File indexing completed on 2024-04-14 04:02:08
0001 /* 0002 SPDX-FileCopyrightText: 1999-2006 Éric Bischoff <ebischoff@nerim.net> 0003 SPDX-FileCopyrightText: 2007 Albert Astals Cid <aacid@kde.org> 0004 0005 SPDX-License-Identifier: GPL-2.0-or-later 0006 */ 0007 0008 /* Play ground widget */ 0009 0010 #ifndef _PLAYGROUND_H_ 0011 #define _PLAYGROUND_H_ 0012 0013 #include <QGraphicsView> 0014 #include <QMap> 0015 0016 #include <QSvgRenderer> 0017 #include <QUndoGroup> 0018 0019 0020 class Action; 0021 class ToDraw; 0022 class QPagedPaintDevice; 0023 0024 class PlayGroundCallbacks 0025 { 0026 public: 0027 virtual ~PlayGroundCallbacks() {} 0028 virtual void playSound(const QString &ref) = 0; 0029 virtual void changeGameboard(const QString &gameboard) = 0; 0030 virtual void registerGameboard(const QString& menuText, const QString& boardFile, const QPixmap& pixmap) = 0; 0031 }; 0032 0033 class PlayGround : public QGraphicsView 0034 { 0035 Q_OBJECT 0036 0037 public: 0038 explicit PlayGround(PlayGroundCallbacks *callbacks, QWidget *parent = nullptr); 0039 ~PlayGround() override; 0040 0041 enum LoadError { NoError, OldFileVersionError, OtherError }; 0042 0043 void reset(); 0044 LoadError loadFrom(const QString &name); 0045 bool saveAs(const QString &name); 0046 bool printPicture(QPagedPaintDevice &printer); 0047 QPixmap getPicture(); 0048 0049 void connectRedoAction(QAction *action); 0050 void connectUndoAction(QAction *action); 0051 0052 void registerPlayGrounds(); 0053 bool loadPlayGround(const QString &gameboardFile); 0054 0055 void setAllowOnlyDrag(bool allowOnlyDrag); 0056 0057 QString currentGameboard() const; 0058 0059 bool isAspectRatioLocked() const; 0060 0061 public Q_SLOTS: 0062 void lockAspectRatio(bool lock); 0063 0064 protected: 0065 0066 void mousePressEvent(QMouseEvent *event) override; 0067 void mouseMoveEvent(QMouseEvent *event) override; 0068 void mouseReleaseEvent(QMouseEvent *event) override; 0069 void resizeEvent(QResizeEvent *event) override; 0070 0071 private: 0072 QPointF clipPos(const QPointF &p, ToDraw *item) const; 0073 QRectF backgroundRect() const; 0074 bool insideBackground(const QSizeF &size, const QPointF &pos) const; 0075 void placeDraggedItem(const QPoint &pos); 0076 void placeNewItem(const QPoint &pos); 0077 void playGroundPixmap(const QString &playgroundName, QPixmap &pixmap); 0078 0079 void recenterView(); 0080 0081 QGraphicsScene *scene() const; 0082 QUndoStack *undoStack() const; 0083 0084 PlayGroundCallbacks *m_callbacks; 0085 QString m_gameboardFile; // the file the board 0086 QMap<QString, QString> m_objectsNameSound; // map between element name and sound 0087 QMap<QString, double> m_objectsNameRatio; // map between element name and scaling ratio 0088 0089 QPoint m_mousePressPos; 0090 QPointF m_itemDraggedPos; 0091 ToDraw *m_newItem; // the new item we are moving 0092 ToDraw *m_dragItem; // the existing item we are dragging 0093 QSvgRenderer m_SvgRenderer; // the SVG renderer 0094 int m_nextZValue; // the next Z value to use 0095 0096 bool m_lockAspect; // whether we are locking aspect ratio 0097 bool m_allowOnlyDrag; 0098 QUndoGroup m_undoGroup; 0099 0100 class SceneData 0101 { 0102 public: 0103 QGraphicsScene *scene; 0104 QUndoStack *undoStack; 0105 }; 0106 QMap <QString, SceneData> m_scenes; // caches the items of each playground 0107 }; 0108 0109 #endif 0110 0111 /* kate: replace-tabs on; indent-width 2; */