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playground.h
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playground.h
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/*
SPDX-FileCopyrightText: 1999-2006 Éric Bischoff <[email protected]>
SPDX-FileCopyrightText: 2007 Albert Astals Cid <[email protected]>
SPDX-License-Identifier: GPL-2.0-or-later
*/
/* Play ground widget */
#ifndef _PLAYGROUND_H_
#define _PLAYGROUND_H_
#include <QGraphicsView>
#include <QMap>
#include <QSvgRenderer>
#include <QUndoGroup>
class Action;
class ToDraw;
class QPagedPaintDevice;
class PlayGroundCallbacks
{
public:
virtual ~PlayGroundCallbacks() {}
virtual void playSound(const QString &ref) = 0;
virtual void changeGameboard(const QString &gameboard) = 0;
virtual void registerGameboard(const QString& menuText, const QString& boardFile, const QPixmap& pixmap) = 0;
};
class PlayGround : public QGraphicsView
{
Q_OBJECT
public:
explicit PlayGround(PlayGroundCallbacks *callbacks, QWidget *parent = nullptr);
~PlayGround() override;
enum LoadError { NoError, OldFileVersionError, OtherError };
void reset();
LoadError loadFrom(const QString &name);
bool saveAs(const QString &name);
bool printPicture(QPagedPaintDevice &printer);
QPixmap getPicture();
void connectRedoAction(QAction *action);
void connectUndoAction(QAction *action);
void registerPlayGrounds();
bool loadPlayGround(const QString &gameboardFile);
void setAllowOnlyDrag(bool allowOnlyDrag);
QString currentGameboard() const;
bool isAspectRatioLocked() const;
public Q_SLOTS:
void lockAspectRatio(bool lock);
protected:
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
private:
QPointF clipPos(const QPointF &p, ToDraw *item) const;
QRectF backgroundRect() const;
bool insideBackground(const QSizeF &size, const QPointF &pos) const;
void placeDraggedItem(const QPoint &pos);
void placeNewItem(const QPoint &pos);
void playGroundPixmap(const QString &playgroundName, QPixmap &pixmap);
void recenterView();
QGraphicsScene *scene() const;
QUndoStack *undoStack() const;
PlayGroundCallbacks *m_callbacks;
QString m_gameboardFile; // the file the board
QMap<QString, QString> m_objectsNameSound; // map between element name and sound
QMap<QString, double> m_objectsNameRatio; // map between element name and scaling ratio
QPoint m_mousePressPos;
QPointF m_itemDraggedPos;
ToDraw *m_newItem; // the new item we are moving
ToDraw *m_dragItem; // the existing item we are dragging
QSvgRenderer m_SvgRenderer; // the SVG renderer
int m_nextZValue; // the next Z value to use
bool m_lockAspect; // whether we are locking aspect ratio
bool m_allowOnlyDrag;
QUndoGroup m_undoGroup;
class SceneData
{
public:
QGraphicsScene *scene;
QUndoStack *undoStack;
};
QMap <QString, SceneData> m_scenes; // caches the items of each playground
};
#endif
/* kate: replace-tabs on; indent-width 2; */