deviceskin_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
 
#ifndef SKIN_H
#define SKIN_H
 
#include <QtWidgets/QWidget>
 
#include <QtGui/QPixmap>
#include <QtGui/QPolygon>
#include <QtGui/QRegion>
 
#include <QtCore/QList>
 
QT_BEGIN_NAMESPACE
 
namespace qvfb_internal {
    class CursorWindow;
}
 
class QTextStream;
 
// ------- Button Area
struct DeviceSkinButtonArea {
    QString name;
    int keyCode{0};
    QPolygon area;
    QString text;
    bool activeWhenClosed{false};
    bool toggleArea{false};
    bool toggleActiveArea{false};
};
 
// -------- Parameters
struct DeviceSkinParameters {
    enum ReadMode { ReadAll, ReadSizeOnly };
    bool read(const QString &skinDirectory,  ReadMode rm,  QString *errorMessage);
    bool read(QTextStream &ts, ReadMode rm, QString *errorMessage);
 
    QSize screenSize() const { return screenRect.size(); }
    QSize secondaryScreenSize() const;
    bool hasSecondaryScreen() const;
 
    QString skinImageUpFileName;
    QString skinImageDownFileName;
    QString skinImageClosedFileName;
    QString skinCursorFileName;
 
    QImage skinImageUp;
    QImage skinImageDown;
    QImage skinImageClosed;
    QImage skinCursor;
 
    QRect screenRect;
    QRect backScreenRect;
    QRect closedScreenRect;
    int screenDepth;
    QPoint cursorHot;
    QList<DeviceSkinButtonArea> buttonAreas;
    QList<int> toggleAreaList;
 
    int joystick;
    QString prefix;
    bool hasMouseHover;
};
 
// --------- Skin Widget
class DeviceSkin : public QWidget
{
    Q_OBJECT
public:
    explicit DeviceSkin(const DeviceSkinParameters &parameters,  QWidget *p );
    ~DeviceSkin( );
 
    QWidget *view() const { return m_view; }
    void setView( QWidget *v );
 
    QWidget *secondaryView() const { return m_secondaryView; }
    void setSecondaryView( QWidget *v );
 
    void setZoom( double );
    void setTransform(const QTransform &);
 
    bool hasCursor() const;
 
    QString prefix() const  {return m_parameters.prefix;}
 
signals:
    void popupMenu();
    void skinKeyPressEvent(int code, const QString& text, bool autorep);
    void skinKeyReleaseEvent(int code, const QString& text, bool autorep);
 
protected slots:
    void skinKeyRepeat();
    void moveParent();
 
protected:
    void paintEvent(QPaintEvent *) override;
    void mousePressEvent(QMouseEvent *e) override;
    void mouseMoveEvent(QMouseEvent *e) override;
    void mouseReleaseEvent(QMouseEvent *) override;
 
private:
    void calcRegions();
    void flip(bool open);
    void updateSecondaryScreen();
    void loadImages();
    void startPress(int);
    void endPress();
 
    const DeviceSkinParameters m_parameters;
    QList<QRegion> buttonRegions;
    QPixmap skinImageUp;
    QPixmap skinImageDown;
    QPixmap skinImageClosed;
    QPixmap skinCursor;
    QWidget *parent;
    QWidget *m_view = nullptr;
    QWidget *m_secondaryView = nullptr;
    QPoint parentpos;
    QPoint clickPos;
    bool buttonPressed = false;
    int buttonIndex = 0;
    QTransform transform;
    qvfb_internal::CursorWindow *cursorw = nullptr;
 
    bool joydown = false;
    QTimer *t_skinkey;
    QTimer *t_parentmove;
    int onjoyrelease = 0;
 
    bool flipped_open = true;
};
 
QT_END_NAMESPACE
 
#endif