mcs/class/Managed.Windows.Forms/System.Windows.Forms.CarbonInternal/Cursor.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2008 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Geoff Norton (gnorton@novell.com)
  24 //
  25 //
  26
  27
  28 using System;
  29 using System.Drawing;
  30 using System.Windows.Forms;
  31 using System.Runtime.InteropServices;
  32
  33 namespace System.Windows.Forms.CarbonInternal {
  34         internal class Cursor {
  35                 internal static Bitmap DefineStdCursorBitmap (StdCursor id) {
  36                         // FIXME
  37                         return new Bitmap (16, 16);
  38                 }
  39                 internal static IntPtr DefineCursor (Bitmap bitmap, Bitmap mask, Color cursor_pixel, Color mask_pixel, int xHotSpot, int yHotSpot) {
  40                         CarbonCursor cc = new CarbonCursor (bitmap, mask, cursor_pixel, mask_pixel, xHotSpot, yHotSpot);
  41
  42                         return (IntPtr) GCHandle.Alloc (cc);
  43                 }
  44                 internal static IntPtr DefineStdCursor (StdCursor id) {
  45                         CarbonCursor cc = new CarbonCursor (id);
  46
  47                         return (IntPtr) GCHandle.Alloc (cc);
  48                 }
  49                 internal static void SetCursor (IntPtr cursor) {
  50                         if (cursor == IntPtr.Zero)
  51                                 return;
  52
  53                         CarbonCursor cc = (CarbonCursor) ((GCHandle) cursor).Target;
  54
  55                         cc.SetCursor ();
  56                 }
  57         }
  58
  59         internal struct CarbonCursor {
  60                 private Bitmap bmp;
  61                 private Bitmap mask;
  62                 private Color cursor_color;
  63                 private Color mask_color;
  64                 private int hot_x;
  65                 private int hot_y;
  66                 private StdCursor id;
  67                 private bool standard;
  68
  69                 public CarbonCursor (Bitmap bitmap, Bitmap mask, Color cursor_pixel, Color mask_pixel, int xHotSpot, int yHotSpot) {
  70                         this.id = StdCursor.Default;
  71                         this.bmp = bitmap;
  72                         this.mask = mask;
  73                         this.cursor_color = cursor_pixel;
  74                         this.mask_color = mask_pixel;
  75                         this.hot_x = xHotSpot;
  76                         this.hot_y = yHotSpot;
  77                         standard = true;
  78                 }
  79
  80                 public CarbonCursor (StdCursor id) {
  81                         this.id = id;
  82                         this.bmp = null;
  83                         this.mask = null;
  84                         this.cursor_color = Color.Black;
  85                         this.mask_color = Color.Black;
  86                         this.hot_x = 0;
  87                         this.hot_y = 0;
  88                         standard = true;
  89                 }
  90
  91                 public StdCursor StdCursor {
  92                         get {
  93                                 return id;
  94                         }
  95                 }
  96
  97                 public Bitmap Bitmap {
  98                         get {
  99                                 return bmp;
 100                         }
 101                 }
 102
 103                 public Bitmap Mask {
 104                         get {
 105                                 return mask;
 106                         }
 107                 }
 108
 109                 public Color CursorColor {
 110                         get {
 111                                 return cursor_color;
 112                         }
 113                 }
 114
 115                 public Color MaskColor {
 116                         get {
 117                                 return mask_color;
 118                         }
 119                 }
 120
 121                 public int HotSpotX {
 122                         get {
 123                                 return hot_x;
 124                         }
 125                 }
 126
 127                 public int HotSpotY {
 128                         get {
 129                                 return hot_y;
 130                         }
 131                 }
 132
 133                 public void SetCursor () {
 134                         if (standard)
 135                                 SetStandardCursor ();
 136                         else
 137                                 SetCustomCursor ();
 138                 }
 139
 140                 public void SetCustomCursor () {
 141                         throw new NotImplementedException ("We dont support custom cursors yet");
 142                 }
 143
 144                 public void SetStandardCursor () {
 145                         switch (id) {
 146                                 case StdCursor.AppStarting:
 147                                         SetThemeCursor (ThemeCursor.kThemeSpinningCursor);
 148                                         break;
 149                                 case StdCursor.Arrow:
 150                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 151                                         break;
 152                                 case StdCursor.Cross:
 153                                         SetThemeCursor (ThemeCursor.kThemeCrossCursor);
 154                                         break;
 155                                 case StdCursor.Default:
 156                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 157                                         break;
 158                                 case StdCursor.Hand:
 159                                         SetThemeCursor (ThemeCursor.kThemeOpenHandCursor);
 160                                         break;
 161                                 case StdCursor.Help:
 162                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 163                                         break;
 164                                 case StdCursor.HSplit:
 165                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftRightCursor);
 166                                         break;
 167                                 case StdCursor.IBeam:
 168                                         SetThemeCursor (ThemeCursor.kThemeIBeamCursor);
 169                                         break;
 170                                 case StdCursor.No:
 171                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 172                                         break;
 173                                 case StdCursor.NoMove2D:
 174                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 175                                         break;
 176                                 case StdCursor.NoMoveHoriz:
 177                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 178                                         break;
 179                                 case StdCursor.NoMoveVert:
 180                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 181                                         break;
 182                                 case StdCursor.PanEast:
 183                                         SetThemeCursor (ThemeCursor.kThemeResizeRightCursor);
 184                                         break;
 185                                 case StdCursor.PanNE:
 186                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 187                                         break;
 188                                 case StdCursor.PanNorth:
 189                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 190                                         break;
 191                                 case StdCursor.PanNW:
 192                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 193                                         break;
 194                                 case StdCursor.PanSE:
 195                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 196                                         break;
 197                                 case StdCursor.PanSouth:
 198                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 199                                         break;
 200                                 case StdCursor.PanSW:
 201                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 202                                         break;
 203                                 case StdCursor.PanWest:
 204                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftCursor);
 205                                         break;
 206                                 case StdCursor.SizeAll:
 207                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftRightCursor);
 208                                         break;
 209                                 case StdCursor.SizeNESW:
 210                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 211                                         break;
 212                                 case StdCursor.SizeNS:
 213                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 214                                         break;
 215                                 case StdCursor.SizeNWSE:
 216                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 217                                         break;
 218                                 case StdCursor.SizeWE:
 219                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 220                                         break;
 221                                 case StdCursor.UpArrow:
 222                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 223                                         break;
 224                                 case StdCursor.VSplit:
 225                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 226                                         break;
 227                                 case StdCursor.WaitCursor:
 228                                         SetThemeCursor (ThemeCursor.kThemeSpinningCursor);
 229                                         break;
 230                                 default:
 231                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 232                                         break;
 233                         }
 234                         return;
 235                 }
 236
 237                 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
 238                 static extern int SetThemeCursor (ThemeCursor cursor);
 239
 240         }
 241 }