okular/ui/minibar.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Enrico Ros <eros.kde@email.it>                  *
   3  *   Copyright (C) 2006 by Albert Astals Cid <aacid@kde.org>               *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  ***************************************************************************/
  10
  11 #ifndef _OKULAR_MINIBAR_H_
  12 #define _OKULAR_MINIBAR_H_
  13
  14 #include <qwidget.h>
  15 #include "core/observer.h"
  16
  17 namespace Okular {
  18 class Document;
  19 }
  20
  21 class PagesEdit;
  22 class HoverButton;
  23
  24 /**
  25  * @short A widget to display page number and change current page.
  26  */
  27 class MiniBar : public QWidget, public Okular::DocumentObserver
  28 {
  29     Q_OBJECT
  30     public:
  31         MiniBar( QWidget *parent, Okular::Document * document );
  32         ~MiniBar();
  33
  34         // [INHERITED] from DocumentObserver
  35         uint observerId() const { return MINIBAR_ID; }
  36         void notifySetup( const QVector< Okular::Page * > & pages, int setupFlags );
  37         void notifyViewportChanged( bool smoothMove );
  38
  39     signals:
  40         void gotoPage();
  41         void prevPage();
  42         void nextPage();
  43
  44     public slots:
  45         void slotChangePage();
  46         void slotEmitNextPage();
  47         void slotEmitPrevPage();
  48
  49     private:
  50         void resizeForPage( int pages );
  51
  52         Okular::Document * m_document;
  53         PagesEdit * m_pagesEdit;
  54         HoverButton * m_prevButton;
  55         HoverButton * m_pagesButton;
  56         HoverButton * m_nextButton;
  57         int m_currentPage;
  58 };
  59
  60 /**
  61  * @short A small progress bar.
  62  */
  63 class ProgressWidget : public QWidget, public Okular::DocumentObserver
  64 {
  65     Q_OBJECT
  66     public:
  67         ProgressWidget( QWidget * parent, Okular::Document * document );
  68         ~ProgressWidget();
  69
  70         // [INHERITED] from DocumentObserver
  71         uint observerId() const { return PROGRESSWIDGET_ID; }
  72         void notifyViewportChanged( bool smoothMove );
  73
  74         void slotGotoNormalizedPage( float index );
  75
  76     signals:
  77         void prevPage();
  78         void nextPage();
  79
  80     protected:
  81         void setProgress( float percentage );
  82
  83         void mouseMoveEvent( QMouseEvent * e );
  84         void mousePressEvent( QMouseEvent * e );
  85         void wheelEvent( QWheelEvent * e );
  86         void paintEvent( QPaintEvent * e );
  87
  88     private:
  89         Okular::Document * m_document;
  90         int m_currentPage;
  91         float m_progressPercentage;
  92 };
  93
  94 #endif