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Sourcetrail/src/lib_gui/qt/view/QtGraphView.h
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#ifndef QT_GRAPH_VIEW_H
#define QT_GRAPH_VIEW_H
#include <set>
#include <QGraphicsView>
#include <QPointF>
#include "component/view/GraphView.h"
#include "data/graph/Graph.h"
#include "qt/utility/QtScrollSpeedChangeListener.h"
#include "qt/utility/QtThreadedFunctor.h"
#include "utility/types.h"
struct DummyEdge;
struct DummyNode;
class MessageActivateTrail;
class QLabel;
class QMouseEvent;
class QPushButton;
class QSequentialAnimationGroup;
class QSlider;
class QtGraphEdge;
class QtGraphicsView;
class QtGraphNode;
class QtGraphView
: public QObject
, public GraphView
{
Q_OBJECT
public:
QtGraphView(ViewLayout* viewLayout);
virtual ~QtGraphView();
// View implementation
virtual void createWidgetWrapper();
virtual void initView();
virtual void refreshView();
// ScreenSearchResponder implementation
virtual bool isVisible() const;
virtual void findMatches(ScreenSearchSender* sender, const std::string& query);
virtual void activateMatch(size_t matchIndex);
virtual void deactivateMatch(size_t matchIndex);
virtual void clearMatches();
// GraphView implementation
virtual void rebuildGraph(
std::shared_ptr<Graph> graph,
const std::vector<std::shared_ptr<DummyNode>>& nodes,
const std::vector<std::shared_ptr<DummyEdge>>& edges,
const GraphParams params);
virtual void clear();
virtual void focusTokenIds(const std::vector<Id>& focusedTokenIds);
virtual void defocusTokenIds(const std::vector<Id>& defocusedTokenIds);
virtual void resizeView();
virtual Vec2i getViewSize() const;
virtual void scrollToValues(int xValue, int yValue);
virtual void activateEdge(Id edgeId, bool centerOrigin);
private slots:
void updateScrollBars();
void finishedTransition();
void clickedInEmptySpace();
void pressedCharacterKey(QChar c);
void scrolled(int);
void resized();
void trailDepthChanged(int);
void clickedCollapse();
void clickedExpand();
void clickedBackwardTrail();
void clickedForwardTrail();
private:
MessageActivateTrail getMessageActivateTrail(bool forward);
void activateTrail(bool forward);
void updateTrailButtons();
void switchToNewGraphData();
QtGraphicsView* getView() const;
void doResize();
std::shared_ptr<QtGraphNode> findNodeRecursive(const std::list<std::shared_ptr<QtGraphNode>>& nodes, Id tokenId);
std::shared_ptr<QtGraphNode> createNodeRecursive(
QGraphicsView* view, std::shared_ptr<QtGraphNode> parentNode, const DummyNode* node, bool multipleActive);
std::shared_ptr<QtGraphEdge> createEdge(
QGraphicsView* view, const DummyEdge* edge, std::set<Id>* visibleEdgeIds, Graph::TrailMode trailMode, QPointF pathOffset, bool useBezier);
std::shared_ptr<QtGraphEdge> createAggregationEdge(
QGraphicsView* view, const DummyEdge* edge, std::set<Id>* visibleEdgeIds);
QRectF itemsBoundingRect(const std::list<std::shared_ptr<QtGraphNode>>& items) const;
QRectF getSceneRect(const std::list<std::shared_ptr<QtGraphNode>>& items) const;
void centerNode(QtGraphNode* node);
void compareNodesRecursive(
std::list<std::shared_ptr<QtGraphNode>> newSubNodes,
std::list<std::shared_ptr<QtGraphNode>> oldSubNodes,
std::list<QtGraphNode*>* appearingNodes,
std::list<QtGraphNode*>* vanishingNodes,
std::vector<std::pair<QtGraphNode*, QtGraphNode*>>* remainingNodes);
void createTransition();
QtThreadedLambdaFunctor m_onQtThread;
std::shared_ptr<Graph> m_graph;
std::shared_ptr<Graph> m_oldGraph;
std::list<std::shared_ptr<QtGraphEdge>> m_edges;
std::list<std::shared_ptr<QtGraphEdge>> m_oldEdges;
std::list<std::shared_ptr<QtGraphNode>> m_nodes;
std::list<std::shared_ptr<QtGraphNode>> m_oldNodes;
std::vector<std::shared_ptr<QtGraphNode>> m_activeNodes;
std::shared_ptr<QtGraphNode> m_oldActiveNode;
bool m_centerActiveNode;
bool m_scrollToTop;
bool m_restoreScroll;
Vec2i m_scrollValues;
bool m_isIndexedList;
std::shared_ptr<QSequentialAnimationGroup> m_transition;
QPointF m_sceneRectOffset;
QtScrollSpeedChangeListener m_scrollSpeedChangeListenerHorizontal;
QtScrollSpeedChangeListener m_scrollSpeedChangeListenerVertical;
QWidget* m_trailWidget;
QPushButton* m_expandButton;
QPushButton* m_collapseButton;
QPushButton* m_forwardTrailButton;
QPushButton* m_backwardTrailButton;
QSlider* m_trailDepthSlider;
QLabel* m_trailDepthLabel;
std::vector<QRectF> m_virtualNodeRects;
// Name matches
std::vector<QtGraphNode*> m_matchedNodes;
};
#endif // QT_GRAPH_VIEW_H