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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#ifndef OUTPUTPANEMANAGER_H
#define OUTPUTPANEMANAGER_H

#include <QtCore/QMap>
#include <QtGui/QPushButton>

QT_BEGIN_NAMESPACE
class QAction;
class QComboBox;
class QToolButton;
class QStackedWidget;
class QSplitter;
QT_END_NAMESPACE

namespace Core {

class IMode;
class IOutputPane;

namespace Internal {
class OutputPaneManager;
class MainWindow;
}

namespace Internal {

class OutputPaneManager : public QWidget
{
    Q_OBJECT

public:
    void init();
    static OutputPaneManager *instance();
    void setCloseable(bool b);
    bool closeable();
    QWidget *buttonsWidget();
    void updateStatusButtons(bool visible);

    bool isMaximized()const;

public slots:
    void slotHide();
    void slotNext();
    void slotPrev();
    void shortcutTriggered();
    void slotMinMax();

protected:
    void focusInEvent(QFocusEvent *e);

private slots:
    void changePage();
    void showPage(bool focus);
    void togglePage(bool focus);
    void clearPage();
    void buttonTriggered();
    void updateNavigateState();

private:
    // the only class that is allowed to create and destroy
    friend class MainWindow;

    static void create();
    static void destroy();

    explicit OutputPaneManager(QWidget *parent = 0);
    ~OutputPaneManager();

    void showPage(int idx, bool focus);
    void ensurePageVisible(int idx);
    int findIndexForPage(IOutputPane *out);
    QComboBox *m_widgetComboBox;
    QToolButton *m_clearButton;
    QToolButton *m_closeButton;

    QAction *m_minMaxAction;
    QToolButton *m_minMaxButton;

    QAction *m_nextAction;
    QAction *m_prevAction;
    QToolButton *m_prevToolButton;
    QToolButton *m_nextToolButton;
    QWidget *m_toolBar;

    QMap<int, Core::IOutputPane*> m_pageMap;
    int m_lastIndex;

    QStackedWidget *m_outputWidgetPane;
    QStackedWidget *m_opToolBarWidgets;
    QWidget *m_buttonsWidget;
    QMap<int, QPushButton *> m_buttons;
    QMap<QAction *, int> m_actions;
    QPixmap m_minimizeIcon;
    QPixmap m_maximizeIcon;
    bool m_maximised;
};

class OutputPaneToggleButton : public QPushButton
{
    Q_OBJECT
public:
    OutputPaneToggleButton(int number, const QString &text, QAction *action,
                           QWidget *parent = 0);
    QSize sizeHint() const;
    void paintEvent(QPaintEvent *event);

private slots:
    void updateToolTip();

private:
    QString m_number;
    QString m_text;
    QAction *m_action;
};

} // namespace Internal
} // namespace Core

#endif // OUTPUTPANEMANAGER_H