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104 lines
2.4 KiB
Vala
104 lines
2.4 KiB
Vala
/* -*- Mode: vala; indent-tabs-mode: t; c-basic-offset: 2; tab-width: 8 -*- */
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/*
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* Copyright (C) 2011 Alexander Larsson <alexl@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using Gtk;
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using Egg;
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class Row : Grid {
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public int32 value;
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public Row () {
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value = Random.int_range (0, 10000);
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var l = new Label ("Value %u".printf (value));
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this.add (l);
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l.show ();
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}
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}
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public static int
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compare (Widget a, Widget b) {
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return (int32)(b as Row).value - (int32)(a as Row).value;
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}
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public static bool
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filter (Widget widget) {
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return (widget as Row).value % 2 == 0;
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}
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public static int
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main (string[] args) {
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int num_rows = 0;
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Gtk.init (ref args);
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if (args.length > 1)
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num_rows = int.parse (args[1]);
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if (num_rows == 0)
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num_rows = 1000;
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var w = new Window ();
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var hbox = new Box(Orientation.HORIZONTAL, 0);
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w.add (hbox);
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var scrolled = new ScrolledWindow (null, null);
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scrolled.set_policy (PolicyType.NEVER, PolicyType.AUTOMATIC);
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hbox.add (scrolled);
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var scrolled_box = new Box(Orientation.VERTICAL, 0);
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scrolled.add_with_viewport (scrolled_box);
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var label = new Label ("This is \na LABEL\nwith rows");
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scrolled_box.add (label);
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var list = new ListBox();
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scrolled_box.add (list);
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list.set_adjustment (scrolled.get_vadjustment ());
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for (int i = 0; i < num_rows; i++) {
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var row = new Row ();
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list.add (row);
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}
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var vbox = new Box(Orientation.VERTICAL, 0);
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hbox.add (vbox);
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var b = new Button.with_label ("sort");
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vbox.add (b);
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b.clicked.connect ( () => {
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list.set_sort_func (compare);
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});
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b = new Button.with_label ("filter");
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vbox.add (b);
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b.clicked.connect ( () => {
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list.set_filter_func (filter);
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});
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b = new Button.with_label ("unfilter");
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vbox.add (b);
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b.clicked.connect ( () => {
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list.set_filter_func (null);
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});
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w.show_all ();
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Gtk.main ();
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return 0;
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}
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