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

   1 //
   2 // System.Windows.Forms.Cursor.cs
   3 //
   4 // Author:
   5 //   stubbed out by Jaak Simm (jaaksimm@firm.ee)
   6 //   Dennis Hayes (dennish@Raytek.com)
   7 //   Aleksey Ryabchuk (ryabchuk@yahoo.com)
   8 //
   9 // (C) Ximian, Inc., 2002
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32 using System;
  33 using System.ComponentModel;
  34 using System.Runtime.Serialization;
  35 using System.IO;
  36 using System.Drawing;
  37
  38 namespace System.Windows.Forms {
  39
  40         /// <summary>
  41         /// Represents the image used to paint the mouse pointer.
  42         /// </summary>
  43
  44         [MonoTODO]
  45         [Serializable]
  46         public sealed class Cursor : IDisposable, ISerializable {
  47
  48                 #region Fields
  49                 private IntPtr handle;
  50                 private bool   fromResource    = false;
  51                 private bool   disposed        = false;
  52                 private CursorType ctype;
  53                 #endregion
  54
  55                 #region Constructors
  56                 private Cursor(){
  57                 }
  58                 internal Cursor ( CursorType type )//For signiture compatablity.
  59                 {
  60                         handle = Win32.LoadCursor ( IntPtr.Zero, type );
  61                         fromResource = true;
  62                         ctype  = type;
  63                 }
  64
  65                 [MonoTODO]
  66                 public Cursor( IntPtr handle )
  67                 {
  68                         this.handle = handle;
  69                 }
  70
  71                 [MonoTODO]
  72                 public Cursor(Stream stream)
  73                 {
  74
  75                 }
  76
  77                 [MonoTODO]
  78                 public Cursor(string fileName)
  79                 {
  80
  81                 }
  82
  83                 [MonoTODO]
  84                 public Cursor(Type type,string resource)
  85                 {
  86
  87                 }
  88                 #endregion
  89
  90                 #region Properties
  91                 [MonoTODO]
  92                 public static Rectangle Clip {
  93                         get {
  94                                 throw new NotImplementedException ();
  95                         }
  96                         set {
  97                                 throw new NotImplementedException ();
  98                         }
  99                 }
 100
 101                 [MonoTODO]
 102                 public static Cursor Current {
 103                         get {
 104                                 throw new NotImplementedException ();
 105                         }
 106                         set {
 107                                 throw new NotImplementedException ();
 108                         }
 109                 }
 110
 111                 [MonoTODO]
 112                 public IntPtr Handle {
 113                         get { return handle; }
 114                 }
 115
 116                 [MonoTODO]
 117                 public static Point Position {
 118                         get { throw new NotImplementedException (); }
 119                         set { throw new NotImplementedException (); }
 120                 }
 121
 122                 [MonoTODO]
 123                 public Size Size {
 124                         get { throw new NotImplementedException (); }
 125                 }
 126                 #endregion
 127
 128                 #region Methods
 129
 130                 public IntPtr CopyHandle()
 131                 {
 132                         return Win32_WineLess.CopyCursor ( Handle );
 133                 }
 134
 135                 public void Dispose()
 136                 {
 137                         GC.SuppressFinalize( this );
 138                         Dispose( true );
 139                 }
 140
 141                 private void Dispose( bool disposing )
 142                 {
 143                         lock ( this ) {
 144                                 if ( disposing ) {
 145                                         // dispose managed resources
 146                                 }
 147                                 if ( !this.disposed ) {
 148                                         // release all unmanaged resources
 149                                         // shared cursor should not be destroyed
 150                                         if ( !fromResource )
 151                                                 Win32.DestroyCursor ( handle );
 152                                         handle = IntPtr.Zero;
 153                                 }
 154                                 disposed = true;
 155                         }
 156                 }
 157
 158                 [MonoTODO]
 159                 public void Draw(Graphics g,Rectangle targetRect)
 160                 {
 161                         throw new NotImplementedException ();
 162                 }
 163
 164                 [MonoTODO]
 165                 public void DrawStretched(Graphics g,Rectangle targetRect)
 166                 {
 167                         throw new NotImplementedException ();
 168                 }
 169
 170                 [MonoTODO]
 171                 public override bool Equals(object obj)
 172                 {
 173                         if ( obj == null ) return false;
 174                         if ( this.GetType ( ) != obj.GetType ( ) ) return false;
 175                         Cursor other = ( Cursor ) obj;
 176                         if ( !fromResource.Equals ( other.fromResource ) ) return false;
 177                         if ( !ctype.Equals ( other.ctype ) ) return false;
 178
 179                         return true;
 180                 }
 181
 182                 ~Cursor() {
 183                         Dispose ( false );
 184                 }
 185
 186                 [MonoTODO]
 187                 public override int GetHashCode()
 188                 {
 189                         //FIXME:
 190                         return base.GetHashCode();
 191                 }
 192
 193                 public static void Hide()
 194                 {
 195                         Win32.ShowCursor ( false );
 196                 }
 197
 198                 /// ISerializable.GetObjectData only supports .NET framework:
 199                 [MonoTODO]
 200                 void ISerializable.GetObjectData(SerializationInfo si,StreamingContext context)
 201                 {
 202                         throw new NotImplementedException ();
 203                 }
 204
 205                 public static void Show()
 206                 {
 207                         Win32.ShowCursor ( true );
 208                 }
 209
 210                 [MonoTODO]
 211                 public override string ToString()
 212                 {
 213                         //FIXME:
 214                         return base.ToString();
 215                 }
 216                 #endregion
 217
 218                 #region Operators
 219                 [MonoTODO]
 220                 public static bool operator ==(Cursor left, Cursor right)
 221                 {
 222                         return Object.Equals ( left, right );
 223                 }
 224
 225                 [MonoTODO]
 226                 public static bool operator !=(Cursor left, Cursor right)
 227                 {
 228                         return ! ( left == right );
 229                 }
 230                 #endregion
 231         }
 232 }