[editorKeysounds] New menu to test.

src/ScreenEdit.cpp

@@ -605,7 +605,9 @@ static MenuDef g_AreaMenu(
 	  MenuRowDef(ScreenEdit::last_second_at_beat,	"Designate last second at current beat", true, EditMode_Full, true, true, 0, NULL ),
 	MenuRowDef( ScreenEdit::undo,			"Undo",					true, EditMode_Practice, true, true, 0, NULL ),
 	MenuRowDef(ScreenEdit::clear_clipboard,		"Clear clipboard",			true,
-	     EditMode_Practice, true, true, 0, NULL )
+	     EditMode_Practice, true, true, 0, NULL ),
+	MenuRowDef(ScreenEdit::modify_keysounds_at_row, "Modify Keysounds at current beat",
+			   true, EditMode_Full, true, true, 0, NULL)
 			  
 );
 
@@ -4463,6 +4465,11 @@ void ScreenEdit::HandleAreaMenuChoice( AreaMenuChoice c, const vector<int> &iAns
 			m_Clipboard.ClearAll();
 			break;
 		}
+		case modify_keysounds_at_row:
+		{
+			// Nothing yet.
+			break;
+		}
 	};
 
 	if( bSaveUndo )

src/ScreenEdit.h

@@ -435,6 +435,7 @@ public:
 		last_second_at_beat,
 		undo,
 		clear_clipboard, /**< Clear the clipboards. */
+		modify_keysounds_at_row, /**< Modify the keysounds at this row. */
 		NUM_AREA_MENU_CHOICES
 	};
 	void HandleAlterMenuChoice(AlterMenuChoice c,