void gdk_window_show ( GdkWindow* window )
Like gdk_window_show_unraised(), but also raises the window to the top of the window stack (moves the window to the front of the Z-order).
This function maps a window so it’s visible onscreen. Its opposite is gdk_window_hide().
When implementing a
GtkWidget, you should call this function on the widget’s
GdkWindow as part of the “map” method.