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/*
widget3dmodel.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2011 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Daniel Vrátil <daniel.vratil@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef WIDGET3DMODEL_H
#define WIDGET3DMODEL_H
#include <QSortFilterProxyModel>
#include <QRect>
#include <QWidget>
#include <QMap>
#include <QPointer>
#include <QString>
#include <common/objectmodel.h>
#include <cstring>
namespace GammaRay {
class Widget3DWidget : public QObject
{
Q_OBJECT
public:
Widget3DWidget(QWidget *qWidget, const QPersistentModelIndex &modelIndex, Widget3DWidget *parent);
~Widget3DWidget() override;
inline QImage texture() const
{
return mTextureImage;
}
inline QImage backTexture() const
{
return mBackTextureImage;
}
inline QRect geometry() const
{
return mGeometry;
}
inline QWidget *qWidget() const
{
return mQWidget;
}
inline Widget3DWidget *parentWidget() const
{
return static_cast<Widget3DWidget *>(parent());
}
inline bool isVisible() const
{
return mQWidget->isVisible();
}
inline QVariantMap metaData() const
{
return mMetaData;
}
inline bool isWindow() const;
inline int depth() const
{
return mDepth;
}
inline QPersistentModelIndex modelIndex() const
{
return mModelIndex;
}
// QML does not handle 64bit integers, so use string instead, we only need
// the value for comparison, we can convert back to quintptr in C++
inline QString id() const
{
QString str(8, QLatin1Char('0'));
quint64 ptr = reinterpret_cast<quint64>(mQWidget.data());
// this is almost certainly wrong, but keep it for backwards compat:
std::memcpy(static_cast<void *>(str.data()), static_cast<void *>(&ptr), 8);
return str;
};
protected:
bool eventFilter(QObject *obj, QEvent *ev) override;
Q_SIGNALS:
void changed(const QVector<int> &roles);
private Q_SLOTS:
void updateTimeout();
bool updateTexture();
bool updateGeometry();
private:
void startUpdateTimer();
private:
QPersistentModelIndex mModelIndex;
QPointer<QWidget> mQWidget;
QImage mTextureImage;
QImage mBackTextureImage;
QRect mTextureGeometry;
QRect mGeometry;
QVariantMap mMetaData;
QTimer *mUpdateTimer;
int mDepth;
bool mIsPainting;
bool mGeomDirty;
bool mTextureDirty;
};
class Widget3DModel : public QSortFilterProxyModel
{
Q_OBJECT
public:
enum Roles
{
IdRole = ObjectModel::UserRole + 1,
TextureRole,
BackTextureRole,
IsWindowRole,
GeometryRole,
MetaDataRole,
DepthRole,
UserRole
};
explicit Widget3DModel(QObject *parent = nullptr);
~Widget3DModel() override;
QHash<int, QByteArray> roleNames() const override;
QVariant data(const QModelIndex &index, int role) const override;
QMap<int, QVariant> itemData(const QModelIndex &index) const override;
protected:
bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
private Q_SLOTS:
void onWidgetChanged(const QVector<int> &roles);
void onWidgetDestroyed(QObject *obj);
private:
Widget3DWidget *widgetForObject(QObject *obj, const QModelIndex &idx, bool createWhenMissing = true) const;
Widget3DWidget *widgetForIndex(const QModelIndex &idx, bool createWhenMissing = true) const;
// mutable because we populate it lazily from data() const
mutable QHash<QObject *, Widget3DWidget *> mDataCache;
};
}
Q_DECLARE_METATYPE(GammaRay::Widget3DWidget *)
#endif // WIDGET3DMODEL_H
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