EditorPartWindow.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
 *   Licensees holding valid commercial 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 MLAB or NICR.
 *
 * GNU General Public License Usage:
 *   Alternatively, this file may be used under the terms of the GNU
 *   General Public License version 3.0 as published by the Free Software
 *   Foundation and appearing in the file LICENSE.GPL3 included in the
 *   packaging of this file. Please review the following information to
 *   ensure the GNU General Public License version 3.0 requirements will be
 *   met: http://www.gnu.org/copyleft/gpl.html.
 *   Alternatively you may (at your option) use any later version of the GNU
 *   General Public License if such license has been publicly approved by
 *   MLAB and NICR (or its successors, if any).
 *
 * IN NO EVENT SHALL "MLAB" OR "NICR" BE LIABLE TO ANY PARTY FOR DIRECT,
 * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
 * THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF "MLAB" OR
 * "NICR" HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 */

#ifndef MIRA_EDITORPARTWINDOW_H_
#define MIRA_EDITORPARTWINDOW_H_

#include <QWidget>
#include <QFrame>
#include <QVBoxLayout>

namespace mira {


class EditorPartTitleBar;
class EditorPartArea;

class EditorPartWindow : public QFrame
{
    Q_OBJECT
public:

    EditorPartWindow(EditorPartArea* area=NULL, Qt::WindowFlags flags=Qt::WindowFlags());
    virtual ~EditorPartWindow();

public:

    void setWidget(QWidget* widget);
    QWidget* widget() const;

public:

    EditorPartTitleBar* getTitleBar();

public:

    void undock() {
        onUndock();
    }

    void dock() {
        onDock();
    }

    bool isDocked() const {
        return mDocked;
    }

    void setOnTop(bool onTop) {
        onOnTop(onTop);
    }

    bool isOnTop() const {
        return mOnTop;
    }

public:

    void showDecorations(bool show);

    void setAutoHideDecorations(bool on);


protected:

    virtual void paintEvent(QPaintEvent *paintEvent);
    virtual void changeEvent(QEvent* event);
    //virtual void enterEvent(QEvent* event);
    //virtual void leaveEvent(QEvent* event);

protected:
    friend class EditorPartArea;

    // managed by EditorPartArea
    void setActive(bool activate);

    virtual void windowStateChanged(Qt::WindowStates oldState, Qt::WindowStates newState);

    void updateDecorations();
    void updateStateButtons(); // buttons for minimize, maximize, restore

protected slots:

    void onMinimized();
    void onMaximized();
    void onRestored();
    void onUndock();
    void onDock();
    void onOnTop(bool onTop);

signals:

    void windowTitleChanged(EditorPartWindow* editor);

private:

    EditorPartArea* mArea;

    QVBoxLayout* mLayout;

    EditorPartTitleBar* mTitleBar;

    QAction* mOnTopAction;

    QWidget* mWidget;

    QWidget* mEmptyContentWidget;

    QRect mRestoreGeometry;
    bool mRestoreOnTop;

    bool mAutoHideDecorations;
    bool mDecorationsShown;
    bool mActivated;
    bool mOnTop;

    enum WindowState {
        Minimized,
        Maximized,
        Normal,
    };

    WindowState mWindowState;


    bool mDocked;
};


}

#endif