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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 ACTIONPROVIDER_H
#define ACTIONPROVIDER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtDesigner/extension.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
#include <QtWidgets/qapplication.h>
QT_BEGIN_NAMESPACE
class QAction;
class QDesignerActionProviderExtension
{
public:
virtual ~QDesignerActionProviderExtension() = default;
virtual QRect actionGeometry(QAction *action) const = 0;
virtual QAction *actionAt(const QPoint &pos) const = 0;
virtual void adjustIndicator(const QPoint &pos) = 0;
};
// Find action at the given position for a widget that has actionGeometry() (QToolBar,
// QMenuBar, QMenu). They usually have actionAt(), but that fails since Designer usually sets
// WA_TransparentForMouseEvents on the widgets.
template <class Widget>
int actionIndexAt(const Widget *w, const QPoint &pos, Qt::Orientation orientation)
{
const auto actions = w->actions();
if (actions.isEmpty())
return -1;
// actionGeometry() can be wrong sometimes; it returns a geometry that
// stretches to the end of the toolbar/menu bar. So, check from the beginning
// in the case of a horizontal right-to-left orientation.
const bool checkTopRight = orientation == Qt::Horizontal && w->layoutDirection() == Qt::RightToLeft;
const QPoint topRight = QPoint(w->rect().width(), 0);
for (qsizetype index = 0, actionCount = actions.size(); index < actionCount; ++index) {
QRect g = w->actionGeometry(actions.at(index));
if (checkTopRight)
g.setTopRight(topRight);
else
g.setTopLeft(QPoint(0, 0));
if (g.contains(pos))
return int(index);
}
return -1;
}
Q_DECLARE_EXTENSION_INTERFACE(QDesignerActionProviderExtension, "org.qt-project.Qt.Designer.ActionProvider")
QT_END_NAMESPACE
#endif // ACTIONPROVIDER_H
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