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/*
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 PAGEITEM_H
#define PAGEITEM_H
#include <QCache>
#include <QGraphicsObject>
#include <QIcon>
#if QT_VERSION >= QT_VERSION_CHECK(4,7,0)
#include <QStaticText>
#endif // QT_VERSION
#include "global.h"
namespace Model
{
struct Link;
class Annotation;
class FormField;
class Page;
}
class Settings;
class RenderTask;
class PageItem : public QGraphicsObject
{
Q_OBJECT
public:
PageItem(Model::Page* page, int index, bool presentationMode = false, QGraphicsItem* parent = 0);
~PageItem();
QRectF boundingRect() const;
void paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidget*);
int index() const;
const QSizeF& size() const;
bool invertColors();
void setInvertColors(bool invertColors);
const QList< QRectF >& highlights() const;
void setHighlights(const QList< QRectF >& highlights);
RubberBandMode rubberBandMode() const;
void setRubberBandMode(RubberBandMode rubberBandMode);
int physicalDpiX() const;
int physicalDpiY() const;
void setPhysicalDpi(int physicalDpiX, int physicalDpiY);
qreal scaleFactor() const;
void setScaleFactor(qreal scaleFactor);
Rotation rotation() const;
void setRotation(Rotation rotation);
const QTransform& transform() const;
const QTransform& normalizedTransform() const;
signals:
void linkClicked(int page, qreal left = 0.0, qreal top = 0.0);
void linkClicked(const QString& url);
void linkClicked(const QString& fileName, int page);
void rubberBandStarted();
void rubberBandFinished();
void sourceRequested(int page, const QPointF& pos);
public slots:
void refresh();
void startRender(bool prefetch = false);
void cancelRender();
protected slots:
void on_renderTask_finished();
void on_renderTask_imageReady(int physicalDpiX, int physicalDpiY, qreal scaleFactor, Rotation rotation, bool invertColors, bool prefetch, QImage image);
protected:
void hoverEnterEvent(QGraphicsSceneHoverEvent*);
void hoverMoveEvent(QGraphicsSceneHoverEvent* event);
void hoverLeaveEvent(QGraphicsSceneHoverEvent*);
void mousePressEvent(QGraphicsSceneMouseEvent* event);
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent* event);
void contextMenuEvent(QGraphicsSceneContextMenuEvent* event);
private slots:
virtual void loadInteractiveElements();
private:
static Settings* s_settings;
static QCache< PageItem*, QPixmap > s_cache;
Model::Page* m_page;
int m_index;
QSizeF m_size;
QList< Model::Link* > m_links;
QList< Model::Annotation* > m_annotations;
QList< Model::FormField* > m_formFields;
bool m_presentationMode;
bool m_invertColors;
QList< QRectF > m_highlights;
RubberBandMode m_rubberBandMode;
QRectF m_rubberBand;
void copyToClipboard(const QPoint& screenPos);
void addAnnotation(const QPoint& screenPos);
void removeAnnotation(Model::Annotation* annotation, const QPoint& screenPos);
void editAnnotation(Model::Annotation* annotation, const QPoint& screenPos);
void editFormField(Model::FormField* formField, const QPoint& screenPos);
// geometry
int m_physicalDpiX;
int m_physicalDpiY;
qreal m_scaleFactor;
Rotation m_rotation;
QTransform m_transform;
QTransform m_normalizedTransform;
QRectF m_boundingRect;
QPixmap m_pixmap;
void prepareGeometry();
RenderTask* m_renderTask;
};
class ThumbnailItem : public PageItem
{
Q_OBJECT
public:
ThumbnailItem(Model::Page* page, int index, QGraphicsItem* parent = 0);
QRectF boundingRect() const;
void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget);
bool isCurrent() const;
void setCurrent(bool current);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent*);
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent*);
void mouseMoveEvent(QGraphicsSceneMouseEvent*);
void mouseReleaseEvent(QGraphicsSceneMouseEvent*);
void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
private slots:
void loadInteractiveElements();
private:
#if QT_VERSION >= QT_VERSION_CHECK(4,7,0)
QStaticText m_text;
#endif // QT_VERSION
bool m_current;
};
#endif // PAGEITEM_H
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