80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
// vim: set tabstop=4 shiftwidth=4 expandtab:
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/*
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Gwenview: an image viewer
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Copyright 2011 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
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*/
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#ifndef BIRDEYEVIEW_H
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#define BIRDEYEVIEW_H
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// Local
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// KF
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// Qt
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#include <QGraphicsWidget>
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namespace Gwenview
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{
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class DocumentView;
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struct BirdEyeViewPrivate;
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/**
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* Shows a bird-eye view of the current document. Makes it possible to scroll
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* through the document.
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*/
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class BirdEyeView : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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explicit BirdEyeView(DocumentView *docView);
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~BirdEyeView() override;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
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// Called by DocumentView when it detects mouse movements
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// We cannot use a sceneEventFilter because QGraphicsSceneHoverEvent are not
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// sent to parent items (unlike QHoverEvent). Therefore DocumentView has to
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// do the work of event-filtering the actual document widget.
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void onMouseMoved();
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public Q_SLOTS:
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void slotZoomOrSizeChanged();
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
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void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
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void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
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private Q_SLOTS:
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void slotAutoHideTimeout();
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void slotPositionChanged();
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void slotIsAnimatedChanged();
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private:
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BirdEyeViewPrivate *const d;
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void adjustVisibleRect();
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void adjustGeometry();
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};
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} // namespace
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#endif /* BIRDEYEVIEW_H */
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