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

   1 //\r
   2 // ToolStripLabel.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 Jonathan Pobst\r
  24 //\r
  25 // Authors:\r
  26 //      Jonathan Pobst (monkey@jpobst.com)\r
  27 //\r
  28 #if NET_2_0\r
  29 \r
  30 using System.Drawing;\r
  31 \r
  32 namespace System.Windows.Forms\r
  33 {\r
  34         public class ToolStripLabel : ToolStripItem\r
  35         {\r
  36                 private Color active_link_color;\r
  37                 private bool is_link;\r
  38                 private LinkBehavior link_behavior;\r
  39                 private Color link_color;\r
  40                 private bool link_visited;\r
  41                 private Color visited_link_color;\r
  42 \r
  43                 #region Public Constructors\r
  44                 public ToolStripLabel ()\r
  45                         : this (String.Empty, null, false, null, String.Empty)\r
  46                 {\r
  47                 }\r
  48 \r
  49                 public ToolStripLabel (Image image)\r
  50                         : this (String.Empty, image, false, null, String.Empty)\r
  51                 {\r
  52                 }\r
  53 \r
  54                 public ToolStripLabel (string text)\r
  55                         : this (text, null, false, null, String.Empty)\r
  56                 {\r
  57                 }\r
  58 \r
  59                 public ToolStripLabel (string text, Image image)\r
  60                         : this (text, image, false, null, String.Empty)\r
  61                 {\r
  62                 }\r
  63 \r
  64                 public ToolStripLabel (string text, Image image, bool isLink)\r
  65                         : this (text, image, isLink, null, String.Empty)\r
  66                 {\r
  67                 }\r
  68 \r
  69                 public ToolStripLabel (string text, Image image, bool isLink, EventHandler onClick)\r
  70                         : this (text, image, isLink, onClick, String.Empty)\r
  71                 {\r
  72                 }\r
  73 \r
  74                 public ToolStripLabel (string text, Image image, bool isLink, EventHandler onClick, string name)\r
  75                         : base (text, image, onClick, name)\r
  76                 {\r
  77                         this.active_link_color = Color.Red;\r
  78                         this.is_link = isLink;\r
  79                         this.link_behavior = LinkBehavior.SystemDefault;\r
  80                         this.link_color = Color.Blue;\r
  81                         this.link_visited = false;\r
  82                         this.visited_link_color = Color.Purple;\r
  83                 }\r
  84                 #endregion\r
  85 \r
  86                 #region Public Properties\r
  87                 public Color ActiveLinkColor {\r
  88                         get { return this.active_link_color; }\r
  89                         set {\r
  90                                 this.active_link_color = value; \r
  91                                 this.Invalidate ();\r
  92                         }\r
  93                 }\r
  94 \r
  95                 public override bool CanSelect { get { return false; } }\r
  96                 \r
  97                 public bool IsLink {\r
  98                         get { return this.is_link; }\r
  99                         set {\r
 100                                 this.is_link = value; \r
 101                                 this.Invalidate ();\r
 102                         }\r
 103                 }\r
 104 \r
 105                 public LinkBehavior LinkBehavior {\r
 106                         get { return this.link_behavior; }\r
 107                         set {\r
 108                                 this.link_behavior = value; \r
 109                                 this.Invalidate ();\r
 110                         }\r
 111                 }\r
 112 \r
 113                 public Color LinkColor {\r
 114                         get { return this.link_color; }\r
 115                         set {\r
 116                                 this.link_color = value; \r
 117                                 this.Invalidate ();\r
 118                         }\r
 119                 }\r
 120 \r
 121                 public bool LinkVisited {\r
 122                         get { return this.link_visited; }\r
 123                         set {\r
 124                                 this.link_visited = value; \r
 125                                 this.Invalidate ();\r
 126                         }\r
 127                 }\r
 128 \r
 129                 public Color VisitedLinkColor\r
 130                 {\r
 131                         get { return this.visited_link_color; }\r
 132                         set {\r
 133                                 this.visited_link_color = value; \r
 134                                 this.Invalidate ();\r
 135                         }\r
 136                 }\r
 137                 #endregion\r
 138 \r
 139                 #region Protected Methods\r
 140                 protected override void OnFontChanged (EventArgs e)\r
 141                 {\r
 142                         base.OnFontChanged (e);\r
 143                 }\r
 144 \r
 145                 protected override void OnMouseEnter (EventArgs e)\r
 146                 {\r
 147                         base.OnMouseEnter (e);\r
 148                 }\r
 149 \r
 150                 protected override void OnMouseLeave (EventArgs e)\r
 151                 {\r
 152                         base.OnMouseLeave (e);\r
 153                 }\r
 154                 \r
 155                 protected override void OnPaint (System.Windows.Forms.PaintEventArgs e)\r
 156                 {\r
 157                         base.OnPaint (e);\r
 158 \r
 159                         if (this.Owner != null) {\r
 160                                 Color font_color = this.Enabled ? this.ForeColor : SystemColors.GrayText;\r
 161                                 Image draw_image = this.Enabled ? this.Image : ToolStripRenderer.CreateDisabledImage (this.Image);\r
 162 \r
 163                                 this.Owner.Renderer.DrawLabelBackground (new System.Windows.Forms.ToolStripItemRenderEventArgs (e.Graphics, this));\r
 164 \r
 165                                 Rectangle text_layout_rect;\r
 166                                 Rectangle image_layout_rect;\r
 167 \r
 168                                 this.CalculateTextAndImageRectangles (out text_layout_rect, out image_layout_rect);\r
 169 \r
 170                                 if (image_layout_rect != Rectangle.Empty)\r
 171                                         this.Owner.Renderer.DrawItemImage (new System.Windows.Forms.ToolStripItemImageRenderEventArgs (e.Graphics, this, draw_image, image_layout_rect));\r
 172                                 if (text_layout_rect != Rectangle.Empty)\r
 173                                         if (this.is_link) {\r
 174                                                 if (this.Pressed)               // Mouse Down\r
 175                                                 {\r
 176                                                         switch (this.link_behavior) {\r
 177                                                                 case LinkBehavior.SystemDefault:\r
 178                                                                 case LinkBehavior.AlwaysUnderline:\r
 179                                                                 case LinkBehavior.HoverUnderline:\r
 180                                                                         this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.active_link_color, new Font (this.Font, FontStyle.Underline), this.TextAlign));\r
 181                                                                         break;\r
 182                                                                 case LinkBehavior.NeverUnderline:\r
 183                                                                         this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.active_link_color, this.Font, this.TextAlign));\r
 184                                                                         break;\r
 185                                                         }\r
 186                                                 }\r
 187                                                 else if (this.Selected)         // Hover\r
 188                                                 {\r
 189                                                         switch (this.link_behavior) {\r
 190                                                                 case LinkBehavior.SystemDefault:\r
 191                                                                 case LinkBehavior.AlwaysUnderline:\r
 192                                                                 case LinkBehavior.HoverUnderline:\r
 193                                                                         this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.link_color, new Font (this.Font, FontStyle.Underline), this.TextAlign));\r
 194                                                                         break;\r
 195                                                                 case LinkBehavior.NeverUnderline:\r
 196                                                                         this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.link_color, this.Font, this.TextAlign));\r
 197                                                                         break;\r
 198                                                         }\r
 199                                                 }\r
 200                                                 else {\r
 201 \r
 202                                                         if (this.link_visited)          // Normal, Visited\r
 203                                                         {\r
 204                                                                 switch (this.link_behavior) {\r
 205                                                                         case LinkBehavior.SystemDefault:\r
 206                                                                         case LinkBehavior.AlwaysUnderline:\r
 207                                                                                 this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.visited_link_color, new Font (this.Font, FontStyle.Underline), this.TextAlign));\r
 208                                                                                 break;\r
 209                                                                         case LinkBehavior.NeverUnderline:\r
 210                                                                         case LinkBehavior.HoverUnderline:\r
 211                                                                                 this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.visited_link_color, this.Font, this.TextAlign));\r
 212                                                                                 break;\r
 213                                                                 }\r
 214                                                         }\r
 215                                                         else                            // Normal\r
 216                                                         {\r
 217                                                                 switch (this.link_behavior) {\r
 218                                                                         case LinkBehavior.SystemDefault:\r
 219                                                                         case LinkBehavior.AlwaysUnderline:\r
 220                                                                                 this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.link_color, new Font (this.Font, FontStyle.Underline), this.TextAlign));\r
 221                                                                                 break;\r
 222                                                                         case LinkBehavior.NeverUnderline:\r
 223                                                                         case LinkBehavior.HoverUnderline:\r
 224                                                                                 this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, this.link_color, this.Font, this.TextAlign));\r
 225                                                                                 break;\r
 226                                                                 }\r
 227 \r
 228                                                         }\r
 229                                                 }\r
 230                                         } else\r
 231                                                 this.Owner.Renderer.DrawItemText (new System.Windows.Forms.ToolStripItemTextRenderEventArgs (e.Graphics, this, this.Text, text_layout_rect, font_color, this.Font, this.TextAlign));\r
 232                         }\r
 233                 }\r
 234                 #endregion\r
 235         }\r
 236 }\r
 237 #endif