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// SPDX-FileCopyrightText: 2020 Simon Persson <simon.persson@mykolab.com>
//
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
#ifndef VERSIONLISTDELEGATE_H
#define VERSIONLISTDELEGATE_H
#include <QAbstractItemDelegate>
#include <QParallelAnimationGroup>
class Button : public QObject
{
Q_OBJECT
public:
Button(QString pText, QWidget *pParent);
bool mPushed;
QStyleOptionButton mStyleOption;
QWidget *mParent;
void setPosition(const QPoint &pTopRight);
void paint(QPainter *pPainter, float pOpacity);
bool event(QEvent *pEvent) override;
signals:
void focusChangeRequested(bool pForward);
};
class VersionItemAnimation : public QParallelAnimationGroup
{
Q_OBJECT
Q_PROPERTY(float extraHeight READ extraHeight WRITE setExtraHeight)
Q_PROPERTY(float opacity READ opacity WRITE setOpacity)
public:
explicit VersionItemAnimation(QWidget *pParent);
~VersionItemAnimation()
{
delete mOpenButton;
delete mRestoreButton;
}
qreal extraHeight()
{
return mExtraHeight;
}
float opacity()
{
return mOpacity;
}
signals:
void sizeChanged(const QModelIndex &pIndex);
public slots:
void setExtraHeight(qreal pExtraHeight);
void setOpacity(float pOpacity)
{
mOpacity = pOpacity;
}
void changeFocus(bool pForward);
void setFocus(bool pFocused);
public:
QPersistentModelIndex mIndex;
qreal mExtraHeight;
float mOpacity;
Button *mOpenButton;
Button *mRestoreButton;
QWidget *mParent;
};
class VersionListDelegate : public QAbstractItemDelegate
{
Q_OBJECT
public:
explicit VersionListDelegate(QAbstractItemView *pItemView, QObject *pParent = nullptr);
~VersionListDelegate() override;
void paint(QPainter *pPainter, const QStyleOptionViewItem &pOption, const QModelIndex &pIndex) const override;
QSize sizeHint(const QStyleOptionViewItem &pOption, const QModelIndex &pIndex) const override;
bool eventFilter(QObject *pObject, QEvent *pEvent) override;
signals:
void openRequested(const QModelIndex &pIndex);
void restoreRequested(const QModelIndex &pIndex);
public slots:
void updateCurrent(const QModelIndex &pCurrent, const QModelIndex &pPrevious);
void reset();
void reclaimAnimation();
protected:
void initialize();
QAbstractItemView *mView;
QAbstractItemModel *mModel;
QHash<QPersistentModelIndex, VersionItemAnimation *> mActiveAnimations;
QList<VersionItemAnimation *> mInactiveAnimations;
};
#endif // VERSIONLISTDELEGATE_H
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