamping them? */

    /* Grab the server while we fiddle with the CRTCs and the screen, so that
     * apps that listen for RANDR notifications will only receive the final
     * status.
     */

    gdk_x11_display_grab (gdk_screen_get_display (assign->screen->gdk_screen));

    /* Turn off all crtcs that are currently displaying outside the new screen,
     * or are not used in the new setup
     */
    for (i = 0; all_crtcs[i] != NULL; ++i)
    {
	MateRRCrtc *crtc = all_crtcs[i];
	MateRRMode *mode = mate_rr_crtc_get_current_mode (crtc);
	int x, y;

	if (mode)
	{
	    int w, h;
	    mate_rr_crtc_get_position (crtc, &x, &y);

	    w = mate_rr_mode_get_width (mode);
	    h = mate_rr_mode_get_height (mode);

	    if (crtc_is_rotated (crtc))
	    {
		int tmp = h;
		h = w;
		w = tmp;
	    }
	    
	    if (x + w > width || y + h > height || !g_hash_table_lookup (assign->info, crtc))
	    {
		if (!mate_rr_crtc_set_config_with_time (crtc, timestamp, 0, 0, NULL, MATE_RR_ROTATION_0, NULL, 0, error))
		{
		    success = FALSE;
		    break;
		}
		
	    }
	}
    }

    /* The 'physical size' of an X screen is meaningless if that screen
     * can consist of many monitors. So just pick a size that make the
     * dpi 96.
     *
     * Firefox and Evince apparently believe what X tells them.
     */
    width_mm = (width / 96.0) * 25.4 + 0.5;
    height_mm = (height / 96.0) * 25.4 + 0.5;

    if (success)
    {
	ConfigureCrtcState state;

	mate_rr_screen_set_size (assign->screen, width, height, width_mm, height_mm);

	state.timestamp = timestamp;
	state.has_error = FALSE;
	state.error = error;
	
	g_hash_table_foreach (assign->info, configure_crtc, &state);

	success = !state.has_error;
    }

    mate_rr_screen_set_primary_output (assign->screen, assign->primary);

    gdk_x11_display_ungrab (gdk_screen_get_display (assign->screen->gdk_screen));

    return success;
}
Пример #6
0
static gchar*
passphrase_mbox(const gchar *uid_hint, const gchar *pass_hint, gint prev_bad)
{
    gchar *the_passphrase = NULL;
    GtkWidget *vbox;
    GtkWidget *confirm_box;
    GtkWidget *window;
    GtkWidget *pass_entry;
    GtkWidget *ok_button;
    GtkWidget *cancel_button;

    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window), _("Passphrase"));
    gtk_widget_set_size_request(window, 450, -1);
    gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    gtk_window_set_modal(GTK_WINDOW(window), TRUE);
    gtk_window_set_policy(GTK_WINDOW(window), FALSE, FALSE, FALSE);
    g_signal_connect(G_OBJECT(window), "delete_event",
                     G_CALLBACK(passphrase_deleted), NULL);
    g_signal_connect(G_OBJECT(window), "key_press_event",
                     G_CALLBACK(passphrase_key_pressed), NULL);
    MANAGE_WINDOW_SIGNALS_CONNECT(window);
    manage_window_set_transient(GTK_WINDOW(window));

    vbox = gtk_vbox_new(FALSE, 8);
    gtk_container_add(GTK_CONTAINER(window), vbox);
    gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);

    if (uid_hint || pass_hint) {
        GtkWidget *label;
        label = create_description (uid_hint, pass_hint, prev_bad);
        gtk_box_pack_start (GTK_BOX(vbox), label, FALSE, FALSE, 0);
    }

    pass_entry = gtk_entry_new();
    gtk_box_pack_start(GTK_BOX(vbox), pass_entry, FALSE, FALSE, 0);
    gtk_entry_set_visibility(GTK_ENTRY(pass_entry), FALSE);
    gtk_widget_grab_focus(pass_entry);

    gtkut_stock_button_set_create(&confirm_box, &ok_button, GTK_STOCK_OK,
				  &cancel_button, GTK_STOCK_CANCEL,
				  NULL, NULL);
    gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
    gtk_widget_grab_default(ok_button);

    g_signal_connect(G_OBJECT(ok_button), "clicked",
                     G_CALLBACK(passphrase_ok_cb), NULL);
    g_signal_connect(G_OBJECT(pass_entry), "activate",
                     G_CALLBACK(passphrase_ok_cb), NULL);
    g_signal_connect(G_OBJECT(cancel_button), "clicked",
                     G_CALLBACK(passphrase_cancel_cb), NULL);

    gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
    if (grab_all)   
        gtk_window_set_policy (GTK_WINDOW(window), FALSE, FALSE, TRUE);
    
    gtk_widget_show_all(window);

    if (grab_all) {
        /* make sure that window is viewable
	 * FIXME: this is still not enough */
        gtk_widget_show_now(window);
	gdk_flush();
#ifdef GDK_WINDOWING_X11
	gdk_x11_display_grab(gdk_display_get_default());
#endif /* GDK_WINDOWING_X11 */
        if (gdk_pointer_grab(window->window, TRUE, 0,
                             window->window, NULL, GDK_CURRENT_TIME)) {
#ifdef GDK_WINDOWING_X11
            gdk_x11_display_ungrab(gdk_display_get_default());
#endif /* GDK_WINDOWING_X11 */
            g_warning("OOPS: Could not grab mouse\n");
            gtk_widget_destroy(window);
            return NULL;
        }
        if (gdk_keyboard_grab(window->window, FALSE, GDK_CURRENT_TIME)) {
            gdk_display_pointer_ungrab(gdk_display_get_default(),
			 	       GDK_CURRENT_TIME);
#ifdef GDK_WINDOWING_X11
            gdk_x11_display_ungrab(gdk_display_get_default());
#endif /* GDK_WINDOWING_X11 */
            g_warning("OOPS: Could not grab keyboard\n");
            gtk_widget_destroy(window);
            return NULL;
        }
    }

    gtk_main();

    if (grab_all) {
        gdk_display_keyboard_ungrab(gdk_display_get_default(),
				    GDK_CURRENT_TIME);
        gdk_display_pointer_ungrab(gdk_display_get_default(), GDK_CURRENT_TIME);
#ifdef GDK_WINDOWING_X11
        gdk_x11_display_ungrab(gdk_display_get_default());
#endif /* GDK_WINDOWING_X11 */
        gdk_flush();
    }

    manage_window_focus_out(window, NULL, NULL);

    if (pass_ack) {
        const gchar *entry_text;
        entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
        the_passphrase = g_locale_from_utf8(entry_text, -1, NULL, NULL, NULL);
        if (!the_passphrase)
            the_passphrase = g_strdup(entry_text);
    }
    gtk_widget_destroy(window);

    return the_passphrase;
}
Пример #7
0
static VALUE
rg_grab(VALUE self)
{
    gdk_x11_display_grab(_SELF(self));
    return self;
}
Пример #8
0
/**
 * gdk_x11_grab_server:
 * 
 * Call gdk_x11_display_grab() on the default display. 
 * To ungrab the server again, use gdk_x11_ungrab_server(). 
 *
 * gdk_x11_grab_server()/gdk_x11_ungrab_server() calls can be nested.
 **/ 
void
gdk_x11_grab_server (void)
{
  gdk_x11_display_grab (gdk_display_get_default ());
}