NodeDelegate.h

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/*
  SPDX-FileCopyrightText: 2006 Gábor Lehel <illissius@gmail.com>
 
  SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#ifndef KIS_DOCUMENT_SECTION_DELEGATE_H
#define KIS_DOCUMENT_SECTION_DELEGATE_H
 
#include <QAbstractItemDelegate>
class NodeView;
 
class KisNodeModel;
 
class NodeDelegate: public QAbstractItemDelegate
{
    Q_OBJECT
 
public:
    explicit NodeDelegate(NodeView *view, QObject *parent = 0);
    ~NodeDelegate() override;
 
    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
    void drawBranches(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
    QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
    bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) override;
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
    void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex& index) const override;
 
    void toggleSolo(const QModelIndex &index);
 
    void slotUpdateIcon();
 
Q_SIGNALS:
    void resetVisibilityStasis();
 
protected:
    bool eventFilter(QObject *object, QEvent *event) override;
 
private:
    typedef KisNodeModel Model;
    typedef NodeView View;
    class Private;
    Private* const d;
 
    static QStyleOptionViewItem getOptions(const QStyleOptionViewItem &option, const QModelIndex &index);
    void drawProgressBar(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    void drawColorLabel(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawFrame(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    QRect thumbnailClickRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawThumbnail(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    QRect iconsRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
    QRect textRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawText(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawIcons(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    QRect visibilityClickRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawVisibilityIcon(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    QRect decorationClickRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawDecoration(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawExpandButton(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
    void drawAnimatedDecoration(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
    void drawSelectedButton(QPainter *p, const QStyleOptionViewItem &option, const QModelIndex &index,
                            QStyle *style) const;
 
    // In here we handle the intricacies required to tie the state of selection and "current" index.
    void changeSelectionAndCurrentIndex(const QModelIndex &index);
 
    // The area taken by the color preview rect for some types of filter masks.
    QRect filterColorClickRect(const QStyleOptionViewItem &option, const QModelIndex &index) const;
 
public Q_SLOTS:
    void slotConfigChanged();
private Q_SLOTS:
    void slotResetState();
};
 
#endif