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msg: ensure status line is always visible 

Restore last status line if it has been cleared by another message.
This commit is contained in:
Kacper Michajłow 2023-10-19 04:27:14 +02:00 committed by Dudemanguy
parent 5c3faf71e8
commit 82451bdf04
1 changed files with 27 additions and 1 deletions
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28
common/msg.c
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@ -77,6 +77,9 @@ struct mp_log_root {
bstr buffer;
bstr term_msg;
bstr term_msg_tmp;
bstr status_line;
struct mp_log *status_log;
bstr term_status_msg;
// --- must be accessed atomically
/* This is incremented every time the msglevels must be reloaded.
* (This is perhaps better than maintaining a globally accessible and
@ -520,6 +523,16 @@ void mp_msg_va(struct mp_log *log, int lev, const char *format, va_list va)
bstr_xappend_vasprintf(root, &root->buffer, format, va);
// Remember last status message and restore it to ensure that it is
// always displayed
if (lev == MSGL_STATUS) {
root->status_log = log;
root->status_line.len = 0;
// Use bstr_xappend instead bstrdup to reuse allocated memory
if (root->buffer.len)
bstr_xappend(root, &root->status_line, root->buffer);
}
if (lev == MSGL_STATS) {
dump_stats(log, lev, root->buffer);
} else if (lev == MSGL_STATUS && !test_terminal_level(log, lev)) {
@ -527,10 +540,23 @@ void mp_msg_va(struct mp_log *log, int lev, const char *format, va_list va)
} else {
write_term_msg(log, lev, root->buffer, &root->term_msg);
root->term_status_msg.len = 0;
if (lev != MSGL_STATUS && root->status_line.len && root->status_log &&
test_terminal_level(root->status_log, MSGL_STATUS))
{
write_term_msg(root->status_log, MSGL_STATUS, root->status_line,
&root->term_status_msg);
}
int fileno = term_msg_fileno(root, lev);
FILE *stream = fileno == STDERR_FILENO ? stderr : stdout;
if (root->term_msg.len) {
fprintf(stream, "%.*s", BSTR_P(root->term_msg));
if (root->term_status_msg.len) {
fprintf(stream, "%.*s%.*s", BSTR_P(root->term_msg),
BSTR_P(root->term_status_msg));
} else {
fprintf(stream, "%.*s", BSTR_P(root->term_msg));
}
fflush(stream);
}
}