+NCURSES_EXPORT(WINDOW *)
+NCURSES_SP_NAME(_nc_makenew) (NCURSES_SP_DCLx
+ int num_lines,
+ int num_columns,
+ int begy,
+ int begx,
+ int flags)
+{
+ int i;
+ WINDOWLIST *wp;
+ WINDOW *win;
+ bool is_padwin = (flags & _ISPAD);
+
+ T((T_CALLED("_nc_makenew(%p,%d,%d,%d,%d)"),
+ (void *) SP_PARM, num_lines, num_columns, begy, begx));
+
+ if (SP_PARM == 0)
+ returnWin(0);
+
+ if (!dimension_limit(num_lines) || !dimension_limit(num_columns))
+ returnWin(0);
+
+ if ((wp = typeCalloc(WINDOWLIST, 1)) == 0)
+ returnWin(0);
+
+ win = &(wp->win);
+
+ if ((win->_line = typeCalloc(struct ldat, ((unsigned) num_lines))) == 0) {
+ free(wp);
+ returnWin(0);
+ }
+
+ _nc_nonsp_lock_global(curses);
+
+ win->_curx = 0;
+ win->_cury = 0;
+ win->_maxy = (NCURSES_SIZE_T) (num_lines - 1);
+ win->_maxx = (NCURSES_SIZE_T) (num_columns - 1);
+ win->_begy = (NCURSES_SIZE_T) begy;
+ win->_begx = (NCURSES_SIZE_T) begx;
+ win->_yoffset = SP_PARM->_topstolen;
+
+ win->_flags = (short) flags;
+ WINDOW_ATTRS(win) = A_NORMAL;
+ SetChar(win->_nc_bkgd, BLANK_TEXT, BLANK_ATTR);
+
+ win->_clear = (is_padwin
+ ? FALSE
+ : (num_lines == screen_lines(SP_PARM)
+ && num_columns == screen_columns(SP_PARM)));
+ win->_idlok = FALSE;
+ win->_idcok = TRUE;
+ win->_scroll = FALSE;
+ win->_leaveok = FALSE;
+ win->_use_keypad = FALSE;
+ win->_delay = -1;
+ win->_immed = FALSE;
+ win->_sync = 0;
+ win->_parx = -1;
+ win->_pary = -1;
+ win->_parent = 0;
+
+ win->_regtop = 0;
+ win->_regbottom = (NCURSES_SIZE_T) (num_lines - 1);
+
+ win->_pad._pad_y = -1;
+ win->_pad._pad_x = -1;
+ win->_pad._pad_top = -1;
+ win->_pad._pad_bottom = -1;
+ win->_pad._pad_left = -1;
+ win->_pad._pad_right = -1;
+
+ for (i = 0; i < num_lines; i++) {
+ /*
+ * This used to do
+ *
+ * win->_line[i].firstchar = win->_line[i].lastchar = _NOCHANGE;
+ *
+ * which marks the whole window unchanged. That's how
+ * SVr1 curses did it, but SVr4 curses marks the whole new
+ * window changed.
+ *
+ * With the old SVr1-like code, say you have stdscr full of
+ * characters, then create a new window with newwin(),
+ * then do a printw(win, "foo ");, the trailing spaces are
+ * completely ignored by the following refreshes. So, you
+ * get "foojunkjunk" on the screen instead of "foo " as
+ * you actually intended.
+ *
+ * SVr4 doesn't do this. Instead the spaces are actually written.
+ * So that's how we want ncurses to behave.
+ */
+ win->_line[i].firstchar = 0;
+ win->_line[i].lastchar = (NCURSES_SIZE_T) (num_columns - 1);
+
+ if_USE_SCROLL_HINTS(win->_line[i].oldindex = i);
+ }
+
+ if (!is_padwin && (begx + num_columns == screen_columns(SP_PARM))) {
+ win->_flags |= _ENDLINE;
+
+ if (begx == 0 && num_lines == screen_lines(SP_PARM) && begy == 0)
+ win->_flags |= _FULLWIN;
+
+ if (begy + num_lines == screen_lines(SP_PARM))
+ win->_flags |= _SCROLLWIN;
+ }
+
+ wp->next = WindowList(SP_PARM);
+ wp->screen = SP_PARM;
+ WindowList(SP_PARM) = wp;
+
+ T((T_CREATE("window %p"), (void *) win));
+
+ _nc_nonsp_unlock_global(curses);
+ returnWin(win);
+}