greenshot/Greenshot/Controls/ColorButton.cs

90 lines
2.7 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2016 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;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
using GreenshotPlugin.Controls;
namespace Greenshot.Controls {
/// <summary>
/// Description of ColorButton.
/// </summary>
public class ColorButton : Button, IGreenshotLanguageBindable {
public event PropertyChangedEventHandler PropertyChanged;
private Color _selectedColor = Color.White;
[Category("Greenshot"), DefaultValue(null), Description("Specifies key of the language file to use when displaying the text.")]
public string LanguageKey {
get;
set;
}
public ColorButton() {
Click += ColorButtonClick;
}
public Color SelectedColor {
get {return _selectedColor;}
set {
_selectedColor = value;
Brush brush;
if(value != Color.Transparent) {
brush = new SolidBrush(value);
} else {
brush = new HatchBrush(HatchStyle.Percent50, Color.White, Color.Gray);
}
if (Image != null) {
using (Graphics graphics = Graphics.FromImage(Image)) {
graphics.FillRectangle(brush, new Rectangle(4,17,16,3));
}
}
// cleanup GDI Object
brush.Dispose();
Invalidate();
}
}
private void ColorButtonClick(object sender, EventArgs e) {
var colorDialog = new ColorDialog
{
Color = SelectedColor
};
// Using the parent to make sure the dialog doesn't show on another window
colorDialog.ShowDialog(Parent.Parent);
if (colorDialog.DialogResult == DialogResult.Cancel)
{
return;
}
if (colorDialog.Color.Equals(SelectedColor))
{
return;
}
SelectedColor = colorDialog.Color;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedColor"));
}
}
}