mirror of
https://github.com/Ryujinx/Opentk.git
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231 lines
9.2 KiB
C#
231 lines
9.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using OpenTK.Input;
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using System.Runtime.InteropServices;
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using System.Diagnostics;
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namespace OpenTK.Platform.X11
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{
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/// <summary>
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/// Drives the Keyboard devices on X11.
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/// This class supports OpenTK, and is not intended for use by OpenTK programs.
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/// </summary>
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internal class X11Keyboard : IKeyboardDriver
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{
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/// <summary>
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/// The window receiving input events.
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/// </summary>
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WindowInfo window;
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private bool[] keys = new bool[(int)OpenTK.Input.Key.MaxKeys];
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private List<Keyboard> keyboards = new List<Keyboard>();
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private static Dictionary<XKey, Key> keymap = new Dictionary<XKey, Key>((int)Key.MaxKeys);
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/// <summary>
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/// The smallest and largest KeyCode supported by the X server. Queried through API.DisplayKeycodes()
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/// </summary>
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int firstKeyCode, lastKeyCode;
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/// <summary>
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/// The number of KeySyms for each KeyCode.
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/// </summary>
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int keysyms_per_keycode;
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IntPtr[] keysyms;
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private static bool keymapExists;
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#region private static void Initialize()
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private static void Initialize()
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{
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if (!keymapExists)
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{
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keymap.Add(XKey.Escape, Key.Escape);
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keymap.Add(XKey.Return, Key.Enter);
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keymap.Add(XKey.space, Key.Space);
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keymap.Add(XKey.BackSpace, Key.BackSpace);
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keymap.Add(XKey.Shift_L, Key.ShiftLeft);
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keymap.Add(XKey.Shift_R, Key.ShiftRight);
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keymap.Add(XKey.Alt_L, Key.AltLeft);
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keymap.Add(XKey.Alt_R, Key.AltRight);
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keymap.Add(XKey.Control_L, Key.ControlLeft);
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keymap.Add(XKey.Control_R, Key.ControlRight);
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keymap.Add(XKey.Super_L, Key.WinLeft);
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keymap.Add(XKey.Super_R, Key.WinRight);
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keymap.Add(XKey.Meta_L, Key.WinLeft);
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keymap.Add(XKey.Meta_R, Key.WinRight);
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keymap.Add(XKey.Menu, Key.Menu);
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keymap.Add(XKey.Tab, Key.Tab);
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keymap.Add(XKey.minus, Key.Minus);
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keymap.Add(XKey.plus, Key.Plus);
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keymap.Add(XKey.equal, Key.Plus);
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keymap.Add(XKey.Caps_Lock, Key.CapsLock);
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keymap.Add(XKey.Num_Lock, Key.NumLock);
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for (int i = (int)XKey.F1; i <= (int)XKey.F35; i++)
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{
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keymap.Add((XKey)i, (Key)((int)Key.F1 + (i - (int)XKey.F1)));
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}
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for (int i = (int)XKey.a; i <= (int)XKey.z; i++)
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{
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keymap.Add((XKey)i, (Key)((int)Key.A + (i - (int)XKey.a)));
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}
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for (int i = (int)XKey.A; i <= (int)XKey.Z; i++)
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{
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keymap.Add((XKey)i, (Key)((int)Key.A + (i - (int)XKey.A)));
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}
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for (int i = (int)XKey.Number0; i <= (int)XKey.Number9; i++)
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{
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keymap.Add((XKey)i, (Key)((int)Key.Number0 + (i - (int)XKey.Number0)));
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}
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for (int i = (int)XKey.KP_0; i <= (int)XKey.KP_9; i++)
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{
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keymap.Add((XKey)i, (Key)((int)Key.Keypad0 + (i - (int)XKey.KP_0)));
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}
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keymap.Add(XKey.Pause, Key.Pause);
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keymap.Add(XKey.Break, Key.Pause);
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keymap.Add(XKey.Scroll_Lock, Key.Pause);
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keymap.Add(XKey.Insert, Key.PrintScreen);
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keymap.Add(XKey.Print, Key.PrintScreen);
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keymap.Add(XKey.Sys_Req, Key.PrintScreen);
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keymap.Add(XKey.backslash, Key.BackSlash);
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keymap.Add(XKey.bar, Key.BackSlash);
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keymap.Add(XKey.braceleft, Key.BracketLeft);
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keymap.Add(XKey.bracketleft, Key.BracketLeft);
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keymap.Add(XKey.braceright, Key.BracketRight);
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keymap.Add(XKey.bracketright, Key.BracketRight);
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keymap.Add(XKey.colon, Key.Semicolon);
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keymap.Add(XKey.semicolon, Key.Semicolon);
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keymap.Add(XKey.quoteright, Key.Quote);
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keymap.Add(XKey.quotedbl, Key.Quote);
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keymap.Add(XKey.quoteleft, Key.Tilde);
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keymap.Add(XKey.asciitilde, Key.Tilde);
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keymap.Add(XKey.comma, Key.Comma);
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keymap.Add(XKey.less, Key.Comma);
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keymap.Add(XKey.period, Key.Period);
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keymap.Add(XKey.greater, Key.Period);
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keymap.Add(XKey.slash, Key.Slash);
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keymap.Add(XKey.question, Key.Slash);
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keymap.Add(XKey.Left, Key.Left);
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keymap.Add(XKey.Down, Key.Down);
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keymap.Add(XKey.Right, Key.Right);
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keymap.Add(XKey.Up, Key.Up);
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keymap.Add(XKey.Delete, Key.Delete);
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keymap.Add(XKey.Home, Key.Home);
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keymap.Add(XKey.End, Key.End);
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//keymap.Add(XKey.Prior, Key.PageUp); // XKey.Prior == XKey.Page_Up
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keymap.Add(XKey.Page_Up, Key.PageUp);
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keymap.Add(XKey.Page_Down, Key.PageDown);
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//keymap.Add(XKey.Next, Key.PageDown); // XKey.Next == XKey.Page_Down
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keymap.Add(XKey.KP_Add, Key.KeypadAdd);
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keymap.Add(XKey.KP_Subtract, Key.KeypadSubtract);
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keymap.Add(XKey.KP_Multiply, Key.KeypadMultiply);
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keymap.Add(XKey.KP_Divide, Key.KeypadDivide);
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keymap.Add(XKey.KP_Decimal, Key.KeypadDecimal);
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keymap.Add(XKey.KP_Insert, Key.Keypad0);
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keymap.Add(XKey.KP_End, Key.Keypad1);
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keymap.Add(XKey.KP_Down, Key.Keypad2);
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keymap.Add(XKey.KP_Page_Down, Key.Keypad3);
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keymap.Add(XKey.KP_Left, Key.Keypad4);
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keymap.Add(XKey.KP_Right, Key.Keypad6);
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keymap.Add(XKey.KP_Home, Key.Keypad7);
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keymap.Add(XKey.KP_Up, Key.Keypad8);
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keymap.Add(XKey.KP_Page_Up, Key.Keypad9);
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keymap.Add(XKey.KP_Delete, Key.KeypadDecimal);
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keymap.Add(XKey.KP_Enter, Key.Enter);
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keymapExists = true;
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}
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}
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#endregion
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internal X11Keyboard(WindowInfo window)
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{
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this.window = window;
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Initialize();
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API.DisplayKeycodes(window.Display, ref firstKeyCode, ref lastKeyCode);
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Debug.Print("First keycode: {0}, last {1}", firstKeyCode, lastKeyCode);
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IntPtr keysym_ptr = API.GetKeyboardMapping(window.Display, (byte)firstKeyCode,
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lastKeyCode - firstKeyCode + 1, ref keysyms_per_keycode);
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Debug.Print("{0} keysyms per keycode.", keysyms_per_keycode);
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keysyms = new IntPtr[(lastKeyCode - firstKeyCode + 1) * keysyms_per_keycode];
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Marshal.PtrToStructure(keysym_ptr, keysyms);
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//keysyms = (IntPtr[])Marshal.PtrToStructure(keysym_ptr, typeof(IntPtr[]));
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API.Free(keysym_ptr);
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Keyboard kb = new Keyboard();
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kb.Description = "Default X11 keyboard";
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kb.NumberOfKeys = lastKeyCode - firstKeyCode + 1;
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keyboards.Add(kb);
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Debug.Print("Keyboard added: {0}", kb.ToString());
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}
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#region internal bool ProcessKeyboardEvent(X11.KeyEvent e)
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/// <summary>
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/// Processes X11 KeyEvents.
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/// </summary>
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/// <param name="e">The X11.KeyEvent to process</param>
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/// <returns>True if the event was processed, false otherwise.</returns>
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internal bool ProcessKeyboardEvent(X11.XKeyEvent e)
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{
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//int keysym = keysyms[(e.keycode - firstKeyCode) * keysyms_per_keycode].ToInt32();
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//int keysym2 = keysyms[(e.keycode - firstKeyCode) * keysyms_per_keycode].ToInt32();
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bool pressed = e.type == XEventName.KeyPress;
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IntPtr keysym = API.LookupKeysym(ref e, 0);
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IntPtr keysym2 = API.LookupKeysym(ref e, 1);
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switch (keysym.ToInt64())
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{
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default:
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if (keymap.ContainsKey((XKey)keysym))
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{
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keyboards[0][keymap[(XKey)keysym]] = pressed;
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}
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else if (keymap.ContainsKey((XKey)keysym2))
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{
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keyboards[0][keymap[(XKey)keysym2]] = pressed;
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}
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else
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{
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Debug.Print("KeyCode {0} (Keysym: {1}, {2}) not mapped.", e.keycode, (XKey)keysym, (XKey)keysym2);
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return false;
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}
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return true;
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}
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}
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#endregion
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#region --- IKeyboardDriver Members ---
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public IList<Keyboard> Keyboard
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{
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get { return keyboards; }
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}
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#endregion
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}
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}
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