C++ (Cpp) setSnapLinePosition示例

示例#1

void QgsComposerRuler::mouseMoveEvent( QMouseEvent* event )
{
    //qWarning( "QgsComposerRuler::mouseMoveEvent" );
    updateMarker( event->posF() );
    setSnapLinePosition( event->posF() );

    //update cursor position in status bar
    QPointF displayPos = mTransform.inverted().map( event->posF() );
    if ( mDirection == Horizontal )
    {
        //mouse is over a horizontal ruler, so don't show a y coordinate
        displayPos.setY( 0 );
    }
    else
    {
        //mouse is over a vertical ruler, so don't show an x coordinate
        displayPos.setX( 0 );
    }
    emit cursorPosChanged( displayPos );
}

示例#2

文件： qgscomposerruler.cpp 项目： Adam-Brown/Quantum-GIS

void QgsComposerRuler::mouseMoveEvent( QMouseEvent* event )
{
  //qWarning( "QgsComposerRuler::mouseMoveEvent" );
  updateMarker( event->posF() );
  setSnapLinePosition( event->posF() );
}