298 lines
11 KiB
JavaScript
298 lines
11 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Meta = imports.gi.Meta;
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const St = imports.gi.St;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const FileUtils = imports.misc.fileUtils;
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const Main = imports.ui.main;
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const ModalDialog = imports.ui.modalDialog;
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const ShellEntry = imports.ui.shellEntry;
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const Tweener = imports.ui.tweener;
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const Util = imports.misc.util;
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const History = imports.misc.history;
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const MAX_FILE_DELETED_BEFORE_INVALID = 10;
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const HISTORY_KEY = 'command-history';
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const LOCKDOWN_SCHEMA = 'org.gnome.desktop.lockdown';
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const DISABLE_COMMAND_LINE_KEY = 'disable-command-line';
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const TERMINAL_SCHEMA = 'org.gnome.desktop.default-applications.terminal';
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const EXEC_KEY = 'exec';
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const EXEC_ARG_KEY = 'exec-arg';
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const DIALOG_GROW_TIME = 0.1;
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const RunDialog = new Lang.Class({
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Name: 'RunDialog',
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Extends: ModalDialog.ModalDialog,
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_init : function() {
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this.parent({ styleClass: 'run-dialog',
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destroyOnClose: false });
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this._lockdownSettings = new Gio.Settings({ schema_id: LOCKDOWN_SCHEMA });
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this._terminalSettings = new Gio.Settings({ schema_id: TERMINAL_SCHEMA });
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global.settings.connect('changed::development-tools', Lang.bind(this, function () {
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this._enableInternalCommands = global.settings.get_boolean('development-tools');
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}));
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this._enableInternalCommands = global.settings.get_boolean('development-tools');
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this._internalCommands = { 'lg':
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Lang.bind(this, function() {
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Main.createLookingGlass().open();
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}),
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'r': Lang.bind(this, this._restart),
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// Developer brain backwards compatibility
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'restart': Lang.bind(this, this._restart),
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'debugexit': Lang.bind(this, function() {
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Meta.quit(Meta.ExitCode.ERROR);
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}),
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// rt is short for "reload theme"
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'rt': Lang.bind(this, function() {
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Main.reloadThemeResource();
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Main.loadTheme();
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})
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};
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let label = new St.Label({ style_class: 'run-dialog-label',
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text: _("Enter a Command") });
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this.contentLayout.add(label, { x_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.START });
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let entry = new St.Entry({ style_class: 'run-dialog-entry',
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can_focus: true });
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ShellEntry.addContextMenu(entry);
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entry.label_actor = label;
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this._entryText = entry.clutter_text;
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this.contentLayout.add(entry, { y_align: St.Align.START });
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this.setInitialKeyFocus(this._entryText);
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this._errorBox = new St.BoxLayout({ style_class: 'run-dialog-error-box' });
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this.contentLayout.add(this._errorBox, { expand: true });
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let errorIcon = new St.Icon({ icon_name: 'dialog-error-symbolic',
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icon_size: 24,
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style_class: 'run-dialog-error-icon' });
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this._errorBox.add(errorIcon, { y_align: St.Align.MIDDLE });
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this._commandError = false;
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this._errorMessage = new St.Label({ style_class: 'run-dialog-error-label' });
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this._errorMessage.clutter_text.line_wrap = true;
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this._errorBox.add(this._errorMessage, { expand: true,
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x_align: St.Align.START,
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x_fill: false,
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y_align: St.Align.MIDDLE,
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y_fill: false });
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this._errorBox.hide();
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this.setButtons([{ action: Lang.bind(this, this.close),
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label: _("Close"),
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key: Clutter.Escape }]);
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this._pathCompleter = new Gio.FilenameCompleter();
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this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY,
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entry: this._entryText });
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this._entryText.connect('key-press-event', Lang.bind(this, function(o, e) {
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let symbol = e.get_key_symbol();
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if (symbol == Clutter.Return || symbol == Clutter.KP_Enter) {
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this.popModal();
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this._run(o.get_text(),
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e.get_state() & Clutter.ModifierType.CONTROL_MASK);
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if (!this._commandError ||
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!this.pushModal())
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this.close();
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return Clutter.EVENT_STOP;
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}
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if (symbol == Clutter.Tab) {
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let text = o.get_text();
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let prefix;
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if (text.lastIndexOf(' ') == -1)
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prefix = text;
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else
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prefix = text.substr(text.lastIndexOf(' ') + 1);
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let postfix = this._getCompletion(prefix);
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if (postfix != null && postfix.length > 0) {
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o.insert_text(postfix, -1);
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o.set_cursor_position(text.length + postfix.length);
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}
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return Clutter.EVENT_STOP;
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}
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return Clutter.EVENT_PROPAGATE;
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}));
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},
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_getCommandCompletion: function(text) {
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function _getCommon(s1, s2) {
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if (s1 == null)
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return s2;
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let k = 0;
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for (; k < s1.length && k < s2.length; k++) {
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if (s1[k] != s2[k])
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break;
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}
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if (k == 0)
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return '';
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return s1.substr(0, k);
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}
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let paths = GLib.getenv('PATH').split(':');
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paths.push(GLib.get_home_dir());
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let someResults = paths.map(function(path) {
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let results = [];
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try {
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let file = Gio.File.new_for_path(path);
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let fileEnum = file.enumerate_children('standard::name', Gio.FileQueryInfoFlags.NONE, null);
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let info;
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while ((info = fileEnum.next_file(null))) {
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let name = info.get_name();
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if (name.slice(0, text.length) == text)
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results.push(name);
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}
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} catch (e if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND) &&
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!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_DIRECTORY))) {
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log(e);
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} finally {
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return results;
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}
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});
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let results = someResults.reduce(function(a, b) {
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return a.concat(b);
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}, []);
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if (!results.length)
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return null;
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let common = results.reduce(_getCommon, null);
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return common.substr(text.length);
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},
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_getCompletion : function(text) {
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if (text.indexOf('/') != -1) {
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return this._pathCompleter.get_completion_suffix(text);
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} else {
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return this._getCommandCompletion(text);
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}
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},
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_run : function(input, inTerminal) {
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let command = input;
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this._history.addItem(input);
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this._commandError = false;
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let f;
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if (this._enableInternalCommands)
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f = this._internalCommands[input];
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else
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f = null;
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if (f) {
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f();
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} else if (input) {
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try {
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if (inTerminal) {
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let exec = this._terminalSettings.get_string(EXEC_KEY);
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let exec_arg = this._terminalSettings.get_string(EXEC_ARG_KEY);
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command = exec + ' ' + exec_arg + ' ' + input;
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}
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Util.trySpawnCommandLine(command);
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} catch (e) {
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// Mmmh, that failed - see if @input matches an existing file
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let path = null;
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if (input.charAt(0) == '/') {
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path = input;
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} else {
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if (input.charAt(0) == '~')
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input = input.slice(1);
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path = GLib.get_home_dir() + '/' + input;
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}
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if (GLib.file_test(path, GLib.FileTest.EXISTS)) {
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let file = Gio.file_new_for_path(path);
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try {
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Gio.app_info_launch_default_for_uri(file.get_uri(),
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global.create_app_launch_context(0, -1));
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} catch (e) {
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// The exception from gjs contains an error string like:
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// Error invoking Gio.app_info_launch_default_for_uri: No application
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// is registered as handling this file
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// We are only interested in the part after the first colon.
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let message = e.message.replace(/[^:]*: *(.+)/, '$1');
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this._showError(message);
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}
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} else {
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this._showError(e.message);
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}
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}
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}
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},
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_showError : function(message) {
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this._commandError = true;
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this._errorMessage.set_text(message);
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if (!this._errorBox.visible) {
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let [errorBoxMinHeight, errorBoxNaturalHeight] = this._errorBox.get_preferred_height(-1);
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let parentActor = this._errorBox.get_parent();
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Tweener.addTween(parentActor,
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{ height: parentActor.height + errorBoxNaturalHeight,
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time: DIALOG_GROW_TIME,
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transition: 'easeOutQuad',
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onComplete: Lang.bind(this,
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function() {
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parentActor.set_height(-1);
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this._errorBox.show();
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})
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});
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}
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},
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_restart: function() {
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if (Meta.is_wayland_compositor()) {
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this._showError(_("Restart is not available on Wayland"));
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return;
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}
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this._shouldFadeOut = false;
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this.close();
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Meta.restart(_("Restarting…"));
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},
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open: function() {
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this._history.lastItem();
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this._errorBox.hide();
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this._entryText.set_text('');
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this._commandError = false;
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if (this._lockdownSettings.get_boolean(DISABLE_COMMAND_LINE_KEY))
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return;
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this.parent();
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},
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});
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Signals.addSignalMethods(RunDialog.prototype);
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