75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
#include "lupi.h"
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include <string.h>
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#ifndef _WIN32
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <signal.h>
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#include <stdio.h>
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#include <unistd.h>
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struct termios old, new;
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static void handle_winch(int sig){
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signal(SIGWINCH, SIG_IGN);
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/* FIXME: Prerelease: Implement */
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signal(SIGWINCH, handle_winch);
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}
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static int l_get_term_sz (lua_State *L) {
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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lua_pushnumber(L, w.ws_col);
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lua_pushnumber(L, w.ws_row);
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return 2;
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}
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static int l_term_restore (lua_State *L) {
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tcsetattr (STDOUT_FILENO, TCSAFLUSH, &old);
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return 0;
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}
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#else
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static int l_get_term_sz (lua_State *L) { return 0; }
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static int l_term_restore (lua_State *L) { return 0; }
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#endif
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static int l_term_init (lua_State *L) {
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#ifndef _WIN32
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tcsetattr (STDOUT_FILENO, TCSAFLUSH, &new);
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lua_pushboolean(L, 1);
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#else
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lua_pushboolean(L, 0);
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#endif
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return 1;
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}
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void termutils_start(lua_State *L) {
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#ifndef _WIN32
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signal(SIGWINCH, handle_winch);
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if (tcgetattr (STDOUT_FILENO, &old) != 0)
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return;
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new = old;
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new.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP
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| INLCR | IGNCR | ICRNL | IXON);
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new.c_oflag &= ~OPOST;
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new.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
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new.c_cflag &= ~(CSIZE | PARENB);
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new.c_cflag |= CS8;
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#endif
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struct luaL_Reg termlib[] = {
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{"getSize", l_get_term_sz},
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{"init", l_term_init},
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{"restore", l_term_restore},
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{NULL, NULL}
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};
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luaL_openlib(L, "termutils", termlib, 0);
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} |