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quakeforge/qw/source/sv_console.c

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/*
sv_console.c
ncurses console for the server
Copyright (C) 2001 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2001/7/10
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_CURSES_H
# include <curses.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include "QF/cmd.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/qtypes.h"
#include "QF/sys.h"
#include "server.h"
#ifdef HAVE_CURSES_H
static WINDOW *output;
static WINDOW *status;
static WINDOW *input;
static int screen_x, screen_y;
#define MAXCMDLINE 256
char key_lines[32][MAXCMDLINE];
int edit_line;
int history_line;
int key_linepos;
static chtype attr_table[4] = {
A_NORMAL,
COLOR_PAIR(1),
COLOR_PAIR(2),
COLOR_PAIR(3),
};
static const byte attr_map[256] = {
3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
#endif
void
Con_Init (const char *plugin_name)
{
#ifdef HAVE_CURSES_H
int i;
for (i = 0; i < 32; i++) {
key_lines[i][0] = ']';
key_lines[i][1] = 0;
}
key_linepos = 1;
initscr ();
start_color ();
cbreak ();
noecho ();
nonl ();
intrflush (stdscr, FALSE);
getmaxyx (stdscr, screen_y, screen_x);
output = subwin (stdscr, screen_y - 2, screen_x, 0, 0);
status = subwin (stdscr, 1, screen_x, screen_y - 2, 0);
input = subwin (stdscr, 1, screen_x, screen_y - 1, 0);
init_pair (1, COLOR_YELLOW, COLOR_BLACK);
init_pair (2, COLOR_GREEN, COLOR_BLACK);
init_pair (3, COLOR_RED, COLOR_BLACK);
init_pair (4, COLOR_YELLOW, COLOR_BLUE);
scrollok (output, TRUE);
leaveok (output, TRUE);
scrollok (status, FALSE);
leaveok (status, TRUE);
scrollok (input, FALSE);
nodelay (input, TRUE);
keypad (input, TRUE);
wclear (output);
wbkgdset (status, COLOR_PAIR(4));
wclear (status);
wclear (input);
touchwin (stdscr);
wrefresh (output);
wrefresh (status);
wrefresh (input);
#else
if (setvbuf (stdout, 0, _IONBF, BUFSIZ))
Con_Printf ("warning: couldn't set stdout to linebuffered.\n");
#endif
}
void
Con_Shutdown (void)
{
#ifdef HAVE_CURSES_H
endwin ();
#endif
}
void
Con_Print (const char *txt)
{
#ifdef HAVE_CURSES_H
if (output) {
chtype ch;
while ((ch = (byte)*txt++)) {
ch = sys_char_map[ch] | attr_table[attr_map[ch]];
waddch (output, ch);
}
touchwin (stdscr);
wrefresh (output);
} else {
#endif
int ch;
while ((ch = (byte)*txt++)) {
ch = sys_char_map[ch];
putchar (ch);
}
#ifdef HAVE_CURSES_H
}
#endif
}
void
Con_ProcessInput (inputline_t *il, int ch)
{
#ifdef HAVE_CURSES_H
int i;
int curs_x;
char *text = 0;
static int scroll;
ch = wgetch (input);
switch (ch) {
case KEY_ENTER:
case '\n':
case '\r':
if (key_lines[edit_line][1] == '/'
&& key_lines[edit_line][2] == '/')
goto no_lf;
else if (key_lines[edit_line][1] == '\\'
|| key_lines[edit_line][1] == '/')
Cbuf_AddText (key_lines[edit_line] + 2);
else
Cbuf_AddText (key_lines[edit_line] + 1);
Cbuf_AddText ("\n");
no_lf:
SV_Printf ("%s\n", key_lines[edit_line]);
edit_line = (edit_line + 1) & 31;
history_line = edit_line;
key_lines[edit_line][0] = ']';
key_lines[edit_line][1] = 0;
key_linepos = 1;
break;
case '\t':
Con_CompleteCommandLine();
break;
case KEY_BACKSPACE:
case '\b':
if (key_linepos > 1) {
strcpy (key_lines[edit_line] + key_linepos - 1,
key_lines[edit_line] + key_linepos);
key_linepos--;
}
break;
case KEY_DC:
if (key_linepos < strlen (key_lines[edit_line]))
strcpy (key_lines[edit_line] + key_linepos,
key_lines[edit_line] + key_linepos + 1);
break;
case KEY_RIGHT:
if (key_linepos < strlen (key_lines[edit_line]))
key_linepos++;
break;
case KEY_LEFT:
if (key_linepos > 1)
key_linepos--;
break;
case KEY_UP:
do {
history_line = (history_line - 1) & 31;
} while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line)
history_line = (edit_line + 1) & 31;
strcpy (key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen (key_lines[edit_line]);
break;
case KEY_DOWN:
if (history_line == edit_line)
break;
do {
history_line = (history_line + 1) & 31;
} while (history_line != edit_line && !key_lines[history_line][1]);
if (history_line == edit_line) {
key_lines[edit_line][0] = ']';
key_lines[edit_line][1] = 0;
key_linepos = 1;
} else {
strcpy (key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen (key_lines[edit_line]);
}
break;
case KEY_PPAGE:
break;
case KEY_NPAGE:
break;
case KEY_HOME:
key_linepos = 1;
break;
case KEY_END:
key_linepos = strlen (key_lines[edit_line]);
break;
default:
if (ch >= ' ' && ch < 127) {
i = strlen (key_lines[edit_line]);
if (i >= MAXCMDLINE - 1)
break;
// This also moves the ending \0
memmove (key_lines[edit_line] + key_linepos + 1,
key_lines[edit_line] + key_linepos,
i - key_linepos + 1);
key_lines[edit_line][key_linepos] = ch;
key_linepos++;
}
break;
}
i = key_linepos - 1;
if (scroll > i)
scroll = i;
if (scroll < i - (screen_x - 2) + 1)
scroll = i - (screen_x - 2) + 1;
text = key_lines[edit_line] + scroll + 1;
if ((int)strlen (text) < screen_x - 2) {
scroll = strlen (key_lines[edit_line] + 1) - (screen_x - 2);
if (scroll < 0)
scroll = 0;
text = key_lines[edit_line] + scroll + 1;
}
curs_x = key_linepos - scroll;
wmove (input, 0, 0);
if (scroll) {
waddch (input, '<');
} else {
waddch (input, key_lines[edit_line][0]);
}
for (i = 0; i < screen_x - 2 && *text; i++)
waddch (input, *text++);
while (i++ < screen_x - 2)
waddch (input, ' ');
if (*text) {
waddch (input, '>');
} else {
waddch (input, ' ');
}
wmove (input, 0, curs_x);
touchline (stdscr, screen_y - 1, 1);
wrefresh (input);
#else
const char *cmd;
while (1) {
cmd = Sys_ConsoleInput ();
if (!cmd)
break;
Cbuf_AddText (cmd);
}
#endif
}
#ifdef HAVE_CURSES_H
/*
Con_CompleteCommandLine
New function for tab-completion system
Added by EvilTypeGuy
Thanks to Fett erich@heintz.com
Thanks to taniwha
*/
void
Con_CompleteCommandLine (void)
{
const char *cmd = "";
char *s;
int c, v, a, i;
int cmd_len;
const char **list[3] = {0, 0, 0};
s = key_lines[edit_line] + 1;
if (*s == '\\' || *s == '/')
s++;
// Count number of possible matches
c = Cmd_CompleteCountPossible(s);
v = Cvar_CompleteCountPossible(s);
a = Cmd_CompleteAliasCountPossible(s);
if (!(c + v + a)) // No possible matches
return;
if (c + v + a == 1) {
if (c)
list[0] = Cmd_CompleteBuildList(s);
else if (v)
list[0] = Cvar_CompleteBuildList(s);
else
list[0] = Cmd_CompleteAliasBuildList(s);
cmd = *list[0];
cmd_len = strlen (cmd);
} else {
if (c)
cmd = *(list[0] = Cmd_CompleteBuildList(s));
if (v)
cmd = *(list[1] = Cvar_CompleteBuildList(s));
if (a)
cmd = *(list[2] = Cmd_CompleteAliasBuildList(s));
cmd_len = strlen (s);
do {
for (i = 0; i < 3; i++) {
char ch = cmd[cmd_len];
const char **l = list[i];
if (l) {
while (*l && (*l)[cmd_len] == ch)
l++;
if (*l)
break;
}
}
if (i == 3)
cmd_len++;
} while (i == 3);
// 'quakebar'
SV_Printf("\n\35");
for (i = 0; i < screen_x - 4; i++)
SV_Printf("\36");
SV_Printf("\37\n");
// Print Possible Commands
if (c) {
SV_Printf("%i possible command%s\n", c, (c > 1) ? "s: " : ":");
Con_DisplayList(list[0], screen_x);
}
if (v) {
SV_Printf("%i possible variable%s\n", v, (v > 1) ? "s: " : ":");
Con_DisplayList(list[1], screen_x);
}
if (a) {
SV_Printf("%i possible aliases%s\n", a, (a > 1) ? "s: " : ":");
Con_DisplayList(list[2], screen_x);
}
}
if (cmd) {
key_lines[edit_line][1] = '/';
strncpy(key_lines[edit_line] + 2, cmd, cmd_len);
key_linepos = cmd_len + 2;
if (c + v + a == 1) {
key_lines[edit_line][key_linepos] = ' ';
key_linepos++;
}
key_lines[edit_line][key_linepos] = 0;
}
for (i = 0; i < 3; i++)
if (list[i])
free (list[i]);
}
#endif
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