source: branches/HeuristicLab.Problems.GaussianProcessTuning/ILNumerics.2.14.4735.573/Drawing/Controls/ILTextBoxAutoHide.cs @ 12448

///
///    This file is part of ILNumerics Community Edition.
///
///    ILNumerics Community Edition - high performance computing for applications.
///    Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
///
///    ILNumerics Community Edition is free software: you can redistribute it and/or modify
///    it under the terms of the GNU General Public License version 3 as published by
///    the Free Software Foundation.
///
///    ILNumerics Community Edition is distributed in the hope that it will be useful,
///    but WITHOUT ANY WARRANTY; without even the implied warranty of
///    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
///    GNU General Public License for more details.
///
///    You should have received a copy of the GNU General Public License
///    along with ILNumerics Community Edition. See the file License.txt in the root
///    of your distribution package. If not, see <http://www.gnu.org/licenses/>.
///
///    In addition this software uses the following components and/or licenses: 
///
///    =================================================================================
///    The Open Toolkit Library License
///    
///    Copyright (c) 2006 - 2009 the Open Toolkit library.
///    
///    Permission is hereby granted, free of charge, to any person obtaining a copy
///    of this software and associated documentation files (the "Software"), to deal
///    in the Software without restriction, including without limitation the rights to 
///    use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
///    the Software, and to permit persons to whom the Software is furnished to do
///    so, subject to the following conditions:
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///    The above copyright notice and this permission notice shall be included in all
///    copies or substantial portions of the Software.
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using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms; 

namespace ILNumerics.Drawing {

    public class ILTextBoxAutoHide : TextBox {

        public event EventHandler Committing; 
        protected void OnCommit() {
            if (Committing != null) {
                Committing(this,new EventArgs()); 
            }
        }

        public ILTextBoxAutoHide () : base () {
            BorderStyle = BorderStyle.None; 
            TextAlign = HorizontalAlignment.Center; 
        }
        protected override void OnGotFocus(EventArgs e) {
            base.OnGotFocus(e);
            SelectAll(); 
        }
        
        protected override void OnLostFocus(EventArgs e) {
            base.OnLostFocus(e);
            this.Hide(); 
        }
        protected override void OnKeyPress(KeyPressEventArgs e) {
            base.OnKeyPress(e);
            if (e.KeyChar == (char)Keys.Enter) { 
                OnCommit(); 
                Hide();
            } else if (e.KeyChar == (char)Keys.Escape) {
                Hide();     
            }

        }
    }
}