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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "core_global.h"
#include "helpitem.h"
#include <utils/id.h>
#include <QList>
#include <QObject>
#include <QPointer>
#include <QWidget>
#include <functional>
namespace Core {
class CORE_EXPORT Context
{
public:
Context() = default;
explicit Context(Utils::Id c1) { add(c1); }
Context(Utils::Id c1, Utils::Id c2) { add(c1); add(c2); }
Context(Utils::Id c1, Utils::Id c2, Utils::Id c3) { add(c1); add(c2); add(c3); }
bool contains(Utils::Id c) const { return d.contains(c); }
int size() const { return d.size(); }
bool isEmpty() const { return d.isEmpty(); }
Utils::Id at(int i) const { return d.at(i); }
// FIXME: Make interface slimmer.
using const_iterator = QList<Utils::Id>::const_iterator;
const_iterator begin() const { return d.begin(); }
const_iterator end() const { return d.end(); }
int indexOf(Utils::Id c) const { return d.indexOf(c); }
void removeAt(int i) { d.removeAt(i); }
void prepend(Utils::Id c) { d.prepend(c); }
void add(const Context &c) { d += c.d; }
void add(Utils::Id c) { d.append(c); }
bool operator==(const Context &c) const { return d == c.d; }
private:
QList<Utils::Id> d;
};
class CORE_EXPORT IContext : public QObject
{
Q_OBJECT
public:
IContext(QObject *parent = nullptr) : QObject(parent) {}
virtual Context context() const { return m_context; }
virtual QWidget *widget() const { return m_widget; }
using HelpCallback = std::function<void(const HelpItem &item)>;
virtual void contextHelp(const HelpCallback &callback) const { callback(m_contextHelp); }
virtual void setContext(const Context &context) { m_context = context; }
virtual void setWidget(QWidget *widget) { m_widget = widget; }
virtual void setContextHelp(const HelpItem &id) { m_contextHelp = id; }
protected:
Context m_context;
QPointer<QWidget> m_widget;
HelpItem m_contextHelp;
};
} // namespace Core
CORE_EXPORT QDebug operator<<(QDebug debug, const Core::Context &context);
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