[C#/WPF] KeyGesture 클래스 : 메뉴 단축키 사용하기

TestProject.zip

다운로드

▶ MainWindow.xaml

<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Width="800"
    Height="600"
    Title="KeyGesture 클래스 : 메뉴 단축키 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <DockPanel>
        <Menu DockPanel.Dock="Top"
            Padding="5"
            FontSize="16">
            <MenuItem Name="editMenuItem" Header="편집(_E)">
                <MenuItem Name="cutMenuItem" Header="잘라내기(_T)"
                    InputGestureText="Ctrl+X" />
                <MenuItem Name="copyMenuItem" Header="복사하기(_C)"
                    InputGestureText="Ctrl+C" />
                <MenuItem Name="pasteMenuItem" Header="붙여넣기(_V)"
                    InputGestureText="Ctrl+V" />
                <MenuItem Name="deleteMenuItem" Header="삭제하기(_D)"
                    InputGestureText="Delete" />
            </MenuItem>
        </Menu>
        <TextBlock Name="textBlock"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            TextWrapping="Wrap"
            FontSize="32"
            Text="샘플 클립보드 텍스트" />
    </DockPanel>
</Window>

 

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▶ MainWindow.xaml.cs

using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 키 제스처 딕셔너리
        /// </summary>
        Dictionary<KeyGesture, MenuItem> keyGestureDictionary = new Dictionary<KeyGesture, MenuItem>();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.editMenuItem.SubmenuOpened += editMenuItem_SubmenuOpened;
            this.cutMenuItem.Click          += cutMenuItem_Click;
            this.copyMenuItem.Click         += copyMenuItem_Click;
            this.pasteMenuItem.Click        += pasteMenuItem_Click;
            this.deleteMenuItem.Click       += deleteMenuItem_Click;

            this.keyGestureDictionary.Add(new KeyGesture(Key.X, ModifierKeys.Control), this.cutMenuItem   );
            this.keyGestureDictionary.Add(new KeyGesture(Key.C, ModifierKeys.Control), this.copyMenuItem  );
            this.keyGestureDictionary.Add(new KeyGesture(Key.V, ModifierKeys.Control), this.pasteMenuItem );
            this.keyGestureDictionary.Add(new KeyGesture(Key.Delete                 ), this.deleteMenuItem);
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 키 DOWN 사전 처리하기 - OnPreviewKeyDown(e)

        /// <summary>
        /// 키 DOWN 사전 처리하기
        /// </summary>
        /// <param name="e">이벤트 인자</param>
        protected override void OnPreviewKeyDown(KeyEventArgs e)
        {
            base.OnKeyDown(e);

            foreach(KeyGesture keyGesture in this.keyGestureDictionary.Keys)
            {
                if(keyGesture.Matches(null, e))
                {
                    e.Handled = true;

                    this.keyGestureDictionary[keyGesture].RaiseEvent
                    (
                        new RoutedEventArgs
                        (
                            MenuItem.ClickEvent,
                            this.keyGestureDictionary[keyGesture]
                        )
                    );
                }
            }
        }

        #endregion

        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 편집 메뉴 항목 하위 메뉴 오픈시 처리하기 - editMenuItem_SubmenuOpened(sender, e)

        /// <summary>
        /// 편집 메뉴 항목 하위 메뉴 오픈시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void editMenuItem_SubmenuOpened(object sender, RoutedEventArgs e)
        {
            bool isEnabled = (this.textBlock.Text != null && this.textBlock.Text.Length > 0);

            this.cutMenuItem.IsEnabled    = isEnabled;
            this.copyMenuItem.IsEnabled   = isEnabled;
            this.pasteMenuItem.IsEnabled  = Clipboard.ContainsText();
            this.deleteMenuItem.IsEnabled = isEnabled;
        }

        #endregion
        #region 잘라내기 메뉴 항목 클릭시 처리하기 - cutMenuItem_Click(sender, e)

        /// <summary>
        /// 잘라내기 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        protected void cutMenuItem_Click(object sender, RoutedEventArgs e)
        {
            copyMenuItem_Click(sender, e);

            deleteMenuItem_Click(sender, e);
        }

        #endregion
        #region 복사하기 메뉴 항목 클릭시 처리하기 - copyMenuItem_Click(sender, e)

        /// <summary>
        /// 복사하기 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        protected void copyMenuItem_Click(object sender, RoutedEventArgs e)
        {
            if(this.textBlock.Text != null && this.textBlock.Text.Length > 0)
            {
                Clipboard.SetText(this.textBlock.Text);
            }
        }

        #endregion
        #region 붙여넣기 메뉴 항목 클릭시 처리하기 - pasteMenuItem_Click(sender, e)

        /// <summary>
        /// 붙여넣기 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        protected void pasteMenuItem_Click(object sender, RoutedEventArgs e)
        {
            if(Clipboard.ContainsText())
            {
                this.textBlock.Text = Clipboard.GetText();
            }
        }

        #endregion
        #region 삭제하기 메뉴 항목 클릭시 처리하기 - deleteMenuItem_Click(sender, e)

        /// <summary>
        /// 삭제하기 메뉴 항목 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        protected void deleteMenuItem_Click(object sender, RoutedEventArgs e)
        {
            this.textBlock.Text = null;
        }

        #endregion
    }
}