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3.15b
/* $Id: ciolib.c,v 1.1.1.2 2018/04/24 16:42:29 root Exp $ */
/****************************************************************************
* @format.tab-size 4 (Plain Text/Source Code File Header) *
* @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) *
* *
* Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* See the GNU Lesser General Public License for more details: lgpl.txt or *
* http://www.fsf.org/copyleft/lesser.html *
* *
* Anonymous FTP access to the most recent released source is available at *
* ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net *
* *
* Anonymous CVS access to the development source and modification history *
* is available at cvs.synchro.net:/cvsroot/sbbs, example: *
* cvs -d :pserver:[email protected]:/cvsroot/sbbs login *
* (just hit return, no password is necessary) *
* cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src *
* *
* For Synchronet coding style and modification guidelines, see *
* http://www.synchro.net/source.html *
* *
* You are encouraged to submit any modifications (preferably in Unix diff *
* format) via e-mail to [email protected] *
* *
* Note: If this box doesn't appear square, then you need to fix your tabs. *
****************************************************************************/
/* Icon file! */
#ifdef __BORLANDC__
#pragma resource "ciolib.res"
/* DO NOT REMOVE THE EXTRA \r! */
#endif
#include <stdarg.h>
#include <stdlib.h> /* alloca */
#include <stdio.h>
#if defined(_WIN32)
#include <malloc.h> /* alloca() on Win32 */
#endif
#include <threadwrap.h>
#include <genwrap.h>
#include <xpbeep.h>
#define CIOLIB_NO_MACROS
#include "ciolib.h"
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
#include "sdl_con.h"
#endif
#ifdef _WIN32
#include "win32cio.h"
#else
#ifndef NO_X
#include "x_cio.h"
#endif
#include "curs_cio.h"
#undef getch
#endif
#include "bitmap_con.h"
#include "ansi_cio.h"
CIOLIBEXPORT cioapi_t cio_api;
static const int tabs[]={1,9,17,25,33,41,49,57,65,73,81,89,97,105,113,121,129,137,145};
static int ungotch;
struct text_info cio_textinfo;
static int lastmode=C80;
CIOLIBEXPORT int _wscroll=1;
CIOLIBEXPORT int directvideo=0;
CIOLIBEXPORT int hold_update=0;
CIOLIBEXPORT int puttext_can_move=0;
static int initialized=0;
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str);
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...);
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch);
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y);
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str);
CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...);
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a);
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode);
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey);
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt);
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_get_window_info(int *width, int *height, int *xpos, int *ypos);
#define CIOLIB_INIT() { if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
int try_sdl_init(int mode)
{
if(!sdl_initciolib(mode)) {
cio_api.mouse=1;
cio_api.puttext=bitmap_puttext;
cio_api.gettext=bitmap_gettext;
cio_api.gotoxy=bitmap_gotoxy;
cio_api.setcursortype=bitmap_setcursortype;
cio_api.setfont=bitmap_setfont;
cio_api.getfont=bitmap_getfont;
cio_api.loadfont=bitmap_loadfont;
cio_api.movetext=bitmap_movetext;
cio_api.clreol=bitmap_clreol;
cio_api.clrscr=bitmap_clrscr;
cio_api.getcustomcursor=bitmap_getcustomcursor;
cio_api.setcustomcursor=bitmap_setcustomcursor;
cio_api.getvideoflags=bitmap_getvideoflags;
cio_api.setvideoflags=bitmap_setvideoflags;
cio_api.kbhit=sdl_kbhit;
cio_api.getch=sdl_getch;
cio_api.textmode=sdl_textmode;
cio_api.showmouse=sdl_showmouse;
cio_api.hidemouse=sdl_hidemouse;
cio_api.setname=sdl_setname;
cio_api.seticon=sdl_seticon;
cio_api.settitle=sdl_settitle;
#ifdef _WIN32
cio_api.copytext=win32_copytext;
cio_api.getcliptext=win32_getcliptext;
#else
cio_api.copytext=sdl_copytext;
cio_api.getcliptext=sdl_getcliptext;
#endif
cio_api.get_window_info=sdl_get_window_info;
return(1);
}
return(0);
}
#endif
#ifndef _WIN32
#ifndef NO_X
int try_x_init(int mode)
{
if(!x_init()) {
cio_api.mode=CIOLIB_MODE_X;
cio_api.mouse=1;
cio_api.puttext=bitmap_puttext;
cio_api.gettext=bitmap_gettext;
cio_api.gotoxy=bitmap_gotoxy;
cio_api.setcursortype=bitmap_setcursortype;
cio_api.setfont=bitmap_setfont;
cio_api.getfont=bitmap_getfont;
cio_api.loadfont=bitmap_loadfont;
cio_api.beep=x_beep;
cio_api.movetext=bitmap_movetext;
cio_api.clreol=bitmap_clreol;
cio_api.clrscr=bitmap_clrscr;
cio_api.getcustomcursor=bitmap_getcustomcursor;
cio_api.setcustomcursor=bitmap_setcustomcursor;
cio_api.getvideoflags=bitmap_getvideoflags;
cio_api.setvideoflags=bitmap_setvideoflags;
cio_api.kbhit=x_kbhit;
cio_api.getch=x_getch;
cio_api.textmode=x_textmode;
cio_api.setname=x_setname;
cio_api.settitle=x_settitle;
cio_api.copytext=x_copytext;
cio_api.getcliptext=x_getcliptext;
cio_api.get_window_info=x_get_window_info;
return(1);
}
return(0);
}
#endif
int try_curses_init(int mode)
{
if(curs_initciolib(mode)) {
if(mode==CIOLIB_MODE_AUTO)
mode=CIOLIB_MODE_CURSES;
cio_api.mode=mode;
cio_api.puttext=curs_puttext;
cio_api.gettext=curs_gettext;
cio_api.textattr=curs_textattr;
cio_api.kbhit=curs_kbhit;
cio_api.gotoxy=curs_gotoxy;
cio_api.setcursortype=curs_setcursortype;
cio_api.getch=curs_getch;
cio_api.textmode=curs_textmode;
cio_api.showmouse=curs_showmouse;
cio_api.hidemouse=curs_hidemouse;
cio_api.suspend=curs_suspend;
cio_api.resume=curs_resume;
cio_api.beep=curs_beep;
#if defined(NCURSES_VERSION_MAJOR) || defined (__NetBSD__)
cio_api.ESCDELAY=&ESCDELAY;
#endif
return(1);
}
return(0);
}
#endif
int try_ansi_init(int mode)
{
if(ansi_initciolib(mode)) {
cio_api.mode=CIOLIB_MODE_ANSI;
cio_api.mouse=0;
cio_api.puttext=ansi_puttext;
cio_api.gettext=ansi_gettext;
cio_api.textattr=ansi_textattr;
cio_api.kbhit=ansi_kbhit;
cio_api.gotoxy=ansi_gotoxy;
cio_api.setcursortype=ansi_setcursortype;
cio_api.getch=ansi_getch;
cio_api.textmode=ansi_textmode;
cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
cio_api.beep=ansi_beep;
return(1);
}
return(0);
}
#ifdef _WIN32
#if defined(__BORLANDC__)
#pragma argsused
#endif
int try_conio_init(int mode)
{
/* This should test for something or other */
if(win32_initciolib(mode)) {
if(mode==CIOLIB_MODE_AUTO)
cio_api.mode=CIOLIB_MODE_CONIO;
else
cio_api.mode=mode; /* CIOLIB_MODE_CONIO or CIOLIB_MODE_CONIO_FULLSCREEN */
cio_api.mouse=1;
cio_api.puttext=win32_puttext;
cio_api.gettext=win32_gettext;
cio_api.kbhit=win32_kbhit;
cio_api.gotoxy=win32_gotoxy;
cio_api.setcursortype=win32_setcursortype;
cio_api.getch=win32_getch;
cio_api.textmode=win32_textmode;
cio_api.showmouse=win32_showmouse;
cio_api.hidemouse=win32_hidemouse;
cio_api.setname=win32_settitle;
cio_api.settitle=win32_settitle;
cio_api.copytext=win32_copytext;
cio_api.getcliptext=win32_getcliptext;
cio_api.suspend=win32_suspend;
cio_api.resume=win32_resume;
cio_api.getcustomcursor=win32_getcustomcursor;
cio_api.setcustomcursor=win32_setcustomcursor;
cio_api.getvideoflags=win32_getvideoflags;
return(1);
}
return(0);
}
#endif
/* Optional */
CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
{
ciolib_clrscr();
if(cio_api.suspend != NULL)
cio_api.suspend();
initialized=-1;
}
CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
{
switch(initialized) {
case 1:
return(0);
case -1:
initialized=1;
if(cio_api.resume != NULL)
cio_api.resume();
ciolib_clrscr();
return(0);
}
memset(&cio_api,0,sizeof(cio_api));
switch(mode) {
case CIOLIB_MODE_AUTO:
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
if(!try_sdl_init(CIOLIB_MODE_SDL))
#endif
#ifdef _WIN32
if(!try_conio_init(mode))
#else
#ifndef NO_X
if(!try_x_init(mode))
#endif
if(!try_curses_init(mode))
#endif
try_ansi_init(mode);
break;
#ifdef _WIN32
case CIOLIB_MODE_CONIO:
case CIOLIB_MODE_CONIO_FULLSCREEN:
try_conio_init(mode);
break;
#else
case CIOLIB_MODE_CURSES:
case CIOLIB_MODE_CURSES_IBM:
try_curses_init(mode);
break;
case CIOLIB_MODE_X:
#ifndef NO_X
try_x_init(mode);
#endif
break;
#endif
case CIOLIB_MODE_ANSI:
try_ansi_init(mode);
break;
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
case CIOLIB_MODE_SDL:
case CIOLIB_MODE_SDL_FULLSCREEN:
case CIOLIB_MODE_SDL_YUV:
case CIOLIB_MODE_SDL_YUV_FULLSCREEN:
try_sdl_init(mode);
break;
#endif
}
if(cio_api.mode==CIOLIB_MODE_AUTO) {
fprintf(stderr,"CIOLIB initialization failed!\n");
return(-1);
}
initialized=1;
cio_textinfo.winleft=1;
cio_textinfo.wintop=1;
cio_textinfo.winright=cio_textinfo.screenwidth;
cio_textinfo.winbottom=cio_textinfo.screenheight;
/* Default C64 is Lt Blue on Black (As per CGTerm) */
switch(cio_textinfo.currmode) {
case C64_40X25:
case C128_40X25:
case C128_80X25:
cio_textinfo.normattr=14;
break;
default:
cio_textinfo.normattr=LIGHTGRAY;
}
_beginthread(ciolib_mouse_thread,0,NULL);
return(0);
}
/* **MUST** be implemented */
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
{
CIOLIB_INIT();
if(ungotch)
return(1);
return(cio_api.kbhit());
}
/* **MUST** be implemented */
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
{
int ch;
CIOLIB_INIT();
if(ungotch) {
ch=ungotch;
ungotch=0;
return(ch);
}
return(cio_api.getch());
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
{
int ch;
CIOLIB_INIT();
if(ungotch) {
ch=ungotch;
ungotch=0;
ciolib_putch(ch);
return(ch);
}
if(cio_api.getche())
return(cio_api.getche());
else {
while(1) {
ch=ciolib_getch();
if(ch != 0 && ch != 0xe0) {
ciolib_putch(ch);
return(ch);
}
/* Eat extended chars - except ESC which is an abort */
if(ciolib_getch()==1)
return(EOF);
}
}
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
{
CIOLIB_INIT();
if(ungotch)
return(EOF);
if(cio_api.ungetch)
return(cio_api.ungetch(ch));
ungotch=ch;
return(ch);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
{
int width;
int height;
unsigned char *buf;
CIOLIB_INIT();
if(cio_api.movetext != NULL)
return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
width=ex-sx;
height=ey-sy;
buf=(unsigned char *)alloca((width+1)*(height+1)*2);
if(buf==NULL)
return(0);
if(!ciolib_gettext(sx,sy,ex,ey,buf))
return(0);
if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
return(0);
return(1);
}
/* Optional */
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
{
int maxlen;
int len=0;
int ch;
CIOLIB_INIT();
if(cio_api.cgets)
return(cio_api.cgets(str));
maxlen=*(unsigned char *)str;
while((ch=ciolib_getch())!='\n' && ch !='\r') {
switch(ch) {
case 0: /* Skip extended keys */
case 0xe0: /* Skip extended keys */
if(ciolib_getche()==1)
goto early_return;
break;
case '\r': /* Skip \r (ToDo: Should this be treated as a \n? */
break;
case '\b':
if(len==0) {
ciolib_putch(7);
break;
}
ciolib_putch('\b');
len--;
break;
default:
ciolib_putch(ch);
str[(len++)+2]=ch;
if(len==maxlen) {
str[len+2]=0;
*((unsigned char *)(str+1))=(unsigned char)len;
ciolib_putch('\r');
ciolib_putch('\n');
return(&str[2]);
}
break;
}
}
early_return:
str[len+2]=0;
*((unsigned char *)(str+1))=(unsigned char)len;
ciolib_putch('\r');
ciolib_putch('\n');
return(&str[2]);
}
#ifdef _MSC_VER /* Use lame vsscanf() implementation */
/* This is a way to do _vsscanf without using fancy stack tricks or using the
* "_input" method provided by Microsoft, which is no longer exported as of .NET.
* The function has a limit of 25 arguments (or less if you run out of stack space),
* but how many arguments do you need?
*/
/* From "krabsheva" - http://www.codeguru.com/Cpp/Cpp/string/comments.php/c5631/?thread=1051 */
int vsscanf( const char *buffer, const char *format, va_list arg_ptr )
{
int i, ret;
void *arg_arr[25];
/* Do exception handling in case we go too far // */
__try
{
for ( i = 0; i < 25; i++ )
arg_arr[i] = va_arg( arg_ptr, void * );
}
__except( EXCEPTION_EXECUTE_HANDLER )
{
}
/* This is lame, but the extra arguments won't be used by sscanf */
ret = sscanf( buffer, format, arg_arr[0], arg_arr[1], arg_arr[2], arg_arr[3],
arg_arr[4], arg_arr[5], arg_arr[6], arg_arr[7], arg_arr[8], arg_arr[9],
arg_arr[10], arg_arr[11], arg_arr[12], arg_arr[13], arg_arr[14],
arg_arr[15], arg_arr[16], arg_arr[17], arg_arr[18], arg_arr[19],
arg_arr[20], arg_arr[21], arg_arr[22], arg_arr[23], arg_arr[24] );
return ret;
}
#endif
/* Optional... in fact, since it's varargs, you can't override it */
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
{
char str[255];
va_list argptr;
int ret;
CIOLIB_INIT();
str[0]=-1;
va_start(argptr,format);
ret=vsscanf(ciolib_cgets(str),format,argptr);
va_end(argptr);
return(ret);
}
/* Optional */
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
{
static char pass[9];
int len=0;
int ch;
CIOLIB_INIT();
if(cio_api.getpass)
return(cio_api.getpass(prompt));
ciolib_cputs((char *)prompt);
while((ch=ciolib_getch())!='\n') {
switch(ch) {
case 0: /* Skip extended keys */
case 0xe0: /* Skip extended keys */
if(ciolib_getch()==1)
goto early_return;
break;
case '\r': /* Skip \r (ToDo: Should this be treeated as a \n? */
break;
case '\b':
if(len==0) {
ciolib_putch(7);
break;
}
len--;
break;
default:
if(len==8)
ciolib_putch(7);
else
pass[len++]=ch;
break;
}
}
early_return:
pass[len]=0;
return(pass);
}
/* TODO: Hackery here... must fix */
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
{
CIOLIB_INIT()
if(cio_api.gettextinfo) {
cio_api.gettextinfo(&cio_textinfo);
return;
}
if(info!=&cio_textinfo)
*info=cio_textinfo;
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
{
int os;
CIOLIB_INIT();
if(cio_api.wscroll!=NULL) {
cio_api.wscroll();
return;
}
if(!_wscroll)
return;
ciolib_movetext(cio_textinfo.winleft
,cio_textinfo.wintop+1
,cio_textinfo.winright
,cio_textinfo.winbottom
,cio_textinfo.winleft
,cio_textinfo.wintop);
ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
os=_wscroll;
_wscroll=0;
/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
ciolib_clreol();
_wscroll=os;
ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
{
int x;
CIOLIB_INIT();
if(cio_api.wherex) {
/* TODO: This is old hackery... beware */
x=cio_api.wherex();
x=x-cio_textinfo.winleft+1;
}
else
x=cio_textinfo.curx;
return(x);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
{
int y;
CIOLIB_INIT();
if(cio_api.wherey) {
/* TODO: This is old hackery... beware */
y=cio_api.wherey();
y=y-cio_textinfo.wintop+1;
}
else
y=cio_textinfo.cury;
return(y);
}
/* **MUST** be implemented */
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
{
CIOLIB_INIT();
if( x < 1
|| x > cio_textinfo.winright-cio_textinfo.winleft+1
|| y < 1
|| y > cio_textinfo.winbottom-cio_textinfo.wintop+1)
return;
cio_api.gotoxy(x,y);
}
/* **MUST** be implemented */
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
{
CIOLIB_INIT();
if(mode==LASTMODE) {
cio_api.textmode(lastmode);
lastmode=cio_textinfo.currmode;
}
else {
if(mode==64)
mode=C80X50;
if(mode==_ORIGMODE)
mode=C80;
lastmode=cio_textinfo.currmode;
cio_api.textmode(mode);
}
cio_textinfo.winleft=1;
cio_textinfo.wintop=1;
cio_textinfo.winright=cio_textinfo.screenwidth;
cio_textinfo.winbottom=cio_textinfo.screenheight;
switch(cio_textinfo.currmode) {
case C64_40X25:
case C128_40X25:
case C128_80X25:
cio_textinfo.normattr=14;
break;
default:
cio_textinfo.normattr=7;
}
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
{
CIOLIB_INIT();
if(cio_api.window)
cio_api.window(sx,sy,ex,ey);
if( sx < 1
|| sy < 1
|| ex < 1
|| ey < 1
|| sx > cio_textinfo.screenwidth
|| sy > cio_textinfo.screenheight
|| sx > ex
|| sy > ey
|| ex > cio_textinfo.screenwidth
|| ey > cio_textinfo.screenheight)
return;
cio_textinfo.winleft=sx;
cio_textinfo.wintop=sy;
cio_textinfo.winright=ex;
cio_textinfo.winbottom=ey;
ciolib_gotoxy(1,1);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
{
unsigned char *buf;
int i;
int width,height;
CIOLIB_INIT();
if(cio_api.clreol) {
cio_api.clreol();
return;
}
width=cio_textinfo.winright-cio_textinfo.winleft+1-cio_textinfo.curx+1;
height=1;
buf=(unsigned char *)alloca(width*height*2);
for(i=0;i<width*height*2;) {
buf[i++]=' ';
buf[i++]=cio_textinfo.attribute;
}
ciolib_puttext(
cio_textinfo.curx+cio_textinfo.winleft-1,
cio_textinfo.cury+cio_textinfo.wintop-1,
cio_textinfo.winright,
cio_textinfo.cury+cio_textinfo.wintop-1,
buf);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
{
unsigned char *buf;
int i;
int width,height;
int old_ptcm=puttext_can_move;
CIOLIB_INIT();
if(cio_api.clrscr) {
cio_api.clrscr();
return;
}
width=cio_textinfo.winright-cio_textinfo.winleft+1;
height=cio_textinfo.winbottom-cio_textinfo.wintop+1;
buf=(unsigned char *)alloca(width*height*2);
for(i=0;i<width*height*2;) {
buf[i++]=' ';
buf[i++]=cio_textinfo.attribute;
}
puttext_can_move=1;
ciolib_puttext(cio_textinfo.winleft,cio_textinfo.wintop,cio_textinfo.winright,cio_textinfo.winbottom,buf);
ciolib_gotoxy(1,1);
puttext_can_move=old_ptcm;
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void)
{
CIOLIB_INIT();
if(cio_api.delline) {
cio_api.delline();
return;
}
ciolib_movetext(cio_textinfo.winleft
,cio_textinfo.cury+1
,cio_textinfo.winright
,cio_textinfo.winbottom
,cio_textinfo.winleft
,cio_textinfo.cury);
ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
ciolib_clreol();
ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void)
{
CIOLIB_INIT();
if(cio_api.insline) {
cio_api.insline();
return;
}
ciolib_movetext(cio_textinfo.winleft,cio_textinfo.cury,cio_textinfo.winright,cio_textinfo.winbottom,cio_textinfo.winleft,cio_textinfo.cury+1);
ciolib_gotoxy(1,cio_textinfo.cury);
ciolib_clreol();
ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
}
/* Not overridable due to varargs */
CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
{
va_list argptr;
int ret;
#ifdef _MSC_VER /* Can't figure out a way to allocate a "big enough" buffer for Win32. */
char str[16384];
#else
char *str;
#ifndef HAVE_VASPRINTF
va_list argptr2;
#endif
#endif
CIOLIB_INIT();
va_start(argptr,fmat);
#ifdef HAVE_VASPRINTF
ret=vasprintf(&str, fmat, argptr);
if(ret>=0)
ciolib_cputs(str);
else
ret=EOF;
free(str);
#else
#ifdef _MSC_VER
ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
#else
#ifdef __BORLANDC__
argptr2=argptr;
#else
va_copy(argptr2, argptr);
#endif
ret=vsnprintf(NULL,0,fmat,argptr);
if(ret<0)
return(EOF);
str=(char *)alloca(ret+1);
if(str==NULL)
return(EOF);
ret=vsprintf(str,fmat,argptr2);
#endif
va_end(argptr);
#ifndef _MSC_VER
va_end(argptr2);
#endif
if(ret>=0)
ciolib_cputs(str);
else
ret=EOF;
#endif
return(ret);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str)
{
int pos;
int ret=0;
int olddmc;
CIOLIB_INIT();
if(cio_api.cputs)
return(cio_api.cputs(str));
olddmc=hold_update;
hold_update=1;
for(pos=0;str[pos];pos++)
{
ret=str[pos];
if(str[pos]=='\n')
ciolib_putch('\r');
ciolib_putch(str[pos]);
}
hold_update=olddmc;
ciolib_gotoxy(ciolib_wherex(),ciolib_wherey());
return(ret);
}
/* Optional... and overriding is silly */
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour)
{
unsigned char attr;
unsigned char col;
CIOLIB_INIT();
if(cio_api.textbackground) {
cio_api.textbackground(colour);
return;
}
attr=cio_textinfo.attribute;
attr&=143;
col=(colour & 0x07);
attr|=(col<<4);
ciolib_textattr(attr);
}
/* Optional... and overriding is silly */
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour)
{
unsigned char attr;
unsigned char col;
CIOLIB_INIT();
if(cio_api.textcolor) {
cio_api.textcolor(colour);
return;
}
attr=cio_textinfo.attribute;
attr&=240;
col=colour&0x0f;
attr|=col;
ciolib_textattr(attr);
}
/* Optional... and overriding is silly */
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void)
{
int attr;
CIOLIB_INIT();
if(cio_api.highvideo) {
cio_api.highvideo();
return;
}
attr=cio_textinfo.attribute;
attr |= 8;
ciolib_textattr(attr);
}
/* Optional... and overriding is silly */
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void)
{
int attr;
CIOLIB_INIT();
if(cio_api.lowvideo) {
cio_api.lowvideo();
return;
}
attr=cio_textinfo.attribute;
attr &= 0xf7;
ciolib_textattr(attr);
}
/* Optional... and overriding is silly */
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void)
{
CIOLIB_INIT();
if(cio_api.normvideo) {
cio_api.normvideo();
return;
}
ciolib_textattr(cio_textinfo.normattr);
}
/* **MUST** be implemented */
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e)
{
CIOLIB_INIT();
return(cio_api.puttext(a,b,c,d,e));
}
/* **MUST** be implemented */
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e)
{
CIOLIB_INIT();
return(cio_api.gettext(a,b,c,d,e));
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a)
{
CIOLIB_INIT();
if(cio_api.textattr) {
cio_api.textattr(a);
return;
}
cio_textinfo.attribute=a;
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a)
{
CIOLIB_INIT();
if(cio_api.delay) {
cio_api.delay(a);
return;
}
SLEEP(a);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a)
{
unsigned char a1=a;
unsigned char buf[2];
int i;
int old_puttext_can_move=puttext_can_move;
CIOLIB_INIT();
if(cio_api.putch)
return(cio_api.putch(a1));
puttext_can_move=1;
buf[0]=a1;
buf[1]=cio_textinfo.attribute;
switch(a1) {
case '\r':
ciolib_gotoxy(1,cio_textinfo.cury);
break;
case '\n':
if(cio_textinfo.cury==cio_textinfo.winbottom-cio_textinfo.wintop+1)
ciolib_wscroll();
else
ciolib_gotoxy(cio_textinfo.curx, cio_textinfo.cury+1);
break;
case '\b':
if(cio_textinfo.curx>1) {
ciolib_gotoxy(cio_textinfo.curx-1,cio_textinfo.cury);
buf[0]=' ';
ciolib_puttext(cio_textinfo.curx+cio_textinfo.winleft-1
,cio_textinfo.cury+cio_textinfo.wintop-1
,cio_textinfo.curx+cio_textinfo.winleft-1
,cio_textinfo.cury+cio_textinfo.wintop-1
,buf);
}
break;
case 7: /* Bell */
ciolib_beep();
break;
case '\t':
for(i=0;i<(sizeof(tabs)/sizeof(int));i++) {
if(tabs[i]>cio_textinfo.curx) {
buf[0]=' ';
while(cio_textinfo.curx<tabs[i]) {
ciolib_puttext(cio_textinfo.curx+cio_textinfo.winleft-1
,cio_textinfo.cury+cio_textinfo.wintop-1
,cio_textinfo.curx+cio_textinfo.winleft-1
,cio_textinfo.cury+cio_textinfo.wintop-1
,buf);
ciolib_gotoxy(cio_textinfo.curx+1,cio_textinfo.cury);
if(cio_textinfo.curx==cio_textinfo.screenwidth)
break;
}
break;
}
}
if(cio_textinfo.curx==cio_textinfo.screenwidth) {
ciolib_gotoxy(1,cio_textinfo.cury);
if(cio_textinfo.cury==cio_textinfo.winbottom-cio_textinfo.wintop+1)
ciolib_wscroll();
else
ciolib_gotoxy(cio_textinfo.curx, cio_textinfo.cury+1);
}
break;
default:
if(cio_textinfo.cury==cio_textinfo.winbottom-cio_textinfo.wintop+1
&& cio_textinfo.curx==cio_textinfo.winright-cio_textinfo.winleft+1) {
ciolib_puttext(ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,buf);
ciolib_wscroll();
ciolib_gotoxy(1, cio_textinfo.winbottom-cio_textinfo.wintop+1);
}
else {
if(cio_textinfo.curx==cio_textinfo.winright-cio_textinfo.winleft+1) {
ciolib_puttext(ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,buf);
ciolib_gotoxy(1,cio_textinfo.cury+1);
}
else {
ciolib_puttext(ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,ciolib_wherex()+cio_textinfo.winleft-1
,ciolib_wherey()+cio_textinfo.wintop-1
,buf);
ciolib_gotoxy(cio_textinfo.curx+1, cio_textinfo.cury);
}
}
break;
}
puttext_can_move=old_puttext_can_move;
return(a1);
}
/* **MUST** be implemented */
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a)
{
CIOLIB_INIT();
cio_api.setcursortype(a);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_showmouse(void) {
CIOLIB_INIT();
if(cio_api.showmouse!=NULL)
return(cio_api.showmouse());
return(-1);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_hidemouse(void) {
CIOLIB_INIT();
if(cio_api.hidemouse!=NULL)
return(cio_api.hidemouse());
return(-1);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_setname(const char *name) {
CIOLIB_INIT();
if(cio_api.setname!=NULL)
cio_api.setname(name);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_seticon(const void *icon, unsigned long size) {
CIOLIB_INIT();
if(cio_api.seticon!=NULL)
cio_api.seticon(icon,size);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_settitle(const char *title) {
CIOLIB_INIT();
if(cio_api.settitle!=NULL)
cio_api.settitle(title);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen)
{
CIOLIB_INIT();
if(cio_api.copytext!=NULL)
cio_api.copytext(text,buflen);
}
/* Optional */
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void)
{
CIOLIB_INIT();
if(cio_api.getcliptext!=NULL)
return(cio_api.getcliptext());
else
return(NULL);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_setfont(int font, int force, int font_num)
{
CIOLIB_INIT();
if(cio_api.setfont!=NULL)
return(cio_api.setfont(font,force,font_num));
else
return(-1);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_getfont(void)
{
CIOLIB_INIT();
if(cio_api.getfont!=NULL)
return(cio_api.getfont());
else
return(-1);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_loadfont(char *filename)
{
CIOLIB_INIT();
if(cio_api.loadfont!=NULL)
return(cio_api.loadfont(filename));
else
return(-1);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_get_window_info(int *width, int *height, int *xpos, int *ypos)
{
CIOLIB_INIT();
if(cio_api.get_window_info!=NULL)
return(cio_api.get_window_info(width,height,xpos,ypos));
else {
if(width)
*width=-1;
if(height)
*height=-1;
if(xpos)
*xpos=-1;
if(ypos)
*ypos=-1;
}
return(-1);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_beep(void)
{
if(cio_api.beep)
return(cio_api.beep());
BEEP(440,100);
return(0);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_getcustomcursor(int *start, int *end, int *range, int *blink, int *visible)
{
if(cio_api.getcustomcursor)
cio_api.getcustomcursor(start,end,range,blink,visible);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_setcustomcursor(int start, int end, int range, int blink, int visible)
{
if(cio_api.setcustomcursor)
cio_api.setcustomcursor(start,end,range,blink,visible);
}
/* Optional */
CIOLIBEXPORT void CIOLIBCALL ciolib_setvideoflags(int flags)
{
if(cio_api.setvideoflags)
cio_api.setvideoflags(flags);
}
/* Optional */
CIOLIBEXPORT int CIOLIBCALL ciolib_getvideoflags(void)
{
if(cio_api.getvideoflags)
return(cio_api.getvideoflags());
return(0);
}
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