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Copy pathColorBox.cs
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106 lines (89 loc) · 1.98 KB
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using System;
using System.ComponentModel;
using System.Diagnostics.Contracts;
using System.Drawing;
using System.Windows.Forms;
namespace ReClassNET.Controls
{
[DefaultEvent(nameof(ColorChanged))]
[DefaultBindingProperty(nameof(Color))]
public partial class ColorBox : UserControl
{
private const int DefaultWidth = 123;
private const int DefaultHeight = 20;
private bool updateTextBox = true;
public event EventHandler ColorChanged;
private Color color;
public Color Color
{
get => color;
set
{
// Normalize the color because Color.Red != Color.FromArgb(255, 0, 0)
value = Color.FromArgb(value.ToArgb());
if (color != value)
{
color = value;
colorPanel.BackColor = value;
if (updateTextBox)
{
valueTextBox.Text = ColorTranslator.ToHtml(value);
}
OnColorChanged(EventArgs.Empty);
}
updateTextBox = true;
}
}
protected virtual void OnColorChanged(EventArgs e)
{
Contract.Requires(e != null);
var eh = ColorChanged;
eh?.Invoke(this, e);
}
public ColorBox()
{
InitializeComponent();
}
protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified)
{
base.SetBoundsCore(x, y, DefaultWidth, DefaultHeight, specified);
}
private void OnTextChanged(object sender, EventArgs e)
{
try
{
var str = valueTextBox.Text;
if (!str.StartsWith("#"))
{
str = "#" + str;
}
var newColor = ColorTranslator.FromHtml(str);
updateTextBox = false;
Color = newColor;
}
catch
{
// ignored
}
}
private void OnPanelClick(object sender, EventArgs e)
{
using var cd = new ColorDialog
{
FullOpen = true,
Color = Color
};
if (cd.ShowDialog() == DialogResult.OK)
{
Color = cd.Color;
}
}
private void OnPanelPaint(object sender, PaintEventArgs e)
{
var rect = colorPanel.ClientRectangle;
rect.Width--;
rect.Height--;
e.Graphics.DrawRectangle(Pens.Black, rect);
}
}
}