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comparison ShortcutKeyFinder/Hotkey.cs @ 0:209d9210c18f default tip

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It works.
author Brad Greco <brad@bgreco.net>
date Sat, 25 Jun 2016 13:42:54 +1000
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-1:000000000000 0:209d9210c18f
1 using System.Collections.Generic;
2 using System.Windows.Forms;
3
4 namespace ShortcutKeyFinder
5 {
6 /// <summary>Provides a means to encode and decode hotkeys in the format expected by the Win32 API</summary>
7 class Hotkey
8 {
9 private List<Keys> _modifierKeys = new List<Keys>() { Keys.ShiftKey, Keys.ControlKey, Keys.Menu };
10 // Windows API values
11 public ushort HOTKEYF_SHIFT = 0x01 << 8;
12 public ushort HOTKEYF_CONTROL = 0x02 << 8;
13 public ushort HOTKEYF_ALT = 0x04 << 8;
14 public ushort HOTKEYF_EXT = 0x08 << 8;
15
16 /// <summary>Raw hotkey value to use in Win32 functions</summary>
17 public ushort RawHotkey { get; set; }
18
19 /// <summary>Shift key state</summary>
20 public bool Shift
21 {
22 get { return (RawHotkey & HOTKEYF_SHIFT) != 0; }
23 set { if (value) RawHotkey |= HOTKEYF_SHIFT; else RawHotkey &= (ushort)~HOTKEYF_SHIFT; }
24 }
25
26 /// <summary>Control key state</summary>
27 public bool Control
28 {
29 get { return (RawHotkey & HOTKEYF_CONTROL) != 0; }
30 set { if (value) RawHotkey |= HOTKEYF_CONTROL; else RawHotkey &= (ushort)~HOTKEYF_CONTROL; }
31 }
32
33 /// <summary>Alt key state</summary>
34 public bool Alt
35 {
36 get { return (RawHotkey & HOTKEYF_ALT) != 0; }
37 set { if (value) RawHotkey |= HOTKEYF_ALT; else RawHotkey &= (ushort)~HOTKEYF_ALT; }
38 }
39
40 /// <summary>Ext key state</summary>
41 /// <remarks>Probably useless nowadays</remarks>
42 public bool Ext
43 {
44 get { return (RawHotkey & HOTKEYF_EXT) != 0; }
45 set { if (value) RawHotkey |= HOTKEYF_EXT; else RawHotkey &= (ushort)~HOTKEYF_EXT; }
46 }
47
48 /// <summary>The key code portion of the hotkey data</summary>
49 /// <remarks>The key code is stored in the lower byte of the hotkey</remarks>
50 public byte KeyCode
51 {
52 get { return (byte)(RawHotkey & 0x00FF); }
53 set { RawHotkey = (ushort)((RawHotkey & 0xFF00) | value); }
54 }
55
56 /// <summary>Default constructor</summary>
57 public Hotkey() { }
58
59 /// <summary>Constructor with hotkey initializer</summary>
60 /// <param name="hotkey">Hotkey value for Win32 API calls</param>
61 public Hotkey(ushort hotkey)
62 {
63 RawHotkey = hotkey;
64 }
65
66 /// <summary>Converts the hotkey data into a friendly string</summary>
67 public override string ToString()
68 {
69 return string.Format("{0}{1}{2}{3}{4}",
70 Control ? "Ctrl+" : "",
71 Alt ? "Alt+" : "",
72 Shift ? "Shift+" : "",
73 Ext ? "Ext+" : "",
74 _modifierKeys.Contains((Keys)KeyCode) ? "" : new KeysConverter().ConvertToString((int)KeyCode));
75 }
76
77 /// <summary>Checks if two Hotkey objects have the same key combination</summary>
78 public override bool Equals(object obj)
79 {
80 Hotkey hotkey = obj as Hotkey;
81 return hotkey != null && hotkey.RawHotkey == RawHotkey;
82 }
83
84 public override int GetHashCode()
85 {
86 return RawHotkey.GetHashCode();
87 }
88 }
89 }