/* -*- 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 <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/>.
*/
/*
* 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 funcions in in GnomeShellPlugin are all just stubs, which just call the
* similar methods in GnomeShellWm.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <clutter/clutter.h>
#include <clutter/x11/clutter-x11.h>
#include <gjs/gjs.h>
#include <meta/display.h>
#include <meta/meta-plugin.h>
#include <meta/util.h>
#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);
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 = clutter_x11_get_default_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;
int 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 (gjs_context,
"imports.ui.environment.init();"
"imports.ui.main.start();",
-1,
"<main>",
&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_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;
}
static void
gnome_shell_plugin_init (GnomeShellPlugin *shell_plugin)
{
}