mcs/class/Managed.Windows.Forms/System.Windows.Forms.VisualStyles/VisualStyleInformation.cs

   1 //
   2 // VisualStyleInformation.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
  32 namespace System.Windows.Forms.VisualStyles
  33 {
  34         public static class VisualStyleInformation
  35         {
  36                 #region Public Static Properties
  37                 public static string Author {
  38                         get {
  39                                 if (!VisualStyleRenderer.IsSupported)
  40                                         return string.Empty;
  41
  42                                 return GetData ("AUTHOR");
  43                         }
  44                 }
  45
  46                 public static string ColorScheme {
  47                         get {
  48                                 if (!VisualStyleRenderer.IsSupported)
  49                                         return string.Empty;
  50
  51                                 Text.StringBuilder ThemeName = new Text.StringBuilder (260);
  52                                 Text.StringBuilder ColorName = new Text.StringBuilder (260);
  53                                 Text.StringBuilder SizeName = new Text.StringBuilder (260);
  54                                 UXTheme.GetCurrentThemeName (ThemeName, ThemeName.Capacity, ColorName, ColorName.Capacity, SizeName, SizeName.Capacity);
  55
  56                                 return ColorName.ToString ();
  57                         }
  58                 }
  59
  60                 public static string Company {
  61                         get {
  62                                 if (!VisualStyleRenderer.IsSupported)
  63                                         return string.Empty;
  64
  65                                 return GetData ("COMPANY");
  66                         }
  67                 }
  68
  69                 [MonoTODO(@"Cannot get this to return the same as MS's...")]
  70                 public static Color ControlHighlightHot {
  71                         get {
  72                                 if (!VisualStyleRenderer.IsSupported)
  73                                         return SystemColors.ButtonHighlight;
  74
  75                                 IntPtr theme = UXTheme.OpenThemeData (IntPtr.Zero, "BUTTON");
  76
  77                                 uint retval = UXTheme.GetThemeSysColor (theme, 1621);
  78                                 UXTheme.CloseThemeData (theme);
  79
  80                                 return System.Drawing.Color.FromArgb ((int)(0x000000FFU & retval),
  81                                         (int)(0x0000FF00U & retval) >> 8, (int)(0x00FF0000U & retval) >> 16);
  82                         }
  83                 }
  84
  85                 public static string Copyright {
  86                         get {
  87                                 if (!VisualStyleRenderer.IsSupported)
  88                                         return string.Empty;
  89
  90                                 return GetData ("COPYRIGHT");
  91                         }
  92                 }
  93
  94                 public static string Description {
  95                         get {
  96                                 if (!VisualStyleRenderer.IsSupported)
  97                                         return string.Empty;
  98
  99                                 return GetData ("DESCRIPTION");
 100                         }
 101                 }
 102
 103                 public static string DisplayName {
 104                         get {
 105                                 if (!VisualStyleRenderer.IsSupported)
 106                                         return string.Empty;
 107
 108                                 return GetData ("DISPLAYNAME");
 109                         }
 110                 }
 111
 112                 public static bool IsEnabledByUser {
 113                         get {
 114                                 if (!VisualStyleInformation.IsSupportedByOS)
 115                                         return false;
 116
 117                                 return (UXTheme.IsAppThemed () && UXTheme.IsThemeActive ());
 118                         }
 119                 }
 120
 121                 public static bool IsSupportedByOS {
 122                         get {
 123                                 // Supported OS's should be NT based and at least XP (XP, 2003, Vista)
 124                                 if ((Environment.OSVersion.Platform == PlatformID.Win32NT) && (Environment.OSVersion.Version >= new Version (5, 1)))
 125                                         return true;
 126
 127                                 return false;
 128                         }
 129                 }
 130
 131                 public static int MinimumColorDepth {
 132                         get {
 133                                 if (!VisualStyleRenderer.IsSupported)
 134                                         return 0;
 135
 136                                 IntPtr theme = UXTheme.OpenThemeData (IntPtr.Zero, "BUTTON");
 137                                 int retval;
 138
 139                                 UXTheme.GetThemeSysInt (theme, 1301, out retval);
 140                                 UXTheme.CloseThemeData (theme);
 141
 142                                 return retval;
 143                         }
 144                 }
 145
 146                 public static string Size {
 147                         get {
 148                                 if (!VisualStyleRenderer.IsSupported)
 149                                         return string.Empty;
 150
 151                                 Text.StringBuilder ThemeName = new Text.StringBuilder (260);
 152                                 Text.StringBuilder ColorName = new Text.StringBuilder (260);
 153                                 Text.StringBuilder SizeName = new Text.StringBuilder (260);
 154                                 UXTheme.GetCurrentThemeName (ThemeName, ThemeName.Capacity, ColorName, ColorName.Capacity, SizeName, SizeName.Capacity);
 155
 156                                 return SizeName.ToString ();
 157                         }
 158                 }
 159
 160                 public static bool SupportsFlatMenus {
 161                         get {
 162                                 if (!VisualStyleRenderer.IsSupported)
 163                                         return false;
 164
 165                                 IntPtr theme = UXTheme.OpenThemeData (IntPtr.Zero, "BUTTON");
 166                                 bool retval;
 167
 168                                 retval = UXTheme.GetThemeSysBool (theme, 1001) == 0 ? false : true;
 169                                 UXTheme.CloseThemeData (theme);
 170
 171                                 return retval;
 172                         }
 173                 }
 174
 175                 [MonoTODO(@"Cannot get this to return the same as MS's...")]
 176                 public static Color TextControlBorder {
 177                         get {
 178                                 if (!VisualStyleRenderer.IsSupported)
 179                                         return SystemColors.ControlDarkDark;
 180
 181                                 IntPtr theme = UXTheme.OpenThemeData (IntPtr.Zero, "EDIT");
 182
 183                                 uint retval = UXTheme.GetThemeSysColor (theme, 1611);
 184                                 UXTheme.CloseThemeData (theme);
 185
 186                                 return System.Drawing.Color.FromArgb ((int)(0x000000FFU & retval),
 187                                                      (int)(0x0000FF00U & retval) >> 8, (int)(0x00FF0000U & retval) >> 16);
 188                         }
 189                 }
 190
 191                 public static string Url {
 192                         get {
 193                                 if (!VisualStyleRenderer.IsSupported)
 194                                         return string.Empty;
 195
 196                                 return GetData ("URL");
 197                         }
 198                 }
 199
 200                 public static string Version {
 201                         get {
 202                                 if (!VisualStyleRenderer.IsSupported)
 203                                         return string.Empty;
 204
 205                                 return GetData ("VERSION");
 206                         }
 207                 }
 208                 #endregion
 209
 210                 #region Internal Helper Methods
 211                 internal static string GetData (string propertyName)
 212                 {
 213                         Text.StringBuilder ThemeName = new Text.StringBuilder (260);
 214                         Text.StringBuilder ColorName = new Text.StringBuilder (260);
 215                         Text.StringBuilder SizeName = new Text.StringBuilder (260);
 216
 217                         UXTheme.GetCurrentThemeName (ThemeName, ThemeName.Capacity, ColorName, ColorName.Capacity, SizeName, SizeName.Capacity);
 218
 219                         Text.StringBuilder PropertyValue = new Text.StringBuilder (260);
 220
 221                         UXTheme.GetThemeDocumentationProperty (ThemeName.ToString(), propertyName, PropertyValue, PropertyValue.Capacity);
 222
 223                         return PropertyValue.ToString ();
 224                 }
 225                 #endregion
 226         }
 227 }
 228 #endif