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Sourcetrail/src/lib_gui/qt/view/QtGraphView.h
T
Manuel Dobusch cdde712a2c ui: graph zoom buttons
Added simple zoom buttons to graph
2017-01-26 16:33:49 +01:00

139 lines
3.9 KiB
C++

#ifndef QT_GRAPH_VIEW_H
#define QT_GRAPH_VIEW_H
#include <set>
#include <QGraphicsView>
#include <QPointF>
#include <QPushButton>
#include "component/view/GraphView.h"
#include "qt/utility/QtScrollSpeedChangeListener.h"
#include "qt/utility/QtThreadedFunctor.h"
#include "utility/types.h"
struct DummyEdge;
struct DummyNode;
class QMouseEvent;
class QSequentialAnimationGroup;
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();
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;
private slots:
void centerScrollBars();
void finishedTransition();
void clickedInEmptySpace();
void zoomInPressed();
void zoomOutPressed();
void onMouseWheelEvent(QWheelEvent* event);
private:
void switchToNewGraphData();
QtGraphicsView* getView() const;
void doRebuildGraph(
std::shared_ptr<Graph> graph,
const std::vector<std::shared_ptr<DummyNode>>& nodes,
const std::vector<std::shared_ptr<DummyEdge>>& edges,
const GraphParams params);
void doClear();
void doResize();
void doRefreshView();
void doFocusIn(const std::vector<Id>& tokenIds);
void doFocusOut(const std::vector<Id>& tokenIds);
void zoom(const float delta);
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);
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 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();
QtThreadedFunctor<
std::shared_ptr<Graph>,
const std::vector<std::shared_ptr<DummyNode>>&,
const std::vector<std::shared_ptr<DummyEdge>>&,
const GraphParams
> m_rebuildGraphFunctor;
QtThreadedFunctor<void> m_clearFunctor;
QtThreadedFunctor<void> m_resizeFunctor;
QtThreadedFunctor<void> m_refreshFunctor;
QtThreadedFunctor<const std::vector<Id>&> m_focusInFunctor;
QtThreadedFunctor<const std::vector<Id>&> m_focusOutFunctor;
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::shared_ptr<QtGraphNode> m_activeNode;
std::shared_ptr<QSequentialAnimationGroup> m_transition;
QPointF m_sceneRectOffset;
QtScrollSpeedChangeListener m_scrollSpeedChangeListenerHorizontal;
QtScrollSpeedChangeListener m_scrollSpeedChangeListenerVertical;
QPushButton* m_zoomInButton;
QPushButton* m_zoomOutButton;
float m_zoomInButtonSpeed;
float m_zoomOutButtonSpeed;
};
#endif // QT_GRAPH_VIEW_H