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 using System.Drawing;
  30 using System.Windows.Forms.VisualStyles;
  31
  32 namespace System.Windows.Forms
  33 {
  34         public sealed class ProgressBarRenderer
  35         {
  36                 #region Private Constructor
  37                 private ProgressBarRenderer () { }
  38                 #endregion
  39
  40                 #region Public Static Methods
  41                 public static void DrawHorizontalBar (Graphics g, Rectangle bounds)
  42                 {
  43                         if (!IsSupported)
  44                                 throw new InvalidOperationException ();
  45
  46                         VisualStyleRenderer vsr = new VisualStyleRenderer(VisualStyleElement.ProgressBar.Bar.Normal);
  47
  48                         vsr.DrawBackground(g, bounds);
  49                 }
  50
  51                 public static void DrawHorizontalChunks (Graphics g, Rectangle bounds)
  52                 {
  53                         if (!IsSupported)
  54                                 throw new InvalidOperationException ();
  55
  56                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.Chunk.Normal);
  57
  58                         vsr.DrawBackground (g, bounds);
  59                 }
  60
  61                 public static void DrawVerticalBar (Graphics g, Rectangle bounds)
  62                 {
  63                         if (!IsSupported)
  64                                 throw new InvalidOperationException ();
  65
  66                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.BarVertical.Normal);
  67
  68                         vsr.DrawBackground (g, bounds);
  69                 }
  70
  71                 public static void DrawVerticalChunks (Graphics g, Rectangle bounds)
  72                 {
  73                         if (!IsSupported)
  74                                 throw new InvalidOperationException ();
  75
  76                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.ChunkVertical.Normal);
  77
  78                         vsr.DrawBackground (g, bounds);
  79                 }
  80                 #endregion
  81
  82                 #region Public Static Properties
  83                 public static bool IsSupported {
  84                         get { return VisualStyleInformation.IsEnabledByUser && (Application.VisualStyleState == VisualStyleState.ClientAndNonClientAreasEnabled || Application.VisualStyleState == VisualStyleState.ClientAreaEnabled); }
  85                 }
  86
  87                 public static int ChunkSpaceThickness {
  88                         get {
  89                                 if (!IsSupported)
  90                                         throw new InvalidOperationException();
  91
  92                                 VisualStyleRenderer vsr = new VisualStyleRenderer(VisualStyleElement.ProgressBar.Chunk.Normal);
  93
  94                                 return vsr.GetInteger(IntegerProperty.ProgressSpaceSize);
  95                         }
  96                 }
  97
  98                 public static int ChunkThickness {
  99                         get {
 100                                 if (!IsSupported)
 101                                         throw new InvalidOperationException ();
 102
 103                                 VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.ProgressBar.Chunk.Normal);
 104
 105                                 return vsr.GetInteger (IntegerProperty.ProgressChunkSize);
 106                         }
 107                 }
 108                 #endregion
 109         }
 110 }