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KPDOnScreenKeyboardViewModel.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using WindowsInput.Native;
using WPFKeyboard.Models;
using WPFKeyboardNative;
namespace WPFKeyboard
{
/// <summary>
/// This view model uses a KPD dll to build the keyboard layout.
/// Supporting KPD files allows us to instantly support every windows language.
/// </summary>
public class KPDOnScreenKeyboardViewModel : OnScreenKeyboardViewModel
{
/// <summary>
/// Initializes a new instance of the <see cref="KPDOnScreenKeyboardViewModel"/> class.
/// </summary>
/// <param name="kpdFileLocation">The KPD file location.</param>
public KPDOnScreenKeyboardViewModel(string kpdFileLocation)
{
BuildKeyboardLayout(KeyboardLayoutHelper.GetLayout(kpdFileLocation));
}
/// <summary>
/// Build the keyboard layout based on the given class that represents the KPD file given in the constructor.
/// </summary>
/// <param name="keyboardLayout">The keyboard layout.</param>
public void BuildKeyboardLayout(KeyboardLayout keyboardLayout)
{
//var sb = new StringBuilder();
//sb.AppendLine("---------");
//sb.AppendLine("CharModifiers");
//sb.AppendLine("---------");
//foreach (var charModifier in keyboardLayout.CharModifiers)
//{
// sb.AppendLine(string.Format("ModifierBits:{0}:VirtualKey:{1}", charModifier.ModifierBits,
// charModifier.VirtualKey));
//}
//sb.AppendLine("---------");
//sb.AppendLine("ScanCodeText");
//sb.AppendLine("---------");
//foreach (var scanCodeText in keyboardLayout.CodeText)
//{
// sb.AppendLine(string.Format("ScanCode:{0:X}:Text:{1}", scanCodeText.ScanCode,
// scanCodeText.Text));
//}
//sb.AppendLine("---------");
//sb.AppendLine("ScanCodes");
//sb.AppendLine("---------");
//foreach (var scanCode in keyboardLayout.ScanCodes.Where(x => !x.E0Set && !x.E1Set))
//{
// sb.AppendLine(string.Format("ScanCode:{0:X}:VirtualKey:{1}:E0:{2}:E1:{3}", scanCode.Code,
// scanCode.VirtualKey, scanCode.E0Set, scanCode.E1Set));
//}
//sb.AppendLine("---------");
//sb.AppendLine("ScanCodes E0");
//sb.AppendLine("---------");
//foreach (var scanCode in keyboardLayout.ScanCodes.Where(x => x.E0Set))
//{
// sb.AppendLine(string.Format("ScanCode:{0:X}:VirtualKey:{1}:E0:{2}:E1:{3}", scanCode.Code,
// scanCode.VirtualKey, scanCode.E0Set, scanCode.E1Set));
//}
//sb.AppendLine("---------");
//sb.AppendLine("ScanCodes E1");
//sb.AppendLine("---------");
//foreach (var scanCode in keyboardLayout.ScanCodes.Where(x => x.E1Set))
//{
// sb.AppendLine(string.Format("ScanCode:{0:X}:VirtualKey:{1}:E0:{2}:E1:{3}", scanCode.Code,
// scanCode.VirtualKey, scanCode.E0Set, scanCode.E1Set));
//}
//sb.AppendLine("---------");
//sb.AppendLine("VirtualKeys");
//sb.AppendLine("---------");
//foreach (var virtualkey in keyboardLayout.VirtualKeys)
//{
// sb.AppendLine(string.Format("VirtualKey:{0}:Attributes:{1}:Characters:{2}", virtualkey.Key,
// virtualkey.Attributes, string.Join(" - ", virtualkey.Characters.Select(x => string.Format("{0:X}", x)))));
//}
//var result = sb.ToString();
var mainSection = new OnScreenKeyboardSectionViewModel();
mainSection.Rows.Add(BuildRow1(keyboardLayout));
mainSection.Rows.Add(BuildRow2(keyboardLayout));
mainSection.Rows.Add(BuildRow3(keyboardLayout));
mainSection.Rows.Add(BuildRow4(keyboardLayout));
mainSection.Rows.Add(BuildRow5(keyboardLayout));
Sections.Add(mainSection);
}
private OnScreenKeyboardRowViewModel BuildRow1(KeyboardLayout layout)
{
var row = new OnScreenKeyboardRowViewModel();
row.Keys.Add(KeyForScanCode(0x29, layout)); // ~
row.Keys.Add(KeyForScanCode(0x02, layout)); // 1
row.Keys.Add(KeyForScanCode(0x03, layout)); // 2
row.Keys.Add(KeyForScanCode(0x04, layout)); // 3
row.Keys.Add(KeyForScanCode(0x05, layout)); // 4
row.Keys.Add(KeyForScanCode(0x06, layout)); // 5
row.Keys.Add(KeyForScanCode(0x07, layout)); // 6
row.Keys.Add(KeyForScanCode(0x08, layout)); // 7
row.Keys.Add(KeyForScanCode(0x09, layout)); // 8
row.Keys.Add(KeyForScanCode(0x0A, layout)); // 9
row.Keys.Add(KeyForScanCode(0x0B, layout)); // 0
row.Keys.Add(KeyForScanCode(0x0C, layout)); // -
row.Keys.Add(KeyForScanCode(0x0D, layout)); // +
row.Keys.Add(KeyForScanCode(0x0E, layout, 20)); // backspace
return row;
}
private OnScreenKeyboardRowViewModel BuildRow2(KeyboardLayout layout)
{
var row = new OnScreenKeyboardRowViewModel();
row.Keys.Add(KeyForScanCode(0x0F, layout, 15)); // tab
row.Keys.Add(KeyForScanCode(0x10, layout)); // Q
row.Keys.Add(KeyForScanCode(0x11, layout)); // W
row.Keys.Add(KeyForScanCode(0x12, layout)); // E
row.Keys.Add(KeyForScanCode(0x13, layout)); // R
row.Keys.Add(KeyForScanCode(0x14, layout)); // T
row.Keys.Add(KeyForScanCode(0x15, layout)); // Y
row.Keys.Add(KeyForScanCode(0x16, layout)); // U
row.Keys.Add(KeyForScanCode(0x17, layout)); // I
row.Keys.Add(KeyForScanCode(0x18, layout)); // O
row.Keys.Add(KeyForScanCode(0x19, layout)); // P
row.Keys.Add(KeyForScanCode(0x1A, layout)); // [
row.Keys.Add(KeyForScanCode(0x1B, layout)); // ]
row.Keys.Add(KeyForScanCode(0x2B, layout, 15)); // \
return row;
}
private OnScreenKeyboardRowViewModel BuildRow3(KeyboardLayout layout)
{
var row = new OnScreenKeyboardRowViewModel();
row.Keys.Add(KeyForScanCode(0x3A, layout, 17)); // caps lock
row.Keys.Add(KeyForScanCode(0x1E, layout)); // A
row.Keys.Add(KeyForScanCode(0x1F, layout)); // S
row.Keys.Add(KeyForScanCode(0x20, layout)); // D
row.Keys.Add(KeyForScanCode(0x21, layout)); // F
row.Keys.Add(KeyForScanCode(0x22, layout)); // G
row.Keys.Add(KeyForScanCode(0x23, layout)); // H
row.Keys.Add(KeyForScanCode(0x24, layout)); // J
row.Keys.Add(KeyForScanCode(0x25, layout)); // K
row.Keys.Add(KeyForScanCode(0x26, layout)); // L
row.Keys.Add(KeyForScanCode(0x27, layout)); // ;
row.Keys.Add(KeyForScanCode(0x28, layout)); // '
row.Keys.Add(KeyForScanCode(0x1C, layout, 21)); // enter
return row;
}
private OnScreenKeyboardRowViewModel BuildRow4(KeyboardLayout layout)
{
var row = new OnScreenKeyboardRowViewModel();
row.Keys.Add(KeyForScanCode(0x2A, layout, 21)); // left shift
row.Keys.Add(KeyForScanCode(0x2C, layout)); // Z
row.Keys.Add(KeyForScanCode(0x2D, layout)); // X
row.Keys.Add(KeyForScanCode(0x2E, layout)); // C
row.Keys.Add(KeyForScanCode(0x2F, layout)); // V
row.Keys.Add(KeyForScanCode(0x30, layout)); // B
row.Keys.Add(KeyForScanCode(0x31, layout)); // N
row.Keys.Add(KeyForScanCode(0x32, layout)); // M
row.Keys.Add(KeyForScanCode(0x33, layout)); // ,
row.Keys.Add(KeyForScanCode(0x34, layout)); // .
row.Keys.Add(KeyForScanCode(0x35, layout)); // /
row.Keys.Add(KeyForScanCode(0x36, layout, 21)); // right shift
return row;
}
private OnScreenKeyboardRowViewModel BuildRow5(KeyboardLayout layout)
{
var row = new OnScreenKeyboardRowViewModel();
row.Keys.Add(KeyForScanCode(0x1D, layout)); // right control
row.Keys.Add(KeyForScanCode(0x5B, layout, isE0: true)); // left windows
row.Keys.Add(KeyForScanCode(0x38, layout)); // left alt
row.Keys.Add(KeyForScanCode(0x39, layout, 45)); // space bar
row.Keys.Add(KeyForScanCode(0x38, layout, isE0: true)); // right alt
row.Keys.Add(KeyForScanCode(0x5C, layout, isE0: true)); // right windows
row.Keys.Add(KeyForScanCode(0x5D, layout, isE0: true)); // menu
row.Keys.Add(KeyForScanCode(0x1D, layout, isE0: true)); // right control
return row;
}
private BaseOnScreenKeyViewModel KeyForScanCode(int scanCode, KeyboardLayout layout, int widthWeight = 10, bool isE0 = false, bool isE1 = false)
{
var sc = layout.ScanCodes.FirstOrDefault(x => x.Code == scanCode && x.E0Set == isE0 && x.E1Set == isE1);
if (sc == null)
throw new Exception(string.Format("The scan code {0:X} isn't valid.", scanCode));
var virtualKey = (VirtualKeyCode)(sc.VirtualKey & 0xFF);
var virtualKeyInfo = layout.VirtualKeys.SingleOrDefault(x => x.Key == sc.VirtualKey);
var scanCodeText = layout.CodeText.SingleOrDefault(x => x.ScanCode == scanCode);
return new VirtualKey(virtualKey,
scanCodeText != null ? scanCodeText.Text : null,
virtualKeyInfo != null ? virtualKeyInfo.Characters.ToList() : new List<int>(),
virtualKeyInfo != null && virtualKeyInfo.Attributes == 1)
{
ButtonWidth = new GridLength(widthWeight, GridUnitType.Star)
};
}
}
}