File indexing completed on 2024-04-28 15:52:00

 /*
     SPDX-FileCopyrightText: 2004 Albert Astals Cid <aacid@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef _OKULAR_THUMBNAILLIST_H_
 #define _OKULAR_THUMBNAILLIST_H_
 
 #include <QScrollArea>
 #include <QToolBar>
 
 #include "core/observer.h"
 
 class ThumbnailListPrivate;
 
 namespace Okular
 {
 class Document;
 }
 
 /**
  * @short A scrollview that displays page pixmap previews (aka thumbnails).
  *
  * ...
  */
 class ThumbnailList : public QScrollArea, public Okular::DocumentObserver
 {
     Q_OBJECT
 public:
     ThumbnailList(QWidget *parent, Okular::Document *document);
     ~ThumbnailList() override;
 
     // inherited: create thumbnails ( inherited as a DocumentObserver )
     void notifySetup(const QVector<Okular::Page *> &pages, int setupFlags) override;
     // inherited: hilihght current thumbnail ( inherited as DocumentObserver )
     void notifyCurrentPageChanged(int previous, int current) override;
     // inherited: redraw thumbnail ( inherited as DocumentObserver )
     void notifyPageChanged(int pageNumber, int changedFlags) override;
     // inherited: request all visible pixmap (due to a global change or so..)
     void notifyContentsCleared(int changedFlags) override;
     // inherited: the visible areas of the page have changed
     void notifyVisibleRectsChanged() override;
     // inherited: tell if pixmap is hidden and can be unloaded
     bool canUnloadPixmap(int pageNumber) const override;
 
     // redraw visible widgets (useful for refreshing contents...)
     void updateWidgets();
 
     // show current page in Thumbnails view
     void syncThumbnail();
 
 public Q_SLOTS:
     // these are connected to ThumbnailController buttons
     void slotFilterBookmarks(bool filterOn);
 
 protected:
     // scroll up/down the view
     void keyPressEvent(QKeyEvent *keyEvent) override;
 
     // catch the viewport event and filter them if necessary
     bool viewportEvent(QEvent *) override;
 
 Q_SIGNALS:
     void rightClick(const Okular::Page *, const QPoint);
 
 private:
     friend class ThumbnailListPrivate;
     ThumbnailListPrivate *d;
 };
 
 /**
  * @short A vertical boxed container with zero size hint (for insertion on left toolbox)
  */
 class ThumbnailsBox : public QWidget
 {
     Q_OBJECT
 
 public:
     explicit ThumbnailsBox(QWidget *parent);
     QSize sizeHint() const override;
 };
 
 /**
  * @short A toolbar that sets ThumbnailList properties when clicking on items
  *
  * This class is the small toolbar that resides in the bottom of the
  * ThumbnailsBox container (below ThumbnailList and the SearchLine) and
  * emits signals whenever a button is pressed. A click action results
  * in invoking some method (or slot) in ThumbnailList.
  */
 class ThumbnailController : public QToolBar
 {
     Q_OBJECT
 
 public:
     ThumbnailController(QWidget *parent, ThumbnailList *thumbnailList);
 };
 
 #endif