plugins: Improve usability of iPod keymaps

- Reduce need to press multiple buttons at
the same time to quit a plugin

- Have "Menu" be default way to quit plugins or
to access plugin menu

- Fall back to (Long) "Select" or Long "Menu"
in cases where Menu button isn't available
(e.g. in ImageViewer and many games)

out of scope:
boomshine, lua_scripts, Rockpaint,
Doom, Duke3D, Pacbox, Quake,
Sgt-Puzzles, Wolf3D, XWorld,
Minesweeper, Pixel Painter, Spacerocks

Change-Id: I6d4dc7174695fe4b8ee9cbaccb21bdbfe6af5c48

1 files changed, 4 insertions, 1 deletions

diff --git a/manual/plugins/snow.tex b/manual/plugins/snow.tex
index 13edf8af39..71430198d4 100644
--- a/manual/plugins/snow.tex
+++ b/manual/plugins/snow.tex
@@ -2,5 +2,8 @@
 \screenshot{plugins/images/ss-snow}{Have you ever seen snow falling?}{img:snow}
 This demo replicates snow falling on your screen. If you love winter,
 you will love this demo.  Or maybe not.
-Press \PluginCancel{} or \PluginExit{} to quit.
+Press
+\nopt{IPOD_4G_PAD,IPOD_3G_PAD}{\PluginCancel{} or \PluginExit{}}
+\opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonMenu}
+to quit.