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54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#ifndef LVGLITEM_H
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#define LVGLITEM_H
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#include <QGraphicsItem>
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#include "LVGLObject.h"
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class LVGLItem : public QObject, public QGraphicsItem
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{
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Q_OBJECT
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Q_INTERFACES(QGraphicsItem)
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public:
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LVGLItem(QGraphicsItem *parent = nullptr);
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QRectF boundingRect() const override;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
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LVGLObject *object() const;
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void setObject(LVGLObject *obj);
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bool isManipolating() const;
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signals:
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void geometryChanged();
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public slots:
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void updateGeometry();
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protected:
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QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
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void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
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virtual void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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private:
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struct ResizeDirections
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{
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enum { HorzNone, Left, Right } horizontal;
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enum { VertNone, Top, Bottom } vertical;
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bool any() const { return horizontal || vertical; }
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void clear() { horizontal = HorzNone; vertical = VertNone; }
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};
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LVGLObject *m_object;
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QRectF m_start;
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ResizeDirections m_direction;
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lv_coord_t m_minimumWidth;
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lv_coord_t m_minimumHeight;
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};
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#endif // LVGLITEM_H
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