384 lines
13 KiB
C
384 lines
13 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (c) 2008 Red Hat, Inc.
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* Copyright (c) 2008 Intel Corp.
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*
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* Based on plugin skeleton by:
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* Author: Tomas Frydrych <tf@linux.intel.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <clutter/clutter.h>
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#include <clutter/x11/clutter-x11.h>
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#include <GL/glx.h>
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#include <GL/glxext.h>
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#include <gjs/gjs.h>
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#include <meta/display.h>
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#include <meta/meta-plugin.h>
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#include "shell-global-private.h"
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#include "shell-perf-log.h"
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#include "shell-wm-private.h"
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static void gnome_shell_plugin_dispose (GObject *object);
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static void gnome_shell_plugin_finalize (GObject *object);
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static void gnome_shell_plugin_start (MetaPlugin *plugin);
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static void gnome_shell_plugin_minimize (MetaPlugin *plugin,
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MetaWindowActor *actor);
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static void gnome_shell_plugin_maximize (MetaPlugin *plugin,
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MetaWindowActor *actor,
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gint x,
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gint y,
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gint width,
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gint height);
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static void gnome_shell_plugin_unmaximize (MetaPlugin *plugin,
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MetaWindowActor *actor,
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gint x,
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gint y,
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gint width,
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gint height);
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static void gnome_shell_plugin_map (MetaPlugin *plugin,
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MetaWindowActor *actor);
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static void gnome_shell_plugin_destroy (MetaPlugin *plugin,
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MetaWindowActor *actor);
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static void gnome_shell_plugin_switch_workspace (MetaPlugin *plugin,
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gint from,
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gint to,
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MetaMotionDirection direction);
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static void gnome_shell_plugin_kill_window_effects (MetaPlugin *plugin,
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MetaWindowActor *actor);
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static void gnome_shell_plugin_kill_switch_workspace (MetaPlugin *plugin);
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static gboolean gnome_shell_plugin_xevent_filter (MetaPlugin *plugin,
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XEvent *event);
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static const MetaPluginInfo *gnome_shell_plugin_plugin_info (MetaPlugin *plugin);
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#define GNOME_TYPE_SHELL_PLUGIN (gnome_shell_plugin_get_type ())
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#define GNOME_SHELL_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_SHELL_PLUGIN, GnomeShellPlugin))
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#define GNOME_SHELL_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_SHELL_PLUGIN, GnomeShellPluginClass))
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#define GNOME_IS_SHELL_PLUGIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_SHELL_PLUGIN_TYPE))
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#define GNOME_IS_SHELL_PLUGIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_SHELL_PLUGIN))
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#define GNOME_SHELL_PLUGIN_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_SHELL_PLUGIN, GnomeShellPluginClass))
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typedef struct _GnomeShellPlugin GnomeShellPlugin;
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typedef struct _GnomeShellPluginClass GnomeShellPluginClass;
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struct _GnomeShellPlugin
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{
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MetaPlugin parent;
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Atom panel_action;
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Atom panel_action_run_dialog;
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Atom panel_action_main_menu;
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int glx_error_base;
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int glx_event_base;
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guint have_swap_event : 1;
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ShellGlobal *global;
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};
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struct _GnomeShellPluginClass
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{
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MetaPluginClass parent_class;
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};
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GType gnome_shell_plugin_get_type (void);
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G_DEFINE_TYPE (GnomeShellPlugin, gnome_shell_plugin, META_TYPE_PLUGIN)
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static void
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gnome_shell_plugin_class_init (GnomeShellPluginClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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MetaPluginClass *plugin_class = META_PLUGIN_CLASS (klass);
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gobject_class->dispose = gnome_shell_plugin_dispose;
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gobject_class->finalize = gnome_shell_plugin_finalize;
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plugin_class->start = gnome_shell_plugin_start;
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plugin_class->map = gnome_shell_plugin_map;
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plugin_class->minimize = gnome_shell_plugin_minimize;
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plugin_class->maximize = gnome_shell_plugin_maximize;
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plugin_class->unmaximize = gnome_shell_plugin_unmaximize;
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plugin_class->destroy = gnome_shell_plugin_destroy;
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plugin_class->switch_workspace = gnome_shell_plugin_switch_workspace;
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plugin_class->kill_window_effects = gnome_shell_plugin_kill_window_effects;
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plugin_class->kill_switch_workspace = gnome_shell_plugin_kill_switch_workspace;
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plugin_class->xevent_filter = gnome_shell_plugin_xevent_filter;
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plugin_class->plugin_info = gnome_shell_plugin_plugin_info;
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}
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static void
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gnome_shell_plugin_init (GnomeShellPlugin *shell_plugin)
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{
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}
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static void
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gnome_shell_plugin_start (MetaPlugin *plugin)
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{
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GnomeShellPlugin *shell_plugin = GNOME_SHELL_PLUGIN (plugin);
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MetaScreen *screen;
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MetaDisplay *display;
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Display *xdisplay;
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GError *error = NULL;
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int status;
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const char *glx_extensions;
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GjsContext *gjs_context;
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screen = meta_plugin_get_screen (plugin);
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display = meta_screen_get_display (screen);
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xdisplay = meta_display_get_xdisplay (display);
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glXQueryExtension (xdisplay,
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&shell_plugin->glx_error_base,
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&shell_plugin->glx_event_base);
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glx_extensions = glXQueryExtensionsString (xdisplay,
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meta_screen_get_screen_number (screen));
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shell_plugin->have_swap_event = strstr (glx_extensions, "GLX_INTEL_swap_event") != NULL;
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shell_perf_log_define_event (shell_perf_log_get_default (),
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"glx.swapComplete",
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"GL buffer swap complete event received (with timestamp of completion)",
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"x");
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shell_plugin->global = shell_global_get ();
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_shell_global_set_plugin (shell_plugin->global, META_PLUGIN (shell_plugin));
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gjs_context = _shell_global_get_gjs_context (shell_plugin->global);
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if (!gjs_context_eval (gjs_context,
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"imports.ui.environment.init();"
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"imports.ui.main.start();",
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-1,
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"<main>",
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&status,
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&error))
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{
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g_message ("Execution of main.js threw exception: %s", error->message);
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g_error_free (error);
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/* We just exit() here, since in a development environment you'll get the
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* error in your shell output, and it's way better than a busted WM,
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* which typically manifests as a white screen.
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*
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* In production, we shouldn't crash =) But if we do, we should get
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* restarted by the session infrastructure, which is likely going
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* to be better than some undefined state.
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*
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* If there was a generic "hook into bug-buddy for non-C crashes"
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* infrastructure, here would be the place to put it.
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*/
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exit (1);
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}
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}
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static void
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gnome_shell_plugin_dispose (GObject *object)
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{
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G_OBJECT_CLASS(gnome_shell_plugin_parent_class)->dispose (object);
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}
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static void
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gnome_shell_plugin_finalize (GObject *object)
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{
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G_OBJECT_CLASS(gnome_shell_plugin_parent_class)->finalize (object);
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}
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static ShellWM *
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get_shell_wm (void)
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{
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ShellWM *wm;
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g_object_get (shell_global_get (),
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"window-manager", &wm,
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NULL);
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/* drop extra ref added by g_object_get */
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g_object_unref (wm);
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return wm;
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}
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static void
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gnome_shell_plugin_minimize (MetaPlugin *plugin,
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MetaWindowActor *actor)
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{
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_shell_wm_minimize (get_shell_wm (),
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actor);
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}
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static void
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gnome_shell_plugin_maximize (MetaPlugin *plugin,
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MetaWindowActor *actor,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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_shell_wm_maximize (get_shell_wm (),
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actor, x, y, width, height);
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}
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static void
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gnome_shell_plugin_unmaximize (MetaPlugin *plugin,
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MetaWindowActor *actor,
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gint x,
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gint y,
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gint width,
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gint height)
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{
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_shell_wm_unmaximize (get_shell_wm (),
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actor, x, y, width, height);
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}
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static void
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gnome_shell_plugin_map (MetaPlugin *plugin,
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MetaWindowActor *actor)
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{
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_shell_wm_map (get_shell_wm (),
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actor);
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}
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static void
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gnome_shell_plugin_destroy (MetaPlugin *plugin,
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MetaWindowActor *actor)
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{
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_shell_wm_destroy (get_shell_wm (),
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actor);
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}
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static void
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gnome_shell_plugin_switch_workspace (MetaPlugin *plugin,
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gint from,
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gint to,
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MetaMotionDirection direction)
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{
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_shell_wm_switch_workspace (get_shell_wm(), from, to, direction);
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}
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static void
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gnome_shell_plugin_kill_window_effects (MetaPlugin *plugin,
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MetaWindowActor *actor)
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{
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_shell_wm_kill_window_effects (get_shell_wm(), actor);
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}
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static void
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gnome_shell_plugin_kill_switch_workspace (MetaPlugin *plugin)
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{
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_shell_wm_kill_switch_workspace (get_shell_wm());
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}
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static gboolean
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gnome_shell_plugin_xevent_filter (MetaPlugin *plugin,
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XEvent *xev)
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{
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GnomeShellPlugin *shell_plugin = GNOME_SHELL_PLUGIN (plugin);
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#ifdef GLX_INTEL_swap_event
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if (shell_plugin->have_swap_event &&
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xev->type == (shell_plugin->glx_event_base + GLX_BufferSwapComplete))
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{
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GLXBufferSwapComplete *swap_complete_event;
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swap_complete_event = (GLXBufferSwapComplete *)xev;
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/* Buggy early versions of the INTEL_swap_event implementation in Mesa
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* can send this with a ust of 0. Simplify life for consumers
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* by ignoring such events */
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if (swap_complete_event->ust != 0)
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shell_perf_log_event_x (shell_perf_log_get_default (),
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"glx.swapComplete",
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swap_complete_event->ust);
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}
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#endif
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if ((xev->xany.type == EnterNotify || xev->xany.type == LeaveNotify)
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&& xev->xcrossing.window == clutter_x11_get_stage_window (CLUTTER_STAGE (meta_plugin_get_stage (plugin))))
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{
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/* If the pointer enters a child of the stage window (eg, a
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* trayicon), we want to consider it to still be in the stage,
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* so don't let Clutter see the event.
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*/
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if (xev->xcrossing.detail == NotifyInferior)
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return TRUE;
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/* If the pointer is grabbed by a window it is not currently in,
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* filter that out as well. In particular, if a trayicon grabs
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* the pointer after a click on its label, we don't want to hide
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* the message tray. Filtering out this event will leave Clutter
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* out of sync, but that happens fairly often with grabs, and we
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* can work around it. (Eg, shell_global_sync_pointer().)
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*/
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if (xev->xcrossing.mode == NotifyGrab &&
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(xev->xcrossing.detail == NotifyNonlinear ||
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xev->xcrossing.detail == NotifyNonlinearVirtual))
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return TRUE;
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}
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/*
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* Pass the event to shell-global
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*/
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if (_shell_global_check_xdnd_event (shell_plugin->global, xev))
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return TRUE;
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return clutter_x11_handle_event (xev) != CLUTTER_X11_FILTER_CONTINUE;
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}
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static const
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MetaPluginInfo *gnome_shell_plugin_plugin_info (MetaPlugin *plugin)
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{
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static const MetaPluginInfo info = {
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.name = "GNOME Shell",
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.version = "0.1",
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.author = "Various",
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.license = "GPLv2+",
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.description = "Provides GNOME Shell core functionality"
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};
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return &info;
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}
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#if HAVE_BLUETOOTH
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/* HACK:
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Add a non-static function that calls into libgnome-bluetooth-applet.so,
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to avoid the linker being too smart and removing the dependency.
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This function is never actually called.
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*/
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extern GType bluetooth_applet_get_type(void);
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void _shell_link_to_bluetooth(void);
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void _shell_link_to_bluetooth(void) {
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bluetooth_applet_get_type();
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}
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#endif
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