re.input.virtual.button source code

1 /** virtual button input */
2 
3 module re.input.virtual.button;
4 
5 import re.input;
6 import std.algorithm;
7 
8 /// a virtual button
9 class VirtualButton : VirtualInput {
10     /// monitors a single button
11     static abstract class Node : VirtualInput.Node {
12         @property public bool is_down();
13         @property public bool is_up();
14         @property public bool is_pressed();
15         @property public bool is_released();
16     }
17 
18     /// logic-controllable button
19     static class LogicButton : Node {
20         public bool logic_pressed = false;
21         
22         @property public override bool is_down() { return logic_pressed; }
23         @property public override bool is_up() { return !logic_pressed; }
24         @property public override bool is_pressed() { return logic_pressed; }
25         @property public override bool is_released() { return !logic_pressed; }
26     }
27 
28     /// monitors a keyboard key
29     static class KeyboardKey : Node {
30         /// the key being monitored
31         public Keys key;
32 
33         /// creates a keyboard key node
34         this(Keys key) {
35             this.key = key;
36         }
37 
38         @property public override bool is_down() {
39             return Input.is_key_down(key);
40         }
41 
42         @property public override bool is_up() {
43             return Input.is_key_up(key);
44         }
45 
46         @property public override bool is_pressed() {
47             return Input.is_key_pressed(key);
48         }
49 
50         @property public override bool is_released() {
51             return Input.is_key_released(key);
52         }
53     }
54 
55     @property public bool is_down() {
56         return nodes.any!(x => (cast(Node) x).is_down);
57     }
58 
59     @property public bool is_up() {
60         return nodes.any!(x => (cast(Node) x).is_up);
61     }
62 
63     @property public bool is_pressed() {
64         return nodes.any!(x => (cast(Node) x).is_pressed);
65     }
66 
67     @property public bool is_released() {
68         return nodes.any!(x => (cast(Node) x).is_released);
69     }
70 }
71 
72 @("input-button")
73 unittest {
74     auto the_button = new VirtualButton();
75     the_button.nodes ~= new VirtualButton.KeyboardKey(Keys.KEY_E);
76 
77     assert(the_button.nodes.length > 0);
78 }