/* * mate-panel-applet.c: panel applet writing library. * * Copyright (c) 2010 Carlos Garcia Campos * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. * * Authors: * Mark McLoughlin */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "mate-panel-applet.h" #include "panel-applet-private.h" #include "mate-panel-applet-factory.h" #include "mate-panel-applet-marshal.h" #include "mate-panel-applet-enums.h" #include "panel-plug-private.h" #define MATE_PANEL_APPLET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), PANEL_TYPE_APPLET, MatePanelAppletPrivate)) struct _MatePanelAppletPrivate { GtkWidget *plug; GtkWidget *applet; GDBusConnection *connection; gboolean out_of_process; char *id; GClosure *closure; char *object_path; guint object_id; char *prefs_path; GtkUIManager *ui_manager; GtkActionGroup *applet_action_group; GtkActionGroup *panel_action_group; MatePanelAppletFlags flags; MatePanelAppletOrient orient; guint size; char *background; 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, LAST_SIGNAL }; static guint mate_panel_applet_signals[LAST_SIGNAL] = { 0 }; enum { PROP_0, PROP_OUT_OF_PROCESS, PROP_ID, PROP_CLOSURE, PROP_CONNECTION, PROP_PREFS_PATH, 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); void _mate_panel_applet_apply_css (GtkWidget* widget, MatePanelAppletBackgroundType type); static const gchar panel_menu_ui[] = "\n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" "\n"; static const GtkActionEntry menu_entries[] = { { "Remove", "list-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" char * mate_panel_applet_get_preferences_path (MatePanelApplet *applet) { g_return_val_if_fail (PANEL_IS_APPLET (applet), NULL); if (!applet->priv->prefs_path) return NULL; return g_strdup (applet->priv->prefs_path); } static void mate_panel_applet_set_preferences_path (MatePanelApplet *applet, const char *prefs_path) { if (applet->priv->prefs_path == prefs_path) return; if (g_strcmp0 (applet->priv->prefs_path, prefs_path) == 0) return; if (prefs_path) { applet->priv->prefs_path = g_strdup (prefs_path); } g_object_notify (G_OBJECT (applet), "prefs-path"); } 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; } /** * mate_panel_applet_set_size_hints: * @applet: applet * @size_hints: (array length=n_elements): List of integers * @n_elements: Length of @size_hints * @base_size: base_size */ 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"); } 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_window_get_screen (GTK_WINDOW (applet->priv->plug)); root = gdk_screen_get_root_window (screen); display = gdk_screen_get_display (screen); xdisplay = GDK_DISPLAY_XDISPLAY (display); xroot = GDK_WINDOW_XID (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 ("" "%s\n\n" "\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); } /** * mate_panel_applet_setup_menu_from_resource: * @applet: a #MatePanelApplet. * @resource_path: a resource path * @action_group: a #GtkActionGroup. * * Sets up the context menu of @applet. @filename is a resource path to a menu * XML file, containing a #GtkUIManager UI definition that describes how to * display the menu items. @action_group contains the various #GtkAction that * are referenced in @xml. * * See also the Context * Menu section. * * Since: 1.20.1 **/ void mate_panel_applet_setup_menu_from_resource (MatePanelApplet *applet, const gchar *resource_path, GtkActionGroup *action_group) { GBytes *bytes; GError *error = NULL; bytes = g_resources_lookup_data (resource_path, G_RESOURCE_LOOKUP_FLAGS_NONE, &error); if (bytes) { mate_panel_applet_setup_menu (applet, g_bytes_get_data (bytes, NULL), action_group); } else { g_warning ("%s", error->message); g_error_free (error); } g_bytes_unref (bytes); } 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_path (applet, 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_path); 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; GdkDevice *device; 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_menu_set_screen (menu, screen); gtk_widget_get_preferred_size (GTK_WIDGET (menu), &requisition, NULL); gdk_window_get_origin (gtk_widget_get_window (widget), &menu_x, &menu_y); device = gdk_seat_get_pointer (gdk_display_get_default_seat (gtk_widget_get_display (widget))); gdk_window_get_device_position (gtk_widget_get_window (widget), device, &pointer_x, &pointer_y, NULL); 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, WidthOfScreen (gdk_x11_screen_get_xscreen (screen)) - requisition.width); if (menu_y > HeightOfScreen (gdk_x11_screen_get_xscreen (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, HeightOfScreen (gdk_x11_screen_get_xscreen (screen)) - requisition.height); if (menu_x > WidthOfScreen (gdk_x11_screen_get_xscreen (screen)) / 2) menu_x -= requisition.width; else menu_x += allocation.width; } *x = menu_x; *y = menu_y; *push_in = FALSE; } 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"); /* Set up theme and transparency support */ GtkWidget *toplevel = gtk_widget_get_toplevel (menu); /* Fix any failures of compiz/other wm's to communicate with gtk for transparency */ GdkScreen *screen = gtk_widget_get_screen(GTK_WIDGET(toplevel)); GdkVisual *visual = gdk_screen_get_rgba_visual(screen); gtk_widget_set_visual(GTK_WIDGET(toplevel), visual); /* Set menu and it's toplevel window to follow panel theme */ GtkStyleContext *context; context = gtk_widget_get_style_context (GTK_WIDGET(toplevel)); gtk_style_context_add_class(context,"gnome-panel-menu-bar"); gtk_style_context_add_class(context,"mate-panel-menu-bar"); 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 (MatePanelApplet *applet, GdkEventButton *event) { GtkWidget *widget; GdkWindow *window; GdkWindow *socket_window; XEvent xevent; if (!applet->priv->out_of_process) return FALSE; widget = applet->priv->plug; 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) { GdkDisplay *display; GdkSeat *seat; xevent.xbutton.type = ButtonPress; display = gdk_display_get_default (); seat = gdk_display_get_default_seat (display); /* 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_seat_ungrab (seat); } else { xevent.xbutton.type = ButtonRelease; } xevent.xbutton.display = GDK_WINDOW_XDISPLAY (window); xevent.xbutton.window = GDK_WINDOW_XID (socket_window); xevent.xbutton.root = GDK_WINDOW_XID (gdk_screen_get_root_window (gdk_window_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_XID (socket_window), False, NoEventMask, &xevent); gdk_flush (); gdk_error_trap_pop_ignored (); 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, 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, 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_get_preferred_width (GtkWidget *widget, int *minimum_width, int *natural_width) { GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->get_preferred_width (widget, minimum_width, natural_width); #if !GTK_CHECK_VERSION (3, 23, 0) MatePanelApplet *applet = MATE_PANEL_APPLET (widget); if (applet->priv->out_of_process) { /* Out-of-process applets end up scaled up doubly with GTK 3.22. * For these builds divide by the scale factor to ensure * they are back at their own intended size. */ gint scale; scale = gtk_widget_get_scale_factor (widget); *minimum_width /= scale; *natural_width /= scale; } #endif } static void mate_panel_applet_get_preferred_height (GtkWidget *widget, int *minimum_height, int *natural_height) { GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->get_preferred_height (widget, minimum_height, natural_height); #if !GTK_CHECK_VERSION (3, 23, 0) MatePanelApplet *applet = MATE_PANEL_APPLET (widget); if (applet->priv->out_of_process) { gint scale; /* Out-of-process applets end up scaled up doubly with GTK 3.22. * For these builds divide by the scale factor to ensure * they are back at their own intended size. */ scale = gtk_widget_get_scale_factor (widget); *minimum_height /= scale; *natural_height /= scale; } #endif } static GtkSizeRequestMode mate_panel_applet_get_request_mode (GtkWidget *widget) { /*Do not use GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH *or GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT *to avoid problems with in-process applets *when the panel is not expanded *See https://github.com/mate-desktop/mate-panel/issues/797 *and https://github.com/mate-desktop/mate-panel/issues/799 *Out of process applets already use GTK_SIZE_REQUEST_CONSTANT_SIZE */ return GTK_SIZE_REQUEST_CONSTANT_SIZE; } static void mate_panel_applet_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkAllocation child_allocation; GtkBin *bin; GtkWidget *child; int border_width; MatePanelApplet *applet; if (!mate_panel_applet_can_focus (widget)) { GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->size_allocate (widget, allocation); } else { border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); gtk_widget_set_allocation (widget, allocation); bin = GTK_BIN (widget); child_allocation.x = 0; child_allocation.y = 0; 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 = 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_draw(GtkWidget* widget, cairo_t* cr) { GtkStyleContext *context; int border_width; gdouble x, y, width, height; GTK_WIDGET_CLASS (mate_panel_applet_parent_class)->draw(widget, cr); if (!gtk_widget_has_focus (widget)) return FALSE; width = gtk_widget_get_allocated_width (widget); height = gtk_widget_get_allocated_height (widget); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); x = 0; y = 0; width -= 2 * border_width; height -= 2 * border_width; context = gtk_widget_get_style_context (widget); gtk_style_context_save (context); cairo_save (cr); gtk_render_focus (context, cr, x, y, width, height); cairo_restore (cr); gtk_style_context_restore (context); 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, GdkRGBA *color) { g_assert (color_str && color); return gdk_rgba_parse (color, color_str); } static gboolean mate_panel_applet_parse_pixmap_str (const char *str, Window *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 cairo_surface_t * mate_panel_applet_create_foreign_surface_for_display (GdkDisplay *display, GdkVisual *visual, Window xid) { Status result = 0; Window window; gint x, y; guint width, height, border, depth; gdk_error_trap_push (); result = XGetGeometry (GDK_DISPLAY_XDISPLAY (display), xid, &window, &x, &y, &width, &height, &border, &depth); gdk_error_trap_pop_ignored (); if (result == 0) return NULL; return cairo_xlib_surface_create (GDK_DISPLAY_XDISPLAY (display), xid, gdk_x11_visual_get_xvisual (visual), width, height); } static cairo_pattern_t * mate_panel_applet_get_pattern_from_pixmap (MatePanelApplet *applet, Window xid, int x, int y) { cairo_surface_t *background; cairo_surface_t *surface; 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; window = gtk_widget_get_window (GTK_WIDGET (applet)); background = mate_panel_applet_create_foreign_surface_for_display (gdk_window_get_display (window), gdk_window_get_visual (window), xid); /* background can be NULL if the user changes the background very fast. * We'll get the next update, so it's not a big deal. */ if (!background || cairo_surface_status (background) != CAIRO_STATUS_SUCCESS) { if (background) cairo_surface_destroy (background); return NULL; } width = gdk_window_get_width(window); height = gdk_window_get_height(window); surface = gdk_window_create_similar_surface (window, CAIRO_CONTENT_COLOR_ALPHA, width, height); gdk_error_trap_push (); cr = cairo_create (surface); cairo_set_source_surface (cr, background, -x, -y); cairo_rectangle (cr, 0, 0, width, height); cairo_fill (cr); gdk_error_trap_pop_ignored (); cairo_surface_destroy (background); pattern = NULL; if (cairo_status (cr) == CAIRO_STATUS_SUCCESS) { pattern = cairo_pattern_create_for_surface (surface); } cairo_destroy (cr); cairo_surface_destroy (surface); return pattern; } static MatePanelAppletBackgroundType mate_panel_applet_handle_background_string (MatePanelApplet *applet, GdkRGBA *color, cairo_pattern_t **pattern) { 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")) { Window pixmap_id; int x, y; g_return_val_if_fail (pattern != 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; } *pattern = mate_panel_applet_get_pattern_from_pixmap (applet, pixmap_id, x, y); if (!*pattern) { g_warning ("Failed to get pattern %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, GdkRGBA *color, cairo_pattern_t **pattern) { g_return_val_if_fail (PANEL_IS_APPLET (applet), PANEL_NO_BACKGROUND); /* initial sanity */ if (pattern != NULL) *pattern = NULL; if (color != NULL) memset (color, 0, sizeof (GdkRGBA)); return mate_panel_applet_handle_background_string (applet, color, pattern); } 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_handle_background (MatePanelApplet *applet) { MatePanelAppletBackgroundType type; GdkRGBA color; cairo_pattern_t *pattern; type = mate_panel_applet_get_background (applet, &color, &pattern); 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, pattern); cairo_pattern_destroy (pattern); 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_change_background(MatePanelApplet *applet, MatePanelAppletBackgroundType type, GdkRGBA* color, cairo_pattern_t *pattern) { GtkStyleContext* context; GdkWindow* window; if (applet->priv->out_of_process) window = gtk_widget_get_window (GTK_WIDGET (applet->priv->plug)); else window = gtk_widget_get_window (GTK_WIDGET (applet)); gtk_widget_set_app_paintable(GTK_WIDGET(applet),TRUE); if (applet->priv->out_of_process) _mate_panel_applet_apply_css(GTK_WIDGET(applet->priv->plug),type); switch (type) { case PANEL_NO_BACKGROUND: if (applet->priv->out_of_process){ pattern = cairo_pattern_create_rgba (0,0,0,0); /* Using NULL here breaks transparent */ gdk_window_set_background_pattern(window,pattern); /* backgrounds set by GTK theme */ } break; case PANEL_COLOR_BACKGROUND: if (applet->priv->out_of_process){ gdk_window_set_background_rgba(window,color); gtk_widget_queue_draw (applet->priv->plug); /*change the bg right away always */ } break; case PANEL_PIXMAP_BACKGROUND: if (applet->priv->out_of_process){ gdk_window_set_background_pattern(window,pattern); gtk_widget_queue_draw (applet->priv->plug); /*change the bg right away always */ } break; default: g_assert_not_reached (); break; } if (applet->priv->out_of_process){ context = gtk_widget_get_style_context (GTK_WIDGET(applet->priv->plug)); if (applet->priv->orient == MATE_PANEL_APPLET_ORIENT_UP || applet->priv->orient == MATE_PANEL_APPLET_ORIENT_DOWN){ gtk_style_context_add_class(context,"horizontal"); } else { gtk_style_context_add_class(context,"vertical"); } } } 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_OUT_OF_PROCESS: g_value_set_boolean (value, applet->priv->out_of_process); break; 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_PATH: g_value_set_string (value, applet->priv->prefs_path); 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_OUT_OF_PROCESS: applet->priv->out_of_process = g_value_get_boolean (value); break; 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_PATH: mate_panel_applet_set_preferences_path (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_KEY_Tab, modifiers, "move_focus_out_of_applet", 1, GTK_TYPE_DIRECTION_TYPE, direction); gtk_binding_entry_add_signal (binding_set, GDK_KEY_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; } } void _mate_panel_applet_apply_css(GtkWidget* widget, MatePanelAppletBackgroundType type) { GtkStyleContext* context; context = gtk_widget_get_style_context (widget); switch (type) { case PANEL_NO_BACKGROUND: gtk_style_context_remove_class (context, "mate-custom-panel-background"); break; case PANEL_COLOR_BACKGROUND: case PANEL_PIXMAP_BACKGROUND: gtk_style_context_add_class (context, "mate-custom-panel-background"); break; default: g_assert_not_reached (); break; } } static void _mate_panel_applet_prepare_css (GtkStyleContext *context) { GtkCssProvider *provider; provider = gtk_css_provider_new (); gtk_css_provider_load_from_data (provider, "#PanelPlug {\n" " background-repeat: no-repeat;\n" /*disable in gtk theme features */ " background-size: cover; " /*that don't work on panel-toplevel */ " }\n" ".mate-custom-panel-background{\n" /*prepare CSS for user set theme */ " background-color: rgba (0, 0, 0, 0);\n" " background-image: none;\n" "}", -1, NULL); gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); g_object_unref (provider); } 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->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); gtk_widget_set_events (GTK_WIDGET (applet), GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK); } static GObject * mate_panel_applet_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties) { GObject *object; MatePanelApplet *applet; object = G_OBJECT_CLASS (mate_panel_applet_parent_class)->constructor (type, n_construct_properties, construct_properties); applet = MATE_PANEL_APPLET (object); if (!applet->priv->out_of_process) return object; applet->priv->plug = gtk_plug_new (0); GdkScreen *screen = gtk_widget_get_screen(GTK_WIDGET(applet->priv->plug)); GdkVisual *visual = gdk_screen_get_rgba_visual(screen); gtk_widget_set_visual(GTK_WIDGET(applet->priv->plug), visual); GtkStyleContext *context; context = gtk_widget_get_style_context (GTK_WIDGET(applet->priv->plug)); gtk_style_context_add_class(context,"gnome-panel-menu-bar"); gtk_style_context_add_class(context,"mate-panel-menu-bar"); gtk_widget_set_name(GTK_WIDGET(applet->priv->plug), "PanelPlug"); _mate_panel_applet_prepare_css(context); g_signal_connect_swapped (G_OBJECT (applet->priv->plug), "embedded", G_CALLBACK (mate_panel_applet_setup), applet); gtk_container_add (GTK_CONTAINER (applet->priv->plug), GTK_WIDGET (applet)); return object; } static void mate_panel_applet_constructed (GObject* object) { MatePanelApplet* applet = MATE_PANEL_APPLET(object); /* Rename the class to have compatibility with all GTK2 themes * https://github.com/perberos/Mate-Desktop-Environment/issues/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; 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->constructor = mate_panel_applet_constructor; gobject_class->constructed = mate_panel_applet_constructed; klass->move_focus_out_of_applet = mate_panel_applet_move_focus_out_of_applet; klass->change_background = mate_panel_applet_change_background; widget_class->button_press_event = mate_panel_applet_button_press; widget_class->button_release_event = mate_panel_applet_button_release; widget_class->get_request_mode = mate_panel_applet_get_request_mode; widget_class->get_preferred_width = mate_panel_applet_get_preferred_width; widget_class->get_preferred_height = mate_panel_applet_get_preferred_height; widget_class->draw = mate_panel_applet_draw; widget_class->size_allocate = mate_panel_applet_size_allocate; 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_OUT_OF_PROCESS, g_param_spec_boolean ("out-of-process", "out-of-process", "out-of-process", TRUE, G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE)); 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_PATH, g_param_spec_string ("prefs-path", "PrefsPath", "GSettings Preferences Path", NULL, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_ORIENT, g_param_spec_uint ("orient", "Orient", "Panel Applet Orientation", MATE_PANEL_APPLET_ORIENT_FIRST, MATE_PANEL_APPLET_ORIENT_LAST, MATE_PANEL_APPLET_ORIENT_UP, 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", MATE_PANEL_APPLET_FLAGS_NONE, MATE_PANEL_APPLET_FLAGS_ALL, MATE_PANEL_APPLET_FLAGS_NONE, 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_RGBA, CAIRO_GOBJECT_TYPE_PATTERN); 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 (gobject_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); gtk_widget_class_set_css_name (widget_class, "PanelApplet"); } 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, "PrefsPath") == 0) { retval = g_variant_new_string (applet->priv->prefs_path ? applet->priv->prefs_path : ""); } 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, "PrefsPath") == 0) { mate_panel_applet_set_preferences_path (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[] = "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ""; 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); } static int _mate_panel_applet_factory_main_internal (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, out_process, 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; } /** * mate_panel_applet_factory_main: * @out_process: boolean, dummy to support applets sending it * @factory_id: Factory ID. * @applet_type: GType of the applet this factory creates. * @callback: (scope call): Callback to be called when a new applet is to be created. * @data: (closure): Callback data. * * Returns: 0 on success, 1 if there is an error. */ int mate_panel_applet_factory_main (const gchar *factory_id, gboolean out_process, /*Dummy to support applets w issues with this */ GType applet_type, MatePanelAppletFactoryCallback callback, gpointer user_data) { return _mate_panel_applet_factory_main_internal (factory_id, TRUE, applet_type, callback, user_data); } /** * mate_panel_applet_factory_setup_in_process: (skip) * @factory_id: Factory ID. * @applet_type: GType of the applet this factory creates. * @callback: (scope call): Callback to be called when a new applet is to be created. * @data: (closure): Callback data. * * Returns: 0 on success, 1 if there is an error. */ int mate_panel_applet_factory_setup_in_process (const gchar *factory_id, GType applet_type, MatePanelAppletFactoryCallback callback, gpointer user_data) { return _mate_panel_applet_factory_main_internal (factory_id, FALSE, applet_type, callback, user_data); } /** * mate_panel_applet_set_background_widget: * @applet: a #PanelApplet. * @widget: a #GtkWidget. * * Configure #PanelApplet to automatically draw the background of the applet on * @widget. It is generally enough to call this function with @applet as * @widget. * * Deprecated: 3.20: Do not use this API. Since 3.20 this function does nothing. **/ void mate_panel_applet_set_background_widget (MatePanelApplet *applet, GtkWidget *widget) { } guint32 mate_panel_applet_get_xid (MatePanelApplet *applet, GdkScreen *screen) { if (applet->priv->out_of_process == FALSE) return 0; 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; } G_MODULE_EXPORT GtkWidget * mate_panel_applet_get_applet_widget (const gchar *factory_id, guint uid) { GtkWidget *widget; widget = mate_panel_applet_factory_get_applet_widget (factory_id, uid); if (!widget) { return NULL; } mate_panel_applet_setup (MATE_PANEL_APPLET (widget)); return widget; }