/* Performs final actions on successful querying of prompt input. */
static void
finish_prompt_submode(const char input[])
{
const prompt_cb cb = (prompt_cb)sub_mode_ptr;
modes_post();
modes_pre();
cb(input);
}
void
event_loop(const int *quit)
{
/* TODO: refactor this function event_loop(). */
LOG_FUNC_ENTER;
const wchar_t *const prev_input_buf = curr_input_buf;
const size_t *const prev_input_buf_pos = curr_input_buf_pos;
wchar_t input_buf[128];
size_t input_buf_pos;
int last_result = 0;
int wait_for_enter = 0;
int timeout = cfg.timeout_len;
input_buf[0] = L'\0';
input_buf_pos = 0;
curr_input_buf = &input_buf[0];
curr_input_buf_pos = &input_buf_pos;
while(!*quit)
{
wint_t c;
size_t counter;
int got_input;
if(!ensure_term_is_ready())
{
wait_for_enter = 0;
continue;
}
lwin.user_selection = 1;
rwin.user_selection = 1;
modes_pre();
/* Waits for timeout then skips if no keypress. Short-circuit if we're not
* waiting for the next key after timeout. */
do
{
modes_periodic();
check_background_jobs();
got_input = get_char_async_loop(status_bar, &c, timeout) != ERR;
if(!got_input && input_buf_pos == 0)
{
timeout = cfg.timeout_len;
continue;
}
break;
}
while(1);
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this). */
(void)vifm_chdir(flist_get_dir(curr_view));
if(got_input)
{
if(wait_for_enter)
{
wait_for_enter = 0;
curr_stats.save_msg = 0;
clean_status_bar();
if(c == L'\x0d')
{
continue;
}
}
if(c == L'\x1a') /* Ctrl-Z */
{
def_prog_mode();
endwin();
stop_process();
continue;
}
if(input_buf_pos < ARRAY_LEN(input_buf) - 2)
{
input_buf[input_buf_pos++] = c;
input_buf[input_buf_pos] = L'\0';
}
else
{
/* Recover from input buffer overflow by resetting its contents. */
reset_input_buf(input_buf, &input_buf_pos);
clear_input_bar();
continue;
}
}
counter = get_key_counter();
if(!got_input && last_result == KEYS_WAIT_SHORT)
{
last_result = execute_keys_timed_out(input_buf);
counter = get_key_counter() - counter;
assert(counter <= input_buf_pos);
if(counter > 0)
{
memmove(input_buf, input_buf + counter,
(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
}
}
else
{
if(got_input)
{
curr_stats.save_msg = 0;
}
last_result = execute_keys(input_buf);
counter = get_key_counter() - counter;
assert(counter <= input_buf_pos);
if(counter > 0)
{
input_buf_pos -= counter;
memmove(input_buf, input_buf + counter,
(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
}
if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
{
if(got_input)
{
modupd_input_bar(input_buf);
}
if(last_result == KEYS_WAIT_SHORT && wcscmp(input_buf, L"\033") == 0)
{
timeout = 1;
}
if(counter > 0)
{
clear_input_bar();
}
if(!curr_stats.save_msg && curr_view->selected_files &&
!vle_mode_is(CMDLINE_MODE))
{
print_selected_msg();
}
continue;
}
}
timeout = cfg.timeout_len;
process_scheduled_updates();
reset_input_buf(input_buf, &input_buf_pos);
clear_input_bar();
if(is_status_bar_multiline())
{
wait_for_enter = 1;
update_all_windows();
continue;
}
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this). PWD could be changed during command execution, but
* it should be correct for modes_post() in case of preview modes. */
(void)vifm_chdir(flist_get_dir(curr_view));
modes_post();
}
curr_input_buf = prev_input_buf;
curr_input_buf_pos = prev_input_buf_pos;
}
static void
cmd_ctrl_m(key_info_t key_info, keys_info_t *keys_info)
{
char* p;
int save_hist = !keys_info->mapped;
stop_completion();
werase(status_bar);
wnoutrefresh(status_bar);
if((!input_stat.line || !input_stat.line[0]) && sub_mode == MENU_CMD_SUBMODE)
{
leave_cmdline_mode();
return;
}
p = input_stat.line ? to_multibyte(input_stat.line) : NULL;
leave_cmdline_mode();
if(prev_mode == VISUAL_MODE && sub_mode != VSEARCH_FORWARD_SUBMODE &&
sub_mode != VSEARCH_BACKWARD_SUBMODE)
leave_visual_mode(curr_stats.save_msg, 1, 0);
if(sub_mode == CMD_SUBMODE || sub_mode == MENU_CMD_SUBMODE)
{
char* s = (p != NULL) ? p : "";
while(*s == ' ' || *s == ':')
s++;
if(sub_mode == CMD_SUBMODE)
curr_stats.save_msg = exec_commands(s, curr_view, save_hist, GET_COMMAND);
else
curr_stats.save_msg = exec_commands(s, curr_view, save_hist,
GET_MENU_COMMAND);
}
else if(sub_mode == PROMPT_SUBMODE)
{
prompt_cb cb;
if(p != NULL && p[0] != '\0')
save_prompt_history(p);
modes_post();
modes_pre();
cb = (prompt_cb)sub_mode_ptr;
cb(p);
}
else if(!cfg.inc_search || prev_mode == VIEW_MODE)
{
if(sub_mode == SEARCH_FORWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_FSEARCH_PATTERN);
}
else if(sub_mode == SEARCH_BACKWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_BSEARCH_PATTERN);
}
else if(sub_mode == MENU_SEARCH_FORWARD_SUBMODE ||
sub_mode == MENU_SEARCH_BACKWARD_SUBMODE)
{
curr_stats.need_redraw = 1;
search_menu_list(p, sub_mode_ptr);
}
else if(sub_mode == VSEARCH_FORWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_VFSEARCH_PATTERN);
}
else if(sub_mode == VSEARCH_BACKWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_VBSEARCH_PATTERN);
}
else if(sub_mode == VIEW_SEARCH_FORWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_VWFSEARCH_PATTERN);
}
else if(sub_mode == VIEW_SEARCH_BACKWARD_SUBMODE)
{
curr_stats.save_msg = exec_command(p, curr_view, GET_VWBSEARCH_PATTERN);
}
}
free(p);
}
void
event_loop(const int *quit)
{
/* TODO: refactor this function event_loop(). */
LOG_FUNC_ENTER;
const wchar_t *const prev_input_buf = curr_input_buf;
const size_t *const prev_input_buf_pos = curr_input_buf_pos;
wchar_t input_buf[128];
size_t input_buf_pos;
int last_result = 0;
int wait_for_enter = 0;
int wait_for_suggestion = 0;
int timeout = cfg.timeout_len;
input_buf[0] = L'\0';
input_buf_pos = 0;
curr_input_buf = &input_buf[0];
curr_input_buf_pos = &input_buf_pos;
/* Make sure to set the working directory once in order to have the
* desired state even before any events are processed. */
(void)vifm_chdir(flist_get_dir(curr_view));
while(!*quit)
{
wint_t c;
size_t counter;
int got_input;
lwin.user_selection = 1;
rwin.user_selection = 1;
modes_pre();
/* Waits for timeout then skips if no key press. Short-circuit if we're not
* waiting for the next key after timeout. */
do
{
const int actual_timeout = wait_for_suggestion
? MIN(timeout, cfg.sug.delay)
: timeout;
if(!ensure_term_is_ready())
{
wait_for_enter = 0;
continue;
}
modes_periodic();
bg_check();
got_input = (get_char_async_loop(status_bar, &c, actual_timeout) != ERR);
/* If suggestion delay timed out, reset it and wait the rest of the
* timeout. */
if(!got_input && wait_for_suggestion)
{
wait_for_suggestion = 0;
timeout -= actual_timeout;
display_suggestion_box(input_buf);
continue;
}
wait_for_suggestion = 0;
if(!got_input && (input_buf_pos == 0 || last_result == KEYS_WAIT))
{
timeout = cfg.timeout_len;
continue;
}
if(got_input && c == K(KEY_RESIZE))
{
modes_redraw();
continue;
}
break;
}
while(1);
suggestions_are_visible = 0;
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this, e.g. %c macro in current directory). */
(void)vifm_chdir(flist_get_dir(curr_view));
if(got_input)
{
if(wait_for_enter)
{
wait_for_enter = 0;
curr_stats.save_msg = 0;
ui_sb_clear();
if(c == WC_CR)
{
continue;
}
}
if(c == WC_C_z)
{
ui_shutdown();
stop_process();
continue;
}
if(input_buf_pos < ARRAY_LEN(input_buf) - 2)
{
input_buf[input_buf_pos++] = c;
input_buf[input_buf_pos] = L'\0';
}
else
{
/* Recover from input buffer overflow by resetting its contents. */
reset_input_buf(input_buf, &input_buf_pos);
clear_input_bar();
continue;
}
}
counter = vle_keys_counter();
if(!got_input && last_result == KEYS_WAIT_SHORT)
{
hide_suggestion_box();
last_result = vle_keys_exec_timed_out(input_buf);
counter = vle_keys_counter() - counter;
assert(counter <= input_buf_pos);
if(counter > 0)
{
memmove(input_buf, input_buf + counter,
(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
}
}
else
{
if(got_input)
{
curr_stats.save_msg = 0;
}
if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
{
hide_suggestion_box();
}
last_result = vle_keys_exec(input_buf);
counter = vle_keys_counter() - counter;
assert(counter <= input_buf_pos);
if(counter > 0)
{
input_buf_pos -= counter;
memmove(input_buf, input_buf + counter,
(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
}
if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
{
if(should_display_suggestion_box())
{
wait_for_suggestion = 1;
}
if(got_input)
{
modupd_input_bar(input_buf);
}
if(last_result == KEYS_WAIT_SHORT && wcscmp(input_buf, L"\033") == 0)
{
timeout = 1;
}
if(counter > 0)
{
clear_input_bar();
}
if(!curr_stats.save_msg && curr_view->selected_files &&
!vle_mode_is(CMDLINE_MODE))
{
print_selected_msg();
}
continue;
}
}
timeout = cfg.timeout_len;
process_scheduled_updates();
reset_input_buf(input_buf, &input_buf_pos);
clear_input_bar();
if(ui_sb_multiline())
{
wait_for_enter = 1;
update_all_windows();
continue;
}
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this). PWD could be changed during command execution, but
* it should be correct for modes_post() in case of preview modes. */
(void)vifm_chdir(flist_get_dir(curr_view));
modes_post();
}
curr_input_buf = prev_input_buf;
curr_input_buf_pos = prev_input_buf_pos;
}
/*
* Main Loop
* Everything is driven from this function with the exception of
* signals which are handled in signals.c
*/
void
main_loop(void)
{
LOG_FUNC_ENTER;
int last_result = 0;
int wait_enter = 0;
int timeout = cfg.timeout_len;
buf[0] = L'\0';
while(1)
{
wchar_t c;
size_t counter;
int ret;
is_term_working();
#ifdef _WIN32
update_win_console();
#endif
lwin.user_selection = 1;
rwin.user_selection = 1;
if(curr_stats.too_small_term > 0)
{
touchwin(stdscr);
wrefresh(stdscr);
mvwin(status_bar, 0, 0);
wresize(status_bar, getmaxy(stdscr), getmaxx(stdscr));
werase(status_bar);
waddstr(status_bar, "Terminal is too small for vifm");
touchwin(status_bar);
wrefresh(status_bar);
#ifndef _WIN32
pause();
#endif
continue;
}
else if(curr_stats.too_small_term < 0)
{
wtimeout(status_bar, 0);
while(wget_wch(status_bar, (wint_t*)&c) != ERR);
curr_stats.too_small_term = 0;
modes_redraw();
wtimeout(status_bar, cfg.timeout_len);
wait_enter = 0;
curr_stats.save_msg = 0;
status_bar_message("");
}
modes_pre();
/* This waits for timeout then skips if no keypress. */
ret = read_char(status_bar, (wint_t*)&c, timeout);
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this). */
(void)vifm_chdir(curr_view->curr_dir);
if(ret != ERR && pos != ARRAY_LEN(buf) - 2)
{
if(c == L'\x1a') /* Ctrl-Z */
{
def_prog_mode();
endwin();
#ifndef _WIN32
{
void (*saved_stp_sig_handler)(int) = signal(SIGTSTP, SIG_DFL);
kill(0, SIGTSTP);
signal(SIGTSTP, saved_stp_sig_handler);
}
#endif
continue;
}
if(wait_enter)
{
wait_enter = 0;
curr_stats.save_msg = 0;
clean_status_bar();
if(c == L'\x0d')
continue;
}
buf[pos++] = c;
buf[pos] = L'\0';
}
if(wait_enter && ret == ERR)
continue;
counter = get_key_counter();
if(ret == ERR && last_result == KEYS_WAIT_SHORT)
{
last_result = execute_keys_timed_out(buf);
counter = get_key_counter() - counter;
assert(counter <= pos);
if(counter > 0)
{
memmove(buf, buf + counter,
(wcslen(buf) - counter + 1)*sizeof(wchar_t));
}
}
else
{
if(ret != ERR)
curr_stats.save_msg = 0;
last_result = execute_keys(buf);
counter = get_key_counter() - counter;
assert(counter <= pos);
if(counter > 0)
{
pos -= counter;
memmove(buf, buf + counter,
(wcslen(buf) - counter + 1)*sizeof(wchar_t));
}
if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
{
if(ret != ERR)
modupd_input_bar(buf);
if(last_result == KEYS_WAIT_SHORT && wcscmp(buf, L"\033") == 0)
timeout = 1;
if(counter > 0)
clear_input_bar();
if(!curr_stats.save_msg && curr_view->selected_files &&
get_mode() != CMDLINE_MODE)
print_selected_msg();
continue;
}
}
timeout = cfg.timeout_len;
process_scheduled_updates();
pos = 0;
buf[0] = L'\0';
clear_input_bar();
if(is_status_bar_multiline())
{
wait_enter = 1;
update_all_windows();
continue;
}
/* Ensure that current working directory is set correctly (some pieces of
* code rely on this). PWD could be changed during command execution, but
* it should be correct for modes_post() in case of preview modes. */
(void)vifm_chdir(curr_view->curr_dir);
modes_post();
}
}