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source: trunk/sources/HeuristicLab.Visualization/CanvasUI.cs @ 762

Last change on this file since 762 was 725, checked in by bspisic, 16 years ago

#319

MouseEventListener implemented
dragDrop MouseEventListener example implemented

File size: 1.3 KB
Line 
1using System;
2using System.Diagnostics;
3using System.Drawing;
4using System.Windows.Forms;
5
6namespace HeuristicLab.Visualization {
7  public partial class CanvasUI : Control {
8    private readonly Canvas mainCanvas = new Canvas();
9    private MouseEventListener mouseEventListener;
10
11    public CanvasUI() {
12      InitializeComponent();
13    }
14
15    public Canvas MainCanvas {
16      get { return mainCanvas; }
17    }
18
19    public MouseEventListener MouseEventListener {
20      get { return mouseEventListener; }
21      set { mouseEventListener = value; }
22    }
23
24    protected override void OnPaint(PaintEventArgs pe) {
25      try {
26        Graphics g = pe.Graphics;
27
28        g.FillRectangle(Brushes.White, ClientRectangle);
29
30        mainCanvas.Draw(g, ClientRectangle);
31
32        g.DrawRectangle(Pens.Black, 0, 0, Width - 1, Height - 1);
33
34        base.OnPaint(pe);
35      } catch (Exception e) {
36       Debug.WriteLine(e);
37      }
38    }
39
40    private void CanvasUI_MouseMove(object sender, MouseEventArgs e) {
41      if (mouseEventListener != null) {
42        mouseEventListener.MouseMove(e.Location);
43      }
44    }
45
46    private void CanvasUI_MouseUp(object sender, MouseEventArgs e) {
47      if (mouseEventListener != null) {
48        mouseEventListener.MouseUp(e.Location);
49      }
50    }
51  }
52}
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