int amx_fflush(void)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL && IsWindow(con->hwnd))
UpdateWindow(con->hwnd);
return 1;
}
TCHAR *amx_gets(TCHAR *string,int size)
{
int c=-1,num=0;
if (ActiveConsole()!=NULL) {
while (num+1<size && !(c==__T('\r') || c==__T('\n'))) {
c=amx_getch();
if (c<0)
break;
if (c==__T('\r'))
c=__T('\n'); /* translate carriage return to newline */
if (c==__T('\b')) {
if (num>0)
string[--num]=__T(' ');
} else {
string[num++]=(TCHAR)c;
} /* if */
amx_putchar(c); /* echo the character read */
} /* while */
if (num<size)
string[num]=__T('\0');
return string;
} /* if */
return 0;
}
int amx_termctl(int cmd,int value)
{
switch (cmd) {
case 0:
return 1; /* simple "is terminal support available" check */
case 1: {
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
con->autowrap=(BOOL)value;
return 1;
} /* if */
return 0;
} /* case */
case 2: {
HWND hconsole=GetConsoleByIndex(value);
while (hconsole==NULL) {
CreateConsole(NULL,HWND_DESKTOP,DEFCOLUMNS,DEFWINLINES,DEFBUFFERLINES,DEFFONTHEIGHT,0);
hconsole=GetConsoleByIndex(value);
} /* while */
return SetActiveConsole(hconsole);
} /* case */
case 3: {
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
con->boldfont=(BOOL)value;
SetConsoleFont(con,con->cheight);
return 1;
} /* if */
return 0;
} /* case */
case 4: {
MSG msg;
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
} /* while */
return (GetConsoleByIndex(value)!=NULL);
} /* case */
default:
return 0;
} /* switch */
}
int amx_kbhit(void)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL)
return con->keyq_start!=con->keyq_end;
return 0;
}
void amx_wherexy(int *x,int *y)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
if (x!=NULL)
*x=con->csrx+1;
if (y!=NULL)
*y=con->csry+1;
} /* if */
}
void amx_gotoxy(int x,int y)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
if (x>0 && x<=con->columns)
con->csrx=x-1;
if (y>0 && y<=con->lines)
con->csry=y-1;
RefreshScreen(con,0,0);
} /* if */
}
int amx_getch(void)
{
CONSOLE *con;
int c=-1;
if ((con=ActiveConsole())!=NULL) {
while (con->keyq_start==con->keyq_end)
ProcessMessages();
c=con->keyqueue[con->keyq_start];
con->keyq_start=(con->keyq_start+1)%KEYQUEUE_SIZE;
} /* if */
return c;
}
int amx_putchar(int c)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
if (con->csry<con->lines && con->csrx<con->columns) {
int pos=(con->csry*con->columns+con->csrx)*2;
assert(con->buffer!=NULL);
if (c==__T('\r')) {
con->csrx=0;
} else if (c==__T('\n')) {
con->csrx=0;
con->csry++;
if (con->csry>=con->lines)
ScrollScreen(con,0,1);
} else if (c==__T('\b')) {
if (con->csrx>0) {
con->csrx--;
pos-=2;
con->buffer[pos]=__T(' ');
con->buffer[pos+1]=con->attrib;
} /* if */
} else if (c==__T('\t')) {
while (con->csrx % 8!=0 && con->csrx<con->columns) {
con->buffer[pos]=' ';
con->buffer[pos+1]=con->attrib;
con->csrx+=1;
if (con->csrx>=con->columns && con->autowrap) {
con->csrx=0;
con->csry++;
if (con->csry>=con->lines)
ScrollScreen(con,0,1);
} /* if */
} /* while */
} else {
con->buffer[pos]=(TCHAR)c;
con->buffer[pos+1]=con->attrib;
con->csrx+=1;
if (con->csrx>=con->columns && con->autowrap) {
con->csrx=0;
con->csry++;
if (con->csry>=con->lines)
ScrollScreen(con,0,1);
} /* if */
} /* if */
RefreshScreen(con,con->csry,con->csry+1);
} /* if */
} /* if */
return 1;
}
void amx_clreol(void)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
int i;
int size=(con->columns-con->csrx)*2;
int pos=(con->csry*con->columns+con->csrx)*2;
assert(con->buffer!=NULL);
for (i=0; i<size; i+=2) {
con->buffer[pos+i]=__T(' ');
con->buffer[pos+i+1]=con->attrib;
} /* for */
RefreshScreen(con,con->csry,con->csry+1);
} /* if */
}
void amx_clrscr(void)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
int i;
int size=con->lines*con->columns*2;
assert(con->buffer!=NULL);
for (i=0; i<size; i+=2) {
con->buffer[i]=__T(' ');
con->buffer[i+1]=con->attrib;
} /* for */
con->csrx=con->csry=0;
RefreshScreen(con,0,con->lines);
} /* if */
}
int amx_putstr(const TCHAR *string)
{
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
int pos, i;
int top=con->csry;
pos=(con->csry*con->columns+con->csrx)*2;
assert(con->buffer!=NULL);
for (i=0; string[i]!=__T('\0'); i++) {
if (con->csry<con->lines && con->csrx<con->columns) {
if (string[i]==__T('\r')) {
con->csrx=0;
pos=(con->csry*con->columns+con->csrx)*2;
} else if (string[i]==__T('\n')) {
con->csrx=0;
con->csry++;
if (con->csry>=con->lines)
ScrollScreen(con,0,1);
pos=(con->csry*con->columns+con->csrx)*2;
} else if (string[i]==__T('\b')) {
if (con->csrx>0) {
con->csrx--;
pos-=2;
con->buffer[pos]=__T(' ');
con->buffer[pos+1]=con->attrib;
} /* if */
} else {
con->buffer[pos]=string[i];
con->buffer[pos+1]=con->attrib;
pos+=2;
con->csrx+=1;
if (con->csrx>=con->columns && con->autowrap) {
con->csrx=0;
con->csry++;
if (con->csry>=con->lines)
ScrollScreen(con,0,1);
pos=(con->csry*con->columns+con->csrx)*2;
} /* if */
} /* if */
} /* if */
} /* for */
RefreshScreen(con,top,con->csry+1);
} /* if */
return 0;
}
int amx_getch(void)
{
CONSOLE *con;
int c=-1;
if ((con=ActiveConsole())!=NULL) {
MSG msg;
while (con->keyq_start==con->keyq_end) {
while (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
} /* while */
} /* while */
c=con->keyqueue[con->keyq_start];
con->keyq_start=(con->keyq_start+1)%KEYQUEUE_SIZE;
} /* if */
return c;
}
unsigned int amx_setattr(int foregr,int backgr,int highlight)
{
int prev=0;
CONSOLE *con;
if ((con=ActiveConsole())!=NULL) {
int f,b,h;
f=con->attrib & 0x07;
b=(con->attrib >> 4) & 0x0f;
h=(con->attrib & 0x08) ? 1 : 0;
prev=(b << 8) | f | (h << 15);
if (foregr>=0 && foregr<8)
f=foregr;
if (backgr>=0 && backgr<8)
b=backgr;
if (highlight>=0)
h=highlight!=0;
con->attrib=(TCHAR)((b << 4) | f | (h << 3));
} /* if */
