1 /*
2 Copyright (C) 2014 Johan Mattsson
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13 */
14
15 using Cairo;
16
17 namespace BirdFont {
18
19 public class Button : Widget {
20
21 Text label;
22 double padding;
23 double font_size;
24
25 public signal void action ();
26
27 public Button (string label) {
28 font_size = 17 * MainWindow.units;
29 this.label = new Text (label, font_size);
30 padding = 15 * MainWindow.units;
31 }
32
33 public override void draw (Context cr) {
34 cr.save ();
35 Theme.color (cr, "Button Background 3");
36 draw_rounded_rectangle (cr, widget_x, widget_y, get_width (), padding, padding);
37 cr.fill ();
38 cr.restore ();
39
40 cr.save ();
41 Theme.color (cr, "Button Border 3");
42 cr.set_line_width (1);
43 draw_rounded_rectangle (cr, widget_x, widget_y, get_width (), padding, padding);
44 cr.stroke ();
45 cr.restore ();
46
47 cr.save ();
48 Theme.text_color (label, "Button Foreground");
49 label.draw_at_top (cr, widget_x + padding, widget_y + (2 * padding - font_size - 3 * MainWindow.units) / 2.0);
50 cr.restore ();
51 }
52
53 public override double get_height () {
54 return 2 * padding;
55 }
56
57 public override double get_width () {
58 return label.get_width () + 2 * padding;
59 }
60
61 public override void button_press (uint button, double x, double y) {
62 if (is_over (x, y)) {
63 action ();
64 }
65 }
66 }
67
68 }
69