X-Git-Url: http://git.madism.org/?a=blobdiff_plain;f=demo%2Fboxshell.c;h=c8ef22aeae47d70ddf8e0c339361304b3c8a5190;hb=7a634f01490ab34dcddffdde5b5a3d5dd10f6de5;hp=4ce22574efd56d8292cdb677ac6b2b358ea21662;hpb=93c516d8991c4b6935fc03a24317ea0785e78a93;p=apps%2Fmadtty.git diff --git a/demo/boxshell.c b/demo/boxshell.c index 4ce2257..c8ef22a 100644 --- a/demo/boxshell.c +++ b/demo/boxshell.c @@ -2,119 +2,98 @@ * and lets the user interact with it. * * To compile: - * gcc -o boxshell boxshell.c $(rote-config --cflags --libs) + * gcc -o boxshell boxshell.c $(pkg-config madtty --cflags --libs) */ #include -#include -#include + #include +#include +#include +#include +#include +#include +#include + +#include static unsigned char getout = 0; -void sigchld(int signo) { getout = 1; } -int my_custom_handler(RoteTerm *rt, const char *es); - -int screen_w, screen_h; -WINDOW *term_win; - -int main() { - RoteTerm *rt; - int i, j, ch; - - signal(SIGCHLD, sigchld); - - initscr(); - noecho(); - start_color(); - raw(); - nodelay(stdscr, TRUE); /* prevents getch() from blocking; rather - * it will return ERR when there is no - * keypress available */ - - keypad(stdscr, TRUE); /* necessary to use rote_vt_keypress */ - getmaxyx(stdscr, screen_h, screen_w); - - /* initialize the color pairs the way rote_vt_draw expects it. You might - * initialize them differently, but in that case you would need - * to supply a custom conversion function for rote_vt_draw to - * call when setting attributes. The idea of this "default" mapping - * is to map (fg,bg) to the color pair bg * 8 + 7 - fg. This way, - * the pair (white,black) ends up mapped to 0, which means that - * it does not need a color pair (since it is the default). Since - * there are only 63 available color pairs (and 64 possible fg/bg - * combinations), we really have to save 1 pair by assigning no pair - * to the combination white/black. */ - for (i = 0; i < 8; i++) for (j = 0; j < 8; j++) - if (i != 7 || j != 0) - init_pair(j*8+7-i, i, j); - - /* paint the screen blue */ - attrset(COLOR_PAIR(32)); - for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' '); - refresh(); - - /* create a window with a frame */ - term_win = newwin(22,72,1,4); - wattrset(term_win, COLOR_PAIR(7*8+7-0)); /* black over white */ - wborder(term_win, 0, 0, 0, 0, 0, 0, 0, 0); - mvwprintw(term_win, 0, 27, " Term In a Box "); - wrefresh(term_win); - - /* create the terminal and have it run bash */ - rt = rote_vt_create(20, 70); - rote_vt_forkpty(rt, "/bin/bash --login"); - - /* add a sample custom escape sequence handler... say we want to handle - * the sequence, say, \e{N}, which will change the application's background - * color to N (where N is a number between 0 and 7). */ - rote_vt_install_handler(rt, my_custom_handler); - - /* keep reading keypresses from the user and passing them to the terminal; - * also, redraw the terminal to the window at each iteration */ - ch = '\0'; - while (!getout) { - rote_vt_draw(rt, term_win, 1, 1, NULL); - wrefresh(term_win); - - ch = getch(); - if (ch != ERR) - rote_vt_keypress(rt, ch); /* pass the keypress for handling */ - } - - endwin(); - return 0; +static int screen_w, screen_h; +static WINDOW *term_win; + +void handler(int signo) +{ + switch (signo) { + case SIGCHLD: + getout = 1; + break; + case SIGWINCH: + break; + } } - -int my_custom_handler(RoteTerm *rt, const char *es) { - int color; - int i, j; - - /* if the escape sequence does not begin with '{', we give up */ - if (*es != '{') return ROTE_HANDLERESULT_NOWAY; - - /* ok, now we know it begins with '{'. Now, if it does not end with '}', - * it is not yet complete */ - if (es[strlen(es)-1] != '}') return ROTE_HANDLERESULT_NOTYET; - - /* ok, the sequence is complete */ - color = atoi(es + 1); - if (color < 0 || color > 7) return false; /* don't recognize it */ - - /* paint the background with that color */ - attrset(COLOR_PAIR(color * 8)); - move(0, 0); - for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' '); - touchwin(stdscr); - refresh(); - - /* touch term_win to force it to do a full redraw next time */ - touchwin(term_win); - - /* and redraw the terminal window */ - wrefresh(term_win); - - /* escape sequence was handled ok */ - return ROTE_HANDLERESULT_OK; +int main(void) +{ + madtty_t *rt; + int dirty = 0; + + signal(SIGCHLD, handler); + signal(SIGWINCH, handler); + + madtty_initialize(); + getmaxyx(stdscr, screen_h, screen_w); + + /* create a window with a frame */ + term_win = newwin(screen_h - 2, screen_w - 2, 1, 1); + rt = madtty_create(screen_h - 2, screen_w - 2); + { + const char *path = getenv("SHELL") ?: "/bin/sh"; + const char *args[] = { path, "--login", NULL}; + + madtty_forkpty(rt, path, args); + } + + /* keep reading keypresses from the user and passing them to the terminal; + * also, redraw the terminal to the window at each iteration */ + while (!getout) { + fd_set rfds; + struct timeval tv = { 0, 1000 * 1000 / 50 }; + int ch; + + FD_ZERO(&rfds); + FD_SET(rt->pty, &rfds); + + if (select(rt->pty + 1, &rfds, NULL, NULL, &tv) > 0) { + if (FD_ISSET(rt->pty, &rfds)) { + madtty_process(rt); + dirty = 1; + } + } + + while ((ch = getch()) != ERR) { +#if 0 + if (ch == KEY_F(1)) { + struct winsize ws = { + .ws_row = --rt->rows, + .ws_col = --rt->cols, + }; + + erase(); + ioctl(rt->pty, TIOCSWINSZ, &ws); + wresize(term_win, rt->rows, rt->cols); + } +#endif + madtty_keypress(rt, ch); /* pass the keypress for handling */ + dirty = 1; + } + + if (dirty) { + madtty_draw(rt, term_win, 0, 0); + wrefresh(term_win); + dirty = 0; + } + } + + endwin(); + return 0; } -