gnome-shell r2 - in trunk: . js js/ui scripts src
- From: otaylor svn gnome org
- To: svn-commits-list gnome org
- Subject: gnome-shell r2 - in trunk: . js js/ui scripts src
- Date: Fri, 31 Oct 2008 04:22:45 +0000 (UTC)
Author: otaylor
Date: Fri Oct 31 04:22:44 2008
New Revision: 2
URL: http://svn.gnome.org/viewvc/gnome-shell?rev=2&view=rev
Log:
Initial commit
A plugin for metacity-clutter (mutter) that initializes Javascript
and via Javascript adds an object to the mutter scene graph.
src/gnome-shell-plugin.c: metacity-clutter-plugin
src/shell-global.[ch]: Simple global-information object
js/: Directory for javascript
scripts/start-in-Xephyr: Launch metacity with our plugin
"nested" within an Xephy X server
Added:
trunk/AUTHORS
trunk/COPYING
trunk/MAINTAINERS
trunk/Makefile.am
trunk/README
trunk/autogen.sh (contents, props changed)
trunk/configure.ac
trunk/js/
trunk/js/ui/
trunk/js/ui/main.js
trunk/scripts/
trunk/scripts/start-in-Xephyr (contents, props changed)
trunk/src/ (props changed)
trunk/src/Makefile.am
trunk/src/default.c
trunk/src/gnome-shell-plugin.c
trunk/src/metacity-symbols.c
trunk/src/shell-global.c
trunk/src/shell-global.h
Modified:
trunk/ (props changed)
Added: trunk/AUTHORS
==============================================================================
Added: trunk/COPYING
==============================================================================
--- (empty file)
+++ trunk/COPYING Fri Oct 31 04:22:44 2008
@@ -0,0 +1,340 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
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+ Preamble
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+parts of the General Public License. Of course, the commands you use may
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+mouse-clicks or menu items--whatever suits your program.
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+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
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+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
Added: trunk/MAINTAINERS
==============================================================================
--- (empty file)
+++ trunk/MAINTAINERS Fri Oct 31 04:22:44 2008
@@ -0,0 +1,7 @@
+Owen Taylor
+E-mail: otaylor redhat com
+Userid: otaylor
+
+Colin Walters
+E-mail: walters redhat com
+Userid: walters
Added: trunk/Makefile.am
==============================================================================
--- (empty file)
+++ trunk/Makefile.am Fri Oct 31 04:22:44 2008
@@ -0,0 +1,3 @@
+SUBDIRS = src
+
+
Added: trunk/README
==============================================================================
Added: trunk/autogen.sh
==============================================================================
--- (empty file)
+++ trunk/autogen.sh Fri Oct 31 04:22:44 2008
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+(cd $(dirname $0);
+ touch ChangeLog NEWS &&
+ autoreconf --install --symlink &&
+ autoreconf &&
+ ./configure --enable-maintainer-mode $@
+)
Added: trunk/configure.ac
==============================================================================
--- (empty file)
+++ trunk/configure.ac Fri Oct 31 04:22:44 2008
@@ -0,0 +1,38 @@
+AC_INIT(gnome-shell, 0.0.1)
+
+AC_CONFIG_AUX_DIR(config)
+
+AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip])
+AM_MAINTAINER_MODE
+
+AC_CONFIG_HEADERS(config.h)
+
+AC_PROG_CC
+AM_PROG_LIBTOOL
+AC_DISABLE_STATIC
+
+GETTEXT_PACKAGE=gnome-shell
+AC_SUBST(GETTEXT_PACKAGE)
+AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
+ [The prefix for our gettext translation domains.])
+
+PKG_CHECK_MODULES(MUTTER_PLUGIN, metacity-plugins gjs-gi-1.0)
+
+changequote(,)dnl
+if test "x$GCC" = "xyes"; then
+ case " $CFLAGS " in
+ *[\ \ ]-Wall[\ \ ]*) ;;
+ *) CFLAGS="$CFLAGS -Wall" ;;
+ esac
+
+ case " $OBJCFLAGS " in
+ *[\ \ ]-Wall[\ \ ]*) ;;
+ *) OBJCFLAGS="$OBJCFLAGS -Wall" ;;
+ esac
+fi
+changequote([,])dnl
+
+AC_OUTPUT([
+ Makefile
+ src/Makefile
+])
Added: trunk/js/ui/main.js
==============================================================================
--- (empty file)
+++ trunk/js/ui/main.js Fri Oct 31 04:22:44 2008
@@ -0,0 +1,13 @@
+const Shell = imports.gi.Shell;
+const Clutter = imports.gi.Clutter;
+
+function start() {
+ let global = Shell.global_get();
+
+ let message = new Clutter.Label({font_name: "Sans Bold 64px", text: "DRAFT"});
+ message.set_opacity(75);
+ // Not working for unclear reasons
+ // message.set_rotation(Clutter.RotateAxis.Z_AXIS, - 45, 0, 0, 0);
+ message.set_position(100, 100);
+ global.get_overlay_group().add_actor(message);
+}
Added: trunk/scripts/start-in-Xephyr
==============================================================================
--- (empty file)
+++ trunk/scripts/start-in-Xephyr Fri Oct 31 04:22:44 2008
@@ -0,0 +1,60 @@
+#!/usr/bin/python
+
+import os,sys,subprocess,signal
+import random
+import shutil
+import tempfile
+import time
+
+# Uninstalled paths
+scripts_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
+top_dir = os.path.dirname(scripts_dir)
+plugin_dir = os.path.join(top_dir, "src")
+plugin = os.path.join(plugin_dir, "libgnome-shell.la")
+js_dir = os.path.join(top_dir, "js")
+
+tmpdir = tempfile.mkdtemp("", "gnome-shell.")
+try:
+ display = ":" + str(random.randint(10, 99))
+ xauth_file = os.path.join(tmpdir, "database")
+
+ # Create a random 128-byte key and format it as hex
+ f = open("/dev/urandom", "r")
+ key = f.read(16)
+ f.close()
+ hexkey = "".join(("%02x" % ord(byte) for byte in key))
+
+ # Store that in an xauthority file as the key for connecting to our Xephyr
+ os.environ['XAUTHORITY'] = xauth_file
+ retcode = subprocess.call(["xauth", "add", display, "MIT-MAGIC-COOKIE-1", hexkey])
+ if retcode != 0:
+ raise RuntimeError("xauth failed")
+
+ # Launch Xephyr
+ xephyr = subprocess.Popen(["Xephyr", display, "-screen", "800x600", "-host-cursor"])
+ os.environ['DISPLAY'] = display
+
+ # Wait for server to get going: LAME
+ time.sleep(1)
+
+ # Start xterm to have some window in our session
+ subprocess.Popen(["xterm"])
+
+ # Now launch metacity-clutter with our plugin
+ env=dict(os.environ)
+ env.update({'GNOME_SHELL_JS' : js_dir,
+ 'GI_TYPELIB_PATH' : plugin_dir,
+ 'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH', '') + ':' + plugin_dir})
+ args = 'DEBUG' in os.environ and os.environ['DEBUG'].split() or []
+ args.extend(['metacity', '--clutter-plugins=' + plugin, '--replace'])
+ print args
+ subprocess.Popen(args, env=env)
+
+ # Wait for Xephyr to exit
+ try:
+ retcode = xephyr.wait()
+ except KeyboardInterrupt, e:
+ os.kill(xephyr.pid, signal.SIGKILL)
+finally:
+ shutil.rmtree(tmpdir)
+
Added: trunk/src/Makefile.am
==============================================================================
--- (empty file)
+++ trunk/src/Makefile.am Fri Oct 31 04:22:44 2008
@@ -0,0 +1,50 @@
+INCLUDES = \
+ $(MUTTER_PLUGIN_CFLAGS) \
+ -DGETTEXT_PACKAGE=gnome-shell \
+ -DJSDIR=\"$(pkgdatadir)/js\"
+
+plugindir = $(libdir)/metacity/plugins/clutter
+plugin_LTLIBRARIES = libgnome-shell.la
+
+libgnome_shell_la_SOURCES = \
+ gnome-shell-plugin.c \
+ shell-global.c \
+ shell-global.h
+
+libgnome_shell_la_LDFLAGS = -avoid-version -module
+libgnome_shell_la_LIBADD = $(MUTTER_PLUGIN_LIBS)
+
+# We can't have any undefined symbols when g-ir-scanner dlopens the library
+# to introspect it, so we link everything a _second_ time, including a
+# stub file that just defines all the symbols that we use from metacity
+noinst_LTLIBRARIES = libgnome-shell-introspect.la
+
+libgnome_shell_introspect_la_SOURCES = \
+ $(libgnome_shell_la_SOURCES) \
+ metacity-symbols.c
+# The dummy -rpath here is needed to convince libtool to build a
+# noinst_LTLIBRARY shared
+libgnome_shell_introspect_la_LDFLAGS = -avoid-version -module -rpath $(libdir)
+libgnome_shell_introspect_la_LIBADD = $(MUTTER_PLUGIN_LIBS)
+
+typelibdir = $(libdir)/girepository
+typelib_DATA = Shell-0.1.typelib
+
+# After we run g-ir-scanner, we need to change the library name written in
+# the .gir file from the "fake" second copy of the library to the real name
+Shell-0.1.gir: libgnome-shell-introspect.la $(libgnome_shell_la_SOURCES)
+ g-ir-scanner \
+ --namespace=Shell \
+ --nsversion=0.1 \
+ --include=GObject-2.0 \
+ --include=Clutter-0.8 \
+ --library=gnome-shell-introspect \
+ $(libgnome_shell_la_SOURCES) \
+ $(INCLUDES) \
+ -o $ tmp
+ sed 's/gnome-shell-introspect/gnome-shell/' < $ tmp > $@ && rm $ tmp
+
+# The dependency on libgnome-shell.la here is because g-ir-compiler opens it
+# (not the fake library, since we've already done the rewriting)
+Shell-0.1.typelib: libgnome-shell.la Shell-0.1.gir
+ LD_LIBRARY_PATH=. g-ir-compiler Shell-0.1.gir -o $@
Added: trunk/src/default.c
==============================================================================
--- (empty file)
+++ trunk/src/default.c Fri Oct 31 04:22:44 2008
@@ -0,0 +1,740 @@
+/* -*- 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#define MUTTER_BUILDING_PLUGIN 1
+#include "mutter-plugin.h"
+
+#include <libintl.h>
+#define _(x) dgettext (GETTEXT_PACKAGE, x)
+#define N_(x) x
+
+#include <clutter/clutter.h>
+#include <gmodule.h>
+#include <string.h>
+
+#define DESTROY_TIMEOUT 250
+#define MINIMIZE_TIMEOUT 250
+#define MAXIMIZE_TIMEOUT 250
+#define MAP_TIMEOUT 250
+#define SWITCH_TIMEOUT 500
+
+#define ACTOR_DATA_KEY "MCCP-Default-actor-data"
+static GQuark actor_data_quark = 0;
+
+static gboolean do_init (const char *params);
+static void minimize (MutterWindow *actor);
+static void map (MutterWindow *actor);
+static void destroy (MutterWindow *actor);
+static void maximize (MutterWindow *actor,
+ gint x, gint y, gint width, gint height);
+static void unmaximize (MutterWindow *actor,
+ gint x, gint y, gint width, gint height);
+
+static void switch_workspace (const GList **actors, gint from, gint to,
+ MetaMotionDirection direction);
+
+static void kill_effect (MutterWindow *actor, gulong event);
+
+static gboolean reload (const char *params);
+
+
+/*
+ * Create the plugin struct; function pointers initialized in
+ * g_module_check_init().
+ */
+MUTTER_DECLARE_PLUGIN();
+
+/*
+ * Plugin private data that we store in the .plugin_private member.
+ */
+typedef struct _PluginState
+{
+ ClutterEffectTemplate *destroy_effect;
+ ClutterEffectTemplate *minimize_effect;
+ ClutterEffectTemplate *maximize_effect;
+ ClutterEffectTemplate *map_effect;
+ ClutterEffectTemplate *switch_workspace_effect;
+
+ /* Valid only when switch_workspace effect is in progress */
+ ClutterTimeline *tml_switch_workspace1;
+ ClutterTimeline *tml_switch_workspace2;
+ GList **actors;
+ ClutterActor *desktop1;
+ ClutterActor *desktop2;
+
+ gboolean debug_mode : 1;
+} PluginState;
+
+
+/*
+ * Per actor private data we attach to each actor.
+ */
+typedef struct _ActorPrivate
+{
+ ClutterActor *orig_parent;
+
+ ClutterTimeline *tml_minimize;
+ ClutterTimeline *tml_maximize;
+ ClutterTimeline *tml_destroy;
+ ClutterTimeline *tml_map;
+
+ gboolean is_minimized : 1;
+ gboolean is_maximized : 1;
+} ActorPrivate;
+
+static PluginState *plugin_state;
+
+/*
+ * Actor private data accessor
+ */
+static void
+free_actor_private (gpointer data)
+{
+ if (G_LIKELY (data != NULL))
+ g_slice_free (ActorPrivate, data);
+}
+
+static ActorPrivate *
+get_actor_private (MutterWindow *actor)
+{
+ ActorPrivate *priv = g_object_get_qdata (G_OBJECT (actor), actor_data_quark);
+
+ if (G_UNLIKELY (actor_data_quark == 0))
+ actor_data_quark = g_quark_from_static_string (ACTOR_DATA_KEY);
+
+ if (G_UNLIKELY (!priv))
+ {
+ priv = g_slice_new0 (ActorPrivate);
+
+ g_object_set_qdata_full (G_OBJECT (actor),
+ actor_data_quark, priv,
+ free_actor_private);
+ }
+
+ return priv;
+}
+
+static void
+on_switch_workspace_effect_complete (ClutterActor *group, gpointer data)
+{
+ PluginState *state = plugin_state;
+ GList *l = *((GList**)data);
+ MutterWindow *actor_for_cb = l->data;
+
+ while (l)
+ {
+ ClutterActor *a = l->data;
+ MutterWindow *mc_window = MUTTER_WINDOW (a);
+ ActorPrivate *priv = get_actor_private (mc_window);
+
+ if (priv->orig_parent)
+ {
+ clutter_actor_reparent (a, priv->orig_parent);
+ priv->orig_parent = NULL;
+ }
+
+ l = l->next;
+ }
+
+ clutter_actor_destroy (state->desktop1);
+ clutter_actor_destroy (state->desktop2);
+
+ state->actors = NULL;
+ state->tml_switch_workspace1 = NULL;
+ state->tml_switch_workspace2 = NULL;
+ state->desktop1 = NULL;
+ state->desktop2 = NULL;
+
+ mutter_plugin_effect_completed (mutter_get_plugin(), actor_for_cb,
+ MUTTER_PLUGIN_SWITCH_WORKSPACE);
+}
+
+static void
+switch_workspace (const GList **actors, gint from, gint to,
+ MetaMotionDirection direction)
+{
+ MutterPlugin *plugin = mutter_get_plugin();
+ PluginState *state = plugin_state;
+ GList *l;
+ gint n_workspaces;
+ ClutterActor *workspace0 = clutter_group_new ();
+ ClutterActor *workspace1 = clutter_group_new ();
+ ClutterActor *stage;
+ int screen_width, screen_height;
+
+ stage = mutter_plugin_get_stage (plugin);
+
+ mutter_plugin_query_screen_size (plugin,
+ &screen_width,
+ &screen_height);
+ clutter_actor_set_anchor_point (workspace1,
+ screen_width,
+ screen_height);
+ clutter_actor_set_position (workspace1,
+ screen_width,
+ screen_height);
+
+ clutter_actor_set_scale (workspace1, 0.0, 0.0);
+
+ clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace1);
+ clutter_container_add_actor (CLUTTER_CONTAINER (stage), workspace0);
+
+ if (from == to)
+ {
+ mutter_plugin_effect_completed (mutter_get_plugin(), NULL,
+ MUTTER_PLUGIN_SWITCH_WORKSPACE);
+ return;
+ }
+
+ n_workspaces = g_list_length (plugin->work_areas);
+
+ l = g_list_last (*((GList**) actors));
+
+ while (l)
+ {
+ MutterWindow *mc_window = l->data;
+ ActorPrivate *priv = get_actor_private (mc_window);
+ ClutterActor *window = CLUTTER_ACTOR (mc_window);
+ gint win_workspace;
+
+ win_workspace = mutter_window_get_workspace (mc_window);
+
+ if (win_workspace == to || win_workspace == from)
+ {
+ gint x, y;
+ guint w, h;
+
+ clutter_actor_get_position (window, &x, &y);
+ clutter_actor_get_size (window, &w, &h);
+
+ priv->orig_parent = clutter_actor_get_parent (window);
+
+ clutter_actor_reparent (window,
+ win_workspace == to ? workspace1 : workspace0);
+ clutter_actor_show_all (window);
+ clutter_actor_raise_top (window);
+ }
+ else if (win_workspace < 0)
+ {
+ /* Sticky window */
+ priv->orig_parent = NULL;
+ }
+ else
+ {
+ /* Window on some other desktop */
+ clutter_actor_hide (window);
+ priv->orig_parent = NULL;
+ }
+
+ l = l->prev;
+ }
+
+ state->actors = (GList **)actors;
+ state->desktop1 = workspace0;
+ state->desktop2 = workspace1;
+
+ state->tml_switch_workspace2 =
+ clutter_effect_scale (state->switch_workspace_effect,
+ workspace1, 1.0, 1.0,
+ on_switch_workspace_effect_complete,
+ (gpointer)actors);
+
+ state->tml_switch_workspace1 =
+ clutter_effect_scale (state->switch_workspace_effect,
+ workspace0, 0.0, 0.0,
+ NULL, NULL);
+}
+
+
+/*
+ * Minimize effect completion callback; this function restores actor state, and
+ * calls the manager callback function.
+ */
+static void
+on_minimize_effect_complete (ClutterActor *actor, gpointer data)
+{
+ /*
+ * Must reverse the effect of the effect; must hide it first to ensure
+ * that the restoration will not be visible.
+ */
+ ActorPrivate *apriv;
+ MutterWindow *mc_window = MUTTER_WINDOW (actor);
+
+ apriv = get_actor_private (MUTTER_WINDOW (actor));
+ apriv->tml_minimize = NULL;
+
+ clutter_actor_hide (actor);
+
+ /* FIXME - we shouldn't assume the original scale, it should be saved
+ * at the start of the effect */
+ clutter_actor_set_scale (actor, 1.0, 1.0);
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_NORTH_WEST);
+
+ /* Now notify the manager that we are done with this effect */
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_MINIMIZE);
+}
+
+/*
+ * Simple minimize handler: it applies a scale effect (which must be reversed on
+ * completion).
+ */
+static void
+minimize (MutterWindow *mc_window)
+{
+ PluginState *state = plugin_state;
+ MetaCompWindowType type;
+ ClutterActor *actor = CLUTTER_ACTOR (mc_window);
+
+ type = mutter_window_get_window_type (mc_window);
+
+ if (type == META_COMP_WINDOW_NORMAL)
+ {
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ apriv->is_minimized = TRUE;
+
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_CENTER);
+
+ apriv->tml_minimize = clutter_effect_scale (state->minimize_effect,
+ actor,
+ 0.0,
+ 0.0,
+ (ClutterEffectCompleteFunc)
+ on_minimize_effect_complete,
+ NULL);
+ }
+ else
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_MINIMIZE);
+}
+
+/*
+ * Minimize effect completion callback; this function restores actor state, and
+ * calls the manager callback function.
+ */
+static void
+on_maximize_effect_complete (ClutterActor *actor, gpointer data)
+{
+ /*
+ * Must reverse the effect of the effect.
+ */
+ MutterWindow *mc_window = MUTTER_WINDOW (actor);
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ apriv->tml_maximize = NULL;
+
+ /* FIXME - don't assume the original scale was 1.0 */
+ clutter_actor_set_scale (actor, 1.0, 1.0);
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_NORTH_WEST);
+
+ /* Now notify the manager that we are done with this effect */
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_MAXIMIZE);
+}
+
+/*
+ * The Nature of Maximize operation is such that it is difficult to do a visual
+ * effect that would work well. Scaling, the obvious effect, does not work that
+ * well, because at the end of the effect we end up with window content bigger
+ * and differently laid out than in the real window; this is a proof concept.
+ *
+ * (Something like a sound would be more appropriate.)
+ */
+static void
+maximize (MutterWindow *mc_window,
+ gint end_x, gint end_y, gint end_width, gint end_height)
+{
+ MetaCompWindowType type;
+ ClutterActor *actor = CLUTTER_ACTOR (mc_window);
+
+ gdouble scale_x = 1.0;
+ gdouble scale_y = 1.0;
+ gint anchor_x = 0;
+ gint anchor_y = 0;
+
+ type = mutter_window_get_window_type (mc_window);
+
+ if (type == META_COMP_WINDOW_NORMAL)
+ {
+ ActorPrivate *apriv = get_actor_private (mc_window);
+ guint width, height;
+ gint x, y;
+
+ apriv->is_maximized = TRUE;
+
+ clutter_actor_get_size (actor, &width, &height);
+ clutter_actor_get_position (actor, &x, &y);
+
+ /*
+ * Work out the scale and anchor point so that the window is expanding
+ * smoothly into the target size.
+ */
+ scale_x = (gdouble)end_width / (gdouble) width;
+ scale_y = (gdouble)end_height / (gdouble) height;
+
+ anchor_x = (gdouble)(x - end_x)*(gdouble)width /
+ ((gdouble)(end_width - width));
+ anchor_y = (gdouble)(y - end_y)*(gdouble)height /
+ ((gdouble)(end_height - height));
+
+ clutter_actor_move_anchor_point (actor, anchor_x, anchor_y);
+
+ apriv->tml_maximize =
+ clutter_effect_scale (plugin_state->maximize_effect,
+ actor,
+ scale_x,
+ scale_y,
+ (ClutterEffectCompleteFunc)
+ on_maximize_effect_complete,
+ NULL);
+
+ return;
+ }
+
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_MAXIMIZE);
+}
+
+/*
+ * See comments on the maximize() function.
+ *
+ * (Just a skeleton code.)
+ */
+static void
+unmaximize (MutterWindow *mc_window,
+ gint end_x, gint end_y, gint end_width, gint end_height)
+{
+ MetaCompWindowType type = mutter_window_get_window_type (mc_window);
+
+ if (type == META_COMP_WINDOW_NORMAL)
+ {
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ apriv->is_maximized = FALSE;
+ }
+
+ /* Do this conditionally, if the effect requires completion callback. */
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_UNMAXIMIZE);
+}
+
+static void
+on_map_effect_complete (ClutterActor *actor, gpointer data)
+{
+ /*
+ * Must reverse the effect of the effect.
+ */
+ MutterWindow *mc_window = MUTTER_WINDOW (actor);
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ apriv->tml_map = NULL;
+
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_NORTH_WEST);
+
+ /* Now notify the manager that we are done with this effect */
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window, MUTTER_PLUGIN_MAP);
+}
+
+/*
+ * Simple map handler: it applies a scale effect which must be reversed on
+ * completion).
+ */
+static void
+map (MutterWindow *mc_window)
+{
+ MetaCompWindowType type;
+ ClutterActor *actor = CLUTTER_ACTOR (mc_window);
+
+ type = mutter_window_get_window_type (mc_window);
+
+ if (type == META_COMP_WINDOW_NORMAL)
+ {
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_CENTER);
+
+ clutter_actor_set_scale (actor, 0.0, 0.0);
+ clutter_actor_show (actor);
+
+ apriv->tml_map = clutter_effect_scale (plugin_state->map_effect,
+ actor,
+ 1.0,
+ 1.0,
+ (ClutterEffectCompleteFunc)
+ on_map_effect_complete,
+ NULL);
+
+ apriv->is_minimized = FALSE;
+
+ }
+ else
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_MAP);
+}
+
+/*
+ * Destroy effect completion callback; this is a simple effect that requires no
+ * further action than notifying the manager that the effect is completed.
+ */
+static void
+on_destroy_effect_complete (ClutterActor *actor, gpointer data)
+{
+ MutterPlugin *plugin = mutter_get_plugin();
+ MutterWindow *mc_window = MUTTER_WINDOW (actor);
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ apriv->tml_destroy = NULL;
+
+ mutter_plugin_effect_completed (plugin, mc_window,
+ MUTTER_PLUGIN_DESTROY);
+}
+
+/*
+ * Simple TV-out like effect.
+ */
+static void
+destroy (MutterWindow *mc_window)
+{
+ MetaCompWindowType type;
+ ClutterActor *actor = CLUTTER_ACTOR (mc_window);
+
+ type = mutter_window_get_window_type (mc_window);
+
+ if (type == META_COMP_WINDOW_NORMAL)
+ {
+ ActorPrivate *apriv = get_actor_private (mc_window);
+
+ clutter_actor_move_anchor_point_from_gravity (actor,
+ CLUTTER_GRAVITY_CENTER);
+
+ apriv->tml_destroy = clutter_effect_scale (plugin_state->destroy_effect,
+ actor,
+ 1.0,
+ 0.0,
+ (ClutterEffectCompleteFunc)
+ on_destroy_effect_complete,
+ NULL);
+ }
+ else
+ mutter_plugin_effect_completed (mutter_get_plugin(), mc_window,
+ MUTTER_PLUGIN_DESTROY);
+}
+
+static void
+kill_effect (MutterWindow *mc_window, gulong event)
+{
+ ActorPrivate *apriv;
+ ClutterActor *actor = CLUTTER_ACTOR (mc_window);
+
+ if (event & MUTTER_PLUGIN_SWITCH_WORKSPACE)
+ {
+ PluginState *state = plugin_state;
+
+ if (state->tml_switch_workspace1)
+ {
+ clutter_timeline_stop (state->tml_switch_workspace1);
+ clutter_timeline_stop (state->tml_switch_workspace2);
+ on_switch_workspace_effect_complete (state->desktop1, state->actors);
+ }
+
+ if (!(event & ~MUTTER_PLUGIN_SWITCH_WORKSPACE))
+ {
+ /* Workspace switch only, nothing more to do */
+ return;
+ }
+ }
+
+ apriv = get_actor_private (mc_window);
+
+ if ((event & MUTTER_PLUGIN_MINIMIZE) && apriv->tml_minimize)
+ {
+ clutter_timeline_stop (apriv->tml_minimize);
+ on_minimize_effect_complete (actor, NULL);
+ }
+
+ if ((event & MUTTER_PLUGIN_MAXIMIZE) && apriv->tml_maximize)
+ {
+ clutter_timeline_stop (apriv->tml_maximize);
+ on_maximize_effect_complete (actor, NULL);
+ }
+
+ if ((event & MUTTER_PLUGIN_MAP) && apriv->tml_map)
+ {
+ clutter_timeline_stop (apriv->tml_map);
+ on_map_effect_complete (actor, NULL);
+ }
+
+ if ((event & MUTTER_PLUGIN_DESTROY) && apriv->tml_destroy)
+ {
+ clutter_timeline_stop (apriv->tml_destroy);
+ on_destroy_effect_complete (actor, NULL);
+ }
+}
+
+
+const gchar * g_module_check_init (GModule *module);
+const gchar *
+g_module_check_init (GModule *module)
+{
+ MutterPlugin *plugin = mutter_get_plugin ();
+
+ /* Human readable name (for use in UI) */
+ plugin->name = "Default Effects";
+
+ /* Plugin load time initialiser */
+ plugin->do_init = do_init;
+
+ /* Effect handlers */
+ plugin->minimize = minimize;
+ plugin->destroy = destroy;
+ plugin->map = map;
+ plugin->maximize = maximize;
+ plugin->unmaximize = unmaximize;
+ plugin->switch_workspace = switch_workspace;
+ plugin->kill_effect = kill_effect;
+
+ /* The reload handler */
+ plugin->reload = reload;
+
+ return NULL;
+}
+
+/*
+ * Core of the plugin init function, called for initial initialization and
+ * by the reload() function. Returns TRUE on success.
+ */
+static gboolean
+do_init (const char *params)
+{
+ guint destroy_timeout = DESTROY_TIMEOUT;
+ guint minimize_timeout = MINIMIZE_TIMEOUT;
+ guint maximize_timeout = MAXIMIZE_TIMEOUT;
+ guint map_timeout = MAP_TIMEOUT;
+ guint switch_timeout = SWITCH_TIMEOUT;
+
+ plugin_state = g_new0 (PluginState, 1);
+
+ if (params)
+ {
+ if (strstr (params, "debug"))
+ {
+ g_debug ("%s: Entering debug mode.", mutter_get_plugin()->name);
+
+ plugin_state->debug_mode = TRUE;
+
+ /*
+ * Double the effect duration to make them easier to observe.
+ */
+ destroy_timeout *= 2;
+ minimize_timeout *= 2;
+ maximize_timeout *= 2;
+ map_timeout *= 2;
+ switch_timeout *= 2;
+ }
+ }
+
+ plugin_state->destroy_effect
+ = clutter_effect_template_new (clutter_timeline_new_for_duration (
+ destroy_timeout),
+ CLUTTER_ALPHA_SINE_INC);
+
+
+ plugin_state->minimize_effect
+ = clutter_effect_template_new (clutter_timeline_new_for_duration (
+ minimize_timeout),
+ CLUTTER_ALPHA_SINE_INC);
+
+ plugin_state->maximize_effect
+ = clutter_effect_template_new (clutter_timeline_new_for_duration (
+ maximize_timeout),
+ CLUTTER_ALPHA_SINE_INC);
+
+ plugin_state->map_effect
+ = clutter_effect_template_new (clutter_timeline_new_for_duration (
+ map_timeout),
+ CLUTTER_ALPHA_SINE_INC);
+
+ plugin_state->switch_workspace_effect
+ = clutter_effect_template_new (clutter_timeline_new_for_duration (
+ switch_timeout),
+ CLUTTER_ALPHA_SINE_INC);
+
+ return TRUE;
+}
+
+static void
+free_plugin_private (PluginState *state)
+{
+ if (!state)
+ return;
+
+ g_object_unref (state->destroy_effect);
+ g_object_unref (state->minimize_effect);
+ g_object_unref (state->maximize_effect);
+ g_object_unref (state->switch_workspace_effect);
+
+ g_free (state);
+}
+
+/*
+ * Called by the plugin manager when we stuff like the command line parameters
+ * changed.
+ */
+static gboolean
+reload (const char *params)
+{
+ PluginState *state;
+
+ state = plugin_state;
+
+ if (do_init (params))
+ {
+ /* Success; free the old state */
+ free_plugin_private (plugin_state);
+ return TRUE;
+ }
+ else
+ {
+ /* Fail -- fall back to the old state. */
+ plugin_state = state;
+ }
+
+ return FALSE;
+}
+
+/*
+ * GModule unload function -- do any cleanup required.
+ */
+G_MODULE_EXPORT void g_module_unload (GModule *module);
+G_MODULE_EXPORT void
+g_module_unload (GModule *module)
+{
+ free_plugin_private (plugin_state);
+}
+
Added: trunk/src/gnome-shell-plugin.c
==============================================================================
--- (empty file)
+++ trunk/src/gnome-shell-plugin.c Fri Oct 31 04:22:44 2008
@@ -0,0 +1,173 @@
+/* -*- 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#define MUTTER_BUILDING_PLUGIN 1
+#include <mutter-plugin.h>
+
+#include <glib/gi18n-lib.h>
+
+#include <clutter/clutter.h>
+#include <gjs/gjs.h>
+#include <gmodule.h>
+#include <string.h>
+
+#include "shell-global.h"
+
+static gboolean do_init (const char *params);
+static gboolean reload (const char *params);
+
+
+/*
+ * Create the plugin struct; function pointers initialized in
+ * g_module_check_init().
+ */
+MUTTER_DECLARE_PLUGIN();
+
+/*
+ * Plugin private data that we store in the .plugin_private member.
+ */
+typedef struct _PluginState
+{
+ gboolean debug_mode : 1;
+ GjsContext *gjs_context;
+} PluginState;
+
+
+static PluginState *plugin_state;
+
+const gchar * g_module_check_init (GModule *module);
+const gchar *
+g_module_check_init (GModule *module)
+{
+ MutterPlugin *plugin = mutter_get_plugin ();
+
+ /* Human readable name (for use in UI) */
+ plugin->name = "GNOME Shell";
+
+ /* Plugin load time initialiser */
+ plugin->do_init = do_init;
+
+ /* The reload handler */
+ plugin->reload = reload;
+
+ return NULL;
+}
+
+/*
+ * Core of the plugin init function, called for initial initialization and
+ * by the reload() function. Returns TRUE on success.
+ */
+static gboolean
+do_init (const char *params)
+{
+ MutterPlugin *plugin = mutter_get_plugin();
+ ClutterActor *overlay_group;
+ GError *error = NULL;
+ int status;
+ const char *shell_js;
+ char **search_path;
+
+ plugin_state = g_new0 (PluginState, 1);
+
+ if (params)
+ {
+ if (strstr (params, "debug"))
+ {
+ g_debug ("%s: Entering debug mode.", mutter_get_plugin()->name);
+
+ plugin_state->debug_mode = TRUE;
+ }
+ }
+
+ overlay_group = mutter_plugin_get_overlay_group (plugin);
+ shell_global_set_overlay_group (shell_global_get(), overlay_group);
+
+ shell_js = g_getenv("GNOME_SHELL_JS");
+ if (!shell_js)
+ shell_js = JSDIR;
+
+ search_path = g_strsplit(shell_js, ":", -1);
+ plugin_state->gjs_context = gjs_context_new_with_search_path(search_path);
+ g_strfreev(search_path);
+
+ if (!gjs_context_eval (plugin_state->gjs_context,
+ "const Main = imports.ui.main; Main.start();",
+ -1,
+ "<main>",
+ &status,
+ &error))
+ {
+ g_warning ("Evaling main.js failed: %s", error->message);
+ g_error_free (error);
+ }
+
+ return TRUE;
+}
+
+static void
+free_plugin_private (PluginState *state)
+{
+ if (!state)
+ return;
+
+ g_free (state);
+}
+
+/*
+ * Called by the plugin manager when we stuff like the command line parameters
+ * changed.
+ */
+static gboolean
+reload (const char *params)
+{
+ PluginState *state;
+
+ state = plugin_state;
+
+ if (do_init (params))
+ {
+ /* Success; free the old state */
+ free_plugin_private (plugin_state);
+ return TRUE;
+ }
+ else
+ {
+ /* Fail -- fall back to the old state. */
+ plugin_state = state;
+ }
+
+ return FALSE;
+}
+
+/*
+ * GModule unload function -- do any cleanup required.
+ */
+G_MODULE_EXPORT void g_module_unload (GModule *module);
+G_MODULE_EXPORT void
+g_module_unload (GModule *module)
+{
+ free_plugin_private (plugin_state);
+}
+
Added: trunk/src/metacity-symbols.c
==============================================================================
--- (empty file)
+++ trunk/src/metacity-symbols.c Fri Oct 31 04:22:44 2008
@@ -0,0 +1,22 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+#include <mutter-plugin.h>
+
+void
+mutter_plugin_query_screen_size (MutterPlugin *plugin,
+ int *width,
+ int *height)
+{
+}
+
+ClutterActor *
+mutter_plugin_get_overlay_group (MutterPlugin *plugin)
+{
+ return NULL;
+}
+
+ClutterActor *
+mutter_plugin_get_stage (MutterPlugin *plugin)
+{
+ return NULL;
+}
Added: trunk/src/shell-global.c
==============================================================================
--- (empty file)
+++ trunk/src/shell-global.c Fri Oct 31 04:22:44 2008
@@ -0,0 +1,58 @@
+#include "shell-global.h"
+
+struct _ShellGlobal {
+ GObject parent;
+
+ ClutterActor *overlay_group;
+};
+
+struct _ShellGlobalClass {
+ GObjectClass parent_class;
+};
+
+G_DEFINE_TYPE(ShellGlobal, shell_global, G_TYPE_OBJECT);
+
+static void
+shell_global_init(ShellGlobal *global)
+{
+}
+
+static void
+shell_global_class_init(ShellGlobalClass *klass)
+{
+}
+
+ShellGlobal *
+shell_global_get (void)
+{
+ static ShellGlobal *the_object = NULL;
+
+ if (!the_object)
+ the_object = g_object_new (SHELL_TYPE_GLOBAL, 0);
+
+ return the_object;
+}
+
+void
+shell_global_set_overlay_group (ShellGlobal *global,
+ ClutterActor *overlay_group)
+{
+ g_object_ref (overlay_group);
+
+ if (global->overlay_group)
+ g_object_unref(global->overlay_group);
+
+ global->overlay_group = overlay_group;
+}
+
+ClutterActor *
+shell_global_get_overlay_group (ShellGlobal *global)
+{
+ return global->overlay_group;
+}
+
+void
+shell_global_print_hello (ShellGlobal *global)
+{
+ g_print("Hello World!\n");
+}
Added: trunk/src/shell-global.h
==============================================================================
--- (empty file)
+++ trunk/src/shell-global.h Fri Oct 31 04:22:44 2008
@@ -0,0 +1,32 @@
+#ifndef __SHELL_GLOBAL_H__
+#define __SHELL_GLOBAL_H__
+
+#include <clutter/clutter.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+typedef struct _ShellGlobal ShellGlobal;
+typedef struct _ShellGlobalClass ShellGlobalClass;
+
+#define SHELL_TYPE_GLOBAL (shell_global_get_type ())
+#define SHELL_GLOBAL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), SHELL_TYPE_GLOBAL, ShellGlobal))
+#define SHELL_GLOBAL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SHELL_TYPE_GLOBAL, ShellGlobalClass))
+#define SHELL_IS_GLOBAL(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), SHELL_TYPE_GLOBAL))
+#define SHELL_IS_GLOBAL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SHELL_TYPE_GLOBAL))
+#define SHELL_GLOBAL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SHELL_TYPE_GLOBAL, ShellGlobalClass))
+
+GType shell_global_get_type (void) G_GNUC_CONST;
+
+ShellGlobal *shell_global_get (void);
+
+void shell_global_set_overlay_group (ShellGlobal *global,
+ ClutterActor *overlay_group);
+
+ClutterActor *shell_global_get_overlay_group (ShellGlobal *global);
+
+void shell_global_print_hello (ShellGlobal *global);
+
+G_END_DECLS
+
+#endif /* __SHELL_GLOBAL_H__ */
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