Add support for backtab character.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@31026 72102866-910b-0410-8b05-ffd578937521

Source/NSInputManager.m

@@ -39,7 +39,7 @@
 
 /* A table mapping character names to characters, used to interpret
    the character names found in KeyBindings dictionaries.  */
-#define CHARACTER_TABLE_SIZE 77
+#define CHARACTER_TABLE_SIZE 78
 
 static struct 
 {
@@ -125,6 +125,7 @@ character_table[CHARACTER_TABLE_SIZE] =
   /* Special characters by name.  Useful if you want, for example,
      to associate some special action to C-Tab or similar evils.  */
   { @"Backspace", NSBackspaceCharacter },
+  { @"BackTab", NSBackTabCharacter },
   { @"Tab", NSTabCharacter },
   { @"Enter", NSEnterCharacter },
   { @"FormFeed", NSFormFeedCharacter },
@@ -654,6 +655,10 @@ static NSInputManager *currentInputManager = nil;
           [self doCommandBySelector: @selector (cancelOperation:)];
           break;
 
+        case NSBackTabCharacter:
+          [self doCommandBySelector: @selector (insertBacktab:)];
+          break;
+
         case NSTabCharacter:
           if (flags & NSShiftKeyMask)
             {