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Reset to normal cursor when the command prompt is printed. 

This works around problems when programs change the cursor and don't restore it before exiting.
This commit is contained in:
Stephen Heumann 2015-01-08 17:10:46 -06:00
parent b1044cfa8f
commit 01890e4a42
1 changed files with 10 additions and 8 deletions
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18
libbb/lineedit.c
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@ -128,6 +128,7 @@ char *up_cmd = "\037"; // ^_
char *home_cmd = "\031"; // ^Y
char *right_cmd = "\025"; // ^U
char *clear_to_end_of_screen_cmd = "\013"; // ^K
char *normal_cursor_cmd = "\002\005"; // ^B^E
#else
# define TERMCAP_BUFSIZ 4096
# define DEFAULT_TERM "vt100"
@ -135,6 +136,7 @@ char *up_cmd = ESC"[A";
char *home_cmd = ESC"[H";
char *right_cmd = ESC"[C";
char *clear_to_end_of_screen_cmd = ESC"[J";
char *normal_cursor_cmd = "";
#endif
char *old_term = NULL;
@ -284,20 +286,19 @@ static void init_termcap(void)
}
result = tgetstr("up", &string_buf);
if (result != NULL)
up_cmd = result;
up_cmd = result ? result : "";
result = tgetstr("ho", &string_buf);
if (result != NULL)
home_cmd = result;
home_cmd = result ? result : "";
result = tgetstr("nd", &string_buf);
if (result != NULL)
right_cmd = result;
right_cmd = result ? result : "";
result = tgetstr("cd", &string_buf);
if (result != NULL)
clear_to_end_of_screen_cmd = result;
clear_to_end_of_screen_cmd = result ? result : "";
result = tgetstr("ve", &string_buf);
normal_cursor_cmd = result ? result : "";
n_escape_seqs = 0;
add_escape_seq_from_termcap("ku", KEYCODE_UP, &string_buf);
@ -2563,6 +2564,7 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
/* Print out the command prompt, optionally ask where cursor is */
parse_and_put_prompt(prompt);
tputs(normal_cursor_cmd, 1, bb_putchar);
ask_terminal();
/* Install window resize handler (NB: after *all* init is complete) */