File indexing completed on 2024-05-19 04:54:25

 /*
     SPDX-FileCopyrightText: 2017 Jean-Baptiste Mardelle <jb@kdenlive.org>
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #pragma once
 
 #include "definitions.h"
 #include <QMutex>
 #include <QStyledItemDelegate>
 #include <QTimer>
 #include <QWidget>
 #include <memory>
 
 class QVBoxLayout;
 class QTreeView;
 class CollapsibleEffectView;
 class AssetParameterModel;
 class EffectStackModel;
 class EffectItemModel;
 class AssetIconProvider;
 class BuiltStack;
 class AssetPanel;
 
 class WidgetDelegate : public QStyledItemDelegate
 {
     Q_OBJECT
 public:
     explicit WidgetDelegate(QObject *parent = nullptr);
     void setHeight(const QModelIndex &index, int height);
     int height(const QModelIndex &index) const;
     QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
     void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
 
 private:
     QMap<QModelIndex, int> m_height;
 };
 
 class EffectStackView : public QWidget
 {
     Q_OBJECT
 
 public:
     EffectStackView(AssetPanel *parent);
     ~EffectStackView() override;
     void setModel(std::shared_ptr<EffectStackModel> model, const QSize frameSize);
     void unsetModel(bool reset = true);
     ObjectId stackOwner() const;
     /** @brief Add an effect to the current stack
      */
     bool addEffect(const QString &effectId);
     /** @brief Returns true if effectstack is empty
      */
     bool isEmpty() const;
     /** @brief Enables / disables the stack
      */
     void enableStack(bool enable);
     bool isStackEnabled() const;
     /** @brief Collapse / expand current effect
      */
     void switchCollapsed();
     /** @brief Go to next keyframe in current effect
      */
     void slotGoToKeyframe(bool next);
     void addRemoveKeyframe();
     /** @brief Used to pass a standard action like copy or paste to the effect stack widget */
     void sendStandardCommand(int command);
 
 public Q_SLOTS:
     /** @brief Save current effect stack
      */
     void slotSaveStack();
 
 protected:
     void dragEnterEvent(QDragEnterEvent *event) override;
     void dragLeaveEvent(QDragLeaveEvent *event) override;
     void dragMoveEvent(QDragMoveEvent *event) override;
     void dropEvent(QDropEvent *event) override;
     void resizeEvent(QResizeEvent *event) override;
     void paintEvent(QPaintEvent *event) override;
 
 private:
     QMutex m_mutex;
     QVBoxLayout *m_lay;
     // BuiltStack *m_builtStack;
     QTreeView *m_effectsTree;
     std::shared_ptr<EffectStackModel> m_model;
     std::vector<CollapsibleEffectView *> m_widgets;
     AssetIconProvider *m_thumbnailer;
     QTimer m_scrollTimer;
     QTimer m_timerHeight;
 
     /** @brief the frame size of the original clip this effect is applied on
      */
     QSize m_sourceFrameSize;
     const QString getStyleSheet();
 
 private Q_SLOTS:
     void refresh(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles);
     void slotAdjustDelegate(const std::shared_ptr<EffectItemModel> &effectModel, int height);
     void slotStartDrag(const QPixmap pix, const QString assetId, ObjectId sourceObject, int row);
     void loadEffects();
     void updateTreeHeight();
     void slotFocusEffect();
     /** @brief Refresh the enabled state on widgets
      */
     void changeEnabledState();
     /** @brief Activate an effect in the view
      */
     void activateEffect(const QModelIndex &ix, bool active);
 
     //    void switchBuiltStack(bool show);
 
 Q_SIGNALS:
     void switchCollapsedView(int row);
     void seekToPos(int);
     void reloadEffect(const QString &path);
     void updateEnabledState();
     void removeCurrentEffect();
     void blockWheelEvent(bool block);
     void checkScrollBar();
     void scrollView(QRect);
 };