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/* -*- Mode: JS2; indent-tabs-mode: nil; js2-basic-offset: 4 -*- */
/* vim: set et ts=4 sw=4: */
/*
* Copyright (c) 2016 Marcus Lundblad.
*
* GNOME Maps is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* GNOME Maps is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with GNOME Maps; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Marcus Lundblad <ml@update.uu.se>
* Jonas Danielsson <jonas@threetimestwo.org>
*/
const Gdk = imports.gi.Gdk;
const GObject = imports.gi.GObject;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
/* Abstract search result popover that progagates keypress events from a
focus-taking internal widget to the spawning search entry widget */
const SearchPopover = new Lang.Class({
Name: 'SearchPopover',
Extends: Gtk.Popover,
Abstract: true,
_init: function(props) {
this.parent(props);
this._entry = this.relative_to;
// We need to propagate events to the listbox so that we can
// keep typing while selecting a place. But we do not want to
// propagate the 'enter' key press if there is a selection.
this._entry.connect('key-press-event',
this._propagateKeys.bind(this));
this._entry.connect('button-press-event',
this._list.unselect_all.bind(this._list));
},
_propagateKeys: function(entry, event) {
let row;
if (this.visible) {
row = this._list.get_selected_row();
if (!row)
row = this._list.get_row_at_index(0);
} else
row = this._list.get_row_at_index(0);
if (!row)
return false;
let length = this._list.get_children().length;
let keyval = event.get_keyval()[1];
if (keyval === Gdk.KEY_Escape) {
this._list.unselect_all();
this.hide();
return false;
}
// If we get an 'enter' keypress and we have a selected
// row, we do not want to propagate the event.
if ((this.visible && row.is_selected()) &&
keyval === Gdk.KEY_Return ||
keyval === Gdk.KEY_KP_ENTER ||
keyval === Gdk.KEY_ISO_Enter) {
row.activate();
return true;
} else if (keyval === Gdk.KEY_KP_Up || keyval === Gdk.KEY_Up) {
this.show();
if (!row.is_selected()) {
let pRow = this._list.get_row_at_index(length - 1);
this._list.select_row(pRow);
return false;
}
if (row.get_index() > 0) {
let pRow = this._list.get_row_at_index(row.get_index() - 1);
this._list.select_row(pRow);
} else
this._list.unselect_all();
} else if (keyval === Gdk.KEY_KP_Down || keyval === Gdk.KEY_Down) {
this.show();
if (!row.is_selected()) {
this._list.select_row(row);
return true;
}
if (row.get_index() !== (length - 1)) {
let nRow = this._list.get_row_at_index(row.get_index() + 1);
this._list.select_row(nRow);
} else
this._list.unselect_all();
return true;
}
return false;
}
});
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