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

   1 //\r
   2 // TabRenderer.cs\r
   3 //\r
   4 // Permission is hereby granted, free of charge, to any person obtaining\r
   5 // a copy of this software and associated documentation files (the\r
   6 // "Software"), to deal in the Software without restriction, including\r
   7 // without limitation the rights to use, copy, modify, merge, publish,\r
   8 // distribute, sublicense, and/or sell copies of the Software, and to\r
   9 // permit persons to whom the Software is furnished to do so, subject to\r
  10 // the following conditions:\r
  11 // \r
  12 // The above copyright notice and this permission notice shall be\r
  13 // included in all copies or substantial portions of the Software.\r
  14 // \r
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  22 //\r
  23 // Copyright (c) 2006 Novell, Inc.\r
  24 //\r
  25 // Authors:\r
  26 //      Jonathan Pobst (monkey@jpobst.com)\r
  27 //\r
  28 \r
  29 #if NET_2_0\r
  30 using System.Drawing;\r
  31 using System.Windows.Forms.VisualStyles;\r
  32 \r
  33 namespace System.Windows.Forms\r
  34 {\r
  35         public sealed class TabRenderer\r
  36         {\r
  37                 #region Private Constructor\r
  38                 private TabRenderer () { }\r
  39                 #endregion\r
  40 \r
  41                 #region Public Static Methods\r
  42                 public static void DrawTabItem (Graphics g, Rectangle bounds, TabItemState state)\r
  43                 {\r
  44                         DrawTabItem(g, bounds, String.Empty, null, TextFormatFlags.Default, null, Rectangle.Empty, false, state);\r
  45                 }\r
  46 \r
  47                 public static void DrawTabItem (Graphics g, Rectangle bounds, bool focused, TabItemState state)\r
  48                 {\r
  49                         DrawTabItem (g, bounds, String.Empty, null, TextFormatFlags.Default, null, Rectangle.Empty, focused, state);\r
  50                 }\r
  51                 \r
  52                 public static void DrawTabItem (Graphics g, Rectangle bounds, string tabItemText, Font font, TabItemState state)\r
  53                 {\r
  54                         DrawTabItem (g, bounds, tabItemText, font, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, false, state);\r
  55                 }\r
  56 \r
  57                 public static void DrawTabItem (Graphics g, Rectangle bounds, Image image, Rectangle imageRectangle, bool focused, TabItemState state)\r
  58                 {\r
  59                         DrawTabItem (g, bounds, String.Empty, null, TextFormatFlags.HorizontalCenter, image, imageRectangle, focused, state);\r
  60                 }\r
  61 \r
  62                 public static void DrawTabItem (Graphics g, Rectangle bounds, string tabItemText, Font font, bool focused, TabItemState state)\r
  63                 {\r
  64                         DrawTabItem (g, bounds, tabItemText, font, TextFormatFlags.HorizontalCenter, null, Rectangle.Empty, focused, state);\r
  65                 }\r
  66 \r
  67                 public static void DrawTabItem (Graphics g, Rectangle bounds, string tabItemText, Font font, TextFormatFlags flags, bool focused, TabItemState state)\r
  68                 {\r
  69                         DrawTabItem (g, bounds, tabItemText, font, flags, null, Rectangle.Empty, focused, state);\r
  70                 }\r
  71 \r
  72                 public static void DrawTabItem (Graphics g, Rectangle bounds, string tabItemText, Font font, Image image, Rectangle imageRectangle, bool focused, TabItemState state)\r
  73                 {\r
  74                         DrawTabItem (g, bounds, tabItemText, font, TextFormatFlags.HorizontalCenter, image, imageRectangle, focused, state);\r
  75                 }\r
  76 \r
  77                 public static void DrawTabItem (Graphics g, Rectangle bounds, string tabItemText, Font font, TextFormatFlags flags, Image image, Rectangle imageRectangle, bool focused, TabItemState state)\r
  78                 {\r
  79                         if (!IsSupported)\r
  80                                 throw new InvalidOperationException ();\r
  81                                 \r
  82                         VisualStyleRenderer vsr;\r
  83                         \r
  84                         switch (state) {\r
  85                                 case TabItemState.Disabled:\r
  86                                         vsr = new VisualStyleRenderer (VisualStyleElement.Tab.TabItem.Disabled);\r
  87                                         break;\r
  88                                 case TabItemState.Hot:\r
  89                                         vsr = new VisualStyleRenderer (VisualStyleElement.Tab.TabItem.Hot);\r
  90                                         break;\r
  91                                 case TabItemState.Normal:\r
  92                                 default:\r
  93                                         vsr = new VisualStyleRenderer (VisualStyleElement.Tab.TabItem.Normal);\r
  94                                         break;\r
  95                                 case TabItemState.Selected:\r
  96                                         vsr = new VisualStyleRenderer (VisualStyleElement.Tab.TabItem.Pressed);\r
  97                                         break;\r
  98                         }\r
  99 \r
 100                         vsr.DrawBackground (g, bounds);\r
 101                         \r
 102                         if(image != null)\r
 103                                 vsr.DrawImage(g, imageRectangle, image);\r
 104                                 \r
 105                         bounds.Offset(3,3);\r
 106                         bounds.Height -= 6;\r
 107                         bounds.Width -= 6;\r
 108                         \r
 109                         if(tabItemText != String.Empty)\r
 110                                 TextRenderer.DrawText(g, tabItemText, font, bounds, SystemColors.ControlText,flags);\r
 111                                 \r
 112                         if(focused)\r
 113                                 ControlPaint.DrawFocusRectangle(g, bounds);\r
 114                 }\r
 115 \r
 116                 public static void DrawTabPage (Graphics g, Rectangle bounds)\r
 117                 {\r
 118                         if (!IsSupported)\r
 119                                 throw new InvalidOperationException ();\r
 120 \r
 121                         VisualStyleRenderer vsr = new VisualStyleRenderer (VisualStyleElement.Tab.Pane.Normal); ;\r
 122 \r
 123                         vsr.DrawBackground (g, bounds);\r
 124                 }\r
 125                 #endregion\r
 126                 \r
 127                 #region Public Static Properties\r
 128                 public static bool IsSupported {\r
 129                         get { return VisualStyleInformation.IsEnabledByUser && (Application.VisualStyleState == VisualStyleState.ClientAndNonClientAreasEnabled || Application.VisualStyleState == VisualStyleState.ClientAreaEnabled); }\r
 130                 }\r
 131                 #endregion\r
 132         }\r
 133 }\r
 134 #endif