add the command line completion code (complete.c) and the client and server

plugins (though they're not built yet). Again, this /does not/ affect anybody
else, or shouldn't, anyway.
This commit is contained in:
Bill Currie 2001-07-16 21:39:50 +00:00
parent 104701a8c5
commit 20fdc9b9e5
4 changed files with 1001 additions and 1 deletions

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@ -3,7 +3,7 @@ INCLUDES= -I$(top_srcdir)/include
lib_LTLIBRARIES = libQFconsole.la lib_LTLIBRARIES = libQFconsole.la
common_SOURCES = console.c list.c common_SOURCES = complete.c console.c list.c
libQFconsole_la_LDFLAGS = -version-info 1:0:0 libQFconsole_la_LDFLAGS = -version-info 1:0:0
libQFconsole_la_LIBADD = libQFconsole_la_LIBADD =

554
libs/console/client.c Normal file
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/*
console.c
(description)
Copyright (C) 1996-1997 Id Software, Inc.
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
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdarg.h>
#include "QF/cmd.h"
#include "compat.h"
#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/input.h"
#include "QF/keys.h"
#include "QF/qargs.h"
#include "QF/screen.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "client.h"
int con_ormask;
console_t con_main;
console_t con_chat;
console_t *con; // point to either con_main or con_chat
int con_linewidth; // characters across screen
int con_totallines; // total lines in console scrollback
float con_cursorspeed = 4;
cvar_t *con_notifytime; // seconds
#define NUM_CON_TIMES 4
float con_times[NUM_CON_TIMES]; // realtime time the line was generated
// for transparent notify lines
int con_vislines;
int con_notifylines; // scan lines to clear for notify lines
qboolean con_debuglog;
#define MAXCMDLINE 256
extern char key_lines[32][MAXCMDLINE];
extern int edit_line;
extern int key_linepos;
qboolean con_initialized;
void
Con_ToggleConsole_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console) {
if (cls.state == ca_active)
key_dest = key_game;
} else
key_dest = key_console;
Con_ClearNotify ();
}
void
Con_ToggleChat_f (void)
{
Key_ClearTyping ();
if (key_dest == key_console) {
if (cls.state == ca_active)
key_dest = key_game;
} else
key_dest = key_console;
Con_ClearNotify ();
}
void
Con_Clear_f (void)
{
con_main.numlines = 0;
con_chat.numlines = 0;
memset (con_main.text, ' ', CON_TEXTSIZE);
memset (con_chat.text, ' ', CON_TEXTSIZE);
con_main.display = con_main.current;
}
void
Con_ClearNotify (void)
{
int i;
for (i = 0; i < NUM_CON_TIMES; i++)
con_times[i] = 0;
}
void
Con_MessageMode_f (void)
{
if (cls.state != ca_active)
return;
chat_team = false;
key_dest = key_message;
}
void
Con_MessageMode2_f (void)
{
if (cls.state != ca_active)
return;
chat_team = true;
key_dest = key_message;
}
void
Con_Resize (console_t *con)
{
int i, j, width, oldwidth, oldtotallines, numlines, numchars;
char tbuf[CON_TEXTSIZE];
width = (vid.width >> 3) - 2;
if (width == con_linewidth)
return;
if (width < 1) { // video hasn't been initialized yet
width = 38;
con_linewidth = width;
con_totallines = CON_TEXTSIZE / con_linewidth;
memset (con->text, ' ', CON_TEXTSIZE);
} else {
oldwidth = con_linewidth;
con_linewidth = width;
oldtotallines = con_totallines;
con_totallines = CON_TEXTSIZE / con_linewidth;
numlines = oldtotallines;
if (con_totallines < numlines)
numlines = con_totallines;
numchars = oldwidth;
if (con_linewidth < numchars)
numchars = con_linewidth;
memcpy (tbuf, con->text, CON_TEXTSIZE);
memset (con->text, ' ', CON_TEXTSIZE);
for (i = 0; i < numlines; i++) {
for (j = 0; j < numchars; j++) {
con->text[(con_totallines - 1 - i) * con_linewidth + j] =
tbuf[((con->current - i + oldtotallines) %
oldtotallines) * oldwidth + j];
}
}
Con_ClearNotify ();
}
con->current = con_totallines - 1;
con->display = con->current;
}
/*
Con_CheckResize
If the line width has changed, reformat the buffer.
*/
void
Con_CheckResize (void)
{
Con_Resize (&con_main);
Con_Resize (&con_chat);
}
void
Con_Init (void)
{
con_debuglog = COM_CheckParm ("-condebug");
con = &con_main;
con_linewidth = -1;
Con_CheckResize ();
Con_Printf ("Console initialized.\n");
// register our commands
Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f,
"Toggle the console up and down");
Cmd_AddCommand ("togglechat", Con_ToggleChat_f,
"Toggle the console up and down");
Cmd_AddCommand ("messagemode", Con_MessageMode_f,
"Prompt to send a message to everyone");
Cmd_AddCommand ("messagemode2", Con_MessageMode2_f,
"Prompt to send a message to only people on your team");
Cmd_AddCommand ("clear", Con_Clear_f, "Clear the console");
con_initialized = true;
}
void
Con_Init_Cvars (void)
{
con_notifytime =
Cvar_Get ("con_notifytime", "3", CVAR_NONE, NULL,
"How long in seconds messages are displayed on screen");
}
void
Con_Linefeed (void)
{
con->x = 0;
if (con->display == con->current)
con->display++;
con->current++;
if (con->numlines < con_totallines)
con->numlines++;
memset (&con->text[(con->current % con_totallines) * con_linewidth],
' ', con_linewidth);
}
/*
Con_Print
Handles cursor positioning, line wrapping, etc
All console printing must go through this in order to be logged to disk
If no console is visible, the notify window will pop up.
*/
void
Con_Print (char *txt)
{
int y;
int c, l;
static int cr;
int mask;
// echo to debugging console
Sys_Printf ("%s", txt);
// log all messages to file
if (con_debuglog)
Sys_DebugLog (va ("%s/qconsole.log", com_gamedir), "%s", txt);
if (!con_initialized)
return;
if (txt[0] == 1 || txt[0] == 2) {
mask = 128; // go to colored text
txt++;
} else
mask = 0;
while ((c = *txt)) {
// count word length
for (l = 0; l < con_linewidth; l++)
if (txt[l] <= ' ')
break;
// word wrap
if (l != con_linewidth && (con->x + l > con_linewidth))
con->x = 0;
txt++;
if (cr) {
con->current--;
cr = false;
}
if (!con->x) {
Con_Linefeed ();
// mark time for transparent overlay
if (con->current >= 0)
con_times[con->current % NUM_CON_TIMES] = realtime;
}
switch (c) {
case '\n':
con->x = 0;
break;
case '\r':
con->x = 0;
cr = 1;
break;
default: // display character and advance
y = con->current % con_totallines;
con->text[y * con_linewidth + con->x] = c | mask | con_ormask;
con->x++;
if (con->x >= con_linewidth)
con->x = 0;
break;
}
}
}
/*
DRAWING
*/
/*
Con_DrawInput
The input line scrolls horizontally if typing goes beyond the right edge
*/
void
Con_DrawInput (void)
{
int y;
int i;
char *text;
char temp[MAXCMDLINE];
if (key_dest != key_console && cls.state == ca_active)
return; // don't draw anything (always draw if not active)
text = strcpy (temp, key_lines[edit_line]);
// fill out remainder with spaces
for (i = strlen (text); i < MAXCMDLINE; i++)
text[i] = ' ';
// add the cursor frame
if ((int) (realtime * con_cursorspeed) & 1)
text[key_linepos] = 11;
// prestep if horizontally scrolling
if (key_linepos >= con_linewidth)
text += 1 + key_linepos - con_linewidth;
// draw it
y = con_vislines - 22;
for (i = 0; i < con_linewidth; i++)
Draw_Character8 ((i + 1) << 3, con_vislines - 22, text[i]);
}
/*
Con_DrawNotify
Draws the last few lines of output transparently over the game top
*/
void
Con_DrawNotify (void)
{
int x, v;
char *text;
int i;
float time;
char *s;
int skip;
v = 0;
for (i = con->current - NUM_CON_TIMES + 1; i <= con->current; i++) {
if (i < 0)
continue;
time = con_times[i % NUM_CON_TIMES];
if (time == 0)
continue;
time = realtime - time;
if (time > con_notifytime->value)
continue;
text = con->text + (i % con_totallines) * con_linewidth;
clearnotify = 0;
scr_copytop = 1;
for (x = 0; x < con_linewidth; x++)
Draw_Character8 ((x + 1) << 3, v, text[x]);
v += 8;
}
if (key_dest == key_message) {
clearnotify = 0;
scr_copytop = 1;
if (chat_team) {
Draw_String8 (8, v, "say_team:");
skip = 11;
} else {
Draw_String8 (8, v, "say:");
skip = 5;
}
s = chat_buffer;
if (chat_bufferlen > (vid.width >> 3) - (skip + 1))
s += chat_bufferlen - ((vid.width >> 3) - (skip + 1));
x = 0;
while (s[x]) {
Draw_Character8 ((x + skip) << 3, v, s[x]);
x++;
}
Draw_Character8 ((x + skip) << 3, v,
10 + ((int) (realtime * con_cursorspeed) & 1));
v += 8;
}
if (v > con_notifylines)
con_notifylines = v;
}
/*
Con_DrawConsole
Draws the console with the solid background
*/
void
Con_DrawConsole (int lines)
{
int i, x, y;
int rows;
char *text;
int row;
if (lines <= 0)
return;
// draw the background
Draw_ConsoleBackground (lines);
// draw the text
con_vislines = lines;
// changed to line things up better
rows = (lines - 22) >> 3; // rows of text to draw
y = lines - 30;
// draw from the bottom up
if (con->display != con->current) {
// draw arrows to show the buffer is backscrolled
for (x = 0; x < con_linewidth; x += 4)
Draw_Character8 ((x + 1) << 3, y, '^');
y -= 8;
rows--;
}
row = con->display;
for (i = 0; i < rows; i++, y -= 8, row--) {
if (row < 0)
break;
if (con->current - row >= con_totallines)
break; // past scrollback wrap point
text = con->text + (row % con_totallines) * con_linewidth;
for (x = 0; x < con_linewidth; x++)
Draw_Character8 ((x + 1) << 3, y, text[x]);
}
// draw the input prompt, user text, and cursor if desired
Con_DrawInput ();
}
void
Con_DrawDownload (int lines)
{
int i, j, x, y, n;
char *text;
char dlbar[1024];
if (!cls.download)
return;
text = COM_SkipPath(cls.downloadname);
x = con_linewidth - ((con_linewidth * 7) / 40);
y = x - strlen (text) - 8;
i = con_linewidth / 3;
if (strlen (text) > i) {
y = x - i - 11;
strncpy (dlbar, text, i);
dlbar[i] = 0;
strncat (dlbar, "...", sizeof (dlbar) - strlen (dlbar));
} else
strncpy (dlbar, text, sizeof (dlbar));
strncat (dlbar, ": ", sizeof (dlbar) - strlen (dlbar));
i = strlen (dlbar);
dlbar[i++] = '\x80';
// where's the dot go?
if (cls.downloadpercent == 0)
n = 0;
else
n = y * cls.downloadpercent / 100;
for (j = 0; j < y; j++)
if (j == n)
dlbar[i++] = '\x83';
else
dlbar[i++] = '\x81';
dlbar[i++] = '\x82';
dlbar[i] = 0;
snprintf (dlbar + strlen (dlbar), sizeof (dlbar) - strlen (dlbar),
" %02d%%", cls.downloadpercent);
// draw it
y = lines - 22 + 8;
for (i = 0; i < strlen (dlbar); i++)
Draw_Character8 ((i + 1) << 3, y, dlbar[i]);
}

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libs/console/complete.c Normal file
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/*
complete.c
command completion
Copyright (C) 1996-1997 Id Software, Inc.
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
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "QF/cmd.h"
#include "QF/console.h"
#include "QF/cvar.h"
//FIXME eww
#define MAXCMDLINE 256
extern char key_lines[32][MAXCMDLINE];
extern int edit_line;
extern int key_linepos;
extern int con_linewidth;
/*
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'
Con_Printf("\n\35");
for (i = 0; i < con_linewidth - 4; i++)
Con_Printf("\36");
Con_Printf("\37\n");
// Print Possible Commands
if (c) {
Con_Printf("%i possible command%s\n", c, (c > 1) ? "s: " : ":");
Con_DisplayList(list[0], con_linewidth);
}
if (v) {
Con_Printf("%i possible variable%s\n", v, (v > 1) ? "s: " : ":");
Con_DisplayList(list[1], con_linewidth);
}
if (a) {
Con_Printf("%i possible aliases%s\n", a, (a > 1) ? "s: " : ":");
Con_DisplayList(list[2], con_linewidth);
}
}
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]);
}

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libs/console/server.c Normal file
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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"
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,
};
void
Con_Init (void)
{
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);
}
void
Con_Shutdown (void)
{
endwin ();
}
void
Con_Print (char *txt)
{
chtype ch;
while ((ch = *txt++)) {
ch = sys_char_map[ch] | attr_table[attr_map[ch]];
waddch (output, ch);
}
touchwin (stdscr);
wrefresh (output);
}
void
Con_ProcessInput (void)
{
int ch = wgetch (input);
int i;
int curs_x;
char *text = 0;
static int scroll;
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:
Con_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:
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);
}