/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** 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
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**
** 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
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QDESIGNER_TOOLWINDOW_H
#define QDESIGNER_TOOLWINDOW_H

#include "mainwindow.h"

#include <QtCore/QPointer>
#include <QtGui/QFontDatabase>
#include <QtWidgets/QMainWindow>

QT_BEGIN_NAMESPACE

struct ToolWindowFontSettings {
    bool equals(const ToolWindowFontSettings &) const;

    QFont m_font;
    QFontDatabase::WritingSystem m_writingSystem{QFontDatabase::Any};
    bool m_useFont{false};
};

inline bool operator==(const ToolWindowFontSettings &tw1, const ToolWindowFontSettings &tw2)
{
    return tw1.equals(tw2);
}

inline bool operator!=(const ToolWindowFontSettings &tw1, const ToolWindowFontSettings &tw2)
{
    return !tw1.equals(tw2);
}

class QDesignerWorkbench;

/* A tool window with an action that activates it. Note that in toplevel mode,
 * the Widget box is a tool window as well as the applications' main window,
 * So, we need to inherit from MainWindowBase. */

class QDesignerToolWindow : public MainWindowBase
{
    Q_OBJECT
protected:
    explicit QDesignerToolWindow(QDesignerWorkbench *workbench,
                                 QWidget *w,
                                 const QString &objectName,
                                 const QString &title,
                                 const QString &actionObjectName,
                                 Qt::DockWidgetArea dockAreaHint,
                                 QWidget *parent = 0,
                                 Qt::WindowFlags flags = Qt::Window);

public:
    // Note: The order influences the dock widget position.
    enum StandardToolWindow { WidgetBox,  ObjectInspector, PropertyEditor,
                              ResourceEditor, ActionEditor, SignalSlotEditor,
                              StandardToolWindowCount };

    static QDesignerToolWindow *createStandardToolWindow(StandardToolWindow which, QDesignerWorkbench *workbench);

    QDesignerWorkbench *workbench() const;
    QAction *action() const;

    Qt::DockWidgetArea dockWidgetAreaHint() const { return m_dockAreaHint; }
    virtual QRect geometryHint() const;

private slots:
    void showMe(bool);

protected:
    void showEvent(QShowEvent *e) Q_DECL_OVERRIDE;
    void hideEvent(QHideEvent *e) Q_DECL_OVERRIDE;
    void changeEvent(QEvent *e) Q_DECL_OVERRIDE;

    QRect availableToolWindowGeometry() const;

private:
    const Qt::DockWidgetArea m_dockAreaHint;
    QDesignerWorkbench *m_workbench;
    QAction *m_action;
};

QT_END_NAMESPACE

#endif // QDESIGNER_TOOLWINDOW_H
