okular/kdvi_multipage.h

#ifndef __KDVIMULTIPAGE_H
#define __KDVIMULTIPAGE_H


#include <qstringlist.h>


#include <kparts/part.h>
#include <kparts/browserextension.h>
#include <kparts/factory.h>


class QLabel;
class QPainter;
class OptionDialog;


#include <kmultipage.h>


#include "dviwin.h"


class KDVIMultiPageFactory : public KParts::Factory
{
  Q_OBJECT

public:

  KDVIMultiPageFactory();
  virtual ~KDVIMultiPageFactory();

  virtual KParts::Part *createPart( QWidget *parentWidget, const char *widgetName, QObject *parent, const char *name, const char *, const QStringList & );

  static KInstance *instance();

private:

  static KInstance *s_instance;

};


class KDVIMultiPage : public KMultiPage
{
  Q_OBJECT

public:

  KDVIMultiPage(QWidget *parentWidget, const char *widgetName, QObject *parent, const char *name);
  virtual ~KDVIMultiPage();


// Interface definition start ------------------------------------------------

  /// returns the list of supported file formats
  virtual QStringList fileFormats();

  /// opens a file
  virtual bool openFile();

  /// close a file
  virtual bool closeURL();

  /// displays the given page
  virtual bool gotoPage(int page);

  /// sets a zoom factor
  virtual double setZoom(double z);

  /// calculates the zoom needed to fit into a given width
  virtual double zoomForWidth(int width);

  /// calculates the zoom needed to fit into a given height
  virtual double zoomForHeight(int height);

  virtual void setPaperSize(double, double);

  virtual bool preview(QPainter *p, int w, int h);

  virtual bool print(const QStrList &pages, int current);

protected:
  /// For internal use only. See the comments in kdvi_multipage.cpp, right
  //before the timerEvent function.
  int  timer_id;
  /// For internal use only. See the comments in kdvi_multipage.cpp, right
  //before the timerEvent function.
  void timerEvent( QTimerEvent *e );

  virtual void reload();


signals:

  /// Emitted to indicate the number of pages in the file. The
  //receiver will set the current page to zero and call the
  //gotoPage()-method.
  void numberOfPages(int nr);

  /// Emitted to indicate the number of pages in the file and the
  //current page. The receiver will not change or update the display,
  //nor call the gotoPage()-method.
  void pageInfo(int nr, int currpg);

protected slots:

  void doSettings();
  void about();
  void helpme();
  void bugform();
  void preferencesChanged();
  void goto_page(int page, int y);


private:

  dviWindow *window;
  OptionDialog *options;

};


#endif