/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (c) 2008 Intel Corp. * * Author: Tomas Frydrych * * 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 . */ #ifndef META_PLUGIN_H_ #define META_PLUGIN_H_ #include #include #include #include #include #include #include #include #include #define META_TYPE_PLUGIN (meta_plugin_get_type ()) #define META_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_PLUGIN, MetaPlugin)) #define META_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_PLUGIN, MetaPluginClass)) #define META_IS_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_PLUGIN)) #define META_IS_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_PLUGIN)) #define META_PLUGIN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_PLUGIN, MetaPluginClass)) typedef struct _MetaPlugin MetaPlugin; typedef struct _MetaPluginClass MetaPluginClass; typedef struct _MetaPluginVersion MetaPluginVersion; typedef struct _MetaPluginInfo MetaPluginInfo; typedef struct _MetaPluginPrivate MetaPluginPrivate; struct _MetaPlugin { GObject parent; MetaPluginPrivate *priv; }; /** * MetaPluginClass: * @start: virtual function called when the compositor starts managing a screen * @minimize: virtual function called when a window is minimized * @size_change: virtual function called when a window changes size to/from constraints * @map: virtual function called when a window is mapped * @destroy: virtual function called when a window is destroyed * @switch_workspace: virtual function called when the user switches to another * workspace * @kill_window_effects: virtual function called when the effects on a window * need to be killed prematurely; the plugin must call the completed() callback * as if the effect terminated naturally * @kill_switch_workspace: virtual function called when the workspace-switching * effect needs to be killed prematurely * @xevent_filter: virtual function called when handling each event * @keybinding_filter: virtual function called when handling each keybinding * @plugin_info: virtual function that returns information about the * #MetaPlugin */ struct _MetaPluginClass { /*< private >*/ GObjectClass parent_class; /*< public >*/ /** * MetaPluginClass::start: * * Virtual function called when the compositor starts managing a screen */ void (*start) (MetaPlugin *plugin); /** * MetaPluginClass::minimize: * @actor: a #MetaWindowActor * * Virtual function called when the window represented by @actor is minimized. */ void (*minimize) (MetaPlugin *plugin, MetaWindowActor *actor); /** * MetaPluginClass::unminimize: * @actor: a #MetaWindowActor * * Virtual function called when the window represented by @actor is unminimized. */ void (*unminimize) (MetaPlugin *plugin, MetaWindowActor *actor); void (*size_changed) (MetaPlugin *plugin, MetaWindowActor *actor); void (*size_change) (MetaPlugin *plugin, MetaWindowActor *actor, MetaSizeChange which_change, MetaRectangle *old_frame_rect, MetaRectangle *old_buffer_rect); /** * MetaPluginClass::map: * @actor: a #MetaWindowActor * * Virtual function called when the window represented by @actor is mapped. */ void (*map) (MetaPlugin *plugin, MetaWindowActor *actor); /** * MetaPluginClass::destroy: * @actor: a #MetaWindowActor * * Virtual function called when the window represented by @actor is destroyed. */ void (*destroy) (MetaPlugin *plugin, MetaWindowActor *actor); /** * MetaPluginClass::switch_workspace: * @from: origin workspace * @to: destination workspace * @direction: a #MetaMotionDirection * * Virtual function called when the window represented by @actor is destroyed. */ void (*switch_workspace) (MetaPlugin *plugin, gint from, gint to, MetaMotionDirection direction); void (*show_tile_preview) (MetaPlugin *plugin, MetaWindow *window, MetaRectangle *tile_rect, int tile_monitor_number); void (*hide_tile_preview) (MetaPlugin *plugin); void (*show_window_menu) (MetaPlugin *plugin, MetaWindow *window, MetaWindowMenuType menu, int x, int y); void (*show_window_menu_for_rect) (MetaPlugin *plugin, MetaWindow *window, MetaWindowMenuType menu, MetaRectangle *rect); /** * MetaPluginClass::kill_window_effects: * @actor: a #MetaWindowActor * * Virtual function called when the effects on @actor need to be killed * prematurely; the plugin must call the completed() callback as if the effect * terminated naturally. */ void (*kill_window_effects) (MetaPlugin *plugin, MetaWindowActor *actor); /** * MetaPluginClass::kill_switch_workspace: * * Virtual function called when the workspace-switching effect needs to be * killed prematurely. */ void (*kill_switch_workspace) (MetaPlugin *plugin); /** * MetaPluginClass::xevent_filter: * @event: (type xlib.XEvent): * * Virtual function called when handling each event. * * 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 (*xevent_filter) (MetaPlugin *plugin, XEvent *event); /** * MetaPluginClass::keybinding_filter: * @binding: a #MetaKeyBinding * * Virtual function called when handling each keybinding. * * Returns: %TRUE if the plugin handled the keybinding. */ gboolean (*keybinding_filter) (MetaPlugin *plugin, MetaKeyBinding *binding); /** * MetaPluginClass::confirm_display_config: * @plugin: a #MetaPlugin * * Virtual function called when the display configuration changes. * The common way to implement this function is to show some form * of modal dialog that should ask the user if everything was ok. * * When confirmed by the user, the plugin must call meta_plugin_complete_display_change() * to make the configuration permanent. If that function is not * called within the timeout, the previous configuration will be * reapplied. */ void (*confirm_display_change) (MetaPlugin *plugin); /** * MetaPluginClass::plugin_info: * @plugin: a #MetaPlugin * * Virtual function that returns information about the #MetaPlugin. * * Returns: a #MetaPluginInfo. */ const MetaPluginInfo * (*plugin_info) (MetaPlugin *plugin); /** * MetaPluginClass::create_close_dialog: * @plugin: a #MetaPlugin * @window: a #MetaWindow * * Virtual function called to create a "force quit" dialog * on non-responsive clients. */ MetaCloseDialog * (* create_close_dialog) (MetaPlugin *plugin, MetaWindow *window); /** * MetaPluginClass::create_inhibit_shortcuts_dialog: * @plugin: a #MetaPlugin * @window: a #MetaWindow * * Virtual function called to create a "inhibit shortcuts" dialog * when a client requests compositor shortcuts to be inhibited. */ MetaInhibitShortcutsDialog * (* create_inhibit_shortcuts_dialog) (MetaPlugin *plugin, MetaWindow *window); }; /** * MetaPluginInfo: * @name: name of the plugin * @version: version of the plugin * @author: author of the plugin * @license: license of the plugin * @description: description of the plugin */ struct _MetaPluginInfo { const gchar *name; const gchar *version; const gchar *author; const gchar *license; const gchar *description; }; GType meta_plugin_get_type (void); const MetaPluginInfo * meta_plugin_get_info (MetaPlugin *plugin); /** * MetaPluginVersion: * @version_major: major component of the version number of Meta with which the plugin was compiled * @version_minor: minor component of the version number of Meta with which the plugin was compiled * @version_micro: micro component of the version number of Meta with which the plugin was compiled * @version_api: version of the plugin API */ struct _MetaPluginVersion { /* * Version information; the first three numbers match the Meta version * with which the plugin was compiled (see clutter-plugins/simple.c for sample * code). */ guint version_major; guint version_minor; guint version_micro; /* * Version of the plugin API; this is unrelated to the matacity version * per se. The API version is checked by the plugin manager and must match * the one used by it (see clutter-plugins/default.c for sample code). */ guint version_api; }; /* * Convenience macro to set up the plugin type. Based on GEdit. */ #define META_PLUGIN_DECLARE(ObjectName, object_name) \ G_MODULE_EXPORT MetaPluginVersion meta_plugin_version = \ { \ META_MAJOR_VERSION, \ META_MINOR_VERSION, \ META_MICRO_VERSION, \ META_PLUGIN_API_VERSION \ }; \ \ static GType g_define_type_id = 0; \ \ /* Prototypes */ \ G_MODULE_EXPORT \ GType object_name##_get_type (void); \ \ G_MODULE_EXPORT \ GType object_name##_register_type (GTypeModule *type_module); \ \ G_MODULE_EXPORT \ GType meta_plugin_register_type (GTypeModule *type_module); \ \ GType \ object_name##_get_type (void) \ { \ return g_define_type_id; \ } \ \ static void object_name##_init (ObjectName *self); \ static void object_name##_class_init (ObjectName##Class *klass); \ static gpointer object_name##_parent_class = NULL; \ static void object_name##_class_intern_init (gpointer klass) \ { \ object_name##_parent_class = g_type_class_peek_parent (klass); \ object_name##_class_init ((ObjectName##Class *) klass); \ } \ \ GType \ object_name##_register_type (GTypeModule *type_module) \ { \ static const GTypeInfo our_info = \ { \ sizeof (ObjectName##Class), \ NULL, /* base_init */ \ NULL, /* base_finalize */ \ (GClassInitFunc) object_name##_class_intern_init, \ NULL, \ NULL, /* class_data */ \ sizeof (ObjectName), \ 0, /* n_preallocs */ \ (GInstanceInitFunc) object_name##_init \ }; \ \ g_define_type_id = g_type_module_register_type (type_module, \ META_TYPE_PLUGIN, \ #ObjectName, \ &our_info, \ 0); \ \ \ return g_define_type_id; \ } \ \ G_MODULE_EXPORT GType \ meta_plugin_register_type (GTypeModule *type_module) \ { \ return object_name##_register_type (type_module); \ } \ void meta_plugin_switch_workspace_completed (MetaPlugin *plugin); void meta_plugin_minimize_completed (MetaPlugin *plugin, MetaWindowActor *actor); void meta_plugin_unminimize_completed (MetaPlugin *plugin, MetaWindowActor *actor); void meta_plugin_size_change_completed (MetaPlugin *plugin, MetaWindowActor *actor); void meta_plugin_map_completed (MetaPlugin *plugin, MetaWindowActor *actor); void meta_plugin_destroy_completed (MetaPlugin *plugin, MetaWindowActor *actor); void meta_plugin_complete_display_change (MetaPlugin *plugin, gboolean ok); /** * MetaModalOptions: * @META_MODAL_POINTER_ALREADY_GRABBED: if set the pointer is already * grabbed by the plugin and should not be grabbed again. * @META_MODAL_KEYBOARD_ALREADY_GRABBED: if set the keyboard is already * grabbed by the plugin and should not be grabbed again. * * Options that can be provided when calling meta_plugin_begin_modal(). */ typedef enum { META_MODAL_POINTER_ALREADY_GRABBED = 1 << 0, META_MODAL_KEYBOARD_ALREADY_GRABBED = 1 << 1 } MetaModalOptions; gboolean meta_plugin_begin_modal (MetaPlugin *plugin, MetaModalOptions options, guint32 timestamp); void meta_plugin_end_modal (MetaPlugin *plugin, guint32 timestamp); MetaScreen *meta_plugin_get_screen (MetaPlugin *plugin); void _meta_plugin_set_compositor (MetaPlugin *plugin, MetaCompositor *compositor); /* XXX: Putting this in here so it's in the public header. */ void meta_plugin_manager_set_plugin_type (GType gtype); #endif /* META_PLUGIN_H_ */