CnC_Remastered_Collection

Command and Conquer: Red Alert
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MenuButton.cs (2993B)

      1 //
      2 // Copyright 2020 Electronic Arts Inc.
      3 //
      4 // The Command & Conquer Map Editor and corresponding source code is free 
      5 // software: you can redistribute it and/or modify it under the terms of 
      6 // the GNU General Public License as published by the Free Software Foundation, 
      7 // either version 3 of the License, or (at your option) any later version.
      8 
      9 // The Command & Conquer Map Editor and corresponding source code is distributed 
     10 // in the hope that it will be useful, but with permitted additional restrictions 
     11 // under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT 
     12 // distributed with this program. You should have received a copy of the 
     13 // GNU General Public License along with permitted additional restrictions 
     14 // with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
     15 using System.ComponentModel;
     16 using System.Drawing;
     17 using System.Drawing.Drawing2D;
     18 using System.Windows.Forms;
     19 
     20 namespace MobiusEditor.Controls
     21 {
     22     public partial class MenuButton : Button
     23     {
     24         public const int DefaultSplitWidth = 20;
     25 
     26         [DefaultValue(null), Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     27         public ContextMenuStrip Menu { get; set; }
     28 
     29         [DefaultValue(DefaultSplitWidth), Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
     30         public int SplitWidth { get; set; } = DefaultSplitWidth;
     31 
     32         public MenuButton()
     33         {
     34             InitializeComponent();
     35         }
     36 
     37         protected override void OnMouseDown(MouseEventArgs mevent)
     38         {
     39             var splitRect = new Rectangle(Width - SplitWidth, 0, SplitWidth, Height);
     40 
     41             if ((Menu != null) && (mevent.Button == MouseButtons.Left) && splitRect.Contains(mevent.Location))
     42             {
     43                 Menu.Show(this, 0, Height);
     44             }
     45             else
     46             {
     47                 base.OnMouseDown(mevent);
     48             }
     49         }
     50 
     51         protected override void OnPaint(PaintEventArgs pevent)
     52         {
     53             base.OnPaint(pevent);
     54 
     55             if ((Menu != null) && (SplitWidth > 0))
     56             {
     57                 int arrowX = ClientRectangle.Width - 14;
     58                 int arrowY = ClientRectangle.Height / 2 - 1;
     59 
     60                 var arrowBrush = Enabled ? SystemBrushes.ControlText : SystemBrushes.ButtonShadow;
     61                 var arrows = new[] { new Point(arrowX, arrowY), new Point(arrowX + 7, arrowY), new Point(arrowX + 3, arrowY + 4) };
     62                 pevent.Graphics.FillPolygon(arrowBrush, arrows);
     63 
     64                 int lineX = ClientRectangle.Width - SplitWidth;
     65                 int lineYFrom = arrowY - 4;
     66                 int lineYTo = arrowY + 8;
     67                 using (var separatorPen = new Pen(Brushes.DarkGray) { DashStyle = DashStyle.Dot })
     68                 {
     69                     pevent.Graphics.DrawLine(separatorPen, lineX, lineYFrom, lineX, lineYTo);
     70                 }
     71             }
     72         }
     73     }
     74 }