[BRLTTY] Android updates.

[Dave Mielke]

Hi:

The latest apk has a number of changes.

The letters for three of the global actions have been changed. Quick Settings
has been changed from q (dots 12345) to s (dots 234). Device Status has been
changed from s (dots 234) to d (dots 145). Window Title has been changed from w
(dots 2456) to t (dots 2345).

Support for selecting text and interacting with Android's clipboard has been
added. How to select text needs a proper description, so I'll get to that in a
moment. The rest of the commands are, like the global actions, invoked via
Space + Dots78 + a letter. They are:

   x (dots 1346) cuts the selected text to Android.s clipboard.
   c (dots 14) copies the selected text to Android's clipoard.
   v (dots 1236) pastes text from Android's clipboard.
   a (dot 1) selects all of the text.
   Dot 4 clears the text selection.

There are two commands for selecting text, but both of them require new key
bindings (but see below for a new preference setting). Neither of them has been
added to any of the key tables (yet).

One of the text selection commands involves pressing two routing keys at the
same time, and selects the text starting at the left one and ending at the
right one. I personally think that a long press of both keys would be a good
candidate, but some braille devices don't support either two routing keys at
once and/or long key presses.

The other text selection command involves pressing nly one routing key, and
enters text selection mode. I personally think that a long press would be good
for this one, too, but, again, some braille devices don't support that.

When in text selectino mode, pressing routing keys changes the other end of the
selection. In other words, one end of the selection is where the routing key
that entered text selection mode was, and the other end changes based on the
most recently pressed routing key. The attribute underlining feature shows
which text is currently selected. It can span multiple lines, but, of course,
it can't span multiple screen elements.

Now for that new preference: It's called Start Text Selection (better names are
welcome), and can be found at the bottom of the Navigation Options submeu. It
defaults to No. When set to Yes, the routing key where the cursor is becomes
the key that enters text selection mode (the others continue to route the
cursor). This allows text selection to be easily performed without any key
table changes. I personally set the attributes underline to be blinking, which
is a way to immediately know when text selection has been initiated.

-- 
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