/***************************************************************************
* Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> *
* *
- * 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 *
#ifndef KITEMLISTVIEW_H
#define KITEMLISTVIEW_H
-#include <libdolphin_export.h>
+#include "dolphin_export.h"
+#include "kitemviews/kitemliststyleoption.h"
+#include "kitemviews/kitemlistwidget.h"
+#include "kitemviews/kitemmodelbase.h"
+#include "kitemviews/kstandarditemlistgroupheader.h"
+#include "kitemviews/private/kitemlistviewanimation.h"
-#include <kitemviews/kstandarditemlistgroupheader.h>
-#include <kitemviews/kitemliststyleoption.h>
-#include <kitemviews/kitemlistwidget.h>
-#include <kitemviews/kitemmodelbase.h>
-#include <kitemviews/private/kitemlistviewanimation.h>
#include <QGraphicsWidget>
#include <QSet>
class KItemListWidget;
class KItemListWidgetInformant;
class KItemListWidgetCreatorBase;
-class KItemListViewCreatorBase;
class QTimer;
/**
* @see KItemListWidget
* @see KItemModelBase
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListView : public QGraphicsWidget
+class DOLPHIN_EXPORT KItemListView : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(qreal itemOffset READ itemOffset WRITE setItemOffset)
public:
- KItemListView(QGraphicsWidget* parent = 0);
- virtual ~KItemListView();
+ explicit KItemListView(QGraphicsWidget* parent = nullptr);
+ ~KItemListView() override;
/**
* Offset of the scrollbar that represents the scroll-orientation
qreal maximumItemOffset() const;
+ int maximumVisibleItems() const;
+
void setVisibleRoles(const QList<QByteArray>& roles);
QList<QByteArray> visibleRoles() const;
/**
* @return The basic size of all items. The size of an item may be larger than
- * the basic size (see KItemListView::itemSizeHint() and KItemListView::itemRect()).
+ * the basic size (see KItemListView::itemRect()).
*/
QSizeF itemSize() const;
const KItemListStyleOption& styleOption() const;
- /** @reimp */
- virtual void setGeometry(const QRectF& rect);
+ void setGeometry(const QRectF& rect) override;
+
+ /**
+ * @return The page step which should be used by the vertical scroll bar.
+ * This is the height of the view except for the header widget.
+ */
+ qreal verticalPageStep() const;
/**
* @return Index of the item that is below the point \a pos.
int itemAt(const QPointF& pos) const;
bool isAboveSelectionToggle(int index, const QPointF& pos) const;
bool isAboveExpansionToggle(int index, const QPointF& pos) const;
+ bool isAboveText(int index, const QPointF& pos) const;
/**
* @return Index of the first item that is at least partly visible.
int lastVisibleIndex() const;
/**
- * @return Required size for the item with the index \p index.
- * The returned value might be larger than KItemListView::itemSize().
- * In this case the layout grid will be stretched to assure an
- * unclipped item.
+ * Calculates the required size for all items in the model.
+ * It might be larger than KItemListView::itemSize().
+ * In this case the layout grid will be stretched to assure an
+ * unclipped item.
+ *
+ * @note the logical height (width) is actually the
+ * width (height) if the scroll orientation is Qt::Vertical!
*/
- QSizeF itemSizeHint(int index) const;
+ void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint) const;
/**
* If set to true, items having child-items can be expanded to show the child-items as
- * part of the view. Per default the expanding of items is is disabled. If expanding of
+ * part of the view. Per default the expanding of items is disabled. If expanding of
* items is enabled, the methods KItemModelBase::setExpanded(), KItemModelBase::isExpanded(),
* KItemModelBase::isExpandable() and KItemModelBase::expandedParentsCount()
* must be reimplemented. The view-implementation
/**
* @return The context rectangle of the item relative to the top/left of
* the currently visible area (see KItemListView::offset()). The
- * context rectangle is defined by by the united rectangle of
+ * context rectangle is defined by the united rectangle of
* the icon rectangle and the text rectangle (see KItemListWidget::iconRect()
* and KItemListWidget::textRect()) and is useful as reference for e.g. aligning
* a tooltip or a context-menu for an item. Note that a context rectangle will
* @return Pixmap that is used for a drag operation based on the
* items given by \a indexes.
*/
- virtual QPixmap createDragPixmap(const QSet<int>& indexes) const;
+ virtual QPixmap createDragPixmap(const KItemSet& indexes) const;
/**
* Lets the user edit the role \a role for item with the index \a index.
*/
void editRole(int index, const QByteArray& role);
- /**
- * @reimp
- */
- virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
+ void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
signals:
void scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
protected:
+ QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
void setItemSize(const QSizeF& size);
void setStyleOption(const KItemListStyleOption& option);
virtual void onTransactionBegin();
virtual void onTransactionEnd();
- virtual bool event(QEvent* event);
- virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
- virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
- virtual void dragEnterEvent(QGraphicsSceneDragDropEvent* event);
- virtual void dragMoveEvent(QGraphicsSceneDragDropEvent* event);
- virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent* event);
- virtual void dropEvent(QGraphicsSceneDragDropEvent* event);
+ bool event(QEvent* event) override;
+ void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
+ void mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
+ void dragEnterEvent(QGraphicsSceneDragDropEvent* event) override;
+ void dragMoveEvent(QGraphicsSceneDragDropEvent* event) override;
+ void dragLeaveEvent(QGraphicsSceneDragDropEvent* event) override;
+ void dropEvent(QGraphicsSceneDragDropEvent* event) override;
QList<KItemListWidget*> visibleItemListWidgets() const;
+ virtual void updateFont();
+ virtual void updatePalette();
+
protected slots:
virtual void slotItemsInserted(const KItemRangeList& itemRanges);
virtual void slotItemsRemoved(const KItemRangeList& itemRanges);
virtual void slotItemsMoved(const KItemRange& itemRange, const QList<int>& movedToIndexes);
virtual void slotItemsChanged(const KItemRangeList& itemRanges,
const QSet<QByteArray>& roles);
+ virtual void slotGroupsChanged();
virtual void slotGroupedSortingChanged(bool current);
virtual void slotSortOrderChanged(Qt::SortOrder current, Qt::SortOrder previous);
virtual void slotSortRoleChanged(const QByteArray& current, const QByteArray& previous);
virtual void slotCurrentChanged(int current, int previous);
- virtual void slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous);
+ virtual void slotSelectionChanged(const KItemSet& current, const KItemSet& previous);
private slots:
void slotAnimationFinished(QGraphicsWidget* widget,
/**
* Shows a drop-indicator between items dependent on the given
- * cursor position. The cursor position is relative the the upper left
+ * cursor position. The cursor position is relative to the upper left
* edge of the view.
* @return Index of the item where the dropping is done. An index of -1
* indicates that the item has been dropped after the last item.
* KItemListWidgetCreatorBase and KItemListGroupHeaderCreatorBase.
* @internal
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListCreatorBase
+class DOLPHIN_EXPORT KItemListCreatorBase
{
public:
virtual ~KItemListCreatorBase();
* expensive instantiations and deletions of KItemListWidgets by recycling existing widget
* instances.
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListWidgetCreatorBase : public KItemListCreatorBase
+class DOLPHIN_EXPORT KItemListWidgetCreatorBase : public KItemListCreatorBase
{
public:
- virtual ~KItemListWidgetCreatorBase();
+ ~KItemListWidgetCreatorBase() override;
virtual KItemListWidget* create(KItemListView* view) = 0;
virtual void recycle(KItemListWidget* widget);
- virtual QSizeF itemSizeHint(int index, const KItemListView* view) const = 0;
+ virtual void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const = 0;
virtual qreal preferredRoleColumnWidth(const QByteArray& role,
int index,
{
public:
KItemListWidgetCreator();
- virtual ~KItemListWidgetCreator();
+ ~KItemListWidgetCreator() override;
- virtual KItemListWidget* create(KItemListView* view);
+ KItemListWidget* create(KItemListView* view) override;
- virtual QSizeF itemSizeHint(int index, const KItemListView* view) const;
+ void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const override;
- virtual qreal preferredRoleColumnWidth(const QByteArray& role,
+ qreal preferredRoleColumnWidth(const QByteArray& role,
int index,
- const KItemListView* view) const;
+ const KItemListView* view) const override;
private:
KItemListWidgetInformant* m_informant;
};
}
template<class T>
-QSizeF KItemListWidgetCreator<T>::itemSizeHint(int index, const KItemListView* view) const
+void KItemListWidgetCreator<T>::calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const
{
- return m_informant->itemSizeHint(index, view);
+ return m_informant->calculateItemSizeHints(logicalHeightHints, logicalWidthHint, view);
}
template<class T>
* The intention of the group-header creator is to prevent repetitive and expensive instantiations and
* deletions of KItemListGroupHeaders by recycling existing header instances.
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListGroupHeaderCreatorBase : public KItemListCreatorBase
+class DOLPHIN_EXPORT KItemListGroupHeaderCreatorBase : public KItemListCreatorBase
{
public:
- virtual ~KItemListGroupHeaderCreatorBase();
+ ~KItemListGroupHeaderCreatorBase() override;
virtual KItemListGroupHeader* create(KItemListView* view) = 0;
virtual void recycle(KItemListGroupHeader* header);
};
class KItemListGroupHeaderCreator : public KItemListGroupHeaderCreatorBase
{
public:
- virtual ~KItemListGroupHeaderCreator();
- virtual KItemListGroupHeader* create(KItemListView* view);
+ ~KItemListGroupHeaderCreator() override;
+ KItemListGroupHeader* create(KItemListView* view) override;
};
template <class T>
projects / dolphin.git / blobdiff