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#ifdef _WIN32
#include <windows.h>
#include <QWidget>
#include <QRect>
#include <QDebug>
template<typename=void>
bool is_window_visible(const QWidget* widget)
{
const QWidget* window = widget->window();
if (!window)
return true;
const QPoint p = widget->mapToGlobal(widget->pos());
const QSize s = widget->size();
POINT pt = { p.x() + s.width()/2, p.y() + s.height()/2 };
return WindowFromPoint(pt) == (HWND) widget->winId();
}
#else
template<typename=void>
bool is_window_visible(const QWidget* widget) { return true; }
#endif
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