mcs/class/Managed.Windows.Forms/System.Windows.Forms/ProgressBarRenderer.cs

   1 //
   2 // ProgressBarRenderer.cs
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 // Copyright (c) 2006 Novell, Inc.
  24 //
  25 // Authors:
  26 //      Jonathan Pobst (monkey@jpobst.com)
  27 //
  28
  29 #if NET_2_0
  30 using System.Drawing;
  31 using System.Windows.Forms.VisualStyles;
  32
  33 namespace System.Windows.Forms
  34 {
  35         public sealed class ProgressBarRenderer
  36         {
  37                 #region Private Constructor
  38                 private ProgressBarRenderer () { }
  39                 #endregion
  40
  41                 #region Public Static Methods
  42                 public static void DrawHorizontalBar (Graphics g, Rectangle bounds)
  43                 {
  44                         if (!IsSupported)
  45                                 throw new InvalidOperationException ();
  46
  47                         VisualStyleRenderer vsr = new VisualStyleRenderer(VisualStyleElement.ProgressBar.Bar.Normal);
  48
  49                         vsr.DrawBackground(g, bounds);
  50                 }
  51
  52                 public static void DrawHorizontalChunks (Graphics g, Rectangle bounds)
  53                 {
  54                         if (!IsSupported)
  55                                 throw new InvalidOperationException ();
  56
  57                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.Chunk.Normal);
  58
  59                         vsr.DrawBackground (g, bounds);
  60                 }
  61
  62                 public static void DrawVerticalBar (Graphics g, Rectangle bounds)
  63                 {
  64                         if (!IsSupported)
  65                                 throw new InvalidOperationException ();
  66
  67                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.BarVertical.Normal);
  68
  69                         vsr.DrawBackground (g, bounds);
  70                 }
  71
  72                 public static void DrawVerticalChunks (Graphics g, Rectangle bounds)
  73                 {
  74                         if (!IsSupported)
  75                                 throw new InvalidOperationException ();
  76
  77                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.ChunkVertical.Normal);
  78
  79                         vsr.DrawBackground (g, bounds);
  80                 }
  81                 #endregion
  82
  83                 #region Public Static Properties
  84                 public static bool IsSupported {
  85                         get { return VisualStyleInformation.IsEnabledByUser && (Application.VisualStyleState == VisualStyleState.ClientAndNonClientAreasEnabled || Application.VisualStyleState == VisualStyleState.ClientAreaEnabled); }
  86                 }
  87
  88                 public static int ChunkSpaceThickness {
  89                         get {
  90                                 if (!IsSupported)
  91                                         throw new InvalidOperationException();
  92
  93                                 VisualStyleRenderer vsr = new VisualStyleRenderer(VisualStyleElement.ProgressBar.Chunk.Normal);
  94
  95                                 return vsr.GetInteger(IntegerProperty.ProgressSpaceSize);
  96                         }
  97                 }
  98
  99                 public static int ChunkThickness {
 100                         get {
 101                                 if (!IsSupported)
 102                                         throw new InvalidOperationException ();
 103
 104                                 VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.Chunk.Normal);
 105
 106                                 return vsr.GetInteger (IntegerProperty.ProgressChunkSize);
 107                         }
 108                 }
 109                 #endregion
 110         }
 111 }
 112 #endif