mcs/class/System.Drawing.Design/System.Drawing.Design/ColorEditor.cs

   1 //
   2 // System.Drawing.Design.ColorEditor.cs
   3 //
   4 // Authors:
   5 //  Martin Willemoes Hansen (mwh@sysrq.dk)\r
   6 //  Andreas Nahr (ClassDevelopment@A-SoftTech.com)\r
   7 //  Jonathan Chambers (joncham@gmail.com)
   8 //
   9 // (C) 2003 Martin Willemoes Hansen\r
  10 // (C) 2003 Andreas Nahr\r
  11 // (C) 2006 Jonathan Chambers
  12 //
  13
  14 //
  15 // Permission is hereby granted, free of charge, to any person obtaining
  16 // a copy of this software and associated documentation files (the
  17 // "Software"), to deal in the Software without restriction, including
  18 // without limitation the rights to use, copy, modify, merge, publish,
  19 // distribute, sublicense, and/or sell copies of the Software, and to
  20 // permit persons to whom the Software is furnished to do so, subject to
  21 // the following conditions:
  22 //
  23 // The above copyright notice and this permission notice shall be
  24 // included in all copies or substantial portions of the Software.
  25 //
  26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33 //
  34
  35 using System;
  36 using System.Drawing;
  37 using System.Drawing.Design;
  38 using System.ComponentModel;
  39 using System.Windows.Forms;
  40 using System.Windows.Forms.Design;
  41
  42 namespace System.Drawing.Design
  43 {
  44         public class ColorEditor : UITypeEditor
  45         {
  46                 private IWindowsFormsEditorService editorService;
  47                 private Color selected_color;
  48
  49                 public ColorEditor()
  50                 {
  51                 }
  52
  53                 public override object EditValue (ITypeDescriptorContext context,
  54                         IServiceProvider provider, object value)
  55                 {
  56                         if (context != null && provider != null) {
  57                                 editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
  58                                 if (editorService != null) {
  59                                         // Create the UI editor control
  60
  61                                         TabControl tab_control = new TabControl();
  62                                         tab_control.Dock = DockStyle.Fill;
  63                                         TabPage custom_tab = new TabPage("Custom");
  64                                         TabPage web_tab = new TabPage("Web");
  65                                         TabPage system_tab = new TabPage("System");
  66
  67                                         ColorListBox web_listbox = new ColorListBox();
  68                                         ColorListBox system_listbox = new ColorListBox();
  69                                         web_listbox.Dock = DockStyle.Fill;
  70                                         system_listbox.Dock = DockStyle.Fill;
  71
  72                                         web_tab.Controls.Add(web_listbox);
  73                                         system_tab.Controls.Add(system_listbox);
  74
  75                                         SystemColorCompare system_compare = new SystemColorCompare();
  76                                         System.Collections.ArrayList color_list = new System.Collections.ArrayList();
  77                                         foreach (System.Reflection.PropertyInfo property in typeof(SystemColors).GetProperties(System.Reflection.BindingFlags.Public |System.Reflection.BindingFlags.Static)) {
  78                                                 Color clr = (Color)property.GetValue(null,null);
  79                                                 color_list.Add(clr);
  80                                         }
  81                                         color_list.Sort(system_compare);
  82                                         system_listbox.Items.AddRange(color_list.ToArray());
  83                                         system_listbox.MouseUp+=new MouseEventHandler(HandleMouseUp);
  84                                         system_listbox.SelectedValueChanged+=new EventHandler(HandleChange);
  85
  86                                         WebColorCompare web_compare = new WebColorCompare();
  87                                         color_list = new System.Collections.ArrayList();
  88                                         foreach (KnownColor known_color in Enum.GetValues(typeof(KnownColor)))
  89                                         {
  90                                                 Color color = Color.FromKnownColor(known_color);
  91                                                 if (color.IsSystemColor)
  92                                                         continue;
  93                                                 color_list.Add(color);
  94                                         }
  95                                         color_list.Sort(web_compare);
  96                                         web_listbox.Items.AddRange(color_list.ToArray());
  97                                         web_listbox.MouseUp+=new MouseEventHandler(HandleMouseUp);
  98                                         web_listbox.SelectedValueChanged+=new EventHandler(HandleChange);\r
  99 \r
 100                                         CustomColorPicker custom_picker = new CustomColorPicker ();\r
 101                                         custom_picker.Dock = DockStyle.Fill;\r
 102                                         custom_picker.ColorChanged += new EventHandler (CustomColorPicked);\r
 103                                         custom_tab.Controls.Add (custom_picker);
 104
 105                                         tab_control.TabPages.Add(custom_tab);
 106                                         tab_control.TabPages.Add(web_tab);
 107                                         tab_control.TabPages.Add(system_tab);
 108
 109                                         Color current_color = (Color)value;
 110                                         if (current_color.IsSystemColor)
 111                                         {
 112                                                 system_listbox.SelectedValue = current_color;
 113                                                 tab_control.SelectedTab = system_tab;
 114                                         }
 115                                         else if (current_color.IsKnownColor)
 116                                         {
 117                                                 web_listbox.SelectedValue = current_color;
 118                                                 tab_control.SelectedTab = web_tab;
 119                                         }
 120
 121
 122                                         editorService.DropDownControl(tab_control);
 123                                         return selected_color;
 124                                 }
 125                         }
 126                         return base.EditValue(context, provider, value);
 127                 }
 128
 129                 private void HandleChange(object sender, EventArgs e)
 130                 {
 131                         selected_color = (Color)((ColorListBox)sender).Items[((ColorListBox)sender).SelectedIndex];
 132                 }\r
 133 \r
 134                 private void CustomColorPicked (object sender, EventArgs e)\r
 135                 {\r
 136                         selected_color = (Color)sender;\r
 137                         if (editorService != null)\r
 138                                 editorService.CloseDropDown ();\r
 139                 }
 140
 141                 private void HandleMouseUp(object sender, MouseEventArgs e)
 142                 {
 143                         if (editorService != null)
 144                                 editorService.CloseDropDown();
 145                 }
 146
 147                 public override UITypeEditorEditStyle GetEditStyle (ITypeDescriptorContext context)
 148                 {
 149                         return UITypeEditorEditStyle.DropDown;
 150                 }
 151
 152                 public override bool GetPaintValueSupported (ITypeDescriptorContext context)
 153                 {
 154                         return true;
 155                 }
 156
 157                 public override void PaintValue (PaintValueEventArgs e)
 158                 {
 159                         Graphics G = e.Graphics;
 160
 161                         if (e.Value != null)
 162                         {
 163                                 Color C = (Color) e.Value;
 164                                 using (SolidBrush sb = new SolidBrush (C))
 165                                         G.FillRectangle (sb, e.Bounds);
 166                         }
 167                 }
 168
 169                 class ColorListBox : ListBox {
 170                         public ColorListBox() {
 171                                 this.DrawMode = DrawMode.OwnerDrawFixed;
 172                                 this.Sorted = true;
 173                                 this.ItemHeight = 14;
 174                                 this.BorderStyle = BorderStyle.FixedSingle;
 175                         }
 176
 177                         protected override void OnDrawItem(DrawItemEventArgs e) {
 178                                 e.DrawBackground();
 179                                 Color color = (Color)this.Items[e.Index];
 180                                 using (System.Drawing.SolidBrush brush = new SolidBrush(color))
 181                                         e.Graphics.FillRectangle(brush, 2,e.Bounds.Top+2,21,9);
 182                                 e.Graphics.DrawRectangle(SystemPens.WindowText, 2,e.Bounds.Top+2,21,9);
 183                                 e.Graphics.DrawString(color.Name, this.Font, SystemBrushes.WindowText, 26,e.Bounds.Top);
 184                                 if ((e.State & DrawItemState.Selected) != 0)
 185                                         e.DrawFocusRectangle();
 186                                 base.OnDrawItem (e);
 187                         }
 188                 }
 189
 190                 class SystemColorCompare : System.Collections.IComparer {
 191                         #region IComparer Members
 192
 193                         public int Compare(object x, object y) {
 194                                 Color c1 = (Color)x;
 195                                 Color c2 = (Color)y;
 196                                 return String.Compare(c1.Name, c2.Name);
 197                         }
 198
 199                         #endregion
 200                 }
 201                 class WebColorCompare : System.Collections.IComparer
 202                 {
 203                         #region IComparer Members
 204
 205                         public int Compare(object x, object y)
 206                         {
 207                                 Color c1 = (Color)x;
 208                                 Color c2 = (Color)y;
 209                                 return String.Compare(c1.Name, c2.Name);
 210                         }
 211
 212                         #endregion
 213                 }\r
 214 \r
 215 \r
 216                 class CustomColorPicker : UserControl\r
 217                 {\r
 218                         Color[,] colors;\r
 219                         bool highlighting;\r
 220                         int x, y;\r
 221                         public CustomColorPicker ()\r
 222                         {\r
 223                                 colors = new Color[8, 8];\r
 224                                 colors[0, 0] = Color.White;\r
 225                                 colors[1, 0] = Color.FromArgb (224, 224, 224);\r
 226                                 colors[2, 0] = Color.Silver;\r
 227                                 colors[3, 0] = Color.Gray;\r
 228                                 colors[4, 0] = Color.FromArgb (64, 64, 64);\r
 229                                 colors[5, 0] = Color.Black;\r
 230                                 colors[6, 0] = Color.White;\r
 231                                 colors[7, 0] = Color.White;\r
 232 \r
 233                                 colors[0, 1] = Color.FromArgb (255, 192, 192);\r
 234                                 colors[1, 1] = Color.FromArgb (255, 128, 128);\r
 235                                 colors[2, 1] = Color.Red;\r
 236                                 colors[3, 1] = Color.FromArgb (192, 0, 0);\r
 237                                 colors[4, 1] = Color.Maroon;\r
 238                                 colors[5, 1] = Color.FromArgb (64, 0, 0);\r
 239                                 colors[6, 1] = Color.White;\r
 240                                 colors[7, 1] = Color.White;\r
 241 \r
 242                                 colors[0, 2] = Color.FromArgb (255, 224, 192);\r
 243                                 colors[1, 2] = Color.FromArgb (255, 192, 128);\r
 244                                 colors[2, 2] = Color.FromArgb (255, 128, 0);\r
 245                                 colors[3, 2] = Color.FromArgb (192, 64, 0);\r
 246                                 colors[4, 2] = Color.FromArgb (128, 64, 0);\r
 247                                 colors[5, 2] = Color.FromArgb (128, 64, 64);\r
 248                                 colors[6, 2] = Color.White;\r
 249                                 colors[7, 2] = Color.White;\r
 250 \r
 251                                 colors[0, 3] = Color.FromArgb (255, 255, 192);\r
 252                                 colors[1, 3] = Color.FromArgb (255, 255, 128);\r
 253                                 colors[2, 3] = Color.Yellow;\r
 254                                 colors[3, 3] = Color.FromArgb (192, 192, 0);\r
 255                                 colors[4, 3] = Color.Olive;\r
 256                                 colors[5, 3] = Color.FromArgb (64, 64, 0);\r
 257                                 colors[6, 3] = Color.White;\r
 258                                 colors[7, 3] = Color.White;\r
 259 \r
 260                                 colors[0, 4] = Color.FromArgb (192, 255, 192);\r
 261                                 colors[1, 4] = Color.FromArgb (128, 255, 128);\r
 262                                 colors[2, 4] = Color.Lime;\r
 263                                 colors[3, 4] = Color.FromArgb (0, 192, 0);\r
 264                                 colors[4, 4] = Color.Green;\r
 265                                 colors[5, 4] = Color.FromArgb (0, 64, 0);\r
 266                                 colors[6, 4] = Color.White;\r
 267                                 colors[7, 4] = Color.White;\r
 268 \r
 269                                 colors[0, 5] = Color.FromArgb (192, 255, 255);\r
 270                                 colors[1, 5] = Color.FromArgb (128, 255, 255);\r
 271                                 colors[2, 5] = Color.Cyan;\r
 272                                 colors[3, 5] = Color.FromArgb (0, 192, 192);\r
 273                                 colors[4, 5] = Color.Teal;\r
 274                                 colors[5, 5] = Color.FromArgb (0, 64, 64);\r
 275                                 colors[6, 5] = Color.White;\r
 276                                 colors[7, 5] = Color.White;\r
 277 \r
 278                                 colors[0, 6] = Color.FromArgb (192, 192, 255);\r
 279                                 colors[1, 6] = Color.FromArgb (128, 128, 255);\r
 280                                 colors[2, 6] = Color.Blue;\r
 281                                 colors[3, 6] = Color.FromArgb (0, 0, 192);\r
 282                                 colors[4, 6] = Color.Navy;\r
 283                                 colors[5, 6] = Color.FromArgb (0, 0, 64);\r
 284                                 colors[6, 6] = Color.White;\r
 285                                 colors[7, 6] = Color.White;\r
 286 \r
 287                                 colors[0, 7] = Color.FromArgb (255, 192, 255);\r
 288                                 colors[1, 7] = Color.FromArgb (255, 128, 255);\r
 289                                 colors[2, 7] = Color.Fuchsia;\r
 290                                 colors[3, 7] = Color.FromArgb (192, 0, 192);\r
 291                                 colors[4, 7] = Color.Purple;\r
 292                                 colors[5, 7] = Color.FromArgb (64, 0, 64);\r
 293                                 colors[6, 7] = Color.White;\r
 294                                 colors[7, 7] = Color.White;\r
 295                         }\r
 296 \r
 297                         public event EventHandler ColorChanged;\r
 298 \r
 299                         protected override void OnPaint (PaintEventArgs e)\r
 300                         {\r
 301                                 for (int i = 0; i < 8; i++)\r
 302                                         for (int j = 0; j < 8; j++) {\r
 303                                                 DrawRect (e.Graphics, colors[i, j], j * 24, i * 24);\r
 304                                         }\r
 305 \r
 306                                 if (highlighting) {\r
 307                                         int i = x / 24;\r
 308                                         int j = y / 24;\r
 309                                         ControlPaint.DrawFocusRectangle (e.Graphics, new Rectangle (i * 24 - 2, j * 24 - 2, 24, 24));\r
 310                                 }\r
 311 \r
 312                                 base.OnPaint (e);\r
 313                         }\r
 314 \r
 315                         void DrawRect (Graphics g, Color color, int x, int y)\r
 316                         {\r
 317                                 using (SolidBrush brush = new SolidBrush (color))\r
 318                                         g.FillRectangle (brush, x, y, 20, 20);\r
 319                                 ControlPaint.DrawBorder3D (g, x, y, 20, 20);\r
 320                         }\r
 321 \r
 322                         protected override void OnMouseDown (MouseEventArgs e)\r
 323                         {\r
 324                                 if (e.X % 24 < 20 && e.Y % 24 < 20) {\r
 325                                         x = e.X;\r
 326                                         y = e.Y;\r
 327                                         highlighting = true;\r
 328                                         Invalidate ();\r
 329                                 }\r
 330                                 base.OnMouseDown (e);\r
 331                         }\r
 332 \r
 333                         protected override void OnMouseUp (MouseEventArgs e)\r
 334                         {\r
 335                                 if (highlighting) {\r
 336                                         if (ColorChanged != null)\r
 337                                                 ColorChanged (colors[y / 24, x / 24], EventArgs.Empty);\r
 338                                         highlighting = false;\r
 339                                 }\r
 340                                 base.OnMouseUp (e);\r
 341                         }\r
 342 \r
 343                         protected override void OnMouseMove (MouseEventArgs e)\r
 344                         {\r
 345                                 if (highlighting) {\r
 346                                         int old_x = x;\r
 347                                         int old_y = y;\r
 348                                         x = e.X;\r
 349                                         y = e.Y;\r
 350                                         if ((old_x / 24 != x / 24 || old_y / 24 != y / 24) &&\r
 351                                                 x / 24 < 8 && y / 24 < 8) {\r
 352                                                 Region r = new Region ();\r
 353                                                 r.Union (new Rectangle (old_x - 2, old_y - 2, 24, 24));\r
 354                                                 r.Union (new Rectangle (x - 2, y - 2, 24, 24));\r
 355                                                 Invalidate (r);\r
 356                                         }\r
 357                                 }\r
 358                                 base.OnMouseMove (e);\r
 359                         }\r
 360                 }
 361         }
 362 }