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                         SetStyle (ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, false);
  51                         SetStyle (ControlStyles.FixedHeight, true);
  52                 }
  53                 #endregion      // Public Constructors
  54
  55
  56                 #region Private & Internal Methods
  57                 private void TextBox_LostFocus(object sender, EventArgs e) {
  58                         has_focus = false;
  59 //blah Console.WriteLine("TextBox.cs(56) Invalidate called in TextBox_LostFocus");
  60                         Invalidate();
  61                 }
  62                 #endregion      // Private & Internal Methods
  63
  64                 #region Public Instance Properties
  65                 [DefaultValue(false)]
  66                 public bool AcceptsReturn {
  67                         get {
  68                                 return accepts_return;
  69                         }
  70
  71                         set {
  72                                 if (value != accepts_return) {
  73                                         accepts_return = value;
  74                                 }
  75                         }
  76                 }
  77
  78                 [DefaultValue(CharacterCasing.Normal)]
  79                 public CharacterCasing CharacterCasing {
  80                         get {
  81                                 return character_casing;
  82                         }
  83
  84                         set {
  85                                 if (value != character_casing) {
  86                                         character_casing = value;
  87                                 }
  88                         }
  89                 }
  90
  91                 [Localizable(true)]
  92                 [DefaultValue('\0')]
  93                 public char PasswordChar {
  94                         get {
  95                                 return password_char;
  96                         }
  97
  98                         set {
  99                                 if (value != password_char) {
 100                                         password_char = value;
 101                                 }
 102                         }
 103                 }
 104
 105                 [DefaultValue(ScrollBars.None)]
 106                 [Localizable(true)]
 107                 public ScrollBars ScrollBars {
 108                         get {
 109                                 return (ScrollBars)scrollbars;
 110                         }
 111
 112                         set {
 113                                 if (value != (ScrollBars)scrollbars) {
 114                                         scrollbars = (RichTextBoxScrollBars)value;
 115                                         base.CalculateScrollBars();
 116                                 }
 117                         }
 118                 }
 119
 120                 [Browsable(false)]
 121                 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
 122                 public override int SelectionLength {
 123                         get {
 124                                 return base.SelectionLength;
 125                         }
 126                         set {
 127                                 base.SelectionLength = value;
 128                         }
 129                 }
 130
 131
 132                 public override string Text {
 133                         get {
 134                                 return base.Text;
 135                         }
 136
 137                         set {
 138                                 base.Text = value;
 139                         }
 140                 }
 141
 142                 [DefaultValue(HorizontalAlignment.Left)]
 143                 [Localizable(true)]
 144                 public HorizontalAlignment TextAlign {
 145                         get {
 146                                 return alignment;
 147                         }
 148
 149                         set {
 150                                 if (value != alignment) {
 151                                         alignment = value;
 152
 153                                         // MS word-wraps if alignment isn't left
 154                                         if (multiline) {
 155                                                 if (alignment != HorizontalAlignment.Left) {
 156                                                         document.Wrap = true;
 157                                                 } else {
 158                                                         document.Wrap = word_wrap;
 159                                                 }
 160                                         }
 161
 162                                         for (int i = 1; i <= document.Lines; i++) {
 163                                                 document.GetLine(i).Alignment = value;
 164                                         }
 165                                         document.RecalculateDocument(CreateGraphics());
 166                                         OnTextAlignChanged(EventArgs.Empty);
 167                                 }
 168                         }
 169                 }
 170                 #endregion      // Public Instance Properties
 171
 172                 #region Protected Instance Methods
 173                 protected override CreateParams CreateParams {
 174                         get {
 175                                 return base.CreateParams;
 176                         }
 177                 }
 178
 179                 protected override ImeMode DefaultImeMode {
 180                         get {
 181                                 return base.DefaultImeMode;
 182                         }
 183                 }
 184                 #endregion      // Protected Instance Methods
 185
 186                 #region Protected Instance Methods
 187                 protected override bool IsInputKey(Keys keyData) {
 188                         return base.IsInputKey (keyData);
 189                 }
 190
 191                 protected override void OnGotFocus(EventArgs e) {
 192                         has_focus=true;
 193 //blah Console.WriteLine("TextBox.cs(190) Invalidate called in OnGotFocus");
 194                         Invalidate();
 195                         base.OnGotFocus (e);
 196                 }
 197
 198                 protected override void OnHandleCreated(EventArgs e) {
 199                         base.OnHandleCreated (e);
 200                 }
 201
 202                 protected override void OnMouseUp(MouseEventArgs e) {
 203                         base.OnMouseUp (e);
 204                 }
 205
 206                 protected virtual void OnTextAlignChanged(EventArgs e) {
 207                         if (TextAlignChanged != null) {
 208                                 TextAlignChanged(this, e);
 209                         }
 210                 }
 211
 212                 protected override void WndProc(ref Message m) {
 213                         base.WndProc(ref m);
 214                 }
 215                 #endregion      // Protected Instance Methods
 216
 217                 #region Events
 218                 public event EventHandler TextAlignChanged;
 219                 #endregion      // Events
 220         }
 221 }