mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
allow numerical input in rotation map tool
* use a combo box to set the angle * allow snapping to angles (directly enabled when shift + click) * uses click-click behavior * rotation anchor is defined on CTRL+click and not on mouse move (TODO: snapping for anchor placement)
This commit is contained in:
Denis Rouzaud
parent
15c1dbc438
commit
96560c89b9
@ -21,34 +21,179 @@
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#include "qgsvectordataprovider.h"
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#include "qgsvectorlayer.h"
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#include "qgstolerance.h"
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#include "qgsvertexmarker.h"
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#include "qgisapp.h"
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#include "qgsspinbox.h"
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#include <QMouseEvent>
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#include <QSettings>
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#include <QDoubleSpinBox>
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#include <QEvent>
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#include <QHBoxLayout>
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#include <QKeyEvent>
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#include <QLabel>
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#include <limits>
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#include <math.h>
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#include "qgsvertexmarker.h"
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#define PI 3.14159265
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QgsAngleMagnetWidget::QgsAngleMagnetWidget( QString label , QWidget *parent )
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: QWidget( parent )
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{
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mLayout = new QHBoxLayout( this );
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mLayout->setContentsMargins( 0, 0, 0, 0 );
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//mLayout->setAlignment( Qt::AlignLeft );
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setLayout( mLayout );
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if ( !label.isNull() )
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{
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QLabel* lbl = new QLabel( label, this );
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lbl->setAlignment( Qt::AlignRight );
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mLayout->addWidget( lbl );
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}
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mAngleSpinBox = new QDoubleSpinBox( this );
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mAngleSpinBox->setMinimum( -360 );
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mAngleSpinBox->setMaximum( 360 );
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mAngleSpinBox->setSuffix( QString::fromUtf8( "°" ) );
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mAngleSpinBox->setSingleStep( 1 );
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mAngleSpinBox->setValue( 0 );
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mLayout->addWidget( mAngleSpinBox );
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mMagnetSpinBox = new QgsSpinBox( this );
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mMagnetSpinBox->setMinimum( 0 );
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mMagnetSpinBox->setMaximum( 180 );
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mMagnetSpinBox->setPrefix( tr( "snapp to " ) );
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mMagnetSpinBox->setSuffix( QString::fromUtf8( "°" ) );
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mMagnetSpinBox->setSingleStep( 15 );
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mMagnetSpinBox->setValue( 0 );
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mMagnetSpinBox->setClearValue( 0, tr( "do not snapp" ) );
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mLayout->addWidget( mMagnetSpinBox );
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// connect signals
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mAngleSpinBox->installEventFilter( this );
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connect( mAngleSpinBox, SIGNAL( valueChanged( double ) ), this, SLOT( angleSpinBoxValueChanged( double ) ) );
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// config focus
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setFocusProxy( mAngleSpinBox );
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}
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QgsAngleMagnetWidget::~QgsAngleMagnetWidget()
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{
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}
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void QgsAngleMagnetWidget::setAngle( double angle )
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{
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const int magnet = mMagnetSpinBox->value();
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if ( magnet )
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{
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mAngleSpinBox->setValue( qRound( angle / magnet ) * magnet );
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}
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else
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{
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mAngleSpinBox->setValue( angle );
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}
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}
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double QgsAngleMagnetWidget::angle()
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{
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return mAngleSpinBox->value();
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}
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void QgsAngleMagnetWidget::setMagnet( int magnet )
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{
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mMagnetSpinBox->setValue( magnet );
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}
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bool QgsAngleMagnetWidget::eventFilter( QObject *obj, QEvent *ev )
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{
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if ( obj == mAngleSpinBox && ev->type() == QEvent::KeyPress )
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{
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QKeyEvent *event = static_cast<QKeyEvent *>( ev );
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if ( event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return )
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{
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emit angleEditingFinished( angle() );
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return true;
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}
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}
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return false;
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}
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void QgsAngleMagnetWidget::angleSpinBoxValueChanged( double angle )
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{
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emit angleChanged( angle );
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}
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QgsMapToolRotateFeature::QgsMapToolRotateFeature( QgsMapCanvas* canvas )
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: QgsMapToolEdit( canvas )
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, mRubberBand( 0 )
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, mRotation( 0 )
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, mRotationOffset( 0 )
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, mAnchorPoint( 0 )
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, mCtrl( false )
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, mRotationActive( false )
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, mRotationBarItem( 0 )
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, mRotationWidget( 0 )
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{
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}
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QgsMapToolRotateFeature::~QgsMapToolRotateFeature()
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{
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deleteRotationWidget();
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delete mAnchorPoint;
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delete mRubberBand;
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deleteRubberband();
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}
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void QgsMapToolRotateFeature::canvasMoveEvent( QMouseEvent * e )
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{
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if ( mCtrl )
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if ( mRotationActive )
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{
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const double XDistance = e->pos().x() - mStPoint.x();
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const double YDistance = e->pos().y() - mStPoint.y();
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double rotation = atan2( YDistance, XDistance ) * ( 180 / PI );
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if ( mRotationWidget )
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{
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mRotationWidget->setAngle( rotation - mRotationOffset );
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mRotationWidget->setFocus( Qt::TabFocusReason );
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}
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else
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{
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updateRubberband( rotation - mRotationOffset );
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}
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}
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}
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void QgsMapToolRotateFeature::canvasReleaseEvent( QMouseEvent * e )
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{
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deleteRotationWidget();
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if ( !mCanvas )
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{
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return;
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}
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QgsVectorLayer* vlayer = currentVectorLayer();
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if ( !vlayer )
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{
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deleteRubberband();
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notifyNotVectorLayer();
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return;
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}
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if ( e->button() == Qt::RightButton )
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{
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deleteRubberband();
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mRotationActive = false;
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return;
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}
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// place anchor point on CTRL + click
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if ( e->modifiers() & Qt::ControlModifier )
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{
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if ( !mAnchorPoint )
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{
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@ -58,147 +203,153 @@ void QgsMapToolRotateFeature::canvasMoveEvent( QMouseEvent * e )
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mStartPointMapCoords = toMapCoordinates( e->pos() );
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mStPoint = e->pos();
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return;
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}
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if ( mRubberBand )
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// Initialize rotation if not yet active
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if ( !mRotationActive )
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{
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double XDistance = e->pos().x() - mStPoint.x();
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double YDistance = e->pos().y() - mStPoint.y();
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mRotation = atan2( YDistance, XDistance ) * ( 180 / PI );
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mRotation = mRotation - mRotationOffset;
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mRotation = 0;
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mRotationOffset = 0;
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deleteRubberband();
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mInitialPos = e->pos();
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if ( !vlayer->isEditable() )
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{
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notifyNotEditableLayer();
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return;
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}
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QgsPoint layerCoords = toLayerCoordinates( vlayer, e->pos() );
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double searchRadius = QgsTolerance::vertexSearchRadius( mCanvas->currentLayer(), mCanvas->mapSettings() );
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QgsRectangle selectRect( layerCoords.x() - searchRadius, layerCoords.y() - searchRadius,
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layerCoords.x() + searchRadius, layerCoords.y() + searchRadius );
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if ( vlayer->selectedFeatureCount() == 0 )
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{
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QgsFeatureIterator fit = vlayer->getFeatures( QgsFeatureRequest().setFilterRect( selectRect ).setSubsetOfAttributes( QgsAttributeList() ) );
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//find the closest feature
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QgsGeometry* pointGeometry = QgsGeometry::fromPoint( layerCoords );
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if ( !pointGeometry )
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{
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return;
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}
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double minDistance = std::numeric_limits<double>::max();
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QgsFeature cf;
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QgsFeature f;
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while ( fit.nextFeature( f ) )
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{
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if ( f.geometry() )
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{
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double currentDistance = pointGeometry->distance( *f.geometry() );
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if ( currentDistance < minDistance )
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{
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minDistance = currentDistance;
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cf = f;
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}
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}
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}
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delete pointGeometry;
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if ( minDistance == std::numeric_limits<double>::max() )
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{
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return;
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}
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QgsRectangle bound = cf.geometry()->boundingBox();
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mStartPointMapCoords = toMapCoordinates( vlayer, bound.center() );
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if ( !mAnchorPoint )
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{
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mAnchorPoint = new QgsVertexMarker( mCanvas );
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}
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mAnchorPoint->setIconType( QgsVertexMarker::ICON_CROSS );
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mAnchorPoint->setCenter( mStartPointMapCoords );
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mStPoint = toCanvasCoordinates( mStartPointMapCoords );
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mRotatedFeatures.clear();
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mRotatedFeatures << cf.id(); //todo: take the closest feature, not the first one...
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mRubberBand = createRubberBand( vlayer->geometryType() );
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mRubberBand->setToGeometry( cf.geometry(), vlayer );
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}
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else
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{
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mRotatedFeatures = vlayer->selectedFeaturesIds();
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mRubberBand = createRubberBand( vlayer->geometryType() );
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QgsFeature feat;
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QgsFeatureIterator it = vlayer->selectedFeaturesIterator();
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while ( it.nextFeature( feat ) )
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{
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mRubberBand->addGeometry( feat.geometry(), vlayer );
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}
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}
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mRubberBand->setColor( QColor( 255, 0, 0, 65 ) );
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mRubberBand->setWidth( 2 );
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mRubberBand->show();
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double XDistance = mInitialPos.x() - mAnchorPoint->x();
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double YDistance = mInitialPos.y() - mAnchorPoint->y() ;
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mRotationOffset = atan2( YDistance, XDistance ) * ( 180 / PI );
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createRotationWidget();
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if ( e->modifiers() & Qt::ShiftModifier )
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{
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if ( mRotationWidget )
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{
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mRotationWidget->setMagnet( 45 );
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}
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}
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mRotationActive = true;
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return;
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}
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applyRotation( mRotation );
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}
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void QgsMapToolRotateFeature::updateRubberband( double rotation )
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{
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if ( mRotationActive )
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{
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mRotation = rotation;
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mStPoint = toCanvasCoordinates( mStartPointMapCoords );
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double offsetX = mStPoint.x() - mRubberBand->x();
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double offsetY = mStPoint.y() - mRubberBand->y();
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mRubberBand->setTransform( QTransform().translate( offsetX, offsetY ).rotate( mRotation ).translate( -1 * offsetX, -1 * offsetY ) );
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mRubberBand->update();
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if ( mRubberBand )
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{
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mRubberBand->setTransform( QTransform().translate( offsetX, offsetY ).rotate( mRotation ).translate( -1 * offsetX, -1 * offsetY ) );
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mRubberBand->update();
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}
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}
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}
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void QgsMapToolRotateFeature::canvasPressEvent( QMouseEvent * e )
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void QgsMapToolRotateFeature::applyRotation( double rotation )
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{
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mRotation = 0;
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if ( mCtrl )
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{
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return;
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}
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delete mRubberBand;
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mRubberBand = 0;
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mInitialPos = e->pos();
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mRotation = rotation;
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mRotationActive = false;
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QgsVectorLayer* vlayer = currentVectorLayer();
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if ( !vlayer )
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{
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deleteRubberband();
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notifyNotVectorLayer();
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return;
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}
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if ( !vlayer->isEditable() )
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{
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notifyNotEditableLayer();
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return;
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}
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QgsPoint layerCoords = toLayerCoordinates( vlayer, e->pos() );
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double searchRadius = QgsTolerance::vertexSearchRadius( mCanvas->currentLayer(), mCanvas->mapSettings() );
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QgsRectangle selectRect( layerCoords.x() - searchRadius, layerCoords.y() - searchRadius,
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layerCoords.x() + searchRadius, layerCoords.y() + searchRadius );
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if ( vlayer->selectedFeatureCount() == 0 )
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{
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QgsFeatureIterator fit = vlayer->getFeatures( QgsFeatureRequest().setFilterRect( selectRect ).setSubsetOfAttributes( QgsAttributeList() ) );
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//find the closest feature
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QgsGeometry* pointGeometry = QgsGeometry::fromPoint( layerCoords );
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if ( !pointGeometry )
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{
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return;
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}
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double minDistance = std::numeric_limits<double>::max();
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QgsFeature cf;
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QgsFeature f;
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while ( fit.nextFeature( f ) )
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{
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if ( f.geometry() )
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{
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double currentDistance = pointGeometry->distance( *f.geometry() );
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if ( currentDistance < minDistance )
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{
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minDistance = currentDistance;
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cf = f;
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}
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}
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}
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delete pointGeometry;
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if ( minDistance == std::numeric_limits<double>::max() )
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{
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return;
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}
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QgsRectangle bound = cf.geometry()->boundingBox();
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mStartPointMapCoords = toMapCoordinates( vlayer, bound.center() );
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if ( !mAnchorPoint )
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{
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mAnchorPoint = new QgsVertexMarker( mCanvas );
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}
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mAnchorPoint->setIconType( QgsVertexMarker::ICON_CROSS );
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mAnchorPoint->setCenter( mStartPointMapCoords );
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mStPoint = toCanvasCoordinates( mStartPointMapCoords );
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mRotatedFeatures.clear();
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mRotatedFeatures << cf.id(); //todo: take the closest feature, not the first one...
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mRubberBand = createRubberBand( vlayer->geometryType() );
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mRubberBand->setToGeometry( cf.geometry(), vlayer );
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}
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else
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{
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mRotatedFeatures = vlayer->selectedFeaturesIds();
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mRubberBand = createRubberBand( vlayer->geometryType() );
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QgsFeature feat;
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QgsFeatureIterator it = vlayer->selectedFeaturesIterator();
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while ( it.nextFeature( feat ) )
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{
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mRubberBand->addGeometry( feat.geometry(), vlayer );
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}
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}
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mRubberBand->setColor( QColor( 255, 0, 0, 65 ) );
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mRubberBand->setWidth( 2 );
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mRubberBand->show();
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double XDistance = mInitialPos.x() - mAnchorPoint->x();
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double YDistance = mInitialPos.y() - mAnchorPoint->y() ;
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mRotationOffset = atan2( YDistance, XDistance ) * ( 180 / PI );
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}
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void QgsMapToolRotateFeature::canvasReleaseEvent( QMouseEvent * e )
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{
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Q_UNUSED( e );
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if ( !mRubberBand )
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{
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return;
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}
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QgsVectorLayer* vlayer = currentVectorLayer();
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if ( !vlayer )
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{
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return;
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}
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//calculations for affine transformation
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double angle = -1 * mRotation * ( PI / 180 );
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QgsPoint anchorPoint = toLayerCoordinates( vlayer, mStartPointMapCoords );
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@ -247,65 +398,11 @@ void QgsMapToolRotateFeature::canvasReleaseEvent( QMouseEvent * e )
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mAnchorPoint->setCenter( QgsPoint( anchorX, anchorY ) );
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delete mRubberBand;
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mRubberBand = 0;
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deleteRotationWidget();
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deleteRubberband();
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mCanvas->refresh();
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vlayer->endEditCommand();
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}
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void QgsMapToolRotateFeature::resetAnchor()
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{
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QgsVectorLayer* vlayer = currentVectorLayer();
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if ( !vlayer )
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{
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return;
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}
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if ( vlayer->selectedFeatureCount() == 0 )
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{
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return;
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}
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else
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{
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QgsRectangle bound = vlayer->boundingBoxOfSelected();
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mStartPointMapCoords = toMapCoordinates( vlayer, bound.center() );
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mAnchorPoint->setCenter( mStartPointMapCoords );
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mStPoint = toCanvasCoordinates( mStartPointMapCoords );
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}
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}
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void QgsMapToolRotateFeature::keyPressEvent( QKeyEvent* e )
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{
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if ( e->key() == Qt::Key_Control )
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{
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mCtrl = true;
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mCanvas->viewport()->setMouseTracking( true );
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return;
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}
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if ( e->key() == Qt::Key_Escape )
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{
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this->resetAnchor();
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}
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}
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void QgsMapToolRotateFeature::keyReleaseEvent( QKeyEvent* e )
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{
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if ( e->key() == Qt::Key_Control )
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{
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mCtrl = false;
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mCanvas->viewport()->setMouseTracking( false );
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return;
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}
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}
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void QgsMapToolRotateFeature::activate()
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@ -328,7 +425,6 @@ void QgsMapToolRotateFeature::activate()
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}
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else
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{
|
||||
|
||||
QgsRectangle bound = vlayer->boundingBoxOfSelected();
|
||||
mStartPointMapCoords = toMapCoordinates( vlayer, bound.center() );
|
||||
|
||||
@ -342,13 +438,54 @@ void QgsMapToolRotateFeature::activate()
|
||||
}
|
||||
}
|
||||
|
||||
void QgsMapToolRotateFeature::deactivate()
|
||||
void QgsMapToolRotateFeature::deleteRubberband()
|
||||
{
|
||||
delete mRubberBand;
|
||||
delete mAnchorPoint;
|
||||
mRubberBand = 0;
|
||||
}
|
||||
|
||||
void QgsMapToolRotateFeature::deactivate()
|
||||
{
|
||||
deleteRotationWidget();
|
||||
mRotationActive = false;
|
||||
delete mAnchorPoint;
|
||||
mAnchorPoint = 0;
|
||||
mRotationOffset = 0;
|
||||
|
||||
deleteRubberband();
|
||||
QgsMapTool::deactivate();
|
||||
}
|
||||
|
||||
void QgsMapToolRotateFeature::createRotationWidget()
|
||||
{
|
||||
if ( !mCanvas )
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
deleteRotationWidget();
|
||||
|
||||
mRotationWidget = new QgsAngleMagnetWidget( "Rotation:" );
|
||||
mRotationBarItem = QgisApp::instance()->messageBar()->pushWidget( mRotationWidget );
|
||||
mRotationWidget->setFocus( Qt::TabFocusReason );
|
||||
|
||||
QObject::connect( mRotationWidget, SIGNAL( angleChanged( double ) ), this, SLOT( updateRubberband( double ) ) );
|
||||
QObject::connect( mRotationWidget, SIGNAL( angleEditingFinished( double ) ), this, SLOT( applyRotation( double ) ) );
|
||||
}
|
||||
|
||||
void QgsMapToolRotateFeature::deleteRotationWidget()
|
||||
{
|
||||
if ( mRotationWidget )
|
||||
{
|
||||
QObject::disconnect( mRotationWidget, SIGNAL( angleChanged( double ) ), this, SLOT( updateRubberband( double ) ) );
|
||||
QObject::disconnect( mRotationWidget, SIGNAL( angleEditingFinished( double ) ), this, SLOT( applyRotation( double ) ) );
|
||||
mRotationWidget->releaseKeyboard();
|
||||
}
|
||||
if ( mRotationBarItem )
|
||||
{
|
||||
QgisApp::instance()->messageBar()->popWidget( mRotationBarItem );
|
||||
}
|
||||
mRotationBarItem = 0;
|
||||
mRotationWidget = 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -16,12 +16,56 @@
|
||||
#ifndef QGSMAPTOOLROTATEFEATURE_H
|
||||
#define QGSMAPTOOLROTATEFEATURE_H
|
||||
|
||||
#include <QWidget>
|
||||
|
||||
#include "qgsmaptooledit.h"
|
||||
#include "qgsvectorlayer.h"
|
||||
|
||||
class QgsVertexMarker;
|
||||
|
||||
/**Map tool for translating feature position by mouse drag*/
|
||||
class QDoubleSpinBox;
|
||||
class QHBoxLayout;
|
||||
class QgsSpinBox;
|
||||
class QgsVertexMarker;
|
||||
class QgsMessageBarItem;
|
||||
|
||||
|
||||
class APP_EXPORT QgsAngleMagnetWidget : public QWidget
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
|
||||
explicit QgsAngleMagnetWidget( QString label = QString( "" ), QWidget *parent = 0 );
|
||||
|
||||
~QgsAngleMagnetWidget();
|
||||
|
||||
void setAngle( double angle );
|
||||
|
||||
double angle();
|
||||
|
||||
void setMagnet( int magnet );
|
||||
|
||||
signals:
|
||||
void angleChanged( double angle );
|
||||
void angleEditingFinished( double angle );
|
||||
|
||||
|
||||
public slots:
|
||||
|
||||
protected:
|
||||
bool eventFilter( QObject *obj, QEvent *ev );
|
||||
|
||||
private slots:
|
||||
void angleSpinBoxValueChanged( double angle );
|
||||
|
||||
private:
|
||||
QHBoxLayout* mLayout;
|
||||
QDoubleSpinBox* mAngleSpinBox;
|
||||
QgsSpinBox* mMagnetSpinBox;
|
||||
};
|
||||
|
||||
|
||||
/** Map tool to rotate features */
|
||||
class APP_EXPORT QgsMapToolRotateFeature: public QgsMapToolEdit
|
||||
{
|
||||
Q_OBJECT
|
||||
@ -31,27 +75,25 @@ class APP_EXPORT QgsMapToolRotateFeature: public QgsMapToolEdit
|
||||
|
||||
virtual void canvasMoveEvent( QMouseEvent * e ) override;
|
||||
|
||||
virtual void canvasPressEvent( QMouseEvent * e ) override;
|
||||
|
||||
virtual void canvasReleaseEvent( QMouseEvent * e ) override;
|
||||
|
||||
void keyPressEvent( QKeyEvent* e ) override;
|
||||
|
||||
void keyReleaseEvent( QKeyEvent* e ) override;
|
||||
|
||||
|
||||
//! to reset the rotation anchor to selectionbound center
|
||||
void resetAnchor();
|
||||
//! called when map tool is being deactivated
|
||||
void deactivate() override;
|
||||
|
||||
void activate() override;
|
||||
|
||||
private slots:
|
||||
void updateRubberband( double rotation );
|
||||
|
||||
void applyRotation( double rotation );
|
||||
|
||||
private:
|
||||
|
||||
QgsGeometry rotateGeometry( QgsGeometry geom, QgsPoint point, double angle );
|
||||
QgsPoint rotatePoint( QgsPoint point, double angle );
|
||||
void deleteRubberband();
|
||||
void createRotationWidget();
|
||||
void deleteRotationWidget();
|
||||
|
||||
/**Start point of the move in map coordinates*/
|
||||
QgsPoint mStartPointMapCoords;
|
||||
@ -68,8 +110,12 @@ class APP_EXPORT QgsMapToolRotateFeature: public QgsMapToolEdit
|
||||
QPoint mStPoint;
|
||||
QgsVertexMarker* mAnchorPoint;
|
||||
|
||||
/** flag if crtl is pressed */
|
||||
bool mCtrl;
|
||||
bool mRotationActive;
|
||||
|
||||
/** Message bar item for the angle magnet widget*/
|
||||
QgsMessageBarItem* mRotationBarItem;
|
||||
/** Shows current angle value and allows numerical editing*/
|
||||
QgsAngleMagnetWidget* mRotationWidget;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user