/*
* Move the cursor to start of prompt line before executing a command.
* This looks nicer if the command takes a long time before
* updating the screen.
*/
static void
cmd_exec()
{
clear_attn();
clear_bot();
flush();
}
/*
* Set up the display to start a new toggle-option command.
*/
static void
mca_opt_toggle(void)
{
int no_prompt;
int flag;
char *dash;
no_prompt = (optflag & OPT_NO_PROMPT);
flag = (optflag & ~OPT_NO_PROMPT);
dash = (flag == OPT_NO_TOGGLE) ? "_" : "-";
mca = A_OPT_TOGGLE;
clear_bot();
clear_cmd();
cmd_putstr(dash);
if (optgetname)
cmd_putstr(dash);
if (no_prompt)
cmd_putstr("(P)");
switch (flag) {
case OPT_UNSET:
cmd_putstr("+");
break;
case OPT_SET:
cmd_putstr("!");
break;
}
set_mlist(NULL, 0);
}
/*
* Set up the display to start a new search command.
*/
static void
mca_search(void)
{
if (search_type & SRCH_FILTER)
mca = A_FILTER;
else if (search_type & SRCH_FORW)
mca = A_F_SEARCH;
else
mca = A_B_SEARCH;
clear_bot();
clear_cmd();
if (search_type & SRCH_NO_MATCH)
cmd_putstr("Non-match ");
if (search_type & SRCH_FIRST_FILE)
cmd_putstr("First-file ");
if (search_type & SRCH_PAST_EOF)
cmd_putstr("EOF-ignore ");
if (search_type & SRCH_NO_MOVE)
cmd_putstr("Keep-pos ");
if (search_type & SRCH_NO_REGEX)
cmd_putstr("Regex-off ");
if (search_type & SRCH_FILTER)
cmd_putstr("&/");
else if (search_type & SRCH_FORW)
cmd_putstr("/");
else
cmd_putstr("?");
set_mlist(ml_search, 0);
}
/*
* Move the cursor to start of prompt line before executing a command.
* This looks nicer if the command takes a long time before
* updating the screen.
*/
static void
cmd_exec()
{
#if HILITE_SEARCH
clear_attn();
#endif
clear_bot();
flush();
}
/*
* Set up the display to start a new multi-character command.
*/
static void
start_mca(int action, const char *prompt, void *mlist, int cmdflags)
{
mca = action;
clear_bot();
clear_cmd();
cmd_putstr((char *)prompt);
set_mlist(mlist, cmdflags);
}
/*
* Process any signals we have received.
* A received signal cause a bit to be set in "sigs".
*/
void
psignals(void)
{
int tsignals;
if ((tsignals = sigs) == 0)
return;
sigs = 0;
if (tsignals & S_STOP) {
/*
* Clean up the terminal.
*/
lsignal(SIGTTOU, SIG_IGN);
clear_bot();
deinit();
flush(0);
raw_mode(0);
lsignal(SIGTTOU, SIG_DFL);
lsignal(SIGTSTP, SIG_DFL);
kill(getpid(), SIGTSTP);
/*
* ... Bye bye. ...
* Hopefully we'll be back later and resume here...
* Reset the terminal and arrange to repaint the
* screen when we get back to the main command loop.
*/
lsignal(SIGTSTP, stop);
raw_mode(1);
init();
screen_trashed = 1;
tsignals |= S_WINCH;
}
if (tsignals & S_WINCH) {
int old_width, old_height;
/*
* Re-execute scrsize() to read the new window size.
*/
old_width = sc_width;
old_height = sc_height;
get_term();
if (sc_width != old_width || sc_height != old_height) {
wscroll = (sc_height + 1) / 2;
calc_jump_sline();
calc_shift_count();
screen_trashed = 1;
}
}
if (tsignals & S_INTERRUPT) {
ring_bell();
if (quit_on_intr)
quit(QUIT_INTERRUPT);
}
}
/*
* Display the appropriate prompt.
*/
static void
prompt(void)
{
const char *p;
if (ungot != NULL) {
/*
* No prompt necessary if commands are from
* ungotten chars rather than from the user.
*/
return;
}
/*
* Make sure the screen is displayed.
*/
make_display();
bottompos = position(BOTTOM_PLUS_ONE);
/*
* If we've hit EOF on the last file and the -E flag is set, quit.
*/
if (get_quit_at_eof() == OPT_ONPLUS &&
eof_displayed() && !(ch_getflags() & CH_HELPFILE) &&
next_ifile(curr_ifile) == NULL_IFILE)
quit(QUIT_OK);
/*
* If the entire file is displayed and the -F flag is set, quit.
*/
if (quit_if_one_screen &&
entire_file_displayed() && !(ch_getflags() & CH_HELPFILE) &&
next_ifile(curr_ifile) == NULL_IFILE)
quit(QUIT_OK);
/*
* Select the proper prompt and display it.
*/
/*
* If the previous action was a forward movement,
* don't clear the bottom line of the display;
* just print the prompt since the forward movement guarantees
* that we're in the right position to display the prompt.
* Clearing the line could cause a problem: for example, if the last
* line displayed ended at the right screen edge without a newline,
* then clearing would clear the last displayed line rather than
* the prompt line.
*/
if (!forw_prompt)
clear_bot();
clear_cmd();
forw_prompt = 0;
p = prompt_string();
if (is_filtering())
putstr("& ");
if (p == NULL || *p == '\0') {
putchr(':');
} else {
at_enter(AT_STANDOUT);
putstr(p);
at_exit();
}
clear_eol();
}
