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terminal: Allow undo and 'modifiable'.

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Partial step towards #2637. Will crash if *all* lines are deleted.

Closes #2607
References #5431
This commit is contained in:
Justin M. Keyes
2017-02-19 03:48:20 +01:00
parent 7ea81fe443
commit fedb8443d5
4 changed files with 15 additions and 28 deletions
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8
src/nvim/terminal.c
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@@ -237,12 +237,16 @@ Terminal *terminal_open(TerminalOptions opts)
rv->invalid_end = opts.height;
refresh_screen(rv, curbuf);
set_option_value((uint8_t *)"buftype", 0, (uint8_t *)"terminal", OPT_LOCAL);
// some sane settings for terminal buffers
curbuf->b_p_ma = false; // 'nomodifiable'
curbuf->b_p_ul = -1; // disable undo
set_option_value((uint8_t *)"wrap", false, NULL, OPT_LOCAL);
set_option_value((uint8_t *)"number", false, NULL, OPT_LOCAL);
set_option_value((uint8_t *)"relativenumber", false, NULL, OPT_LOCAL);
buf_set_term_title(curbuf, (char *)curbuf->b_ffname);
RESET_BINDING(curwin);
// Apply TermOpen autocmds so the user can configure the terminal
apply_autocmds(EVENT_TERMOPEN, NULL, NULL, false, curbuf);
@@ -958,7 +962,7 @@ static void refresh_terminal(Terminal *term)
buf_T *buf = handle_get_buffer(term->buf_handle);
bool valid = true;
if (!buf || !(valid = buf_valid(buf))) {
// destroyed by `close_buffer`. Dont do anything else
// Destroyed by `close_buffer`. Do not do anything else.
if (!valid) {
term->buf_handle = 0;
}
@@ -1039,7 +1043,7 @@ static void refresh_scrollback(Terminal *term, buf_T *buf)
}
}
// Refresh the screen(visible part of the buffer when the terminal is
// Refresh the screen (visible part of the buffer when the terminal is
// focused) of a invalidated terminal
static void refresh_screen(Terminal *term, buf_T *buf)
{