--- lbbs/src/screen.c 2005/04/08 11:11:11 1.15 +++ lbbs/src/screen.c 2025/04/29 03:39:04 1.22 @@ -1,9 +1,9 @@ /*************************************************************************** - screen.c - description - ------------------- - begin : Mon Oct 18 2004 - copyright : (C) 2004 by Leaflet - email : leaflet@leafok.com + screen.c - description + ------------------- + begin : Mon Oct 18 2004 + copyright : (C) 2004 by Leaflet + email : leaflet@leafok.com ***************************************************************************/ /*************************************************************************** @@ -22,451 +22,462 @@ #include #include -#define ACTIVE_BOARD_HEIGHT 8 +#define ACTIVE_BOARD_HEIGHT 8 int screen_lines = 24; -void -moveto (int row, int col) +void moveto(int row, int col) { - if (row >= 0) - { - prints ("\033[%d;%dH", row, col); - } - else - { - prints ("\r"); - } - iflush (); + if (row >= 0) + { + prints("\033[%d;%dH", row, col); + } + else + { + prints("\r"); + } + iflush(); } -void -clrtoeol () +void clrtoeol() { - prints ("\033[K"); - iflush (); + prints("\033[K"); + iflush(); } -void -clrline (int line_begin, int line_end) +void clrline(int line_begin, int line_end) { - int i; + int i; - for (i = line_begin; i <= line_end; i++) - { - moveto (i, 0); - prints ("\033[K"); - } + for (i = line_begin; i <= line_end; i++) + { + moveto(i, 0); + prints("\033[K"); + } - iflush (); + iflush(); } -void -clearscr () +void clrtobot(int line_begin) { - prints ("\33[2J"); - moveto (0, 0); - iflush (); + clrline(line_begin, screen_lines); + moveto(line_begin, 0); } -int -press_any_key () +void clearscr() { - moveto (screen_lines, 0); - clrtoeol (); - - prints (" \033[1;33m按任意键继续...\033[0;37m"); - iflush (); - - return igetch_t (60); + prints("\33[2J"); + moveto(0, 0); + iflush(); } -void -set_input_echo (int echo) +int press_any_key() { - if (echo) - { - outc ('\x83'); // ASCII code 131 - iflush (); - } - else - { -// outc ('\x85'); // ASCII code 133 - prints ("\xff\xfb\x01\xff\xfb\x03"); - iflush (); - igetch_t (60); - igetch_t (60); - } -} + moveto(screen_lines, 0); + clrtoeol(); -int -str_input (char *buffer, int buffer_length, int echo_mode) -{ - char buf[256], ch; - int c, offset = 0, len, loop = 1, i, hz = 0; + prints(" \033[1;33m按任意键继续...\033[0;37m"); + iflush(); - memset (buffer, '\0', buffer_length); + return igetch_t(60); +} - while (c = igetch_t (60)) - { - if (c == KEY_NULL || c == KEY_TIMEOUT || c == CR) - break; - if (c == LF) - continue; - if (c == BACKSPACE) - { - if (offset > 0) - { - buffer[--offset] = '\0'; - prints ("\b \b"); -// clrtoeol (); - iflush (); - } - continue; - } - if (c > 255 || iscntrl (c)) - { - continue; - } - if (c > 127 && c <= 255) +void set_input_echo(int echo) +{ + if (echo) { - hz = (!hz); + outc('\x83'); // ASCII code 131 + iflush(); } - if (offset >= buffer_length) + else { - outc ('\a'); - continue; + // outc ('\x85'); // ASCII code 133 + prints("\xff\xfb\x01\xff\xfb\x03"); + iflush(); + igetch_t(60); + igetch_t(60); } - buffer[offset++] = (char) c; - buffer[offset] = '\0'; - switch (echo_mode) +} + +int _str_input(char *buffer, int buffer_length, int echo_mode) +{ + char buf[256], ch; + int c, offset = 0, len, loop = 1, i, hz = 0; + + for (i = 0; i < buffer_length && buffer[i] != '\0'; i++) { - case 0: - outc ((char) c); - break; - case 1: - outc ('*'); - break; + offset++; } - if (!hz) + + while (c = igetch_t(60)) { - iflush (); + if (c == KEY_NULL || c == KEY_TIMEOUT || c == CR) + { + break; + } + if (c == LF) + { + continue; + } + if (c == BACKSPACE) + { + if (offset > 0) + { + buffer[--offset] = '\0'; + prints("\b \b"); + // clrtoeol (); + iflush(); + } + continue; + } + if (c > 255 || iscntrl(c)) + { + continue; + } + if (c > 127 && c <= 255) + { + hz = (!hz); + } + if (offset >= buffer_length) + { + outc('\a'); + continue; + } + buffer[offset++] = (char)c; + buffer[offset] = '\0'; + switch (echo_mode) + { + case DOECHO: + outc((char)c); + break; + case NOECHO: + outc('*'); + break; + } + if (!hz) + { + iflush(); + } } - } - prints ("\r\n"); - iflush (); + prints("\r\n"); + iflush(); - return offset; + return offset; } -int -get_data (int row, int col, char *prompt, char *buffer, int buffer_length, int echo_mode) +int str_input(char *buffer, int buffer_length, int echo_mode) { - int len; + int offset; - moveto (row, col); - iflush (); - prints (prompt); - prints (buffer); - iflush (); + memset(buffer, '\0', buffer_length); - len = str_input (buffer, buffer_length, echo_mode); - - return len; -} + offset = _str_input(buffer, buffer_length, echo_mode); -int -display_file (const char *filename) + return offset; +}; + +int get_data(int row, int col, char *prompt, char *buffer, int buffer_length, int echo_mode) { - char buffer[260]; - FILE *fin; - int i; + int len; - if ((fin = fopen (filename, "r")) == NULL) - { - return -1; - } + moveto(row, col); + iflush(); + prints(prompt); + prints(buffer); + iflush(); - while (fgets (buffer, 255, fin)) - { - i = strlen (buffer); - if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') - { - buffer[i - 1] = '\r'; - buffer[i] = '\n'; - buffer[i + 1] = '\0'; - } - prints (buffer); - iflush (); - } - fclose (fin); + len = _str_input(buffer, buffer_length, echo_mode); - return 0; + return len; } -int -display_file_ex (const char *filename, int begin_line, int wait) +int display_file(const char *filename) { - char buffer[260], temp[256]; - int i, ch, input_ok; - long int line, c_line_begin = 0, c_line_total = 0; - long int f_line, f_size, f_offset; - FILE *fin; - struct stat f_stat; + char buffer[260]; + FILE *fin; + int i; - clrline (begin_line, screen_lines); - line = begin_line; - moveto (line, 0); + if ((fin = fopen(filename, "r")) == NULL) + { + return -1; + } - if ((fin = fopen (filename, "r")) != NULL) - { - if (fstat (fileno (fin), &f_stat) != 0) + while (fgets(buffer, 255, fin)) { - log_error ("Get file stat failed\n"); - return -1; + i = strlen(buffer); + if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') + { + buffer[i - 1] = '\r'; + buffer[i] = '\n'; + buffer[i + 1] = '\0'; + } + prints(buffer); + iflush(); } - f_size = f_stat.st_size; + fclose(fin); + + return 0; +} + +int display_file_ex(const char *filename, int begin_line, int wait) +{ + char buffer[260], temp[256]; + int i, ch, input_ok, max_lines; + long int line, c_line_begin = 0, c_line_total = 0; + long int f_line, f_size, f_offset; + FILE *fin; + struct stat f_stat; - while (fgets (buffer, 255, fin)) - c_line_total++; - rewind (fin); + max_lines = screen_lines - 1; + clrline(begin_line, screen_lines); + line = begin_line; + moveto(line, 0); - while (fgets (buffer, 255, fin)) + if ((fin = fopen(filename, "r")) != NULL) { - if (line >= screen_lines) - { - f_offset = ftell (fin); + if (fstat(fileno(fin), &f_stat) != 0) + { + log_error("Get file stat failed\n"); + return -1; + } + f_size = f_stat.st_size; - moveto (screen_lines, 0); - prints - ("\033[1;44;32m下面还有喔 (%d%%)\033[33m │ 结束 ← │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", - (f_offset - strlen (buffer)) * 100 / f_size); - iflush (); + while (fgets(buffer, 255, fin)) + c_line_total++; + rewind(fin); - input_ok = 0; - while (!input_ok) + while (fgets(buffer, 255, fin)) { - ch = igetch_t (MAX_DELAY_TIME); - input_ok = 1; - switch (ch) - { - case KEY_UP: - c_line_begin--; - if (c_line_begin >= 0) - { - rewind (fin); - for (f_line = 0; f_line < c_line_begin; f_line++) - { - if (fgets (buffer, 255, fin) == NULL) - goto exit; - } - } - else + if (line >= max_lines) { - goto exit; - } - break; - case KEY_DOWN: - case CR: - c_line_begin++; - rewind (fin); - for (f_line = 0; f_line < c_line_begin; f_line++) - { - if (fgets (buffer, 255, fin) == NULL) - goto exit; - } - break; - case KEY_PGUP: - case Ctrl ('B'): - if (c_line_begin > 0) - c_line_begin -= (screen_lines - begin_line - 1); - else - goto exit; - if (c_line_begin < 0) - c_line_begin = 0; - rewind (fin); - for (f_line = 0; f_line < c_line_begin; f_line++) - { - if (fgets (buffer, 255, fin) == NULL) - goto exit; - } - break; - case KEY_RIGHT: - case KEY_PGDN: - case Ctrl ('F'): - case KEY_SPACE: - c_line_begin += (screen_lines - begin_line - 1); - if (c_line_begin + (screen_lines - begin_line) > - c_line_total) - c_line_begin = - c_line_total - (screen_lines - begin_line); - rewind (fin); - for (f_line = 0; f_line < c_line_begin; f_line++) - { - if (fgets (buffer, 255, fin) == NULL) - goto exit; + f_offset = ftell(fin); + + moveto(screen_lines, 0); + prints("\033[1;44;32m下面还有喔 (%d%%)\033[33m │ 结束 ← │ ↑/↓/PgUp/PgDn 移动 │ ? 辅助说明 │ \033[m", + (f_offset - strlen(buffer)) * 100 / f_size); + iflush(); + + input_ok = 0; + while (!input_ok) + { + ch = igetch_t(MAX_DELAY_TIME); + input_ok = 1; + switch (ch) + { + case KEY_UP: + c_line_begin--; + if (c_line_begin >= 0) + { + rewind(fin); + for (f_line = 0; f_line < c_line_begin; f_line++) + { + if (fgets(buffer, 255, fin) == NULL) + goto exit; + } + } + else + { + goto exit; + } + break; + case KEY_DOWN: + case CR: + c_line_begin++; + rewind(fin); + for (f_line = 0; f_line < c_line_begin; f_line++) + { + if (fgets(buffer, 255, fin) == NULL) + goto exit; + } + break; + case KEY_PGUP: + case Ctrl('B'): + if (c_line_begin > 0) + c_line_begin -= (max_lines - begin_line - 1); + else + goto exit; + if (c_line_begin < 0) + c_line_begin = 0; + rewind(fin); + for (f_line = 0; f_line < c_line_begin; f_line++) + { + if (fgets(buffer, 255, fin) == NULL) + goto exit; + } + break; + case KEY_RIGHT: + case KEY_PGDN: + case Ctrl('F'): + case KEY_SPACE: + c_line_begin += (max_lines - begin_line - 1); + if (c_line_begin + (max_lines - begin_line) > + c_line_total) + c_line_begin = + c_line_total - (max_lines - begin_line); + rewind(fin); + for (f_line = 0; f_line < c_line_begin; f_line++) + { + if (fgets(buffer, 255, fin) == NULL) + goto exit; + } + break; + case KEY_NULL: + case KEY_TIMEOUT: + case KEY_LEFT: + case 'q': + case 'Q': + goto exit; + break; + case '?': + case 'h': + case 'H': + // Display help information + strcpy(temp, app_home_dir); + strcat(temp, "data/read_help.txt"); + display_file_ex(temp, begin_line, 1); + + // Refresh after display help information + rewind(fin); + for (f_line = 0; f_line < c_line_begin; f_line++) + { + if (fgets(buffer, 255, fin) == NULL) + goto exit; + } + break; + default: + input_ok = 0; + break; + } + } + + clrline(begin_line, screen_lines); + line = begin_line; + moveto(line, 0); + + continue; } - break; - case KEY_NULL: - case KEY_TIMEOUT: - case KEY_LEFT: - case 'q': - case 'Q': - goto exit; - break; - case '?': - case 'h': - case 'H': - //Display help information - strcpy (temp, app_home_dir); - strcat (temp, "data/read_help.txt"); - display_file_ex (temp, begin_line, 1); - - //Refresh after display help information - rewind (fin); - for (f_line = 0; f_line < c_line_begin; f_line++) + + i = strlen(buffer); + if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') { - if (fgets (buffer, 255, fin) == NULL) - goto exit; + buffer[i - 1] = '\r'; + buffer[i] = '\n'; + buffer[i + 1] = '\0'; } - break; - default: - input_ok = 0; - break; - } - } + prints(buffer); + iflush(); - clrline (begin_line, screen_lines); - line = begin_line; - moveto (line, 0); - - continue; - } + line++; + } + if (wait) + ch = press_any_key(); + else + ch = 0; - i = strlen (buffer); - if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') - { - buffer[i - 1] = '\r'; - buffer[i] = '\n'; - buffer[i + 1] = '\0'; - } - prints (buffer); - iflush (); + exit: + fclose(fin); - line++; + return ch; } - if (wait) - ch = press_any_key (); - else - ch = 0; - - exit: - fclose (fin); - return ch; - } - - return -1; + return -1; } -int -show_top (char *status) +int show_top(char *status) { - char buffer[256]; + char buffer[256]; - str_space (buffer, 20 - strlen (BBS_current_section_name)); + str_space(buffer, 20 - strlen(BBS_current_section_name)); - moveto (1, 0); - prints ("\033[1;44;33m%-20s \033[37m%20s" - " %s\033[33m讨论区 [%s]\033[m", - status, BBS_name, buffer, BBS_current_section_name); - iflush (); + moveto(1, 0); + prints("\033[1;44;33m%-20s \033[37m%20s" + " %s\033[33m讨论区 [%s]\033[m", + status, BBS_name, buffer, BBS_current_section_name); + iflush(); - return 0; + return 0; } -int -show_bottom (char *msg) +int show_bottom(char *msg) { - char str_time[256], str_time_onine[20], buffer[256]; - time_t time_online; - struct tm *tm_online; + char str_time[256], str_time_onine[20], buffer[256]; + time_t time_online; + struct tm *tm_online; - get_time_str (str_time, 256); - str_space (buffer, 33 - strlen (BBS_username)); + get_time_str(str_time, 256); + str_space(buffer, 33 - strlen(BBS_username)); - time_online = time (0) - BBS_login_tm; - tm_online = gmtime (&time_online); + time_online = time(0) - BBS_login_tm; + tm_online = gmtime(&time_online); - moveto (screen_lines, 0); - prints ("\033[1;44;33m[\033[36m%s\033[33m]" - "%s帐号[\033[36m%s\033[33m]" - "[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m", - str_time, buffer, BBS_username, tm_online->tm_mday - 1, - tm_online->tm_hour, tm_online->tm_min); - iflush (); + moveto(screen_lines, 0); + prints("\033[1;44;33m[\033[36m%s\033[33m]" + "%s帐号[\033[36m%s\033[33m]" + "[\033[36m%1d\033[33m:\033[36m%2d\033[33m:\033[36m%2d\033[33m]\033[m", + str_time, buffer, BBS_username, tm_online->tm_mday - 1, + tm_online->tm_hour, tm_online->tm_min); + iflush(); - return 0; + return 0; } -int -show_active_board () +int show_active_board() { - char filename[256], buffer[260]; - FILE *fin; - int i, j; - static long int line; + char filename[256], buffer[260]; + FILE *fin; + int i, j; + static long int line; - sprintf (filename, "%sdata/active_board.txt", app_home_dir); + sprintf(filename, "%sdata/active_board.txt", app_home_dir); - clrline (3, 2 + ACTIVE_BOARD_HEIGHT); + clrline(3, 2 + ACTIVE_BOARD_HEIGHT); - moveto (3, 0); + moveto(3, 0); - if ((fin = fopen (filename, "r")) != NULL) - { - for (j = 0; j < line; j++) + if ((fin = fopen(filename, "r")) != NULL) { - if (fgets (buffer, 255, fin) == NULL) - { - line = 0; - rewind (fin); - break; - } - } - - for (j = 0; j < ACTIVE_BOARD_HEIGHT; j++) - { - if (fgets (buffer, 255, fin) == NULL) - { - line = 0; - if (j == 0) + for (j = 0; j < line; j++) { - rewind (fin); - if (fgets (buffer, 255, fin) == NULL) - { - break; - } + if (fgets(buffer, 255, fin) == NULL) + { + line = 0; + rewind(fin); + break; + } } - else + + for (j = 0; j < ACTIVE_BOARD_HEIGHT; j++) { - break; + if (fgets(buffer, 255, fin) == NULL) + { + line = 0; + if (j == 0) + { + rewind(fin); + if (fgets(buffer, 255, fin) == NULL) + { + break; + } + } + else + { + break; + } + } + line++; + i = strlen(buffer); + if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') + { + buffer[i - 1] = '\r'; + buffer[i] = '\n'; + buffer[i + 1] = '\0'; + } + prints(buffer); + iflush(); } - } - line++; - i = strlen (buffer); - if (buffer[i - 1] == '\n' && buffer[i - 2] != '\r') - { - buffer[i - 1] = '\r'; - buffer[i] = '\n'; - buffer[i + 1] = '\0'; - } - prints (buffer); - iflush (); + fclose(fin); } - fclose (fin); - } - return 0; + return 0; }