/* Called when it's time for a more prompt but user has them turned off. */
void dumb_elide_more_prompt(void)
{
dumb_show_screen(FALSE);
if (compression_mode == COMPRESSION_SPANS && hide_lines == 0) {
show_row(-1);
}
}
zchar do_input(int timeout, bool show_cursor)
{
int action;
long timeout_at;
zchar menu_ret;
dumb_show_screen(show_cursor);
/* Convert timeout (tenths of a second) to ticks */
if (timeout > 0)
timeout = (timeout * HZ) / 10;
else
timeout = TIMEOUT_BLOCK;
timeout_at = *rb->current_tick + timeout;
for (;;)
{
action = pluginlib_getaction(timeout,
plugin_contexts, 1);
switch (action)
{
case PLA_QUIT:
return ZC_HKEY_QUIT;
case PLA_MENU:
menu_ret = menu();
if (menu_ret != ZC_BAD)
return menu_ret;
timeout_at = *rb->current_tick + timeout;
break;
case PLA_FIRE:
return ZC_RETURN;
case PLA_START:
return ZC_BAD;
default:
if (timeout != TIMEOUT_BLOCK &&
!TIME_BEFORE(*rb->current_tick, timeout_at))
return ZC_TIME_OUT;
}
}
}
void wait_for_key()
{
int action;
dumb_show_screen(false);
for (;;)
{
action = pluginlib_getaction(TIMEOUT_BLOCK,
plugin_contexts, 1);
switch (action)
{
case PLA_QUIT:
hot_key_quit();
break;
case PLA_FIRE:
return;
}
}
}
bool dumb_output_handle_setting(const char *setting, bool show_cursor,
bool startup)
{
char *p;
int i;
if (!strncmp(setting, "pb", 2)) {
toggle(&show_pictures, setting[2]);
printf("Picture outlines display %s\n", show_pictures ? "ON" : "OFF");
if (startup)
return TRUE;
for (i = 0; i < screen_cells; i++)
screen_changes[i] = (cell_style(screen_data[i]) == PICTURE_STYLE);
dumb_show_screen(show_cursor);
} else if (!strncmp(setting, "vb", 2)) {
toggle(&visual_bell, setting[2]);
printf("Visual bell %s\n", visual_bell ? "ON" : "OFF");
os_beep(1); os_beep(2);
} else if (!strncmp(setting, "ln", 2)) {
toggle(&show_line_numbers, setting[2]);
printf("Line numbering %s\n", show_line_numbers ? "ON" : "OFF");
} else if (!strncmp(setting, "lt", 2)) {
toggle(&show_line_types, setting[2]);
printf("Line-type display %s\n", show_line_types ? "ON" : "OFF");
} else if (*setting == 'c') {
switch (setting[1]) {
case 'm': compression_mode = COMPRESSION_MAX; break;
case 's': compression_mode = COMPRESSION_SPANS; break;
case 'n': compression_mode = COMPRESSION_NONE; break;
case 'h': hide_lines = atoi(&setting[2]); break;
default: return FALSE;
}
printf("Compression mode %s, hiding top %d lines\n",
compression_names[compression_mode], hide_lines);
} else if (*setting == 'r') {
switch (setting[1]) {
case 'n': rv_mode = RV_NONE; break;
case 'o': rv_mode = RV_DOUBLESTRIKE; break;
case 'u': rv_mode = RV_UNDERLINE; break;
case 'c': rv_mode = RV_CAPS; break;
case 'b': rv_blank_char = setting[2] ? setting[2] : ' '; break;
default: return FALSE;
}
printf("Reverse-video mode %s, blanks reverse to '%c': ",
rv_names[rv_mode], rv_blank_char);
for (p = "sample reverse text"; *p; p++)
show_cell(make_cell(REVERSE_STYLE, *p));
putchar('\n');
for (i = 0; i < screen_cells; i++)
screen_changes[i] = (cell_style(screen_data[i]) == REVERSE_STYLE);
dumb_show_screen(show_cursor);
} else if (!strcmp(setting, "set")) {
printf("Compression Mode %s, hiding top %d lines\n",
compression_names[compression_mode], hide_lines);
printf("Picture Boxes display %s\n", show_pictures ? "ON" : "OFF");
printf("Visual Bell %s\n", visual_bell ? "ON" : "OFF");
os_beep(1); os_beep(2);
printf("Line Numbering %s\n", show_line_numbers ? "ON" : "OFF");
printf("Line-Type display %s\n", show_line_types ? "ON" : "OFF");
printf("Reverse-Video mode %s, Blanks reverse to '%c': ",
rv_names[rv_mode], rv_blank_char);
for (p = "sample reverse text"; *p; p++)
show_cell(make_cell(REVERSE_STYLE, *p));
putchar('\n');
} else
return FALSE;
return TRUE;
}
void os_reset_screen(void)
{
dumb_show_screen(FALSE);
}
/* Read a line, processing commands (lines that start with a backslash
* (that isn't the start of a special character)), and write the
* first non-command to s.
* Return true if timed-out. */
static bool dumb_read_line(char *s, char *prompt, bool show_cursor,
int timeout, enum input_type type,
zchar *continued_line_chars)
{
time_t start_time;
if (timeout) {
if (time_ahead >= timeout) {
time_ahead -= timeout;
return TRUE;
}
timeout -= time_ahead;
start_time = time(0);
}
time_ahead = 0;
dumb_show_screen(show_cursor);
for (;;) {
char *command;
if (prompt)
fputs(prompt, stdout);
else
dumb_show_prompt(show_cursor, (timeout ? "tTD" : ")>}")[type]);
getline_(s);
if ((s[0] != '\\') || ((s[1] != '\0') && !islower(s[1]))) {
/* Is not a command line. */
translate_special_chars(s);
if (timeout) {
int elapsed = (time(0) - start_time) * 10 * speed;
if (elapsed > timeout) {
time_ahead = elapsed - timeout;
return TRUE;
}
}
return FALSE;
}
/* Commands. */
/* Remove the \ and the terminating newline. */
command = s + 1;
command[strlen(command) - 1] = '\0';
if (!strcmp(command, "t")) {
if (timeout) {
time_ahead = 0;
s[0] = '\0';
return TRUE;
}
} else if (*command == 'w') {
if (timeout) {
int elapsed = atoi(&command[1]);
time_t now = time(0);
if (elapsed == 0)
elapsed = (now - start_time) * 10 * speed;
if (elapsed >= timeout) {
time_ahead = elapsed - timeout;
s[0] = '\0';
return TRUE;
}
timeout -= elapsed;
start_time = now;
}
} else if (!strcmp(command, "d")) {
if (type != INPUT_LINE_CONTINUED)
fprintf(stderr, "DUMB-FROTZ: No input to discard\n");
else {
dumb_discard_old_input(strlen((char *) continued_line_chars));
continued_line_chars[0] = '\0';
type = INPUT_LINE;
}
} else if (!strcmp(command, "help")) {
if (!do_more_prompts)
fputs(runtime_usage, stdout);
else {
char *current_page, *next_page;
current_page = next_page = runtime_usage;
for (;;) {
int i;
for (i = 0; (i < h_screen_rows - 2) && *next_page; i++)
next_page = strchr(next_page, '\n') + 1;
printf("%.*s", (int) (next_page - current_page), current_page);
current_page = next_page;
if (!*current_page)
break;
printf("HELP: Type <return> for more, or q <return> to stop: ");
getline_(s);
if (!strcmp(s, "q\n"))
break;
}
}
} else if (!strcmp(command, "s")) {
dumb_dump_screen();
} else if (!dumb_handle_setting(command, show_cursor, FALSE)) {
fprintf(stderr, "DUMB-FROTZ: unknown command: %s\n", s);
fprintf(stderr, "Enter \\help to see the list of commands\n");
}
}
}
