mirror of
https://invent.kde.org/graphics/okular
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a3fde02232
Added context menu entry to quick sync thumbnails with the current page. This is handy in case the user is not using "Link the thumbnails with the page" and wants quick sync thumbnails without changing settings or search for the page in the thumbnails view. Before  After 
100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2004 Albert Astals Cid <aacid@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _OKULAR_THUMBNAILLIST_H_
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#define _OKULAR_THUMBNAILLIST_H_
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#include <QScrollArea>
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#include <QToolBar>
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#include "core/observer.h"
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class ThumbnailListPrivate;
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namespace Okular
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{
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class Document;
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}
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/**
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* @short A scrollview that displays page pixmap previews (aka thumbnails).
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*
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* ...
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*/
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class ThumbnailList : public QScrollArea, public Okular::DocumentObserver
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{
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Q_OBJECT
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public:
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ThumbnailList(QWidget *parent, Okular::Document *document);
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~ThumbnailList() override;
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// inherited: create thumbnails ( inherited as a DocumentObserver )
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void notifySetup(const QVector<Okular::Page *> &pages, int setupFlags) override;
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// inherited: hilihght current thumbnail ( inherited as DocumentObserver )
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void notifyCurrentPageChanged(int previous, int current) override;
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// inherited: redraw thumbnail ( inherited as DocumentObserver )
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void notifyPageChanged(int pageNumber, int changedFlags) override;
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// inherited: request all visible pixmap (due to a global change or so..)
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void notifyContentsCleared(int changedFlags) override;
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// inherited: the visible areas of the page have changed
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void notifyVisibleRectsChanged() override;
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// inherited: tell if pixmap is hidden and can be unloaded
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bool canUnloadPixmap(int pageNumber) const override;
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// redraw visible widgets (useful for refreshing contents...)
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void updateWidgets();
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// show current page in Thumbnails view
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void syncThumbnail();
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public Q_SLOTS:
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// these are connected to ThumbnailController buttons
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void slotFilterBookmarks(bool filterOn);
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protected:
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// scroll up/down the view
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void keyPressEvent(QKeyEvent *keyEvent) override;
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// catch the viewport event and filter them if necessary
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bool viewportEvent(QEvent *) override;
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Q_SIGNALS:
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void rightClick(const Okular::Page *, const QPoint);
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private:
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friend class ThumbnailListPrivate;
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ThumbnailListPrivate *d;
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};
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/**
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* @short A vertical boxed container with zero size hint (for insertion on left toolbox)
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*/
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class ThumbnailsBox : public QWidget
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{
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Q_OBJECT
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public:
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explicit ThumbnailsBox(QWidget *parent);
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QSize sizeHint() const override;
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};
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/**
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* @short A toolbar that sets ThumbnailList properties when clicking on items
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*
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* This class is the small toolbar that resides in the bottom of the
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* ThumbnailsBox container (below ThumbnailList and the SearchLine) and
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* emits signals whenever a button is pressed. A click action results
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* in invoking some method (or slot) in ThumbnailList.
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*/
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class ThumbnailController : public QToolBar
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{
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Q_OBJECT
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public:
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ThumbnailController(QWidget *parent, ThumbnailList *thumbnailList);
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};
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#endif
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