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/*
mapwidget.h
This file is part of the Project::OSiRiON world editor
and is distributed under the terms and conditions of
the GNU General Public License version 2
*/
#ifndef __INCLUDED_EDITOR_MAPWIDGET__
#define __INCLUDED_EDITOR_MAPWIDGET__
#include "entityproperties.h"
#include <QWidget>
#include <QList>
namespace editor
{
class EntityWidget;
class Manipulator;
/**
* @brief MapWidget shows the zone map with the blue grid line
* */
class MapWidget : public QWidget
{
Q_OBJECT
public:
MapWidget(QWidget *parent = 0);
/**
* @brief add an entity to the map
* */
EntityWidget *addEntity();
void save(QTextStream &textstream);
/**
* @brief return the currently selected entity
* */
inline EntityWidget *selected() {
return mapwidget_selected;
}
/**
* @return the current map zoom factor
* */
float zoom() const;
protected:
/**
* @brief handle draw events
* */
virtual void paintEvent(QPaintEvent *event);
/**
* @brief handle resize events
* */
virtual void resizeEvent(QResizeEvent *event);
/**
* @brief handle mouse button press events
* */
virtual void mousePressEvent(QMouseEvent *event);
/**
* @brief handle mouse button press events
* */
virtual void mouseReleaseEvent(QMouseEvent *event);
/**
* @brief handle mouse move press events
* */
virtual void mouseMoveEvent(QMouseEvent *event);
/**
* @brief handle mousewheel events
* */
virtual void wheelEvent(QWheelEvent *event);
/**
* @brief handle keypress events
* */
virtual void keyPressEvent(QKeyEvent *event);
signals:
/**
* @brief the selected() signal is emitted if an entity on the map is selected
* */
void propertiesChanged(EntityProperties *properties);
public slots:
/**
* @brief move and resize child widgets
* This should be called whenever a child location on the map has changed.
* */
void resizeChildren();
/**
* @brief delete selected entities
* */
void deleteSelected();
/**
* @brief duplicate selected entities
* */
void duplicateSelected();
/**
* @brief called when an entity on the map has been clicked
* */
void select(EntityWidget *entity);
private slots:
/**
* @brief clear current selection
* */
void deselect();
/**
* @brief entity is dragged
* */
void dragEntity(EntityWidget *entity, int x, int y);
private:
typedef QList<EntityWidget *> Entities;
int dragstart_x;
int dragstart_y;
bool is_dragging;
// zoom factor, as a power of 2
int mapwidget_zoomfactor;
// center of the map, in world coordinates
Vector3f mapwidget_center;
Entities mapwidget_enties;
EntityWidget *mapwidget_selected;
Manipulator *mapwidget_manipulator;
};
}
#endif // __INCLUDED_EDITOR_MAPWIDGET__
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