atelier.ui.button source code

1 /**
2     Button
3 
4     Copyright: (c) Enalye 2017
5     License: Zlib
6     Authors: Enalye
7 */
8 
9 module atelier.ui.button;
10 
11 import std.conv : to;
12 import atelier.core, atelier.render, atelier.common;
13 import atelier.ui.gui_element, atelier.ui.label;
14 
15 /// Simple gui that trigger its callback when onSubmit() is fired (like when you click on it).
16 class Button : GuiElement {
17     /// Function callback triggered when *onSubmit* is called.
18     void function() onClick;
19 
20     override void onSubmit() {
21         if (isLocked)
22             return;
23         if (onClick !is null)
24             onClick();
25         triggerCallback();
26     }
27 }
28 
29 /// Button with a label.
30 class TextButton : Button {
31     /// The text of the button.
32     Label label;
33 
34     @property {
35         alias color = label.color;
36         alias text = label.text;
37     }
38 
39     /// Ctor
40     this(string text, Font font = getDefaultFont()) {
41         label = new Label(text, font);
42         label.setAlign(GuiAlignX.center, GuiAlignY.center);
43         size = label.size;
44         appendChild(label);
45     }
46 
47     override void draw() {
48         if (isLocked)
49             drawFilledRect(origin, size, Color.white * 0.055f);
50         else if (isSelected)
51             drawFilledRect(origin, size, Color.white * 0.4f);
52         else if (isHovered)
53             drawFilledRect(origin, size, Color.white * 0.25f);
54         else
55             drawFilledRect(origin, size, Color.white * 0.15f);
56     }
57 }