212 lines
7.1 KiB
C++
212 lines
7.1 KiB
C++
/*
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* Copyright (C) 2015-2017 Jolla Ltd.
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* Contact: Slava Monich <slava.monich@jolla.com>
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*
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* You may use this file under the terms of the BSD license as follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Jolla Ltd nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BOOKS_PAGE_WIDGET_H
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#define BOOKS_PAGE_WIDGET_H
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#include "BooksTypes.h"
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#include "BooksTask.h"
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#include "BooksTaskQueue.h"
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#include "BooksSettings.h"
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#include "BooksBookModel.h"
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#include "BooksPos.h"
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#include "BooksPaintContext.h"
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#include "BooksLoadingProperty.h"
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#include "ZLTextStyle.h"
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#include <QQuickPaintedItem>
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#include <QTimer>
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#include <QList>
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class BooksPageWidget: public QQuickPaintedItem, private BooksLoadingProperty
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{
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Q_OBJECT
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Q_PROPERTY(bool loading READ loading NOTIFY loadingChanged)
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Q_PROPERTY(bool selecting READ selecting NOTIFY selectingChanged)
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Q_PROPERTY(bool selectionEmpty READ selectionEmpty NOTIFY selectionEmptyChanged)
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Q_PROPERTY(bool pressed READ pressed WRITE setPressed NOTIFY pressedChanged)
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Q_PROPERTY(bool currentPage READ currentPage WRITE setCurrentPage NOTIFY currentPageChanged)
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Q_PROPERTY(int page READ page WRITE setPage NOTIFY pageChanged)
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Q_PROPERTY(int leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged)
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Q_PROPERTY(int rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged)
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Q_PROPERTY(int topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged)
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Q_PROPERTY(int bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged)
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Q_PROPERTY(BooksBookModel* model READ model WRITE setModel NOTIFY modelChanged)
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public:
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class Data;
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explicit BooksPageWidget(QQuickItem* aParent = NULL);
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~BooksPageWidget();
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bool loading() const;
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bool selecting() const;
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bool selectionEmpty() const;
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bool pressed() const;
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void setPressed(bool aPressed);
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bool currentPage() const;
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void setCurrentPage(bool aCurrentPage);
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int page() const;
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void setPage(int aPage);
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BooksBookModel* model() const;
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void setModel(BooksBookModel* aModel);
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int leftMargin() const;
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int rightMargin() const;
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int topMargin() const;
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int bottomMargin() const;
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void setLeftMargin(int aMargin);
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void setRightMargin(int aMargin);
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void setTopMargin(int aMargin);
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void setBottomMargin(int aMargin);
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BooksMargins margins() const;
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Q_INVOKABLE void handlePress(int aX, int aY);
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Q_INVOKABLE void handleLongPress(int aX, int aY);
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Q_INVOKABLE void handlePositionChanged(int aX, int aY);
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Q_INVOKABLE void clearSelection();
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Q_SIGNALS:
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void loadingChanged();
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void pressedChanged();
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void selectingChanged();
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void selectionEmptyChanged();
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void currentPageChanged();
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void pageChanged();
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void modelChanged();
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void leftMarginChanged();
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void rightMarginChanged();
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void topMarginChanged();
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void bottomMarginChanged();
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void browserLinkPressed(QString url);
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void imagePressed(QString imageId, QRect rect);
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void activeTouch(int touchX, int touchY);
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void jumpToPage(int page);
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void showFootnote(int touchX, int touchY, QString text, QString imageId);
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void pushPosition(BooksPos position);
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private Q_SLOTS:
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void onWidthChanged();
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void onHeightChanged();
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void onResizeTimeout();
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void onBookModelChanged();
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void onBookModelDestroyed();
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void onBookModelPageMarksChanged();
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void onBookModelLoadingChanged();
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void onTextStyleChanged();
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void onInvertColorsChanged();
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void onResetTaskDone();
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void onRenderTaskDone();
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void onClearSelectionTaskDone();
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void onStartSelectionTaskDone();
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void onExtendSelectionTaskDone();
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void onPressTaskDone();
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void onLongPressTaskDone();
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void onFootnoteTaskDone();
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private:
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void paint(QPainter *painter);
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void updateSize();
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void resetView();
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void releaseExtendSelectionTasks();
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void scheduleRepaint();
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void cancelRepaint();
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bool invertColors() const;
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private:
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class ResetTask;
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class RenderTask;
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class PressTask;
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class ClearSelectionTask;
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class StartSelectionTask;
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class ExtendSelectionTask;
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class FootnoteTask;
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QSharedPointer<BooksSettings> iSettings;
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shared_ptr<BooksTaskQueue> iTaskQueue;
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shared_ptr<ZLTextStyle> iTextStyle;
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BooksPos iPageMark;
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QTimer* iResizeTimer;
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BooksBookModel* iModel;
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BooksMargins iMargins;
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shared_ptr<Data> iData;
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QImage iImage;
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ResetTask* iResetTask;
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RenderTask* iRenderTask;
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ClearSelectionTask* iClearSelectionTask;
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StartSelectionTask* iStartSelectionTask;
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QList<ExtendSelectionTask*> iExtendSelectionTasks;
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PressTask* iPressTask;
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PressTask* iLongPressTask;
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FootnoteTask* iFootnoteTask;
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bool iEmpty;
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bool iPressed;
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bool iSelecting;
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bool iSelectionEmpty;
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bool iCurrentPage;
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int iPage;
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};
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inline bool BooksPageWidget::pressed() const
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{ return iPressed; }
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inline bool BooksPageWidget::selecting() const
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{ return iSelecting; }
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inline bool BooksPageWidget::selectionEmpty() const
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{ return iSelectionEmpty; }
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inline bool BooksPageWidget::currentPage() const
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{ return iCurrentPage; }
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inline int BooksPageWidget::page() const
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{ return iPage; }
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inline BooksBookModel* BooksPageWidget::model() const
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{ return iModel; }
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inline int BooksPageWidget::leftMargin() const
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{ return iMargins.iLeft; }
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inline int BooksPageWidget::rightMargin() const
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{ return iMargins.iRight; }
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inline int BooksPageWidget::topMargin() const
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{ return iMargins.iTop; }
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inline int BooksPageWidget::bottomMargin() const
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{ return iMargins.iBottom; }
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inline BooksMargins BooksPageWidget::margins() const
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{ return iMargins; }
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inline bool BooksPageWidget::invertColors() const
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{ return iSettings && iSettings->invertColors(); }
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#endif // BOOKS_PAGE_WIDGET_H
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