mcs/class/Managed.Windows.Forms/System.Windows.Forms/TextBox.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
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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. (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 Public Constructors
  37                 public TextBox() {
  38                         scrollbars = RichTextBoxScrollBars.None;
  39                         alignment = HorizontalAlignment.Left;
  40                         this.LostFocus +=new EventHandler(TextBox_LostFocus);
  41                         this.BackColor = ThemeEngine.Current.ColorWindow;
  42                         this.ForeColor = ThemeEngine.Current.ColorWindowText;
  43
  44                         SetStyle (ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, false);
  45                         SetStyle (ControlStyles.FixedHeight, true);
  46                 }
  47                 #endregion      // Public Constructors
  48
  49
  50                 #region Private & Internal Methods
  51                 private void TextBox_LostFocus(object sender, EventArgs e) {
  52                         has_focus = false;
  53                         Invalidate();
  54                 }
  55                 #endregion      // Private & Internal Methods
  56
  57                 #region Public Instance Properties
  58                 [DefaultValue(false)]
  59                 public bool AcceptsReturn {
  60                         get {
  61                                 return accepts_return;
  62                         }
  63
  64                         set {
  65                                 if (value != accepts_return) {
  66                                         accepts_return = value;
  67                                 }
  68                         }
  69                 }
  70
  71                 [DefaultValue(CharacterCasing.Normal)]
  72                 public CharacterCasing CharacterCasing {
  73                         get {
  74                                 return character_casing;
  75                         }
  76
  77                         set {
  78                                 if (value != character_casing) {
  79                                         character_casing = value;
  80                                 }
  81                         }
  82                 }
  83
  84                 [Localizable(true)]
  85                 [DefaultValue('\0')]
  86                 public char PasswordChar {
  87                         get {
  88                                 return password_char;
  89                         }
  90
  91                         set {
  92                                 if (value != password_char) {
  93                                         password_char = value;
  94                                         if (!multiline) {
  95                                                 document.PasswordChar = value.ToString();
  96                                         } else {
  97                                                 document.PasswordChar = "";
  98                                         }
  99                                 }
 100                         }
 101                 }
 102
 103                 [DefaultValue(ScrollBars.None)]
 104                 [Localizable(true)]
 105                 public ScrollBars ScrollBars {
 106                         get {
 107                                 return (ScrollBars)scrollbars;
 108                         }
 109
 110                         set {
 111                                 if (value != (ScrollBars)scrollbars) {
 112                                         scrollbars = (RichTextBoxScrollBars)value;
 113                                         base.CalculateScrollBars();
 114                                 }
 115                         }
 116                 }
 117
 118                 [Browsable(false)]
 119                 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
 120                 public override int SelectionLength {
 121                         get {
 122                                 return base.SelectionLength;
 123                         }
 124                         set {
 125                                 base.SelectionLength = value;
 126                         }
 127                 }
 128
 129
 130                 public override string Text {
 131                         get {
 132                                 return base.Text;
 133                         }
 134
 135                         set {
 136                                 base.Text = value;
 137                         }
 138                 }
 139
 140                 [DefaultValue(HorizontalAlignment.Left)]
 141                 [Localizable(true)]
 142                 public HorizontalAlignment TextAlign {
 143                         get {
 144                                 return alignment;
 145                         }
 146
 147                         set {
 148                                 if (value != alignment) {
 149                                         alignment = value;
 150
 151                                         // MS word-wraps if alignment isn't left
 152                                         if (multiline) {
 153                                                 if (alignment != HorizontalAlignment.Left) {
 154                                                         document.Wrap = true;
 155                                                 } else {
 156                                                         document.Wrap = word_wrap;
 157                                                 }
 158                                         }
 159
 160                                         for (int i = 1; i <= document.Lines; i++) {
 161                                                 document.GetLine(i).Alignment = value;
 162                                         }
 163                                         document.RecalculateDocument(CreateGraphics());
 164                                         OnTextAlignChanged(EventArgs.Empty);
 165                                 }
 166                         }
 167                 }
 168                 #endregion      // Public Instance Properties
 169
 170                 #region Protected Instance Methods
 171                 protected override CreateParams CreateParams {
 172                         get {
 173                                 return base.CreateParams;
 174                         }
 175                 }
 176
 177                 protected override ImeMode DefaultImeMode {
 178                         get {
 179                                 return base.DefaultImeMode;
 180                         }
 181                 }
 182                 #endregion      // Protected Instance Methods
 183
 184                 #region Protected Instance Methods
 185                 protected override bool IsInputKey(Keys keyData) {
 186                         return base.IsInputKey (keyData);
 187                 }
 188
 189                 protected override void OnGotFocus(EventArgs e) {
 190                         has_focus=true;
 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 }