X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/074acd8009765f5e6ad5cb7f1887d50f4aea5a58..b65576a131eb59eaab4d33af830bdb2d2f9fde9f:/src/kitemviews/kitemlistcontainer.h diff --git a/src/kitemviews/kitemlistcontainer.h b/src/kitemviews/kitemlistcontainer.h index 5f846a9bf..9fcb88969 100644 --- a/src/kitemviews/kitemlistcontainer.h +++ b/src/kitemviews/kitemlistcontainer.h @@ -1,8 +1,7 @@ /*************************************************************************** * Copyright (C) 2011 by Peter Penz * * * - * Based on the Itemviews NG project from Trolltech Labs: * - * http://qt.gitorious.org/qt-labs/itemviews-ng * + * Based on the Itemviews NG project from Trolltech Labs * * * * 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 * @@ -23,56 +22,71 @@ #ifndef KITEMLISTCONTAINER_H #define KITEMLISTCONTAINER_H -#include +#include "dolphin_export.h" -#include #include class KItemListController; +class KItemListSmoothScroller; class KItemListView; class KItemModelBase; -class QPropertyAnimation; /** * @brief Provides a QWidget based scrolling view for a KItemListController. * + * The model and view are maintained by the KItemListController. + * * @see KItemListController */ -class LIBDOLPHINPRIVATE_EXPORT KItemListContainer : public QAbstractScrollArea +class DOLPHIN_EXPORT KItemListContainer : public QAbstractScrollArea { Q_OBJECT public: - explicit KItemListContainer(KItemListController* controller, QWidget* parent = 0); - KItemListContainer(QWidget* parent = 0); - virtual ~KItemListContainer(); - + /** + * @param controller Controller that maintains the model and the view. + * The KItemListContainer takes ownership of the controller + * (the parent will be set to the KItemListContainer). + * @param parent Optional parent widget. + */ + explicit KItemListContainer(KItemListController* controller, QWidget* parent = nullptr); + ~KItemListContainer() override; KItemListController* controller() const; + void setEnabledFrame(bool enable); + bool enabledFrame() const; + protected: - virtual void keyPressEvent(QKeyEvent* event); - virtual void showEvent(QShowEvent* event); - virtual void resizeEvent(QResizeEvent* event); - virtual void scrollContentsBy(int dx, int dy); - virtual bool eventFilter(QObject* obj, QEvent* event); - virtual void wheelEvent(QWheelEvent* event); + void keyPressEvent(QKeyEvent* event) override; + void showEvent(QShowEvent* event) override; + void resizeEvent(QResizeEvent* event) override; + void scrollContentsBy(int dx, int dy) override; + void wheelEvent(QWheelEvent* event) override; private slots: + void slotScrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous); void slotModelChanged(KItemModelBase* current, KItemModelBase* previous); void slotViewChanged(KItemListView* current, KItemListView* previous); - void slotAnimationStateChanged(QAbstractAnimation::State newState, QAbstractAnimation::State oldState); void scrollTo(qreal offset); - void updateScrollBars(); + void updateScrollOffsetScrollBar(); + void updateItemOffsetScrollBar(); private: - void initialize(); void updateGeometries(); + void updateSmoothScrollers(Qt::Orientation orientation); + + /** + * Helper method for updateScrollOffsetScrollBar(). Updates the scrollbar-policy + * to Qt::ScrollBarAlwaysOn for cases where turning off the scrollbar might lead + * to an endless layout loop (see bug #293318). + */ + void updateScrollOffsetScrollBarPolicy(); private: KItemListController* m_controller; - bool m_smoothScrolling; - QPropertyAnimation* m_smoothScrollingAnimation; + KItemListSmoothScroller* m_horizontalSmoothScroller; + KItemListSmoothScroller* m_verticalSmoothScroller; }; #endif