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Lts/Viewer/SituationMap/Rubberbands/rubberband_handle_proxy.cpp

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+
+/**
+**
+** @RDE_HEADER@
+** Implementation of class RubberbandHandleProxy to forward adjust signals from view
+** $Id$
+** $HeadURL$
+** $Author$
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Hardware-Environment: Intel-PC
+** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
+**
+** Language ........: C++ 11
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Author ...........: Jörg Turla, SPD G, Tel. 3132
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Notes .........:
+**
+**   10.07.2015, JT  : First edition for use with Qt5
+**
+** -----------------------------------------------------------------------------------------------
+*/
+
+#include "rubberband_handle_proxy.h"
+
+#include <MathUtils/math_const.h>
+
+#include <QtCore/QRectF>
+
+#define BUG_iOSQz_000005
+
+
+namespace SituationMap { namespace RB
+{
+
+    void RubberbandHandleProxy::init( QWidget * widget )
+    {
+      zBufferPlane( ZBufferPlane::Widget );
+
+      _widgetsProxy  = new QGraphicsProxyWidget();
+      _widgetsProxy -> setWidget( widget );
+      _widgetsProxy -> setZValue( _zBufferValue );
+
+#ifdef BUG_iOSQz_000005
+      // Bug iOSQz-000005 'QGraphicsProxyWidget will crash'
+      // Adding a widget will let the application crash
+      // Workaround: 'proxy->setOpacity(0.99);'
+
+      _widgetsProxy->setOpacity(0.99);
+#endif
+
+      _scene->addItem( _widgetsProxy );
+
+    } /* RubberbandHandleProxy::init */
+
+
+    RubberbandHandleProxy::RubberbandHandleProxy( QGraphicsView * view, QWidget * widget )
+      : RubberbandHandle(view)
+      , _coordinate()
+      , _sceneOffset(0, 0)
+      , _rotateSceneOffset(true)
+      , _restoreView(view)
+    {
+      init( widget );
+    } /* RubberbandHandleProxy::RubberbandHandleProxy */
+
+
+    RubberbandHandleProxy::RubberbandHandleProxy( Esri::ArcGISRuntime::MapGraphicsView * view, QWidget * widget )
+      : RubberbandHandle(view)
+      , _coordinate()
+      , _sceneOffset(0, 0)
+      , _rotateSceneOffset(true)
+      , _restoreView(view)
+    {
+      init( widget );
+    } /* RubberbandHandleProxy::RubberbandHandleProxy */
+
+
+    RubberbandHandleProxy::RubberbandHandleProxy( Esri::ArcGISRuntime::MapGraphicsView * view, QGraphicsScene * scene, QWidget * widget )
+      : RubberbandHandle(view, scene)
+      , _coordinate()
+      , _sceneOffset(0, 0)
+      , _rotateSceneOffset(true)
+      , _restoreView(view)
+    {
+      init( widget );
+    } /* RubberbandHandleProxy::RubberbandHandleProxy */
+
+
+    RubberbandHandleProxy::~RubberbandHandleProxy()
+    {
+      if (_scene)
+      {
+        if (_widgetsProxy)
+        {
+           _widgetsProxy->setWidget(nullptr);
+           _scene->removeItem(_widgetsProxy);
+           delete _widgetsProxy;
+        }
+      }
+      _widgetsProxy = nullptr;
+     
+      if (_restoreView && _restoreView->viewport())
+        _restoreView->viewport()->setCursor(_restoreCursor); // workaround Qt bug. remove when fixed
+
+    } /* RubberbandHandleProxy::~RubberbandHandleProxy */
+
+
+    QPointF RubberbandHandleProxy::getRotatedSceneOffset() const
+    {
+       if ((_mapView) && (_rotateSceneOffset))
+       {
+          auto rotate = [](const QPointF & p, qreal sinA, qreal cosA) -> QPointF { return QPointF(p.x()*cosA+p.y()*sinA,p.y()*cosA-p.x()*sinA); };
+
+          qreal mapRotatePhi = _mapView->mapRotation() * MathConst::pi / 180.0;
+
+          qreal sinMap = sin(mapRotatePhi);
+          qreal cosMap = cos(mapRotatePhi);
+
+          return rotate( _sceneOffset, sinMap, cosMap );
+       }
+       else return _sceneOffset;
+    } /* RubberbandHandleProxy::getRotatedSceneOffset */
+
+
+    void RubberbandHandleProxy::setPos(const QPointF & pos)
+    {
+      _coordinate.updateSceneCoordinate( _mapView, pos );
+      if (_widgetsProxy)
+      {
+         _widgetsProxy -> setPos(pos+getRotatedSceneOffset());
+         _widgetsProxy -> setZValue( _zBufferValue );
+      }
+    } /* RubberbandHandleProxy::setPos */
+
+
+    bool RubberbandHandleProxy::isPositionInside( const QPointF & scenePosition ) const
+    {
+       const QRectF & bbox = _widgetsProxy->windowFrameGeometry();
+       return bbox.contains(scenePosition);
+    } /* RubberbandHandleProxy::isPositionInside */
+
+
+    void RubberbandHandleProxy::adjustCoordinates()
+    {
+       const QPointF & scenePosition = _coordinate.mapToScene(_mapView);
+       if (_widgetsProxy)
+       {
+          _widgetsProxy -> setZValue( _zBufferValue );
+          _widgetsProxy -> setPos(scenePosition+getRotatedSceneOffset());
+       }
+       emit adjusted();
+    } /* RubberbandHandleProxy::adjustCoordinates */
+
+
+    void RubberbandHandleProxy::adjustWindow( const QRectF & )
+    {
+       onDo_adjustCoordinates();
+    } /* RubberbandHandleProxy::adjustWindow */
+
+} } /* namespace SituationMap::RB */