diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses/demos/tui.c')
-rw-r--r-- | payloads/libpayload/curses/PDCurses/demos/tui.c | 821 |
1 files changed, 821 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses/demos/tui.c b/payloads/libpayload/curses/PDCurses/demos/tui.c new file mode 100644 index 0000000000..62e0d53767 --- /dev/null +++ b/payloads/libpayload/curses/PDCurses/demos/tui.c @@ -0,0 +1,821 @@ +/********************************* tui.c ************************************/ +/* + * 'textual user interface' + * + * $Id: tui.c,v 1.34 2008/07/14 12:35:23 wmcbrine Exp $ + * + * Author : P.J. Kunst <kunst@prl.philips.nl> + * Date : 25-02-93 + */ + +#include <ctype.h> +#include <curses.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include "tui.h" + +void statusmsg(char *); +int waitforkey(void); +void rmerror(void); + +#if defined(__unix) && !defined(__DJGPP__) +#include <unistd.h> +#endif + +#ifdef A_COLOR +# define TITLECOLOR 1 /* color pair indices */ +# define MAINMENUCOLOR (2 | A_BOLD) +# define MAINMENUREVCOLOR (3 | A_BOLD | A_REVERSE) +# define SUBMENUCOLOR (4 | A_BOLD) +# define SUBMENUREVCOLOR (5 | A_BOLD | A_REVERSE) +# define BODYCOLOR 6 +# define STATUSCOLOR (7 | A_BOLD) +# define INPUTBOXCOLOR 8 +# define EDITBOXCOLOR (9 | A_BOLD | A_REVERSE) +#else +# define TITLECOLOR 0 /* color pair indices */ +# define MAINMENUCOLOR (A_BOLD) +# define MAINMENUREVCOLOR (A_BOLD | A_REVERSE) +# define SUBMENUCOLOR (A_BOLD) +# define SUBMENUREVCOLOR (A_BOLD | A_REVERSE) +# define BODYCOLOR 0 +# define STATUSCOLOR (A_BOLD) +# define INPUTBOXCOLOR 0 +# define EDITBOXCOLOR (A_BOLD | A_REVERSE) +#endif + + +#define th 1 /* title window height */ +#define mh 1 /* main menu height */ +#define sh 2 /* status window height */ +#define bh (LINES - th - mh - sh) /* body window height */ +#define bw COLS /* body window width */ + + +/******************************* STATIC ************************************/ + +static WINDOW *wtitl, *wmain, *wbody, *wstat; /* title, menu, body, status win*/ +static int nexty, nextx; +static int key = ERR, ch = ERR; +static bool quit = FALSE; +static bool incurses = FALSE; + +#ifndef PDCURSES +static char wordchar(void) +{ + return 0x17; /* ^W */ +} +#endif + +static char *padstr(char *s, int length) +{ + static char buf[MAXSTRLEN]; + char fmt[10]; + + sprintf(fmt, (int)strlen(s) > length ? "%%.%ds" : "%%-%ds", length); + sprintf(buf, fmt, s); + + return buf; +} + +static char *prepad(char *s, int length) +{ + int i; + char *p = s; + + if (length > 0) + { + memmove((void *)(s + length), (const void *)s, strlen(s) + 1); + + for (i = 0; i < length; i++) + *p++ = ' '; + } + + return s; +} + +static void rmline(WINDOW *win, int nr) /* keeps box lines intact */ +{ + mvwaddstr(win, nr, 1, padstr(" ", bw - 2)); + wrefresh(win); +} + +static void initcolor(void) +{ +#ifdef A_COLOR + if (has_colors()) + start_color(); + + /* foreground, background */ + + init_pair(TITLECOLOR & ~A_ATTR, COLOR_BLACK, COLOR_CYAN); + init_pair(MAINMENUCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_CYAN); + init_pair(MAINMENUREVCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_BLACK); + init_pair(SUBMENUCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_CYAN); + init_pair(SUBMENUREVCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_BLACK); + init_pair(BODYCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_BLUE); + init_pair(STATUSCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_CYAN); + init_pair(INPUTBOXCOLOR & ~A_ATTR, COLOR_BLACK, COLOR_CYAN); + init_pair(EDITBOXCOLOR & ~A_ATTR, COLOR_WHITE, COLOR_BLACK); +#endif +} + +static void setcolor(WINDOW *win, chtype color) +{ + chtype attr = color & A_ATTR; /* extract Bold, Reverse, Blink bits */ + +#ifdef A_COLOR + attr &= ~A_REVERSE; /* ignore reverse, use colors instead! */ + wattrset(win, COLOR_PAIR(color & A_CHARTEXT) | attr); +#else + attr &= ~A_BOLD; /* ignore bold, gives messy display on HP-UX */ + wattrset(win, attr); +#endif +} + +static void colorbox(WINDOW *win, chtype color, int hasbox) +{ + int maxy; +#ifndef PDCURSES + int maxx; +#endif + chtype attr = color & A_ATTR; /* extract Bold, Reverse, Blink bits */ + + setcolor(win, color); + +#ifdef A_COLOR + if (has_colors()) + wbkgd(win, COLOR_PAIR(color & A_CHARTEXT) | (attr & ~A_REVERSE)); + else +#endif + wbkgd(win, attr); + + werase(win); + +#ifdef PDCURSES + maxy = getmaxy(win); +#else + getmaxyx(win, maxy, maxx); +#endif + if (hasbox && (maxy > 2)) + box(win, 0, 0); + + touchwin(win); + wrefresh(win); +} + +static void idle(void) +{ + char buf[MAXSTRLEN]; + time_t t; + struct tm *tp; + + if (time (&t) == -1) + return; /* time not available */ + + tp = localtime(&t); + sprintf(buf, " %.2d-%.2d-%.4d %.2d:%.2d:%.2d", + tp->tm_mday, tp->tm_mon + 1, tp->tm_year + 1900, + tp->tm_hour, tp->tm_min, tp->tm_sec); + + mvwaddstr(wtitl, 0, bw - strlen(buf) - 2, buf); + wrefresh(wtitl); +} + +static void menudim(menu *mp, int *lines, int *columns) +{ + int n, l, mmax = 0; + + for (n=0; mp->func; n++, mp++) + if ((l = strlen(mp->name)) > mmax) mmax = l; + + *lines = n; + *columns = mmax + 2; +} + +static void setmenupos(int y, int x) +{ + nexty = y; + nextx = x; +} + +static void getmenupos(int *y, int *x) +{ + *y = nexty; + *x = nextx; +} + +static int hotkey(const char *s) +{ + int c0 = *s; /* if no upper case found, return first char */ + + for (; *s; s++) + if (isupper((unsigned char)*s)) + break; + + return *s ? *s : c0; +} + +static void repaintmenu(WINDOW *wmenu, menu *mp) +{ + int i; + menu *p = mp; + + for (i = 0; p->func; i++, p++) + mvwaddstr(wmenu, i + 1, 2, p->name); + + touchwin(wmenu); + wrefresh(wmenu); +} + +static void repaintmainmenu(int width, menu *mp) +{ + int i; + menu *p = mp; + + for (i = 0; p->func; i++, p++) + mvwaddstr(wmain, 0, i * width, prepad(padstr(p->name, width - 1), 1)); + + touchwin(wmain); + wrefresh(wmain); +} + +static void mainhelp(void) +{ +#ifdef ALT_X + statusmsg("Use arrow keys and Enter to select (Alt-X to quit)"); +#else + statusmsg("Use arrow keys and Enter to select"); +#endif +} + +static void mainmenu(menu *mp) +{ + int nitems, barlen, old = -1, cur = 0, c, cur0; + + menudim(mp, &nitems, &barlen); + repaintmainmenu(barlen, mp); + + while (!quit) + { + if (cur != old) + { + if (old != -1) + { + mvwaddstr(wmain, 0, old * barlen, + prepad(padstr(mp[old].name, barlen - 1), 1)); + + statusmsg(mp[cur].desc); + } + else + mainhelp(); + + setcolor(wmain, MAINMENUREVCOLOR); + + mvwaddstr(wmain, 0, cur * barlen, + prepad(padstr(mp[cur].name, barlen - 1), 1)); + + setcolor(wmain, MAINMENUCOLOR); + old = cur; + wrefresh(wmain); + } + + switch (c = (key != ERR ? key : waitforkey())) + { + case KEY_DOWN: + case '\n': /* menu item selected */ + touchwin(wbody); + wrefresh(wbody); + rmerror(); + setmenupos(th + mh, cur * barlen); + curs_set(1); + (mp[cur].func)(); /* perform function */ + curs_set(0); + + switch (key) + { + case KEY_LEFT: + cur = (cur + nitems - 1) % nitems; + key = '\n'; + break; + + case KEY_RIGHT: + cur = (cur + 1) % nitems; + key = '\n'; + break; + + default: + key = ERR; + } + + repaintmainmenu(barlen, mp); + old = -1; + break; + + case KEY_LEFT: + cur = (cur + nitems - 1) % nitems; + break; + + case KEY_RIGHT: + cur = (cur + 1) % nitems; + break; + + case KEY_ESC: + mainhelp(); + break; + + default: + cur0 = cur; + + do + { + cur = (cur + 1) % nitems; + + } while ((cur != cur0) && (hotkey(mp[cur].name) != toupper(c))); + + if (hotkey(mp[cur].name) == toupper(c)) + key = '\n'; + } + + } + + rmerror(); + touchwin(wbody); + wrefresh(wbody); +} + +static void cleanup(void) /* cleanup curses settings */ +{ + if (incurses) + { + delwin(wtitl); + delwin(wmain); + delwin(wbody); + delwin(wstat); + curs_set(1); + endwin(); + incurses = FALSE; + } +} + + +/******************************* EXTERNAL **********************************/ + +void clsbody(void) +{ + werase(wbody); + wmove(wbody, 0, 0); +} + +int bodylen(void) +{ +#ifdef PDCURSES + return getmaxy(wbody); +#else + int maxy, maxx; + + getmaxyx(wbody, maxy, maxx); + return maxy; +#endif +} + +WINDOW *bodywin(void) +{ + return wbody; +} + +void rmerror(void) +{ + rmline(wstat, 0); +} + +void rmstatus(void) +{ + rmline(wstat, 1); +} + +void titlemsg(char *msg) +{ + mvwaddstr(wtitl, 0, 2, padstr(msg, bw - 3)); + wrefresh(wtitl); +} + +void bodymsg(char *msg) +{ + waddstr(wbody, msg); + wrefresh(wbody); +} + +void errormsg(char *msg) +{ + beep(); + mvwaddstr(wstat, 0, 2, padstr(msg, bw - 3)); + wrefresh(wstat); +} + +void statusmsg(char *msg) +{ + mvwaddstr(wstat, 1, 2, padstr(msg, bw - 3)); + wrefresh(wstat); +} + +bool keypressed(void) +{ + ch = wgetch(wbody); + + return ch != ERR; +} + +int getkey(void) +{ + int c = ch; + + ch = ERR; +#ifdef ALT_X + quit = (c == ALT_X); /* PC only ! */ +#endif + return c; +} + +int waitforkey(void) +{ + do idle(); while (!keypressed()); + return getkey(); +} + +void DoExit(void) /* terminate program */ +{ + quit = TRUE; +} + +void domenu(menu *mp) +{ + int y, x, nitems, barlen, mheight, mw, old = -1, cur = 0, cur0; + bool stop = FALSE; + WINDOW *wmenu; + + curs_set(0); + getmenupos(&y, &x); + menudim(mp, &nitems, &barlen); + mheight = nitems + 2; + mw = barlen + 2; + wmenu = newwin(mheight, mw, y, x); + colorbox(wmenu, SUBMENUCOLOR, 1); + repaintmenu(wmenu, mp); + + key = ERR; + + while (!stop && !quit) + { + if (cur != old) + { + if (old != -1) + mvwaddstr(wmenu, old + 1, 1, + prepad(padstr(mp[old].name, barlen - 1), 1)); + + setcolor(wmenu, SUBMENUREVCOLOR); + mvwaddstr(wmenu, cur + 1, 1, + prepad(padstr(mp[cur].name, barlen - 1), 1)); + + setcolor(wmenu, SUBMENUCOLOR); + statusmsg(mp[cur].desc); + + old = cur; + wrefresh(wmenu); + } + + switch (key = ((key != ERR) ? key : waitforkey())) + { + case '\n': /* menu item selected */ + touchwin(wbody); + wrefresh(wbody); + setmenupos(y + 1, x + 1); + rmerror(); + + key = ERR; + curs_set(1); + (mp[cur].func)(); /* perform function */ + curs_set(0); + + repaintmenu(wmenu, mp); + + old = -1; + break; + + case KEY_UP: + cur = (cur + nitems - 1) % nitems; + key = ERR; + break; + + case KEY_DOWN: + cur = (cur + 1) % nitems; + key = ERR; + break; + + case KEY_ESC: + case KEY_LEFT: + case KEY_RIGHT: + if (key == KEY_ESC) + key = ERR; /* return to prev submenu */ + + stop = TRUE; + break; + + default: + cur0 = cur; + + do + { + cur = (cur + 1) % nitems; + + } while ((cur != cur0) && + (hotkey(mp[cur].name) != toupper((int)key))); + + key = (hotkey(mp[cur].name) == toupper((int)key)) ? '\n' : ERR; + } + + } + + rmerror(); + delwin(wmenu); + touchwin(wbody); + wrefresh(wbody); +} + +void startmenu(menu *mp, char *mtitle) +{ + initscr(); + incurses = TRUE; + initcolor(); + + wtitl = subwin(stdscr, th, bw, 0, 0); + wmain = subwin(stdscr, mh, bw, th, 0); + wbody = subwin(stdscr, bh, bw, th + mh, 0); + wstat = subwin(stdscr, sh, bw, th + mh + bh, 0); + + colorbox(wtitl, TITLECOLOR, 0); + colorbox(wmain, MAINMENUCOLOR, 0); + colorbox(wbody, BODYCOLOR, 0); + colorbox(wstat, STATUSCOLOR, 0); + + if (mtitle) + titlemsg(mtitle); + + cbreak(); /* direct input (no newline required)... */ + noecho(); /* ... without echoing */ + curs_set(0); /* hide cursor (if possible) */ + nodelay(wbody, TRUE); /* don't wait for input... */ + halfdelay(10); /* ...well, no more than a second, anyway */ + keypad(wbody, TRUE); /* enable cursor keys */ + scrollok(wbody, TRUE); /* enable scrolling in main window */ + + leaveok(stdscr, TRUE); + leaveok(wtitl, TRUE); + leaveok(wmain, TRUE); + leaveok(wstat, TRUE); + + mainmenu(mp); + + cleanup(); +} + +static void repainteditbox(WINDOW *win, int x, char *buf) +{ +#ifndef PDCURSES + int maxy; +#endif + int maxx; + +#ifdef PDCURSES + maxx = getmaxx(win); +#else + getmaxyx(win, maxy, maxx); +#endif + werase(win); + mvwprintw(win, 0, 0, "%s", padstr(buf, maxx)); + wmove(win, 0, x); + wrefresh(win); +} + +/* + + weditstr() - edit string + + Description: + The initial value of 'str' with a maximum length of 'field' - 1, + which is supplied by the calling routine, is editted. The user's + erase (^H), kill (^U) and delete word (^W) chars are interpreted. + The PC insert or Tab keys toggle between insert and edit mode. + Escape aborts the edit session, leaving 'str' unchanged. + Enter, Up or Down Arrow are used to accept the changes to 'str'. + NOTE: editstr(), mveditstr(), and mvweditstr() are macros. + + Return Value: + Returns the input terminating character on success (Escape, + Enter, Up or Down Arrow) and ERR on error. + + Errors: + It is an error to call this function with a NULL window pointer. + The length of the initial 'str' must not exceed 'field' - 1. + +*/ + +int weditstr(WINDOW *win, char *buf, int field) +{ + char org[MAXSTRLEN], *tp, *bp = buf; + bool defdisp = TRUE, stop = FALSE, insert = FALSE; + int cury, curx, begy, begx, oldattr; + WINDOW *wedit; + int c = 0; + + if ((field >= MAXSTRLEN) || (buf == NULL) || + ((int)strlen(buf) > field - 1)) + return ERR; + + strcpy(org, buf); /* save original */ + + wrefresh(win); + getyx(win, cury, curx); + getbegyx(win, begy, begx); + + wedit = subwin(win, 1, field, begy + cury, begx + curx); + oldattr = wedit->_attrs; + colorbox(wedit, EDITBOXCOLOR, 0); + + keypad(wedit, TRUE); + curs_set(1); + + while (!stop) + { + idle(); + repainteditbox(wedit, bp - buf, buf); + + switch (c = wgetch(wedit)) + { + case ERR: + break; + + case KEY_ESC: + strcpy(buf, org); /* restore original */ + stop = TRUE; + break; + + case '\n': + case KEY_UP: + case KEY_DOWN: + stop = TRUE; + break; + + case KEY_LEFT: + if (bp > buf) + bp--; + break; + + case KEY_RIGHT: + defdisp = FALSE; + if (bp - buf < (int)strlen(buf)) + bp++; + break; + + case '\t': /* TAB -- because insert + is broken on HPUX */ + case KEY_IC: /* enter insert mode */ + case KEY_EIC: /* exit insert mode */ + defdisp = FALSE; + insert = !insert; + + curs_set(insert ? 2 : 1); + break; + + default: + if (c == erasechar()) /* backspace, ^H */ + { + if (bp > buf) + { + memmove((void *)(bp - 1), (const void *)bp, strlen(bp) + 1); + bp--; + } + } + else if (c == killchar()) /* ^U */ + { + bp = buf; + *bp = '\0'; + } + else if (c == wordchar()) /* ^W */ + { + tp = bp; + + while ((bp > buf) && (*(bp - 1) == ' ')) + bp--; + while ((bp > buf) && (*(bp - 1) != ' ')) + bp--; + + memmove((void *)bp, (const void *)tp, strlen(tp) + 1); + } + else if (isprint(c)) + { + if (defdisp) + { + bp = buf; + *bp = '\0'; + defdisp = FALSE; + } + + if (insert) + { + if ((int)strlen(buf) < field - 1) + { + memmove((void *)(bp + 1), (const void *)bp, + strlen(bp) + 1); + + *bp++ = c; + } + } + else if (bp - buf < field - 1) + { + /* append new string terminator */ + + if (!*bp) + bp[1] = '\0'; + + *bp++ = c; + } + } + } + } + + curs_set(0); + + wattrset(wedit, oldattr); + repainteditbox(wedit, bp - buf, buf); + delwin(wedit); + + return c; +} + +WINDOW *winputbox(WINDOW *win, int nlines, int ncols) +{ + WINDOW *winp; + int cury, curx, begy, begx; + + getyx(win, cury, curx); + getbegyx(win, begy, begx); + + winp = newwin(nlines, ncols, begy + cury, begx + curx); + colorbox(winp, INPUTBOXCOLOR, 1); + + return winp; +} + +int getstrings(char *desc[], char *buf[], int field) +{ + WINDOW *winput; + int oldy, oldx, maxy, maxx, nlines, ncols, i, n, l, mmax = 0; + int c = 0; + bool stop = FALSE; + + for (n = 0; desc[n]; n++) + if ((l = strlen(desc[n])) > mmax) + mmax = l; + + nlines = n + 2; ncols = mmax + field + 4; + getyx(wbody, oldy, oldx); + getmaxyx(wbody, maxy, maxx); + + winput = mvwinputbox(wbody, (maxy - nlines) / 2, (maxx - ncols) / 2, + nlines, ncols); + + for (i = 0; i < n; i++) + mvwprintw(winput, i + 1, 2, "%s", desc[i]); + + i = 0; + + while (!stop) + { + switch (c = mvweditstr(winput, i+1, mmax+3, buf[i], field)) + { + case KEY_ESC: + stop = TRUE; + break; + + case KEY_UP: + i = (i + n - 1) % n; + break; + + case '\n': + case '\t': + case KEY_DOWN: + if (++i == n) + stop = TRUE; /* all passed? */ + } + } + + delwin(winput); + touchwin(wbody); + wmove(wbody, oldy, oldx); + wrefresh(wbody); + + return c; +} |