1 files changed, 108 insertions, 0 deletions
diff --git a/kpdf/ui/presentationwidget.h b/kpdf/ui/presentationwidget.h
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+++ b/kpdf/ui/presentationwidget.h
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+/***************************************************************************
+ *   Copyright (C) 2004 by Enrico Ros <eros.kde@email.it>                  *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+
+#ifndef _KPDF_PRESENTATIONWIDGET_H_
+#define _KPDF_PRESENTATIONWIDGET_H_
+
+#include <qdialog.h>
+#include <qpixmap.h>
+#include <qstringlist.h>
+#include <qvaluevector.h>
+#include "core/observer.h"
+#include "core/pagetransition.h"
+
+class KAccel;
+class KActionCollection;
+class KToolBar;
+class QTimer;
+
+class KPDFDocument;
+class KPDFPage;
+class KPDFLink;
+class PresentationFrame;
+
+/**
+ * @short A widget that shows pages as fullscreen slides (with transitions fx).
+ *
+ * This is a fullscreen widget that displays 
+ */
+class PresentationWidget : public QDialog, public DocumentObserver
+{
+    Q_OBJECT
+    public:
+        PresentationWidget( QWidget * parent, KPDFDocument * doc );
+        ~PresentationWidget();
+
+        void setupActions( KActionCollection * ac );
+
+        // inherited from DocumentObserver
+        uint observerId() const { return PRESENTATION_ID; }
+        void notifySetup( const QValueVector< KPDFPage * > & pages, bool documentChanged );
+        void notifyViewportChanged( bool smoothMove );
+        void notifyPageChanged( int pageNumber, int changedFlags );
+        bool canUnloadPixmap( int pageNumber );
+
+    protected:
+        // widget events
+//        bool event( QEvent * e );
+        void keyPressEvent( QKeyEvent * e );
+        void wheelEvent( QWheelEvent * e );
+        void mousePressEvent( QMouseEvent * e );
+        void mouseReleaseEvent( QMouseEvent * e );
+        void mouseMoveEvent( QMouseEvent * e );
+        void paintEvent( QPaintEvent * e );
+
+    private:
+        const KPDFLink * getLink( int x, int y, QRect * geometry = 0 ) const;
+        void testCursorOnLink( int x, int y );
+        void overlayClick( const QPoint & position );
+        void changePage( int newPage );
+        void generatePage();
+        void generateIntroPage( QPainter & p );
+        void generateContentsPage( int page, QPainter & p );
+        void generateOverlay();
+        void initTransition( const KPDFPageTransition *transition );
+        const KPDFPageTransition defaultTransition() const;
+        const KPDFPageTransition defaultTransition( int ) const;
+
+        // cache stuff
+        int m_width;
+        int m_height;
+        QPixmap m_lastRenderedPixmap;
+        QPixmap m_lastRenderedOverlay;
+        QRect m_overlayGeometry;
+        const KPDFLink * m_pressedLink;
+        bool m_handCursor;
+
+        // transition related
+        QTimer * m_transitionTimer;
+        QTimer * m_overlayHideTimer;
+        QTimer * m_nextPageTimer;
+        int m_transitionDelay;
+        int m_transitionMul;
+        QValueList< QRect > m_transitionRects;
+
+        // misc stuff
+        KPDFDocument * m_document;
+        QValueVector< PresentationFrame * > m_frames;
+        int m_frameIndex;
+        QStringList m_metaStrings;
+        KToolBar * m_topBar;
+        KAccel * m_accel;
+
+    private slots:
+        void slotNextPage();
+        void slotPrevPage();
+        void slotFirstPage();
+        void slotLastPage();
+        void slotHideOverlay();
+        void slotTransitionStep();
+};
+
+#endif