int ui_browser__show(struct ui_browser *browser, const char *title,
const char *helpline, ...)
{
int err;
va_list ap;
if (browser->refresh_dimensions == NULL)
browser->refresh_dimensions = ui_browser__refresh_dimensions;
browser->refresh_dimensions(browser);
pthread_mutex_lock(&ui__lock);
__ui_browser__show_title(browser, title);
browser->title = title;
zfree(&browser->helpline);
va_start(ap, helpline);
err = vasprintf(&browser->helpline, helpline, ap);
va_end(ap);
if (err > 0)
ui_helpline__push(browser->helpline);
pthread_mutex_unlock(&ui__lock);
return err ? 0 : -1;
}
void ui_helpline__vpush(const char *fmt, va_list ap)
{
char *s;
if (vasprintf(&s, fmt, ap) < 0)
vfprintf(stderr, fmt, ap);
else {
ui_helpline__push(s);
free(s);
}
}
int ui_browser__show(struct ui_browser *self, const char *title,
const char *helpline, ...)
{
int err;
va_list ap;
ui_browser__refresh_dimensions(self);
pthread_mutex_lock(&ui__lock);
__ui_browser__show_title(self, title);
self->title = title;
free(self->helpline);
self->helpline = NULL;
va_start(ap, helpline);
err = vasprintf(&self->helpline, helpline, ap);
va_end(ap);
if (err > 0)
ui_helpline__push(self->helpline);
pthread_mutex_unlock(&ui__lock);
return err ? 0 : -1;
}
void ui_helpline__puts(const char *msg)
{
ui_helpline__pop();
ui_helpline__push(msg);
}
int ui__popup_menu(int argc, char * const argv[])
{
struct ui_browser menu = {
.entries = (void *)argv,
.refresh = ui_browser__argv_refresh,
.seek = ui_browser__argv_seek,
.write = ui_browser__argv_write,
.nr_entries = argc,
};
return popup_menu__run(&menu);
}
int ui_browser__input_window(const char *title, const char *text, char *input,
const char *exit_msg, int delay_secs)
{
int x, y, len, key;
int max_len = 60, nr_lines = 0;
static char buf[50];
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
pthread_mutex_lock(&ui__lock);
max_len += 2;
nr_lines += 8;
y = SLtt_Screen_Rows / 2 - nr_lines / 2;
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 7;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
y += nr_lines;
len = 5;
while (len--) {
SLsmg_gotorc(y + len - 1, x);
SLsmg_write_nstring((char *)" ", max_len);
}
SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
SLsmg_gotorc(y + 3, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
pthread_mutex_unlock(&ui__lock);
x += 2;
len = 0;
key = ui__getch(delay_secs);
while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
pthread_mutex_lock(&ui__lock);
if (key == K_BKSPC) {
if (len == 0) {
pthread_mutex_unlock(&ui__lock);
goto next_key;
}
SLsmg_gotorc(y, x + --len);
SLsmg_write_char(' ');
} else {
buf[len] = key;
SLsmg_gotorc(y, x + len++);
SLsmg_write_char(key);
}
SLsmg_refresh();
pthread_mutex_unlock(&ui__lock);
/* XXX more graceful overflow handling needed */
if (len == sizeof(buf) - 1) {
ui_helpline__push("maximum size of symbol name reached!");
key = K_ENTER;
break;
}
next_key:
key = ui__getch(delay_secs);
}
buf[len] = '\0';
strncpy(input, buf, len+1);
return key;
}
