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devdraw, libdraw: handle keyboard runes > U+FFFF

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Runes in Plan 9 were limited to the 16-bit BMP when I drew up
the RPC protocol between graphical programs and devdraw
a long time ago. Now that they can be 32-bit, use a 32-bit wire
encoding too. A new message number to avoid problems with
other clients (like 9fans.net/go).

Add keyboard shortcut alt : , for U+1F602, face with tears of joy,
to test that it all works.
This commit is contained in:
Russ Cox 2020-05-18 23:45:03 -04:00
parent b4cc38f943
commit d25d0ca1a3
7 changed files with 34 additions and 8 deletions
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2
src/libdraw/event.c
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@ -284,7 +284,7 @@ extract(int canblock)
}
}else if(i == Skeyboard){
if(eslave[i].rpc == nil)
eslave[i].rpc = startrpc(Trdkbd);
eslave[i].rpc = startrpc(Trdkbd4);
if(eslave[i].rpc){
/* if ready, don't block in select */
if(eslave[i].rpc->p)