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

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.

Return

Block or nullptr if position is outside all blocks.

Parameters

• p: positionin graph logical coordinates

QPoint viewToLogicalCoordinates(QPoint p)

QPoint logicalToViewCoordinates(QPoint p)

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

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()

QPoint getViewOffset() const

void setViewOffset(QPoint offset)

qreal getViewScale() const

void setViewScale(qreal scale)

void center()

void centerX()

void centerY()

Signals

void viewOffsetChanged(QPoint offset)

void viewScaleChanged(qreal scale)

Public Static Functions

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

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