void gtk_window_deiconify ( GtkWindow* window )
Asks to deiconify (i.e. unminimize) the specified
that you shouldn’t assume the window is definitely deiconified
afterward, because other entities (e.g. the user or
[window manager][gtk-X11-arch])) could iconify it
again before your code which assumes deiconification gets to run.
You can track iconification via the “window-state-event” signal