static void _print_string(const char *ptr, size_t width, bool utf8,
bool left_adjust)
{
if (!ptr)
ptr = nullstr;
size_t padding = 0;
if (width) {
size_t w = screen_display_width(ptr, utf8);
if (w < width)
padding = width - w;
}
if (padding && !left_adjust)
tui_repeat_char(' ', padding);
if (utf8) {
screen_puts(ptr, 0);
} else {
convert(CONVERT_G2U, ptr, CONVERT_ALL, NULL, 0,
screen_put_gbk_helper, NULL);
}
if (padding && left_adjust)
tui_repeat_char(' ', padding);
}
/**
* 重绘屏幕
*/
void screen_redraw(void)
{
if (!screen.buf)
return;
ansi_cmd(ANSI_CMD_CL);
screen.tc_col = 0;
screen.tc_line = 0;
for (int i = 0; i < screen.lines; ++i) {
screen_line_t *sl = get_screen_line(i);
if (!sl->len)
continue;
move_terminal_cursor(0, i);
screen_write_cached(sl->data, sl->len);
screen.tc_col += sl->len;
if (screen.tc_col >= screen.columns) {
screen.tc_col = screen.columns - 1;
}
sl->modified = false;
sl->data[sl->len] = '\0';
sl->old_width = screen_display_width((char *) sl->data, true);
}
move_terminal_cursor(screen.cur_col, screen.cur_ln);
screen.redraw = false;
screen.scrollcnt = 0;
terminal_flush();
}
void screen_flush(void)
{
if (!screen.buf) {
terminal_flush();
return;
}
if (!terminal_input_buffer_empty())
return;
if (screen.redraw || (abs(screen.scrollcnt) >= (screen.lines - 3))) {
screen_redraw();
return;
}
if (screen.scrollcnt < 0) {
move_terminal_cursor(0, 0);
while (screen.scrollcnt < 0) {
ansi_cmd(ANSI_CMD_SR);
screen.scrollcnt++;
}
}
if (screen.scrollcnt > 0) {
move_terminal_cursor(0, screen.lines - 1);
while (screen.scrollcnt > 0) {
terminal_putchar('\n');
screen.scrollcnt--;
}
}
for (int i = 0; i < screen.lines; i++) {
screen_line_t *sl = get_screen_line(i);
sl->data[sl->len] = '\0';
int width = screen_display_width((char *) sl->data, true);
if (sl->modified) {
sl->modified = false;
move_terminal_cursor(0, i);
screen_write_cached(sl->data, sl->len);
screen.tc_col = width;
if (screen.tc_col >= screen.columns) {
screen.tc_col -= screen.columns;
screen.tc_line++;
if (screen.tc_line >= screen.lines)
screen.tc_line = screen.lines - 1;
}
}
if (sl->old_width > width) {
move_terminal_cursor(width, i);
ansi_cmd(ANSI_CMD_CE);
}
sl->old_width = width;
}
move_terminal_cursor(screen.cur_col, screen.cur_ln);
terminal_flush();
}
void tui_update_status_line(void)
{
extern time_t login_start_time; //main.c
char date[STRLEN];
screen_move_clear(-1);
if (!DEFINE(DEF_ENDLINE))
return;
fb_time_t now = fb_time();
int cur_sec = now % 10;
if (cur_sec < 5) {
strlcpy(date, format_time(now, TIME_FORMAT_UTF8_ZH), sizeof(date));
} else {
if (resolve_boards() >= 0)
convert_g2u(brdshm->date, date);
else
date[0] = '\0';
}
if (cur_sec >= 5 && is_birth(¤tuser)) {
screen_printf("\033[0;1;33;44m[\033[36m "
"啦啦～～生日快乐！记得要请客哟 :P"
" \033[33m]\033[m");
} else {
int stay = (now - login_start_time) / 60;
char stay_str[20];
describe_stay(stay, stay_str, sizeof(stay_str));
char notice[128];
notice_string(notice, sizeof(notice));
int notice_width = screen_display_width(notice, true);
screen_printf("\033[1;44;33m[\033[36m%29s\033[33m]"
"[\033[36m%5d\033[33m人\033[36m%3d\033[33m友]",
date, session_count_online(),
session_count_online_followed(!HAS_PERM(PERM_SEECLOAK)));
// 剩下35列
if (notice_width) {
int space = 33 - notice_width;
if (space > 0)
tui_repeat_char(' ', space);
screen_printf("[\033[%d;36m%s\033[m\033[1;33;44m]\033[m",
_suppress_notice ? 1 : 5, notice);
} else {
int space = 27 - strlen(currentuser.userid);
tui_repeat_char(' ', space);
prints("[\033[36m%s\033[33m]%s\033[m", currentuser.userid,
stay_str);
}
}
}
void tui_header_line(const char *menu, bool check_mail)
{
extern int mailXX; //main.c
char title[36];
if (check_mail && chkmail())
strlcpy(title, strstr(menu, "讨论区列表") ? "[您有信件，按 M 看新信]"
: "[您有信件]", sizeof(title));
else if (check_mail && mailXX == 1)
strlcpy(title, "[信件过量，请整理信件!]", sizeof(title));
else
strlcpy(title, BBSNAME_UTF8, sizeof(title));
bool show_board = true;
int w1 = screen_display_width(menu, true),
w2 = screen_display_width(title, true),
w3 = screen_display_width(currboard, true) + 2;
int spaces = 80 - w1 - w2 - w3;
if (spaces < 0) {
spaces = 80 - w1 - w2;
show_board = false;
}
screen_move_clear(0);
screen_printf("\033[1;33;44m%s", menu);
if (spaces > 0)
tui_repeat_char(' ', spaces / 2);
if (streq(title, BBSNAME_UTF8))
screen_printf("\033[37m%s", title);
else if (title[0] == '[')
screen_printf("\033[5;36m%s\033[0;1;44m", title);
else
screen_printf("\033[36m%s", title);
if (spaces > 0)
tui_repeat_char(' ', spaces - spaces / 2);
if (show_board)
screen_printf("\033[33m[%s]\033[m", currboard);
tui_update_status_line();
screen_move(1, 0);
}
static void notice_string(char *buf, size_t size)
{
*buf = '\0';
int replies, mentions;
notice_count(&replies, &mentions);
bool empty = !(replies || mentions);
if (!empty) {
char **dst = &buf;
if (replies > 0) {
char str[24];
snprintf(str, sizeof(str), "%d篇回复", replies);
strappend(dst, &size, str);
}
if (mentions > 0) {
char str[24];
snprintf(str, sizeof(str), "%d篇提及", mentions);
strappend(dst, &size, str);
}
if (!_suppress_notice && screen_display_width(buf, true) <= 24)
strappend(dst, &size, " 按^T查看");
}
}
static int _tui_input(int line, int col, const char *prompt, char *buf,
int len, int echo, int clear, bool utf8)
{
extern int RMSG;
extern int msg_num;
if (clear)
buf[0] = '\0';
buf[len - 1] = '\0';
int real_x = prompt ? screen_display_width(prompt, utf8) : 0;
int cur, clen;
cur = clen = strlen(buf);
bool inited = screen_inited(), prompted = false;
while (1) {
if (inited || !prompted) {
screen_move(line, col);
clrtoeol();
if (prompt) {
if (utf8)
screen_printf("%s", prompt);
else
prints("%s", prompt);
}
prompted = true;
}
if (inited) {
if (echo)
prints("%s", buf);
else
tui_repeat_char('*', clen);
screen_move(line, real_x + cur);
}
if (RMSG)
screen_flush();
int ch = terminal_getchar();
if (RMSG && msg_num == 0) {
if (ch == Ctrl('Z') || ch == KEY_UP) {
buf[0] = Ctrl('Z');
clen = 1;
break;
}
if (ch == Ctrl('A') || ch == KEY_DOWN) {
buf[0] = Ctrl('A');
clen = 1;
break;
}
}
if (ch == '\n' || ch == '\r')
break;
if (!inited) {
if (ch == '\x7f' || ch == Ctrl('H')) {
int dec = remove_character(buf, &cur, clen, true);
if (dec) {
clen -= dec;
screen_puts("\x8 \x8", 3);
}
} else if (isprint2(ch) && clen < len - 1) {
buf[cur] = ch;
buf[++cur] = '\0';
++clen;
screen_putc(echo ? ch : '*');
}
continue;
}
if (ch == '\x7f' || ch == Ctrl('H')) {
clen -= remove_character(buf, &cur, clen, true);
} else if (ch == KEY_DEL) {
clen -= remove_character(buf, &cur, clen, false);
} else if (ch == KEY_LEFT) {
if (cur > 0)
--cur;
} else if (ch == KEY_RIGHT) {
if (cur < clen)
++cur;
} else if (ch == Ctrl('E') || ch == KEY_END) {
cur = clen;
} else if (ch == Ctrl('A') || ch == KEY_HOME) {
cur = 0;
} else if (isprint2(ch) && clen < len - 1) {
if (buf[cur] != '\0')
memmove(buf + cur + 1, buf + cur, clen - cur);
buf[cur++] = ch;
buf[++clen] = '\0';
}
}
screen_putc('\n');
screen_flush();
return clen;
}
