132 lines
4.4 KiB
JavaScript
132 lines
4.4 KiB
JavaScript
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const St = imports.gi.St;
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const Lang = imports.lang;
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const Dialog = new Lang.Class({
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Name: 'Dialog',
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Extends: St.Widget,
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_init: function (parentActor, styleClass) {
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this.parent({ layout_manager: new Clutter.BinLayout() });
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this.connect('destroy', Lang.bind(this, this._onDestroy));
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this._pressedKey = null;
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this._buttonKeys = {};
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this._createDialog();
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this.add_child(this._dialog);
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if (styleClass != null)
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this._dialog.add_style_class_name(styleClass);
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this._parentActor = parentActor;
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this._eventId = this._parentActor.connect('event', Lang.bind(this, this._modalEventHandler));
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this._parentActor.add_child(this);
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},
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_createDialog: function () {
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this._dialog = new St.BoxLayout({ style_class: 'modal-dialog',
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x_align: Clutter.ActorAlign.CENTER,
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y_align: Clutter.ActorAlign.CENTER,
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vertical: true });
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// modal dialogs are fixed width and grow vertically; set the request
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// mode accordingly so wrapped labels are handled correctly during
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// size requests.
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this._dialog.request_mode = Clutter.RequestMode.HEIGHT_FOR_WIDTH;
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this.contentLayout = new St.BoxLayout({ vertical: true,
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style_class: "modal-dialog-content-box" });
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this._dialog.add(this.contentLayout,
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{ expand: true,
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x_fill: true,
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y_fill: true,
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x_align: St.Align.MIDDLE,
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y_align: St.Align.START });
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this.buttonLayout = new St.Widget ({ layout_manager: new Clutter.BoxLayout({ homogeneous:true }) });
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this._dialog.add(this.buttonLayout,
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{ x_align: St.Align.MIDDLE,
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y_align: St.Align.START });
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},
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_onDestroy: function () {
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if (this._eventId != 0)
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this._parentActor.disconnect(this._eventId);
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this._eventId = 0;
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},
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_modalEventHandler: function (actor, event) {
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if (event.type() == Clutter.EventType.KEY_PRESS) {
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this._pressedKey = event.get_key_symbol();
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} else if (event.type() == Clutter.EventType.KEY_RELEASE) {
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let pressedKey = this._pressedKey;
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this._pressedKey = null;
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let symbol = event.get_key_symbol();
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if (symbol != pressedKey)
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return Clutter.EVENT_PROPAGATE;
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let buttonInfo = this._buttonKeys[symbol];
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if (!buttonInfo)
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return Clutter.EVENT_PROPAGATE;
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let { button, action } = buttonInfo;
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if (action && button.reactive) {
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action();
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return Clutter.EVENT_STOP;
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}
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}
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return Clutter.EVENT_PROPAGATE;
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},
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addContent: function (actor) {
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this.contentLayout.add (actor, { expand: true });
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},
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addButton: function (buttonInfo) {
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let { label, action, key } = buttonInfo;
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let isDefault = buttonInfo['default'];
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let keys;
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if (key)
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keys = [key];
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else if (isDefault)
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keys = [Clutter.KEY_Return, Clutter.KEY_KP_Enter, Clutter.KEY_ISO_Enter];
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else
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keys = [];
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let button = new St.Button({ style_class: 'modal-dialog-linked-button',
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button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
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reactive: true,
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can_focus: true,
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x_expand: true,
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y_expand: true,
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label: label });
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button.connect('clicked', action);
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buttonInfo['button'] = button;
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if (isDefault)
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button.add_style_pseudo_class('default');
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if (!this._initialKeyFocusDestroyId)
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this._initialKeyFocus = button;
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for (let i in keys)
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this._buttonKeys[keys[i]] = buttonInfo;
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this.buttonLayout.add_actor(button);
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return button;
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},
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clearButtons: function () {
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this.buttonLayout.destroy_all_children();
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this._buttonKeys = {};
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},
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});
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