File indexing completed on 2024-04-14 03:40:31 

0001 /***************************************************************************
0002  *   Copyright (C) 2004-2007 by Albert Astals Cid                          *
0003  *   aacid@kde.org                                                         *
0004  *                                                                         *
0005  *   This program 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 
0011 #ifndef PLACEMAPWIDGET_H
0012 #define PLACEMAPWIDGET_H
0013 
0014 #include <QGraphicsView>
0015 
0016 #include "map.h"
0017 
0018 class QGraphicsRectItem;
0019 class QGraphicsScene;
0020 
0021 class placeMapWidget : public QGraphicsView
0022 {
0023 Q_OBJECT
0024     public:
0025         explicit placeMapWidget(QWidget *parent);
0026         ~placeMapWidget();
0027         
0028         void init(KGmap *map, QImage* mapImage);
0029 
0030         void setMapMove(bool b);
0031         void setMapZoom(bool b);
0032 
0033         void setCurrentDivisionImage(QImage *divisionImage);
0034         void placeDivision(QRect& position);
0035         QSize mapSize() const;
0036 
0037         size_t nbPixels(int pixelIndex) const;
0038         size_t nbBorderPixels(int pixelIndex1, int pixelIndex2) const;
0039         const QVector<uchar> outerPixelIndices() const { return p_outerPixelIndices;}
0040 
0041     public Q_SLOTS:
0042         void setGameImage();
0043         void setAutomaticZoom(bool b);
0044     
0045     Q_SIGNALS:
0046         void setMoveActionChecked(bool b);
0047         void setZoomActionChecked(bool b);
0048         void setMoveActionEnabled(bool b);
0049         // color, widget position and map position
0050         void clicked(QRgb, const QPoint&, const QPointF &);
0051     
0052     protected:
0053         void mousePressEvent(QMouseEvent *e) override;
0054         void mouseMoveEvent(QMouseEvent *e) override;
0055         void mouseReleaseEvent(QMouseEvent *e) override;
0056 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
0057         void enterEvent(QEnterEvent *e) override;
0058 #else
0059         void enterEvent(QEvent *e) override;
0060 #endif
0061         void leaveEvent(QEvent *e) override;
0062         void wheelEvent(QWheelEvent *e) override;
0063         void resizeEvent(QResizeEvent *e) override;
0064         void createGameMapImage();
0065         void updateCursor();
0066 
0067     private:
0068 
0069         /**
0070          * Updates the move and zoom toggle states from the current mode.
0071          */
0072         void updateActions();
0073         void updateZoom();
0074         
0075         enum Mode { Zooming, WantZoom, Moving, WantMove, None };
0076         Mode p_mode, p_modeBeforeMidClick;
0077         KGmap *p_map;
0078         QImage *p_mapImage;
0079         QImage *p_gameImage;
0080         QImage *p_currentDivisionImage;
0081         QCursor *p_currentCursor;
0082         QGraphicsRectItem *p_zoomRect;
0083         QGraphicsScene *p_scene;
0084         QPointF p_initial; // for rubberbanding, in scene coords
0085         QPoint p_prev; // for moving, in view coords
0086         bool p_automaticZoom;
0087         QGraphicsPixmapItem *p_currentDivisionItem;
0088         QPoint lastMouseEvent; // to first show the division under the mouse
0089 
0090         QVector<uchar> p_outerPixelIndices;
0091         QVector<size_t> p_pixelsStats; // how many pixels have given indexed val
0092         QVector<size_t> p_bordersStats;// how many border-like pixels have indexed vals pair
0093 };
0094 
0095 #endif