WINDOW *newpad(int nlines, int ncols)
{
WINDOW *win;
PDC_LOG(("newpad() - called: lines=%d cols=%d\n", nlines, ncols));
if ( !(win = PDC_makenew(nlines, ncols, -1, -1))
|| !(win = PDC_makelines(win)) )
return (WINDOW *)NULL;
werase(win);
win->_flags = _PAD;
/* save default values in case pechochar() is the first call to
prefresh(). */
save_pminrow = 0;
save_pmincol = 0;
save_sminrow = 0;
save_smincol = 0;
save_smaxrow = min(LINES, nlines) - 1;
save_smaxcol = min(COLS, ncols) - 1;
return win;
}
WINDOW *subpad(WINDOW *orig, int nlines, int ncols, int begy, int begx)
{
WINDOW *win;
int i;
int j = begy;
int k = begx;
PDC_LOG(("subpad() - called: lines=%d cols=%d begy=%d begx=%d\n",
nlines, ncols, begy, begx));
if (!orig || !(orig->_flags & _PAD))
return (WINDOW *)NULL;
/* make sure window fits inside the original one */
if ((begy < orig->_begy) || (begx < orig->_begx) ||
(begy + nlines) > (orig->_begy + orig->_maxy) ||
(begx + ncols) > (orig->_begx + orig->_maxx))
return (WINDOW *)NULL;
if (!nlines)
nlines = orig->_maxy - 1 - j;
if (!ncols)
ncols = orig->_maxx - 1 - k;
if ( !(win = PDC_makenew(nlines, ncols, begy, begx)) )
return (WINDOW *)NULL;
/* initialize window variables */
win->_attrs = orig->_attrs;
win->_leaveit = orig->_leaveit;
win->_scroll = orig->_scroll;
win->_nodelay = orig->_nodelay;
win->_use_keypad = orig->_use_keypad;
win->_parent = orig;
for (i = 0; i < nlines; i++)
win->_y[i] = (orig->_y[j++]) + k;
win->_flags = _SUBPAD;
/* save default values in case pechochar() is the first call
to prefresh(). */
save_pminrow = 0;
save_pmincol = 0;
save_sminrow = 0;
save_smincol = 0;
save_smaxrow = min(LINES, nlines) - 1;
save_smaxcol = min(COLS, ncols) - 1;
return win;
}
WINDOW *dupwin(WINDOW *win)
{
WINDOW *new_;
chtype *ptr, *ptr1;
int nlines, ncols, begy, begx, i;
if (!win)
return (WINDOW *)NULL;
nlines = win->_maxy;
ncols = win->_maxx;
begy = win->_begy;
begx = win->_begx;
if ( !(new_ = PDC_makenew(nlines, ncols, begy, begx))
|| !(new_ = PDC_makelines(new_)) )
return (WINDOW *)NULL;
/* copy the contents of win into new_ */
for (i = 0; i < nlines; i++)
{
for (ptr = new_->_y[i], ptr1 = win->_y[i];
ptr < new_->_y[i] + ncols; ptr++, ptr1++)
*ptr = *ptr1;
new_->_firstch[i] = 0;
new_->_lastch[i] = ncols - 1;
}
new_->_curx = win->_curx;
new_->_cury = win->_cury;
new_->_maxy = win->_maxy;
new_->_maxx = win->_maxx;
new_->_begy = win->_begy;
new_->_begx = win->_begx;
new_->_flags = win->_flags;
new_->_attrs = win->_attrs;
new_->_clear = win->_clear;
new_->_leaveit = win->_leaveit;
new_->_scroll = win->_scroll;
new_->_nodelay = win->_nodelay;
new_->_delayms = win->_delayms;
new_->_use_keypad = win->_use_keypad;
new_->_tmarg = win->_tmarg;
new_->_bmarg = win->_bmarg;
new_->_parx = win->_parx;
new_->_pary = win->_pary;
new_->_parent = win->_parent;
new_->_bkgd = win->_bkgd;
new_->_flags = win->_flags;
return new_;
}
WINDOW *subwin(WINDOW *orig, int nlines, int ncols, int begy, int begx)
{
WINDOW *win;
int i;
int j = begy - orig->_begy;
int k = begx - orig->_begx;
PDC_LOG(("subwin() - called: lines %d cols %d begy %d begx %d\n",
nlines, ncols, begy, begx));
/* make sure window fits inside the original one */
if (!orig || (begy < orig->_begy) || (begx < orig->_begx) ||
(begy + nlines) > (orig->_begy + orig->_maxy) ||
(begx + ncols) > (orig->_begx + orig->_maxx))
return (WINDOW *)NULL;
if (!nlines)
nlines = orig->_maxy - 1 - j;
if (!ncols)
ncols = orig->_maxx - 1 - k;
win = PDC_makenew(nlines, ncols, begy, begx);
if (!win)
return (WINDOW *)NULL;
/* initialize window variables */
win->_attrs = orig->_attrs;
win->_bkgd = orig->_bkgd;
win->_leaveit = orig->_leaveit;
win->_scroll = orig->_scroll;
win->_nodelay = orig->_nodelay;
win->_delayms = orig->_delayms;
win->_use_keypad = orig->_use_keypad;
win->_immed = orig->_immed;
win->_sync = orig->_sync;
win->_pary = j;
win->_parx = k;
win->_parent = orig;
for (i = 0; i < nlines; i++, j++)
win->_y[i] = orig->_y[j] + k;
win->_flags |= _SUBWIN;
return win;
}
WINDOW *newwin(int nlines, int ncols, int begy, int begx)
{
WINDOW *win;
PDC_LOG(("newwin() - called:lines=%d cols=%d begy=%d begx=%d\n",
nlines, ncols, begy, begx));
if (!nlines)
nlines = LINES - begy;
if (!ncols)
ncols = COLS - begx;
if ( (begy + nlines > SP->lines || begx + ncols > SP->cols)
|| !(win = PDC_makenew(nlines, ncols, begy, begx))
|| !(win = PDC_makelines(win)) )
return (WINDOW *)NULL;
werase(win);
return win;
}
WINDOW *resize_window(WINDOW *win, int nlines, int ncols)
{
WINDOW *new_;
int i, save_cury, save_curx, new_begy, new_begx;
PDC_LOG(("resize_window() - called: nlines %d ncols %d\n",
nlines, ncols));
if (!win)
return (WINDOW *)NULL;
if (win->_flags & _SUBPAD)
{
if ( !(new_ = subpad(win->_parent, nlines, ncols,
win->_begy, win->_begx)) )
return (WINDOW *)NULL;
}
else if (win->_flags & _SUBWIN)
{
if ( !(new_ = subwin(win->_parent, nlines, ncols,
win->_begy, win->_begx)) )
return (WINDOW *)NULL;
}
else
{
if (win == SP->slk_winptr)
{
new_begy = SP->lines - SP->slklines;
new_begx = 0;
}
else
{
new_begy = win->_begy;
new_begx = win->_begx;
}
if ( !(new_ = PDC_makenew(nlines, ncols, new_begy, new_begx)) )
return (WINDOW *)NULL;
}
save_curx = min(win->_curx, (new_->_maxx - 1));
save_cury = min(win->_cury, (new_->_maxy - 1));
if (!(win->_flags & (_SUBPAD|_SUBWIN)))
{
if ( !(new_ = PDC_makelines(new_)) )
return (WINDOW *)NULL;
werase(new_);
copywin(win, new_, 0, 0, 0, 0, min(win->_maxy, new_->_maxy) - 1,
min(win->_maxx, new_->_maxx) - 1, FALSE);
for (i = 0; i < win->_maxy && win->_y[i]; i++)
if (win->_y[i])
free(win->_y[i]);
}
new_->_flags = win->_flags;
new_->_attrs = win->_attrs;
new_->_clear = win->_clear;
new_->_leaveit = win->_leaveit;
new_->_scroll = win->_scroll;
new_->_nodelay = win->_nodelay;
new_->_delayms = win->_delayms;
new_->_use_keypad = win->_use_keypad;
new_->_tmarg = (win->_tmarg > new_->_maxy - 1) ? 0 : win->_tmarg;
new_->_bmarg = (win->_bmarg == win->_maxy - 1) ?
new_->_maxy - 1 : min(win->_bmarg, (new_->_maxy - 1));
new_->_parent = win->_parent;
new_->_immed = win->_immed;
new_->_sync = win->_sync;
new_->_bkgd = win->_bkgd;
new_->_curx = save_curx;
new_->_cury = save_cury;
free(win->_firstch);
free(win->_lastch);
free(win->_y);
*win = *new_;
free(new_);
return win;
}
