gnome-shell/js/ui/runDialog.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const Lightbox = imports.ui.lightbox;
const Main = imports.ui.main;
const BOX_BACKGROUND_COLOR = new Clutter.Color();
BOX_BACKGROUND_COLOR.from_pixel(0x000000cc);
const BOX_TEXT_COLOR = new Clutter.Color();
BOX_TEXT_COLOR.from_pixel(0xffffffff);
const DIALOG_WIDTH = 320;
const DIALOG_PADDING = 6;
const ICON_SIZE = 24;
const ICON_BOX_SIZE = 36;
function RunDialog() {
this._init();
};
RunDialog.prototype = {
_init : function() {
this._isOpen = false;
let gconf = Shell.GConf.get_default();
gconf.connect('changed::development_tools', Lang.bind(this, function () {
this._enableInternalCommands = gconf.get_boolean('development_tools');
}));
this._enableInternalCommands = gconf.get_boolean('development_tools');
this._internalCommands = { 'lg':
Lang.bind(this, function() {
Main.createLookingGlass().open();
}),
'r': Lang.bind(this, function() {
global.reexec_self();
}),
// Developer brain backwards compatibility
'restart': Lang.bind(this, function() {
global.reexec_self();
}),
'debugexit': Lang.bind(this, function() {
Meta.exit(Meta.ExitCode.ERROR);
})
};
// All actors are inside _group. We create it initially
// hidden then show it in show()
this._group = new Clutter.Group({ visible: false,
x: 0,
y: 0,
width: global.screen_width,
height: global.screen_height });
global.stage.add_actor(this._group);
let lightbox = new Lightbox.Lightbox(this._group);
this._boxH = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
x_align: Big.BoxAlignment.CENTER,
y_align: Big.BoxAlignment.CENTER });
this._group.add_actor(this._boxH);
lightbox.highlight(this._boxH);
let boxV = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
y_align: Big.BoxAlignment.CENTER });
this._boxH.append(boxV, Big.BoxPackFlags.NONE);
let dialogBox = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
background_color: BOX_BACKGROUND_COLOR,
corner_radius: 4,
reactive: false,
padding: DIALOG_PADDING,
width: DIALOG_WIDTH });
this._boxH.append(dialogBox, Big.BoxPackFlags.NONE);
let label = new Clutter.Text({ color: BOX_TEXT_COLOR,
font_name: '18px Sans',
text: _("Please enter a command:") });
dialogBox.append(label, Big.BoxPackFlags.EXPAND);
this._entry = new Clutter.Text({ color: BOX_TEXT_COLOR,
font_name: '20px Sans Bold',
editable: true,
activatable: true,
singleLineMode: true });
dialogBox.append(this._entry, Big.BoxPackFlags.EXPAND);
this._errorBox = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
padding_top: DIALOG_PADDING });
dialogBox.append(this._errorBox, Big.BoxPackFlags.EXPAND);
let iconBox = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
y_align: Big.BoxAlignment.CENTER,
x_align: Big.BoxAlignment.CENTER,
width: ICON_BOX_SIZE,
height: ICON_BOX_SIZE });
this._errorBox.append(iconBox, Big.BoxPackFlags.NONE);
this._commandError = false;
let errorIcon = Shell.TextureCache.get_default().load_icon_name("gtk-dialog-error", ICON_SIZE);
iconBox.append(errorIcon, Big.BoxPackFlags.EXPAND);
this._errorMessage = new Clutter.Text({ color: BOX_TEXT_COLOR,
font_name: '18px Sans Bold',
line_wrap: true });
this._errorBox.append(this._errorMessage, Big.BoxPackFlags.EXPAND);
this._errorBox.hide();
this._entry.connect('activate', Lang.bind(this, function (o, e) {
this._run(o.get_text());
if (!this._commandError)
this.close();
}));
this._entry.connect('key-press-event', Lang.bind(this, function(o, e) {
let symbol = e.get_key_symbol();
if (symbol == Clutter.Escape) {
this.close();
return true;
}
return false;
}));
},
_run : function(command) {
this._commandError = false;
let f;
if (this._enableInternalCommands)
f = this._internalCommands[command];
else
f = null;
if (f) {
f();
} else if (command) {
try {
let [ok, len, args] = GLib.shell_parse_argv(command);
let p = new Shell.Process({'args' : args});
p.run();
} catch (e) {
this._commandError = true;
/*
* The exception contains an error string like:
* Error invoking Shell.run: Failed to execute child process "foo"
* (No such file or directory)
* We are only interested in the actual error, so parse that out.
*/
let m = /.+\((.+)\)/.exec(e);
let errorStr = _("Execution of '%s' failed:").format(command) + "\n" + m[1];
this._errorMessage.set_text(errorStr);
this._errorBox.show();
}
}
},
open : function() {
if (this._isOpen) // Already shown
return;
if (!Main.pushModal(this._group))
return;
// Position the dialog on the current monitor
let monitor = global.get_focus_monitor();
this._boxH.set_position(monitor.x, monitor.y);
this._boxH.set_size(monitor.width, monitor.height);
this._isOpen = true;
this._group.show();
global.stage.set_key_focus(this._entry);
},
close : function() {
if (!this._isOpen)
return;
this._isOpen = false;
this._errorBox.hide();
this._commandError = false;
this._group.hide();
this._entry.set_text('');
Main.popModal(this._group);
}
};
Signals.addSignalMethods(RunDialog.prototype);