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, double margin_bottom = 0) {
28 this.margin_bottom = margin_bottom;
29 font_size = 17 * MainWindow.units;
30 this.label = new Text (label, font_size);
31 padding = 15 * MainWindow.units;
32 }
33
34 public override void draw (Context cr) {
35 cr.save ();
36 Theme.color (cr, "Button Background 3");
37 draw_rounded_rectangle (cr, widget_x, widget_y, get_width (), padding, padding);
38 cr.fill ();
39 cr.restore ();
40
41 cr.save ();
42 Theme.color (cr, "Button Border 3");
43 cr.set_line_width (1);
44 draw_rounded_rectangle (cr, widget_x, widget_y, get_width (), padding, padding);
45 cr.stroke ();
46 cr.restore ();
47
48 cr.save ();
49 Theme.text_color (label, "Button Foreground");
50 label.draw_at_top (cr, widget_x + padding, widget_y + (2 * padding - font_size - 3 * MainWindow.units) / 2.0);
51 cr.restore ();
52 }
53
54 public override double get_height () {
55 return 2 * padding;
56 }
57
58 public override double get_width () {
59 return label.get_width () + 2 * padding;
60 }
61
62 public override void button_press (uint button, double x, double y) {
63 if (is_over (x, y)) {
64 action ();
65 }
66 }
67 }
68
69 }
70