mcs/class/Managed.Windows.Forms/System.Windows.Forms/StatusBarPanel.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
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   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 //      Jackson Harper (jackson@ximian.com)
  24
  25 // COMPLETE
  26
  27 using System;
  28 using System.Drawing;
  29 using System.ComponentModel;
  30 using System.ComponentModel.Design;
  31 using System.Runtime.InteropServices;
  32
  33 namespace System.Windows.Forms {
  34         [ToolboxItem (false)]
  35         [DefaultProperty("Text")]
  36         [DesignTimeVisible(false)]
  37         public class StatusBarPanel : Component, ISupportInitialize {
  38                 #region Local Variables
  39                 private StatusBar parent;
  40
  41                 private bool initializing;
  42                 private string text = String.Empty;
  43                 private string tool_tip_text = String.Empty;
  44
  45                 private Icon icon;
  46                 private HorizontalAlignment alignment = HorizontalAlignment.Left;
  47                 private StatusBarPanelAutoSize auto_size = StatusBarPanelAutoSize.None;
  48                 private StatusBarPanelBorderStyle border_style = StatusBarPanelBorderStyle.Sunken;
  49                 private StatusBarPanelStyle style = StatusBarPanelStyle.Text;
  50                 private int width = 100;
  51                 private int min_width = 10;
  52                 internal int X;
  53
  54                 private string name;
  55                 private object tag;
  56                 #endregion      // Local Variables
  57
  58                 #region UIA Framework Events
  59                 static object UIATextChangedEvent = new object ();
  60
  61                 internal event EventHandler UIATextChanged {
  62                         add { Events.AddHandler (UIATextChangedEvent, value); }
  63                         remove { Events.RemoveHandler (UIATextChangedEvent, value); }
  64                 }
  65
  66                 internal void OnUIATextChanged (EventArgs e)
  67                 {
  68                         EventHandler eh = (EventHandler) Events [UIATextChangedEvent];
  69                         if (eh != null)
  70                                 eh (this, e);
  71                 }
  72                 #endregion
  73
  74                 #region Constructors
  75                 public StatusBarPanel ()
  76                 {
  77                 }
  78                 #endregion      // Constructors
  79
  80                 [DefaultValue(HorizontalAlignment.Left)]
  81                 [Localizable(true)]
  82                 public HorizontalAlignment Alignment {
  83                         get { return alignment; }
  84                         set {
  85                                 alignment = value;
  86                                 InvalidateContents ();
  87                         }
  88                 }
  89
  90                 [RefreshProperties (RefreshProperties.All)]
  91                 [DefaultValue(StatusBarPanelAutoSize.None)]
  92                 public StatusBarPanelAutoSize AutoSize {
  93                         get { return auto_size; }
  94                         set {
  95                                 auto_size = value;
  96                                 Invalidate ();
  97                         }
  98                 }
  99
 100                 [DefaultValue(StatusBarPanelBorderStyle.Sunken)]
 101                 [DispId(-504)]
 102                 public StatusBarPanelBorderStyle BorderStyle {
 103                         get { return border_style; }
 104                         set {
 105                                 border_style = value;
 106                                 Invalidate ();
 107                         }
 108                 }
 109
 110                 [DefaultValue(null)]
 111                 [Localizable(true)]
 112                 public Icon Icon {
 113                         get { return icon; }
 114                         set {
 115                                 icon = value;
 116                                 InvalidateContents ();
 117                         }
 118                 }
 119
 120                 [DefaultValue(10)]
 121                 [Localizable(true)]
 122                 [RefreshProperties(RefreshProperties.All)]
 123                 public int MinWidth {
 124                         get {
 125                         /*
 126                                 MSDN says that when AutoSize = None then MinWidth is automatically
 127                                 set to Width, but neither v1.1 nor v2.0 behave that way.
 128                         */
 129                                 return min_width;
 130                         }
 131                         set {
 132                                 if (value < 0)
 133                                         throw new ArgumentOutOfRangeException ("value");
 134
 135                                 min_width = value;
 136                                 if (min_width > width)
 137                                         width = min_width;
 138
 139                                 Invalidate ();
 140                         }
 141                 }
 142
 143                 [Localizable (true)]
 144                 public string Name {
 145                         get {
 146                                 if (name == null)
 147                                         return string.Empty;
 148                                 return name;
 149                         }
 150                         set {
 151                                 name = value;
 152                         }
 153                 }
 154
 155                 [DefaultValue(100)]
 156                 [Localizable(true)]
 157                 public int Width {
 158                         get { return width; }
 159                         set {
 160                                 if (value < 0)
 161                                         throw new ArgumentException ("value");
 162
 163                                 if (initializing)
 164                                         width = value;
 165                                 else
 166                                         SetWidth(value);
 167
 168                                 Invalidate ();
 169                         }
 170                 }
 171
 172                 [DefaultValue(StatusBarPanelStyle.Text)]
 173                 public StatusBarPanelStyle Style {
 174                         get { return style; }
 175                         set {
 176                                 style = value;
 177                                 Invalidate ();
 178                         }
 179                 }
 180
 181                 [TypeConverter (typeof (StringConverter))]
 182                 [Localizable (false)]
 183                 [Bindable (true)]
 184                 [DefaultValue (null)]
 185                 public object Tag {
 186                         get {
 187                                 return tag;
 188                         }
 189                         set {
 190                                 tag = value;
 191                         }
 192                 }
 193
 194                 [DefaultValue("")]
 195                 [Localizable(true)]
 196                 public string Text {
 197                         get { return text; }
 198                         set {
 199                                 text = value;
 200                                 InvalidateContents ();
 201
 202                                 // UIA Framework Event: Text Changed
 203                                 OnUIATextChanged (EventArgs.Empty);
 204                         }
 205                 }
 206
 207                 [DefaultValue("")]
 208                 [Localizable(true)]
 209                 public string ToolTipText {
 210                         get { return tool_tip_text; }
 211                         set { tool_tip_text = value; }
 212                 }
 213
 214                 [Browsable(false)]
 215                 public StatusBar Parent {
 216                         get { return parent; }
 217                 }
 218
 219                 private void Invalidate ()
 220                 {
 221                         if (parent == null)
 222                                 return;
 223                         parent.UpdatePanel (this);
 224                 }
 225
 226                 private void InvalidateContents ()
 227                 {
 228                         if (parent == null)
 229                                 return;
 230                         parent.UpdatePanelContents (this);
 231                 }
 232
 233                 internal void SetParent (StatusBar parent)
 234                 {
 235                         this.parent = parent;
 236                 }
 237
 238                 internal void SetWidth (int width)
 239                 {
 240                         this.width = width;
 241                         if (min_width > this.width)
 242                                 this.width = min_width;
 243                 }
 244
 245                 public override string ToString ()
 246                 {
 247                         return "StatusBarPanel: {" + Text +"}";
 248                 }
 249
 250                 protected override void Dispose (bool disposing)
 251                 {
 252                 }
 253
 254                 public void BeginInit ()
 255                 {
 256                         initializing = true;
 257                 }
 258
 259                 public void EndInit ()
 260                 {
 261                         if (!initializing)
 262                                 return;
 263
 264                         if (min_width > width)
 265                                 width = min_width;
 266
 267                         initializing = false;
 268                 }
 269         }
 270 }
 271
 272