C++ (Cpp) updateVertexMarkersPositionの例

コード例 #1

ファイル: qgsselectedfeature.cpp プロジェクト: Nald/Quantum-GIS

void QgsSelectedFeature::setSelectedFeature( QgsFeatureId featureId, QgsVectorLayer* vlayer, QgsMapCanvas* canvas )
{
  mFeatureId = featureId;
  mVlayer = vlayer;
  mCanvas = canvas;

  delete mRubberBand;
  mRubberBand = 0;

  delete mGeometry;
  mGeometry = 0;

  // signal changing of current layer
  connect( QgisApp::instance()->legend(), SIGNAL( currentLayerChanged( QgsMapLayer* ) ), this, SLOT( currentLayerChanged( QgsMapLayer* ) ) );

  // feature was deleted
  connect( mVlayer, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SLOT( featureDeleted( QgsFeatureId ) ) );

  // projection or extents changed
  connect( canvas->mapRenderer(), SIGNAL( destinationSrsChanged() ), this, SLOT( updateVertexMarkersPosition() ) );
  connect( canvas, SIGNAL( extentsChanged() ), this, SLOT( updateVertexMarkersPosition() ) );

  // geometry was changed
  connect( mVlayer, SIGNAL( geometryChanged( QgsFeatureId, QgsGeometry & ) ), this, SLOT( geometryChanged( QgsFeatureId, QgsGeometry & ) ) );

  replaceVertexMap();
}

コード例 #2

ファイル: qgsselectedfeature.cpp プロジェクト: HeatherHillers/QGIS

void QgsSelectedFeature::setSelectedFeature( QgsFeatureId featureId, QgsVectorLayer* vlayer, QgsMapCanvas* canvas )
{
  mFeatureId = featureId;
  mVlayer = vlayer;
  mCanvas = canvas;

  delete mGeometry;
  mGeometry = nullptr;

  // signal changing of current layer
  connect( QgisApp::instance()->layerTreeView(), SIGNAL( currentLayerChanged( QgsMapLayer* ) ), this, SLOT( currentLayerChanged( QgsMapLayer* ) ) );

  // feature was deleted
  connect( mVlayer, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SLOT( featureDeleted( QgsFeatureId ) ) );

  // rolling back
  connect( mVlayer, SIGNAL( beforeRollBack() ), this, SLOT( beforeRollBack() ) );

  // projection or extents changed
  connect( canvas, SIGNAL( destinationCrsChanged() ), this, SLOT( updateVertexMarkersPosition() ) );
  connect( canvas, SIGNAL( extentsChanged() ), this, SLOT( updateVertexMarkersPosition() ) );

  // geometry was changed
  connect( mVlayer, SIGNAL( geometryChanged( QgsFeatureId, QgsGeometry & ) ), this, SLOT( geometryChanged( QgsFeatureId, QgsGeometry & ) ) );

  replaceVertexMap();
}