/* ---------- SETTEXT Message ------------ */
static int SetTextMsg(WINDOW wnd, char *Buf)
{
unsigned char *tp, *ep, *ttp;
int x = 0;
int sz = 0;
int rtn;
tp = Buf;
/* --- compute the buffer size based on tabs in the text --- */
while (*tp) {
if (*tp == '\t') {
/* --- tab, adjust the buffer length --- */
int sps = cfg.Tabs - (x % cfg.Tabs);
sz += sps;
x += sps;
}
else {
/* --- not a tab, count the character --- */
sz++;
x++;
}
if (*tp == '\n')
x = 0; /* newline, reset x --- */
tp++;
}
/* --- allocate a buffer --- */
ep = DFcalloc(1, sz+1);
/* --- detab the input file --- */
tp = Buf;
ttp = ep;
x = 0;
while (*tp) {
/* --- put the character (\t, too) into the buffer --- */
x++;
/* --- expand tab into subst tab (\f + 0x80)
and expansions (\t + 0x80) --- */
if (*tp == '\t') {
*ttp++ = sTab; /* --- substitute tab character --- */
while ((x % cfg.Tabs) != 0)
*ttp++ = pTab, x++;
}
else {
*ttp++ = *tp;
if (*tp == '\n')
x = 0;
}
tp++;
}
*ttp = '\0';
rtn = BaseWndProc(EDITOR, wnd, SETTEXT, (PARAM) ep, 0);
free(ep);
return rtn;
}
int foreground, background; /* current video colors */
static void TopLine(WINDOW, int, RECT);
/* --------- create a window ------------ */
WINDOW CreateWindow(
CLASS class, /* class of this window */
char *ttl, /* title or NULL */
int left, int top, /* upper left coordinates */
int height, int width, /* dimensions */
void *extension, /* pointer to additional data */
WINDOW parent, /* parent of this window */
int (*wndproc)(struct window *,enum messages,PARAM,PARAM),
int attrib) /* window attribute */
{
WINDOW wnd = DFcalloc(1, sizeof(struct window));
get_videomode();
if (wnd != NULL) {
int base;
/* ----- height, width = -1: fill the screen ------- */
if (height == -1)
height = SCREENHEIGHT;
if (width == -1)
width = SCREENWIDTH;
/* ----- coordinates -1, -1 = center the window ---- */
if (left == -1)
wnd->rc.lf = (SCREENWIDTH-width)/2;
else
wnd->rc.lf = left;
if (top == -1)
wnd->rc.tp = (SCREENHEIGHT-height)/2;