mirror of
https://github.com/elementary/gala.git
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340 lines
14 KiB
Vala
340 lines
14 KiB
Vala
//
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// Copyright 2018-2020 elementary, Inc. (https://elementary.io)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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namespace Gala {
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const string DBUS_NAME = "org.pantheon.gala";
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const string DBUS_OBJECT_PATH = "/org/pantheon/gala";
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const string DAEMON_DBUS_NAME = "org.pantheon.gala.daemon";
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const string DAEMON_DBUS_OBJECT_PATH = "/org/pantheon/gala/daemon";
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[DBus (name = "org.pantheon.gala")]
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public interface WMDBus : GLib.Object {
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public abstract void perform_action (Gala.ActionType type) throws DBusError, IOError;
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}
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[DBus (name = "org.pantheon.gala.daemon")]
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public class MenuDaemon : Object {
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// Window Menu
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private Granite.AccelLabel always_on_top_accellabel;
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private Granite.AccelLabel close_accellabel;
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private Granite.AccelLabel minimize_accellabel;
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private Granite.AccelLabel move_accellabel;
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private Granite.AccelLabel move_left_accellabel;
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private Granite.AccelLabel move_right_accellabel;
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private Granite.AccelLabel on_visible_workspace_accellabel;
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private Granite.AccelLabel resize_accellabel;
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Gtk.Menu? window_menu = null;
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Gtk.MenuItem minimize;
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Gtk.MenuItem maximize;
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Gtk.MenuItem move;
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Gtk.MenuItem resize;
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Gtk.CheckMenuItem always_on_top;
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Gtk.CheckMenuItem on_visible_workspace;
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Gtk.MenuItem move_left;
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Gtk.MenuItem move_right;
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Gtk.MenuItem close;
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// Desktop Menu
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Gtk.Menu? desktop_menu = null;
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WMDBus? wm_proxy = null;
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ulong always_on_top_sid = 0U;
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ulong on_visible_workspace_sid = 0U;
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private static GLib.Settings keybind_settings;
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static construct {
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keybind_settings = new GLib.Settings ("org.gnome.desktop.wm.keybindings");
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}
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[DBus (visible = false)]
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public void setup_dbus () {
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var flags = BusNameOwnerFlags.ALLOW_REPLACEMENT | BusNameOwnerFlags.REPLACE;
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Bus.own_name (BusType.SESSION, DAEMON_DBUS_NAME, flags, on_bus_acquired, () => {}, null);
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Bus.watch_name (BusType.SESSION, DBUS_NAME, BusNameWatcherFlags.NONE, gala_appeared, lost_gala);
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}
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void on_gala_get (GLib.Object? o, GLib.AsyncResult? res) {
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try {
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wm_proxy = Bus.get_proxy.end (res);
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} catch (Error e) {
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warning ("Failed to get Gala proxy: %s", e.message);
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}
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}
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void lost_gala () {
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wm_proxy = null;
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}
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void gala_appeared () {
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if (wm_proxy == null) {
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Bus.get_proxy.begin<WMDBus> (BusType.SESSION, DBUS_NAME, DBUS_OBJECT_PATH, 0, null, on_gala_get);
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}
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}
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void on_bus_acquired (DBusConnection conn) {
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try {
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conn.register_object (DAEMON_DBUS_OBJECT_PATH, this);
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} catch (Error e) {
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stderr.printf ("Error registering MenuDaemon: %s\n", e.message);
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}
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}
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void perform_action (Gala.ActionType type) {
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if (wm_proxy != null) {
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try {
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wm_proxy.perform_action (type);
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} catch (Error e) {
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warning ("Failed to perform Gala action over DBus: %s", e.message);
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}
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}
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}
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private void init_window_menu () {
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minimize_accellabel = new Granite.AccelLabel (_("Minimize"));
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minimize = new Gtk.MenuItem ();
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minimize.add (minimize_accellabel);
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minimize.activate.connect (() => {
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perform_action (Gala.ActionType.MINIMIZE_CURRENT);
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});
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maximize = new Gtk.MenuItem ();
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maximize.activate.connect (() => {
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perform_action (Gala.ActionType.MAXIMIZE_CURRENT);
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});
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move_accellabel = new Granite.AccelLabel (_("Move"));
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move = new Gtk.MenuItem ();
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move.add (move_accellabel);
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move.activate.connect (() => {
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perform_action (Gala.ActionType.START_MOVE_CURRENT);
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});
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resize_accellabel = new Granite.AccelLabel (_("Resize"));
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resize = new Gtk.MenuItem ();
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resize.add (resize_accellabel);
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resize.activate.connect (() => {
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perform_action (Gala.ActionType.START_RESIZE_CURRENT);
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});
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always_on_top_accellabel = new Granite.AccelLabel (_("Always on Top"));
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always_on_top = new Gtk.CheckMenuItem ();
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always_on_top.add (always_on_top_accellabel);
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always_on_top_sid = always_on_top.activate.connect (() => {
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perform_action (Gala.ActionType.TOGGLE_ALWAYS_ON_TOP_CURRENT);
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});
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on_visible_workspace_accellabel = new Granite.AccelLabel (_("Always on Visible Workspace"));
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on_visible_workspace = new Gtk.CheckMenuItem ();
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on_visible_workspace.add (on_visible_workspace_accellabel);
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on_visible_workspace_sid = on_visible_workspace.activate.connect (() => {
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perform_action (Gala.ActionType.TOGGLE_ALWAYS_ON_VISIBLE_WORKSPACE_CURRENT);
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});
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move_left_accellabel = new Granite.AccelLabel (_("Move to Workspace Left"));
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move_left = new Gtk.MenuItem ();
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move_left.add (move_left_accellabel);
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move_left.activate.connect (() => {
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perform_action (Gala.ActionType.MOVE_CURRENT_WORKSPACE_LEFT);
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});
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move_right_accellabel = new Granite.AccelLabel (_("Move to Workspace Right"));
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move_right = new Gtk.MenuItem ();
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move_right.add (move_right_accellabel);
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move_right.activate.connect (() => {
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perform_action (Gala.ActionType.MOVE_CURRENT_WORKSPACE_RIGHT);
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});
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close_accellabel = new Granite.AccelLabel (_("Close"));
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close = new Gtk.MenuItem ();
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close.add (close_accellabel);
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close.activate.connect (() => {
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perform_action (Gala.ActionType.CLOSE_CURRENT);
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});
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window_menu = new Gtk.Menu ();
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window_menu.append (minimize);
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window_menu.append (maximize);
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window_menu.append (move);
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window_menu.append (resize);
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window_menu.append (always_on_top);
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window_menu.append (on_visible_workspace);
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window_menu.append (move_left);
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window_menu.append (move_right);
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window_menu.append (close);
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window_menu.show_all ();
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}
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public void show_window_menu (Gala.WindowFlags flags, int x, int y) throws DBusError, IOError {
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if (window_menu == null) {
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init_window_menu ();
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}
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minimize.visible = Gala.WindowFlags.CAN_MINIMIZE in flags;
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if (minimize.visible) {
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minimize_accellabel.accel_string = keybind_settings.get_strv ("minimize")[0];
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}
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maximize.visible = Gala.WindowFlags.CAN_MAXIMIZE in flags;
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if (maximize.visible) {
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var maximize_label = Gala.WindowFlags.IS_MAXIMIZED in flags ? _("Unmaximize") : _("Maximize");
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maximize.get_child ().destroy ();
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maximize.add (
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new Granite.AccelLabel (
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maximize_label,
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keybind_settings.get_strv ("toggle-maximized")[0]
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)
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);
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}
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move.visible = Gala.WindowFlags.ALLOWS_MOVE in flags;
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if (move.visible) {
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move_accellabel.accel_string = keybind_settings.get_strv ("begin-move")[0];
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}
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resize.visible = Gala.WindowFlags.ALLOWS_RESIZE in flags;
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if (resize.visible) {
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resize_accellabel.accel_string = keybind_settings.get_strv ("begin-resize")[0];
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}
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// Setting active causes signal fires on activate so
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// we temporarily block those signals from emissions
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SignalHandler.block (always_on_top, always_on_top_sid);
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SignalHandler.block (on_visible_workspace, on_visible_workspace_sid);
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always_on_top.active = Gala.WindowFlags.ALWAYS_ON_TOP in flags;
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always_on_top_accellabel.accel_string = keybind_settings.get_strv ("always-on-top")[0];
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on_visible_workspace.active = Gala.WindowFlags.ON_ALL_WORKSPACES in flags;
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on_visible_workspace_accellabel.accel_string = keybind_settings.get_strv ("toggle-on-all-workspaces")[0];
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SignalHandler.unblock (always_on_top, always_on_top_sid);
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SignalHandler.unblock (on_visible_workspace, on_visible_workspace_sid);
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move_right.visible = !on_visible_workspace.active;
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if (move_right.visible) {
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move_right_accellabel.accel_string = keybind_settings.get_strv ("move-to-workspace-right")[0];
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}
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move_left.visible = !on_visible_workspace.active;
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if (move_left.visible) {
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move_left_accellabel.accel_string = keybind_settings.get_strv ("move-to-workspace-left")[0];
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}
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close.visible = Gala.WindowFlags.CAN_CLOSE in flags;
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if (close.visible) {
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close_accellabel.accel_string = keybind_settings.get_strv ("close")[0];
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}
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window_menu.popup (null, null, (m, ref px, ref py, out push_in) => {
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var scale = m.scale_factor;
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px = x / scale;
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// Move the menu 1 pixel outside of the pointer or else it closes instantly
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// on the mouse up event
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py = (y / scale) + 1;
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push_in = true;
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}, 3, Gdk.CURRENT_TIME);
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}
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public void show_desktop_menu (int x, int y) throws DBusError, IOError {
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if (desktop_menu == null) {
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var change_wallpaper = new Gtk.MenuItem.with_label (_("Change Wallpaper…"));
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change_wallpaper.activate.connect (() => {
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try {
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AppInfo.launch_default_for_uri ("settings://desktop/appearance/wallpaper", null);
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} catch (Error e) {
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var message_dialog = new Granite.MessageDialog.with_image_from_icon_name (
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"Failed to Open Wallpaper Settings",
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"Unable to open System Settings. A handler for the `settings://` URI scheme must be installed.",
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"dialog-error",
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Gtk.ButtonsType.CLOSE
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);
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message_dialog.show_error_details (e.message);
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message_dialog.run ();
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message_dialog.destroy ();
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}
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});
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var display_settings = new Gtk.MenuItem.with_label (_("Display Settings…"));
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display_settings.activate.connect (() => {
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try {
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AppInfo.launch_default_for_uri ("settings://display", null);
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} catch (Error e) {
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var message_dialog = new Granite.MessageDialog.with_image_from_icon_name (
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"Failed to Open Display Settings",
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"Unable to open System Settings. A handler for the `settings://` URI scheme must be installed.",
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"dialog-warning",
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Gtk.ButtonsType.CLOSE
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);
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message_dialog.show_error_details (e.message);
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message_dialog.run ();
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message_dialog.destroy ();
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}
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});
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var system_settings = new Gtk.MenuItem.with_label (_("System Settings…"));
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system_settings.activate.connect (() => {
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try {
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AppInfo.launch_default_for_uri ("settings://", null);
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} catch (Error e) {
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var message_dialog = new Granite.MessageDialog.with_image_from_icon_name (
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"Failed to Open System Settings",
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"Unable to open System Settings. A handler for the `settings://` URI scheme must be installed.",
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"dialog-warning",
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Gtk.ButtonsType.CLOSE
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);
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message_dialog.show_error_details (e.message);
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message_dialog.run ();
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message_dialog.destroy ();
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}
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});
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var separator = new Gtk.SeparatorMenuItem ();
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desktop_menu = new Gtk.Menu ();
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desktop_menu.append (change_wallpaper);
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desktop_menu.append (display_settings);
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desktop_menu.append (separator);
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desktop_menu.append (system_settings);
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desktop_menu.show_all ();
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}
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desktop_menu.popup (null, null, (m, ref px, ref py, out push_in) => {
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var scale = m.scale_factor;
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px = x / scale;
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// Move the menu 1 pixel outside of the pointer or else it closes instantly
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// on the mouse up event
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py = (y / scale) + 1;
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push_in = true;
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}, 3, Gdk.CURRENT_TIME);
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}
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}
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}
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