evil-qemacs/tests/utf8-hacks.sh
Charlie Gordon 7aca319d3c Fix backspace behavior over wide glyphs
- add qe_iswide()
- add eb_next_glyph() / eb_prev_glyph()
- use a larger unicode_glyph_range_index[] array
- add s->cur_offset_hack to track when current position is in
  the middle of a wide glyph
- pass w to qe_term_overwrite(): erasing 1 or 2 positions
- erase partially overwritten wide glyphs
- remove qe_term_put_char()
- bumped version to 5.3.4d
2022-08-29 02:55:50 +02:00

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#!/bin/bash
# testing backspace
printf '\xE4\xB8\xAD\xE6\x96\x87\t\t\xE4\xB8\xAD\xE6\x96\x87\n'
printf '\xE4\xB8\xAD\xE6\x96\x87\bx\t\t\xE4\xB8\xAD x\n'
printf '\xE4\xB8\xAD\xE6\x96\x87\b\bx\t\t\xE4\xB8\xADx \n'
printf '\xE4\xB8\xAD\xE6\x96\x87\tx\b\by\t\xE4\xB8\xAD\xE6\x96\x87 yx\n'
printf "x <- left%91s\n" "x at right -> x"
printf "x <- left%91s\by\n" "yx at right -> x"
printf "x <- left%91sx\b\b\byy\n\n" "yy at right, x next row -> xx"
# iTerm2 leaves the cursor below the x, whereas QE skips one more line
# we can only fix this by changing the cursor bookkeeping strategy:
# add s->cur_row and s->cur_col and track buffer changes with a callback to
# reset s->cur_row and s->cur_col unless inside qe_term_emulate
printf "x <- left%78sright -> \xE4\xB8\xAD\xE6\x96\x87\n" ""
printf "x <- left%78sright -> \xE4\xB8\xAD\xE6\x96\x87\bx\n" ""
printf "x <- left%78sright -> \xE4\xB8\xAD\xE6\x96\x87\b\bx\n" ""
printf "x <- left%79sright -> \xE4\xB8\xAD\xE6\x96\x87\n" ""
printf "x <- left%79sright -> \xE4\xB8\xAD\xE6\x96\x87\bx\n" ""
printf "x <- left%79sright -> \xE4\xB8\xAD\xE6\x96\x87\b\bx\n" ""
printf "x <- line 1\r\ny <- line 2\r\b\b\b\b\b\b1\r\n\t\tline 3\r\n"
# testing TABs
printf "%-100sxx\ry\t\tyx\n" "long line with xx wrapping to next line \r y should show yx"
printf "\t1\t2\t3\t4\t5\t6\t7\t8\t9\t0\ta\tb\tc\td\te\n"
printf "\t\b1\t\b2\t\b3\t\b4\t\b5\t\b6\t\b7\t\b8\t\b9\t\b0\t\ba\t\bb\t\bc\t\bd\t\be\n"
printf "\e[I1\e[I2\e[I3\e[I4\e[I5\e[I6\e[I7\e[I8\e[I9\e[I0\e[Ia\e[Ib\e[Ic\e[Id\e[Ie\n"
printf "\e[2I1\e[2I2\e[2I3\e[2I4\e[2I5\e[2I6\e[2I7\e[2I8\e[2I9\e[2I0\e[2Ia\e[2Ib\e[2Ic\e[2Id\e[2Ie\n"
printf "\e[12Ix\n"
printf "\e[13Ix\n"
printf "\e[14Ix\n"
printf "\e[15Ix\n"
printf "\e[12Ix\ty\n"
printf "\e[13Ix\ty\n"
printf "\e[14Ix\t\ty\n"
printf "\e[15Ix\t\t\ty\n"
# testing backtab
#printf "\t1\t2\t3\t4\t5\t6\t7\t8\t9\t0\e[Z1\e[Z2\e[Z3\e[Z4\e[Z5\e[Z6\e[Z7\e[Z8\e[Z9\e[Z0\n"
# testing raw output
#printf "\e[3h\001\002\003\004\005\006\007\010\e[3l\n"
# testing combining marks
printf '>v\xCC\x81<\t\tv\xCC\x81 <- v with acute accent\n'
printf '>v<\b\xCC\x81\t\tv\xCC\x81 <- v with acute accent added\n'
printf '>v\xCC\x81<\b\bv\t\tv <- v with acute accent overwritten\n'
# testing repeat
printf 'Repeat 1+9 \xE4\xB8\xAD\e[9b|\n'
printf 'Repeat 10 after space \xE4\xB8\xAD \e[10b|\n'