#include "openglwindow.h"
#include <QResizeEvent>

OpenGLWindow::OpenGLWindow(QWindow *parent)
    : QWindow(parent)
{
    QSurfaceFormat format;
    format.setVersion(3, 2);
    format.setProfile(QSurfaceFormat::CoreProfile);
    format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);

    setSurfaceType(QWindow::OpenGLSurface);
    setFormat(format);

    connect(this, SIGNAL(activeChanged()), this, SLOT(activeStateChanged()));

}

OpenGLWindow::~OpenGLWindow()
{
}

void OpenGLWindow::keyPressEvent(QKeyEvent *ev)
{
    emit keyDown(ev);
}

void OpenGLWindow::keyReleaseEvent(QKeyEvent *ev)
{
    emit keyUp(ev);
}

void OpenGLWindow::exposeEvent(QExposeEvent* ev)
{
    emit widthChanged(size().width());
    QWindow::exposeEvent(ev);
}

void OpenGLWindow::focusOutEvent(QFocusEvent * event)
{
    emit focusOut(event);
}
void OpenGLWindow::focusInEvent(QFocusEvent * event)
{
    emit focusIn(event);
}

void OpenGLWindow::activeStateChanged()
{
    if (isActive())
    {
        emit focusIn(new QFocusEvent(QEvent::FocusIn));
    } else {
        emit focusOut(new QFocusEvent(QEvent::FocusOut));
    }
}