Monochrome — Ctrl+Backspace/Ctrl+Delete key support

InputBox.diff

*** InputBoxOriginal.cs	Thu May 22 14:19:10 2008
--- InputBox.cs	Sun Dec 11 05:44:10 2011
***************
*** 6,11 ****
--- 6,12 ----
  using System.Text;
  using System.Windows.Forms;
  using IRCUtils;
+ using System.Text.RegularExpressions;
  
  namespace monochrome
  {
***************
*** 47,53 ****
--- 48,98 ----
                              e.Handled = true;
                          }
                          break;
+                     case Keys.Back:
+                         if (ModifierKeys == Keys.Control) {
+                             if (SelectionLength != 0) {
+                                 Paste("");
+                             } else {
+                                 RemovePreviousWord();
+                             }
+                             e.Handled = true;
+                             e.SuppressKeyPress = true;
+                         }
+                         break;
+                     case Keys.Delete:
+                         if (ModifierKeys == Keys.Control) {
+                             if (SelectionLength != 0) {
+                                 Paste("");
+                             } else {
+                                 RemoveNextWord();
+                             }
+                             e.Handled = true;
+                             e.SuppressKeyPress = true;
+                         }
+                         break;
                  }
+             }
+         }
+ 
+         private static Regex previousWordPattern = new Regex(@"(?:\w*|[^\w\s]*)\s*$");
+         private void RemovePreviousWord()
+         {
+             if (SelectionStart > 0) {
+                 String beginning = Text.Substring(0, SelectionStart);
+                 int matched = previousWordPattern.Match(beginning).Length;
+                 SelectionStart -= matched;
+                 SelectionLength = matched;
+                 Paste("");
+             }
+         }
+ 
+         private static Regex nextWordPattern = new Regex(@"^\s*(?:\w+|[^\w\s]+)");
+         private void RemoveNextWord()
+         {
+             String end = Text.Substring(SelectionStart);
+             if (end.Length > 0) {
+                 SelectionLength = nextWordPattern.Match(end).Length;
+                 Paste("");
              }
          }