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#include "window_manualupdate.h"
#include <QOpenGLContext>
#include <Q3DSSurfaceViewer>
#include <Q3DSPresentation>

// Here the window implementation drives rendering by manually calling
// Q3DSSurfaceViewer::update() as seen fit.

// It also relies on the default of autoSize==true (meaning the rendering
// is automatically following the QWindow size).

ManualUpdateWindow::ManualUpdateWindow()
{
    setSurfaceType(QSurface::OpenGLSurface);
    m_context = new QOpenGLContext(this);
    m_context->create();
}

void ManualUpdateWindow::update()
{
    if (isExposed() && m_viewer) {
        m_viewer->update();
        // render continuously
        requestUpdate();
    }
}

bool ManualUpdateWindow::event(QEvent *e)
{
    if (e->type() == QEvent::Expose || e->type() == QEvent::UpdateRequest)
        update();

    return QWindow::event(e);
}

void ManualUpdateWindow::keyPressEvent(QKeyEvent *e)
{
    m_viewer->presentation()->keyPressEvent(e);
}

void ManualUpdateWindow::keyReleaseEvent(QKeyEvent *e)
{
    m_viewer->presentation()->keyReleaseEvent(e);
}

void ManualUpdateWindow::mousePressEvent(QMouseEvent *e)
{
    m_viewer->presentation()->mousePressEvent(e);
}

void ManualUpdateWindow::mouseMoveEvent(QMouseEvent *e)
{
    // Moves must be forwarded even when no button is down; the
    // default QWindow behavior is just what we need in this respect.
    m_viewer->presentation()->mouseMoveEvent(e);
}

void ManualUpdateWindow::mouseReleaseEvent(QMouseEvent *e)
{
    m_viewer->presentation()->mouseReleaseEvent(e);
}

void ManualUpdateWindow::mouseDoubleClickEvent(QMouseEvent *e)
{
    m_viewer->presentation()->mouseDoubleClickEvent(e);
}

#if QT_CONFIG(wheelevent)
void ManualUpdateWindow::wheelEvent(QWheelEvent *e)
{
    m_viewer->presentation()->wheelEvent(e);
}
#endif