-/***************************************************************************
- * 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 *
- * *
- * 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, Boston, MA 02110-1301 USA *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
+ *
+ * Based on the Itemviews NG project from Trolltech Labs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
#ifndef KITEMLISTVIEW_H
#define KITEMLISTVIEW_H
+#include <optional>
+
#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 KItemListWidgetInformant;
class KItemListWidgetCreatorBase;
class QTimer;
+class QPropertyAnimation;
+class QVariantAnimation;
/**
* @brief Represents the view of an item-list.
Q_PROPERTY(qreal itemOffset READ itemOffset WRITE setItemOffset)
public:
- KItemListView(QGraphicsWidget* parent = nullptr);
+ explicit KItemListView(QGraphicsWidget* parent = nullptr);
~KItemListView() override;
/**
*/
QSizeF itemSize() const;
- /**
- * @return The size hint of all items. It is provided by the KItemListSizeHintResolver.
- */
- QSizeF itemSizeHint() const;
-
const KItemListStyleOption& styleOption() const;
void setGeometry(const QRectF& rect) override;
* @return Index of the item that is below the point \a pos.
* The position is relative to the upper right of
* the visible area. Only (at least partly) visible
- * items are considered. -1 is returned if no item is
- * below the position.
+ * items are considered. std::nullopt is returned if
+ * no item is below the position.
*/
- int itemAt(const QPointF& pos) const;
+ std::optional<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;
* @note the logical height (width) is actually the
* width (height) if the scroll orientation is Qt::Vertical!
*/
- void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint) const;
+ void calculateItemSizeHints(QVector<std::pair<qreal, bool>>& 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
void setSupportsItemExpanding(bool supportsExpanding);
bool supportsItemExpanding() const;
+ void setHighlightEntireRow(bool highlightEntireRow);
+ bool highlightEntireRow() const;
+
+ void setAlternateBackgrounds(bool alternate);
+ bool alternateBackgrounds() const;
+
/**
* @return The rectangle of the item relative to the top/left of
* the currently visible area (see KItemListView::offset()).
/**
* @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
*/
QRectF itemContextRect(int index) const;
+ /**
+ * @return Whether or not the name of the file has been elided. At present this will
+ * only ever be true when in icons view.
+ */
+ bool isElided(int index) const;
+
/**
* Scrolls to the item with the index \a index so that the item
* will be fully visible.
void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
-signals:
+Q_SIGNALS:
void scrollOrientationChanged(Qt::Orientation current, Qt::Orientation previous);
void scrollOffsetChanged(qreal current, qreal previous);
void maximumScrollOffsetChanged(qreal current, qreal previous);
void roleEditingCanceled(int index, const QByteArray& role, const QVariant& value);
void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
+ /**
+ * Emitted once scrolling has finished, or immediately if no scrolling was necessary
+ * to get item in view in scrollToItem.
+ */
+ void scrollingStopped();
+
protected:
QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
void setItemSize(const QSizeF& size);
virtual void onScrollOffsetChanged(qreal current, qreal previous);
virtual void onVisibleRolesChanged(const QList<QByteArray>& current, const QList<QByteArray>& previous);
virtual void onStyleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous);
+ virtual void onHighlightEntireRowChanged(bool highlightEntireRow);
virtual void onSupportsItemExpandingChanged(bool supportsExpanding);
virtual void onTransactionBegin();
virtual void updateFont();
virtual void updatePalette();
-protected slots:
+ KItemListSizeHintResolver* m_sizeHintResolver;
+
+protected Q_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 slotCurrentChanged(int current, int previous);
virtual void slotSelectionChanged(const KItemSet& current, const KItemSet& previous);
-private slots:
+private Q_SLOTS:
void slotAnimationFinished(QGraphicsWidget* widget,
KItemListViewAnimation::AnimationType type);
void slotLayoutTimerFinished();
qreal currentWidth,
qreal previousWidth);
+ void slotLeadingPaddingChanged(qreal width);
+
/**
* Is invoked if a column has been moved by the user. Applies
* the moved role to the view.
/**
* Resizes the column-widths of m_headerWidget based on the preferred widths
- * and the vailable view-size.
+ * and the available view-size.
*/
void applyAutomaticColumnWidths();
private:
bool m_enabledSelectionToggles;
bool m_grouped;
+ bool m_highlightEntireRow;
+ bool m_alternateBackgrounds;
bool m_supportsItemExpanding;
bool m_editingRole;
int m_activeTransactions; // Counter for beginTransaction()/endTransaction()
QHash<int, Cell> m_visibleCells;
int m_scrollBarExtent;
- KItemListSizeHintResolver* m_sizeHintResolver;
KItemListViewLayouter* m_layouter;
KItemListViewAnimation* m_animation;
bool m_skipAutoScrollForRubberBand;
KItemListRubberBand* m_rubberBand;
+ KItemListRubberBand* m_tapAndHoldIndicator;
QPointF m_mousePos;
int m_autoScrollIncrement;
KItemListHeader* m_header;
KItemListHeaderWidget* m_headerWidget;
+ QPropertyAnimation* m_indicatorAnimation;
+
// 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
// by KItemListView::showDropIndicator() and KItemListView::hideDropIndicator().
QRectF m_dropIndicator;
+ QList<QVariantAnimation*> m_rubberBandAnimations;
+
friend class KItemListContainer; // Accesses scrollBarRequired()
friend class KItemListHeader; // Accesses m_headerWidget
friend class KItemListController;
virtual void recycle(KItemListWidget* widget);
- virtual void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const = 0;
+ virtual void calculateItemSizeHints(QVector<std::pair<qreal, bool>>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const = 0;
virtual qreal preferredRoleColumnWidth(const QByteArray& role,
int index,
KItemListWidget* create(KItemListView* view) override;
- void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const override;
+ void calculateItemSizeHints(QVector<std::pair<qreal, bool>>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const override;
qreal preferredRoleColumnWidth(const QByteArray& role,
int index,
widget = new T(m_informant, view);
addCreatedWidget(widget);
}
+ widget->setParentItem(view);
return widget;
}
template<class T>
-void KItemListWidgetCreator<T>::calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const
+void KItemListWidgetCreator<T>::calculateItemSizeHints(QVector<std::pair<qreal, bool>>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const
{
return m_informant->calculateItemSizeHints(logicalHeightHints, logicalWidthHint, view);
}
* @brief Base class for creating KItemListGroupHeaders.
*
* It is recommended that applications simply use the KItemListGroupHeaderCreator-template class.
- * For a custom implementation the methods create() and recyle() must be reimplemented.
+ * For a custom implementation the methods create() and recycle() must be reimplemented.
* The intention of the group-header creator is to prevent repetitive and expensive instantiations and
* deletions of KItemListGroupHeaders by recycling existing header instances.
*/
projects / dolphin.git / blobdiff