DyeingComputer/Windows/TouchKeyboardNumeral.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace DyeingComputer.Windows
{
    /// <summary>
    /// TouchKeyboard.xaml 的交互逻辑
    /// </summary>
    public partial class TouchKeyboardNumeral : Window
    {
        private bool isShiftActive = false;
        private bool isSymbolActive = false;
        public string KeyValue;

        public TouchKeyboardNumeral()
        {
            InitializeComponent();
        }

        private void KeyButton_Click(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            if (button != null)
            {
                string key = button.Content.ToString();

                if (key.Length == 1 && char.IsLetter(key[0]))
                {
                    key = isShiftActive ? key.ToUpper() : key.ToLower();
                }

                PreviewTextBox.Text += key;
            }
        }       

        private void Backspace_Click(object sender, RoutedEventArgs e)
        {
            if (!string.IsNullOrEmpty(PreviewTextBox.Text))
            {
                PreviewTextBox.Text = PreviewTextBox.Text.Substring(0, PreviewTextBox.Text.Length - 1);
            }
        }

        private void Enter_Click(object sender, RoutedEventArgs e)
        {
           KeyValue = PreviewTextBox.Text;
            this.Close();
           // PreviewTextBox.Text += Environment.NewLine;
        }

        private void Hide_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }
             
    }
}