//! mouse pressed in map canvas
void QgsGrassRegionEdit::canvasPressEvent( QgsMapMouseEvent * event )
{
mDraw = true;
mRubberBand->reset( QgsWkbTypes::PolygonGeometry );
mSrcRubberBand->reset( QgsWkbTypes::PolygonGeometry );
emit captureStarted();
mStartPoint = toMapCoordinates( event->pos() );
mEndPoint = mStartPoint;
setRegion( mStartPoint, mEndPoint );
}
//! mouse pressed in map canvas
void QgsGrassRegionEdit::canvasPressEvent( QMouseEvent * event )
{
QgsDebugMsg( "entered." );
mDraw = true;
mRubberBand->reset( true );
mSrcRubberBand->reset( true );
emit captureStarted();
mStartPoint = toMapCoordinates( event->pos() );
mEndPoint = mStartPoint;
setRegion( mStartPoint, mEndPoint );
}
QgsGrassRegion::QgsGrassRegion( QgsGrassPlugin *plugin, QgisInterface *iface,
QWidget * parent, Qt::WFlags f )
: QDialog( parent, f ), QgsGrassRegionBase( )
{
QgsDebugMsg( "QgsGrassRegion()" );
setupUi( this );
setAttribute( Qt::WA_DeleteOnClose );
connect( buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
connect( buttonBox, SIGNAL( rejected() ), this, SLOT( reject() ) );
mPlugin = plugin;
mInterface = iface;
mCanvas = mInterface->mapCanvas();
restorePosition();
mUpdatingGui = false;
// Set input validators
QDoubleValidator *dv = new QDoubleValidator( 0 );
QIntValidator *iv = new QIntValidator( 0 );
mNorth->setValidator( dv );
mSouth->setValidator( dv );
mEast->setValidator( dv );
mWest->setValidator( dv );
mNSRes->setValidator( dv );
mEWRes->setValidator( dv );
mRows->setValidator( iv );
mCols->setValidator( iv );
// Group radio buttons
mRadioGroup = new QButtonGroup();
mRadioGroup->addButton( mCellResRadio );
mRadioGroup->addButton( mRowsColsRadio );
mCellResRadio->setChecked( true );
radioChanged();
connect( mRadioGroup, SIGNAL( buttonClicked( int ) ), this, SLOT( radioChanged() ) );
// Set values to current region
QString gisdbase = QgsGrass::getDefaultGisdbase();
QString location = QgsGrass::getDefaultLocation();
QString mapset = QgsGrass::getDefaultMapset();
if ( gisdbase.isEmpty() || location.isEmpty() || mapset.isEmpty() )
{
QMessageBox::warning( 0, tr( "Warning" ),
tr( "GISDBASE, LOCATION_NAME or MAPSET is not set, cannot display current region." ) );
}
QgsGrass::setLocation( gisdbase, location );
char *err = G__get_window( &mWindow, ( char * ) "", ( char * ) "WIND", mapset.toLatin1().data() );
if ( err )
{
QMessageBox::warning( 0, tr( "Warning" ), tr( "Cannot read current region: %1" ).arg( QString::fromUtf8( err ) ) );
return;
}
mRegionEdit = new QgsGrassRegionEdit( mCanvas );
connect( mRegionEdit, SIGNAL( captureStarted() ), this, SLOT( hide() ) );
connect( mRegionEdit, SIGNAL( captureEnded() ), this, SLOT( onCaptureFinished() ) );
mCanvas->setMapTool( mRegionEdit );
refreshGui();
connect( mCanvas, SIGNAL( renderComplete( QPainter * ) ), this, SLOT( postRender( QPainter * ) ) );
// Connect entries
connect( mNorth, SIGNAL( editingFinished() ), this, SLOT( northChanged() ) );
connect( mSouth, SIGNAL( editingFinished() ), this, SLOT( southChanged() ) );
connect( mEast, SIGNAL( editingFinished() ), this, SLOT( eastChanged() ) );
connect( mWest, SIGNAL( editingFinished() ), this, SLOT( westChanged() ) );
connect( mNSRes, SIGNAL( editingFinished() ), this, SLOT( NSResChanged() ) );
connect( mEWRes, SIGNAL( editingFinished() ), this, SLOT( EWResChanged() ) );
connect( mRows, SIGNAL( editingFinished() ), this, SLOT( rowsChanged() ) );
connect( mCols, SIGNAL( editingFinished() ), this, SLOT( colsChanged() ) );
// Symbology
QPen pen = mPlugin->regionPen();
mColorButton->setColor( pen.color() );
connect( mColorButton, SIGNAL( clicked() ), this, SLOT( changeColor() ) );
mWidthSpinBox->setValue( pen.width() );
connect( mWidthSpinBox, SIGNAL( valueChanged( int ) ), this, SLOT( changeWidth() ) );
}