tabordereditor.h

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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
 
#ifndef TABORDEREDITOR_H
#define TABORDEREDITOR_H
 
#include "tabordereditor_global.h"
 
#include <QtCore/qpointer.h>
#include <QtWidgets/qwidget.h>
#include <QtGui/qregion.h>
#include <QtGui/qfont.h>
#include <QtGui/qfontmetrics.h>
 
QT_BEGIN_NAMESPACE
 
class QUndoStack;
class QDesignerFormWindowInterface;
 
namespace qdesigner_internal {
 
class QT_TABORDEREDITOR_EXPORT TabOrderEditor : public QWidget
{
    Q_OBJECT
 
public:
    TabOrderEditor(QDesignerFormWindowInterface *form, QWidget *parent);
 
    QDesignerFormWindowInterface *formWindow() const;
 
public slots:
    void setBackground(QWidget *background);
    void updateBackground();
    void widgetRemoved(QWidget*);
    void initTabOrder();
 
private slots:
    void showTabOrderDialog();
 
protected:
    void paintEvent(QPaintEvent *e) override;
    void mouseMoveEvent(QMouseEvent *e) override;
    void mousePressEvent(QMouseEvent *e) override;
    void mouseDoubleClickEvent(QMouseEvent *e) override;
    void contextMenuEvent(QContextMenuEvent *e) override;
    void resizeEvent(QResizeEvent *e) override;
    void showEvent(QShowEvent *e) override;
 
private:
    QRect indicatorRect(int index) const;
    int widgetIndexAt(QPoint pos) const;
    bool skipWidget(QWidget *w) const;
 
    QPointer<QDesignerFormWindowInterface> m_form_window;
 
    QWidgetList m_tab_order_list;
 
    QWidget *m_bg_widget;
    QUndoStack *m_undo_stack;
    QRegion m_indicator_region;
 
    QFontMetrics m_font_metrics;
    int m_current_index;
    bool m_beginning;
};
 
}  // namespace qdesigner_internal
 
QT_END_NAMESPACE
 
#endif