using System;
using System.Windows.Forms;
using System.Security.Permissions;

namespace BismNormalizer.TabularCompare.UI
{
    public partial class EditorTextBox : RichTextBox
    {
        private bool m_FilterMouseClickMessages;

        public bool FilterMouseClickMessages
        {
            get { return m_FilterMouseClickMessages; }
            set { m_FilterMouseClickMessages = value; }
        }

        public EditorTextBox()
        {
            InitializeComponent();
        }

        //// Override WndProc so that we can ignore the mouse clicks when macro recording
        //[SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
        //protected override void WndProc(ref Message m)
        //{
        //    switch (m.Msg)
        //    {
        //        case BismNormalizer.NativeMethods.WM_LBUTTONDOWN:
        //        case BismNormalizer.NativeMethods.WM_RBUTTONDOWN:
        //        case BismNormalizer.NativeMethods.WM_MBUTTONDOWN:
        //        case BismNormalizer.NativeMethods.WM_LBUTTONDBLCLK:
        //            if (m_FilterMouseClickMessages)
        //            {
        //                Focus();
        //                return;
        //            }
        //            break;
        //    }

        //    base.WndProc(ref m);
        //}

        private void richTextBoxCtrl_MouseRecording(object sender, EventArgs e)
        {
            SetCursor(m_FilterMouseClickMessages);
        }

        private void richTextBoxCtrl_MouseLeave(object sender, EventArgs e)
        {
            if(m_FilterMouseClickMessages)
                SetCursor(!m_FilterMouseClickMessages);
        }

        private void SetCursor(bool cursorNo)
        {
            Cursor = cursorNo ? Cursors.No : Cursors.Default;
        }
    }
}