Sunji-posv-net/pos/POSV.FastTemplate/Component/LoginKeyboardControl.cs

using DevComponents.DotNetBar.Keyboard;
using POSV.Utils;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace POSV.Component
{
    [ToolboxItem(true)]
    public class LoginKeyboardControl: KeyboardControl
    {

        public LoginKeyboardControl()
        {
            this.Keyboard = CreateSimpleKeyboard();

            VirtualKeyboardColorTable _colorTableCustom = new VirtualKeyboardColorTable();
            _colorTableCustom.BackgroundColor = Color.White;
            _colorTableCustom.KeysColor = ColorTranslator.FromHtml("#ececea"); 
            _colorTableCustom.PressedKeysColor = Color.LightGray;
            _colorTableCustom.TextColor = Color.White; //ColorTranslator.FromHtml("#666666");
            _colorTableCustom.DownKeysColor = Color.LightGray;
            _colorTableCustom.DownTextColor = Color.White;
            _colorTableCustom.TopBarTextColor = Color.Black;
            _colorTableCustom.ToggleTextColor = Color.DarkRed;

            this.ColorTable = _colorTableCustom;

            this.Font = Constant.NORMAL_FONT;

            this.IsTopBarVisible = false;

            this.Size = new Size(350, 330);

            this.SendingKey += OnSendingKey;
        }

        private void OnSendingKey(object sender, KeyboardKeyCancelEventArgs e)
        {
            var key = e.Key;

            switch (key)
            {
                case "清除":
                    {
                        InputSimulatorUtils.SendClear();
                        e.Cancel = true;
                    }
                    break;
                case "{BACKSPACE}":
                    {
                        InputSimulatorUtils.SendKey(KeyCodes.Map["back"]);
                        e.Cancel = true;
                    }
                    break;
                default:
                    {
                        if (KeyCodes.Map.ContainsKey(key))
                        {
                            InputSimulatorUtils.SendKey(KeyCodes.Map[key]);
                                e.Cancel = true;
                        }
                    }
                    break;
            }
        }

        private Keyboard CreateSimpleKeyboard()
        {
            Keyboard keyboard = new Keyboard();
            
            var line = new LinearKeyboardLayout();
            line.AddKey("7");
            line.AddKey("8");
            line.AddKey("9");
            line.AddLine();

            line.AddKey("4");
            line.AddKey("5");
            line.AddKey("6");
            line.AddLine();

            line.AddKey("1");
            line.AddKey("2");
            line.AddKey("3");
            line.AddLine();

            line.AddKey("0");
            line.AddKey("清除", info: null);
            line.AddKey("Backspace", info: "{BACKSPACE}");
            
            keyboard.Layouts.Add(line);
            return keyboard;
        }
    }
}