gdk_pointer_ungrab ( GDK_CURRENT_TIME );
int org_x = 0;
int org_y = 0;
gdk_window_get_origin( widget->window, &org_x, &org_y );
x += org_x - win->m_diffX;
y += org_y - win->m_diffY;
gdk_pointer_ungrab ( GDK_CURRENT_TIME );
int org_x = 0;
int org_y = 0;
gdk_window_get_origin( widget->window, &org_x, &org_y );
x += org_x - win->m_diffX;
y += org_y - win->m_diffY;