class/System.Design/System.Windows.Forms.Design/FormDocumentDesigner.cs

   1 //
   2 // System.Windows.Forms.Design.FormDocumentDesigner
   3 //
   4 // Authors:
   5 //        Ivan N. Zlatev (contact i-nZ.net)
   6 //
   7 // (C) 2008 Ivan N. Zlatev
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.ComponentModel;
  32 using System.ComponentModel.Design;
  33 using System.Windows.Forms;
  34 using System.Drawing;
  35 using System.Drawing.Design;
  36 using System.Collections;
  37
  38 namespace System.Windows.Forms.Design
  39 {
  40         internal class FormDocumentDesigner : DocumentDesigner
  41         {
  42
  43                 public FormDocumentDesigner ()
  44                 {
  45                 }
  46
  47                 public override void Initialize (IComponent component)
  48                 {
  49                         Form form = component as Form;
  50                         if (form == null)
  51                                 throw new NotSupportedException ("FormDocumentDesigner can be initialized only with Forms");
  52
  53                         form.TopLevel = false;
  54                         form.Visible = true;
  55                         base.Initialize (component);
  56                 }
  57
  58                 public override bool CanParent (Control control)
  59                 {
  60                         if (control is Form)
  61                                 return false;
  62                         return base.CanParent (control);
  63                 }
  64
  65                 protected override void WndProc (ref Message m)
  66                 {
  67                         // Filter out titlebar clicks
  68                         //
  69                         switch ((Native.Msg) m.Msg) {
  70                         case Native.Msg.WM_NCLBUTTONDBLCLK:
  71                         case Native.Msg.WM_NCLBUTTONDOWN:
  72                         case Native.Msg.WM_NCMBUTTONDBLCLK:
  73                         case Native.Msg.WM_NCMBUTTONDOWN:
  74                         case Native.Msg.WM_NCRBUTTONDBLCLK:
  75                         case Native.Msg.WM_NCRBUTTONDOWN:
  76                                 ISelectionService selectionServ = this.GetService (typeof (ISelectionService)) as ISelectionService;
  77                                 if (selectionServ != null)
  78                                         selectionServ.SetSelectedComponents (new object[] { this.Component });
  79                                 break;
  80                         default:
  81                                 base.WndProc (ref m);
  82                                 break;
  83                         }
  84                 }
  85         }
  86 }