mutter/src/compositor/meta-plugin-manager.c
Jonas Ådahl 2f4a68c8c3 Clean up include macros mess
The order and way include macros were structured was chaotic, with no
real common thread between files. Try to tidy up the mess with some
common scheme, to make things look less messy.
2018-11-06 17:17:36 +01:00

408 lines
12 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (c) 2008 Intel Corp.
*
* Author: Tomas Frydrych <tf@linux.intel.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "compositor/meta-plugin-manager.h"
#include <stdlib.h>
#include <string.h>
#include "clutter/x11/clutter-x11.h"
#include "compositor/compositor-private.h"
#include "compositor/meta-module.h"
#include "core/meta-close-dialog-default-private.h"
#include "core/meta-inhibit-shortcuts-dialog-default-private.h"
#include "core/window-private.h"
#include "meta/meta-x11-errors.h"
#include "meta/prefs.h"
#include "meta/workspace.h"
static GType plugin_type = G_TYPE_NONE;
struct MetaPluginManager
{
MetaCompositor *compositor;
MetaPlugin *plugin;
};
void
meta_plugin_manager_set_plugin_type (GType gtype)
{
if (plugin_type != G_TYPE_NONE)
meta_fatal ("Mutter plugin already set: %s", g_type_name (plugin_type));
plugin_type = gtype;
}
/*
* Loads the given plugin.
*/
void
meta_plugin_manager_load (const gchar *plugin_name)
{
const gchar *dpath = MUTTER_PLUGIN_DIR "/";
gchar *path;
MetaModule *module;
if (g_path_is_absolute (plugin_name))
path = g_strdup (plugin_name);
else
path = g_strconcat (dpath, plugin_name, ".so", NULL);
module = g_object_new (META_TYPE_MODULE, "path", path, NULL);
if (!module || !g_type_module_use (G_TYPE_MODULE (module)))
{
/* This is fatal under the assumption that a monitoring
* process like gnome-session will take over and handle
* our untimely exit.
*/
g_printerr ("Unable to load plugin module [%s]: %s",
path, g_module_error());
exit (1);
}
meta_plugin_manager_set_plugin_type (meta_module_get_plugin_type (module));
g_type_module_unuse (G_TYPE_MODULE (module));
g_free (path);
}
static void
on_confirm_display_change (MetaMonitorManager *monitors,
MetaPluginManager *plugin_mgr)
{
meta_plugin_manager_confirm_display_change (plugin_mgr);
}
MetaPluginManager *
meta_plugin_manager_new (MetaCompositor *compositor)
{
MetaPluginManager *plugin_mgr;
MetaPluginClass *klass;
MetaPlugin *plugin;
MetaMonitorManager *monitors;
plugin_mgr = g_new0 (MetaPluginManager, 1);
plugin_mgr->compositor = compositor;
plugin_mgr->plugin = plugin = g_object_new (plugin_type, NULL);
_meta_plugin_set_compositor (plugin, compositor);
klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->start)
klass->start (plugin);
monitors = meta_monitor_manager_get ();
g_signal_connect (monitors, "confirm-display-change",
G_CALLBACK (on_confirm_display_change), plugin_mgr);
return plugin_mgr;
}
static void
meta_plugin_manager_kill_window_effects (MetaPluginManager *plugin_mgr,
MetaWindowActor *actor)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->kill_window_effects)
klass->kill_window_effects (plugin, actor);
}
static void
meta_plugin_manager_kill_switch_workspace (MetaPluginManager *plugin_mgr)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->kill_switch_workspace)
klass->kill_switch_workspace (plugin);
}
/*
* Public method that the compositor hooks into for events that require
* no additional parameters.
*
* 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_event_simple (MetaPluginManager *plugin_mgr,
MetaWindowActor *actor,
MetaPluginEffect event)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
gboolean retval = FALSE;
if (display->display_opening)
return FALSE;
switch (event)
{
case META_PLUGIN_MINIMIZE:
if (klass->minimize)
{
retval = TRUE;
meta_plugin_manager_kill_window_effects (plugin_mgr,
actor);
klass->minimize (plugin, actor);
}
break;
case META_PLUGIN_UNMINIMIZE:
if (klass->unminimize)
{
retval = TRUE;
meta_plugin_manager_kill_window_effects (plugin_mgr,
actor);
klass->unminimize (plugin, actor);
}
break;
case META_PLUGIN_MAP:
if (klass->map)
{
retval = TRUE;
meta_plugin_manager_kill_window_effects (plugin_mgr,
actor);
klass->map (plugin, actor);
}
break;
case META_PLUGIN_DESTROY:
if (klass->destroy)
{
retval = TRUE;
klass->destroy (plugin, actor);
}
break;
default:
g_warning ("Incorrect handler called for event %d", event);
}
return retval;
}
void
meta_plugin_manager_event_size_changed (MetaPluginManager *plugin_mgr,
MetaWindowActor *actor)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->size_changed)
klass->size_changed (plugin, actor);
}
gboolean
meta_plugin_manager_event_size_change (MetaPluginManager *plugin_mgr,
MetaWindowActor *actor,
MetaSizeChange which_change,
MetaRectangle *old_frame_rect,
MetaRectangle *old_buffer_rect)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
if (display->display_opening)
return FALSE;
if (!klass->size_change)
return FALSE;
meta_plugin_manager_kill_window_effects (plugin_mgr, actor);
klass->size_change (plugin, actor, which_change, old_frame_rect, old_buffer_rect);
return TRUE;
}
/*
* 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 = plugin_mgr->compositor->display;
gboolean retval = FALSE;
if (display->display_opening)
return FALSE;
if (klass->switch_workspace)
{
retval = TRUE;
meta_plugin_manager_kill_switch_workspace (plugin_mgr);
klass->switch_workspace (plugin, from, to, direction);
}
return retval;
}
gboolean
meta_plugin_manager_filter_keybinding (MetaPluginManager *plugin_mgr,
MetaKeyBinding *binding)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->keybinding_filter)
return klass->keybinding_filter (plugin, binding);
return FALSE;
}
gboolean
meta_plugin_manager_xevent_filter (MetaPluginManager *plugin_mgr,
XEvent *xev)
{
MetaPlugin *plugin = plugin_mgr->plugin;
return _meta_plugin_xevent_filter (plugin, xev);
}
void
meta_plugin_manager_confirm_display_change (MetaPluginManager *plugin_mgr)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->confirm_display_change)
return klass->confirm_display_change (plugin);
else
return meta_plugin_complete_display_change (plugin, TRUE);
}
gboolean
meta_plugin_manager_show_tile_preview (MetaPluginManager *plugin_mgr,
MetaWindow *window,
MetaRectangle *tile_rect,
int tile_monitor_number)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
if (display->display_opening)
return FALSE;
if (klass->show_tile_preview)
{
klass->show_tile_preview (plugin, window, tile_rect, tile_monitor_number);
return TRUE;
}
return FALSE;
}
gboolean
meta_plugin_manager_hide_tile_preview (MetaPluginManager *plugin_mgr)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
if (display->display_opening)
return FALSE;
if (klass->hide_tile_preview)
{
klass->hide_tile_preview (plugin);
return TRUE;
}
return FALSE;
}
void
meta_plugin_manager_show_window_menu (MetaPluginManager *plugin_mgr,
MetaWindow *window,
MetaWindowMenuType menu,
int x,
int y)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
if (display->display_opening)
return;
if (klass->show_window_menu)
klass->show_window_menu (plugin, window, menu, x, y);
}
void
meta_plugin_manager_show_window_menu_for_rect (MetaPluginManager *plugin_mgr,
MetaWindow *window,
MetaWindowMenuType menu,
MetaRectangle *rect)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
MetaDisplay *display = plugin_mgr->compositor->display;
if (display->display_opening)
return;
if (klass->show_window_menu_for_rect)
klass->show_window_menu_for_rect (plugin, window, menu, rect);
}
MetaCloseDialog *
meta_plugin_manager_create_close_dialog (MetaPluginManager *plugin_mgr,
MetaWindow *window)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->create_close_dialog)
return klass->create_close_dialog (plugin, window);
return meta_close_dialog_default_new (window);
}
MetaInhibitShortcutsDialog *
meta_plugin_manager_create_inhibit_shortcuts_dialog (MetaPluginManager *plugin_mgr,
MetaWindow *window)
{
MetaPlugin *plugin = plugin_mgr->plugin;
MetaPluginClass *klass = META_PLUGIN_GET_CLASS (plugin);
if (klass->create_inhibit_shortcuts_dialog)
return klass->create_inhibit_shortcuts_dialog (plugin, window);
return meta_inhibit_shortcuts_dialog_default_new (window);
}