C++ (Cpp) MetaPluginClass::switch_workspace示例

/*
 * The public method that the compositor hooks into for desktop switching.
 *
 * Returns TRUE if the plugin handled the event type (i.e.,
 * if the return value is FALSE, there will be no subsequent call to the
 * manager completed() callback, and the compositor must ensure that any
 * appropriate post-effect cleanup is carried out.
 */
gboolean
meta_plugin_manager_switch_workspace (MetaPluginManager   *plugin_mgr,
                                      gint                 from,
                                      gint                 to,
                                      MetaMotionDirection  direction)
{
  MetaPlugin *plugin = plugin_mgr->plugin;
  MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
  MetaDisplay *display = meta_screen_get_display (plugin_mgr->screen);
  gboolean retval = FALSE;

  if (display->display_opening)
    return FALSE;

  if (klass->switch_workspace)
    {
      retval = TRUE;
      meta_plugin_manager_kill_switch_workspace (plugin_mgr);

      _meta_plugin_effect_started (plugin);
      klass->switch_workspace (plugin, from, to, direction);
    }

  return retval;
}

示例#2

显示文件

文件： meta-plugin-manager.c 项目： darkxst/test

/*
 * The public method that the compositor hooks into for desktop switching.
 *
 * Returns TRUE if at least one of the plugins handled the event type (i.e.,
 * if the return value is FALSE, there will be no subsequent call to the
 * manager completed() callback, and the compositor must ensure that any
 * appropriate post-effect cleanup is carried out.
 */
gboolean
meta_plugin_manager_switch_workspace (MetaPluginManager   *plugin_mgr,
                                      gint                 from,
                                      gint                 to,
                                      MetaMotionDirection  direction)
{
  GList *l = plugin_mgr->plugins;
  gboolean retval = FALSE;
  MetaDisplay *display  = meta_screen_get_display (plugin_mgr->screen);

  if (display->display_opening)
    return FALSE;

  while (l)
    {
      MetaPlugin        *plugin = l->data;
      MetaPluginClass   *klass = META_PLUGIN_GET_CLASS (plugin);

      if (!meta_plugin_disabled (plugin) &&
          (meta_plugin_features (plugin) & META_PLUGIN_SWITCH_WORKSPACE))
        {
          if (klass->switch_workspace)
            {
              retval = TRUE;
              meta_plugin_manager_kill_switch_workspace (plugin_mgr);

              _meta_plugin_effect_started (plugin);
              klass->switch_workspace (plugin, from, to, direction);
            }
        }

      l = l->next;
    }

  return retval;
}