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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef LAYOUTINFO_H
#define LAYOUTINFO_H
#include "shared_global_p.h"
QT_BEGIN_NAMESPACE
class QWidget;
class QLayout;
class QLayoutItem;
class QDesignerFormEditorInterface;
class QFormLayout;
class QRect;
class QString;
namespace qdesigner_internal {
class QDESIGNER_SHARED_EXPORT LayoutInfo
{
public:
enum Type
{
NoLayout,
HSplitter,
VSplitter,
HBox,
VBox,
Grid,
Form,
UnknownLayout // QDockWindow inside QMainWindow is inside QMainWindowLayout - it doesn't mean there is no layout
};
static void deleteLayout(const QDesignerFormEditorInterface *core, QWidget *widget);
// Examines the immediate layout of the widget.
static Type layoutType(const QDesignerFormEditorInterface *core, const QWidget *w);
// Examines the managed layout of the widget
static Type managedLayoutType(const QDesignerFormEditorInterface *core, const QWidget *w, QLayout **layout = nullptr);
static Type layoutType(const QDesignerFormEditorInterface *core, const QLayout *layout);
static Type layoutType(const QString &typeName);
static QString layoutName(Type t);
static QWidget *layoutParent(const QDesignerFormEditorInterface *core, QLayout *layout);
static Type laidoutWidgetType(const QDesignerFormEditorInterface *core, QWidget *widget, bool *isManaged = nullptr, QLayout **layout = nullptr);
static bool inline isWidgetLaidout(const QDesignerFormEditorInterface *core, QWidget *widget) { return laidoutWidgetType(core, widget) != NoLayout; }
static QLayout *managedLayout(const QDesignerFormEditorInterface *core, const QWidget *widget);
static QLayout *managedLayout(const QDesignerFormEditorInterface *core, QLayout *layout);
static QLayout *internalLayout(const QWidget *widget);
// Is it a a dummy grid placeholder created by Designer?
static bool isEmptyItem(QLayoutItem *item);
};
QDESIGNER_SHARED_EXPORT void getFormLayoutItemPosition(const QFormLayout *formLayout, int index, int *rowPtr, int *columnPtr = nullptr, int *rowspanPtr = nullptr, int *colspanPtr = nullptr);
QDESIGNER_SHARED_EXPORT void formLayoutAddWidget(QFormLayout *formLayout, QWidget *w, const QRect &r, bool insert);
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // LAYOUTINFO_H
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