C++ (Cpp) layerStyleOverridesChanged示例

示例#1

文件： qgsmapcanvas.cpp 项目： stevenmizuno/QGIS

void QgsMapCanvas::setLayerStyleOverrides( const QMap<QString, QString>& overrides )
{
  if ( overrides == mSettings.layerStyleOverrides() )
    return;

  mSettings.setLayerStyleOverrides( overrides );
  emit layerStyleOverridesChanged();
}

示例#2

文件： qgscomposerlegend.cpp 项目： Gustry/QGIS

void QgsComposerLegend::setComposerMap( const QgsComposerMap* map )
{
  if ( mComposerMap )
  {
    disconnect( mComposerMap, SIGNAL( destroyed( QObject* ) ), this, SLOT( invalidateCurrentMap() ) );
    disconnect( mComposerMap, SIGNAL( itemChanged() ), this, SLOT( updateFilterByMap() ) );
    disconnect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( updateFilterByMap() ) );
    disconnect( mComposerMap, SIGNAL( layerStyleOverridesChanged() ), this, SLOT( mapLayerStyleOverridesChanged() ) );
  }

  mComposerMap = map;

  if ( map )
  {
    QObject::connect( map, SIGNAL( destroyed( QObject* ) ), this, SLOT( invalidateCurrentMap() ) );
    QObject::connect( map, SIGNAL( itemChanged() ), this, SLOT( updateFilterByMap() ) );
    QObject::connect( map, SIGNAL( extentChanged() ), this, SLOT( updateFilterByMap() ) );
    QObject::connect( map, SIGNAL( layerStyleOverridesChanged() ), this, SLOT( mapLayerStyleOverridesChanged() ) );
  }

  updateItem();
}