/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ /* * Copyright (c) 2008 Red Hat, Inc. * Copyright (c) 2008 Intel Corp. * * Based on plugin skeleton by: * 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 . */ /* * GnomeShellPlugin is the entry point for for GNOME Shell into and out of * Mutter. By registering itself into Mutter using * meta_plugin_manager_set_plugin_type(), Mutter will call the vfuncs of the * plugin at the appropriate time. * * The functions in in GnomeShellPlugin are all just stubs, which just call the * similar methods in GnomeShellWm. */ #include "config.h" #include #include #include #include #include #include #include #include #include "shell-global-private.h" #include "shell-perf-log.h" #include "shell-wm-private.h" #define GNOME_TYPE_SHELL_PLUGIN (gnome_shell_plugin_get_type ()) G_DECLARE_FINAL_TYPE (GnomeShellPlugin, gnome_shell_plugin, GNOME, SHELL_PLUGIN, MetaPlugin) struct _GnomeShellPlugin { MetaPlugin parent; int glx_error_base; int glx_event_base; guint have_swap_event : 1; CoglContext *cogl_context; ShellGlobal *global; }; G_DEFINE_TYPE (GnomeShellPlugin, gnome_shell_plugin, META_TYPE_PLUGIN) static gboolean gnome_shell_plugin_has_swap_event (GnomeShellPlugin *shell_plugin) { CoglDisplay *cogl_display = cogl_context_get_display (shell_plugin->cogl_context); CoglRenderer *renderer = cogl_display_get_renderer (cogl_display); const char * (* query_extensions_string) (Display *dpy, int screen); Bool (* query_extension) (Display *dpy, int *error, int *event); MetaDisplay *display = meta_plugin_get_display (META_PLUGIN (shell_plugin)); MetaX11Display *x11_display = meta_display_get_x11_display (display); Display *xdisplay; int screen_number; const char *glx_extensions; /* We will only get swap events if Cogl is using GLX */ if (cogl_renderer_get_winsys_id (renderer) != COGL_WINSYS_ID_GLX) return FALSE; xdisplay = meta_x11_display_get_xdisplay (x11_display); query_extensions_string = (void *) cogl_get_proc_address ("glXQueryExtensionsString"); query_extension = (void *) cogl_get_proc_address ("glXQueryExtension"); query_extension (xdisplay, &shell_plugin->glx_error_base, &shell_plugin->glx_event_base); screen_number = XDefaultScreen (xdisplay); glx_extensions = query_extensions_string (xdisplay, screen_number); return strstr (glx_extensions, "GLX_INTEL_swap_event") != NULL; } static void gnome_shell_plugin_start (MetaPlugin *plugin) { GnomeShellPlugin *shell_plugin = GNOME_SHELL_PLUGIN (plugin); GError *error = NULL; uint8_t status; GjsContext *gjs_context; ClutterBackend *backend; backend = clutter_get_default_backend (); shell_plugin->cogl_context = clutter_backend_get_cogl_context (backend); shell_plugin->have_swap_event = gnome_shell_plugin_has_swap_event (shell_plugin); shell_perf_log_define_event (shell_perf_log_get_default (), "glx.swapComplete", "GL buffer swap complete event received (with timestamp of completion)", "x"); shell_plugin->global = shell_global_get (); _shell_global_set_plugin (shell_plugin->global, META_PLUGIN (shell_plugin)); gjs_context = _shell_global_get_gjs_context (shell_plugin->global); if (!gjs_context_eval_module_file (gjs_context, "resource:///org/gnome/shell/ui/init.js", &status, &error)) { g_message ("Execution of main.js threw exception: %s", error->message); g_error_free (error); /* We just exit() here, since in a development environment you'll get the * error in your shell output, and it's way better than a busted WM, * which typically manifests as a white screen. * * In production, we shouldn't crash =) But if we do, we should get * restarted by the session infrastructure, which is likely going * to be better than some undefined state. * * If there was a generic "hook into bug-buddy for non-C crashes" * infrastructure, here would be the place to put it. */ g_object_unref (gjs_context); exit (1); } } static ShellWM * get_shell_wm (void) { ShellWM *wm; g_object_get (shell_global_get (), "window-manager", &wm, NULL); /* drop extra ref added by g_object_get */ g_object_unref (wm); return wm; } static void gnome_shell_plugin_minimize (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_minimize (get_shell_wm (), actor); } static void gnome_shell_plugin_unminimize (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_unminimize (get_shell_wm (), actor); } static void gnome_shell_plugin_size_changed (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_size_changed (get_shell_wm (), actor); } static void gnome_shell_plugin_size_change (MetaPlugin *plugin, MetaWindowActor *actor, MetaSizeChange which_change, MetaRectangle *old_frame_rect, MetaRectangle *old_buffer_rect) { _shell_wm_size_change (get_shell_wm (), actor, which_change, old_frame_rect, old_buffer_rect); } static void gnome_shell_plugin_map (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_map (get_shell_wm (), actor); } static void gnome_shell_plugin_destroy (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_destroy (get_shell_wm (), actor); } static void gnome_shell_plugin_switch_workspace (MetaPlugin *plugin, gint from, gint to, MetaMotionDirection direction) { _shell_wm_switch_workspace (get_shell_wm(), from, to, direction); } static void gnome_shell_plugin_kill_window_effects (MetaPlugin *plugin, MetaWindowActor *actor) { _shell_wm_kill_window_effects (get_shell_wm(), actor); } static void gnome_shell_plugin_kill_switch_workspace (MetaPlugin *plugin) { _shell_wm_kill_switch_workspace (get_shell_wm()); } static void gnome_shell_plugin_show_tile_preview (MetaPlugin *plugin, MetaWindow *window, MetaRectangle *tile_rect, int tile_monitor) { _shell_wm_show_tile_preview (get_shell_wm (), window, tile_rect, tile_monitor); } static void gnome_shell_plugin_hide_tile_preview (MetaPlugin *plugin) { _shell_wm_hide_tile_preview (get_shell_wm ()); } static void gnome_shell_plugin_show_window_menu (MetaPlugin *plugin, MetaWindow *window, MetaWindowMenuType menu, int x, int y) { _shell_wm_show_window_menu (get_shell_wm (), window, menu, x, y); } static void gnome_shell_plugin_show_window_menu_for_rect (MetaPlugin *plugin, MetaWindow *window, MetaWindowMenuType menu, MetaRectangle *rect) { _shell_wm_show_window_menu_for_rect (get_shell_wm (), window, menu, rect); } static gboolean gnome_shell_plugin_xevent_filter (MetaPlugin *plugin, XEvent *xev) { #ifdef GLX_INTEL_swap_event GnomeShellPlugin *shell_plugin = GNOME_SHELL_PLUGIN (plugin); if (shell_plugin->have_swap_event && xev->type == (shell_plugin->glx_event_base + GLX_BufferSwapComplete)) { GLXBufferSwapComplete *swap_complete_event; swap_complete_event = (GLXBufferSwapComplete *)xev; /* Buggy early versions of the INTEL_swap_event implementation in Mesa * can send this with a ust of 0. Simplify life for consumers * by ignoring such events */ if (swap_complete_event->ust != 0) { gboolean frame_timestamps; g_object_get (shell_plugin->global, "frame-timestamps", &frame_timestamps, NULL); if (frame_timestamps) shell_perf_log_event_x (shell_perf_log_get_default (), "glx.swapComplete", swap_complete_event->ust); } } #endif return FALSE; } static gboolean gnome_shell_plugin_keybinding_filter (MetaPlugin *plugin, MetaKeyBinding *binding) { return _shell_wm_filter_keybinding (get_shell_wm (), binding); } static void gnome_shell_plugin_confirm_display_change (MetaPlugin *plugin) { _shell_wm_confirm_display_change (get_shell_wm ()); } static const MetaPluginInfo * gnome_shell_plugin_plugin_info (MetaPlugin *plugin) { static const MetaPluginInfo info = { .name = "GNOME Shell", .version = "0.1", .author = "Various", .license = "GPLv2+", .description = "Provides GNOME Shell core functionality" }; return &info; } static MetaCloseDialog * gnome_shell_plugin_create_close_dialog (MetaPlugin *plugin, MetaWindow *window) { return _shell_wm_create_close_dialog (get_shell_wm (), window); } static MetaInhibitShortcutsDialog * gnome_shell_plugin_create_inhibit_shortcuts_dialog (MetaPlugin *plugin, MetaWindow *window) { return _shell_wm_create_inhibit_shortcuts_dialog (get_shell_wm (), window); } static void gnome_shell_plugin_locate_pointer (MetaPlugin *plugin) { GnomeShellPlugin *shell_plugin = GNOME_SHELL_PLUGIN (plugin); _shell_global_locate_pointer (shell_plugin->global); } static void gnome_shell_plugin_class_init (GnomeShellPluginClass *klass) { MetaPluginClass *plugin_class = META_PLUGIN_CLASS (klass); plugin_class->start = gnome_shell_plugin_start; plugin_class->map = gnome_shell_plugin_map; plugin_class->minimize = gnome_shell_plugin_minimize; plugin_class->unminimize = gnome_shell_plugin_unminimize; plugin_class->size_changed = gnome_shell_plugin_size_changed; plugin_class->size_change = gnome_shell_plugin_size_change; plugin_class->destroy = gnome_shell_plugin_destroy; plugin_class->switch_workspace = gnome_shell_plugin_switch_workspace; plugin_class->kill_window_effects = gnome_shell_plugin_kill_window_effects; plugin_class->kill_switch_workspace = gnome_shell_plugin_kill_switch_workspace; plugin_class->show_tile_preview = gnome_shell_plugin_show_tile_preview; plugin_class->hide_tile_preview = gnome_shell_plugin_hide_tile_preview; plugin_class->show_window_menu = gnome_shell_plugin_show_window_menu; plugin_class->show_window_menu_for_rect = gnome_shell_plugin_show_window_menu_for_rect; plugin_class->xevent_filter = gnome_shell_plugin_xevent_filter; plugin_class->keybinding_filter = gnome_shell_plugin_keybinding_filter; plugin_class->confirm_display_change = gnome_shell_plugin_confirm_display_change; plugin_class->plugin_info = gnome_shell_plugin_plugin_info; plugin_class->create_close_dialog = gnome_shell_plugin_create_close_dialog; plugin_class->create_inhibit_shortcuts_dialog = gnome_shell_plugin_create_inhibit_shortcuts_dialog; plugin_class->locate_pointer = gnome_shell_plugin_locate_pointer; } static void gnome_shell_plugin_init (GnomeShellPlugin *shell_plugin) { }