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92 lines
2.9 KiB
92 lines
2.9 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 <qwidget.h> |
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#include <qpixmap.h> |
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#include <qstringlist.h> |
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#include <qvaluevector.h> |
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#include "core/observer.h" |
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#include "core/pagetransition.h" |
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class KToolBar; |
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class QTimer; |
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class KPDFDocument; |
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class KPDFPage; |
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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 QWidget, public KPDFDocumentObserver |
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{ |
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Q_OBJECT |
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public: |
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PresentationWidget( KPDFDocument * doc ); |
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~PresentationWidget(); |
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// inherited from KPDFDocumentObserver |
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uint observerId() const { return PRESENTATION_ID; } |
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void pageSetup( const QValueVector<KPDFPage*> & pages, bool documentChanged ); |
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bool canUnloadPixmap( int pageNumber ); |
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void notifyPixmapChanged( int pageNumber ); |
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protected: |
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// widget events |
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void keyPressEvent( QKeyEvent * e ); |
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void wheelEvent( QWheelEvent * e ); |
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void mousePressEvent( QMouseEvent * e ); |
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void mouseMoveEvent( QMouseEvent * e ); |
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void paintEvent( QPaintEvent * e ); |
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private: |
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void overlayClick( const QPoint & position ); |
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void changePage( int newPage ); |
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void generatePage(); |
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void generateIntroPage( QPainter & p ); |
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void generateContentsPage( int page, QPainter & 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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// cache stuff |
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int m_width; |
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int m_height; |
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QPixmap m_lastRenderedPixmap; |
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QPixmap m_lastRenderedOverlay; |
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QRect m_overlayGeometry; |
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// transition related |
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QTimer * m_transitionTimer; |
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QTimer * m_overlayHideTimer; |
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QTimer * m_advanceTimer; |
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int m_transitionDelay; |
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int m_transitionMul; |
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QValueList< QRect > m_transitionRects; |
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// misc stuff |
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KPDFDocument * m_document; |
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QValueVector< PresentationFrame * > m_frames; |
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int m_frameIndex; |
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QStringList m_metaStrings; |
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KToolBar * m_topBar; |
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private slots: |
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void slotNextPage(); |
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void slotPrevPage(); |
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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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