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 CarbonCursor defcur = new CarbonCursor (StdCursor.Default);
  36
  37                 internal static Bitmap DefineStdCursorBitmap (StdCursor id) {
  38                         // FIXME
  39                         return new Bitmap (16, 16);
  40                 }
  41                 internal static IntPtr DefineCursor (Bitmap bitmap, Bitmap mask, Color cursor_pixel, Color mask_pixel, int xHotSpot, int yHotSpot) {
  42                         CarbonCursor cc = new CarbonCursor (bitmap, mask, cursor_pixel, mask_pixel, xHotSpot, yHotSpot);
  43
  44                         return (IntPtr) GCHandle.Alloc (cc);
  45                 }
  46                 internal static IntPtr DefineStdCursor (StdCursor id) {
  47                         CarbonCursor cc = new CarbonCursor (id);
  48
  49                         return (IntPtr) GCHandle.Alloc (cc);
  50                 }
  51                 internal static void SetCursor (IntPtr cursor) {
  52                         if (cursor == IntPtr.Zero) {
  53                                 defcur.SetCursor ();
  54                                 return;
  55                         }
  56
  57                         CarbonCursor cc = (CarbonCursor) ((GCHandle) cursor).Target;
  58
  59                         cc.SetCursor ();
  60                 }
  61         }
  62
  63         internal struct CarbonCursor {
  64                 private Bitmap bmp;
  65                 private Bitmap mask;
  66                 private Color cursor_color;
  67                 private Color mask_color;
  68                 private int hot_x;
  69                 private int hot_y;
  70                 private StdCursor id;
  71                 private bool standard;
  72
  73                 public CarbonCursor (Bitmap bitmap, Bitmap mask, Color cursor_pixel, Color mask_pixel, int xHotSpot, int yHotSpot) {
  74                         this.id = StdCursor.Default;
  75                         this.bmp = bitmap;
  76                         this.mask = mask;
  77                         this.cursor_color = cursor_pixel;
  78                         this.mask_color = mask_pixel;
  79                         this.hot_x = xHotSpot;
  80                         this.hot_y = yHotSpot;
  81                         standard = true;
  82                 }
  83
  84                 public CarbonCursor (StdCursor id) {
  85                         this.id = id;
  86                         this.bmp = null;
  87                         this.mask = null;
  88                         this.cursor_color = Color.Black;
  89                         this.mask_color = Color.Black;
  90                         this.hot_x = 0;
  91                         this.hot_y = 0;
  92                         standard = true;
  93                 }
  94
  95                 public StdCursor StdCursor {
  96                         get {
  97                                 return id;
  98                         }
  99                 }
 100
 101                 public Bitmap Bitmap {
 102                         get {
 103                                 return bmp;
 104                         }
 105                 }
 106
 107                 public Bitmap Mask {
 108                         get {
 109                                 return mask;
 110                         }
 111                 }
 112
 113                 public Color CursorColor {
 114                         get {
 115                                 return cursor_color;
 116                         }
 117                 }
 118
 119                 public Color MaskColor {
 120                         get {
 121                                 return mask_color;
 122                         }
 123                 }
 124
 125                 public int HotSpotX {
 126                         get {
 127                                 return hot_x;
 128                         }
 129                 }
 130
 131                 public int HotSpotY {
 132                         get {
 133                                 return hot_y;
 134                         }
 135                 }
 136
 137                 public void SetCursor () {
 138                         if (standard)
 139                                 SetStandardCursor ();
 140                         else
 141                                 SetCustomCursor ();
 142                 }
 143
 144                 public void SetCustomCursor () {
 145                         throw new NotImplementedException ("We dont support custom cursors yet");
 146                 }
 147
 148                 public void SetStandardCursor () {
 149                         switch (id) {
 150                                 case StdCursor.AppStarting:
 151                                         SetThemeCursor (ThemeCursor.kThemeSpinningCursor);
 152                                         break;
 153                                 case StdCursor.Arrow:
 154                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 155                                         break;
 156                                 case StdCursor.Cross:
 157                                         SetThemeCursor (ThemeCursor.kThemeCrossCursor);
 158                                         break;
 159                                 case StdCursor.Default:
 160                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 161                                         break;
 162                                 case StdCursor.Hand:
 163                                         SetThemeCursor (ThemeCursor.kThemeOpenHandCursor);
 164                                         break;
 165                                 case StdCursor.Help:
 166                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 167                                         break;
 168                                 case StdCursor.HSplit:
 169                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftRightCursor);
 170                                         break;
 171                                 case StdCursor.IBeam:
 172                                         SetThemeCursor (ThemeCursor.kThemeIBeamCursor);
 173                                         break;
 174                                 case StdCursor.No:
 175                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 176                                         break;
 177                                 case StdCursor.NoMove2D:
 178                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 179                                         break;
 180                                 case StdCursor.NoMoveHoriz:
 181                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 182                                         break;
 183                                 case StdCursor.NoMoveVert:
 184                                         SetThemeCursor (ThemeCursor.kThemeNotAllowedCursor);
 185                                         break;
 186                                 case StdCursor.PanEast:
 187                                         SetThemeCursor (ThemeCursor.kThemeResizeRightCursor);
 188                                         break;
 189                                 case StdCursor.PanNE:
 190                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 191                                         break;
 192                                 case StdCursor.PanNorth:
 193                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 194                                         break;
 195                                 case StdCursor.PanNW:
 196                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 197                                         break;
 198                                 case StdCursor.PanSE:
 199                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 200                                         break;
 201                                 case StdCursor.PanSouth:
 202                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 203                                         break;
 204                                 case StdCursor.PanSW:
 205                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 206                                         break;
 207                                 case StdCursor.PanWest:
 208                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftCursor);
 209                                         break;
 210                                 case StdCursor.SizeAll:
 211                                         SetThemeCursor (ThemeCursor.kThemeResizeLeftRightCursor);
 212                                         break;
 213                                 case StdCursor.SizeNESW:
 214                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 215                                         break;
 216                                 case StdCursor.SizeNS:
 217                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 218                                         break;
 219                                 case StdCursor.SizeNWSE:
 220                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 221                                         break;
 222                                 case StdCursor.SizeWE:
 223                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 224                                         break;
 225                                 case StdCursor.UpArrow:
 226                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 227                                         break;
 228                                 case StdCursor.VSplit:
 229                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 230                                         break;
 231                                 case StdCursor.WaitCursor:
 232                                         SetThemeCursor (ThemeCursor.kThemeSpinningCursor);
 233                                         break;
 234                                 default:
 235                                         SetThemeCursor (ThemeCursor.kThemeArrowCursor);
 236                                         break;
 237                         }
 238                         return;
 239                 }
 240
 241                 [DllImport ("/System/Library/Frameworks/Carbon.framework/Versions/Current/Carbon")]
 242                 static extern int SetThemeCursor (ThemeCursor cursor);
 243
 244         }
 245 }