qpdfviewsb/sources/presentationview.h

138 baris
3.0 KiB
C++

/*
Copyright 2012-2013 Adam Reichold
This file is part of qpdfview.
qpdfview 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.
qpdfview is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PRESENTATIONVIEW_H
#define PRESENTATIONVIEW_H
#include <QGraphicsView>
#include "renderparam.h"
namespace qpdfview
{
namespace Model
{
class Page;
}
class Settings;
class PageItem;
class PresentationView : public QGraphicsView
{
Q_OBJECT
public:
PresentationView(const QVector< Model::Page* >& pages, QWidget* parent = 0);
~PresentationView();
int numberOfPages() const { return m_pages.count(); }
int currentPage() const { return m_currentPage; }
ScaleMode scaleMode() const { return m_scaleMode; }
void setScaleMode(ScaleMode scaleMode);
qreal scaleFactor() const { return m_scaleFactor; }
void setScaleFactor(qreal scaleFactor);
Rotation rotation() const { return m_rotation; }
void setRotation(Rotation rotation);
qpdfview::RenderFlags renderFlags() const { return m_renderFlags; }
void setRenderFlags(qpdfview::RenderFlags renderFlags);
signals:
void currentPageChanged(int currentPage, bool trackChange = false);
void scaleModeChanged(ScaleMode scaleMode);
void scaleFactorChanged(qreal scaleFactor);
void rotationChanged(Rotation rotation);
void renderFlagsChanged(qpdfview::RenderFlags renderFlags);
public slots:
void show();
void previousPage();
void nextPage();
void firstPage();
void lastPage();
void jumpToPage(int page, bool trackChange = true);
void jumpBackward();
void jumpForward();
void zoomIn();
void zoomOut();
void originalSize();
void rotateLeft();
void rotateRight();
protected slots:
void on_prefetch_timeout();
void on_pages_cropRectChanged();
void on_pages_linkClicked(bool newTab, int page, qreal left, qreal top);
protected:
void resizeEvent(QResizeEvent* event);
void keyPressEvent(QKeyEvent* event);
void wheelEvent(QWheelEvent* event);
private:
Q_DISABLE_COPY(PresentationView)
static Settings* s_settings;
QTimer* m_prefetchTimer;
QVector< Model::Page* > m_pages;
int m_currentPage;
QList< int > m_past;
QList< int > m_future;
ScaleMode m_scaleMode;
qreal m_scaleFactor;
Rotation m_rotation;
qpdfview::RenderFlags m_renderFlags;
QVector< PageItem* > m_pageItems;
void preparePages();
void prepareBackground();
void prepareScene();
void prepareView();
};
} // qpdfview
#endif // PRESENTATIONVIEW_H