C++ (Cpp) crsChanged Examples

Example #1

File: qgsprojectionselectionwidget.cpp Project: PeterTFS/QGIS

void QgsProjectionSelectionWidget::comboIndexChanged( int idx )
{
  switch (( CrsOption )mCrsComboBox->itemData( idx ).toInt() )
  {
    case QgsProjectionSelectionWidget::LayerCrs:
      emit crsChanged( mLayerCrs );
      return;
    case QgsProjectionSelectionWidget::ProjectCrs:
      emit crsChanged( mProjectCrs );
      return;
    case QgsProjectionSelectionWidget::CurrentCrs:
      emit crsChanged( mCrs );
      return;
    case QgsProjectionSelectionWidget::DefaultCrs:
      emit crsChanged( mDefaultCrs );
      return;
    case QgsProjectionSelectionWidget::RecentCrs:
    {
      long srsid = mCrsComboBox->itemData( idx, Qt::UserRole + 1 ).toLongLong();
      QgsCoordinateReferenceSystem crs;
      crs.createFromSrsId( srsid );
      emit crsChanged( crs );
      return;
    }
  }
}

Example #2

File: qgsprojectionselectionwidget.cpp Project: alexbruy/QGIS

void QgsProjectionSelectionWidget::setCrs( const QgsCoordinateReferenceSystem &crs )
{
  if ( crs.isValid() )
  {
    if ( !optionVisible( QgsProjectionSelectionWidget::CurrentCrs ) )
      setOptionVisible( QgsProjectionSelectionWidget::CurrentCrs, true );
    mCrsComboBox->setItemText( mCrsComboBox->findData( QgsProjectionSelectionWidget::CurrentCrs ),
                               crsOptionText( crs ) );
    mCrsComboBox->blockSignals( true );
    mCrsComboBox->setCurrentIndex( mCrsComboBox->findData( QgsProjectionSelectionWidget::CurrentCrs ) );
    mCrsComboBox->blockSignals( false );
  }
  else
  {
    int crsNotSetIndex = mCrsComboBox->findData( QgsProjectionSelectionWidget::CrsNotSet );
    if ( crsNotSetIndex >= 0 )
    {
      mCrsComboBox->blockSignals( true );
      mCrsComboBox->setCurrentIndex( crsNotSetIndex );
      mCrsComboBox->blockSignals( false );
    }
    else
    {
      mCrsComboBox->setItemText( mCrsComboBox->findData( QgsProjectionSelectionWidget::CurrentCrs ),
                                 crsOptionText( crs ) );
    }
  }
  if ( mCrs != crs )
  {
    mCrs = crs;
    emit crsChanged( crs );
  }
}

Example #3

File: qgsprojectionselectionwidget.cpp Project: PeterTFS/QGIS

void QgsProjectionSelectionWidget::selectCrs()
{
  //find out crs id of current proj4 string
  if ( mCrs.isValid() )
  {
    mDialog->setSelectedCrsId( mCrs.srsid() );
  }

  if ( mDialog->exec() )
  {
    mCrsComboBox->blockSignals( true );
    mCrsComboBox->setCurrentIndex( mCrsComboBox->findData( QgsProjectionSelectionWidget::CurrentCrs ) );
    mCrsComboBox->blockSignals( false );
    QgsCoordinateReferenceSystem crs;
    crs.createFromOgcWmsCrs( mDialog->selectedAuthId() );
    setCrs( crs );
    emit crsChanged( crs );
  }
  else
  {
    QApplication::restoreOverrideCursor();
  }
}

Example #4

File: qgsprojectionselectionwidget.cpp Project: alexbruy/QGIS

void QgsProjectionSelectionWidget::selectCrs()
{
  //find out crs id of current proj4 string
  QgsProjectionSelectionDialog dlg( this );
  dlg.setMessage( mMessage );
  if ( mCrs.isValid() )
  {
    dlg.setCrs( mCrs );
  }

  if ( dlg.exec() )
  {
    mCrsComboBox->blockSignals( true );
    mCrsComboBox->setCurrentIndex( mCrsComboBox->findData( QgsProjectionSelectionWidget::CurrentCrs ) );
    mCrsComboBox->blockSignals( false );
    QgsCoordinateReferenceSystem crs = dlg.crs();
    setCrs( crs );
    emit crsChanged( crs );
  }
  else
  {
    QApplication::restoreOverrideCursor();
  }
}