Changeset 2673 for trunk/sources/HeuristicLab.CodeEditor/3.2

Timestamp:

01/22/10 14:38:15 (14 years ago)

Author:

epitzer

Message:

use SharpDevelop's TextArea.KeyEventHandler to prevent editing before Prefix and after Suffix (#842)

File:

• trunk/sources/HeuristicLab.CodeEditor/3.2/CodeEditor.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.CodeEditor/3.2/CodeEditor.cs

@@ -169 +169 @@
         return;
 
-      textEditor.ActiveTextAreaControl.TextArea.KeyDown += new System.Windows.Forms.KeyEventHandler(TextArea_KeyDown);
+      textEditor.ActiveTextAreaControl.TextArea.KeyEventHandler += new ICSharpCode.TextEditor.KeyEventHandler(TextArea_KeyEventHandler);
       textEditor.ActiveTextAreaControl.TextArea.DoProcessDialogKey += new DialogKeyProcessor(TextArea_DoProcessDialogKey);
 
@@ -191 +191 @@
     }
 
-    void TextArea_KeyDown(object sender, KeyEventArgs e) {
-      int caretOffset = textEditor.ActiveTextAreaControl.Caret.Offset;
-      if (caretOffset == 0 || caretOffset == Doc.TextLength)
-        e.Handled = true;
+    #region keyboard handlers: filter input in read-only areas
+
+    bool TextArea_KeyEventHandler(char ch) {
+      int caret = textEditor.ActiveTextAreaControl.Caret.Offset;
+      return caret < prefix.Length || caret > Doc.TextLength - suffix.Length;
     }
 
@@ -207 +208 @@
       return false;
     }
+
+    #endregion
 
     public void ScrollAfterPrefix() {