diff options
Diffstat (limited to 'libmate-panel-applet/mate-panel-applet.c')
| -rw-r--r-- | libmate-panel-applet/mate-panel-applet.c | 2315 |
1 files changed, 2315 insertions, 0 deletions
diff --git a/libmate-panel-applet/mate-panel-applet.c b/libmate-panel-applet/mate-panel-applet.c new file mode 100644 index 00000000..5ec4c7bf --- /dev/null +++ b/libmate-panel-applet/mate-panel-applet.c @@ -0,0 +1,2315 @@ +/* + * mate-panel-applet.c: panel applet writing library. + * + * Copyright (c) 2010 Carlos Garcia Campos <[email protected]> + * Copyright (C) 2001 Sun Microsystems, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Authors: + * Mark McLoughlin <[email protected]> + */ + +#ifdef HAVE_CONFIG_H + #include <config.h> +#endif + +#include <unistd.h> +#include <stdlib.h> +#include <string.h> + +#include <glib/gi18n-lib.h> +#include <cairo.h> +#include <gdk/gdk.h> +#include <gdk/gdkx.h> +#include <gdk/gdkkeysyms.h> +#include <gtk/gtk.h> +#include <mateconf/mateconf.h> +#include <mateconf/mateconf-client.h> +#include <X11/Xatom.h> + +#include "mate-panel-applet.h" +#include "mate-panel-applet-factory.h" +#include "mate-panel-applet-marshal.h" +#include "mate-panel-applet-enums.h" + +#define MATE_PANEL_APPLET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PANEL_TYPE_APPLET, MatePanelAppletPrivate)) + +struct _MatePanelAppletPrivate { + GtkWidget *plug; + GtkWidget *applet; + MateConfClient *client; + GDBusConnection *connection; + + char *id; + GClosure *closure; + char *object_path; + guint object_id; + char *prefs_key; + + GtkUIManager *ui_manager; + GtkActionGroup *applet_action_group; + GtkActionGroup *panel_action_group; + + MatePanelAppletFlags flags; + MatePanelAppletOrient orient; + guint size; + char *background; + GtkWidget *background_widget; + + int previous_width; + int previous_height; + + int *size_hints; + int size_hints_len; + + gboolean moving_focus_out; + + gboolean locked; + gboolean locked_down; +}; + +enum { + CHANGE_ORIENT, + CHANGE_SIZE, + CHANGE_BACKGROUND, + MOVE_FOCUS_OUT_OF_APPLET, + SAVE_YOURSELF, + LAST_SIGNAL +}; + +static guint mate_panel_applet_signals[LAST_SIGNAL]; + +enum { + PROP_0, + PROP_ID, + PROP_CLOSURE, + PROP_CONNECTION, + PROP_PREFS_KEY, + PROP_ORIENT, + PROP_SIZE, + PROP_BACKGROUND, + PROP_FLAGS, + PROP_SIZE_HINTS, + PROP_LOCKED, + PROP_LOCKED_DOWN +}; + +static void mate_panel_applet_handle_background (MatePanelApplet *applet); +static GtkAction *mate_panel_applet_menu_get_action (MatePanelApplet *applet, + const gchar *action); +static void mate_panel_applet_menu_update_actions (MatePanelApplet *applet); +static void mate_panel_applet_menu_cmd_remove (GtkAction *action, + MatePanelApplet *applet); +static void mate_panel_applet_menu_cmd_move (GtkAction *action, + MatePanelApplet *applet); +static void mate_panel_applet_menu_cmd_lock (GtkAction *action, + MatePanelApplet *applet); +static void mate_panel_applet_register_object (MatePanelApplet *applet); + +static const gchar panel_menu_ui[] = + "<ui>\n" + " <popup name=\"MatePanelAppletPopup\" action=\"PopupAction\">\n" + " <placeholder name=\"AppletItems\"/>\n" + " <separator/>\n" + " <menuitem name=\"RemoveItem\" action=\"Remove\"/>\n" + " <menuitem name=\"MoveItem\" action=\"Move\"/>\n" + " <separator/>\n" + " <menuitem name=\"LockItem\" action=\"Lock\"/>\n" + " </popup>\n" + "</ui>\n"; + +static const GtkActionEntry menu_entries[] = { + { "Remove", GTK_STOCK_REMOVE, N_("_Remove From Panel"), + NULL, NULL, + G_CALLBACK (mate_panel_applet_menu_cmd_remove) }, + { "Move", NULL, N_("_Move"), + NULL, NULL, + G_CALLBACK (mate_panel_applet_menu_cmd_move) } +}; + +static const GtkToggleActionEntry menu_toggle_entries[] = { + { "Lock", NULL, N_("Loc_k To Panel"), + NULL, NULL, + G_CALLBACK (mate_panel_applet_menu_cmd_lock) } +}; + +G_DEFINE_TYPE (MatePanelApplet, mate_panel_applet, GTK_TYPE_EVENT_BOX) + +#define MATE_PANEL_APPLET_INTERFACE "org.mate.panel.applet.Applet" +#define MATE_PANEL_APPLET_OBJECT_PATH "/org/mate/panel/applet/%s/%d" + +static void +mate_panel_applet_associate_schemas_in_dir (MateConfClient *client, + const gchar *prefs_key, + const gchar *schema_dir, + GError **error) +{ + GSList *list, *l; + + list = mateconf_client_all_entries (client, schema_dir, error); + + if (*error != NULL) + return; + + for (l = list; l; l = l->next) { + MateConfEntry *entry = l->data; + const gchar *schema_key; + MateConfEntry *applet_entry; + const gchar *applet_schema_key; + gchar *key; + gchar *tmp; + + schema_key = mateconf_entry_get_key (entry); + tmp = g_path_get_basename (schema_key); + + if (strchr (tmp, '-')) + g_warning ("Applet key '%s' contains a hyphen. Please " + "use underscores in mateconf keys\n", tmp); + + key = g_strdup_printf ("%s/%s", prefs_key, tmp); + g_free (tmp); + + /* Associating a schema is potentially expensive, so let's try + * to avoid this by doing it only when needed. So we check if + * the key is already correctly associated. */ + + applet_entry = mateconf_client_get_entry (client, key, + NULL, TRUE, NULL); + if (applet_entry) + applet_schema_key = mateconf_entry_get_schema_name (applet_entry); + else + applet_schema_key = NULL; + + if (g_strcmp0 (schema_key, applet_schema_key) != 0) { + mateconf_engine_associate_schema (client->engine, + key, schema_key, error); + + if (applet_entry == NULL || + mateconf_entry_get_value (applet_entry) == NULL || + mateconf_entry_get_is_default (applet_entry)) { + /* unset the key: mateconf_client_get_entry() + * brought an invalid entry in the client + * cache, and we want to fix this */ + mateconf_client_unset (client, key, NULL); + } + } + + g_free (key); + + if (applet_entry) + mateconf_entry_unref (applet_entry); + mateconf_entry_unref (entry); + + if (*error) { + g_slist_free (list); + return; + } + } + + g_slist_free (list); + + list = mateconf_client_all_dirs (client, schema_dir, error); + + for (l = list; l; l = l->next) { + gchar *subdir = l->data; + gchar *prefs_subdir; + gchar *schema_subdir; + gchar *tmp; + + tmp = g_path_get_basename (subdir); + + prefs_subdir = g_strdup_printf ("%s/%s", prefs_key, tmp); + schema_subdir = g_strdup_printf ("%s/%s", schema_dir, tmp); + + mate_panel_applet_associate_schemas_in_dir (client, + prefs_subdir, + schema_subdir, + error); + + g_free (prefs_subdir); + g_free (schema_subdir); + g_free (subdir); + g_free (tmp); + + if (*error) { + g_slist_free (list); + return; + } + } + + g_slist_free (list); +} + +void +mate_panel_applet_add_preferences (MatePanelApplet *applet, + const gchar *schema_dir, + GError **opt_error) +{ + GError **error = NULL; + GError *our_error = NULL; + + g_return_if_fail (PANEL_IS_APPLET (applet)); + g_return_if_fail (schema_dir != NULL); + + if (!applet->priv->prefs_key) + return; + + if (opt_error) + error = opt_error; + else + error = &our_error; + + mate_panel_applet_associate_schemas_in_dir (applet->priv->client, + applet->priv->prefs_key, + schema_dir, + error); + + if (!opt_error && our_error) { + g_warning (G_STRLOC ": failed to add preferences from '%s' : '%s'", + schema_dir, our_error->message); + g_error_free (our_error); + } +} + +char * +mate_panel_applet_get_preferences_key (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), NULL); + + if (!applet->priv->prefs_key) + return NULL; + + return g_strdup (applet->priv->prefs_key); +} + +static void +mate_panel_applet_set_preferences_key (MatePanelApplet *applet, + const char *prefs_key) +{ + if (applet->priv->prefs_key == prefs_key) + return; + + if (g_strcmp0 (applet->priv->prefs_key, prefs_key) == 0) + return; + + if (applet->priv->prefs_key) { + mateconf_client_remove_dir (applet->priv->client, + applet->priv->prefs_key, + NULL); + + g_free (applet->priv->prefs_key); + applet->priv->prefs_key = NULL; + } + + if (prefs_key) { + applet->priv->prefs_key = g_strdup (prefs_key); + + mateconf_client_add_dir (applet->priv->client, + applet->priv->prefs_key, + MATECONF_CLIENT_PRELOAD_RECURSIVE, + NULL); + } + + g_object_notify (G_OBJECT (applet), "prefs-key"); +} + +MatePanelAppletFlags +mate_panel_applet_get_flags (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), MATE_PANEL_APPLET_FLAGS_NONE); + + return applet->priv->flags; +} + +void +mate_panel_applet_set_flags (MatePanelApplet *applet, + MatePanelAppletFlags flags) +{ + g_return_if_fail (PANEL_IS_APPLET (applet)); + + if (applet->priv->flags == flags) + return; + + applet->priv->flags = flags; + + g_object_notify (G_OBJECT (applet), "flags"); + + if (applet->priv->connection) { + GVariantBuilder *builder; + GVariantBuilder *invalidated_builder; + GError *error = NULL; + + builder = g_variant_builder_new (G_VARIANT_TYPE_ARRAY); + invalidated_builder = g_variant_builder_new (G_VARIANT_TYPE ("as")); + + g_variant_builder_add (builder, "{sv}", "Flags", + g_variant_new_uint32 (applet->priv->flags)); + + g_dbus_connection_emit_signal (applet->priv->connection, + NULL, + applet->priv->object_path, + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + g_variant_new ("(sa{sv}as)", + MATE_PANEL_APPLET_INTERFACE, + builder, + invalidated_builder), + &error); + if (error) { + g_printerr ("Failed to send signal PropertiesChanged::Flags: %s\n", + error->message); + g_error_free (error); + } + } +} + +static void +mate_panel_applet_size_hints_ensure (MatePanelApplet *applet, + int new_size) +{ + if (applet->priv->size_hints && applet->priv->size_hints_len < new_size) { + g_free (applet->priv->size_hints); + applet->priv->size_hints = g_new (gint, new_size); + } else if (!applet->priv->size_hints) { + applet->priv->size_hints = g_new (gint, new_size); + } + applet->priv->size_hints_len = new_size; +} + +static gboolean +mate_panel_applet_size_hints_changed (MatePanelApplet *applet, + const int *size_hints, + int n_elements, + int base_size) +{ + gint i; + + if (!applet->priv->size_hints) + return TRUE; + + if (applet->priv->size_hints_len != n_elements) + return TRUE; + + for (i = 0; i < n_elements; i++) { + if (size_hints[i] + base_size != applet->priv->size_hints[i]) + return TRUE; + } + + return FALSE; +} + +void +mate_panel_applet_set_size_hints (MatePanelApplet *applet, + const int *size_hints, + int n_elements, + int base_size) +{ + gint i; + + /* Make sure property has really changed to avoid bus traffic */ + if (!mate_panel_applet_size_hints_changed (applet, size_hints, n_elements, base_size)) + return; + + mate_panel_applet_size_hints_ensure (applet, n_elements); + for (i = 0; i < n_elements; i++) + applet->priv->size_hints[i] = size_hints[i] + base_size; + + g_object_notify (G_OBJECT (applet), "size-hints"); + + if (applet->priv->connection) { + GVariantBuilder *builder; + GVariantBuilder *invalidated_builder; + GVariant **children; + GError *error = NULL; + + builder = g_variant_builder_new (G_VARIANT_TYPE_ARRAY); + invalidated_builder = g_variant_builder_new (G_VARIANT_TYPE ("as")); + + children = g_new (GVariant *, applet->priv->size_hints_len); + for (i = 0; i < n_elements; i++) + children[i] = g_variant_new_int32 (applet->priv->size_hints[i]); + g_variant_builder_add (builder, "{sv}", "SizeHints", + g_variant_new_array (G_VARIANT_TYPE_INT32, + children, applet->priv->size_hints_len)); + g_free (children); + + g_dbus_connection_emit_signal (applet->priv->connection, + NULL, + applet->priv->object_path, + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + g_variant_new ("(sa{sv}as)", + MATE_PANEL_APPLET_INTERFACE, + builder, + invalidated_builder), + &error); + if (error) { + g_printerr ("Failed to send signal PropertiesChanged::SizeHints: %s\n", + error->message); + g_error_free (error); + } + } +} + +guint +mate_panel_applet_get_size (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), 0); + + return applet->priv->size; +} + +/* Applets cannot set their size, so API is not public. */ +static void +mate_panel_applet_set_size (MatePanelApplet *applet, + guint size) +{ + g_return_if_fail (PANEL_IS_APPLET (applet)); + + if (applet->priv->size == size) + return; + + applet->priv->size = size; + g_signal_emit (G_OBJECT (applet), + mate_panel_applet_signals [CHANGE_SIZE], + 0, size); + + g_object_notify (G_OBJECT (applet), "size"); +} + +MatePanelAppletOrient +mate_panel_applet_get_orient (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), 0); + + return applet->priv->orient; +} + +/* Applets cannot set their orientation, so API is not public. */ +static void +mate_panel_applet_set_orient (MatePanelApplet *applet, + MatePanelAppletOrient orient) +{ + g_return_if_fail (PANEL_IS_APPLET (applet)); + + if (applet->priv->orient == orient) + return; + + applet->priv->orient = orient; + g_signal_emit (G_OBJECT (applet), + mate_panel_applet_signals [CHANGE_ORIENT], + 0, orient); + + g_object_notify (G_OBJECT (applet), "orient"); +} + +#if 0 +/* Locked should not be public API: it's not useful for applet writers to know + * if the applet is locked (as opposed to locked_down). */ +static gboolean +mate_panel_applet_get_locked (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), FALSE); + + return applet->priv->locked; +} +#endif + +static void +mate_panel_applet_set_locked (MatePanelApplet *applet, + gboolean locked) +{ + GtkAction *action; + + g_return_if_fail (PANEL_IS_APPLET (applet)); + + if (applet->priv->locked == locked) + return; + + applet->priv->locked = locked; + + action = mate_panel_applet_menu_get_action (applet, "Lock"); + g_signal_handlers_block_by_func (action, + mate_panel_applet_menu_cmd_lock, + applet); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), locked); + g_signal_handlers_unblock_by_func (action, + mate_panel_applet_menu_cmd_lock, + applet); + + mate_panel_applet_menu_update_actions (applet); + + g_object_notify (G_OBJECT (applet), "locked"); + + if (applet->priv->connection) { + GError *error = NULL; + + g_dbus_connection_emit_signal (applet->priv->connection, + NULL, + applet->priv->object_path, + MATE_PANEL_APPLET_INTERFACE, + locked ? "Lock" : "Unlock", + NULL, &error); + if (error) { + g_printerr ("Failed to send signal %s: %s\n", + locked ? "Lock" : "Unlock", + error->message); + g_error_free (error); + } + } +} + +gboolean +mate_panel_applet_get_locked_down (MatePanelApplet *applet) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), FALSE); + + return applet->priv->locked_down; +} + +/* Applets cannot set the lockdown state, so API is not public. */ +static void +mate_panel_applet_set_locked_down (MatePanelApplet *applet, + gboolean locked_down) +{ + g_return_if_fail (PANEL_IS_APPLET (applet)); + + if (applet->priv->locked_down == locked_down) + return; + + applet->priv->locked_down = locked_down; + mate_panel_applet_menu_update_actions (applet); + + g_object_notify (G_OBJECT (applet), "locked-down"); +} + +static Atom _net_wm_window_type = None; +static Atom _net_wm_window_type_dock = None; +static Atom _net_active_window = None; + +static void +mate_panel_applet_init_atoms (Display *xdisplay) +{ + if (_net_wm_window_type == None) + _net_wm_window_type = XInternAtom (xdisplay, + "_NET_WM_WINDOW_TYPE", + False); + + if (_net_wm_window_type_dock == None) + _net_wm_window_type_dock = XInternAtom (xdisplay, + "_NET_WM_WINDOW_TYPE_DOCK", + False); + + if (_net_active_window == None) + _net_active_window = XInternAtom (xdisplay, + "_NET_ACTIVE_WINDOW", + False); +} + +static Window +mate_panel_applet_find_toplevel_dock_window (MatePanelApplet *applet, + Display *xdisplay) +{ + GtkWidget *toplevel; + Window xwin; + Window root, parent, *child; + int num_children; + + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (applet)); + if (!gtk_widget_get_realized (toplevel)) + return None; + + xwin = GDK_WINDOW_XID (gtk_widget_get_window (toplevel)); + + child = NULL; + parent = root = None; + do { + Atom type_return; + Atom window_type; + int format_return; + gulong number_return, bytes_after_return; + guchar *data_return; + + XGetWindowProperty (xdisplay, + xwin, + _net_wm_window_type, + 0, 1, False, + XA_ATOM, + &type_return, &format_return, + &number_return, + &bytes_after_return, + &data_return); + + if (type_return == XA_ATOM) { + window_type = *(Atom *) data_return; + + XFree (data_return); + data_return = NULL; + + if (window_type == _net_wm_window_type_dock) + return xwin; + } + + if (!XQueryTree (xdisplay, + xwin, + &root, &parent, &child, + (guint *) &num_children)) { + return None; + } + + if (child && num_children > 0) + XFree (child); + + xwin = parent; + + } while (xwin != None && xwin != root); + + return None; +} + +/* This function + * 1) Gets the window id of the panel that contains the applet + * using XQueryTree and XGetWindowProperty to find an ancestor + * window with the _NET_WM_WINDOW_TYPE_DOCK window type. + * 2) Sends a _NET_ACTIVE_WINDOW message to get that panel focused + */ +void +mate_panel_applet_request_focus (MatePanelApplet *applet, + guint32 timestamp) +{ + GdkScreen *screen; + GdkWindow *root; + GdkDisplay *display; + Display *xdisplay; + Window dock_xwindow; + Window xroot; + XEvent xev; + + g_return_if_fail (PANEL_IS_APPLET (applet)); + + screen = gtk_widget_get_screen (GTK_WIDGET (applet)); + root = gdk_screen_get_root_window (screen); + display = gdk_screen_get_display (screen); + + xdisplay = GDK_DISPLAY_XDISPLAY (display); + xroot = GDK_WINDOW_XWINDOW (root); + + mate_panel_applet_init_atoms (xdisplay); + + dock_xwindow = mate_panel_applet_find_toplevel_dock_window (applet, xdisplay); + if (dock_xwindow == None) + return; + + xev.xclient.type = ClientMessage; + xev.xclient.serial = 0; + xev.xclient.send_event = True; + xev.xclient.window = dock_xwindow; + xev.xclient.message_type = _net_active_window; + xev.xclient.format = 32; + xev.xclient.data.l[0] = 1; /* requestor type; we're an app, I guess */ + xev.xclient.data.l[1] = timestamp; + xev.xclient.data.l[2] = None; /* "currently active window", supposedly */ + xev.xclient.data.l[3] = 0; + xev.xclient.data.l[4] = 0; + + XSendEvent (xdisplay, + xroot, False, + SubstructureRedirectMask | SubstructureNotifyMask, + &xev); +} + +static GtkAction * +mate_panel_applet_menu_get_action (MatePanelApplet *applet, + const gchar *action) +{ + return gtk_action_group_get_action (applet->priv->panel_action_group, action); +} + +static void +mate_panel_applet_menu_update_actions (MatePanelApplet *applet) +{ + gboolean locked = applet->priv->locked; + gboolean locked_down = applet->priv->locked_down; + + g_object_set (mate_panel_applet_menu_get_action (applet, "Lock"), + "visible", !locked_down, NULL); + g_object_set (mate_panel_applet_menu_get_action (applet, "Move"), + "sensitive", !locked, + "visible", !locked_down, + NULL); + g_object_set (mate_panel_applet_menu_get_action (applet, "Remove"), + "sensitive", !locked, + "visible", !locked_down, + NULL); +} + +static void +mate_panel_applet_menu_cmd_remove (GtkAction *action, + MatePanelApplet *applet) +{ + GError *error = NULL; + + if (!applet->priv->connection) + return; + + g_dbus_connection_emit_signal (applet->priv->connection, + NULL, + applet->priv->object_path, + MATE_PANEL_APPLET_INTERFACE, + "RemoveFromPanel", + NULL, &error); + if (error) { + g_printerr ("Failed to send signal RemoveFromPanel: %s\n", + error->message); + g_error_free (error); + } +} + +static void +mate_panel_applet_menu_cmd_move (GtkAction *action, + MatePanelApplet *applet) +{ + GError *error = NULL; + + if (!applet->priv->connection) + return; + + g_dbus_connection_emit_signal (applet->priv->connection, + NULL, + applet->priv->object_path, + MATE_PANEL_APPLET_INTERFACE, + "Move", + NULL, &error); + if (error) { + g_printerr ("Failed to send signal RemoveFromPanel: %s\n", + error->message); + g_error_free (error); + } +} + +static void +mate_panel_applet_menu_cmd_lock (GtkAction *action, + MatePanelApplet *applet) +{ + gboolean locked; + + locked = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); + mate_panel_applet_set_locked (applet, locked); +} + +void +mate_panel_applet_setup_menu (MatePanelApplet *applet, + const gchar *xml, + GtkActionGroup *applet_action_group) +{ + gchar *new_xml; + GError *error = NULL; + + g_return_if_fail (PANEL_IS_APPLET (applet)); + g_return_if_fail (xml != NULL); + + if (applet->priv->applet_action_group) + return; + + applet->priv->applet_action_group = g_object_ref (applet_action_group); + gtk_ui_manager_insert_action_group (applet->priv->ui_manager, + applet_action_group, 0); + + new_xml = g_strdup_printf ("<ui><popup name=\"MatePanelAppletPopup\" action=\"AppletItems\">" + "<placeholder name=\"AppletItems\">%s\n</placeholder>\n" + "</popup></ui>\n", xml); + gtk_ui_manager_add_ui_from_string (applet->priv->ui_manager, new_xml, -1, &error); + g_free (new_xml); + gtk_ui_manager_ensure_update (applet->priv->ui_manager); + if (error) { + g_warning ("Error merging menus: %s\n", error->message); + g_error_free (error); + } +} + +void +mate_panel_applet_setup_menu_from_file (MatePanelApplet *applet, + const gchar *filename, + GtkActionGroup *applet_action_group) +{ + gchar *xml = NULL; + GError *error = NULL; + + if (g_file_get_contents (filename, &xml, NULL, &error)) { + mate_panel_applet_setup_menu (applet, xml, applet_action_group); + } else { + g_warning ("%s", error->message); + g_error_free (error); + } + + g_free (xml); +} + +static void +mate_panel_applet_finalize (GObject *object) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (object); + + if (applet->priv->connection) { + if (applet->priv->object_id) + g_dbus_connection_unregister_object (applet->priv->connection, + applet->priv->object_id); + applet->priv->object_id = 0; + g_object_unref (applet->priv->connection); + applet->priv->connection = NULL; + } + + if (applet->priv->object_path) { + g_free (applet->priv->object_path); + applet->priv->object_path = NULL; + } + + mate_panel_applet_set_preferences_key (applet, NULL); + + if (applet->priv->client) + g_object_unref (applet->priv->client); + applet->priv->client = NULL; + + if (applet->priv->applet_action_group) { + g_object_unref (applet->priv->applet_action_group); + applet->priv->applet_action_group = NULL; + } + + if (applet->priv->panel_action_group) { + g_object_unref (applet->priv->panel_action_group); + applet->priv->panel_action_group = NULL; + } + + if (applet->priv->ui_manager) { + g_object_unref (applet->priv->ui_manager); + applet->priv->ui_manager = NULL; + } + + g_free (applet->priv->size_hints); + g_free (applet->priv->prefs_key); + g_free (applet->priv->background); + g_free (applet->priv->id); + + /* closure is owned by the factory */ + applet->priv->closure = NULL; + + G_OBJECT_CLASS (mate_panel_applet_parent_class)->finalize (object); +} + +static gboolean +container_has_focusable_child (GtkContainer *container) +{ + GtkWidget *child; + GList *list; + GList *t; + gboolean retval = FALSE; + + list = gtk_container_get_children (container); + + for (t = list; t; t = t->next) { + child = GTK_WIDGET (t->data); + if (gtk_widget_get_can_focus (child)) { + retval = TRUE; + break; + } else if (GTK_IS_CONTAINER (child)) { + retval = container_has_focusable_child (GTK_CONTAINER (child)); + if (retval) + break; + } + } + g_list_free (list); + return retval; +} + +static void +mate_panel_applet_position_menu (GtkMenu *menu, + int *x, + int *y, + gboolean *push_in, + GtkWidget *widget) +{ + MatePanelApplet *applet; + GtkAllocation allocation; + GtkRequisition requisition; + GdkScreen *screen; + int menu_x = 0; + int menu_y = 0; + int pointer_x; + int pointer_y; + + g_return_if_fail (PANEL_IS_APPLET (widget)); + + applet = MATE_PANEL_APPLET (widget); + + screen = gtk_widget_get_screen (widget); + + gtk_widget_size_request (GTK_WIDGET (menu), &requisition); + gdk_window_get_origin (gtk_widget_get_window (widget), + &menu_x, &menu_y); + gtk_widget_get_pointer (widget, &pointer_x, &pointer_y); + + gtk_widget_get_allocation (widget, &allocation); + + menu_x += allocation.x; + menu_y += allocation.y; + + if (applet->priv->orient == MATE_PANEL_APPLET_ORIENT_UP || + applet->priv->orient == MATE_PANEL_APPLET_ORIENT_DOWN) { + if (gtk_widget_get_direction (GTK_WIDGET (menu)) != GTK_TEXT_DIR_RTL) { + if (pointer_x < allocation.width && + requisition.width < pointer_x) + menu_x += MIN (pointer_x, + allocation.width - requisition.width); + } else { + menu_x += allocation.width - requisition.width; + if (pointer_x > 0 && pointer_x < allocation.width && + pointer_x < allocation.width - requisition.width) { + menu_x -= MIN (allocation.width - pointer_x, + allocation.width - requisition.width); + } + } + menu_x = MIN (menu_x, gdk_screen_get_width (screen) - requisition.width); + + if (menu_y > gdk_screen_get_height (screen) / 2) + menu_y -= requisition.height; + else + menu_y += allocation.height; + } else { + if (pointer_y < allocation.height && + requisition.height < pointer_y) + menu_y += MIN (pointer_y, allocation.height - requisition.height); + menu_y = MIN (menu_y, gdk_screen_get_height (screen) - requisition.height); + + if (menu_x > gdk_screen_get_width (screen) / 2) + menu_x -= requisition.width; + else + menu_x += allocation.width; + + } + + *x = menu_x; + *y = menu_y; + *push_in = TRUE; +} + +static void +mate_panel_applet_menu_popup (MatePanelApplet *applet, + guint button, + guint32 time) +{ + GtkWidget *menu; + + menu = gtk_ui_manager_get_widget (applet->priv->ui_manager, + "/MatePanelAppletPopup"); + gtk_menu_popup (GTK_MENU (menu), + NULL, NULL, + (GtkMenuPositionFunc) mate_panel_applet_position_menu, + applet, + button, time); +} + +static gboolean +mate_panel_applet_can_focus (GtkWidget *widget) +{ + /* + * A MatePanelApplet widget can focus if it has a tooltip or it does + * not have any focusable children. + */ + if (gtk_widget_get_has_tooltip (widget)) + return TRUE; + + if (!PANEL_IS_APPLET (widget)) + return FALSE; + + return !container_has_focusable_child (GTK_CONTAINER (widget)); +} + +/* Taken from libmatecomponentui/matecomponent/matecomponent-plug.c */ +static gboolean +mate_panel_applet_button_event (GtkWidget *widget, + GdkEventButton *event) +{ + GdkWindow *window; + GdkWindow *socket_window; + XEvent xevent; + + if (!gtk_widget_is_toplevel (widget)) + return FALSE; + + window = gtk_widget_get_window (widget); + socket_window = gtk_plug_get_socket_window (GTK_PLUG (widget)); + + if (event->type == GDK_BUTTON_PRESS) { + xevent.xbutton.type = ButtonPress; + + /* X does an automatic pointer grab on button press + * if we have both button press and release events + * selected. + * We don't want to hog the pointer on our parent. + */ + gdk_display_pointer_ungrab + (gtk_widget_get_display (widget), + GDK_CURRENT_TIME); + } else { + xevent.xbutton.type = ButtonRelease; + } + + xevent.xbutton.display = GDK_WINDOW_XDISPLAY (window); + xevent.xbutton.window = GDK_WINDOW_XWINDOW (socket_window); + xevent.xbutton.root = GDK_WINDOW_XWINDOW (gdk_screen_get_root_window + (gdk_drawable_get_screen (window))); + /* + * FIXME: the following might cause + * big problems for non-GTK apps + */ + xevent.xbutton.x = 0; + xevent.xbutton.y = 0; + xevent.xbutton.x_root = 0; + xevent.xbutton.y_root = 0; + xevent.xbutton.state = event->state; + xevent.xbutton.button = event->button; + xevent.xbutton.same_screen = TRUE; /* FIXME ? */ + + gdk_error_trap_push (); + + XSendEvent (GDK_WINDOW_XDISPLAY (window), + GDK_WINDOW_XWINDOW (socket_window), + False, NoEventMask, &xevent); + + gdk_flush (); + gdk_error_trap_pop (); + + return TRUE; +} + +static gboolean +mate_panel_applet_button_press (GtkWidget *widget, + GdkEventButton *event) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (widget); + + if (!container_has_focusable_child (GTK_CONTAINER (applet))) { + if (!gtk_widget_has_focus (widget)) { + gtk_widget_set_can_focus (widget, TRUE); + gtk_widget_grab_focus (widget); + } + } + + if (event->button == 3) { + mate_panel_applet_menu_popup (applet, event->button, event->time); + + return TRUE; + } + + return mate_panel_applet_button_event (applet->priv->plug, event); +} + +static gboolean +mate_panel_applet_button_release (GtkWidget *widget, + GdkEventButton *event) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (widget); + + return mate_panel_applet_button_event (applet->priv->plug, event); +} + +static gboolean +mate_panel_applet_popup_menu (GtkWidget *widget) +{ + mate_panel_applet_menu_popup (MATE_PANEL_APPLET (widget), 3, GDK_CURRENT_TIME); + + return TRUE; +} + +static void +mate_panel_applet_size_request (GtkWidget *widget, GtkRequisition *requisition) +{ + int focus_width = 0; + + GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->size_request (widget, + requisition); + + if (!mate_panel_applet_can_focus (widget)) + return; + + /* + * We are deliberately ignoring focus-padding here to + * save valuable panel real estate. + */ + gtk_widget_style_get (widget, + "focus-line-width", &focus_width, + NULL); + + requisition->width += 2 * focus_width; + requisition->height += 2 * focus_width; +} + +static void +mate_panel_applet_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkAllocation child_allocation; + GtkBin *bin; + GtkWidget *child; + int border_width; + int focus_width = 0; + MatePanelApplet *applet; + + if (!mate_panel_applet_can_focus (widget)) { + GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->size_allocate (widget, allocation); + } else { + /* + * We are deliberately ignoring focus-padding here to + * save valuable panel real estate. + */ + gtk_widget_style_get (widget, + "focus-line-width", &focus_width, + NULL); + + border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); + + gtk_widget_set_allocation (widget, allocation); + bin = GTK_BIN (widget); + + child_allocation.x = focus_width; + child_allocation.y = focus_width; + + child_allocation.width = MAX (allocation->width - border_width * 2, 0); + child_allocation.height = MAX (allocation->height - border_width * 2, 0); + + if (gtk_widget_get_realized (widget)) + gdk_window_move_resize (gtk_widget_get_window (widget), + allocation->x + border_width, + allocation->y + border_width, + child_allocation.width, + child_allocation.height); + + child_allocation.width = MAX (child_allocation.width - 2 * focus_width, 0); + child_allocation.height = MAX (child_allocation.height - 2 * focus_width, 0); + + child = gtk_bin_get_child (bin); + if (child) + gtk_widget_size_allocate (child, &child_allocation); + } + + applet = MATE_PANEL_APPLET (widget); + + if (applet->priv->previous_height != allocation->height || + applet->priv->previous_width != allocation->width) { + applet->priv->previous_height = allocation->height; + applet->priv->previous_width = allocation->width; + + mate_panel_applet_handle_background (applet); + } +} + +static gboolean mate_panel_applet_expose(GtkWidget* widget, GdkEventExpose* event) +{ + GtkAllocation allocation; + int border_width; + int focus_width = 0; + int x, y, width, height; + + g_return_val_if_fail (PANEL_IS_APPLET (widget), FALSE); + g_return_val_if_fail (event != NULL, FALSE); + + GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->expose_event(widget, event); + + if (!gtk_widget_has_focus (widget)) + return FALSE; + + gtk_widget_get_allocation(widget, &allocation); + + /* + * We are deliberately ignoring focus-padding here to + * save valuable panel real estate. + */ + gtk_widget_style_get (widget, + "focus-line-width", &focus_width, + NULL); + + border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); + + x = allocation.x; + y = allocation.y; + + width = allocation.width - 2 * border_width; + height = allocation.height - 2 * border_width; + + gtk_paint_focus (gtk_widget_get_style (widget), + gtk_widget_get_window (widget), + gtk_widget_get_state (widget), + &event->area, widget, "mate_panel_applet", + x, y, width, height); + + return FALSE; +} + +static gboolean +mate_panel_applet_focus (GtkWidget *widget, + GtkDirectionType dir) +{ + gboolean ret; + GtkWidget *previous_focus_child; + MatePanelApplet *applet; + + g_return_val_if_fail (PANEL_IS_APPLET (widget), FALSE); + + applet = MATE_PANEL_APPLET (widget); + if (applet->priv->moving_focus_out) { + /* + * Applet will retain focus if there is nothing else on the + * panel to get focus + */ + applet->priv->moving_focus_out = FALSE; + return FALSE; + } + + previous_focus_child = gtk_container_get_focus_child (GTK_CONTAINER (widget)); + if (!previous_focus_child && !gtk_widget_has_focus (widget)) { + if (gtk_widget_get_has_tooltip (widget)) { + gtk_widget_set_can_focus (widget, TRUE); + gtk_widget_grab_focus (widget); + gtk_widget_set_can_focus (widget, FALSE); + return TRUE; + } + } + ret = GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->focus (widget, dir); + + if (!ret && !previous_focus_child) { + if (!gtk_widget_has_focus (widget)) { + /* + * Applet does not have a widget which can focus so set + * the focus on the applet unless it already had focus + * because it had a tooltip. + */ + gtk_widget_set_can_focus (widget, TRUE); + gtk_widget_grab_focus (widget); + gtk_widget_set_can_focus (widget, FALSE); + ret = TRUE; + } + } + + return ret; +} + +static gboolean +mate_panel_applet_parse_color (const gchar *color_str, + GdkColor *color) +{ + int r, g, b; + + g_assert (color_str && color); + + if (sscanf (color_str, "%4x%4x%4x", &r, &g, &b) != 3) + return FALSE; + + color->red = r; + color->green = g; + color->blue = b; + + return TRUE; +} + +static gboolean +mate_panel_applet_parse_pixmap_str (const char *str, + GdkNativeWindow *xid, + int *x, + int *y) +{ + char **elements; + char *tmp; + + g_return_val_if_fail (str != NULL, FALSE); + g_return_val_if_fail (xid != NULL, FALSE); + g_return_val_if_fail (x != NULL, FALSE); + g_return_val_if_fail (y != NULL, FALSE); + + elements = g_strsplit (str, ",", -1); + + if (!elements) + return FALSE; + + if (!elements [0] || !*elements [0] || + !elements [1] || !*elements [1] || + !elements [2] || !*elements [2]) + goto ERROR_AND_FREE; + + *xid = strtol (elements [0], &tmp, 10); + if (tmp == elements [0]) + goto ERROR_AND_FREE; + + *x = strtol (elements [1], &tmp, 10); + if (tmp == elements [1]) + goto ERROR_AND_FREE; + + *y = strtol (elements [2], &tmp, 10); + if (tmp == elements [2]) + goto ERROR_AND_FREE; + + g_strfreev (elements); + return TRUE; + + ERROR_AND_FREE: + g_strfreev (elements); + return FALSE; +} + +static GdkPixmap * +mate_panel_applet_get_pixmap (MatePanelApplet *applet, + GdkNativeWindow xid, + int x, + int y) +{ + gboolean display_grabbed; + GdkPixmap *pixmap; + GdkDisplay *display; + GdkPixmap *retval; + GdkWindow *window; + int width; + int height; + cairo_t *cr; + cairo_pattern_t *pattern; + + g_return_val_if_fail (PANEL_IS_APPLET (applet), NULL); + + if (!gtk_widget_get_realized (GTK_WIDGET (applet))) + return NULL; + + display = gdk_display_get_default (); + display_grabbed = FALSE; + + window = gtk_widget_get_window (GTK_WIDGET (applet)); + + pixmap = gdk_pixmap_lookup_for_display (display, xid); + if (pixmap) + g_object_ref (pixmap); + else { + display_grabbed = TRUE; + gdk_x11_display_grab (display); + pixmap = gdk_pixmap_foreign_new_for_display (display, xid); + } + + /* This can happen if the user changes the background very fast. + * We'll get the next update, so it's not a big deal. */ + if (pixmap == NULL) { + if (display_grabbed) + gdk_x11_display_ungrab (display); + return NULL; + } + + #if GTK_CHECK_VERSION(3, 0, 0) + width = gdk_window_get_width(window); + height = gdk_window_get_height(window); + #else + gdk_drawable_get_size(GDK_DRAWABLE(window), &width, &height); + #endif + + retval = gdk_pixmap_new (window, width, height, -1); + + /* the pixmap has no colormap, and we need one */ + gdk_drawable_set_colormap (GDK_DRAWABLE (pixmap), + gdk_drawable_get_colormap (window)); + + cr = gdk_cairo_create (GDK_DRAWABLE (retval)); + gdk_cairo_set_source_pixmap (cr, pixmap, -x, -y); + pattern = cairo_get_source (cr); + cairo_pattern_set_extend (pattern, CAIRO_EXTEND_REPEAT); + + cairo_rectangle (cr, 0, 0, width, height); + cairo_fill (cr); + + cairo_destroy (cr); + + g_object_unref (pixmap); + + if (display_grabbed) + gdk_x11_display_ungrab (display); + + return retval; +} + +static MatePanelAppletBackgroundType +mate_panel_applet_handle_background_string (MatePanelApplet *applet, + GdkColor *color, + GdkPixmap **pixmap) +{ + MatePanelAppletBackgroundType retval; + char **elements; + + retval = PANEL_NO_BACKGROUND; + + if (!gtk_widget_get_realized (GTK_WIDGET (applet)) || !applet->priv->background) + return retval; + + elements = g_strsplit (applet->priv->background, ":", -1); + + if (elements [0] && !strcmp (elements [0], "none" )) { + retval = PANEL_NO_BACKGROUND; + + } else if (elements [0] && !strcmp (elements [0], "color")) { + g_return_val_if_fail (color != NULL, PANEL_NO_BACKGROUND); + + if (!elements [1] || !mate_panel_applet_parse_color (elements [1], color)) { + + g_warning ("Incomplete '%s' background type received", elements [0]); + g_strfreev (elements); + return PANEL_NO_BACKGROUND; + } + + retval = PANEL_COLOR_BACKGROUND; + + } else if (elements [0] && !strcmp (elements [0], "pixmap")) { + GdkNativeWindow pixmap_id; + int x, y; + + g_return_val_if_fail (pixmap != NULL, PANEL_NO_BACKGROUND); + + if (!mate_panel_applet_parse_pixmap_str (elements [1], &pixmap_id, &x, &y)) { + g_warning ("Incomplete '%s' background type received: %s", + elements [0], elements [1]); + + g_strfreev (elements); + return PANEL_NO_BACKGROUND; + } + + *pixmap = mate_panel_applet_get_pixmap (applet, pixmap_id, x, y); + if (!*pixmap) { + g_warning ("Failed to get pixmap %s", elements [1]); + g_strfreev (elements); + return PANEL_NO_BACKGROUND; + } + + retval = PANEL_PIXMAP_BACKGROUND; + } else + g_warning ("Unknown background type received"); + + g_strfreev (elements); + + return retval; +} + +MatePanelAppletBackgroundType +mate_panel_applet_get_background (MatePanelApplet *applet, + GdkColor *color, + GdkPixmap **pixmap) +{ + g_return_val_if_fail (PANEL_IS_APPLET (applet), PANEL_NO_BACKGROUND); + + /* initial sanity */ + if (pixmap != NULL) + *pixmap = NULL; + if (color != NULL) + memset (color, 0, sizeof (GdkColor)); + + return mate_panel_applet_handle_background_string (applet, color, pixmap); +} + +static void +mate_panel_applet_set_background_string (MatePanelApplet *applet, + const gchar *background) +{ + if (applet->priv->background == background) + return; + + if (g_strcmp0 (applet->priv->background, background) == 0) + return; + + if (applet->priv->background) + g_free (applet->priv->background); + applet->priv->background = background ? g_strdup (background) : NULL; + mate_panel_applet_handle_background (applet); + + g_object_notify (G_OBJECT (applet), "background"); +} + +static void +mate_panel_applet_update_background_for_widget (GtkWidget *widget, + MatePanelAppletBackgroundType type, + GdkColor *color, + GdkPixmap *pixmap) +{ + GtkRcStyle *rc_style; + GtkStyle *style; + + /* reset style */ + gtk_widget_set_style (widget, NULL); + rc_style = gtk_rc_style_new (); + gtk_widget_modify_style (widget, rc_style); + g_object_unref (rc_style); + + switch (type) { + case PANEL_NO_BACKGROUND: + break; + case PANEL_COLOR_BACKGROUND: + gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, color); + break; + case PANEL_PIXMAP_BACKGROUND: + style = gtk_style_copy (gtk_widget_get_style (widget)); + if (style->bg_pixmap[GTK_STATE_NORMAL]) + g_object_unref (style->bg_pixmap[GTK_STATE_NORMAL]); + style->bg_pixmap[GTK_STATE_NORMAL] = g_object_ref (pixmap); + gtk_widget_set_style (widget, style); + g_object_unref (style); + break; + default: + g_assert_not_reached (); + break; + } +} + +static void +mate_panel_applet_handle_background (MatePanelApplet *applet) +{ + MatePanelAppletBackgroundType type; + GdkColor color; + GdkPixmap *pixmap; + + type = mate_panel_applet_get_background (applet, &color, &pixmap); + + if (applet->priv->background_widget) + mate_panel_applet_update_background_for_widget (applet->priv->background_widget, + type, &color, pixmap); + + switch (type) { + case PANEL_NO_BACKGROUND: + g_signal_emit (G_OBJECT (applet), + mate_panel_applet_signals [CHANGE_BACKGROUND], + 0, PANEL_NO_BACKGROUND, NULL, NULL); + break; + case PANEL_COLOR_BACKGROUND: + g_signal_emit (G_OBJECT (applet), + mate_panel_applet_signals [CHANGE_BACKGROUND], + 0, PANEL_COLOR_BACKGROUND, &color, NULL); + break; + case PANEL_PIXMAP_BACKGROUND: + g_signal_emit (G_OBJECT (applet), + mate_panel_applet_signals [CHANGE_BACKGROUND], + 0, PANEL_PIXMAP_BACKGROUND, NULL, pixmap); + + g_object_unref (pixmap); + break; + default: + g_assert_not_reached (); + break; + } +} + +static void +mate_panel_applet_realize (GtkWidget *widget) +{ + GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->realize (widget); + + if (MATE_PANEL_APPLET (widget)->priv->background) + mate_panel_applet_handle_background (MATE_PANEL_APPLET (widget)); +} + +static void +mate_panel_applet_move_focus_out_of_applet (MatePanelApplet *applet, + GtkDirectionType dir) +{ + GtkWidget *toplevel; + + applet->priv->moving_focus_out = TRUE; + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (applet)); + g_return_if_fail (toplevel); + + gtk_widget_child_focus (toplevel, dir); + applet->priv->moving_focus_out = FALSE; +} + +static void +mate_panel_applet_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (object); + + switch (prop_id) { + case PROP_ID: + g_value_set_string (value, applet->priv->id); + break; + case PROP_CLOSURE: + g_value_set_pointer (value, applet->priv->closure); + break; + case PROP_CONNECTION: + g_value_set_object (value, applet->priv->connection); + break; + case PROP_PREFS_KEY: + g_value_set_string (value, applet->priv->prefs_key); + break; + case PROP_ORIENT: + g_value_set_uint (value, applet->priv->orient); + break; + case PROP_SIZE: + g_value_set_uint (value, applet->priv->size); + break; + case PROP_BACKGROUND: + g_value_set_string (value, applet->priv->background); + break; + case PROP_FLAGS: + g_value_set_uint (value, applet->priv->flags); + break; + case PROP_SIZE_HINTS: { + GVariant **children; + GVariant *variant; + gint i; + + children = g_new (GVariant *, applet->priv->size_hints_len); + for (i = 0; i < applet->priv->size_hints_len; i++) + children[i] = g_variant_new_int32 (applet->priv->size_hints[i]); + variant = g_variant_new_array (G_VARIANT_TYPE_INT32, + children, applet->priv->size_hints_len); + g_free (children); + g_value_set_pointer (value, variant); + } + break; + case PROP_LOCKED: + g_value_set_boolean (value, applet->priv->locked); + break; + case PROP_LOCKED_DOWN: + g_value_set_boolean (value, applet->priv->locked_down); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +mate_panel_applet_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (object); + + switch (prop_id) { + case PROP_ID: + applet->priv->id = g_value_dup_string (value); + break; + case PROP_CLOSURE: + applet->priv->closure = g_value_get_pointer (value); + g_closure_set_marshal (applet->priv->closure, + mate_panel_applet_marshal_BOOLEAN__STRING); + break; + case PROP_CONNECTION: + applet->priv->connection = g_value_dup_object (value); + break; + case PROP_PREFS_KEY: + mate_panel_applet_set_preferences_key (applet, g_value_get_string (value)); + break; + case PROP_ORIENT: + mate_panel_applet_set_orient (applet, g_value_get_uint (value)); + break; + case PROP_SIZE: + mate_panel_applet_set_size (applet, g_value_get_uint (value)); + break; + case PROP_BACKGROUND: + mate_panel_applet_set_background_string (applet, g_value_get_string (value)); + break; + case PROP_FLAGS: + mate_panel_applet_set_flags (applet, g_value_get_uint (value)); + break; + case PROP_SIZE_HINTS: { + const int *size_hints; + gsize n_elements; + + size_hints = g_variant_get_fixed_array (g_value_get_pointer (value), + &n_elements, sizeof (gint32)); + mate_panel_applet_set_size_hints (applet, size_hints, n_elements, 0); + } + break; + case PROP_LOCKED: + mate_panel_applet_set_locked (applet, g_value_get_boolean (value)); + break; + case PROP_LOCKED_DOWN: + mate_panel_applet_set_locked_down (applet, g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +add_tab_bindings (GtkBindingSet *binding_set, + GdkModifierType modifiers, + GtkDirectionType direction) +{ + gtk_binding_entry_add_signal (binding_set, GDK_Tab, modifiers, + "move_focus_out_of_applet", 1, + GTK_TYPE_DIRECTION_TYPE, direction); + gtk_binding_entry_add_signal (binding_set, GDK_KP_Tab, modifiers, + "move_focus_out_of_applet", 1, + GTK_TYPE_DIRECTION_TYPE, direction); +} + +static void +mate_panel_applet_setup (MatePanelApplet *applet) +{ + GValue value = {0, }; + GArray *params; + gint i; + gboolean ret; + + g_assert (applet->priv->id != NULL && + applet->priv->closure != NULL); + + params = g_array_sized_new (FALSE, TRUE, sizeof (GValue), 2); + value.g_type = 0; + g_value_init (&value, G_TYPE_OBJECT); + g_value_set_object (&value, G_OBJECT (applet)); + g_array_append_val (params, value); + + value.g_type = 0; + g_value_init (&value, G_TYPE_STRING); + g_value_set_string (&value, applet->priv->id); + g_array_append_val (params, value); + + value.g_type = 0; + g_value_init (&value, G_TYPE_BOOLEAN); + + g_closure_invoke (applet->priv->closure, + &value, params->len, + (GValue *) params->data, + NULL); + + for (i = 0; i < params->len; i++) + g_value_unset (&g_array_index (params, GValue, i)); + g_array_free (params, TRUE); + + ret = g_value_get_boolean (&value); + g_value_unset (&value); + + if (!ret) { /* FIXME */ + g_warning ("need to free the control here"); + + return; + } +} + +static void +mate_panel_applet_init (MatePanelApplet *applet) +{ + applet->priv = MATE_PANEL_APPLET_GET_PRIVATE (applet); + + applet->priv->flags = MATE_PANEL_APPLET_FLAGS_NONE; + applet->priv->orient = MATE_PANEL_APPLET_ORIENT_UP; + applet->priv->size = 24; + + applet->priv->client = mateconf_client_get_default (); + + applet->priv->panel_action_group = gtk_action_group_new ("PanelActions"); + gtk_action_group_set_translation_domain (applet->priv->panel_action_group, GETTEXT_PACKAGE); + gtk_action_group_add_actions (applet->priv->panel_action_group, + menu_entries, + G_N_ELEMENTS (menu_entries), + applet); + gtk_action_group_add_toggle_actions (applet->priv->panel_action_group, + menu_toggle_entries, + G_N_ELEMENTS (menu_toggle_entries), + applet); + + applet->priv->ui_manager = gtk_ui_manager_new (); + gtk_ui_manager_insert_action_group (applet->priv->ui_manager, + applet->priv->panel_action_group, 1); + gtk_ui_manager_add_ui_from_string (applet->priv->ui_manager, + panel_menu_ui, -1, NULL); + + + + + applet->priv->plug = gtk_plug_new (0); + g_signal_connect_swapped (G_OBJECT (applet->priv->plug), "embedded", + G_CALLBACK (mate_panel_applet_setup), + applet); + + gtk_widget_set_events (GTK_WIDGET (applet), + GDK_BUTTON_PRESS_MASK | + GDK_BUTTON_RELEASE_MASK); + + gtk_container_add (GTK_CONTAINER (applet->priv->plug), GTK_WIDGET (applet)); +} + +static void mate_panel_applet_constructed(GObject* object) +{ + MatePanelApplet* applet = MATE_PANEL_APPLET(object); + + /* Voy a renombrar la clase para que se pueda tener compatibilidad con todos + * los estilos visuales de GTK2 + * + * Issue #27 + */ + gtk_widget_set_name(GTK_WIDGET(applet), "PanelApplet"); + + mate_panel_applet_register_object (applet); +} + +static void +mate_panel_applet_class_init (MatePanelAppletClass *klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GtkObjectClass *object_class = (GtkObjectClass *) klass; + GtkWidgetClass *widget_class = (GtkWidgetClass *) klass; + GtkBindingSet *binding_set; + + gobject_class->get_property = mate_panel_applet_get_property; + gobject_class->set_property = mate_panel_applet_set_property; + gobject_class->constructed = mate_panel_applet_constructed; + klass->move_focus_out_of_applet = mate_panel_applet_move_focus_out_of_applet; + + widget_class->button_press_event = mate_panel_applet_button_press; + widget_class->button_release_event = mate_panel_applet_button_release; + widget_class->size_request = mate_panel_applet_size_request; + widget_class->size_allocate = mate_panel_applet_size_allocate; + widget_class->expose_event = mate_panel_applet_expose; + widget_class->focus = mate_panel_applet_focus; + widget_class->realize = mate_panel_applet_realize; + widget_class->popup_menu = mate_panel_applet_popup_menu; + + gobject_class->finalize = mate_panel_applet_finalize; + + g_type_class_add_private (klass, sizeof (MatePanelAppletPrivate)); + + g_object_class_install_property (gobject_class, + PROP_ID, + g_param_spec_string ("id", + "Id", + "The Applet identifier", + NULL, + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_CLOSURE, + g_param_spec_pointer ("closure", + "GClosure", + "The Applet closure", + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_CONNECTION, + g_param_spec_object ("connection", + "Connection", + "The DBus Connection", + G_TYPE_DBUS_CONNECTION, + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_PREFS_KEY, + g_param_spec_string ("prefs-key", + "PrefsKey", + "MateConf Preferences Key", + NULL, + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_ORIENT, + g_param_spec_uint ("orient", + "Orient", + "Panel Applet Orientation", + 0, G_MAXUINT, 0, /* FIXME */ + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_SIZE, + g_param_spec_uint ("size", + "Size", + "Panel Applet Size", + 0, G_MAXUINT, 0, + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_BACKGROUND, + g_param_spec_string ("background", + "Background", + "Panel Applet Background", + NULL, + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_FLAGS, + g_param_spec_uint ("flags", + "Flags", + "Panel Applet flags", + 0, G_MAXUINT, 0, /* FIXME */ + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_SIZE_HINTS, + /* FIXME: value_array? */ + g_param_spec_pointer ("size-hints", + "SizeHints", + "Panel Applet Size Hints", + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_LOCKED, + g_param_spec_boolean ("locked", + "Locked", + "Whether Panel Applet is locked", + FALSE, + G_PARAM_READWRITE)); + g_object_class_install_property (gobject_class, + PROP_LOCKED_DOWN, + g_param_spec_boolean ("locked-down", + "LockedDown", + "Whether Panel Applet is locked down", + FALSE, + G_PARAM_READWRITE)); + + mate_panel_applet_signals [CHANGE_ORIENT] = + g_signal_new ("change_orient", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MatePanelAppletClass, change_orient), + NULL, + NULL, + mate_panel_applet_marshal_VOID__UINT, + G_TYPE_NONE, + 1, + G_TYPE_UINT); + + mate_panel_applet_signals [CHANGE_SIZE] = + g_signal_new ("change_size", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MatePanelAppletClass, change_size), + NULL, + NULL, + mate_panel_applet_marshal_VOID__INT, + G_TYPE_NONE, + 1, + G_TYPE_INT); + + mate_panel_applet_signals [CHANGE_BACKGROUND] = + g_signal_new ("change_background", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (MatePanelAppletClass, change_background), + NULL, + NULL, + mate_panel_applet_marshal_VOID__ENUM_BOXED_OBJECT, + G_TYPE_NONE, + 3, + PANEL_TYPE_MATE_PANEL_APPLET_BACKGROUND_TYPE, + GDK_TYPE_COLOR, + GDK_TYPE_PIXMAP); + + mate_panel_applet_signals [MOVE_FOCUS_OUT_OF_APPLET] = + g_signal_new ("move_focus_out_of_applet", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (MatePanelAppletClass, move_focus_out_of_applet), + NULL, + NULL, + mate_panel_applet_marshal_VOID__ENUM, + G_TYPE_NONE, + 1, + GTK_TYPE_DIRECTION_TYPE); + + binding_set = gtk_binding_set_by_class (object_class); + add_tab_bindings (binding_set, 0, GTK_DIR_TAB_FORWARD); + add_tab_bindings (binding_set, GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD); + add_tab_bindings (binding_set, GDK_CONTROL_MASK, GTK_DIR_TAB_FORWARD); + add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_DIR_TAB_BACKWARD); +} + +GtkWidget* mate_panel_applet_new(void) +{ + MatePanelApplet* applet = g_object_new(PANEL_TYPE_APPLET, NULL); + + return GTK_WIDGET(applet); +} + +static void +method_call_cb (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *method_name, + GVariant *parameters, + GDBusMethodInvocation *invocation, + gpointer user_data) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (user_data); + + if (g_strcmp0 (method_name, "PopupMenu") == 0) { + guint button; + guint time; + + g_variant_get (parameters, "(uu)", &button, &time); + mate_panel_applet_menu_popup (applet, button, time); + + g_dbus_method_invocation_return_value (invocation, NULL); + } +} + +static GVariant * +get_property_cb (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *property_name, + GError **error, + gpointer user_data) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (user_data); + GVariant *retval = NULL; + + if (g_strcmp0 (property_name, "PrefsKey") == 0) { + retval = g_variant_new_string (applet->priv->prefs_key ? + applet->priv->prefs_key : ""); + } else if (g_strcmp0 (property_name, "Orient") == 0) { + retval = g_variant_new_uint32 (applet->priv->orient); + } else if (g_strcmp0 (property_name, "Size") == 0) { + retval = g_variant_new_uint32 (applet->priv->size); + } else if (g_strcmp0 (property_name, "Background") == 0) { + retval = g_variant_new_string (applet->priv->background ? + applet->priv->background : ""); + } else if (g_strcmp0 (property_name, "Flags") == 0) { + retval = g_variant_new_uint32 (applet->priv->flags); + } else if (g_strcmp0 (property_name, "SizeHints") == 0) { + GVariant **children; + gint i; + + children = g_new (GVariant *, applet->priv->size_hints_len); + for (i = 0; i < applet->priv->size_hints_len; i++) + children[i] = g_variant_new_int32 (applet->priv->size_hints[i]); + retval = g_variant_new_array (G_VARIANT_TYPE_INT32, + children, applet->priv->size_hints_len); + g_free (children); + } else if (g_strcmp0 (property_name, "Locked") == 0) { + retval = g_variant_new_boolean (applet->priv->locked); + } else if (g_strcmp0 (property_name, "LockedDown") == 0) { + retval = g_variant_new_boolean (applet->priv->locked_down); + } + + return retval; +} + +static gboolean +set_property_cb (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *property_name, + GVariant *value, + GError **error, + gpointer user_data) +{ + MatePanelApplet *applet = MATE_PANEL_APPLET (user_data); + + if (g_strcmp0 (property_name, "PrefsKey") == 0) { + mate_panel_applet_set_preferences_key (applet, g_variant_get_string (value, NULL)); + } else if (g_strcmp0 (property_name, "Orient") == 0) { + mate_panel_applet_set_orient (applet, g_variant_get_uint32 (value)); + } else if (g_strcmp0 (property_name, "Size") == 0) { + mate_panel_applet_set_size (applet, g_variant_get_uint32 (value)); + } else if (g_strcmp0 (property_name, "Background") == 0) { + mate_panel_applet_set_background_string (applet, g_variant_get_string (value, NULL)); + } else if (g_strcmp0 (property_name, "Flags") == 0) { + mate_panel_applet_set_flags (applet, g_variant_get_uint32 (value)); + } else if (g_strcmp0 (property_name, "SizeHints") == 0) { + const int *size_hints; + gsize n_elements; + + size_hints = g_variant_get_fixed_array (value, &n_elements, sizeof (gint32)); + mate_panel_applet_set_size_hints (applet, size_hints, n_elements, 0); + } else if (g_strcmp0 (property_name, "Locked") == 0) { + mate_panel_applet_set_locked (applet, g_variant_get_boolean (value)); + } else if (g_strcmp0 (property_name, "LockedDown") == 0) { + mate_panel_applet_set_locked_down (applet, g_variant_get_boolean (value)); + } + + return TRUE; +} + +static const gchar introspection_xml[] = + "<node>" + "<interface name='org.mate.panel.applet.Applet'>" + "<method name='PopupMenu'>" + "<arg name='button' type='u' direction='in'/>" + "<arg name='time' type='u' direction='in'/>" + "</method>" + "<property name='PrefsKey' type='s' access='readwrite'/>" + "<property name='Orient' type='u' access='readwrite' />" + "<property name='Size' type='u' access='readwrite'/>" + "<property name='Background' type='s' access='readwrite'/>" + "<property name='Flags' type='u' access='readwrite'/>" + "<property name='SizeHints' type='ai' access='readwrite'/>" + "<property name='Locked' type='b' access='readwrite'/>" + "<property name='LockedDown' type='b' access='readwrite'/>" + "<signal name='Move' />" + "<signal name='RemoveFromPanel' />" + "<signal name='Lock' />" + "<signal name='Unlock' />" + "</interface>" + "</node>"; + +static const GDBusInterfaceVTable interface_vtable = { + method_call_cb, + get_property_cb, + set_property_cb +}; + +static GDBusNodeInfo *introspection_data = NULL; + +static void +mate_panel_applet_register_object (MatePanelApplet *applet) +{ + GError *error = NULL; + static gint id = 0; + + if (!introspection_data) + introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL); + + applet->priv->object_path = g_strdup_printf (MATE_PANEL_APPLET_OBJECT_PATH, applet->priv->id, id++); + applet->priv->object_id = + g_dbus_connection_register_object (applet->priv->connection, + applet->priv->object_path, + introspection_data->interfaces[0], + &interface_vtable, + applet, NULL, + &error); + if (!applet->priv->object_id) { + g_printerr ("Failed to register object %s: %s\n", applet->priv->object_path, error->message); + g_error_free (error); + } +} + +static void mate_panel_applet_factory_main_finalized(gpointer data, GObject* object) +{ + gtk_main_quit(); + + if (introspection_data) + { + g_dbus_node_info_unref(introspection_data); + introspection_data = NULL; + } +} + +static int (*_x_error_func) (Display *, XErrorEvent *); + +static int +_x_error_handler (Display *display, XErrorEvent *error) +{ + if (!error->error_code) + return 0; + + /* If we got a BadDrawable or a BadWindow, we ignore it for now. + * FIXME: We need to somehow distinguish real errors from + * X-server-induced errors. Keeping a list of windows for which we + * will ignore BadDrawables would be a good idea. */ + if (error->error_code == BadDrawable || + error->error_code == BadWindow) + return 0; + + return _x_error_func (display, error); +} + +/* + * To do graphical embedding in the X window system, MATE Panel + * uses the classic foreign-window-reparenting trick. The + * GtkPlug/GtkSocket widgets are used for this purpose. However, + * serious robustness problems arise if the GtkSocket end of the + * connection unexpectedly dies. The X server sends out DestroyNotify + * events for the descendants of the GtkPlug (i.e., your embedded + * component's windows) in effectively random order. Furthermore, if + * you happened to be drawing on any of those windows when the + * GtkSocket was destroyed (a common state of affairs), an X error + * will kill your application. + * + * To solve this latter problem, MATE Panel sets up its own X error + * handler which ignores certain X errors that might have been + * caused by such a scenario. Other X errors get passed to gdk_x_error + * normally. + */ +static void +_mate_panel_applet_setup_x_error_handler (void) +{ + static gboolean error_handler_setup = FALSE; + + if (error_handler_setup) + return; + + error_handler_setup = TRUE; + + _x_error_func = XSetErrorHandler (_x_error_handler); +} + +int mate_panel_applet_factory_main(const gchar* factory_id, gboolean out_process, GType applet_type, MatePanelAppletFactoryCallback callback, gpointer user_data) +{ + MatePanelAppletFactory* factory; + GClosure* closure; + + g_return_val_if_fail(factory_id != NULL, 1); + g_return_val_if_fail(callback != NULL, 1); + g_assert(g_type_is_a(applet_type, PANEL_TYPE_APPLET)); + + if (out_process) + { + _mate_panel_applet_setup_x_error_handler(); + } + + closure = g_cclosure_new(G_CALLBACK(callback), user_data, NULL); + factory = mate_panel_applet_factory_new(factory_id, applet_type, closure); + g_closure_unref(closure); + + if (mate_panel_applet_factory_register_service(factory)) + { + if (out_process) + { + g_object_weak_ref(G_OBJECT(factory), mate_panel_applet_factory_main_finalized, NULL); + gtk_main(); + } + + return 0; + } + + g_object_unref (factory); + + return 1; +} + +void +mate_panel_applet_set_background_widget (MatePanelApplet *applet, + GtkWidget *widget) +{ + applet->priv->background_widget = widget; + + if (widget) { + MatePanelAppletBackgroundType type; + GdkColor color; + GdkPixmap *pixmap; + + type = mate_panel_applet_get_background (applet, &color, &pixmap); + mate_panel_applet_update_background_for_widget (widget, type, + &color, pixmap); + if (type == PANEL_PIXMAP_BACKGROUND) + g_object_unref (pixmap); + } +} + +guint32 +mate_panel_applet_get_xid (MatePanelApplet *applet, + GdkScreen *screen) +{ + gtk_window_set_screen (GTK_WINDOW (applet->priv->plug), screen); + gtk_widget_show (applet->priv->plug); + + return gtk_plug_get_id (GTK_PLUG (applet->priv->plug)); +} + +const gchar * +mate_panel_applet_get_object_path (MatePanelApplet *applet) +{ + return applet->priv->object_path; +} |