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

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