Enable window dragging code in QToolBar on Mac

Allows moving the window by dragging the unified
title and toolbar area.

Task-number: QTBUG-34411
Change-Id: Idd85c0031895b5afd7dfdc8616e4452c47935af2
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>

src/widgets/widgets/qtoolbar.cpp

@@ -272,7 +272,7 @@ bool QToolBarPrivate::mousePressEvent(QMouseEvent *event)
     QStyleOptionToolBar opt;
     q->initStyleOption(&opt);
     if (q->style()->subElementRect(QStyle::SE_ToolBarHandle, &opt, q).contains(event->pos()) == false) {
-#ifdef Q_WS_MAC
+#ifdef Q_OS_OSX
         // When using the unified toolbar on Mac OS X, the user can click and
         // drag between toolbar contents to move the window. Make this work by
         // implementing the standard mouse-dragging code and then call
@@ -306,7 +306,7 @@ bool QToolBarPrivate::mouseReleaseEvent(QMouseEvent*)
         endDrag();
         return true;
     } else {
-#ifdef Q_WS_MAC
+#ifdef Q_OS_OSX
         if (!macWindowDragging)
             return false;
         macWindowDragging = false;
@@ -322,7 +322,7 @@ bool QToolBarPrivate::mouseMoveEvent(QMouseEvent *event)
     Q_Q(QToolBar);
 
     if (!state) {
-#ifdef Q_WS_MAC
+#ifdef Q_OS_OSX
         if (!macWindowDragging)
             return false;
         QWidget *w = q->window();

src/widgets/widgets/qtoolbar_p.h

@@ -75,7 +75,7 @@ public:
           allowedAreas(Qt::AllToolBarAreas), orientation(Qt::Horizontal),
           toolButtonStyle(Qt::ToolButtonIconOnly),
           layout(0), state(0)
-#ifdef Q_WS_MAC
+#ifdef Q_OS_OSX
         , macWindowDragging(false)
 #endif
     { }
@@ -107,7 +107,7 @@ public:
     };
     DragState *state;
 
-#ifdef Q_WS_MAC
+#ifdef Q_OS_OSX
     bool macWindowDragging;
     QPoint macWindowDragPressPosition;
 #endif