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                 private bool color_chosen;
  49
  50                 public ColorEditor()
  51                 {
  52                 }
  53
  54                 public override object EditValue (ITypeDescriptorContext context,
  55                         IServiceProvider provider, object value)
  56                 {
  57                         if (context != null && provider != null) {
  58                                 editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
  59                                 if (editorService != null) {
  60                                         // Create the UI editor control
  61
  62                                         TabControl tab_control = new TabControl();
  63                                         tab_control.Dock = DockStyle.Fill;
  64                                         TabPage custom_tab = new TabPage("Custom");
  65                                         TabPage web_tab = new TabPage("Web");
  66                                         TabPage system_tab = new TabPage("System");
  67
  68                                         ColorListBox web_listbox = new ColorListBox();
  69                                         ColorListBox system_listbox = new ColorListBox();
  70                                         web_listbox.Dock = DockStyle.Fill;
  71                                         system_listbox.Dock = DockStyle.Fill;
  72
  73                                         web_tab.Controls.Add(web_listbox);
  74                                         system_tab.Controls.Add(system_listbox);
  75
  76                                         SystemColorCompare system_compare = new SystemColorCompare();
  77                                         System.Collections.ArrayList color_list = new System.Collections.ArrayList();
  78                                         foreach (System.Reflection.PropertyInfo property in typeof(SystemColors).GetProperties(System.Reflection.BindingFlags.Public |System.Reflection.BindingFlags.Static)) {
  79                                                 Color clr = (Color)property.GetValue(null,null);
  80                                                 color_list.Add(clr);
  81                                         }
  82                                         color_list.Sort(system_compare);
  83                                         system_listbox.Items.AddRange(color_list.ToArray());
  84                                         system_listbox.MouseUp+=new MouseEventHandler(HandleMouseUp);
  85                                         system_listbox.SelectedValueChanged+=new EventHandler(HandleChange);
  86
  87                                         WebColorCompare web_compare = new WebColorCompare();
  88                                         color_list = new System.Collections.ArrayList();
  89                                         foreach (KnownColor known_color in Enum.GetValues(typeof(KnownColor)))
  90                                         {
  91                                                 Color color = Color.FromKnownColor(known_color);
  92                                                 if (color.IsSystemColor)
  93                                                         continue;
  94                                                 color_list.Add(color);
  95                                         }
  96                                         color_list.Sort(web_compare);
  97                                         web_listbox.Items.AddRange(color_list.ToArray());
  98                                         web_listbox.MouseUp+=new MouseEventHandler(HandleMouseUp);
  99                                         web_listbox.SelectedValueChanged+=new EventHandler(HandleChange);\r
 100
 101                                         CustomColorPicker custom_picker = new CustomColorPicker ();\r
 102                                         custom_picker.Dock = DockStyle.Fill;\r
 103                                         custom_picker.ColorChanged += new EventHandler (CustomColorPicked);\r
 104                                         custom_tab.Controls.Add (custom_picker);
 105
 106                                         tab_control.TabPages.Add(custom_tab);
 107                                         tab_control.TabPages.Add(web_tab);
 108                                         tab_control.TabPages.Add(system_tab);
 109
 110                                         if (value != null) {
 111                                                 Color current_color = (Color)value;
 112                                                 if (current_color.IsSystemColor)
 113                                                 {
 114                                                         system_listbox.SelectedValue = current_color;
 115                                                         tab_control.SelectedTab = system_tab;
 116                                                 }
 117                                                 else if (current_color.IsKnownColor)
 118                                                 {
 119                                                         web_listbox.SelectedValue = current_color;
 120                                                         tab_control.SelectedTab = web_tab;
 121                                                 }
 122                                                 selected_color = current_color;
 123                                                 color_chosen = true;
 124                                         }
 125
 126
 127                                         editorService.DropDownControl(tab_control);
 128                                         if (color_chosen) {
 129                                                 return selected_color;
 130                                         }
 131                                         else {
 132                                                 return null;
 133                                         }
 134                                 }
 135                         }
 136                         return base.EditValue(context, provider, value);
 137                 }
 138
 139                 private void HandleChange(object sender, EventArgs e)
 140                 {
 141                         selected_color = (Color)((ColorListBox)sender).Items[((ColorListBox)sender).SelectedIndex];
 142                         color_chosen = true;
 143                 }
 144
 145                 private void CustomColorPicked (object sender, EventArgs e)\r
 146                 {
 147                         selected_color = (Color)sender;
 148                         color_chosen = true;
 149                         if (editorService != null)
 150                                 editorService.CloseDropDown ();\r
 151                 }
 152
 153                 private void HandleMouseUp(object sender, MouseEventArgs e)
 154                 {
 155                         if (editorService != null)
 156                                 editorService.CloseDropDown();
 157                 }
 158
 159                 public override UITypeEditorEditStyle GetEditStyle (ITypeDescriptorContext context)
 160                 {
 161                         return UITypeEditorEditStyle.DropDown;
 162                 }
 163
 164                 public override bool GetPaintValueSupported (ITypeDescriptorContext context)
 165                 {
 166                         return true;
 167                 }
 168
 169                 public override void PaintValue (PaintValueEventArgs e)
 170                 {
 171                         Graphics G = e.Graphics;
 172
 173                         if (e.Value != null)
 174                         {
 175                                 Color C = (Color) e.Value;
 176                                 using (SolidBrush sb = new SolidBrush (C))
 177                                         G.FillRectangle (sb, e.Bounds);
 178                         }
 179                 }
 180
 181                 class ColorListBox : ListBox {
 182                         public ColorListBox() {
 183                                 this.DrawMode = DrawMode.OwnerDrawFixed;
 184                                 this.Sorted = true;
 185                                 this.ItemHeight = 14;
 186                                 this.BorderStyle = BorderStyle.FixedSingle;
 187                         }
 188
 189                         protected override void OnDrawItem(DrawItemEventArgs e) {
 190                                 e.DrawBackground();
 191                                 Color color = (Color)this.Items[e.Index];
 192                                 using (System.Drawing.SolidBrush brush = new SolidBrush(color))
 193                                         e.Graphics.FillRectangle(brush, 2,e.Bounds.Top+2,21,9);
 194                                 e.Graphics.DrawRectangle(SystemPens.WindowText, 2,e.Bounds.Top+2,21,9);
 195                                 e.Graphics.DrawString(color.Name, this.Font, SystemBrushes.WindowText, 26,e.Bounds.Top);
 196                                 if ((e.State & DrawItemState.Selected) != 0)
 197                                         e.DrawFocusRectangle();
 198                                 base.OnDrawItem (e);
 199                         }
 200                 }
 201
 202                 class SystemColorCompare : System.Collections.IComparer {
 203                         #region IComparer Members
 204
 205                         public int Compare(object x, object y) {
 206                                 Color c1 = (Color)x;
 207                                 Color c2 = (Color)y;
 208                                 return String.Compare(c1.Name, c2.Name);
 209                         }
 210
 211                         #endregion
 212                 }
 213                 class WebColorCompare : System.Collections.IComparer
 214                 {
 215                         #region IComparer Members
 216
 217                         public int Compare(object x, object y)
 218                         {
 219                                 Color c1 = (Color)x;
 220                                 Color c2 = (Color)y;
 221                                 return String.Compare(c1.Name, c2.Name);
 222                         }
 223
 224                         #endregion
 225                 }\r
 226 \r
 227 \r
 228                 class CustomColorPicker : UserControl\r
 229                 {\r
 230                         Color[,] colors;\r
 231                         bool highlighting;\r
 232                         int x, y;\r
 233                         public CustomColorPicker ()\r
 234                         {\r
 235                                 colors = new Color[8, 8];\r
 236                                 colors[0, 0] = Color.White;\r
 237                                 colors[1, 0] = Color.FromArgb (224, 224, 224);\r
 238                                 colors[2, 0] = Color.Silver;\r
 239                                 colors[3, 0] = Color.Gray;\r
 240                                 colors[4, 0] = Color.FromArgb (64, 64, 64);\r
 241                                 colors[5, 0] = Color.Black;\r
 242                                 colors[6, 0] = Color.White;\r
 243                                 colors[7, 0] = Color.White;\r
 244 \r
 245                                 colors[0, 1] = Color.FromArgb (255, 192, 192);\r
 246                                 colors[1, 1] = Color.FromArgb (255, 128, 128);\r
 247                                 colors[2, 1] = Color.Red;\r
 248                                 colors[3, 1] = Color.FromArgb (192, 0, 0);\r
 249                                 colors[4, 1] = Color.Maroon;\r
 250                                 colors[5, 1] = Color.FromArgb (64, 0, 0);\r
 251                                 colors[6, 1] = Color.White;\r
 252                                 colors[7, 1] = Color.White;\r
 253 \r
 254                                 colors[0, 2] = Color.FromArgb (255, 224, 192);\r
 255                                 colors[1, 2] = Color.FromArgb (255, 192, 128);\r
 256                                 colors[2, 2] = Color.FromArgb (255, 128, 0);\r
 257                                 colors[3, 2] = Color.FromArgb (192, 64, 0);\r
 258                                 colors[4, 2] = Color.FromArgb (128, 64, 0);\r
 259                                 colors[5, 2] = Color.FromArgb (128, 64, 64);\r
 260                                 colors[6, 2] = Color.White;\r
 261                                 colors[7, 2] = Color.White;\r
 262 \r
 263                                 colors[0, 3] = Color.FromArgb (255, 255, 192);\r
 264                                 colors[1, 3] = Color.FromArgb (255, 255, 128);\r
 265                                 colors[2, 3] = Color.Yellow;\r
 266                                 colors[3, 3] = Color.FromArgb (192, 192, 0);\r
 267                                 colors[4, 3] = Color.Olive;\r
 268                                 colors[5, 3] = Color.FromArgb (64, 64, 0);\r
 269                                 colors[6, 3] = Color.White;\r
 270                                 colors[7, 3] = Color.White;\r
 271 \r
 272                                 colors[0, 4] = Color.FromArgb (192, 255, 192);\r
 273                                 colors[1, 4] = Color.FromArgb (128, 255, 128);\r
 274                                 colors[2, 4] = Color.Lime;\r
 275                                 colors[3, 4] = Color.FromArgb (0, 192, 0);\r
 276                                 colors[4, 4] = Color.Green;\r
 277                                 colors[5, 4] = Color.FromArgb (0, 64, 0);\r
 278                                 colors[6, 4] = Color.White;\r
 279                                 colors[7, 4] = Color.White;\r
 280 \r
 281                                 colors[0, 5] = Color.FromArgb (192, 255, 255);\r
 282                                 colors[1, 5] = Color.FromArgb (128, 255, 255);\r
 283                                 colors[2, 5] = Color.Cyan;\r
 284                                 colors[3, 5] = Color.FromArgb (0, 192, 192);\r
 285                                 colors[4, 5] = Color.Teal;\r
 286                                 colors[5, 5] = Color.FromArgb (0, 64, 64);\r
 287                                 colors[6, 5] = Color.White;\r
 288                                 colors[7, 5] = Color.White;\r
 289 \r
 290                                 colors[0, 6] = Color.FromArgb (192, 192, 255);\r
 291                                 colors[1, 6] = Color.FromArgb (128, 128, 255);\r
 292                                 colors[2, 6] = Color.Blue;\r
 293                                 colors[3, 6] = Color.FromArgb (0, 0, 192);\r
 294                                 colors[4, 6] = Color.Navy;\r
 295                                 colors[5, 6] = Color.FromArgb (0, 0, 64);\r
 296                                 colors[6, 6] = Color.White;\r
 297                                 colors[7, 6] = Color.White;\r
 298 \r
 299                                 colors[0, 7] = Color.FromArgb (255, 192, 255);\r
 300                                 colors[1, 7] = Color.FromArgb (255, 128, 255);\r
 301                                 colors[2, 7] = Color.Fuchsia;\r
 302                                 colors[3, 7] = Color.FromArgb (192, 0, 192);\r
 303                                 colors[4, 7] = Color.Purple;\r
 304                                 colors[5, 7] = Color.FromArgb (64, 0, 64);\r
 305                                 colors[6, 7] = Color.White;\r
 306                                 colors[7, 7] = Color.White;\r
 307                         }\r
 308 \r
 309                         public event EventHandler ColorChanged;\r
 310 \r
 311                         protected override void OnPaint (PaintEventArgs e)\r
 312                         {\r
 313                                 for (int i = 0; i < 8; i++)\r
 314                                         for (int j = 0; j < 8; j++) {\r
 315                                                 DrawRect (e.Graphics, colors[i, j], j * 24, i * 24);\r
 316                                         }\r
 317 \r
 318                                 if (highlighting) {\r
 319                                         int i = x / 24;\r
 320                                         int j = y / 24;\r
 321                                         ControlPaint.DrawFocusRectangle (e.Graphics, new Rectangle (i * 24 - 2, j * 24 - 2, 24, 24));\r
 322                                 }\r
 323 \r
 324                                 base.OnPaint (e);\r
 325                         }\r
 326 \r
 327                         void DrawRect (Graphics g, Color color, int x, int y)\r
 328                         {\r
 329                                 using (SolidBrush brush = new SolidBrush (color))\r
 330                                         g.FillRectangle (brush, x, y, 20, 20);\r
 331                                 ControlPaint.DrawBorder3D (g, x, y, 20, 20);\r
 332                         }\r
 333 \r
 334                         protected override void OnMouseDown (MouseEventArgs e)\r
 335                         {\r
 336                                 if (e.X % 24 < 20 && e.Y % 24 < 20) {\r
 337                                         x = e.X;\r
 338                                         y = e.Y;\r
 339                                         highlighting = true;\r
 340                                         Invalidate ();\r
 341                                 }\r
 342                                 base.OnMouseDown (e);\r
 343                         }\r
 344 \r
 345                         protected override void OnMouseUp (MouseEventArgs e)\r
 346                         {\r
 347                                 if (highlighting) {\r
 348                                         if (ColorChanged != null)\r
 349                                                 ColorChanged (colors[y / 24, x / 24], EventArgs.Empty);\r
 350                                         highlighting = false;\r
 351                                 }\r
 352                                 base.OnMouseUp (e);\r
 353                         }\r
 354 \r
 355                         protected override void OnMouseMove (MouseEventArgs e)\r
 356                         {\r
 357                                 if (highlighting) {\r
 358                                         int old_x = x;\r
 359                                         int old_y = y;\r
 360                                         x = e.X;\r
 361                                         y = e.Y;\r
 362                                         if ((old_x / 24 != x / 24 || old_y / 24 != y / 24) &&\r
 363                                                 x / 24 < 8 && y / 24 < 8) {\r
 364                                                 Region r = new Region ();\r
 365                                                 r.Union (new Rectangle (old_x - 2, old_y - 2, 24, 24));\r
 366                                                 r.Union (new Rectangle (x - 2, y - 2, 24, 24));\r
 367                                                 Invalidate (r);\r
 368                                         }\r
 369                                 }\r
 370                                 base.OnMouseMove (e);\r
 371                         }\r
 372                 }
 373         }
 374 }