GraphView

class GraphView : public QAbstractScrollArea

Subclassed by CutterGraphView, OverviewView

Public Types

• enum Layout

  Values:

  • enumerator GridNarrow

  • enumerator GridMedium

  • enumerator GridWide

  • enumerator GridAAA

  • enumerator GridAAB

  • enumerator GridABA

  • enumerator GridABB

  • enumerator GridBAA

  • enumerator GridBAB

  • enumerator GridBBA

  • enumerator GridBBB

• using GraphBlock = GraphLayout::GraphBlock

• using GraphEdge = GraphLayout::GraphEdge

Public Functions

• explicit GraphView(QWidget *parent)

• ~GraphView() override

• void showBlock(GraphBlock &block, bool anywhere = false)

• void showRectangle(const QRect &rect, bool anywhere = false)

  Move view so that area is visible.

  • Parameters

    • rect – Rectangle to show

    • anywhere – - set to true for minimizing movement

• GraphView::GraphBlock *getBlockContaining(QPoint p)

  Get block containing specified point logical coordinates.

  • Parameters

    p – positionin graph logical coordinates

    Returns

    Block or nullptr if position is outside all blocks.

• QPoint viewToLogicalCoordinates(QPoint p)

• QPoint logicalToViewCoordinates(QPoint p)

• void setGraphLayout(std::unique_ptr<GraphLayout> layout)

• inline GraphLayout &getGraphLayout() const

• void setLayoutConfig(const GraphLayout::LayoutConfig &config)

• void paint(QPainter &p, QPoint offset, QRect area, qreal scale = 1.0, bool interactive = true)

• void saveAsBitmap(QString path, const char *format = nullptr, double scaler = 1.0, bool transparent = false)

• void saveAsSvg(QString path)

• void computeGraphPlacement()

• inline QPoint getViewOffset() const

• void setViewOffset(QPoint offset)

• inline qreal getViewScale() const

• void setViewScale(qreal scale)

• void center()

• inline void centerX()

• inline void centerY()

Signals

• void viewOffsetChanged(QPoint offset)

• void viewScaleChanged(qreal scale)

Public Static Functions

• static std::unique_ptr<GraphLayout> makeGraphLayout(Layout layout, bool horizontal = false)

• static void cleanupEdges(GraphLayout::Graph &graph)

  Remove duplicate edges and edges without target in graph.

  • Parameters

    graph –

• struct EdgeConfiguration

  Public Members

  • QColor color = QColor(128, 128, 128)

  • bool start_arrow = false

  • bool end_arrow = true

  • qreal width_scale = 1.0

  • Qt::PenStyle lineStyle = Qt::PenStyle::SolidLine