File indexing completed on 2024-04-28 05:38:13 

0001 /***************************************************************************
0002  *      Copyright (C) 2010 by Renaud Guezennec                             *
0003  *                                                                         *
0004  *                                                                         *
0005  *   rolisteam is free software; you can redistribute it and/or modify     *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 2 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program; if not, write to the                         *
0017  *   Free Software Foundation, Inc.,                                       *
0018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
0019  ***************************************************************************/
0020 #ifndef VISUALITEM_H
0021 #define VISUALITEM_H
0022 
0023 #include <QAction>
0024 #include <QGraphicsObject>
0025 #include <QPointer>
0026 #include <QVector>
0027 
0028 #include "childpointitem.h"
0029 #include "controller/item_controllers/visualitemcontroller.h"
0030 #include "media/mediatype.h"
0031 #include "rwidgets_global.h"
0032 
0033 class NetworkMessageWriter;
0034 class NetworkMessageReader;
0035 
0036 /**
0037  * @brief abstract class which defines interface for all map items.
0038  */
0039 class RWIDGET_EXPORT VisualItem : public QGraphicsObject
0040 {
0041     Q_OBJECT
0042 public:
0043     VisualItem(vmap::VisualItemController* ctrl);
0044     virtual ~VisualItem();
0045 
0046     vmap::VisualItemController* controller() const;
0047     virtual void setNewEnd(const QPointF& nend)= 0;
0048     virtual vmap::VisualItemController::ItemType getType() const;
0049     virtual void resizeContents(const QRectF& rect, int pointId,
0050                                 Core::TransformType transformType= Core::TransformType::KeepRatio);
0051     virtual void endOfGeometryChange(ChildPointItem::Change change);
0052     virtual void addActionContextMenu(QMenu&);
0053     bool hasFocusOrChild();
0054     virtual void setModifiers(Qt::KeyboardModifiers modifiers);
0055     virtual VisualItem* promoteTo(vmap::VisualItemController::ItemType);
0056     virtual void setSize(QSizeF size);
0057     virtual void updateItemFlags();
0058     virtual bool isLocal() const;
0059     QVariant itemChange(GraphicsItemChange change, const QVariant& value);
0060 
0061     quint16 getPenWidth() const;
0062     void setPenWidth(const quint16& penWidth);
0063 
0064     QString uuid()const;
0065 
0066     QColor color() const;
0067     virtual bool canBeMoved() const;
0068 
0069     static int getHighlightWidth();
0070     static void setHighlightWidth(int highlightWidth);
0071 
0072     static QColor getHighlightColor();
0073     static void setHighlightColor(const QColor& highlightColor);
0074 
0075 signals:
0076     void itemGeometryChanged(VisualItem*);
0077     void itemRemoved(QString, bool, bool);
0078     void itemLayerChanged(VisualItem*);
0079     void promoteItemTo(VisualItem*, vmap::VisualItemController::ItemType);
0080     void selectStateChange(bool);
0081 
0082 public slots:
0083     void setColor(QColor color);
0084     void evaluateVisible();
0085 
0086 protected:
0087     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
0088     virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
0089     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
0090     virtual void keyPressEvent(QKeyEvent* event);
0091     void init();
0092     virtual void updateChildPosition();
0093     virtual void setChildrenVisible(bool b);
0094     bool hasPermissionToMove(bool allowCharacter= true) const;
0095 
0096 protected:
0097     QPointF computeClosePoint(QPointF pos);
0098     void addPromoteItemMenu(QMenu*);
0099     void promoteItem();
0100 
0101 protected:
0102     QPointer<vmap::VisualItemController> m_ctrl;
0103     static QColor m_highlightColor;
0104     static QColor m_selectedColor;
0105     static int m_highlightWidth;
0106     QVector<ChildPointItem*> m_children;
0107     QPoint m_menuPos;
0108     QVector<vmap::VisualItemController::ItemType> m_promoteTypeList;
0109 
0110 private:
0111     static QStringList s_type2NameList;
0112 };
0113 
0114 #endif // VISUALITEM_H