mirror of https://github.com/mpv-player/mpv
286 lines
8.2 KiB
C
286 lines
8.2 KiB
C
/* GyS-TermIO v2.0 (for GySmail v3) (C) 1999 A'rpi/ESP-team */
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#include "config.h"
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//#define USE_TERMCAP
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#if !defined(__OS2__) && !defined(__MORPHOS__)
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#define USE_IOCTL
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#endif
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#define MAX_KEYS 64
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#define BUF_LEN 256
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#ifdef USE_IOCTL
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_TERMIOS
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#ifdef HAVE_TERMIOS_H
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#include <termios.h>
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#endif
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#ifdef HAVE_SYS_TERMIOS_H
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#include <sys/termios.h>
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#endif
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#endif
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#if defined(USE_LANGINFO) && defined(USE_ICONV)
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#include <locale.h>
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#include <langinfo.h>
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#endif
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#include <unistd.h>
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#include "mp_fifo.h"
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#include "keycodes.h"
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#ifdef HAVE_TERMIOS
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static struct termios tio_orig;
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#endif
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static int getch2_len=0;
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static char getch2_buf[BUF_LEN];
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int screen_width=80;
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int screen_height=24;
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char * erase_to_end_of_line = NULL;
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typedef struct {
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int len;
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int code;
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char chars[8];
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} keycode_st;
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static keycode_st getch2_keys[MAX_KEYS];
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static int getch2_key_db=0;
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#ifdef USE_TERMCAP
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#if 0
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#include <termcap.h>
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#else
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extern int tgetent (char *BUFFER, char *TERMTYPE);
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extern int tgetnum (char *NAME);
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extern int tgetflag (char *NAME);
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extern char *tgetstr (char *NAME, char **AREA);
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#endif
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static char term_buffer[4096];
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static char term_buffer2[4096];
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static char *term_p=term_buffer2;
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static void termcap_add(char *id,int code){
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char *p=tgetstr(id,&term_p);
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if(!p) return;
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if(getch2_key_db>=MAX_KEYS) return;
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getch2_keys[getch2_key_db].len=strlen(p);
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strncpy(getch2_keys[getch2_key_db].chars,p,8);
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getch2_keys[getch2_key_db].code=code;
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++getch2_key_db;
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/* printf("%s=%s\n",id,p); */
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}
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static int success=0;
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int load_termcap(char *termtype){
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if(!termtype) termtype=getenv("TERM");
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if(!termtype) termtype="unknown";
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success=tgetent(term_buffer, termtype);
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if(success<0){ printf("Could not access the 'termcap' data base.\n"); return 0; }
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if(success==0){ printf("Terminal type `%s' is not defined.\n", termtype);return 0;}
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screen_width=tgetnum("co");
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screen_height=tgetnum("li");
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if(screen_width<1 || screen_width>255) screen_width=80;
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if(screen_height<1 || screen_height>255) screen_height=24;
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erase_to_end_of_line= tgetstr("cd",&term_p);
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termcap_add("kP",KEY_PGUP);
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termcap_add("kN",KEY_PGDWN);
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termcap_add("kh",KEY_HOME);
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termcap_add("kH",KEY_END);
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termcap_add("kI",KEY_INS);
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termcap_add("kD",KEY_DEL);
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termcap_add("kb",KEY_BS);
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termcap_add("kl",KEY_LEFT);
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termcap_add("kd",KEY_DOWN);
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termcap_add("ku",KEY_UP);
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termcap_add("kr",KEY_RIGHT);
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termcap_add("k0",KEY_F+0);
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termcap_add("k1",KEY_F+1);
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termcap_add("k2",KEY_F+2);
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termcap_add("k3",KEY_F+3);
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termcap_add("k4",KEY_F+4);
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termcap_add("k5",KEY_F+5);
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termcap_add("k6",KEY_F+6);
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termcap_add("k7",KEY_F+7);
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termcap_add("k8",KEY_F+8);
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termcap_add("k9",KEY_F+9);
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termcap_add("k;",KEY_F+10);
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return getch2_key_db;
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}
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#endif
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void get_screen_size(void){
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#ifdef USE_IOCTL
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struct winsize ws;
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if (ioctl(0, TIOCGWINSZ, &ws) < 0 || !ws.ws_row || !ws.ws_col) return;
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/* printf("Using IOCTL\n"); */
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screen_width=ws.ws_col;
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screen_height=ws.ws_row;
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#endif
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}
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void getch2(void)
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{
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int retval = read(0, &getch2_buf[getch2_len], BUF_LEN-getch2_len);
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if (retval < 1)
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return;
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getch2_len += retval;
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while (getch2_len > 0 && (getch2_len > 1 || getch2_buf[0] != 27)) {
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int i, len, code;
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/* First find in the TERMCAP database: */
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for (i = 0; i < getch2_key_db; i++) {
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if ((len = getch2_keys[i].len) <= getch2_len)
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if(memcmp(getch2_keys[i].chars, getch2_buf, len) == 0) {
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code = getch2_keys[i].code;
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goto found;
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}
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}
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/* We always match some keypress here, with length 1 if nothing else.
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* Since some of the cases explicitly test remaining buffer length
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* having a keycode only partially read in the buffer could incorrectly
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* use the first byte as an independent character.
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* However the buffer is big enough that this shouldn't happen too
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* easily, and it's been this way for years without many complaints.
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* I see no simple fix as there's no easy test which would tell
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* whether a string must be part of a longer keycode. */
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len = 1;
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code = getch2_buf[0];
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/* Check the well-known codes... */
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if (code != 27) {
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if (code == 'A'-64) code = KEY_HOME;
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else if (code == 'E'-64) code = KEY_END;
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else if (code == 'D'-64) code = KEY_DEL;
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else if (code == 'H'-64) code = KEY_BS;
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else if (code == 'U'-64) code = KEY_PGUP;
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else if (code == 'V'-64) code = KEY_PGDWN;
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else if (code == 8 || code==127) code = KEY_BS;
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else if (code == 10 || code==13) {
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if (getch2_len > 1) {
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int c = getch2_buf[1];
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if ((c == 10 || c == 13) && (c != code))
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len = 2;
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}
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code = KEY_ENTER;
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}
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}
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else if (getch2_len > 1) {
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int c = getch2_buf[1];
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if (c == 27) {
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code = KEY_ESC;
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len = 2;
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goto found;
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}
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if (c >= '0' && c <= '9') {
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code = c-'0'+KEY_F;
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len = 2;
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goto found;
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}
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if (getch2_len >= 4 && c == '[' && getch2_buf[2] == '[') {
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int c = getch2_buf[3];
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if (c >= 'A' && c < 'A'+12) {
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code = KEY_F+1 + c-'A';
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len = 4;
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goto found;
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}
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}
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if ((c == '[' || c == 'O') && getch2_len >= 3) {
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int c = getch2_buf[2];
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const short ctable[] = {
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KEY_UP, KEY_DOWN, KEY_RIGHT, KEY_LEFT, 0,
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KEY_END, KEY_PGDWN, KEY_HOME, KEY_PGUP, 0, 0, KEY_INS, 0, 0, 0,
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KEY_F+1, KEY_F+2, KEY_F+3, KEY_F+4};
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if (c >= 'A' && c <= 'S')
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if (ctable[c - 'A']) {
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code = ctable[c - 'A'];
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len = 3;
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goto found;
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}
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}
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if (getch2_len >= 4 && c == '[' && getch2_buf[3] == '~') {
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int c = getch2_buf[2];
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const int ctable[8] = {KEY_HOME, KEY_INS, KEY_DEL, KEY_END, KEY_PGUP, KEY_PGDWN, KEY_HOME, KEY_END};
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if (c >= '1' && c <= '8') {
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code = ctable[c - '1'];
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len = 4;
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goto found;
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}
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}
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if (getch2_len >= 5 && c == '[' && getch2_buf[4] == '~') {
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int i = getch2_buf[2] - '0';
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int j = getch2_buf[3] - '0';
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if (i >= 0 && i <= 9 && j >= 0 && j <= 9) {
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const short ftable[20] = {
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11,12,13,14,15, 17,18,19,20,21,
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23,24,25,26,28, 29,31,32,33,34 };
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int a = i*10 + j;
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for (i = 0; i < 20; i++)
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if (ftable[i] == a) {
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code = KEY_F+1 + i;
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len = 5;
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goto found;
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}
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}
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}
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}
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found:
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getch2_len -= len;
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for (i = 0; i < getch2_len; i++)
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getch2_buf[i] = getch2_buf[len+i];
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mplayer_put_key(code);
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}
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}
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static int getch2_status=0;
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void getch2_enable(void){
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#ifdef HAVE_TERMIOS
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struct termios tio_new;
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tcgetattr(0,&tio_orig);
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tio_new=tio_orig;
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tio_new.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */
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tio_new.c_cc[VMIN] = 1;
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tio_new.c_cc[VTIME] = 0;
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tcsetattr(0,TCSANOW,&tio_new);
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#endif
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getch2_status=1;
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}
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void getch2_disable(void){
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if(!getch2_status) return; // already disabled / never enabled
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#ifdef HAVE_TERMIOS
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tcsetattr(0,TCSANOW,&tio_orig);
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#endif
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getch2_status=0;
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}
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#ifdef USE_ICONV
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char* get_term_charset(void)
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{
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char* charset = NULL;
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#ifdef USE_LANGINFO
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setlocale(LC_CTYPE, "");
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charset = nl_langinfo(CODESET);
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setlocale(LC_CTYPE, "C");
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#endif
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return charset;
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}
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#endif
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