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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 QDESIGNER_COMMAND2_H
#define QDESIGNER_COMMAND2_H
#include "shared_global_p.h"
#include "qdesigner_formwindowcommand_p.h"
#include <QtWidgets/qwidget.h>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
class LayoutCommand;
class BreakLayoutCommand;
/* This command changes the type of a managed layout on a widget (including
* red layouts of type 'QLayoutWidget') into another type, maintaining the
* applicable properties. It does this by chaining BreakLayoutCommand and
* LayoutCommand, parametrizing them not to actually delete/reparent
* QLayoutWidget's. */
class QDESIGNER_SHARED_EXPORT MorphLayoutCommand : public QDesignerFormWindowCommand {
Q_DISABLE_COPY_MOVE(MorphLayoutCommand)
public:
explicit MorphLayoutCommand(QDesignerFormWindowInterface *formWindow);
~MorphLayoutCommand() override;
bool init(QWidget *w, int newType);
static bool canMorph(const QDesignerFormWindowInterface *formWindow, QWidget *w, int *ptrToCurrentType = nullptr);
void redo() override;
void undo() override;
private:
static QString formatDescription(QDesignerFormEditorInterface *core, const QWidget *w, int oldType, int newType);
BreakLayoutCommand *m_breakLayoutCommand;
LayoutCommand *m_layoutCommand;
int m_newType;
QWidgetList m_widgets;
QWidget *m_layoutBase;
};
// Change the alignment of a widget in a managed grid/box layout cell.
class LayoutAlignmentCommand : public QDesignerFormWindowCommand {
Q_DISABLE_COPY_MOVE(LayoutAlignmentCommand)
public:
explicit LayoutAlignmentCommand(QDesignerFormWindowInterface *formWindow);
bool init(QWidget *w, Qt::Alignment alignment);
void redo() override;
void undo() override;
// Find out alignment and return whether command is enabled.
static Qt::Alignment alignmentOf(const QDesignerFormEditorInterface *core, QWidget *w, bool *enabled = nullptr);
private:
static void applyAlignment(const QDesignerFormEditorInterface *core, QWidget *w, Qt::Alignment a);
Qt::Alignment m_newAlignment;
Qt::Alignment m_oldAlignment;
QWidget *m_widget;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // QDESIGNER_COMMAND2_H
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