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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using KeePass.Resources;
namespace KeePass.UI
{
public sealed class ColorButtonEx : Button
{
private Image m_img = null;
private ToolTip m_tt = null;
private CustomContextMenuEx m_ctx = null;
private readonly List<ColorMenuItem> m_lMenuItems = new List<ColorMenuItem>();
private Color[] m_vColors = null;
[Browsable(false)]
[DefaultValue((object)null)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public Color[] Colors
{
get { return m_vColors; }
set { if(!Program.DesignMode) m_vColors = value; }
}
public bool ShouldSerializeColors() { return false; }
private Color m_clr = Color.Empty;
[Browsable(false)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
public Color SelectedColor
{
get { return m_clr; }
set
{
if(Program.DesignMode) return;
m_clr = value;
bool bEmpty = UIUtil.ColorsEqual(m_clr, Color.Empty);
Debug.Assert(bEmpty || (m_vColors == null) ||
(Array.IndexOf(m_vColors, m_clr) >= 0));
Image imgNew = (!bEmpty ? UIUtil.CreateColorBitmap24(this,
m_clr) : null);
UIUtil.OverwriteButtonImage(this, ref m_img, imgNew);
UpdateToolTipEx();
}
}
public bool ShouldSerializeSelectedColor() { return false; }
public ColorButtonEx() : base()
{
if(Program.DesignMode) return;
Debug.Assert(this.ImageAlign == ContentAlignment.MiddleCenter);
Debug.Assert(this.Text == string.Empty); // Foreground color?
Debug.Assert(this.TextImageRelation == TextImageRelation.Overlay);
m_tt = new ToolTip();
UIUtil.ConfigureToolTip(m_tt);
UpdateToolTipEx();
}
protected override void Dispose(bool disposing)
{
if(disposing)
{
UIUtil.DisposeButtonImage(this, ref m_img);
if(m_tt != null) { m_tt.Dispose(); m_tt = null; }
DisposeColorMenu();
}
base.Dispose(disposing);
}
private void DisposeColorMenu()
{
if(m_ctx == null) return;
foreach(ColorMenuItem mi in m_lMenuItems)
mi.Click -= this.OnColorMenuItemClick;
m_lMenuItems.Clear();
m_ctx.Dispose();
m_ctx = null;
}
private void ShowColorMenu()
{
DisposeColorMenu();
if(m_vColors == null) { Debug.Assert(false); return; }
int cColors = m_vColors.Length;
if(cColors == 0) { Debug.Assert(false); return; }
int nBreakAt = Math.Max((int)Math.Sqrt(0.1 + cColors), 1);
int qSize = (int)((20.0f * this.Height) / 23.0f + 0.01f);
for(int i = 0; i < cColors; ++i)
{
ColorMenuItem mi = new ColorMenuItem(m_vColors[i], qSize);
mi.Click += this.OnColorMenuItemClick;
if(((i % nBreakAt) == 0) && (i != 0))
mi.Break = true;
m_lMenuItems.Add(mi);
}
m_ctx = new CustomContextMenuEx();
m_ctx.MenuItems.AddRange(m_lMenuItems.ToArray());
m_ctx.ShowEx(this);
}
private void UpdateToolTipEx()
{
string str = KPRes.SelectColor + " \u2013 " + KPRes.Selected +
": " + UIUtil.ColorToString(m_clr);
UIUtil.SetToolTip(m_tt, this, str, true);
}
protected override void OnClick(EventArgs e)
{
// base.OnClick(e);
if(m_vColors != null) ShowColorMenu();
else
{
Color? oclr = UIUtil.ShowColorDialog(m_clr);
if(oclr.HasValue) this.SelectedColor = oclr.Value;
}
}
private void OnColorMenuItemClick(object sender, EventArgs e)
{
ColorMenuItem mi = (sender as ColorMenuItem);
if(mi == null) { Debug.Assert(false); return; }
this.SelectedColor = mi.Color;
}
}
}
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