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* Copyright (c) 2024 xtemp09 <xtemp09@gmail.com> *
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* This file is part of FreeCAD. *
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* FreeCAD is free software: you can redistribute it and/or modify it *
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#ifndef ZOOMABLEVIEW_H
#define ZOOMABLEVIEW_H
#include <QGraphicsView>
#include "SpreadsheetView.h"
namespace SpreadsheetGui
{
class SheetTableView;
}
class ZoomableView: public QGraphicsView
{
Q_OBJECT
Q_PROPERTY(int zoomLevel READ zoomLevel() WRITE setZoomLevel NOTIFY zoomLevelChanged)
public:
/*!
* \brief A descendant of QGraphicsView to show a SheetTableView object in its viewport,
* allowing magnification. \param ui \details The object replaces SheetTableView in layout,
* handling mouse and keyboard events.
*/
explicit ZoomableView(Ui::Sheet* ui);
~ZoomableView() override = default;
int zoomLevel() const;
void setZoomLevel(int new_scale);
static constexpr int min {60}, max {160};
static void checkLimits(int& zoom_level);
Q_SIGNALS:
void zoomLevelChanged(int); /// This signal is emitted whenever zoom level is changed. It is
/// used to show the zoom level in the zoom button.
public Q_SLOTS:
void zoomIn(void); /// This function is the slot for the zoomIn button and a keyboard shortcut
void zoomOut(void); /// This function is the slot for the zoomOut button and a keyboard shortcut
void resetZoom(void); /// This function is the slot for a keyboard shortcut
private:
void updateView(void);
QPointer<SpreadsheetGui::SheetTableView> stv;
QGraphicsScene m_scene;
QGraphicsProxyWidget* qpw {nullptr};
int m_zoomLevel {0};
protected:
void focusOutEvent(QFocusEvent* event) override;
void keyPressEvent(QKeyEvent* event) override;
void resizeEvent(QResizeEvent* event) override;
void wheelEvent(QWheelEvent* event) override;
static constexpr int zoom_step_mwheel {5}, zoom_step_kb {10};
};
#endif // ZOOMABLEVIEW_H
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