83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
#ifndef MOVABLERECT_H
|
|
#define MOVABLERECT_H
|
|
|
|
#include <QGraphicsItem>
|
|
#include <QPainter>
|
|
#include <QRgb>
|
|
|
|
|
|
|
|
class MovableRect : public QGraphicsRectItem
|
|
{
|
|
public:
|
|
MovableRect(bool *enabled, int width, int height, QRgb color);
|
|
QRectF boundingRect() const override {
|
|
qreal penWidth = 4;
|
|
return QRectF(-penWidth,
|
|
-penWidth,
|
|
30 * 8 + penWidth * 2,
|
|
20 * 8 + penWidth * 2);
|
|
}
|
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) override {
|
|
if (!(*enabled)) return;
|
|
painter->setPen(this->color);
|
|
painter->drawRect(this->rect().x() - 2, this->rect().y() - 2, this->rect().width() + 3, this->rect().height() + 3);
|
|
painter->setPen(QColor(0, 0, 0));
|
|
painter->drawRect(this->rect().x() - 3, this->rect().y() - 3, this->rect().width() + 5, this->rect().height() + 5);
|
|
painter->drawRect(this->rect().x() - 1, this->rect().y() - 1, this->rect().width() + 1, this->rect().height() + 1);
|
|
}
|
|
void updateLocation(int x, int y);
|
|
bool *enabled;
|
|
|
|
protected:
|
|
QRgb color;
|
|
};
|
|
|
|
|
|
|
|
/// A MovableRect with the addition of being resizable.
|
|
class ResizableRect : public QObject, public MovableRect
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
ResizableRect(QObject *parent, bool *enabled, int width, int height, QRgb color);
|
|
|
|
QRectF boundingRect() const override {
|
|
return QRectF(this->rect() + QMargins(lineWidth, lineWidth, lineWidth, lineWidth));
|
|
}
|
|
|
|
QPainterPath shape() const override {
|
|
QPainterPath path;
|
|
path.addRect(this->rect() + QMargins(lineWidth, lineWidth, lineWidth, lineWidth));
|
|
path.addRect(this->rect() - QMargins(lineWidth, lineWidth, lineWidth, lineWidth));
|
|
return path;
|
|
}
|
|
|
|
void updatePosFromRect(QRect newPos);
|
|
void setLimit(QRect limit) { this->limit = limit; }
|
|
|
|
protected:
|
|
void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
|
|
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
|
|
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
|
|
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
|
|
|
|
private:
|
|
enum class Edge { None, Left, Right, Top, Bottom, TopLeft, BottomLeft, TopRight, BottomRight };
|
|
ResizableRect::Edge detectEdge(int x, int y);
|
|
|
|
// Variables for keeping state of original rect while resizing
|
|
ResizableRect::Edge clickedEdge = ResizableRect::Edge::None;
|
|
QPointF clickedPos = QPointF();
|
|
QRect clickedRect;
|
|
|
|
QRect limit = QRect();
|
|
|
|
int lineWidth = 8;
|
|
|
|
signals:
|
|
void rectUpdated(QRect rect);
|
|
};
|
|
|
|
#endif // MOVABLERECT_H
|