File indexing completed on 2024-04-21 05:46:29

 // 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