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msg: don't clear term OSD lines that are not used

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This commit is contained in:
wm4 2014-01-14 17:37:55 +01:00
parent f3133e8704
commit b51713e8e7
1 changed files with 5 additions and 3 deletions
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8
common/msg.c
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@ -125,7 +125,6 @@ bool mp_msg_test(struct mp_log *log, int lev)
static void prepare_status_line(struct mp_log_root *root, char *new_status)
{
FILE *f = stderr;
size_t old_lines = root->blank_lines;
size_t new_lines = 1;
char *tmp = new_status;
@ -137,13 +136,16 @@ static void prepare_status_line(struct mp_log_root *root, char *new_status)
tmp++;
}
size_t old_lines = root->status_lines;
size_t clear_lines = MPMIN(MPMAX(new_lines, old_lines), root->blank_lines);
// clear the status line itself
fprintf(f, "\r%s", terminal_erase_to_end_of_line);
// and clear all previous old lines
for (size_t n = 1; n < old_lines; n++)
for (size_t n = 1; n < clear_lines; n++)
fprintf(f, "%s\r%s", terminal_cursor_up, terminal_erase_to_end_of_line);
// skip "unused" blank lines, so that status is aligned to term bottom
for (size_t n = new_lines; n < old_lines; n++)
for (size_t n = new_lines; n < clear_lines; n++)
fprintf(f, "\n");
root->status_lines = new_lines;