Fix compilation/use correct data type for qt_lastx,y.

Change-Id: I6fdc8dcfb19d7498a1eb8013f75113537ce7a213
Reviewed-on: http://codereview.qt.nokia.com/3594
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

src/gui/kernel/qcursor_qpa.cpp

@@ -42,6 +42,7 @@
 #include <qcursor.h>
 #include <private/qcursor_p.h>
 #include <qplatformcursor_qpa.h>
+#include <private/qguiapplication_p.h>
 #include <qbitmap.h>
 
 QT_BEGIN_NAMESPACE
@@ -108,11 +109,9 @@ void QCursorData::update()
 
 #endif //QT_NO_CURSOR
 
-extern qreal qt_last_x,qt_last_y;
-
 QPoint QCursor::pos()
 {
-    return QPointF(qt_last_x, qt_last_y).toPoint();
+    return QGuiApplicationPrivate::lastCursorPosition.toPoint();
 }
 
 void QCursor::setPos(int x, int y)

src/gui/kernel/qguiapplication.cpp

@@ -84,6 +84,7 @@ Qt::KeyboardModifiers QGuiApplicationPrivate::modifier_buttons = Qt::NoModifier;
 
 int QGuiApplicationPrivate::keyboard_input_time = 400;
 int QGuiApplicationPrivate::mouse_double_click_time = 400;
+QPointF QGuiApplicationPrivate::lastCursorPosition(0.0, 0.0);
 
 QPlatformIntegration *QGuiApplicationPrivate::platform_integration = 0;
 
@@ -91,9 +92,6 @@ bool QGuiApplicationPrivate::app_do_modal = false;
 
 QPalette *QGuiApplicationPrivate::app_pal = 0;        // default application palette
 
-qreal qt_last_x = 0;
-qreal qt_last_y = 0;
-
 Qt::MouseButtons QGuiApplicationPrivate::buttons = Qt::NoButton;
 ulong QGuiApplicationPrivate::mousePressTime = 0;
 Qt::MouseButton QGuiApplicationPrivate::mousePressButton = Qt::NoButton;
@@ -554,7 +552,7 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
     QEvent::Type type;
     // move first
     Qt::MouseButtons stateChange = e->buttons ^ buttons;
-    if (e->globalPos != QPointF(qt_last_x, qt_last_y) && (stateChange != Qt::NoButton)) {
+    if (e->globalPos != QGuiApplicationPrivate::lastCursorPosition && (stateChange != Qt::NoButton)) {
         QWindowSystemInterfacePrivate::MouseEvent * newMouseEvent =
                 new QWindowSystemInterfacePrivate::MouseEvent(e->window.data(), e->timestamp, e->localPos, e->globalPos, e->buttons);
         QWindowSystemInterfacePrivate::windowSystemEventQueue.prepend(newMouseEvent); // just in case the move triggers a new event loop
@@ -568,10 +566,9 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
 
     Qt::MouseButton button = Qt::NoButton;
 
-    if (qt_last_x != globalPoint.x() || qt_last_y != globalPoint.y()) {
+    if (QGuiApplicationPrivate::lastCursorPosition != globalPoint) {
         type = QEvent::MouseMove;
-        qt_last_x = globalPoint.x();
-        qt_last_y = globalPoint.y();
+        QGuiApplicationPrivate::lastCursorPosition = globalPoint;
         if (qAbs(globalPoint.x() - mousePressX) > mouse_double_click_distance||
             qAbs(globalPoint.y() - mousePressY) > mouse_double_click_distance)
             mousePressButton = Qt::NoButton;
@@ -599,8 +596,9 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
                 type = QEvent::MouseButtonPress;
                 mousePressTime = e->timestamp;
                 mousePressButton = button;
-                mousePressX = qt_last_x;
-                mousePressY = qt_last_y;
+                const QPoint point = QGuiApplicationPrivate::lastCursorPosition.toPoint();
+                mousePressX = point.x();
+                mousePressY = point.y();
             }
         }
         else
@@ -630,9 +628,7 @@ void QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::Wh
         return;
 
     QPointF globalPoint = e->globalPos;
-
-    qt_last_x = globalPoint.x();
-    qt_last_y = globalPoint.y();
+    QGuiApplicationPrivate::lastCursorPosition = globalPoint;
 
     QWindow *window = e->window.data();
 

src/gui/kernel/qguiapplication_p.h

@@ -44,6 +44,7 @@
 
 #include <QtGui/qguiapplication.h>
 
+#include <QtCore/QPointF>
 #include <QtCore/private/qcoreapplication_p.h>
 
 #include <QtCore/private/qthread_p.h>
@@ -156,6 +157,7 @@ public:
     static int mousePressX;
     static int mousePressY;
     static int mouse_double_click_distance;
+    static QPointF lastCursorPosition;
 
 #ifndef QT_NO_CLIPBOARD
     static QClipboard *qt_clipboard;

src/gui/kernel/qplatformcursor_qpa.cpp

@@ -43,6 +43,7 @@
 #include <QPainter>
 #include <QBitmap>
 #include <QGuiApplication>
+#include <private/qguiapplication_p.h>
 
 #include <QDebug>
 
@@ -98,13 +99,10 @@ QPlatformCursor::QPlatformCursor(QPlatformScreen *scr )
     QPlatformCursorPrivate::instances.append(this);
 }
 
-extern int qt_last_x;
-extern int qt_last_y;
-
 QPoint QPlatformCursor::pos() const
 {
     // As a fallback return the last mouse position seen by QGuiApplication.
-    return QPoint(qt_last_x, qt_last_y);
+    return QGuiApplicationPrivate::lastCursorPosition.toPoint();
 }
 
 void QPlatformCursor::setPos(const QPoint &pos)