C++ (Cpp) QgsDockWidget::setAllowedAreas Examples

Example #1

File: qgstilescalewidget.cpp Project: exlimit/QGIS

void QgsTileScaleWidget::showTileScale( QMainWindow *mainWindow )
{
  QgsDockWidget *dock = mainWindow->findChild<QgsDockWidget *>( QStringLiteral( "theTileScaleDock" ) );
  if ( dock )
  {
    dock->setVisible( dock->isHidden() );
    return;
  }

  QgsMapCanvas *canvas = mainWindow->findChild<QgsMapCanvas *>( QStringLiteral( "theMapCanvas" ) );
  QgsDebugMsg( QString( "canvas:%1 [%2]" ).arg( ( quint64 ) canvas, 0, 16 ).arg( canvas ? canvas->objectName() : "" ) );
  if ( !canvas )
  {
    QgsDebugMsg( "map canvas mapCanvas not found" );
    return;
  }

  QgsTileScaleWidget *tws = new QgsTileScaleWidget( canvas );
  tws->setObjectName( QStringLiteral( "theTileScaleWidget" ) );

  QgsLayerTreeView *legend = mainWindow->findChild<QgsLayerTreeView *>( QStringLiteral( "theLayerTreeView" ) );
  if ( legend )
  {
    connect( legend, &QgsLayerTreeView::currentLayerChanged,
             tws, &QgsTileScaleWidget::layerChanged );
  }
  else
  {
    QgsDebugMsg( "legend not found" );
  }

  //create the dock widget
  dock = new QgsDockWidget( tr( "Tile Scale Panel" ), mainWindow );
  dock->setObjectName( QStringLiteral( "theTileScaleDock" ) );
  dock->setAllowedAreas( Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea );
  mainWindow->addDockWidget( Qt::RightDockWidgetArea, dock );

  // add to the Panel submenu
  QMenu *panelMenu = mainWindow->findChild<QMenu *>( QStringLiteral( "mPanelMenu" ) );
  if ( panelMenu )
  {
    // add to the Panel submenu
    panelMenu->addAction( dock->toggleViewAction() );
  }
  else
  {
    QgsDebugMsg( "panel menu not found" );
  }

  dock->setWidget( tws );

  connect( dock, &QDockWidget::visibilityChanged, tws, &QgsTileScaleWidget::scaleEnabled );

  QgsSettings settings;
  dock->setVisible( settings.value( QStringLiteral( "UI/tileScaleEnabled" ), false ).toBool() );
}