take a break
add something like input
add movefocus + delay
slite.d created
change before cmd interface
add some files
remove select add
select color fix
select mode bug fix
today's save: input still does'nt work well
test implement text render
can render character
write down using SDL ver
grid show
caret fix
last version which using sdl
add pivot selecting mod
command_op unified with command.command