rxvt-unicode has some funny behaviour when scrolling with the cursor not

at column 1, so move it back there first if possible. GitHub issue 1318.
pull/1298/merge
nicm 2018-04-23 07:41:30 +00:00
parent 3dceddd70e
commit 1afe71cc0a
1 changed files with 18 additions and 8 deletions

26
tty.c
View File

@ -1244,13 +1244,18 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
tty_margin_pane(tty, ctx);
/*
* If we want to wrap a pane, the cursor needs to be exactly on the
* right of the region. But if the pane isn't on the right, it may be
* off the edge - if so, move the cursor back to the right.
* If we want to wrap a pane while using margins, the cursor needs to
* be exactly on the right of the region. If the cursor is entirely off
* the edge - move it back to the right. Some terminals are funny about
* this and insert extra spaces, so only use the right if margins are
* enabled.
*/
if (ctx->xoff + ctx->ocx > tty->rright)
tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
else
if (ctx->xoff + ctx->ocx > tty->rright) {
if (!tty_use_margin(tty))
tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
else
tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
} else
tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
tty_putc(tty, '\n');
@ -1275,11 +1280,16 @@ tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
tty_margin_pane(tty, ctx);
if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
tty_cursor(tty, tty->rright, tty->rlower);
if (!tty_use_margin(tty))
tty_cursor(tty, 0, tty->rlower);
else
tty_cursor(tty, tty->rright, tty->rlower);
for (i = 0; i < ctx->num; i++)
tty_putc(tty, '\n');
} else
} else {
tty_cursor(tty, 0, tty->cy);
tty_putcode1(tty, TTYC_INDN, ctx->num);
}
}
void