/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see .
*/
using System.Drawing;
using System.Windows.Forms;
namespace GreenshotPlugin.Controls
{
///
/// See: http://nickstips.wordpress.com/2010/03/03/c-panel-resets-scroll-position-after-focus-is-lost-and-regained/
///
internal class NonJumpingPanel : Panel
{
protected override Point ScrollToControl(Control activeControl)
{
// Returning the current location prevents the panel from
// scrolling to the active control when the panel loses and regains focus
return DisplayRectangle.Location;
}
///
/// Add horizontal scrolling to the panel, when using the wheel and the shift key is pressed
///
/// MouseEventArgs
protected override void OnMouseWheel(MouseEventArgs e)
{
if (VScroll && (ModifierKeys & Keys.Shift) == Keys.Shift)
{
VScroll = false;
base.OnMouseWheel(e);
VScroll = true;
}
else
{
base.OnMouseWheel(e);
}
}
}
}