Eberhard Graether
ae7b827b0c
* expand/collapse node via graph view context menu * also possible with Shift + Left Click
124 lines
2.3 KiB
C++
124 lines
2.3 KiB
C++
#ifndef QT_GRAPHICS_VIEW_H
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#define QT_GRAPHICS_VIEW_H
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#include <memory>
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#include <QGraphicsView>
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#include "utility/types.h"
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class QPushButton;
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class QTimer;
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class QtGraphEdge;
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class QtGraphNode;
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class QtSelfRefreshIconButton;
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class QtGraphicsView
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: public QGraphicsView
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{
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Q_OBJECT
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public:
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QtGraphicsView(QWidget* parent);
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float getZoomFactor() const;
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void setAppZoomFactor(float appZoomFactor);
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void setSceneRect(const QRectF& rect);
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QtGraphNode* getNodeAtCursorPosition() const;
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QtGraphEdge* getEdgeAtCursorPosition() const;
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void ensureVisibleAnimated(const QRectF& rect, int xmargin = 50, int ymargin = 50);
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void updateZoom(float delta);
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protected:
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void resizeEvent(QResizeEvent* event);
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void mousePressEvent(QMouseEvent* event);
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void mouseReleaseEvent(QMouseEvent* event);
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void keyPressEvent(QKeyEvent* event);
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void keyReleaseEvent(QKeyEvent* event);
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void wheelEvent(QWheelEvent* event);
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void contextMenuEvent(QContextMenuEvent* event);
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signals:
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void emptySpaceClicked();
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void characterKeyPressed(QChar c);
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void resized();
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private slots:
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void updateTimer();
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void stopTimer();
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void exportGraph();
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void copyNodeName();
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void collapseNode();
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void expandNode();
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void showDefinition();
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void hideNode();
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void hideEdge();
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void bookmarkNode();
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void zoomInPressed();
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void zoomOutPressed();
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void hideZoomLabel();
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void legendClicked();
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private:
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bool moves() const;
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void setZoomFactor(float zoomFactor);
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void updateTransform();
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QPoint m_last;
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float m_zoomFactor;
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float m_appZoomFactor;
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bool m_up;
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bool m_down;
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bool m_left;
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bool m_right;
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bool m_shift;
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std::wstring m_clipboardNodeName;
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Id m_hideNodeId;
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Id m_hideEdgeId;
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Id m_bookmarkNodeId;
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Id m_collapseNodeId;
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Id m_expandNodeId;
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std::shared_ptr<QTimer> m_timer;
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std::shared_ptr<QTimer> m_timerStopper;
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std::shared_ptr<QTimer> m_zoomLabelTimer;
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QAction* m_exportGraphAction;
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QAction* m_copyNodeNameAction;
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QAction* m_collapseAction;
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QAction* m_expandAction;
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QAction* m_showDefinitionAction;
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QAction* m_hideNodeAction;
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QAction* m_hideEdgeAction;
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QAction* m_bookmarkNodeAction;
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QPushButton* m_zoomState;
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QtSelfRefreshIconButton* m_zoomInButton;
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QtSelfRefreshIconButton* m_zoomOutButton;
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QtSelfRefreshIconButton* m_legendButton;
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float m_zoomInButtonSpeed;
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float m_zoomOutButtonSpeed;
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};
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#endif // QT_GRAPHICS_VIEW_H
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