Qt4: Allow clicking anywhere in menus

Instead of requiring clicking on the checkbox, allow clicking
anywhere in a selectable line to select it.

win/Qt4/qt4menu.cpp

@@ -132,6 +132,7 @@ NetHackQtMenuWindow::NetHackQtMenuWindow(QWidget *parent) :
     grid->setRowStretch(2, 1);
     setFocusPolicy(Qt::StrongFocus);
     table->setFocusPolicy(Qt::NoFocus);
+    connect(table, SIGNAL(cellClicked(int,int)), this, SLOT(cellToggleSelect(int,int)));
 
     setLayout(grid);
 }
@@ -560,6 +561,11 @@ void NetHackQtMenuWindow::ToggleSelect(int i)
     }
 }
 
+void NetHackQtMenuWindow::cellToggleSelect(int i, int j)
+{
+    ToggleSelect(i);
+}
+
 void NetHackQtMenuWindow::DoSelection(bool)
 {
     if (how == PICK_ONE) {

win/Qt4/qt4menu.h

@@ -66,6 +66,7 @@ public slots:
 	void Search();
 
 	void ToggleSelect(int);
+        void cellToggleSelect(int, int);
 	void DoSelection(bool);
 
 protected: