#include "windowtitleupdate.h" WindowTitleUpdate *WindowTitleUpdate::m_instance = NULL; WindowTitleUpdate::WindowTitleUpdate(QObject *parent) : QObject(parent) { Q_ASSERT_X(m_instance == NULL, "WindowTitleUpdate", "WindowTitleUpdate recreated!"); m_instance = this; } WindowTitleUpdate *WindowTitleUpdate::instance() { return m_instance; } WindowTitleUpdate::~WindowTitleUpdate() { m_instance = NULL; } void WindowTitleUpdate::emitSignal() { emit updateTitle(); } extern "C" void updateWindowTitle() { WindowTitleUpdate *wt = WindowTitleUpdate::instance(); wt->emitSignal(); }