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patch 8.0.1712: terminal scrollback is not limited

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Problem:    Terminal scrollback is not limited.
Solution:   Add the 'terminalscroll' option.
This commit is contained in:
Bram Moolenaar
2018-04-14 18:14:06 +02:00
parent a42d363bac
commit 8c041b6b95
6 changed files with 54 additions and 7 deletions
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24
src/terminal.c
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@@ -40,8 +40,6 @@
* TODO:
* - Win32: Make terminal used for :!cmd in the GUI work better. Allow for
* redirection. Probably in call to channel_set_pipes().
* - add an optional limit for the scrollback size. When reaching it remove
* 10% at the start.
* - Copy text in the vterm to the Vim buffer once in a while, so that
* completion works.
* - in GUI vertical split causes problems. Cursor is flickering. (Hirohito
@@ -2518,7 +2516,27 @@ handle_pushline(int cols, const VTermScreenCell *cells, void *user)
{
term_T *term = (term_T *)user;
/* TODO: Limit the number of lines that are stored. */
/* If the number of lines that are stored goes over 'termscrollback' then
* delete the first 10%. */
if (term->tl_scrollback.ga_len > p_tlsl)
{
int todo = p_tlsl / 10;
int i;
curbuf = term->tl_buffer;
for (i = 0; i < todo; ++i)
{
vim_free(((sb_line_T *)term->tl_scrollback.ga_data + i)->sb_cells);
ml_delete(1, FALSE);
}
curbuf = curwin->w_buffer;
term->tl_scrollback.ga_len -= todo;
mch_memmove(term->tl_scrollback.ga_data,
(sb_line_T *)term->tl_scrollback.ga_data + todo,
sizeof(sb_line_T) * term->tl_scrollback.ga_len);
}
if (ga_grow(&term->tl_scrollback, 1) == OK)
{
cellattr_T *p = NULL;