mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.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. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    pbartok@novell.com
  24 //
  25 //
  26
  27 // NOT COMPLETE
  28
  29 using System;
  30 using System.ComponentModel;
  31 using System.ComponentModel.Design;
  32 using System.Drawing;
  33
  34 namespace System.Windows.Forms {
  35         public class TextBox : TextBoxBase {
  36                 #region Local Variables
  37                 internal char                   password_char;
  38                 #endregion      // Local Variables
  39
  40                 #region Public Constructors
  41                 public TextBox() {
  42                         accepts_return = false;
  43                         password_char = '\u25cf';
  44                         scrollbars = RichTextBoxScrollBars.None;
  45                         alignment = HorizontalAlignment.Left;
  46                         this.LostFocus +=new EventHandler(TextBox_LostFocus);
  47                         this.BackColor = ThemeEngine.Current.ColorWindow;
  48                         this.ForeColor = ThemeEngine.Current.ColorWindowText;
  49                 }
  50                 #endregion      // Public Constructors
  51
  52
  53                 #region Private & Internal Methods
  54                 private void TextBox_LostFocus(object sender, EventArgs e) {
  55                         has_focus = false;
  56 //blah Console.WriteLine("TextBox.cs(56) Invalidate called in TextBox_LostFocus");
  57                         Invalidate();
  58                 }
  59                 #endregion      // Private & Internal Methods
  60
  61                 #region Public Instance Properties
  62                 [DefaultValue(false)]
  63                 public bool AcceptsReturn {
  64                         get {
  65                                 return accepts_return;
  66                         }
  67
  68                         set {
  69                                 if (value != accepts_return) {
  70                                         accepts_return = value;
  71                                 }
  72                         }
  73                 }
  74
  75                 [DefaultValue(CharacterCasing.Normal)]
  76                 public CharacterCasing CharacterCasing {
  77                         get {
  78                                 return character_casing;
  79                         }
  80
  81                         set {
  82                                 if (value != character_casing) {
  83                                         character_casing = value;
  84                                 }
  85                         }
  86                 }
  87
  88                 [Localizable(true)]
  89                 [DefaultValue("")]
  90                 public char PasswordChar {
  91                         get {
  92                                 return password_char;
  93                         }
  94
  95                         set {
  96                                 if (value != password_char) {
  97                                         password_char = value;
  98                                 }
  99                         }
 100                 }
 101
 102                 [DefaultValue(ScrollBars.None)]
 103                 [Localizable(true)]
 104                 public ScrollBars ScrollBars {
 105                         get {
 106                                 return (ScrollBars)scrollbars;
 107                         }
 108
 109                         set {
 110                                 if (value != (ScrollBars)scrollbars) {
 111                                         scrollbars = (RichTextBoxScrollBars)value;
 112                                         base.CalculateScrollBars();
 113                                 }
 114                         }
 115                 }
 116
 117                 [Browsable(false)]
 118                 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
 119                 public override int SelectionLength {
 120                         get {
 121                                 return base.SelectionLength;
 122                         }
 123                         set {
 124                                 base.SelectionLength = value;
 125                         }
 126                 }
 127
 128
 129                 public override string Text {
 130                         get {
 131                                 return base.Text;
 132                         }
 133
 134                         set {
 135                                 base.Text = value;
 136                         }
 137                 }
 138
 139                 [DefaultValue(HorizontalAlignment.Left)]
 140                 [Localizable(true)]
 141                 public HorizontalAlignment TextAlign {
 142                         get {
 143                                 return alignment;
 144                         }
 145
 146                         set {
 147                                 if (value != alignment) {
 148                                         alignment = value;
 149
 150                                         // MS word-wraps if alignment isn't left
 151                                         if (multiline) {
 152                                                 if (alignment != HorizontalAlignment.Left) {
 153                                                         document.Wrap = true;
 154                                                 } else {
 155                                                         document.Wrap = word_wrap;
 156                                                 }
 157                                         }
 158
 159                                         for (int i = 1; i <= document.Lines; i++) {
 160                                                 document.GetLine(i).Alignment = value;
 161                                         }
 162                                         document.RecalculateDocument(CreateGraphics());
 163                                         OnTextAlignChanged(EventArgs.Empty);
 164                                 }
 165                         }
 166                 }
 167                 #endregion      // Public Instance Properties
 168
 169                 #region Protected Instance Methods
 170                 protected override CreateParams CreateParams {
 171                         get {
 172                                 return base.CreateParams;
 173                         }
 174                 }
 175
 176                 protected override ImeMode DefaultImeMode {
 177                         get {
 178                                 return base.DefaultImeMode;
 179                         }
 180                 }
 181                 #endregion      // Protected Instance Methods
 182
 183                 #region Protected Instance Methods
 184                 protected override bool IsInputKey(Keys keyData) {
 185                         return base.IsInputKey (keyData);
 186                 }
 187
 188                 protected override void OnGotFocus(EventArgs e) {
 189                         has_focus=true;
 190 //blah Console.WriteLine("TextBox.cs(190) Invalidate called in OnGotFocus");
 191                         Invalidate();
 192                         base.OnGotFocus (e);
 193                 }
 194
 195                 protected override void OnHandleCreated(EventArgs e) {
 196                         base.OnHandleCreated (e);
 197                 }
 198
 199                 protected override void OnMouseUp(MouseEventArgs e) {
 200                         base.OnMouseUp (e);
 201                 }
 202
 203                 protected virtual void OnTextAlignChanged(EventArgs e) {
 204                         if (TextAlignChanged != null) {
 205                                 TextAlignChanged(this, e);
 206                         }
 207                 }
 208
 209                 protected override void WndProc(ref Message m) {
 210                         base.WndProc(ref m);
 211                 }
 212                 #endregion      // Protected Instance Methods
 213
 214                 #region Events
 215                 public event EventHandler TextAlignChanged;
 216                 #endregion      // Events
 217         }
 218 }