Modernize: Use nullptr everywhere

[dolphin.git] / src / kitemviews / kitemlistview.h

diff --git a/src/kitemviews/kitemlistview.h b/src/kitemviews/kitemlistview.h
index dbe9230867610975e17e0b9607cd3f9e27dc03ae..e3793e10ef55a513757c52b9000e34a4884451d6 100644 (file)
--- a/src/kitemviews/kitemlistview.h
+++ b/src/kitemviews/kitemlistview.h
@@ -23,7 +23,7 @@
 #ifndef KITEMLISTVIEW_H
 #define KITEMLISTVIEW_H
 
-#include <libdolphin_export.h>
+#include "dolphin_export.h"
 
 #include <kitemviews/kstandarditemlistgroupheader.h>
 #include <kitemviews/kitemliststyleoption.h>
@@ -44,7 +44,6 @@ class KItemListViewLayouter;
 class KItemListWidget;
 class KItemListWidgetInformant;
 class KItemListWidgetCreatorBase;
-class KItemListViewCreatorBase;
 class QTimer;
 
 /**
@@ -60,7 +59,7 @@ class QTimer;
  * @see KItemListWidget
  * @see KItemModelBase
  */
-class LIBDOLPHINPRIVATE_EXPORT KItemListView : public QGraphicsWidget
+class DOLPHIN_EXPORT KItemListView : public QGraphicsWidget
 {
     Q_OBJECT
 
@@ -68,8 +67,8 @@ class LIBDOLPHINPRIVATE_EXPORT KItemListView : public QGraphicsWidget
     Q_PROPERTY(qreal itemOffset READ itemOffset WRITE setItemOffset)
 
 public:
-    KItemListView(QGraphicsWidget* parent = 0);
-    virtual ~KItemListView();
+    KItemListView(QGraphicsWidget* parent = nullptr);
+    ~KItemListView() override;
 
     /**
      * Offset of the scrollbar that represents the scroll-orientation
@@ -155,14 +154,18 @@ public:
 
     /**
      * @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;
 
+    /**
+     * @return The size hint of all items. It is provided by the KItemListSizeHintResolver.
+     */
+    QSizeF itemSizeHint() 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.
@@ -180,6 +183,7 @@ public:
     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.
@@ -194,12 +198,15 @@ public:
     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
@@ -278,10 +285,7 @@ public:
      */
     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);
@@ -321,7 +325,7 @@ signals:
     void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
 
 protected:
-    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+    QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
     void setItemSize(const QSizeF& size);
     void setStyleOption(const KItemListStyleOption& option);
 
@@ -378,16 +382,19 @@ protected:
     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);
@@ -642,7 +649,7 @@ private:
 
     /**
      * 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.
@@ -769,7 +776,7 @@ private:
  * KItemListWidgetCreatorBase and KItemListGroupHeaderCreatorBase.
  * @internal
  */
-class LIBDOLPHINPRIVATE_EXPORT KItemListCreatorBase
+class DOLPHIN_EXPORT KItemListCreatorBase
 {
 public:
     virtual ~KItemListCreatorBase();
@@ -793,16 +800,16 @@ private:
  * 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,
@@ -817,15 +824,15 @@ class KItemListWidgetCreator : public KItemListWidgetCreatorBase
 {
 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;
 };
@@ -854,9 +861,9 @@ KItemListWidget* KItemListWidgetCreator<T>::create(KItemListView* view)
 }
 
 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>
@@ -875,10 +882,10 @@ qreal KItemListWidgetCreator<T>::preferredRoleColumnWidth(const QByteArray& role
  * 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);
 };
@@ -887,8 +894,8 @@ template <class T>
 class KItemListGroupHeaderCreator : public KItemListGroupHeaderCreatorBase
 {
 public:
-    virtual ~KItemListGroupHeaderCreator();
-    virtual KItemListGroupHeader* create(KItemListView* view);
+    ~KItemListGroupHeaderCreator() override;
+    KItemListGroupHeader* create(KItemListView* view) override;
 };
 
 template <class T>