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103 lines
3.6 KiB
103 lines
3.6 KiB
/*************************************************************************** |
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* Copyright (C) 2004 by Albert Astals Cid <aacid@kde.org> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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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 <QVBoxLayout> |
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#include "core/observer.h" |
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class ThumbnailListPrivate; |
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namespace Okular { |
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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(); |
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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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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 * e ) 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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Q_PRIVATE_SLOT( d, void slotRequestVisiblePixmaps( int newContentsY = -1 ) ) |
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Q_PRIVATE_SLOT( d, void slotDelayTimeout() ) |
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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 ) : QWidget( parent ) { QVBoxLayout *vbox = new QVBoxLayout(this); vbox->setContentsMargins(0, 0, 0, 0); vbox->setSpacing(0);} |
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QSize sizeHint() const override { return QSize(); } |
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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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