75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// The Command & Conquer Map Editor and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// The Command & Conquer Map Editor and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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namespace MobiusEditor.Controls
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{
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public partial class MenuButton : Button
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{
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public const int DefaultSplitWidth = 20;
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[DefaultValue(null), Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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public ContextMenuStrip Menu { get; set; }
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[DefaultValue(DefaultSplitWidth), Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
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public int SplitWidth { get; set; } = DefaultSplitWidth;
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public MenuButton()
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{
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InitializeComponent();
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}
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protected override void OnMouseDown(MouseEventArgs mevent)
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{
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var splitRect = new Rectangle(Width - SplitWidth, 0, SplitWidth, Height);
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if ((Menu != null) && (mevent.Button == MouseButtons.Left) && splitRect.Contains(mevent.Location))
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{
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Menu.Show(this, 0, Height);
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}
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else
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{
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base.OnMouseDown(mevent);
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}
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}
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protected override void OnPaint(PaintEventArgs pevent)
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{
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base.OnPaint(pevent);
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if ((Menu != null) && (SplitWidth > 0))
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{
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int arrowX = ClientRectangle.Width - 14;
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int arrowY = ClientRectangle.Height / 2 - 1;
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var arrowBrush = Enabled ? SystemBrushes.ControlText : SystemBrushes.ButtonShadow;
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var arrows = new[] { new Point(arrowX, arrowY), new Point(arrowX + 7, arrowY), new Point(arrowX + 3, arrowY + 4) };
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pevent.Graphics.FillPolygon(arrowBrush, arrows);
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int lineX = ClientRectangle.Width - SplitWidth;
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int lineYFrom = arrowY - 4;
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int lineYTo = arrowY + 8;
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using (var separatorPen = new Pen(Brushes.DarkGray) { DashStyle = DashStyle.Dot })
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{
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pevent.Graphics.DrawLine(separatorPen, lineX, lineYFrom, lineX, lineYTo);
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}
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}
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}
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}
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}
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