#ifndef KITEMLISTVIEW_H
#define KITEMLISTVIEW_H
-#include <libdolphin_export.h>
+#include "libdolphin_export.h"
-#include <kitemviews/kitemlistgroupheader.h>
+#include <kitemviews/kstandarditemlistgroupheader.h>
#include <kitemviews/kitemliststyleoption.h>
#include <kitemviews/kitemlistwidget.h>
#include <kitemviews/kitemmodelbase.h>
class KItemListWidget;
class KItemListWidgetInformant;
class KItemListWidgetCreatorBase;
-class KItemListViewCreatorBase;
class QTimer;
/**
qreal maximumItemOffset() const;
+ int maximumVisibleItems() const;
+
void setVisibleRoles(const QList<QByteArray>& roles);
QList<QByteArray> visibleRoles() const;
void setGroupHeaderCreator(KItemListGroupHeaderCreatorBase* groupHeaderCreator);
KItemListGroupHeaderCreatorBase* groupHeaderCreator() 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()).
+ */
QSizeF itemSize() const;
const KItemListStyleOption& styleOption() const;
- /** @reimp */
- virtual void setGeometry(const QRectF& rect);
+ virtual void setGeometry(const QRectF& rect) Q_DECL_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 lastVisibleIndex() const;
/**
- * @return Required size for the item with the index \p index.
- * The returned value might be larger than KItemListView::itemSize().
+ * @return 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
/**
* @return Pixmap that is used for a drag operation based on the
- * items given by \a indexes. The default implementation returns
- * a null-pixmap.
+ * 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);
+ virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0) Q_DECL_OVERRIDE;
signals:
void scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
protected:
+ virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value) Q_DECL_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);
+ virtual bool event(QEvent* event) Q_DECL_OVERRIDE;
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent* event) Q_DECL_OVERRIDE;
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* event) Q_DECL_OVERRIDE;
+ virtual void dragEnterEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE;
+ virtual void dragMoveEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE;
+ virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE;
+ virtual void dropEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_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,
*/
bool scrollBarRequired(const QSizeF& size) const;
+ /**
+ * Shows a drop-indicator between items dependent on the given
+ * cursor position. The cursor position is relative the 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.
+ */
+ int showDropIndicator(const QPointF& pos);
+ void hideDropIndicator();
+
/**
* Applies the height of the group header to the layouter. The height
* depends on the used scroll orientation.
*/
bool hasSiblingSuccessor(int index) const;
+ /**
+ * Helper method for slotRoleEditingCanceled() and slotRoleEditingFinished().
+ * Disconnects the two Signals "roleEditingCanceled" and
+ * "roleEditingFinished"
+ */
+ void disconnectRoleEditingSignals(int index);
+
/**
* Helper function for triggerAutoScrolling().
* @param pos Logical position of the mouse relative to the range.
KItemListHeader* m_header;
KItemListHeaderWidget* m_headerWidget;
+ // When dragging items into the view where the sort-role of the model
+ // is empty, a visual indicator should be shown during dragging where
+ // the dropping will happen. This indicator is specified by an index
+ // of the item. -1 means that no indicator will be shown at all.
+ // The m_dropIndicator is set by the KItemListController
+ // by KItemListView::showDropIndicator() and KItemListView::hideDropIndicator().
+ QRectF m_dropIndicator;
+
friend class KItemListContainer; // Accesses scrollBarRequired()
friend class KItemListHeader; // Accesses m_headerWidget
friend class KItemListController;
friend class KItemListControllerTest;
+ friend class KItemListViewAccessible;
+ friend class KItemListAccessibleCell;
};
/**
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,
virtual KItemListWidget* create(KItemListView* view);
- virtual QSizeF itemSizeHint(int index, const KItemListView* view) const;
+ virtual void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const;
virtual qreal preferredRoleColumnWidth(const QByteArray& role,
int index,
}
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>
projects / dolphin.git / blobdiff