don't draw if the window is not visible.
authorAurélien Aptel <aurelien.aptel@gmail.com>
Sat, 11 Sep 2010 14:05:57 +0000 (16:05 +0200)
committerAurélien Aptel <aurelien.aptel@gmail.com>
Sat, 11 Sep 2010 14:05:57 +0000 (16:05 +0200)
commitab7037cb33b4be4d16e3197d907066ed5b8ab16b
treeb63a2ca4354cf230ff4b37781386a68393dc4aae
parentf693476365c9383ac83420319dd69372c55f9f50
don't draw if the window is not visible.
st.c