Nick Schermer
14 years ago
17 changed files with 1411 additions and 176 deletions
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/*
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* Copyright (C) 2009 Nick Schermer <nick@xfce.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (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, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU 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 along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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#ifdef HAVE_SYS_TYPES_H |
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#include <sys/types.h> |
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#endif |
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#ifdef HAVE_SYS_WAIT_H |
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#include <sys/wait.h> |
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#endif |
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#ifdef HAVE_MATH_H |
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#include <math.h> |
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#endif |
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#include <exo/exo.h> |
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#include <gdk/gdk.h> |
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#include <gdk/gdkx.h> |
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#include <libxfce4util/libxfce4util.h> |
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#include <common/panel-private.h> |
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#include <libxfce4panel/libxfce4panel.h> |
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#include <libxfce4panel/xfce-panel-plugin-provider.h> |
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#include <panel/panel-marshal.h> |
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#include <panel/panel-module.h> |
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#include <panel/panel-plugin-external-46.h> |
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#include <panel/panel-window.h> |
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/* Number of automatic plugin restarts before the
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* panel asks the users what to do. This code is |
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* disabled when debugging is enabled. */ |
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#ifndef NDEBUG |
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#define N_RESTART_TRIES (0) |
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#else |
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#define N_RESTART_TRIES (2) |
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#endif |
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static void panel_plugin_external_46_provider_init (XfcePanelPluginProviderIface *iface); |
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static void panel_plugin_external_46_finalize (GObject *object); |
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static void panel_plugin_external_46_get_property (GObject *object, |
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guint prop_id, |
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GValue *value, |
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GParamSpec *pspec); |
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static void panel_plugin_external_46_set_property (GObject *object, |
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guint prop_id, |
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const GValue *value, |
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GParamSpec *pspec); |
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static void panel_plugin_external_46_realize (GtkWidget *widget); |
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static gboolean panel_plugin_external_46_client_event (GtkWidget *widget, |
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GdkEventClient *event); |
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static gboolean panel_plugin_external_46_plug_removed (GtkSocket *socket); |
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static void panel_plugin_external_46_plug_added (GtkSocket *socket); |
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static void panel_plugin_external_46_send_client_event (PanelPluginExternal46 *external, |
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gint message, |
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gint value); |
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static void panel_plugin_external_46_queue_add (PanelPluginExternal46 *external, |
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gint message, |
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gint value); |
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static const gchar *panel_plugin_external_46_get_name (XfcePanelPluginProvider *provider); |
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static gint panel_plugin_external_46_get_unique_id (XfcePanelPluginProvider *provider); |
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static void panel_plugin_external_46_set_size (XfcePanelPluginProvider *provider, |
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gint size); |
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static void panel_plugin_external_46_set_orientation (XfcePanelPluginProvider *provider, |
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GtkOrientation orientation); |
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static void panel_plugin_external_46_set_screen_position (XfcePanelPluginProvider *provider, |
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XfceScreenPosition screen_position); |
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static void panel_plugin_external_46_save (XfcePanelPluginProvider *provider); |
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static gboolean panel_plugin_external_46_get_show_configure (XfcePanelPluginProvider *provider); |
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static void panel_plugin_external_46_show_configure (XfcePanelPluginProvider *provider); |
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static gboolean panel_plugin_external_46_get_show_about (XfcePanelPluginProvider *provider); |
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static void panel_plugin_external_46_show_about (XfcePanelPluginProvider *provider); |
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static void panel_plugin_external_46_remove (XfcePanelPluginProvider *provider); |
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static gboolean panel_plugin_external_46_remote_event (XfcePanelPluginProvider *provider, |
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const gchar *name, |
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const GValue *value); |
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static void panel_plugin_external_46_set_sensitive (PanelPluginExternal46 *external); |
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static void panel_plugin_external_46_child_watch (GPid pid, |
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gint status, |
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gpointer user_data); |
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static void panel_plugin_external_46_child_watch_destroyed (gpointer user_data); |
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struct _PanelPluginExternal46Class |
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{ |
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GtkSocketClass __parent__; |
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}; |
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struct _PanelPluginExternal46 |
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{ |
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GtkSocket __parent__; |
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/* plugin information */ |
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gint unique_id; |
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/* the module */ |
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PanelModule *module; |
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/* whether the plug is embedded */ |
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guint plug_embedded : 1; |
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/* dbus message queue */ |
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GSList *queue; |
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/* counter to count the number of restarts */ |
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guint n_restarts; |
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/* some info we store here */ |
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guint show_configure : 1; |
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guint show_about : 1; |
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/* child watch data */ |
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GPid pid; |
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guint watch_id; |
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}; |
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enum |
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{ |
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PROP_0, |
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PROP_MODULE, |
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PROP_UNIQUE_ID |
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}; |
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typedef struct |
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{ |
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gint message; |
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gint value; |
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} |
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QueueItem; |
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static GdkAtom panel_atom = GDK_NONE; |
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G_DEFINE_TYPE_WITH_CODE (PanelPluginExternal46, panel_plugin_external_46, GTK_TYPE_SOCKET, |
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G_IMPLEMENT_INTERFACE (XFCE_TYPE_PANEL_PLUGIN_PROVIDER, panel_plugin_external_46_provider_init)) |
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static void |
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panel_plugin_external_46_class_init (PanelPluginExternal46Class *klass) |
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{ |
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GObjectClass *gobject_class; |
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GtkWidgetClass *gtkwidget_class; |
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GtkSocketClass *gtksocket_class; |
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gobject_class = G_OBJECT_CLASS (klass); |
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gobject_class->finalize = panel_plugin_external_46_finalize; |
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gobject_class->set_property = panel_plugin_external_46_set_property; |
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gobject_class->get_property = panel_plugin_external_46_get_property; |
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gtkwidget_class = GTK_WIDGET_CLASS (klass); |
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gtkwidget_class->realize = panel_plugin_external_46_realize; |
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gtkwidget_class->client_event = panel_plugin_external_46_client_event; |
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gtksocket_class = GTK_SOCKET_CLASS (klass); |
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gtksocket_class->plug_removed = panel_plugin_external_46_plug_removed; |
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gtksocket_class->plug_added = panel_plugin_external_46_plug_added; |
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g_object_class_install_property (gobject_class, |
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PROP_UNIQUE_ID, |
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g_param_spec_int ("unique-id", NULL, NULL, |
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-1, G_MAXINT, -1, |
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G_PARAM_READWRITE |
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| G_PARAM_STATIC_STRINGS |
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| G_PARAM_CONSTRUCT_ONLY)); |
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g_object_class_install_property (gobject_class, |
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PROP_MODULE, |
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g_param_spec_object ("module", NULL, NULL, |
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PANEL_TYPE_MODULE, |
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G_PARAM_READWRITE |
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| G_PARAM_STATIC_STRINGS |
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| G_PARAM_CONSTRUCT_ONLY)); |
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panel_atom = gdk_atom_intern_static_string (PANEL_CLIENT_EVENT_ATOM); |
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} |
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static void |
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panel_plugin_external_46_init (PanelPluginExternal46 *external) |
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{ |
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/* initialize */ |
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external->unique_id = -1; |
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external->module = NULL; |
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external->queue = NULL; |
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external->plug_embedded = FALSE; |
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external->n_restarts = 0; |
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external->show_configure = FALSE; |
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external->show_about = FALSE; |
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/* signal to pass gtk_widget_set_sensitive() changes to the remote window */ |
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g_signal_connect (G_OBJECT (external), "notify::sensitive", |
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G_CALLBACK (panel_plugin_external_46_set_sensitive), NULL); |
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} |
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static void |
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panel_plugin_external_46_provider_init (XfcePanelPluginProviderIface *iface) |
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{ |
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iface->get_name = panel_plugin_external_46_get_name; |
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iface->get_unique_id = panel_plugin_external_46_get_unique_id; |
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iface->set_size = panel_plugin_external_46_set_size; |
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iface->set_orientation = panel_plugin_external_46_set_orientation; |
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iface->set_screen_position = panel_plugin_external_46_set_screen_position; |
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iface->save = panel_plugin_external_46_save; |
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iface->get_show_configure = panel_plugin_external_46_get_show_configure; |
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iface->show_configure = panel_plugin_external_46_show_configure; |
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iface->get_show_about = panel_plugin_external_46_get_show_about; |
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iface->show_about = panel_plugin_external_46_show_about; |
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iface->remove = panel_plugin_external_46_remove; |
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iface->remote_event = panel_plugin_external_46_remote_event; |
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} |
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static void |
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panel_plugin_external_46_finalize (GObject *object) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (object); |
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GSList *li; |
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if (external->watch_id != 0) |
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{ |
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/* remove the child watch and don't leave zomies */ |
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g_source_remove (external->watch_id); |
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g_child_watch_add (external->pid, (GChildWatchFunc) g_spawn_close_pid, NULL); |
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} |
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if (external->queue != NULL) |
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{ |
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for (li = external->queue; li != NULL; li = li->next) |
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g_slice_free (QueueItem, li->data); |
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g_slist_free (external->queue); |
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} |
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g_object_unref (G_OBJECT (external->module)); |
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(*G_OBJECT_CLASS (panel_plugin_external_46_parent_class)->finalize) (object); |
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} |
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static void |
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panel_plugin_external_46_get_property (GObject *object, |
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guint prop_id, |
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GValue *value, |
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GParamSpec *pspec) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (object); |
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switch (prop_id) |
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{ |
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case PROP_UNIQUE_ID: |
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g_value_set_int (value, external->unique_id); |
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break; |
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case PROP_MODULE: |
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g_value_set_object (value, external->module); |
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break; |
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default: |
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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break; |
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} |
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} |
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static void |
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panel_plugin_external_46_set_property (GObject *object, |
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guint prop_id, |
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const GValue *value, |
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GParamSpec *pspec) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (object); |
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switch (prop_id) |
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{ |
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case PROP_UNIQUE_ID: |
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external->unique_id = g_value_get_int (value); |
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break; |
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case PROP_MODULE: |
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external->module = g_value_dup_object (value); |
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break; |
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default: |
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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break; |
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} |
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} |
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static void |
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panel_plugin_external_46_realize (GtkWidget *widget) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (widget); |
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gchar **argv; |
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GError *error = NULL; |
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gboolean succeed; |
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gchar *socket_id, *unique_id; |
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GdkScreen *screen; |
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GPid pid; |
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/* realize the socket first */ |
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(*GTK_WIDGET_CLASS (panel_plugin_external_46_parent_class)->realize) (widget); |
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/* get the socket id and unique id in a string */ |
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socket_id = g_strdup_printf ("%d", gtk_socket_get_id (GTK_SOCKET (widget))); |
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unique_id = g_strdup_printf ("%d", external->unique_id); |
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/* setup the basic argv */ |
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argv = g_new0 (gchar *, 12); |
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argv[0] = (gchar *) panel_module_get_filename (external->module); |
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argv[1] = (gchar *) "-n"; |
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argv[2] = (gchar *) panel_module_get_name (external->module); |
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argv[3] = (gchar *) "-i"; |
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argv[4] = (gchar *) unique_id; |
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argv[5] = (gchar *) "-d"; |
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argv[6] = (gchar *) panel_module_get_display_name (external->module); |
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argv[7] = (gchar *) "-c"; |
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argv[8] = (gchar *) panel_module_get_comment (external->module); |
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argv[9] = (gchar *) "-s"; |
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argv[10] = (gchar *) socket_id; |
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/* get the widget screen */ |
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screen = gtk_widget_get_screen (widget); |
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/* spawn the proccess */ |
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succeed = gdk_spawn_on_screen (screen, NULL, argv, NULL, |
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G_SPAWN_DO_NOT_REAP_CHILD, NULL, |
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NULL, &pid, &error); |
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if (G_LIKELY (succeed)) |
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{ |
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/* watch the child */ |
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external->pid = pid; |
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external->watch_id = g_child_watch_add_full (G_PRIORITY_LOW, pid, |
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panel_plugin_external_46_child_watch, external, |
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panel_plugin_external_46_child_watch_destroyed); |
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} |
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else |
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{ |
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g_critical ("Failed to spawn plugin: %s", error->message); |
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g_error_free (error); |
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} |
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/* cleanup */ |
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g_free (socket_id); |
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g_free (unique_id); |
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} |
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static gboolean |
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panel_plugin_external_46_client_event (GtkWidget *widget, |
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GdkEventClient *event) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (widget); |
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gint provider_signal; |
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if (event->message_type == panel_atom) |
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{ |
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provider_signal = event->data.s[0]; |
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switch (provider_signal) |
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{ |
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case PROVIDER_SIGNAL_REMOVE_PLUGIN: |
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/* we're forced removing the plugin, don't ask for a restart */ |
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external->plug_embedded = FALSE; |
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/* destroy ourselfs, unrealize will close the plugin */ |
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gtk_widget_destroy (GTK_WIDGET (external)); |
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break; |
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case PROVIDER_SIGNAL_SHOW_CONFIGURE: |
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external->show_configure = TRUE; |
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break; |
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case PROVIDER_SIGNAL_SHOW_ABOUT: |
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external->show_about = TRUE; |
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break; |
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default: |
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/* other signals are handled in panel-applications.c */ |
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xfce_panel_plugin_provider_emit_signal (XFCE_PANEL_PLUGIN_PROVIDER (external), |
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provider_signal); |
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break; |
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} |
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return FALSE; |
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} |
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return TRUE; |
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} |
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static gboolean |
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panel_plugin_external_46_plug_removed (GtkSocket *socket) |
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{ |
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PanelPluginExternal46 *external = PANEL_PLUGIN_EXTERNAL_46 (socket); |
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GtkWidget *dialog; |
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gint response; |
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PanelWindow *window; |
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/* leave when the plugin was removed on purpose */ |
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if (external->plug_embedded == FALSE) |
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return FALSE; |
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/* plug has been removed */ |
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external->plug_embedded = FALSE; |
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/* unrealize and hide the socket */ |
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gtk_widget_unrealize (GTK_WIDGET (socket)); |
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gtk_widget_hide (GTK_WIDGET (socket)); |
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if (external->watch_id != 0) |
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{ |
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/* remove the child watch and don't leave zomies */ |
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g_source_remove (external->watch_id); |
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g_child_watch_add (external->pid, (GChildWatchFunc) g_spawn_close_pid, NULL); |
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} |
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/* increase the restart counter */ |
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external->n_restarts++; |
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/* check if we ask the user what to do */ |
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if (external->n_restarts > N_RESTART_TRIES) |
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{ |
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/* create dialog */ |
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dialog = gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (socket))), |
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GTK_DIALOG_DESTROY_WITH_PARENT, |
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GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, |
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_("Plugin \"%s\" unexpectedly left the building, do you want to restart it?"), |
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panel_module_get_disp | |||