mirror of
https://github.com/MidnightCommander/mc
synced 2025-01-01 00:54:24 +03:00
* cons.handler.c: Add implementation for FreeBSD 4.x and 5.x.
This commit is contained in:
Pavel Roskin
parent
6a8a443ed2
commit
a8a0f0c17a
@ -1,3 +1,7 @@
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2003-02-26 Max Khon <fjoe@iclub.nsu.ru>
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* cons.handler.c: Add implementation for FreeBSD 4.x and 5.x.
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2003-02-26 Pavel Roskin <proski@gnu.org>
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* view.c (load_view_file): Make sure view->s.st_size is not
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@ -15,8 +15,6 @@
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* The cons saver can't have a pid of 1, used to prevent bunches of */
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/*#ifdef linux */
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#include <config.h>
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#ifdef HAVE_UNISTD_H
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@ -25,6 +23,28 @@
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#include <sys/types.h>
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#include <signal.h>
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#ifdef SCO_FLAVOR
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/vid.h>
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#include <sys/console.h>
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#include <sys/vtkd.h>
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#include <memory.h>
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#include <signal.h>
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#endif /* SCO_FLAVOR */
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#ifdef __FreeBSD__
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#include <sys/consio.h>
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#include <sys/errno.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <osreldate.h>
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#endif /* __FreeBSD__ */
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#include "global.h"
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#include "tty.h"
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#include "cons.saver.h"
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@ -34,10 +54,16 @@ signed char console_flag = 0;
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#if defined(linux) || defined(__linux__)
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#include "main.h"
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int cons_saver_pid = 1;
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static int pipefd1 [2] = {-1, -1}, pipefd2 [2] = {-1, -1};
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/* The cons saver can't have a pid of 1, used to prevent bunches of
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* #ifdef linux */
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void show_console_contents (int starty, unsigned char begin_line, unsigned char end_line)
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int cons_saver_pid = 1;
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static int pipefd1[2] = { -1, -1 }, pipefd2[2] = {
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-1, -1};
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void
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show_console_contents (int starty, unsigned char begin_line,
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unsigned char end_line)
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{
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unsigned char message = 0;
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unsigned short bytes = 0;
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@ -54,7 +80,7 @@ void show_console_contents (int starty, unsigned char begin_line, unsigned char
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if (!console_flag)
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return;
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/* Paranoid: Is the cons.saver still running? */
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if (cons_saver_pid < 1 || kill (cons_saver_pid, SIGCONT)){
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if (cons_saver_pid < 1 || kill (cons_saver_pid, SIGCONT)) {
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cons_saver_pid = 0;
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console_flag = 0;
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return;
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@ -75,9 +101,9 @@ void show_console_contents (int starty, unsigned char begin_line, unsigned char
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read (pipefd2[0], &bytes, 2);
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/* Read the bytes and output them */
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for (i = 0; i < bytes; i++){
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for (i = 0; i < bytes; i++) {
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if ((i % COLS) == 0)
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move (starty+(i/COLS), 0);
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move (starty + (i / COLS), 0);
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read (pipefd2[0], &message, 1);
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addch (message);
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}
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@ -86,13 +112,14 @@ void show_console_contents (int starty, unsigned char begin_line, unsigned char
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read (pipefd2[0], &message, 1);
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}
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void handle_console (unsigned char action)
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void
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handle_console (unsigned char action)
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{
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char *tty_name;
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char *mc_conssaver;
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int status;
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switch (action){
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switch (action) {
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case CONSOLE_INIT:
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if (look_for_rxvt_extensions ())
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return;
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@ -104,7 +131,7 @@ void handle_console (unsigned char action)
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pipe (pipefd2);
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/* Get the console saver running */
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cons_saver_pid = fork ();
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if (cons_saver_pid < 0){
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if (cons_saver_pid < 0) {
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/* Cannot fork */
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/* Delete pipes */
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close (pipefd1[1]);
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@ -112,14 +139,14 @@ void handle_console (unsigned char action)
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close (pipefd2[1]);
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close (pipefd2[0]);
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console_flag = 0;
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} else if (cons_saver_pid > 0){
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} else if (cons_saver_pid > 0) {
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/* Parent */
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/* Close the extra pipe ends */
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close (pipefd1[0]);
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close (pipefd2[1]);
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/* Was the child successful? */
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read (pipefd2[0], &console_flag, 1);
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if (!console_flag){
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if (!console_flag) {
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close (pipefd1[1]);
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close (pipefd2[0]);
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waitpid (cons_saver_pid, &status, 0);
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@ -152,7 +179,7 @@ void handle_console (unsigned char action)
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close (1);
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close (0);
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_exit (3);
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} /* if (cons_saver_pid ...) */
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} /* if (cons_saver_pid ...) */
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break;
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case CONSOLE_DONE:
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@ -164,21 +191,21 @@ void handle_console (unsigned char action)
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if (!console_flag)
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return;
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/* Paranoid: Is the cons.saver still running? */
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if (cons_saver_pid < 1 || kill (cons_saver_pid, SIGCONT)){
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if (cons_saver_pid < 1 || kill (cons_saver_pid, SIGCONT)) {
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cons_saver_pid = 0;
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console_flag = 0;
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return;
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}
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/* Send command to the console handler */
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write (pipefd1[1], &action, 1);
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if (action != CONSOLE_DONE){
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if (action != CONSOLE_DONE) {
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/* Wait the console handler to do its job */
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read (pipefd2[0], &console_flag, 1);
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}
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if (action == CONSOLE_DONE || !console_flag){
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if (action == CONSOLE_DONE || !console_flag) {
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/* We are done -> Let's clean up */
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close (pipefd1 [1]);
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close (pipefd2 [0]);
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close (pipefd1[1]);
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close (pipefd2[0]);
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waitpid (cons_saver_pid, &status, 0);
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console_flag = 0;
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}
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@ -186,221 +213,392 @@ void handle_console (unsigned char action)
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}
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}
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#endif /* #ifdef linux */
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#elif defined(SCO_FLAVOR)
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#ifdef SCO_FLAVOR
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/*
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** SCO console save/restore handling routines
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** Copyright (C) 1997 Alex Tkachenko <alex@bcs.zaporizhzhe.ua>
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/vid.h>
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#include <sys/console.h>
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#include <sys/vtkd.h>
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#include <memory.h>
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#include <signal.h>
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#include "tty.h"
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#include "util.h"
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#include "color.h"
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#include "cons.saver.h"
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static int FD_OUT = 2;
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static unsigned short* vidbuf = NULL;
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static unsigned short* screen = NULL;
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static unsigned short *vidbuf = NULL;
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static unsigned short *screen = NULL;
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static int height = 0, width = 0, saved_attr = 0;
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static int mode = 0;
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#define SIG_ACQUIRE 21 /* originally: handset, line status change (?) */
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#define SIG_ACQUIRE 21 /* originally: handset, line status change (?) */
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static int
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vt_active()
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vt_active ()
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{
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struct vid_info vi;
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int adapter = ioctl(FD_OUT, CONS_CURRENT, 0);
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struct vid_info vi;
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int adapter = ioctl (FD_OUT, CONS_CURRENT, 0);
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vi.size = sizeof(struct vid_info);
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ioctl(FD_OUT, CONS_GETINFO, &(vi));
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return (vi.m_num == ioctl(FD_OUT,CONSADP,adapter));
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vi.size = sizeof (struct vid_info);
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ioctl (FD_OUT, CONS_GETINFO, &(vi));
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return (vi.m_num == ioctl (FD_OUT, CONSADP, adapter));
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}
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static void
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console_acquire_vt()
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console_acquire_vt ()
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{
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struct vt_mode smode;
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signal (SIG_ACQUIRE, SIG_DFL);
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smode.mode = VT_AUTO;
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smode.waitv = smode.relsig = smode.acqsig = smode.frsig = 0;
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ioctl (FD_OUT, VT_SETMODE, &smode);
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ioctl (FD_OUT, VT_RELDISP, VT_ACKACQ);
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}
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static void
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console_shutdown ()
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{
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if (!console_flag) {
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return;
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}
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if (screen != NULL) {
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g_free (screen);
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}
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console_flag = 0;
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}
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static void
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console_save ()
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{
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struct m6845_info mi;
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if (!console_flag) {
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return;
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}
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if (!vt_active ()) {
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struct vt_mode smode;
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signal(SIG_ACQUIRE, SIG_DFL);
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smode.mode = VT_AUTO;
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smode.waitv = smode.relsig = smode.acqsig = smode.frsig = 0;
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ioctl(FD_OUT, VT_SETMODE, &smode);
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ioctl(FD_OUT, VT_RELDISP, VT_ACKACQ);
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/*
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** User switched out of our vt. Let's wait until we get SIG_ACQUIRE,
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** otherwise we could save wrong screen image
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*/
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signal (SIG_ACQUIRE, console_acquire_vt);
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smode.mode = VT_PROCESS;
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smode.waitv = 0;
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smode.waitv = smode.relsig = smode.acqsig = smode.frsig =
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SIG_ACQUIRE;
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ioctl (FD_OUT, VT_SETMODE, &smode);
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pause ();
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}
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saved_attr = ioctl (FD_OUT, GIO_ATTR, 0);
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vidbuf = (unsigned short *) ioctl (FD_OUT, MAPCONS, 0);
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mi.size = sizeof (struct m6845_info);
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ioctl (FD_OUT, CONS_6845INFO, &mi);
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{
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unsigned short *start = vidbuf + mi.screen_top;
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memcpy (screen, start, width * height * 2);
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}
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write (FD_OUT, "\0337", 2); /* save cursor position */
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}
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static void
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console_shutdown()
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console_restore ()
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{
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if (!console_flag)
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{
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return;
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}
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if (screen != NULL)
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{
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g_free (screen);
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}
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console_flag = 0;
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}
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struct m6845_info mi;
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unsigned short *start;
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static void
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console_save()
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{
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struct m6845_info mi;
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if (!console_flag)
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{
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return;
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}
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if (!vt_active())
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{
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struct vt_mode smode;
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/*
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** User switched out of our vt. Let's wait until we get SIG_ACQUIRE,
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** otherwise we could save wrong screen image
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*/
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signal(SIG_ACQUIRE, console_acquire_vt);
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smode.mode = VT_PROCESS;
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smode.waitv = 0;
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smode.waitv = smode.relsig = smode.acqsig = smode.frsig = SIG_ACQUIRE;
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ioctl(FD_OUT, VT_SETMODE, &smode);
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pause();
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}
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saved_attr = ioctl(FD_OUT, GIO_ATTR, 0);
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vidbuf = (unsigned short*) ioctl(FD_OUT, MAPCONS, 0);
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mi.size = sizeof(struct m6845_info);
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ioctl(FD_OUT, CONS_6845INFO, &mi);
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{
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unsigned short* start = vidbuf + mi.screen_top;
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memcpy(screen, start, width * height * 2);
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}
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write(FD_OUT,"\0337",2); /* save cursor position */
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}
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static void
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console_restore()
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{
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struct m6845_info mi;
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unsigned short* start;
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if (!console_flag)
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{
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return;
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}
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if (!console_flag) {
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return;
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}
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write (FD_OUT, "\033[2J", 4);
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mi.size = sizeof(struct m6845_info);
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ioctl(FD_OUT, CONS_6845INFO, &mi);
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mi.size = sizeof (struct m6845_info);
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ioctl (FD_OUT, CONS_6845INFO, &mi);
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start = vidbuf + mi.screen_top;
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memcpy(start, screen, width * height * 2);
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write(FD_OUT,"\0338",2); /* restore cursor position */
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start = vidbuf + mi.screen_top;
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memcpy (start, screen, width * height * 2);
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write (FD_OUT, "\0338", 2); /* restore cursor position */
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}
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static void
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console_init()
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console_init ()
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{
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struct vid_info vi;
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int adapter = ioctl(FD_OUT, CONS_CURRENT, 0);
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struct vid_info vi;
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int adapter = ioctl (FD_OUT, CONS_CURRENT, 0);
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console_flag = 0;
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console_flag = 0;
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if (adapter != -1)
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{
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vi.size = sizeof(struct vid_info);
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ioctl(FD_OUT, CONS_GETINFO, &(vi));
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if (adapter != -1) {
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vi.size = sizeof (struct vid_info);
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ioctl (FD_OUT, CONS_GETINFO, &(vi));
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if (vt_active())
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{
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console_flag = 1;
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if (vt_active ()) {
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console_flag = 1;
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height = vi.mv_rsz;
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width = vi.mv_csz;
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height = vi.mv_rsz;
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width = vi.mv_csz;
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screen = (unsigned short*) g_malloc (height * width * 2);
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if (screen == NULL)
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{
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console_shutdown();
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return;
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}
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console_save();
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mode = ioctl(FD_OUT, CONS_GET, 0);
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ioctl(FD_OUT, MODESWITCH | mode, 0);
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console_restore();
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}
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screen = (unsigned short *) g_malloc (height * width * 2);
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if (screen == NULL) {
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console_shutdown ();
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return;
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}
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console_save ();
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mode = ioctl (FD_OUT, CONS_GET, 0);
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ioctl (FD_OUT, MODESWITCH | mode, 0);
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console_restore ();
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}
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}
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}
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void
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handle_console (unsigned char action)
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{
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if (look_for_rxvt_extensions ())
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return;
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switch (action){
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case CONSOLE_INIT:
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console_init();
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break;
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if (look_for_rxvt_extensions ())
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return;
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switch (action) {
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case CONSOLE_INIT:
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console_init ();
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break;
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case CONSOLE_DONE:
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console_shutdown();
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break;
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case CONSOLE_DONE:
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console_shutdown ();
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break;
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case CONSOLE_SAVE:
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console_save();
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break;
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case CONSOLE_SAVE:
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console_save ();
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break;
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case CONSOLE_RESTORE:
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console_restore();
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break;
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default:
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/* Nothing */;
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case CONSOLE_RESTORE:
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console_restore ();
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break;
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default:
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/* Nothing */ ;
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}
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}
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void
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show_console_contents (int starty, unsigned char begin_line, unsigned char end_line)
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show_console_contents (int starty, unsigned char begin_line,
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unsigned char end_line)
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{
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register int i, len = (end_line - begin_line) * width;
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register int i, len = (end_line - begin_line) * width;
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if (look_for_rxvt_extensions ()) {
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show_rxvt_contents (starty, begin_line, end_line);
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return;
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}
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attrset(DEFAULT_COLOR);
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for (i = 0; i < len; i++)
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{
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if ((i % width) == 0)
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move (starty+(i/width), 0);
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addch ((unsigned char)screen[width*starty + i]);
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}
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if (look_for_rxvt_extensions ()) {
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show_rxvt_contents (starty, begin_line, end_line);
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return;
|
||||
}
|
||||
attrset (DEFAULT_COLOR);
|
||||
for (i = 0; i < len; i++) {
|
||||
if ((i % width) == 0)
|
||||
move (starty + (i / width), 0);
|
||||
addch ((unsigned char) screen[width * starty + i]);
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* SCO_FLAVOR */
|
||||
#elif defined(__FreeBSD__)
|
||||
|
||||
/*
|
||||
* FreeBSD support copyright (C) 2003 Alexander Serkov <serkov@ukrpost.net>.
|
||||
* Support for screenmaps by Max Khon <fjoe@FreeBSD.org>
|
||||
*/
|
||||
|
||||
#if !defined(linux) && !defined(__linux__) && !defined(SCO_FLAVOR)
|
||||
#define FD_OUT 1
|
||||
|
||||
#include "tty.h"
|
||||
static struct scrshot screen_shot;
|
||||
static struct vid_info screen_info;
|
||||
/*
|
||||
* Color indexes returned by SCRSHOT differ from that ones VT220 accepts.
|
||||
* color_map defines mapping from SCRSHOT colors to VT220.
|
||||
*/
|
||||
static int color_map[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
|
||||
|
||||
void show_console_contents (int starty, unsigned char begin_line, unsigned char end_line)
|
||||
static void
|
||||
console_init (void)
|
||||
{
|
||||
if (console_flag)
|
||||
return;
|
||||
|
||||
screen_info.size = sizeof (screen_info);
|
||||
if (ioctl (FD_OUT, CONS_GETINFO, &screen_info) == -1)
|
||||
return;
|
||||
|
||||
#if __FreeBSD_version >= 500000
|
||||
screen_shot.x = 0;
|
||||
screen_shot.y = 0;
|
||||
#endif
|
||||
screen_shot.xsize = screen_info.mv_csz;
|
||||
screen_shot.ysize = screen_info.mv_rsz;
|
||||
if ((screen_shot.buf =
|
||||
malloc (screen_info.mv_csz * screen_info.mv_rsz)) == NULL)
|
||||
return;
|
||||
|
||||
console_flag = 1;
|
||||
}
|
||||
|
||||
static void
|
||||
set_attr (unsigned attr)
|
||||
{
|
||||
char cmd[17];
|
||||
int bc, tc;
|
||||
|
||||
tc = attr & 0xF;
|
||||
bc = (attr >> 4) & 0xF;
|
||||
|
||||
strcpy (cmd, "\x1B[");
|
||||
strcat (cmd, (bc & 8) ? "5;" : "25;");
|
||||
strcat (cmd, (tc & 8) ? "1;" : "22;");
|
||||
strcat (cmd, "3%d;4%dm");
|
||||
printf (cmd, color_map[tc & 7], color_map[bc & 7]);
|
||||
}
|
||||
|
||||
#define cursor_to(x, y) do { \
|
||||
printf("\x1B[%d;%df", (y) + 1, (x) + 1); \
|
||||
fflush(stdout); \
|
||||
} while (0)
|
||||
|
||||
static void
|
||||
console_restore (void)
|
||||
{
|
||||
int i, last;
|
||||
|
||||
if (!console_flag)
|
||||
return;
|
||||
|
||||
cursor_to (0, 0);
|
||||
|
||||
/* restoring all content up to cursor position */
|
||||
last = screen_info.mv_row * screen_info.mv_csz + screen_info.mv_col;
|
||||
for (i = 0; i < last; ++i) {
|
||||
set_attr ((screen_shot.buf[i] >> 8) & 0xFF);
|
||||
putc (screen_shot.buf[i] & 0xFF, stdout);
|
||||
}
|
||||
|
||||
/* restoring cursor color */
|
||||
set_attr ((screen_shot.buf[last] >> 8) & 0xFF);
|
||||
|
||||
fflush (stdout);
|
||||
}
|
||||
|
||||
static void
|
||||
console_shutdown (void)
|
||||
{
|
||||
if (!console_flag)
|
||||
return;
|
||||
|
||||
free (screen_shot.buf);
|
||||
|
||||
console_flag = 0;
|
||||
}
|
||||
|
||||
static void
|
||||
console_save (void)
|
||||
{
|
||||
int i;
|
||||
scrmap_t map;
|
||||
scrmap_t revmap;
|
||||
|
||||
if (!console_flag)
|
||||
return;
|
||||
|
||||
/* screen_info.size is already set in console_init() */
|
||||
if (ioctl (FD_OUT, CONS_GETINFO, &screen_info) == -1) {
|
||||
console_shutdown ();
|
||||
return;
|
||||
}
|
||||
|
||||
/* handle console resize */
|
||||
if (screen_info.mv_csz != screen_shot.xsize
|
||||
|| screen_info.mv_rsz != screen_shot.ysize) {
|
||||
console_shutdown ();
|
||||
console_init ();
|
||||
}
|
||||
|
||||
if (ioctl (FD_OUT, CONS_SCRSHOT, &screen_shot) == -1) {
|
||||
console_shutdown ();
|
||||
return;
|
||||
}
|
||||
|
||||
if (ioctl (FD_OUT, GIO_SCRNMAP, &map) == -1) {
|
||||
console_shutdown ();
|
||||
exit (1);
|
||||
}
|
||||
|
||||
for (i = 0; i < 256; i++) {
|
||||
char *p = memchr (map.scrmap, i, 256);
|
||||
revmap.scrmap[i] = p ? p - map.scrmap : i;
|
||||
}
|
||||
|
||||
for (i = 0; i < screen_shot.xsize * screen_shot.ysize; i++) {
|
||||
screen_shot.buf[i] =
|
||||
(screen_shot.buf[i] & 0xff00) | (unsigned char) revmap.
|
||||
scrmap[screen_shot.buf[i] & 0xff];
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
show_console_contents (int starty, unsigned char begin_line,
|
||||
unsigned char end_line)
|
||||
{
|
||||
int i, first, last;
|
||||
|
||||
if (look_for_rxvt_extensions ()) {
|
||||
show_rxvt_contents (starty, begin_line, end_line);
|
||||
return;
|
||||
}
|
||||
|
||||
if (!console_flag)
|
||||
return;
|
||||
|
||||
cursor_to (0, starty);
|
||||
|
||||
first = starty * screen_info.mv_csz;
|
||||
last = first + (end_line - begin_line + 1) * screen_info.mv_csz - 1;
|
||||
for (i = first; i <= last; ++i) {
|
||||
set_attr ((screen_shot.buf[i] >> 8) & 0xFF);
|
||||
putc (screen_shot.buf[i] & 0xFF, stdout);
|
||||
}
|
||||
|
||||
fflush (stdout);
|
||||
}
|
||||
|
||||
void
|
||||
handle_console (unsigned char action)
|
||||
{
|
||||
if (look_for_rxvt_extensions ())
|
||||
return;
|
||||
|
||||
switch (action) {
|
||||
case CONSOLE_INIT:
|
||||
console_init ();
|
||||
break;
|
||||
|
||||
case CONSOLE_DONE:
|
||||
console_shutdown ();
|
||||
break;
|
||||
|
||||
case CONSOLE_SAVE:
|
||||
console_save ();
|
||||
break;
|
||||
|
||||
case CONSOLE_RESTORE:
|
||||
console_restore ();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
void
|
||||
show_console_contents (int starty, unsigned char begin_line,
|
||||
unsigned char end_line)
|
||||
{
|
||||
standend ();
|
||||
|
||||
@ -411,11 +609,10 @@ void show_console_contents (int starty, unsigned char begin_line, unsigned char
|
||||
console_flag = 0;
|
||||
}
|
||||
|
||||
void handle_console (unsigned char action)
|
||||
void
|
||||
handle_console (unsigned char action)
|
||||
{
|
||||
look_for_rxvt_extensions ();
|
||||
}
|
||||
|
||||
#endif /* !defined(linux) && !defined(__linux__) && !defined(SCO_FLAVOR) */
|
||||
|
||||
|
||||
#endif /* !defined(linux) && !defined(__linux__) && !defined(SCO_FLAVOR) && !defined(__FreeBSD__) */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user