GraphView

class GraphView : public QAbstractScrollArea

Subclassed by CutterGraphView, OverviewView

Public Types

enum class 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