gnome-shell/js/ui/main.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const Gdk = imports.gi.Gdk;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Chrome = imports.ui.chrome;
const Overlay = imports.ui.overlay;
const Panel = imports.ui.panel;
const RunDialog = imports.ui.runDialog;
const LookingGlass = imports.ui.lookingGlass;
const Sidebar = imports.ui.sidebar;
const Tweener = imports.ui.tweener;
const WindowManager = imports.ui.windowManager;
const DEFAULT_BACKGROUND_COLOR = new Clutter.Color();
DEFAULT_BACKGROUND_COLOR.from_pixel(0x2266bbff);
let chrome = null;
let panel = null;
let sidebar = null;
let overlay = null;
let runDialog = null;
let lookingGlass = null;
let wm = null;
let recorder = null;
let inModal = false;
function start() {
let global = Shell.Global.get();
Gio.DesktopAppInfo.set_desktop_env("GNOME");
global.grab_dbus_service();
Tweener.init();
// The background color really only matters if there is no desktop
// window (say, nautilus) running. We set it mostly so things look good
// when we are running inside Xephyr.
global.stage.color = DEFAULT_BACKGROUND_COLOR;
// Mutter currently hardcodes putting "Yessir. The compositor is running""
// in the overlay. Clear that out.
let children = global.overlay_group.get_children();
for (let i = 0; i < children.length; i++)
children[i].destroy();
global.connect('panel-run-dialog', function(panel) {
// Make sure not more than one run dialog is shown.
if (runDialog == null) {
runDialog = new RunDialog.RunDialog();
}
runDialog.open();
});
overlay = new Overlay.Overlay();
chrome = new Chrome.Chrome();
panel = new Panel.Panel();
sidebar = new Sidebar.Sidebar();
wm = new WindowManager.WindowManager();
global.screen.connect('toggle-recording', function() {
if (recorder == null) {
recorder = new Shell.Recorder({ stage: global.stage });
}
if (recorder.is_recording()) {
recorder.pause();
} else {
recorder.record();
}
});
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panel.startupAnimation();
let display = global.screen.get_display();
display.connect('overlay-key', Lang.bind(overlay, overlay.toggle));
global.connect('panel-main-menu', Lang.bind(overlay, overlay.toggle));
Mainloop.idle_add(_removeUnusedWorkspaces);
}
// metacity-clutter currently uses the same prefs as plain metacity,
// which probably means we'll be starting out with multiple workspaces;
// remove any unused ones. (We do this from an idle handler, because
// global.get_windows() still returns NULL at the point when start()
// is called.)
function _removeUnusedWorkspaces() {
let global = Shell.Global.get();
let windows = global.get_windows();
let maxWorkspace = 0;
for (let i = 0; i < windows.length; i++) {
let win = windows[i];
if (!win.get_meta_window().is_on_all_workspaces() &&
win.get_workspace() > maxWorkspace) {
maxWorkspace = win.get_workspace();
}
}
let screen = global.screen;
if (screen.n_workspaces > maxWorkspace) {
for (let w = screen.n_workspaces - 1; w > maxWorkspace; w--) {
let workspace = screen.get_workspace_by_index(w);
screen.remove_workspace(workspace, 0);
}
}
return false;
}
// Used to go into a mode where all keyboard and mouse input goes to
// the stage. Returns true if we successfully grabbed the keyboard and
// went modal, false otherwise
function startModal() {
let global = Shell.Global.get();
if (!global.grab_keyboard())
return false;
global.set_stage_input_mode(Shell.StageInputMode.FULLSCREEN);
inModal = true;
return true;
}
function endModal() {
let global = Shell.Global.get();
global.ungrab_keyboard();
global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
inModal = false;
}
function createLookingGlass() {
if (lookingGlass == null) {
lookingGlass = new LookingGlass.LookingGlass();
lookingGlass.slaveTo(panel.actor);
}
return lookingGlass;
}
function createAppLaunchContext() {
let global = Shell.Global.get();
let screen = global.screen;
let display = screen.get_display();
let context = new Gdk.AppLaunchContext();
context.set_timestamp(display.get_current_time());
// Make sure that the app is opened on the current workspace even if
// the user switches before it starts
context.set_desktop(screen.get_active_workspace_index());
return context;
}