xwt/Xwt.WPF/Xwt.WPFBackend/KeyboardUtil.cs

135 строки
5.0 KiB
C#

//
// KeyboardUtil.cs
//
// Author:
// Carlos Alberto Cortez <calberto.cortez@gmail.com>
//
// Copyright (c) 2011 Carlos Alberto Cortez
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Input;
using WpfKey = System.Windows.Input.Key;
namespace Xwt.WPFBackend
{
using Keyboard = System.Windows.Input.Keyboard;
public static class KeyboardUtil
{
public static ModifierKeys GetModifiers ()
{
var modifiers = ModifierKeys.None;
var wpfModifiers = Keyboard.Modifiers;
if ((wpfModifiers & System.Windows.Input.ModifierKeys.Alt) > 0)
modifiers |= ModifierKeys.Alt;
if ((wpfModifiers & System.Windows.Input.ModifierKeys.Control) > 0)
modifiers |= ModifierKeys.Control;
if ((wpfModifiers & System.Windows.Input.ModifierKeys.Shift) > 0)
modifiers |= ModifierKeys.Shift;
return modifiers;
}
const int D_Pos = (int)Key.K0 - (int)WpfKey.D0;
const int U_Pos = (int)Key.A - (int)WpfKey.A;
const int L_Pos = (int)Key.a - (int)WpfKey.A;
const int N_Pos = (int)Key.NumPad0 - (int)WpfKey.NumPad0;
const int F_Pos = (int)Key.F1 - (int)WpfKey.F1;
// Missing key translations:
// * NumPad keys other than 1-9
// * SysReq, Undo, Redo, Menu, Find, Break, Equal
// * ShiftLock, MetaLeft, MetaRight
// * SuperLeft, SuperRight (likely not mappeable for Windows)
// * Less, Greater, Question, At
public static Key TranslateToXwtKey (WpfKey key)
{
// Letter keys
if (key >= WpfKey.A && key <= WpfKey.Z) {
bool upperCase = Keyboard.IsKeyToggled (WpfKey.CapsLock);
if ((Keyboard.Modifiers & System.Windows.Input.ModifierKeys.Shift) > 0)
upperCase = !upperCase;
return upperCase ? (Key)(key + U_Pos) : (Key)(key + L_Pos);
}
if (key >= WpfKey.D0 && key <= WpfKey.D9)
return (Key)(key + D_Pos);
// Numpad- keys
if (key >= WpfKey.NumPad0 && key <= WpfKey.NumPad9)
return (Key)(key + N_Pos);
// F- keys
if (key >= WpfKey.F1 && key <= WpfKey.F10)
return (Key)(key + F_Pos);
bool isShiftToggled = Keyboard.IsKeyToggled (WpfKey.LeftShift) || Keyboard.IsKeyToggled (WpfKey.RightShift);
switch (key) {
case WpfKey.Cancel: return Key.Cancel;
case WpfKey.Back: return Key.BackSpace;
case WpfKey.Tab: return Key.Tab;
case WpfKey.LineFeed: return Key.LineFeed;
case WpfKey.Clear: return Key.Clear;
case WpfKey.Return: return Key.Return;
case WpfKey.Pause: return Key.Pause;
case WpfKey.CapsLock: return Key.CapsLock;
case WpfKey.Space: return Key.Space;
case WpfKey.Escape: return Key.Escape;
case WpfKey.PageDown: return Key.PageDown;
case WpfKey.PageUp: return Key.PageUp;
case WpfKey.End: return Key.End;
case WpfKey.Home: return Key.Home;
case WpfKey.Left: return Key.Left;
case WpfKey.Up: return Key.Up;
case WpfKey.Right: return Key.Right;
case WpfKey.Down: return Key.Down;
case WpfKey.Select: return Key.Select;
case WpfKey.Print: return Key.Print;
case WpfKey.Execute: return Key.Execute;
case WpfKey.Delete: return Key.Delete;
case WpfKey.Help: return Key.Help;
case WpfKey.Insert: return Key.Insert;
case WpfKey.Scroll: return Key.ScrollLock;
case WpfKey.NumLock: return Key.NumLock;
case WpfKey.LeftShift: return Key.ShiftLeft;
case WpfKey.RightShift: return Key.ShiftRight;
case WpfKey.LeftCtrl: return Key.ControlLeft;
case WpfKey.RightCtrl: return Key.ControlRight;
case WpfKey.LeftAlt: return Key.AltLeft;
case WpfKey.RightAlt: return Key.AltRight;
case WpfKey.Multiply: return Key.Asterisk;
case WpfKey.Add: return Key.Plus;
case WpfKey.OemComma: return isShiftToggled ? Key.Semicolon : Key.Comma;
case WpfKey.Subtract: return Key.Minus;
case WpfKey.Divide: return Key.Slash;
case WpfKey.OemPeriod: return isShiftToggled ? Key.Colon : Key.Period;
}
return (Key)0;
}
}
}