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Fix linenoise flickering on CTRL+L

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This commit is contained in:
Justine Tunney 2022-06-08 18:40:51 -07:00
parent 701564de19
commit 4e7ce1538c
1 changed files with 13 additions and 5 deletions
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18
third_party/linenoise/linenoise.c vendored
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@ -1090,7 +1090,8 @@ static int linenoiseMirror(struct linenoiseState *l, unsigned res[2]) {
return rc; return rc;
} }
static void linenoiseRefreshLineImpl(struct linenoiseState *l, int force) { static void linenoiseRefreshLineImpl(struct linenoiseState *l, int force,
const char *prefix) {
char *hint; char *hint;
char flipit; char flipit;
char hasflip; char hasflip;
@ -1184,6 +1185,10 @@ StartOver:
cx = -1; cx = -1;
rows = 1; rows = 1;
abInit(&ab); abInit(&ab);
if (prefix) {
// to prevent flicker with ctrl+l
abAppends(&ab, prefix);
}
abAppendw(&ab, '\r'); /* start of line */ abAppendw(&ab, '\r'); /* start of line */
if (l->rows - l->oldpos - 1 > 0) { if (l->rows - l->oldpos - 1 > 0) {
abAppends(&ab, "\e["); abAppends(&ab, "\e[");
@ -1278,13 +1283,13 @@ StartOver:
void linenoiseRefreshLine(struct linenoiseState *l) { void linenoiseRefreshLine(struct linenoiseState *l) {
--__strace; --__strace;
linenoiseRefreshLineImpl(l, 0); linenoiseRefreshLineImpl(l, 0, 0);
++__strace; ++__strace;
} }
static void linenoiseRefreshLineForce(struct linenoiseState *l) { static void linenoiseRefreshLineForce(struct linenoiseState *l) {
--__strace; --__strace;
linenoiseRefreshLineImpl(l, 1); linenoiseRefreshLineImpl(l, 1, 0);
++__strace; ++__strace;
} }
@ -1327,8 +1332,11 @@ static void linenoiseEditEof(struct linenoiseState *l) {
} }
static void linenoiseEditRefresh(struct linenoiseState *l) { static void linenoiseEditRefresh(struct linenoiseState *l) {
linenoiseClearScreen(l->ofd); --__strace;
linenoiseRefreshLine(l); linenoiseRefreshLineImpl(l, 1,
"\e[H" // move cursor to top left corner
"\e[2J"); // erase display
++__strace;
} }
static size_t ForwardWord(struct linenoiseState *l, size_t pos) { static size_t ForwardWord(struct linenoiseState *l, size_t pos) {