45 lines
1.3 KiB
C#
45 lines
1.3 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Runtime.InteropServices;
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namespace TibisMathematicsSuite.KeyboardIO
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{
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public static class Hotkey
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{
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private static HotkeyWindow window = new HotkeyWindow();
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private static int currentId = 0;
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public static event EventHandler<MyKeyEventArgs> HotkeyPressed
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{
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add { window.HotkeyPressed += value; }
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remove { window.HotkeyPressed -= value; }
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}
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#region Winapi routines
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// Registers a hot key with Windows.
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[DllImport("user32.dll")]
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private static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);
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// Unregisters the hot key with Windows.
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[DllImport("user32.dll")]
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private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
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#endregion
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public static void Register(MyKey key)
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{
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currentId++;
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if (!RegisterHotKey(window.Handle, currentId, (uint)key.Mods, (uint)key.Key))
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throw new InvalidOperationException("Could not register the hotkey!");
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}
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public static void UnregisterAll()
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{
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for (; currentId > 0; currentId--)
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UnregisterHotKey(window.Handle, currentId);
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}
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}
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}
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