-/***************************************************************************
- * 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 <libdolphin_export.h>
-
-#include <kitemviews/kitemliststyleoption.h>
+#include "dolphin_export.h"
+#include "kitemviews/kitemliststyleoption.h"
#include <QBitArray>
#include <QGraphicsWidget>
#include <QStyle>
class KItemListSelectionToggle;
+class KItemListView;
class QPropertyAnimation;
+/**
+ * @brief Provides information for creating an instance of KItemListWidget.
+ *
+ * KItemListView only creates KItemListWidget instances for the visible
+ * area. For calculating the required size of all items the expected
+ * size for the invisible items must be accessible. KItemListWidgetInformant
+ * provides this information.
+ */
+class DOLPHIN_EXPORT KItemListWidgetInformant
+{
+public:
+ KItemListWidgetInformant();
+ virtual ~KItemListWidgetInformant();
+
+ virtual void calculateItemSizeHints(QVector<qreal>& logicalHeightHints, qreal& logicalWidthHint, const KItemListView* view) const = 0;
+
+ virtual qreal preferredRoleColumnWidth(const QByteArray& role,
+ int index,
+ const KItemListView* view) const = 0;
+};
+
/**
* @brief Widget that shows a visible item from the model.
*
* All properties are set by KItemListView, for each property there is a corresponding
* virtual protected method that allows to react on property changes.
*/
-class LIBDOLPHINPRIVATE_EXPORT KItemListWidget : public QGraphicsWidget
+class DOLPHIN_EXPORT KItemListWidget : public QGraphicsWidget
{
Q_OBJECT
public:
- KItemListWidget(QGraphicsItem* parent);
- virtual ~KItemListWidget();
+ KItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent);
+ ~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);
+ void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
void setVisibleRoles(const QList<QByteArray>& roles);
QList<QByteArray> visibleRoles() const;
void setHovered(bool hovered);
bool isHovered() const;
+ void setHoverPosition(const QPointF& pos);
+
void setAlternateBackground(bool enable);
bool alternateBackground() const;
* 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.
*/
virtual QRectF textFocusRect() const;
+ /**
+ * @return Rectangle around which a selection box should be drawn if the item is selected.
+ */
+ virtual QRectF selectionRect() const = 0;
+
/**
* @return Rectangle for the selection-toggle that is used to select or deselect an item.
* Per default an empty rectangle is returned which means that no selection-toggle
*/
virtual QRectF expansionToggleRect() const;
-signals:
+ /**
+ * @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 = nullptr);
+
+Q_SIGNALS:
void roleEditingCanceled(int index, const QByteArray& role, const QVariant& value);
void roleEditingFinished(int index, const QByteArray& role, const QVariant& value);
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);
+ void resizeEvent(QGraphicsSceneResizeEvent* event) override;
/**
* @return The current opacity of the hover-animation. When implementing a custom painting-code for a hover-state
*/
qreal hoverOpacity() const;
-private slots:
+ const KItemListWidgetInformant* informant() const;
+
+private Q_SLOTS:
void slotHoverAnimationFinished();
private:
private:
Q_PROPERTY(qreal hoverOpacity READ hoverOpacity WRITE setHoverOpacity)
+ KItemListWidgetInformant* m_informant;
int m_index;
bool m_selected;
bool m_current;
QByteArray m_editedRole;
};
+
+inline const KItemListWidgetInformant* KItemListWidget::informant() const
+{
+ return m_informant;
+}
+
#endif
projects / dolphin.git / blobdiff