" Increase window size to 110x25.
set columns=110
set lines=25
+
+" Don't use the mouse.
+set mouse=
+" And don't use the mouse wheel.
+map <ScrollWheelUp> <Nop>
+map <S-ScrollWheelUp> <Nop>
+map <C-ScrollWheelUp> <Nop>
+map <ScrollWheelDown> <Nop>
+map <S-ScrollWheelDown> <Nop>
+map <C-ScrollWheelDown> <Nop>
+map <ScrollWheelLeft> <Nop>
+map <S-ScrollWheelLeft> <Nop>
+map <C-ScrollWheelLeft> <Nop>
+map <ScrollWheelRight> <Nop>
+map <S-ScrollWheelRight> <Nop>
+map <C-ScrollWheelRight> <Nop>