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scrollback: limit maximum number of lines one can scrollback at once

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Daniel Eklöf 2019-07-11 18:34:03 +02:00
parent cbac302ba1
commit 6e4c31960a
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GPG key ID: 5BBD4992C116573F
1 changed files with 2 additions and 5 deletions
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7
commands.c
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@ -16,10 +16,8 @@ cmd_scrollback_up(struct terminal *term, int rows)
if (term->grid == &term->alt)
return;
rows = min(rows, term->grid->num_rows - term->rows);
rows = min(rows, term->rows);
assert(term->grid->offset >= 0);
assert(rows <= term->rows);
int new_view = (term->grid->view + term->grid->num_rows - rows) % term->grid->num_rows;
assert(new_view >= 0);
@ -77,8 +75,7 @@ cmd_scrollback_down(struct terminal *term, int rows)
if (term->grid->view == term->grid->offset)
return;
rows = min(rows, term->grid->num_rows - term->rows);
rows = min(rows, term->rows);
assert(term->grid->offset >= 0);
int new_view = (term->grid->view + rows) % term->grid->num_rows;