+++ /dev/null
-#include "module.h"
-#include "signals.h"
-#include "terminfo-core.h"
-
-#ifndef _POSIX_VDISABLE
-# define _POSIX_VDISABLE 0
-#endif
-
-#define tput(s) tputs(s, 0, term_putchar)
-inline static int term_putchar(int c)
-{
- return fputc(c, current_term->out);
-}
-
-/* Don't bother including curses.h because of these -
- they might not even be defined there */
-char *tparm();
-int tputs();
-
-#ifdef HAVE_TERMINFO
-int setupterm();
-char *tigetstr();
-int tigetnum();
-int tigetflag();
-#define term_getstr(x, buffer) tigetstr(x.ti_name)
-#define term_getnum(x) tigetnum(x.ti_name);
-#define term_getflag(x) tigetflag(x.ti_name);
-#else
-int tgetent();
-char *tgetstr();
-int tgetnum();
-int tgetflag();
-#define term_getstr(x, buffer) tgetstr(x.tc_name, &buffer)
-#define term_getnum(x) tgetnum(x.tc_name)
-#define term_getflag(x) tgetflag(x.tc_name)
-#endif
-
-#define CAP_TYPE_FLAG 0
-#define CAP_TYPE_INT 1
-#define CAP_TYPE_STR 2
-
-typedef struct {
- const char *ti_name; /* terminfo name */
- const char *tc_name; /* termcap name */
- int type;
- void *ptr;
-} TERMINFO_REC;
-
-TERM_REC *current_term;
-static TERM_REC temp_term; /* not really used for anything */
-
-/* Define only what we might need */
-static TERMINFO_REC tcaps[] = {
- /* Terminal size */
- { "cols", "co", CAP_TYPE_INT, &temp_term.width },
- { "lines", "li", CAP_TYPE_INT, &temp_term.height },
-
- /* Cursor movement */
- { "smcup", "ti", CAP_TYPE_STR, &temp_term.TI_smcup },
- { "rmcup", "te", CAP_TYPE_STR, &temp_term.TI_rmcup },
- { "cup", "cm", CAP_TYPE_STR, &temp_term.TI_cup },
- { "hpa", "ch", CAP_TYPE_STR, &temp_term.TI_hpa },
- { "vpa", "vh", CAP_TYPE_STR, &temp_term.TI_vpa },
- { "cub1", "le", CAP_TYPE_STR, &temp_term.TI_cub1 },
- { "cuf1", "nd", CAP_TYPE_STR, &temp_term.TI_cuf1 },
- { "civis", "vi", CAP_TYPE_STR, &temp_term.TI_civis },
- { "cnorm", "ve", CAP_TYPE_STR, &temp_term.TI_cnorm },
-
- /* Scrolling */
- { "csr", "cs", CAP_TYPE_STR, &temp_term.TI_csr },
- { "wind", "wi", CAP_TYPE_STR, &temp_term.TI_wind },
- { "ri", "sr", CAP_TYPE_STR, &temp_term.TI_ri },
- { "rin", "SR", CAP_TYPE_STR, &temp_term.TI_rin },
- { "ind", "sf", CAP_TYPE_STR, &temp_term.TI_ind },
- { "indn", "SF", CAP_TYPE_STR, &temp_term.TI_indn },
- { "il", "AL", CAP_TYPE_STR, &temp_term.TI_il },
- { "il1", "al", CAP_TYPE_STR, &temp_term.TI_il1 },
- { "dl", "DL", CAP_TYPE_STR, &temp_term.TI_dl },
- { "dl1", "dl", CAP_TYPE_STR, &temp_term.TI_dl1 },
-
- /* Clearing screen */
- { "clear", "cl", CAP_TYPE_STR, &temp_term.TI_clear },
- { "ed", "cd", CAP_TYPE_STR, &temp_term.TI_ed },
-
- /* Clearing to end of line */
- { "el", "ce", CAP_TYPE_STR, &temp_term.TI_el },
-
- /* Repeating character */
- { "rep", "rp", CAP_TYPE_STR, &temp_term.TI_rep },
-
- /* Colors */
- { "sgr0", "me", CAP_TYPE_STR, &temp_term.TI_sgr0 },
- { "smul", "us", CAP_TYPE_STR, &temp_term.TI_smul },
- { "rmul", "ue", CAP_TYPE_STR, &temp_term.TI_rmul },
- { "smso", "so", CAP_TYPE_STR, &temp_term.TI_smso },
- { "rmso", "se", CAP_TYPE_STR, &temp_term.TI_rmso },
- { "bold", "md", CAP_TYPE_STR, &temp_term.TI_bold },
- { "blink", "mb", CAP_TYPE_STR, &temp_term.TI_blink },
- { "setaf", "AF", CAP_TYPE_STR, &temp_term.TI_setaf },
- { "setab", "AB", CAP_TYPE_STR, &temp_term.TI_setab },
- { "setf", "Sf", CAP_TYPE_STR, &temp_term.TI_setf },
- { "setb", "Sb", CAP_TYPE_STR, &temp_term.TI_setb },
-
- /* Beep */
- { "bel", "bl", CAP_TYPE_STR, &temp_term.TI_bel },
-};
-
-/* Move cursor (cursor_address / cup) */
-static void _move_cup(TERM_REC *term, int x, int y)
-{
- tput(tparm(term->TI_cup, y, x));
-}
-
-/* Move cursor (column_address+row_address / hpa+vpa) */
-static void _move_pa(TERM_REC *term, int x, int y)
-{
- tput(tparm(term->TI_hpa, x));
- tput(tparm(term->TI_vpa, y));
-}
-
-/* Move cursor from a known position */
-static void _move_relative(TERM_REC *term, int oldx, int oldy, int x, int y)
-{
- if (oldx == 0 && x == 0 && y == oldy+1) {
- /* move to beginning of next line -
- hope this works everywhere */
- tput("\r\n");
- return;
- }
-
- if (oldx > 0 && y == oldy) {
- /* move cursor left/right */
- if (x == oldx-1 && term->TI_cub1) {
- tput(tparm(term->TI_cub1));
- return;
- }
- if (x == oldx+1 && y == oldy && term->TI_cuf1) {
- tput(tparm(term->TI_cuf1));
- return;
- }
- }
-
- /* fallback to absolute positioning */
- if (term->TI_cup) {
- tput(tparm(term->TI_cup, y, x));
- return;
- }
-
- if (oldy != y)
- tput(tparm(term->TI_vpa, y));
- if (oldx != x)
- tput(tparm(term->TI_hpa, x));
-}
-
-/* Set cursor visible/invisible */
-static void _set_cursor_visible(TERM_REC *term, int set)
-{
- tput(tparm(set ? term->TI_cnorm : term->TI_civis));
-}
-
-#define scroll_region_setup(term, y1, y2) \
- if ((term)->TI_csr != NULL) \
- tput(tparm((term)->TI_csr, y1, y2)); \
- else if ((term)->TI_wind != NULL) \
- tput(tparm((term)->TI_wind, y1, y2, 0, (term)->width-1));
-
-/* Scroll (change_scroll_region+parm_rindex+parm_index / csr+rin+indn) */
-static void _scroll_region(TERM_REC *term, int y1, int y2, int count)
-{
- /* setup the scrolling region to wanted area */
- scroll_region_setup(term, y1, y2);
-
- term->move(term, 0, y1);
- if (count > 0) {
- term->move(term, 0, y2);
- tput(tparm(term->TI_indn, count, count));
- } else if (count < 0) {
- term->move(term, 0, y1);
- tput(tparm(term->TI_rin, -count, -count));
- }
-
- /* reset the scrolling region to full screen */
- scroll_region_setup(term, 0, term->height-1);
-}
-
-/* Scroll (change_scroll_region+scroll_reverse+scroll_forward / csr+ri+ind) */
-static void _scroll_region_1(TERM_REC *term, int y1, int y2, int count)
-{
- int i;
-
- /* setup the scrolling region to wanted area */
- scroll_region_setup(term, y1, y2);
-
- if (count > 0) {
- term->move(term, 0, y2);
- for (i = 0; i < count; i++)
- tput(tparm(term->TI_ind));
- } else if (count < 0) {
- term->move(term, 0, y1);
- for (i = count; i < 0; i++)
- tput(tparm(term->TI_ri));
- }
-
- /* reset the scrolling region to full screen */
- scroll_region_setup(term, 0, term->height-1);
-}
-
-/* Scroll (parm_insert_line+parm_delete_line / il+dl) */
-static void _scroll_line(TERM_REC *term, int y1, int y2, int count)
-{
- /* setup the scrolling region to wanted area -
- this might not necessarily work with il/dl, but at least it
- looks better if it does */
- scroll_region_setup(term, y1, y2);
-
- if (count > 0) {
- term->move(term, 0, y1);
- tput(tparm(term->TI_dl, count, count));
- term->move(term, 0, y2-count+1);
- tput(tparm(term->TI_il, count, count));
- } else if (count < 0) {
- term->move(term, 0, y2+count+1);
- tput(tparm(term->TI_dl, -count, -count));
- term->move(term, 0, y1);
- tput(tparm(term->TI_il, -count, -count));
- }
-
- /* reset the scrolling region to full screen */
- scroll_region_setup(term, 0, term->height-1);
-}
-
-/* Scroll (insert_line+delete_line / il1+dl1) */
-static void _scroll_line_1(TERM_REC *term, int y1, int y2, int count)
-{
- int i;
-
- if (count > 0) {
- term->move(term, 0, y1);
- for (i = 0; i < count; i++)
- tput(tparm(term->TI_dl1));
- term->move(term, 0, y2-count+1);
- for (i = 0; i < count; i++)
- tput(tparm(term->TI_il1));
- } else if (count < 0) {
- term->move(term, 0, y2+count+1);
- for (i = count; i < 0; i++)
- tput(tparm(term->TI_dl1));
- term->move(term, 0, y1);
- for (i = count; i < 0; i++)
- tput(tparm(term->TI_il1));
- }
-}
-
-/* Clear screen (clear_screen / clear) */
-static void _clear_screen(TERM_REC *term)
-{
- tput(tparm(term->TI_clear));
-}
-
-/* Clear screen (clr_eos / ed) */
-static void _clear_eos(TERM_REC *term)
-{
- term->move(term, 0, 0);
- tput(tparm(term->TI_ed));
-}
-
-/* Clear screen (parm_delete_line / dl) */
-static void _clear_del(TERM_REC *term)
-{
- term->move(term, 0, 0);
- tput(tparm(term->TI_dl, term->height, term->height));
-}
-
-/* Clear screen (delete_line / dl1) */
-static void _clear_del_1(TERM_REC *term)
-{
- int i;
-
- term->move(term, 0, 0);
- for (i = 0; i < term->height; i++)
- tput(tparm(term->TI_dl1));
-}
-
-/* Clear to end of line (clr_eol / el) */
-static void _clrtoeol(TERM_REC *term)
-{
- tput(tparm(term->TI_el));
-}
-
-/* Repeat character (rep / rp) */
-static void _repeat(TERM_REC *term, int chr, int count)
-{
- tput(tparm(term->TI_rep, chr, count));
-}
-
-/* Repeat character (manual) */
-static void _repeat_manual(TERM_REC *term, int chr, int count)
-{
- while (count > 0) {
- putc(chr, term->out);
- count--;
- }
-}
-
-/* Reset all terminal attributes */
-static void _set_normal(TERM_REC *term)
-{
- tput(tparm(term->TI_normal));
-}
-
-/* Bold on */
-static void _set_bold(TERM_REC *term)
-{
- tput(tparm(term->TI_bold));
-}
-
-/* Underline on/off */
-static void _set_uline(TERM_REC *term, int set)
-{
- tput(tparm(set ? term->TI_smul : term->TI_rmul));
-}
-
-/* Standout on/off */
-static void _set_standout(TERM_REC *term, int set)
-{
- tput(tparm(set ? term->TI_smso : term->TI_rmso));
-}
-
-/* Change foreground color */
-static void _set_fg(TERM_REC *term, int color)
-{
- tput(tparm(term->TI_fg[color & 0x0f]));
-}
-
-/* Change background color */
-static void _set_bg(TERM_REC *term, int color)
-{
- tput(tparm(term->TI_bg[color & 0x0f]));
-}
-
-/* Beep */
-static void _beep(TERM_REC *term)
-{
- tput(tparm(term->TI_bel));
-}
-
-static void _ignore(TERM_REC *term)
-{
-}
-
-static void _ignore_parm(TERM_REC *term, int param)
-{
-}
-
-static void term_fill_capabilities(TERM_REC *term)
-{
- int i, ival;
- char *sval;
- void *ptr;
-
-#ifndef HAVE_TERMINFO
- char *tptr = term->buffer2;
-#endif
- for (i = 0; i < sizeof(tcaps)/sizeof(tcaps[0]); i++) {
- ptr = (char *) term + (int) ((char *) tcaps[i].ptr - (char *) &temp_term);
-
- switch (tcaps[i].type) {
- case CAP_TYPE_FLAG:
- ival = term_getflag(tcaps[i]);
- *(int *)ptr = ival;
- break;
- case CAP_TYPE_INT:
- ival = term_getnum(tcaps[i]);
- *(int *)ptr = ival;
- break;
- case CAP_TYPE_STR:
- sval = term_getstr(tcaps[i], tptr);
- if (sval == (char *) -1)
- *(char **)ptr = NULL;
- else
- *(char **)ptr = sval;
- break;
- }
- }
-}
-
-/* Terminal was resized - ask the width/height from terminfo again */
-void terminfo_resize(TERM_REC *term)
-{
- /* FIXME: is this possible? */
-}
-
-static void terminfo_colors_deinit(TERM_REC *term)
-{
- int i;
-
- if (terminfo_is_colors_set(term)) {
- for (i = 0; i < 16; i++) {
- g_free(term->TI_fg[i]);
- g_free(term->TI_bg[i]);
- }
-
- memset(term->TI_fg, 0, sizeof(term->TI_fg));
- memset(term->TI_bg, 0, sizeof(term->TI_fg));
- }
-}
-
-/* Setup colors - if force is set, use ANSI-style colors if
- terminal capabilities don't contain color codes */
-void terminfo_setup_colors(TERM_REC *term, int force)
-{
- static char ansitab[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
- const char *bold, *blink;
- int i;
-
- terminfo_colors_deinit(term);
- term->has_colors = term->TI_setf || term->TI_setaf;
-
- if (term->TI_setaf) {
- for (i = 0; i < 8; i++)
- term->TI_fg[i] = g_strdup(tparm(term->TI_setaf, ansitab[i], 0));
- } else if (term->TI_setf) {
- for (i = 0; i < 8; i++)
- term->TI_fg[i] = g_strdup(tparm(term->TI_setf, i, 0));
- } else if (force) {
- for (i = 0; i < 8; i++)
- term->TI_fg[i] = g_strdup_printf("\033[%dm", 30+ansitab[i]);
- }
-
- if (term->TI_setab) {
- for (i = 0; i < 8; i++)
- term->TI_bg[i] = g_strdup(tparm(term->TI_setab, ansitab[i], 0));
- } else if (term->TI_setb) {
- for (i = 0; i < 8; i++)
- term->TI_bg[i] = g_strdup(tparm(term->TI_setb, i, 0));
- } else if (force) {
- for (i = 0; i < 8; i++)
- term->TI_bg[i] = g_strdup_printf("\033[%dm", 40+ansitab[i]);
- }
-
- if (term->TI_setf || term->TI_setaf || force) {
- term->set_fg = _set_fg;
- term->set_bg = _set_bg;
-
- /* bold fg, blink bg */
- bold = term->TI_bold ? term->TI_bold : "";
- for (i = 0; i < 8; i++)
- term->TI_fg[i+8] = g_strconcat(bold, term->TI_fg[i], NULL);
-
- blink = term->TI_blink ? term->TI_blink : "";
- for (i = 0; i < 8; i++)
- term->TI_bg[i+8] = g_strconcat(blink, term->TI_bg[i], NULL);
- } else {
- /* no colors */
- term->set_fg = term->set_bg = _ignore_parm;
- }
-}
-
-static void terminfo_input_init(TERM_REC *term)
-{
- tcgetattr(fileno(term->in), &term->old_tio);
- memcpy(&term->tio, &term->old_tio, sizeof(term->tio));
-
- term->tio.c_lflag &= ~(ICANON | ECHO); /* CBREAK, no ECHO */
- term->tio.c_cc[VMIN] = 1; /* read() is satisfied after 1 char */
- term->tio.c_cc[VTIME] = 0; /* No timer */
-
- /* Disable INTR, QUIT, VDSUSP and SUSP keys */
- term->tio.c_cc[VINTR] = _POSIX_VDISABLE;
- term->tio.c_cc[VQUIT] = _POSIX_VDISABLE;
-#ifdef VDSUSP
- term->tio.c_cc[VDSUSP] = _POSIX_VDISABLE;
-#endif
-#ifdef VSUSP
- term->tio.c_cc[VSUSP] = _POSIX_VDISABLE;
-#endif
-
- tcsetattr(fileno(term->in), TCSADRAIN, &term->tio);
-
-}
-
-static void terminfo_input_deinit(TERM_REC *term)
-{
- tcsetattr(fileno(term->in), TCSADRAIN, &term->old_tio);
-}
-
-void terminfo_cont(TERM_REC *term)
-{
- if (term->TI_smcup)
- tput(tparm(term->TI_smcup));
- terminfo_input_init(term);
-}
-
-void terminfo_stop(TERM_REC *term)
-{
- /* reset colors */
- terminfo_set_normal();
- /* move cursor to bottom of the screen */
- terminfo_move(0, term->height-1);
-
- /* stop cup-mode */
- if (term->TI_rmcup)
- tput(tparm(term->TI_rmcup));
-
- /* reset input settings */
- terminfo_input_deinit(term);
- fflush(term->out);
-}
-
-static int term_setup(TERM_REC *term)
-{
- GString *str;
-#ifdef HAVE_TERMINFO
- int err;
-#endif
- char *term_env;
-
- term_env = getenv("TERM");
- if (term_env == NULL) {
- fprintf(term->out, "TERM environment not set\n");
- return 0;
- }
-
-#ifdef HAVE_TERMINFO
- if (setupterm(term_env, 1, &err) != 0) {
- fprintf(term->out, "setupterm() failed for TERM=%s: %d\n", term_env, err);
- return 0;
- }
-#else
- if (tgetent(term->buffer1, term_env) < 1)
- {
- fprintf(term->out, "Termcap not found for TERM=%s\n", term_env);
- return 0;
- }
-#endif
-
- term_fill_capabilities(term);
-
- /* Cursor movement */
- if (term->TI_cup)
- term->move = _move_cup;
- else if (term->TI_hpa && term->TI_vpa)
- term->move = _move_pa;
- else {
- fprintf(term->out, "Terminal doesn't support cursor movement\n");
- return 0;
- }
- term->move_relative = _move_relative;
- term->set_cursor_visible = term->TI_civis && term->TI_cnorm ?
- _set_cursor_visible : _ignore_parm;
-
- /* Scrolling */
- if ((term->TI_csr || term->TI_wind) && term->TI_rin && term->TI_indn)
- term->scroll = _scroll_region;
- else if (term->TI_il && term->TI_dl)
- term->scroll = _scroll_line;
- else if ((term->TI_csr || term->TI_wind) && term->TI_ri && term->TI_ind)
- term->scroll = _scroll_region_1;
- else if (term->scroll == NULL && (term->TI_il1 && term->TI_dl1))
- term->scroll = _scroll_line_1;
- else if (term->scroll == NULL) {
- fprintf(term->out, "Terminal doesn't support scrolling\n");
- return 0;
- }
-
- /* Clearing screen */
- if (term->TI_clear)
- term->clear = _clear_screen;
- else if (term->TI_ed)
- term->clear = _clear_eos;
- else if (term->TI_dl)
- term->clear = _clear_del;
- else if (term->TI_dl1)
- term->clear = _clear_del_1;
- else {
- /* we could do this by line inserts as well, but don't
- bother - if some terminal has insert line it most probably
- has delete line as well, if not a regular clear screen */
- fprintf(term->out, "Terminal doesn't support clearing screen\n");
- return 0;
- }
-
- /* Clearing to end of line */
- if (term->TI_el)
- term->clrtoeol = _clrtoeol;
- else {
- fprintf(term->out, "Terminal doesn't support clearing to end of line\n");
- return 0;
- }
-
- /* Repeating character */
- if (term->TI_rep)
- term->repeat = _repeat;
- else
- term->repeat = _repeat_manual;
-
- /* Bold, underline, standout */
- term->set_bold = term->TI_bold ? _set_bold : _ignore;
- term->set_uline = term->TI_smul && term->TI_rmul ?
- _set_uline : _ignore_parm;
- term->set_standout = term->TI_smso && term->TI_rmso ?
- _set_standout : _ignore_parm;
-
- /* Create a string to set all attributes off */
- str = g_string_new(NULL);
- if (term->TI_sgr0)
- g_string_append(str, term->TI_sgr0);
- if (term->TI_rmul && (term->TI_sgr0 == NULL || strcmp(term->TI_rmul, term->TI_sgr0) != 0))
- g_string_append(str, term->TI_rmul);
- if (term->TI_rmso && (term->TI_sgr0 == NULL || strcmp(term->TI_rmso, term->TI_sgr0) != 0))
- g_string_append(str, term->TI_rmso);
- term->TI_normal = str->str;
- g_string_free(str, FALSE);
- term->set_normal = _set_normal;
-
- term->beep = term->TI_bel ? _beep : _ignore;
-
- terminfo_setup_colors(term, FALSE);
- terminfo_cont(term);
- return 1;
-}
-
-TERM_REC *terminfo_core_init(FILE *in, FILE *out)
-{
- TERM_REC *old_term, *term;
-
- old_term = current_term;
- current_term = term = g_new0(TERM_REC, 1);
-
- term->in = in;
- term->out = out;
-
- if (!term_setup(term)) {
- g_free(term);
- term = NULL;
- }
-
- current_term = old_term;
- return term;
-}
-
-void terminfo_core_deinit(TERM_REC *term)
-{
- TERM_REC *old_term;
-
- old_term = current_term;
- current_term = term;
- term->set_normal(term);
- current_term = old_term;
-
- terminfo_stop(term);
-
- g_free(term->TI_normal);
- terminfo_colors_deinit(term);
-
- g_free(term);
-}
projects / runtime.git / blobdiff