mcs/class/Managed.Windows.Forms/System.Windows.Forms.Theming/ThemeElements.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining\r
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   7 // the following conditions:\r
   8 //\r
   9 // The above copyright notice and this permission notice shall be\r
  10 // included in all copies or substantial portions of the Software.\r
  11 //\r
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  19 //\r
  20 // Copyright (c) 2007 Novell, Inc.\r
  21 //\r
  22 // Authors:\r
  23 //      Jonathan Pobst (monkey@jpobst.com)\r
  24 //      Everaldo Canuto  <ecanuto@novell.com>
  25 \r
  26 using System;\r
  27 using System.Drawing;\r
  28 using System.Reflection;\r
  29 \r
  30 namespace System.Windows.Forms.Theming\r
  31 {\r
  32         internal class ThemeElements\r
  33         {\r
  34                 private static ThemeElementsDefault theme;\r
  35                 public static ThemeElementsDefault CurrentTheme {\r
  36                         get { return theme; }\r
  37                 }\r
  38 \r
  39                 static ThemeElements ()\r
  40                 {\r
  41                         string theme_var;\r
  42 \r
  43                         theme_var = Environment.GetEnvironmentVariable ("MONO_THEME");\r
  44 \r
  45                         if (theme_var == null)\r
  46                                 theme_var = "win32";\r
  47                         else\r
  48                                 theme_var = theme_var.ToLower ();\r
  49         \r
  50                         theme = LoadTheme (theme_var);\r
  51 \r
  52                 }\r
  53 \r
  54                 private static ThemeElementsDefault LoadTheme (string themeName) \r
  55                 {\r
  56                         if (themeName == "visualstyles")\r
  57                                 if (Application.VisualStylesEnabled)\r
  58                                         return new ThemeElementsVisualStyles ();\r
  59                                 else\r
  60                                         return new ThemeElementsDefault ();\r
  61                         Assembly ass = Assembly.GetExecutingAssembly ();\r
  62                         string iname = typeof(ThemeElements).FullName;\r
  63                         string assemblyname = iname + themeName;\r
  64                         Type type = ass.GetType (assemblyname, false, true);\r
  65                         if (type != null) {\r
  66                                 object o = ass.CreateInstance (type.FullName);\r
  67                                 if (o != null)\r
  68                                         return (ThemeElementsDefault) o;\r
  69                         }\r
  70                         return new ThemeElementsDefault ();\r
  71                 }\r
  72 \r
  73                 #region Buttons\r
  74                 public static void DrawButton (Graphics g, Rectangle bounds, ButtonThemeState state, Color backColor, Color foreColor)\r
  75                 {\r
  76                         theme.ButtonPainter.Draw (g, bounds, state, backColor, foreColor);\r
  77                 }\r
  78 \r
  79                 public static void DrawFlatButton (Graphics g, Rectangle bounds, ButtonThemeState state, Color backColor, Color foreColor, FlatButtonAppearance appearance)\r
  80                 {\r
  81                         theme.ButtonPainter.DrawFlat (g, bounds, state, backColor, foreColor, appearance);\r
  82                 }\r
  83 \r
  84                 public static void DrawPopupButton (Graphics g, Rectangle bounds, ButtonThemeState state, Color backColor, Color foreColor)\r
  85                 {\r
  86                         theme.ButtonPainter.DrawPopup (g, bounds, state, backColor, foreColor);\r
  87                 }\r
  88                 #endregion
  89
  90                 #region Painters
  91
  92                 public virtual Default.ButtonPainter ButtonPainter {\r
  93                         get { return theme.ButtonPainter; }\r
  94                 }\r
  95
  96                 public static Default.LabelPainter LabelPainter {
  97                         get { return theme.LabelPainter; }
  98                 }\r
  99
 100                 public static Default.LinkLabelPainter LinkLabelPainter {
 101                         get { return theme.LinkLabelPainter; }
 102                 }\r
 103
 104                 public virtual Default.TabControlPainter TabControlPainter {\r
 105                         get { return theme.TabControlPainter; }\r
 106                 }\r
 107
 108 #if NET_2_0\r
 109                 public virtual Default.CheckBoxPainter CheckBoxPainter {\r
 110                         get { return theme.CheckBoxPainter; }\r
 111                 }\r
 112 \r
 113                 public virtual Default.RadioButtonPainter RadioButtonPainter {\r
 114                         get { return theme.RadioButtonPainter; }\r
 115                 }\r
 116
 117                 public virtual Default.ToolStripPainter ToolStripPainter {\r
 118                         get { return theme.ToolStripPainter; }\r
 119                 }\r
 120 #endif\r
 121
 122                 #endregion\r
 123         }\r
 124 \r
 125         #region Internal Enums\r
 126         [Flags]\r
 127         internal enum ButtonThemeState\r
 128         {\r
 129                 Normal = 1,\r
 130                 Entered = 2,\r
 131                 Pressed = 4,\r
 132                 Disabled = 8,\r
 133                 Default = 16\r
 134         }\r
 135 \r
 136         internal enum ElementState\r
 137         {\r
 138                 Normal = 1,\r
 139                 Hot = 2,\r
 140                 Pressed = 3,\r
 141                 Disabled = 4\r
 142         }\r
 143         #endregion\r
 144 }