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110 lines
3.6 KiB
110 lines
3.6 KiB
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef _KPDF_PRESENTATIONWIDGET_H_
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#define _KPDF_PRESENTATIONWIDGET_H_
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#include <tqdialog.h>
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#include <tqpixmap.h>
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#include <tqstringlist.h>
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#include <tqvaluevector.h>
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#include "core/observer.h"
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#include "core/pagetransition.h"
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class KAccel;
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class KActionCollection;
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class KToolBar;
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class TQTimer;
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class KPDFDocument;
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class KPDFPage;
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class KPDFLink;
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class PresentationFrame;
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/**
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* @short A widget that shows pages as fullscreen slides (with transitions fx).
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*
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* This is a fullscreen widget that displays
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*/
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class PresentationWidget : public TQDialog, public DocumentObserver
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{
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Q_OBJECT
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public:
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PresentationWidget( TQWidget * parent, KPDFDocument * doc );
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~PresentationWidget();
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void setupActions( KActionCollection * ac );
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// inherited from DocumentObserver
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uint observerId() const { return PRESENTATION_ID; }
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void notifySetup( const TQValueVector< KPDFPage * > & pages, bool documentChanged );
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void notifyViewportChanged( bool smoothMove );
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void notifyPageChanged( int pageNumber, int changedFlags );
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bool canUnloadPixmap( int pageNumber );
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protected:
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// widget events
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// bool event( TQEvent * e );
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void keyPressEvent( TQKeyEvent * e );
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void wheelEvent( TQWheelEvent * e );
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void mousePressEvent( TQMouseEvent * e );
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void mouseReleaseEvent( TQMouseEvent * e );
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void mouseMoveEvent( TQMouseEvent * e );
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void paintEvent( TQPaintEvent * e );
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private:
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const KPDFLink * getLink( int x, int y, TQRect * geometry = 0 ) const;
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void testCursorOnLink( int x, int y );
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void overlayClick( const TQPoint & position );
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void changePage( int newPage );
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void generatePage();
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void generateIntroPage( TQPainter & p );
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void generateContentsPage( int page, TQPainter & p );
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void generateOverlay();
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void initTransition( const KPDFPageTransition *transition );
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const KPDFPageTransition defaultTransition() const;
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const KPDFPageTransition defaultTransition( int ) const;
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// cache stuff
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int m_width;
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int m_height;
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TQPixmap m_lastRenderedPixmap;
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TQPixmap m_lastRenderedOverlay;
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TQRect m_overlayGeometry;
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const KPDFLink * m_pressedLink;
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bool m_handCursor;
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// transition related
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TQTimer * m_transitionTimer;
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TQTimer * m_overlayHideTimer;
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TQTimer * m_nextPageTimer;
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int m_transitionDelay;
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int m_transitionMul;
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TQValueList< TQRect > m_transitionRects;
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// misc stuff
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KPDFDocument * m_document;
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TQValueVector< PresentationFrame * > m_frames;
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int m_frameIndex;
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TQStringList m_metaStrings;
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KToolBar * m_topBar;
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KAccel * m_accel;
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private slots:
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void slotNextPage();
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void slotPrevPage();
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void slotFirstPage();
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void slotLastPage();
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void slotHideOverlay();
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void slotTransitionStep();
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};
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#endif
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