#include <QtGui/qevent.h>
#include <QtGui/qguiapplication.h>
#include <QtGui/qstylehints.h>
+#include <qpa/qplatformnativeinterface.h>
#include <float.h>
#include <math.h>
QQuickPinchArea::QQuickPinchArea(QQuickItem *parent)
: QQuickItem(*(new QQuickPinchAreaPrivate), parent)
+ , _currentWindow(0)
{
Q_D(QQuickPinchArea);
d->init();
setAcceptedMouseButtons(Qt::LeftButton);
setFiltersChildMouseEvents(true);
+#ifdef Q_OS_MAC
+ connect(this, &QQuickItem::windowChanged, this, &QQuickPinchArea::setTouchEventsEnabledForWindow);
+#endif
}
QQuickPinchArea::~QQuickPinchArea()
return d->pinch;
}
+void QQuickPinchArea::setTouchEventsEnabledForWindow(QWindow *window)
+{
+#ifdef Q_OS_MAC
+ // Resolve function for enabling touch events from the (cocoa) platform plugin.
+ typedef void (*RegisterTouchWindowFunction)(QWindow *, bool);
+ RegisterTouchWindowFunction registerTouchWindow = reinterpret_cast<RegisterTouchWindowFunction>(
+ QGuiApplication::platformNativeInterface()->nativeResourceFunctionForIntegration("registertouchwindow"));
+ if (!registerTouchWindow)
+ return; // Not necessarily an error, Qt migh be using a different platform plugin.
+
+ // Disable touch on the old window, enable on the new window.
+ if (_currentWindow)
+ registerTouchWindow(_currentWindow, false);
+ if (window)
+ registerTouchWindow(window, true);
+ // Save the current window, setTouchEventsEnabledForWindow will be called
+ // with a null window on disable.
+ _currentWindow = window;
+#endif
+}
+
QT_END_NAMESPACE
const QRectF &oldGeometry);
virtual void itemChange(ItemChange change, const ItemChangeData& value);
+private slots:
+ void setTouchEventsEnabledForWindow(QWindow *window);
+
private:
void updatePinch();
void handlePress();
void handleRelease();
private:
+ QWindow *_currentWindow;
Q_DISABLE_COPY(QQuickPinchArea)
Q_DECLARE_PRIVATE(QQuickPinchArea)
};