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Fix check for wrapping when redrawing entire lines, GitHub issue 1836.

pull/1848/head
nicm 2019-07-16 14:11:52 +00:00
parent b89f2f28bb
commit 99852f8401
1 changed files with 9 additions and 4 deletions
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13
tty.c
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@ -1217,7 +1217,7 @@ tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
const struct grid_cell *gcp; const struct grid_cell *gcp;
struct grid_line *gl; struct grid_line *gl;
u_int i, j, ux, sx, width; u_int i, j, ux, sx, width;
int flags, cleared = 0; int flags, cleared = 0, wrapped = 0;
char buf[512]; char buf[512];
size_t len; size_t len;
u_int cellsize; u_int cellsize;
@ -1274,8 +1274,10 @@ tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
tty_putcode(tty, TTYC_EL1); tty_putcode(tty, TTYC_EL1);
cleared = 1; cleared = 1;
} }
} else } else {
log_debug("%s: wrapped line %u", __func__, aty); log_debug("%s: wrapped line %u", __func__, aty);
wrapped = 1;
}
memcpy(&last, &grid_default_cell, sizeof last); memcpy(&last, &grid_default_cell, sizeof last);
len = 0; len = 0;
@ -1299,13 +1301,15 @@ tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
tty_clear_line(tty, wp, aty, atx + ux, width, tty_clear_line(tty, wp, aty, atx + ux, width,
last.bg); last.bg);
} else { } else {
tty_cursor(tty, atx + ux, aty); if (!wrapped || atx != 0 || ux != 0)
tty_cursor(tty, atx + ux, aty);
tty_putn(tty, buf, len, width); tty_putn(tty, buf, len, width);
} }
ux += width; ux += width;
len = 0; len = 0;
width = 0; width = 0;
wrapped = 0;
} }
if (gcp->flags & GRID_FLAG_SELECTED) if (gcp->flags & GRID_FLAG_SELECTED)
@ -1339,7 +1343,8 @@ tty_draw_line(struct tty *tty, struct window_pane *wp, struct screen *s,
log_debug("%s: %zu cleared (end)", __func__, len); log_debug("%s: %zu cleared (end)", __func__, len);
tty_clear_line(tty, wp, aty, atx + ux, width, last.bg); tty_clear_line(tty, wp, aty, atx + ux, width, last.bg);
} else { } else {
tty_cursor(tty, atx + ux, aty); if (!wrapped || atx != 0 || ux != 0)
tty_cursor(tty, atx + ux, aty);
tty_putn(tty, buf, len, width); tty_putn(tty, buf, len, width);
} }
ux += width; ux += width;