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

   1 //
   2 // System.Windows.Forms.AmbientProperties
   3 //
   4 // Author:
   5 //   Jaak Simm (jaaksimm@firm.ee)
   6 //      Dennis Hayes (dennish@raytek.com)
   7 // (C) Ximian, Inc 2002/3
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 using System.Runtime.InteropServices;
  31
  32 using System;
  33 using System.Drawing;
  34
  35 namespace System.Windows.Forms {
  36
  37         /// <summary>
  38         /// Provides ambient property values to top-level controls.
  39         /// </summary>
  40
  41         public sealed class AmbientProperties {
  42                 Cursor cursor;
  43                 Font font;
  44                 Color backColor;
  45                 Color foreColor;
  46                 // --- Constructor ---
  47                 public AmbientProperties() {
  48                         cursor = null;
  49                         font = null;
  50                         backColor = Color.Empty;
  51                         foreColor = Color.Empty;
  52                 }
  53
  54                 // --- (public) Properties ---
  55
  56                 public Cursor Cursor {
  57                         get {
  58                                 //if set, use our value, if not, search site for it.
  59                                 if(cursor != null){
  60                                         //This is correct
  61                                         return cursor;
  62                                 }
  63                                 else{
  64                                         //This needs to find cursor from the system
  65                                         //If it cannot, return default
  66                                         return cursor;//FIXME: get value from system
  67                                 }
  68                         }
  69                         set {
  70                                 cursor = value;
  71                         }
  72                 }
  73
  74                 public Font Font {
  75                         get {
  76                                 if(font != null){
  77                                         return  font;
  78                                 }
  79                                 else{//try to get font from system
  80                                         return font;//FIXME: get value from system
  81                                 }
  82                         }
  83                         set {
  84                                 font = value;
  85                         }
  86                 }
  87
  88                 public Color ForeColor {
  89                         get {
  90                                 if(foreColor != Color.Empty){
  91                                         return foreColor;
  92                                 }
  93                                 else{
  94                                         //FIXME: return system color if possible
  95                                         return foreColor;
  96                                 }
  97                         }
  98                         set {
  99                                 foreColor = value;
 100                         }
 101                 }
 102                 public Color BackColor {
 103                         get {
 104                                 if(backColor != Color.Empty){
 105                                         return backColor;
 106                                 }
 107                                 else{
 108                                         //FIXME: return system color if possible
 109                                         return backColor;
 110                                 }
 111                         }
 112                         set {
 113                                 backColor = value;
 114                         }
 115                 }
 116         }
 117 }