mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 05:01:26 +00:00
468 lines
9.7 KiB
C
468 lines
9.7 KiB
C
/*
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sv_console.c
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ncurses console for the server
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Copyright (C) 2001 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2001/7/10
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_CURSES_H
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# include <curses.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#ifdef HAVE_TERMIOS_H
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# include <termios.h>
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#endif
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#include <signal.h>
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#include <stdlib.h>
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#include "QF/cmd.h"
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#include "QF/console.h"
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#include "QF/cvar.h"
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#include "QF/keys.h"
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#include "QF/plugin.h"
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#include "QF/qtypes.h"
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#include "QF/sys.h"
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#include "compat.h"
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extern int con_linewidth;
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#ifdef HAVE_CURSES_H
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static int use_curses = 1;
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static WINDOW *output;
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static WINDOW *status;
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static WINDOW *input;
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static int screen_x, screen_y;
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static int interrupted;
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#define MAXCMDLINE 256
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static inputline_t *input_line;
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#define BUFFER_SIZE 32768
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#define MAX_LINES 1024
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static con_buffer_t *output_buffer;
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static chtype attr_table[4] = {
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A_NORMAL,
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COLOR_PAIR(1),
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COLOR_PAIR(2),
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COLOR_PAIR(3),
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};
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static const byte attr_map[256] = {
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3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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};
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static void
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C_ExecLine (const char *line)
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{
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if (line[0] == '/')
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line++;
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Cbuf_AddText (line);
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}
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static inline void
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draw_fun_char (WINDOW *win, byte c)
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{
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chtype ch = c;
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ch = sys_char_map[ch] | attr_table[attr_map[ch]];
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waddch (win, ch);
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}
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static void
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C_DrawOutput (void)
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{
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// this is not the most efficient way to update the screen, but oh well
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int lines = screen_y - 3; // leave a blank line
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int width = screen_x;
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int cur_line = output_buffer->cur_line;
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int i, y;
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if (lines < 1)
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return;
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for (y = i = 0; y < lines; i++, y++) {
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con_line_t *l = Con_BufferLine (output_buffer, cur_line - i);
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if (!l->text) {
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i--;
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break;
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}
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y += l->len / width; // really dumb line wrap algo :)
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}
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cur_line -= i;
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y -= lines;
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wclear (output);
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wmove (output, 0, 0);
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do {
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con_line_t *l = Con_BufferLine (output_buffer, cur_line++);
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byte *text = l->text;
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int len = l->len;
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if (y > 0) {
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text += y * width;
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len -= y * width;
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y = 0;
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if (len < 1) {
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len = 1;
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text = l->text + l->len - 1;
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}
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}
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while (len--)
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draw_fun_char (output, *text++);
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} while (cur_line < output_buffer->cur_line);
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//wrefresh (stdscr);
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wrefresh (output);
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}
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static void
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C_DrawStatus (void)
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{
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wbkgdset (status, COLOR_PAIR(4));
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wclear (status);
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wrefresh (status);
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}
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static void
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C_DrawInput (inputline_t *il)
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{
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WINDOW *win = (WINDOW *) il->user_data;
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int i;
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const char *text;
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text = il->lines[il->edit_line] + il->scroll;
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wmove (win, 0, 0);
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if (il->scroll) {
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waddch (win, '<' | COLOR_PAIR (5));
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text++;
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} else {
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waddch (win, *text++);
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}
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for (i = 0; i < il->width - 2 && *text; i++) {
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chtype ch = (byte)*text++;
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ch = sys_char_map[ch] | attr_table[attr_map[ch]];
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waddch (win, ch);
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}
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while (i++ < il->width - 2) {
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waddch (win, ' ');
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}
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if (*text) {
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waddch (win, '>' | COLOR_PAIR (5));
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} else {
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waddch (win, ' ');
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}
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wmove (win, 0, il->linepos - il->scroll);
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wrefresh (win);
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}
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static void
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sigwinch (int sig)
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{
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interrupted = 1;
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signal (SIGWINCH, sigwinch);
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}
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#endif
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static void
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C_Init (void)
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{
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#ifdef HAVE_CURSES_H
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cvar_t *curses = Cvar_Get ("sv_use_curses", "1", CVAR_ROM, NULL,
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"set to 0 to disable curses server console");
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use_curses = curses->int_val;
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if (use_curses) {
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signal (SIGWINCH, sigwinch);
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initscr ();
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start_color ();
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cbreak ();
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noecho ();
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nonl ();
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intrflush (stdscr, FALSE);
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getmaxyx (stdscr, screen_y, screen_x);
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output = newwin (screen_y - 2, screen_x, 0, 0);
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status = newwin (1, screen_x, screen_y - 2, 0);
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input = newwin (1, screen_x, screen_y - 1, 0);
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init_pair (1, COLOR_YELLOW, COLOR_BLACK);
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init_pair (2, COLOR_GREEN, COLOR_BLACK);
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init_pair (3, COLOR_RED, COLOR_BLACK);
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init_pair (4, COLOR_YELLOW, COLOR_BLUE);
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init_pair (5, COLOR_CYAN, COLOR_BLACK);
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scrollok (output, TRUE);
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leaveok (output, TRUE);
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scrollok (status, FALSE);
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leaveok (status, TRUE);
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scrollok (input, FALSE);
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leaveok (input, FALSE);
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nodelay (input, TRUE);
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keypad (input, TRUE);
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wclear (output);
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wbkgdset (status, COLOR_PAIR(4));
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wclear (status);
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wclear (input);
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touchwin (stdscr);
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wrefresh (output);
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wrefresh (status);
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wrefresh (input);
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output_buffer = Con_CreateBuffer (BUFFER_SIZE, MAX_LINES);
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input_line = Con_CreateInputLine (16, MAXCMDLINE, ']');
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input_line->complete = Con_BasicCompleteCommandLine;
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input_line->enter = C_ExecLine;
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input_line->width = screen_x;
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input_line->user_data = input;
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input_line->draw = C_DrawInput;
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con_linewidth = screen_x;
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C_DrawOutput ();
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C_DrawStatus ();
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C_DrawInput (input_line);
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} else
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#endif
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setvbuf (stdout, 0, _IOLBF, BUFSIZ);
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}
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static void
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C_Shutdown (void)
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{
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#ifdef HAVE_CURSES_H
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if (use_curses)
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endwin ();
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#endif
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}
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static void
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C_Print (const char *fmt, va_list args)
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{
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static unsigned char *buffer;
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unsigned char *txt;
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int size;
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static int buffer_size;
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size = vsnprintf (buffer, buffer_size, fmt, args) + 1; // +1 for nul
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if (size > buffer_size) {
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buffer_size = (size + 1023) & ~1023; // 1k multiples
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buffer = realloc (buffer, buffer_size);
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if (!buffer)
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Sys_Error ("console: could not allocate %d bytes\n",
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buffer_size);
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vsnprintf (buffer, buffer_size, fmt, args);
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}
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txt = buffer;
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#ifdef HAVE_CURSES_H
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if (use_curses) {
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Con_BufferAddText (output_buffer, buffer);
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while (*txt)
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draw_fun_char (output, *txt++);
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wrefresh (output);
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wrefresh (input); // move the screen cursor back to the input line
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} else
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#endif
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{
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while (*txt)
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putc (sys_char_map[*txt++], stdout);
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fflush (stdout);
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}
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}
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static void
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C_ProcessInput (void)
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{
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#ifdef HAVE_CURSES_H
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if (use_curses) {
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int ch;
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if (interrupted) {
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struct winsize size;
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interrupted = 0;
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if (ioctl (fileno (stdout), TIOCGWINSZ, &size) == 0) {
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resizeterm (size.ws_row, size.ws_col);
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getmaxyx (stdscr, screen_y, screen_x);
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con_linewidth = screen_x;
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input_line->width = screen_x;
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/* while a little ugly, this is needed because ncurses auto
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* resizing doesn't always do the right thing
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*/
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wresize (input, 1, screen_x);
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mvwin (input, screen_y - 1, 0);
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wresize (status, 1, screen_x);
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mvwin (status, screen_y - 2, 0);
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wresize (output, screen_y - 2, screen_x);
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mvwin (output, 0, 0);
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wrefresh (curscr);
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C_DrawOutput ();
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C_DrawStatus ();
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// input gets drawn below in Con_ProcessInputLine
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}
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}
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ch = wgetch (input);
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switch (ch) {
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case KEY_ENTER:
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case '\n':
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case '\r':
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ch = K_RETURN;
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break;
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case '\t':
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ch = K_TAB;
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break;
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case KEY_BACKSPACE:
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case '\b':
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ch = K_BACKSPACE;
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break;
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case KEY_DC:
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ch = K_DELETE;
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break;
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case KEY_RIGHT:
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ch = K_RIGHT;
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break;
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case KEY_LEFT:
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ch = K_LEFT;
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break;
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case KEY_UP:
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ch = K_UP;
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break;
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case KEY_DOWN:
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ch = K_DOWN;
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break;
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case KEY_HOME:
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ch = K_HOME;
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break;
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case KEY_END:
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ch = K_END;
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break;
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case KEY_NPAGE:
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ch = K_PAGEDOWN;
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break;
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case KEY_PPAGE:
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ch = K_PAGEUP;
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break;
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default:
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if (ch < 0 || ch >= 256)
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ch = 0;
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}
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Con_ProcessInputLine (input_line, ch);
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} else
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#endif
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while (1) {
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const char *cmd = Sys_ConsoleInput ();
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if (!cmd)
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break;
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Cbuf_AddText (cmd);
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}
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}
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static general_funcs_t plugin_info_general_funcs = {
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C_Init,
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C_Shutdown,
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};
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static general_data_t plugin_info_general_data;
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static console_funcs_t plugin_info_console_funcs = {
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C_Print,
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C_ProcessInput,
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};
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static console_data_t plugin_info_console_data;
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static plugin_funcs_t plugin_info_funcs = {
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&plugin_info_general_funcs,
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0,
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0,
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&plugin_info_console_funcs,
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};
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static plugin_data_t plugin_info_data = {
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&plugin_info_general_data,
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0,
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0,
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&plugin_info_console_data,
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};
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static plugin_t plugin_info = {
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qfp_console,
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0,
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QFPLUGIN_VERSION,
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"0.1",
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"server console driver",
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"Copyright (C) 1996-1997 id Software, Inc.\n"
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"Copyright (C) 1999,2000,2001 contributors of the QuakeForge"
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" project\n"
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"Please see the file \"AUTHORS\" for a list of contributors",
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&plugin_info_funcs,
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&plugin_info_data,
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};
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plugin_t *
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console_server_PluginInfo (void)
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{
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return &plugin_info;
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}
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