mirror of
https://github.com/huderlem/porymap.git
synced 2026-03-21 17:45:44 -05:00
67 lines
2.8 KiB
C++
67 lines
2.8 KiB
C++
#ifndef SELECTABLEPIXMAPITEM_H
|
|
#define SELECTABLEPIXMAPITEM_H
|
|
|
|
#include <QGraphicsPixmapItem>
|
|
#include <QGraphicsSceneMouseEvent>
|
|
|
|
class SelectablePixmapItem : public QObject, public QGraphicsPixmapItem {
|
|
Q_OBJECT
|
|
public:
|
|
SelectablePixmapItem(const QSize &size, const QSize &maxSelectionSize = QSize(INT_MAX, INT_MAX))
|
|
: SelectablePixmapItem(size.width(), size.height(), maxSelectionSize.width(), maxSelectionSize.height()) {}
|
|
SelectablePixmapItem(int cellWidth, int cellHeight, int maxSelectionWidth = INT_MAX, int maxSelectionHeight = INT_MAX)
|
|
: cellWidth(cellWidth),
|
|
cellHeight(cellHeight),
|
|
maxSelectionWidth(maxSelectionWidth),
|
|
maxSelectionHeight(maxSelectionHeight),
|
|
selectionInitialX(0),
|
|
selectionInitialY(0),
|
|
selectionOffsetX(0),
|
|
selectionOffsetY(0)
|
|
{}
|
|
virtual QSize getSelectionDimensions() const { return QSize(abs(this->selectionOffsetX) + 1, abs(this->selectionOffsetY) + 1); }
|
|
virtual void draw() = 0;
|
|
|
|
virtual void setMaxSelectionSize(const QSize &size) { setMaxSelectionSize(size.width(), size.height()); }
|
|
virtual void setMaxSelectionSize(int width, int height);
|
|
QSize maxSelectionSize() { return QSize(this->maxSelectionWidth, this->maxSelectionHeight); }
|
|
|
|
void setSelectionStyle(Qt::PenStyle style);
|
|
|
|
protected:
|
|
int cellWidth;
|
|
int cellHeight;
|
|
int maxSelectionWidth;
|
|
int maxSelectionHeight;
|
|
int selectionInitialX;
|
|
int selectionInitialY;
|
|
int selectionOffsetX;
|
|
int selectionOffsetY;
|
|
|
|
QPoint getSelectionStart();
|
|
void select(const QPoint &pos, const QSize &size = QSize(1,1));
|
|
void select(int x, int y, int width = 1, int height = 1) { select(QPoint(x, y), QSize(width, height)); }
|
|
void updateSelection(const QPoint &pos);
|
|
QPoint getCellPos(const QPointF &itemPos);
|
|
int getBoundedWidth(int width) const { return qBound(1, width, this->maxSelectionWidth); }
|
|
int getBoundedHeight(int height) const { return qBound(1, height, this->maxSelectionHeight); }
|
|
virtual void mousePressEvent(QGraphicsSceneMouseEvent*) override;
|
|
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
|
|
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
|
|
virtual void drawSelectionRect(const QPoint &, const QSize &, Qt::PenStyle style = Qt::SolidLine);
|
|
virtual void drawSelection();
|
|
virtual int cellsWide() const { return this->cellWidth ? (pixmap().width() / this->cellWidth) : 0; }
|
|
virtual int cellsTall() const { return this->cellHeight ? (pixmap().height() / this->cellHeight) : 0; }
|
|
|
|
signals:
|
|
void selectionChanged(const QPoint&, const QSize&);
|
|
|
|
private:
|
|
QPoint prevCellPos = QPoint(-1,-1);
|
|
Qt::PenStyle selectionStyle = Qt::SolidLine;
|
|
|
|
void setSelection(const QPoint &pos, const QSize &size);
|
|
};
|
|
|
|
#endif // SELECTABLEPIXMAPITEM_H
|