static unsigned long
hs_hash(const void *object, unsigned long seed)
{
const ck_key_t *c = object;
unsigned long h;
h = (unsigned long)__hash((const char *)c, c->len, seed);
return h;
}
WINDOW *
__newwin(SCREEN *screen, int nlines, int ncols, int by, int bx, int ispad)
{
WINDOW *win;
__LINE *lp;
int i, j;
int maxy, maxx;
__LDATA *sp;
if (by < 0 || bx < 0)
return (NULL);
maxy = nlines > 0 ? nlines : LINES - by + nlines;
maxx = ncols > 0 ? ncols : COLS - bx + ncols;
if ((win = __makenew(screen, maxy, maxx, by, bx, 0, ispad)) == NULL)
return (NULL);
win->bch = ' ';
if (__using_color)
win->battr = __default_color;
else
win->battr = 0;
win->nextp = win;
win->ch_off = 0;
win->orig = NULL;
win->reqy = nlines;
win->reqx = ncols;
#ifdef DEBUG
__CTRACE(__CTRACE_WINDOW, "newwin: win->ch_off = %d\n", win->ch_off);
#endif
for (i = 0; i < maxy; i++) {
lp = win->alines[i];
if (ispad)
lp->flags = __ISDIRTY;
else
lp->flags = 0;
for (sp = lp->line, j = 0; j < maxx; j++, sp++) {
sp->attr = 0;
#ifndef HAVE_WCHAR
sp->ch = win->bch;
#else
sp->ch = ( wchar_t )btowc(( int ) win->bch );
sp->nsp = NULL;
SET_WCOL( *sp, 1 );
#endif /* HAVE_WCHAR */
}
lp->hash = __hash((char *)(void *)lp->line,
(size_t) (ncols * __LDATASIZE));
}
return (win);
}
/*
* This code is shared with mvwin().
*/
void
__set_subwin(WINDOW *orig, WINDOW *win)
{
int i;
__LINE *lp, *olp;
#ifdef HAVE_WCHAR
__LDATA *cp;
int j;
nschar_t *np;
#endif /* HAVE_WCHAR */
win->ch_off = win->begx - orig->begx;
/* Point line pointers to line space. */
for (lp = win->lspace, i = 0; i < win->maxy; i++, lp++) {
win->alines[i] = lp;
olp = orig->alines[i + win->begy - orig->begy];
#ifdef DEBUG
lp->sentinel = SENTINEL_VALUE;
#endif
lp->line = &olp->line[win->ch_off];
lp->firstchp = &olp->firstch;
lp->lastchp = &olp->lastch;
#ifndef HAVE_WCHAR
lp->hash = __hash((char *)(void *)lp->line,
(size_t) (win->maxx * __LDATASIZE));
#else
for ( cp = lp->line, j = 0; j < win->maxx; j++, cp++ ) {
lp->hash = __hash_more( &cp->ch,
sizeof( wchar_t ), lp->hash );
lp->hash = __hash_more( &cp->attr,
sizeof( wchar_t ), lp->hash );
if ( cp->nsp ) {
np = cp->nsp;
while ( np ) {
lp->hash = __hash_more( &np->ch,
sizeof( wchar_t ), lp->hash );
np = np->next;
}
}
}
#endif /* HAVE_WCHAR */
}
#ifdef DEBUG
__CTRACE(__CTRACE_WINDOW, "__set_subwin: win->ch_off = %d\n",
win->ch_off);
#endif
}
uint32_t mtev_hash__hash(const char *k, uint32_t length, uint32_t initval) {
return __hash(k,length,initval);
}
/*
* __resizewin --
* Resize the given window.
*/
static int
__resizewin(WINDOW *win, int nlines, int ncols)
{
__LINE *lp, *olp, **newlines, *newlspace;
__LDATA *sp;
__LDATA *newwspace;
int i, j;
int y, x;
WINDOW *swin;
#ifdef DEBUG
__CTRACE(__CTRACE_WINDOW, "resize: (%p, %d, %d)\n", win, nlines, ncols);
__CTRACE(__CTRACE_WINDOW, "resize: win->wattr = %08x\n", win->wattr);
__CTRACE(__CTRACE_WINDOW, "resize: win->flags = %#.4x\n", win->flags);
__CTRACE(__CTRACE_WINDOW, "resize: win->maxy = %d\n", win->maxy);
__CTRACE(__CTRACE_WINDOW, "resize: win->maxx = %d\n", win->maxx);
__CTRACE(__CTRACE_WINDOW, "resize: win->begy = %d\n", win->begy);
__CTRACE(__CTRACE_WINDOW, "resize: win->begx = %d\n", win->begx);
__CTRACE(__CTRACE_WINDOW, "resize: win->scr_t = %d\n", win->scr_t);
__CTRACE(__CTRACE_WINDOW, "resize: win->scr_b = %d\n", win->scr_b);
#endif
/*
* free up any non-spacing storage before we lose the
* pointers...
*/
#ifdef HAVE_WCHAR
__cursesi_win_free_nsp(win);
#endif
if (nlines <= 0 || ncols <= 0)
nlines = ncols = 0;
else {
/* Reallocate line pointer array and line space. */
newlines = realloc(win->alines, nlines * sizeof(__LINE *));
if (newlines == NULL)
return ERR;
win->alines = newlines;
newlspace = realloc(win->lspace, nlines * sizeof(__LINE));
if (newlspace == NULL)
return ERR;
win->lspace = newlspace;
}
/* Don't allocate window and line space if it's a subwindow */
if (win->orig == NULL) {
/*
* Allocate window space in one chunk.
*/
if (ncols != 0) {
newwspace = realloc(win->wspace,
ncols * nlines * sizeof(__LDATA));
if (newwspace == NULL)
return ERR;
win->wspace = newwspace;
}
/*
* Point line pointers to line space, and lines themselves into
* window space.
*/
for (lp = win->lspace, i = 0; i < nlines; i++, lp++) {
win->alines[i] = lp;
lp->line = &win->wspace[i * ncols];
#ifdef DEBUG
lp->sentinel = SENTINEL_VALUE;
#endif
lp->firstchp = &lp->firstch;
lp->lastchp = &lp->lastch;
lp->firstch = 0;
lp->lastch = ncols - 1;
lp->flags = __ISDIRTY;
}
} else {
win->ch_off = win->begx - win->orig->begx;
/* Point line pointers to line space. */
for (lp = win->lspace, i = 0; i < nlines; i++, lp++) {
win->alines[i] = lp;
olp = win->orig->alines[i + win->begy - win->orig->begy];
lp->line = &olp->line[win->ch_off];
#ifdef DEBUG
lp->sentinel = SENTINEL_VALUE;
#endif
lp->firstchp = &olp->firstch;
lp->lastchp = &olp->lastch;
lp->flags = __ISDIRTY;
}
}
win->cury = win->curx = 0;
win->maxy = nlines;
win->maxx = ncols;
win->scr_b = win->maxy - 1;
__swflags(win);
/*
* we must zot the window contents otherwise lines may pick
* up attributes from the previous line when the window is
* made smaller. The client will redraw the window anyway
* so this is no big deal.
*/
for (i = 0; i < win->maxy; i++) {
lp = win->alines[i];
for (sp = lp->line, j = 0; j < win->maxx; j++, sp++) {
sp->attr = 0;
#ifndef HAVE_WCHAR
sp->ch = win->bch;
#else
sp->ch = ( wchar_t )btowc(( int ) win->bch );
sp->nsp = NULL;
if (_cursesi_copy_nsp(win->bnsp, sp) == ERR)
return ERR;
SET_WCOL( *sp, 1 );
#endif /* HAVE_WCHAR */
}
lp->hash = __hash((char *)(void *)lp->line,
(size_t) (ncols * __LDATASIZE));
}
#ifdef DEBUG
__CTRACE(__CTRACE_WINDOW, "resize: win->wattr = %08x\n", win->wattr);
__CTRACE(__CTRACE_WINDOW, "resize: win->flags = %#.4x\n", win->flags);
__CTRACE(__CTRACE_WINDOW, "resize: win->maxy = %d\n", win->maxy);
__CTRACE(__CTRACE_WINDOW, "resize: win->maxx = %d\n", win->maxx);
__CTRACE(__CTRACE_WINDOW, "resize: win->begy = %d\n", win->begy);
__CTRACE(__CTRACE_WINDOW, "resize: win->begx = %d\n", win->begx);
__CTRACE(__CTRACE_WINDOW, "resize: win->scr_t = %d\n", win->scr_t);
__CTRACE(__CTRACE_WINDOW, "resize: win->scr_b = %d\n", win->scr_b);
#endif
if (win->orig == NULL) {
/* bound subwindows to new size and fixup their pointers */
for (swin = win->nextp; swin != win; swin = swin->nextp) {
y = swin->reqy;
if (swin->begy > win->begy + win->maxy)
swin->begy = win->begy + win->maxy - 1;
if (swin->begy + y > win->begy + win->maxy)
y = 0;
if (y <= 0)
y += win->begy + win->maxy - swin->begy;
if (y < 1)
y = 1;
x = swin->reqx;
if (swin->begx > win->begx + win->maxx)
swin->begx = win->begx + win->maxx - 1;
if (swin->begx + x > win->begx + win->maxx)
x = 0;
if (x <= 0)
x += win->begy + win->maxx - swin->begx;
if (x < 1)
x = 1;
__resizewin(swin, y, x);
}
}
return OK;
}
