mcs/class/Managed.Windows.Forms/System.Windows.Forms/MainMenu.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) 2004-2005 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Jordi Mas i Hernandez, jordi@ximian.com
  24 //
  25 //
  26
  27 // COMPLETE
  28
  29 using System.ComponentModel;
  30 using System.Drawing;
  31
  32 namespace System.Windows.Forms
  33 {
  34         [ToolboxItemFilter("System.Windows.Forms.MainMenu", ToolboxItemFilterType.Allow)]
  35         public class MainMenu : Menu
  36         {
  37                 private RightToLeft right_to_left = RightToLeft.Inherit;
  38                 private Form form = null;
  39
  40                 public MainMenu () : base (null)
  41                 {
  42
  43                 }
  44
  45                 public MainMenu (MenuItem[] items) : base (items)
  46                 {
  47
  48                 }
  49
  50 #if NET_2_0
  51                 public MainMenu (IContainer container) : this ()
  52                 {
  53                         container.Add (this);
  54                 }
  55 #endif
  56
  57                 #region Public Properties
  58                 [Localizable(true)]
  59 #if NET_2_0
  60                 [AmbientValue (RightToLeft.Inherit)]
  61 #endif
  62                 public virtual RightToLeft RightToLeft {
  63                         get { return right_to_left;}
  64                         set { right_to_left = value; }
  65                 }
  66
  67                 #endregion Public Properties
  68
  69                 #region Public Methods
  70
  71                 public virtual MainMenu CloneMenu ()
  72                 {
  73                         MainMenu new_menu = new MainMenu ();
  74                         new_menu.CloneMenu (this);
  75                         return new_menu;
  76                 }
  77
  78                 protected override IntPtr CreateMenuHandle ()
  79                 {
  80                         return IntPtr.Zero;
  81                 }
  82
  83                 protected override void Dispose (bool disposing)
  84                 {
  85                         base.Dispose (disposing);
  86                 }
  87
  88                 public Form GetForm ()
  89                 {
  90                         return form;
  91                 }
  92
  93                 public override string ToString ()
  94                 {
  95                         return base.ToString () + ", GetForm: " + form;
  96                 }
  97
  98                 #endregion Public Methods
  99
 100                 #region Private Methods
 101
 102                 internal void Draw ()
 103                 {
 104                         Draw (Rect);
 105                 }
 106
 107                 internal void Draw (Rectangle rect)
 108                 {
 109                         if (Wnd.IsHandleCreated) {
 110                                 Point pt = XplatUI.GetMenuOrigin (Wnd.window.Handle);
 111                                 PaintEventArgs pevent = XplatUI.PaintEventStart (Wnd.window.Handle, false);
 112                                 pevent.Graphics.SetClip (new Rectangle (rect.X + pt.X, rect.Y + pt.Y, rect.Width, rect.Height));
 113                                 Draw (pevent, Rect);
 114                                 XplatUI.PaintEventEnd (Wnd.window.Handle, false);
 115                         }
 116                 }
 117
 118                 internal void Draw (PaintEventArgs pe)
 119                 {
 120                         Draw (pe, Rect);
 121                 }
 122
 123                 internal void Draw (PaintEventArgs pe, Rectangle rect)
 124                 {
 125                         if (!Wnd.IsHandleCreated)
 126                                 return;
 127
 128                         X = rect.X;
 129                         Y = rect.Y;
 130                         Height = Rect.Height;
 131
 132                         ThemeEngine.Current.DrawMenuBar (pe.Graphics, this, rect);
 133
 134                         PaintEventHandler eh = (PaintEventHandler)(Events [PaintEvent]);
 135                         if (eh != null)
 136                                 eh (this, pe);
 137                 }
 138
 139                 internal override void InvalidateItem (MenuItem item)
 140                 {
 141                         Draw (item.bounds);
 142                 }
 143
 144                 internal void SetForm (Form form)
 145                 {
 146                         this.form = form;
 147                         Wnd = form;
 148
 149                         if (tracker == null)
 150                                 tracker = new MenuTracker (this);
 151                 }
 152
 153                 internal override void OnMenuChanged (EventArgs e)
 154                 {
 155                         base.OnMenuChanged (EventArgs.Empty);
 156                         if (form == null)
 157                                 return;
 158
 159                         Rectangle clip = Rect;
 160                         Height = 0; /* need this so the theme code will re-layout the menu items
 161                                        (why is the theme code doing the layout?  argh) */
 162
 163                         if (!Wnd.IsHandleCreated)
 164                                 return;
 165
 166                         PaintEventArgs pevent = XplatUI.PaintEventStart (Wnd.window.Handle, false);
 167                         pevent.Graphics.SetClip (clip);
 168
 169                         Draw (pevent, clip);
 170                 }
 171
 172                 /* Mouse events from the form */
 173                 internal void OnMouseDown (object window, MouseEventArgs args)
 174                 {
 175                         tracker.OnMouseDown (args);
 176                 }
 177
 178                 internal void OnMouseMove (object window, MouseEventArgs e)
 179                 {
 180                         MouseEventArgs args = new MouseEventArgs (e.Button, e.Clicks, Control.MousePosition.X, Control.MousePosition.Y, e.Delta);
 181                         tracker.OnMotion (args);
 182                 }
 183
 184                 static object PaintEvent = new object ();
 185
 186                 internal event PaintEventHandler Paint {
 187                         add { Events.AddHandler (PaintEvent, value); }
 188                         remove { Events.RemoveHandler (PaintEvent, value); }
 189                 }
 190
 191                 #endregion Private Methods
 192         }
 193 }
 194
 195