mirror of
https://github.com/greenshot/greenshot.git
synced 2025-01-09 23:33:02 -08:00
55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
/*
|
|
* Greenshot - a free and open source screenshot tool
|
|
* Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom
|
|
*
|
|
* For more information see: http://getgreenshot.org/
|
|
* The Greenshot project is hosted on GitHub https://github.com/greenshot/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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
using System.Drawing;
|
|
using System.Windows.Forms;
|
|
|
|
namespace GreenshotPlugin.Controls {
|
|
/// <summary>
|
|
/// See: http://nickstips.wordpress.com/2010/03/03/c-panel-resets-scroll-position-after-focus-is-lost-and-regained/
|
|
/// </summary>
|
|
public 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;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Add horizontal scrolling to the panel, when using the wheel and the shift key is pressed
|
|
/// </summary>
|
|
/// <param name="e">MouseEventArgs</param>
|
|
protected override void OnMouseWheel(MouseEventArgs e)
|
|
{
|
|
if (VScroll && (ModifierKeys & Keys.Shift) == Keys.Shift)
|
|
{
|
|
VScroll = false;
|
|
base.OnMouseWheel(e);
|
|
VScroll = true;
|
|
}
|
|
else
|
|
{
|
|
base.OnMouseWheel(e);
|
|
}
|
|
}
|
|
}
|
|
}
|