3 * $Id: pres_curses.c,v 1.2 1999/06/24 15:51:16 mdw Exp $
5 * Curses-based output presentation
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of sw-tools.
14 * sw-tools is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * sw-tools is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with sw-tools; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
31 * $Log: pres_curses.c,v $
32 * Revision 1.2 1999/06/24 15:51:16 mdw
33 * Fix signal handlers so they don't corrupt `errno'.
35 * Revision 1.1.1.1 1999/06/02 16:53:35 mdw
40 /*----- Header files ------------------------------------------------------*/
51 #include <sys/types.h>
54 #if defined(HAVE_NCURSES_H)
56 #elif defined(HAVE_NCURSES_NCURSES_H)
57 # include <ncurses/ncurses.h>
58 #elif defined(HAVE_CURSES_H)
61 # error "Where's your <curses.h> header?"
65 #include <mLib/alloc.h>
66 #include <mLib/report.h>
70 #include "pres_curses.h"
76 /*----- Data structures ---------------------------------------------------*/
87 /*----- Static variables --------------------------------------------------*/
89 static cwin *cwins = 0;
92 /*----- Main code ---------------------------------------------------------*/
100 * Use: Calculates window sizes for all the windows. The heights are
101 * determined in a way which doesn't allow rounding errors to be
102 * an issue (although there will be up to a line's height
103 * difference between two windows). No actual changing of
104 * curses structures is done.
107 static void sizes(void)
110 int t = 0, h = LINES, w = nwins;
112 for (c = cwins; c; c = c->next) {
122 /* --- @sig_tstp@ --- */
125 static void sig_tstp(int s)
134 /* --- @sig_cont@ --- */
137 static void sig_cont(int s)
145 /* --- @sig_winch@ --- */
149 static void sig_winch(int s)
157 for (c = cwins; c; c = c->next) {
158 mvwin(c->w, c->top, 0);
159 wresize(c->w, c->height, COLS);
160 mvwin(c->s, c->top + c->height, 0);
170 /* --- @curses_ok@ --- */
174 if (!isatty(STDOUT_FILENO)) {
175 moan("can't use curses: stdout isn't a terminal");
178 if (setupterm(0, STDOUT_FILENO, 0) == ERR) {
179 moan("can't use curses: couldn't read terminfo");
182 if (!tigetstr("cup")) {
183 moan("can't use curses: terminal insufficiently winning");
189 /* --- @curses_init@ --- */
191 int curses_init(archcons *a)
193 cwin **cc = &cwins, *c;
195 /* --- Allocate my window structures --- */
198 for (; a; a = a->cdr) {
202 c = xmalloc(sizeof(cwin));
212 /* --- Haul curses up by its naughty bits --- */
215 keypad(stdscr, TRUE);
221 /* --- Grind through everything setting up windows --- */
224 for (c = cwins; c; c = c->next) {
225 if ((c->w = newwin(c->height, COLS, c->top, 0)) == 0 ||
226 (c->s = newwin(1, COLS, c->top + c->height, 0)) == 0)
228 scrollok(c->w, TRUE);
231 wbkgdset(c->s, A_STANDOUT);
233 mvwprintw(c->s, 0, 0, " %s [running]\n", c->e->arch);
240 signal(SIGWINCH, sig_winch);
243 signal(SIGTSTP, sig_tstp);
244 signal(SIGCONT, sig_cont);
263 /* --- @curses_output@ --- */
265 void curses_output(archent *e, const char *p, size_t sz)
276 /* --- @curses_close@ --- */
278 void curses_close(archent *e, int ok)
281 mvwprintw(c->s, 0, 0, " %s [%s]\n", e->arch, ok ? "finished" : "failed");
285 /* --- @curses_done@ --- */
287 void curses_done(archcons *a)
289 if (opt_flags & optFlag_beep) {
295 for (; a; a = a->cdr) {
305 /* --- @curses_abort@ --- */
307 void curses_abort(archcons *a)
310 signal(SIGWINCH, SIG_DFL);
313 signal(SIGTSTP, SIG_DFL);
314 signal(SIGCONT, SIG_DFL);
319 /*----- That's all, folks -------------------------------------------------*/
322 int pres_curses__built = 1;