mcs/class/Mono.Cairo/snippets/SnippetsSwf.cs

   1 using System;
   2 using Cairo;
   3 using System.Windows.Forms;
   4 using System.Drawing;
   5
   6 namespace Cairo.Snippets
   7 {
   8         class CairoSnippetsSwf
   9         {
  10                 int width = 400;
  11                 int height = 200;
  12
  13                 DrawingArea da;
  14
  15                 static void Main ()
  16                 {
  17                         new CairoSnippetsSwf ();
  18                         Application.Run ();
  19                 }
  20
  21                 CairoSnippetsSwf ()
  22                 {
  23                         Form f = new Form ();
  24                         f.ClientSize = new Size (width, height);
  25                         f.Closed += OnClosed;
  26
  27                         Splitter split = new Splitter ();
  28                         split.Dock = DockStyle.Left;
  29                         split.SplitPosition = width / 2;
  30                         ListView lv = new ListView ();
  31                         foreach (string s in Snippets.snippets)
  32                                 lv.Items.Add (new ListViewItem (s));
  33                         lv.Dock = DockStyle.Left;
  34                         lv.SelectedIndexChanged += OnSelected;
  35
  36                         da = new DrawingArea ();
  37                         da.Dock = DockStyle.Right;
  38                         f.Controls.AddRange (new Control[] {split, lv, da});
  39
  40                         f.Show ();
  41                 }
  42
  43                 void OnClosed (object sender, EventArgs e)
  44                 {
  45                         Application.Exit ();
  46                 }
  47
  48                 void OnSelected (object sender, EventArgs e)
  49                 {
  50                         ListView lv = sender as ListView;
  51                         if (lv.SelectedItems.Count > 0)
  52                                 da.Draw (lv.SelectedItems[0].Text, width / 2, height);
  53                 }
  54         }
  55
  56         public class DrawingArea : Panel
  57         {
  58                 string name = "arc";
  59                 Snippets snips = new Snippets ();
  60                 int w, h;
  61
  62                 public void Draw (string snippet, int width, int height)
  63                 {
  64                         name = snippet;
  65                         w = width;
  66                         h = height;
  67                         Invalidate ();
  68                 }
  69
  70                 protected override void OnPaint (PaintEventArgs e)
  71                 {
  72                         IntPtr hdc = e.Graphics.GetHdc ();
  73                         // will only work on win32
  74                         Win32Surface s = new Win32Surface (hdc);
  75                         Context cr = new Context (s);
  76                         Snippets.InvokeSnippet (snips, name, cr, w, h);
  77                         e.Graphics.ReleaseHdc (hdc);
  78                 }
  79         }
  80 }
  81