REventHandler.h

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#ifndef REVENTHANDLER_H
#define REVENTHANDLER_H
 
#include "gui_global.h"
 
#include <QObject>
#include <QMetaObject>
#include <QMetaType>
 
class QScrollBar;
class QUrl;
class QWidget;
class QMimeData;
class QDragEnterEvent;
 
class RDocumentInterface;
class RGraphicsView;
class RRulerQt;
class RSnap;
class RVector;
class RTextLabel;
class RSnapRestriction;
class RGraphicsViewWorker;
 
class QCADGUI_EXPORT REventHandler : public QObject {
    Q_OBJECT
 
public:
    REventHandler(QWidget* widget = NULL, RDocumentInterface* documentInterface = NULL);
 
    static bool isUrl(const QString& urlString);
    static QList<QUrl> getUrlsFromMimeData(QMimeData* mimeData);
 
    void drawInfoLabel(RGraphicsViewWorker* worker, const RTextLabel& textLabel);
    void drawSnapLabel(RGraphicsViewWorker* worker, const RVector& pos, const RVector& posRestriction, const QString& text);
 
public slots:
    void dragEnter(QDragEnterEvent* event);
 
    void updateTextLabel(RGraphicsViewWorker* worker, const RTextLabel& textLabel);
    void updateSnapInfo(RGraphicsViewWorker* worker, RSnap* snap, RSnapRestriction* restriction);
    void viewportChanged();
 
    void horizontalScrolled(double pos);
    void verticalScrolled(double pos);
 
private:
    QWidget* widget;
    RDocumentInterface* documentInterface;
    QScrollBar* hsb;
    QScrollBar* vsb;
    RGraphicsView* graphicsView;
    RRulerQt* hruler;
    RRulerQt* vruler;
};
 
Q_DECLARE_METATYPE(REventHandler*)
 
#endif