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