From 8c68ec52419f3f965164cafcf589b87e8961348d Mon Sep 17 00:00:00 2001 From: Hiltjo Posthuma Date: Sat, 30 Mar 2024 12:30:49 +0100 Subject: [PATCH] Revert "Fix cursor move with wide glyphs" MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This reverts commit 7473a8d1a57e5f9aba41b953f4e498c35e1c9dc5. This patch needs some more work. It caused regressions with programs that use GNU readline, etc. Original test-case example from Tim Culverhouse : printf " 😀" && sleep 2 && printf "\e[D" && sleep 2 && printf "\e[D" && sleep 2 After the patch it caused regressions, example test-case: printf "A字\bB\n" --- st.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/st.c b/st.c index 683493d..b9f66e7 100644 --- a/st.c +++ b/st.c @@ -86,8 +86,8 @@ enum escape_state { typedef struct { Glyph attr; /* current char attributes */ - int x; /* terminal column */ - int y; /* terminal row */ + int x; + int y; char state; } TCursor; @@ -2175,16 +2175,12 @@ tstrsequence(uchar c) void tcontrolcode(uchar ascii) { - size_t i; - switch (ascii) { case '\t': /* HT */ tputtab(1); return; case '\b': /* BS */ - for (i = 1; term.c.x && term.line[term.c.y][term.c.x - i].u == 0; ++i) - ; - tmoveto(term.c.x - i, term.c.y); + tmoveto(term.c.x-1, term.c.y); return; case '\r': /* CR */ tmoveto(0, term.c.y); -- 2.44.0