-/***************************************************************************
- * 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 KITEMLISTWIDGET_H
#define KITEMLISTWIDGET_H
#include "dolphin_export.h"
-
-#include <kitemviews/kitemliststyleoption.h>
+#include "kitemviews/kitemliststyleoption.h"
#include <QBitArray>
#include <QGraphicsWidget>
#include <QStyle>
+#include <QTimer>
class KItemListSelectionToggle;
class KItemListView;
KItemListWidgetInformant();
virtual ~KItemListWidgetInformant();
- 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,
public:
KItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent);
- virtual ~KItemListWidget();
+ ~KItemListWidget() override;
void setIndex(int index);
int index() const;
* to show the data of the custom model provided by KItemListWidget::data().
* @reimp
*/
- virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0) Q_DECL_OVERRIDE;
+ void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
void setVisibleRoles(const QList<QByteArray>& roles);
QList<QByteArray> visibleRoles() const;
void setColumnWidth(const QByteArray& role, qreal width);
qreal columnWidth(const QByteArray& role) const;
+ void setLeadingPadding(qreal width);
+ qreal leadingPadding() const;
+
void setStyleOption(const KItemListStyleOption& option);
const KItemListStyleOption& styleOption() const;
void setHovered(bool hovered);
bool isHovered() const;
+ void setExpansionAreaHovered(bool hover);
+ bool expansionAreaHovered() const;
+
void setHoverPosition(const QPointF& pos);
void setAlternateBackground(bool enable);
* or KItemListWidget::expansionToggleRect().
* @reimp
*/
- virtual bool contains(const QPointF& point) const;
+ bool contains(const QPointF& point) const override;
/**
* @return Rectangle for the area that shows the icon.
* @return Pixmap that is used when dragging an item. Per default the current state of the
* widget is returned as pixmap.
*/
- virtual QPixmap createDragPixmap(const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
+ virtual QPixmap createDragPixmap(const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr);
-signals:
+Q_SIGNALS:
void roleEditingCanceled(int index, const QByteArray& role, const QVariant& value);
void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
virtual void dataChanged(const QHash<QByteArray, QVariant>& current, const QSet<QByteArray>& roles = QSet<QByteArray>());
virtual void visibleRolesChanged(const QList<QByteArray>& current, const QList<QByteArray>& previous);
virtual void columnWidthChanged(const QByteArray& role, qreal current, qreal previous);
+ virtual void leadingPaddingChanged(qreal width);
virtual void styleOptionChanged(const KItemListStyleOption& current, const KItemListStyleOption& previous);
virtual void currentChanged(bool current);
virtual void selectedChanged(bool selected);
virtual void alternateBackgroundChanged(bool enabled);
virtual void siblingsInformationChanged(const QBitArray& current, const QBitArray& previous);
virtual void editedRoleChanged(const QByteArray& current, const QByteArray& previous);
- virtual void resizeEvent(QGraphicsSceneResizeEvent* event) Q_DECL_OVERRIDE;
+ void resizeEvent(QGraphicsSceneResizeEvent* event) override;
+ void clearHoverCache();
+
+ /**
+ * Called when the user starts hovering this item.
+ */
+ virtual void hoverSequenceStarted();
+
+ /**
+ * Called in regular intervals while the user is hovering this item.
+ *
+ * @param sequenceIndex An index that increases over time while the user hovers.
+ */
+ virtual void hoverSequenceIndexChanged(int sequenceIndex);
+
+ /**
+ * Called when the user stops hovering this item.
+ */
+ virtual void hoverSequenceEnded();
/**
* @return The current opacity of the hover-animation. When implementing a custom painting-code for a hover-state
*/
qreal hoverOpacity() const;
+ int hoverSequenceIndex() const;
+
const KItemListWidgetInformant* informant() const;
-private slots:
+private Q_SLOTS:
void slotHoverAnimationFinished();
+ void slotHoverSequenceTimerTimeout();
private:
void initializeSelectionToggle();
void setHoverOpacity(qreal opacity);
- void clearHoverCache();
void drawItemStyleOption(QPainter* painter, QWidget* widget, QStyle::State styleState);
private:
bool m_selected;
bool m_current;
bool m_hovered;
+ bool m_expansionAreaHovered;
bool m_alternateBackground;
bool m_enabledSelectionToggle;
QHash<QByteArray, QVariant> m_data;
QList<QByteArray> m_visibleRoles;
QHash<QByteArray, qreal> m_columnWidths;
+ qreal m_leadingPadding;
KItemListStyleOption m_styleOption;
QBitArray m_siblingsInfo;
mutable QPixmap* m_hoverCache;
QPropertyAnimation* m_hoverAnimation;
+ int m_hoverSequenceIndex;
+ QTimer m_hoverSequenceTimer;
+
KItemListSelectionToggle* m_selectionToggle;
QByteArray m_editedRole;
projects / dolphin.git / blobdiff