/****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
#include <curses.priv.h>
-MODULE_ID("$Id: lib_newwin.c,v 1.24 2000/04/29 18:49:51 tom Exp $")
+MODULE_ID("$Id: lib_newwin.c,v 1.40 2007/03/10 18:18:59 tom Exp $")
-void
+static WINDOW *
+remove_window_from_screen(WINDOW *win)
+{
+ SCREEN **scan = &_nc_screen_chain;
+
+ while (*scan) {
+ SCREEN *sp = *scan;
+ if (sp->_curscr == win) {
+ sp->_curscr = 0;
+#if !USE_REENTRANT
+ if (win == curscr)
+ curscr = 0;
+#endif
+ } else if (sp->_stdscr == win) {
+ sp->_stdscr = 0;
+#if !USE_REENTRANT
+ if (win == stdscr)
+ stdscr = 0;
+#endif
+ } else if (sp->_newscr == win) {
+ sp->_newscr = 0;
+#if !USE_REENTRANT
+ if (win == newscr)
+ newscr = 0;
+#endif
+ } else {
+ scan = &(*scan)->_next_screen;
+ continue;
+ }
+ break;
+ }
+
+ return 0;
+}
+
+NCURSES_EXPORT(int)
_nc_freewin(WINDOW *win)
{
WINDOWLIST *p, *q;
int i;
+ int result = ERR;
if (win != 0) {
for (p = _nc_windows, q = 0; p != 0; q = p, p = p->next) {
- if (p->win == win) {
+ if (&(p->win) == win) {
+ remove_window_from_screen(win);
if (q == 0)
_nc_windows = p->next;
else
q->next = p->next;
- free(p);
if (!(win->_flags & _SUBWIN)) {
for (i = 0; i <= win->_maxy; i++)
FreeIfNeeded(win->_line[i].text);
}
free(win->_line);
- free(win);
-
- if (win == curscr)
- curscr = 0;
- if (win == stdscr)
- stdscr = 0;
- if (win == newscr)
- newscr = 0;
+ free(p);
+ result = OK;
T(("...deleted win=%p", win));
break;
}
}
}
+ return result;
}
-WINDOW *
+NCURSES_EXPORT(WINDOW *)
newwin(int num_lines, int num_columns, int begy, int begx)
{
WINDOW *win;
- chtype *ptr;
+ NCURSES_CH_T *ptr;
int i;
T((T_CALLED("newwin(%d,%d,%d,%d)"), num_lines, num_columns, begy, begx));
if (num_columns == 0)
num_columns = screen_columns - begx;
- if (num_columns + begx > SP->_columns || num_lines + begy > SP->_lines_avail)
- returnWin(0);
-
if ((win = _nc_makenew(num_lines, num_columns, begy, begx, 0)) == 0)
returnWin(0);
for (i = 0; i < num_lines; i++) {
- win->_line[i].text = typeCalloc(chtype, (unsigned) num_columns);
+ win->_line[i].text = typeCalloc(NCURSES_CH_T, (unsigned) num_columns);
if (win->_line[i].text == 0) {
- _nc_freewin(win);
+ (void) _nc_freewin(win);
returnWin(0);
}
- for (ptr = win->_line[i].text; ptr < win->_line[i].text +
- num_columns;)
- *ptr++ = ' ';
+ for (ptr = win->_line[i].text;
+ ptr < win->_line[i].text + num_columns;
+ ptr++)
+ SetChar(*ptr, BLANK_TEXT, BLANK_ATTR);
}
- T(("newwin: returned window is %p", win));
-
returnWin(win);
}
-WINDOW *
+NCURSES_EXPORT(WINDOW *)
derwin(WINDOW *orig, int num_lines, int num_columns, int begy, int begx)
{
WINDOW *win;
int flags = _SUBWIN;
T((T_CALLED("derwin(%p,%d,%d,%d,%d)"), orig, num_lines, num_columns,
- begy, begx));
+ begy, begx));
/*
- ** make sure window fits inside the original one
+ * make sure window fits inside the original one
*/
if (begy < 0 || begx < 0 || orig == 0 || num_lines < 0 || num_columns < 0)
returnWin(0);
flags |= _ISPAD;
if ((win = _nc_makenew(num_lines, num_columns, orig->_begy + begy,
- orig->_begx + begx, flags)) == 0)
+ orig->_begx + begx, flags)) == 0)
returnWin(0);
win->_pary = begy;
win->_parx = begx;
- win->_attrs = orig->_attrs;
- win->_bkgd = orig->_bkgd;
+ WINDOW_ATTRS(win) = WINDOW_ATTRS(orig);
+ win->_nc_bkgd = orig->_nc_bkgd;
for (i = 0; i < num_lines; i++)
win->_line[i].text = &orig->_line[begy++].text[begx];
win->_parent = orig;
- T(("derwin: returned window is %p", win));
-
returnWin(win);
}
-WINDOW *
+NCURSES_EXPORT(WINDOW *)
subwin(WINDOW *w, int l, int c, int y, int x)
{
T((T_CALLED("subwin(%p, %d, %d, %d, %d)"), w, l, c, y, x));
- T(("parent has begy = %d, begx = %d", w->_begy, w->_begx));
+ T(("parent has begy = %ld, begx = %ld", (long) w->_begy, (long) w->_begx));
returnWin(derwin(w, l, c, y - w->_begy, x - w->_begx));
}
return (test == value && value > 0);
}
-WINDOW *
+NCURSES_EXPORT(WINDOW *)
_nc_makenew(int num_lines, int num_columns, int begy, int begx, int flags)
{
int i;
WINDOW *win;
bool is_pad = (flags & _ISPAD);
- T(("_nc_makenew(%d,%d,%d,%d)", num_lines, num_columns, begy, begx));
+ T((T_CALLED("_nc_makenew(%d,%d,%d,%d)"), num_lines, num_columns, begy, begx));
+
+ if (SP == 0)
+ returnWin(0);
if (!dimension_limit(num_lines) || !dimension_limit(num_columns))
- return 0;
+ returnWin(0);
if ((wp = typeCalloc(WINDOWLIST, 1)) == 0)
- return 0;
+ returnWin(0);
- if ((win = typeCalloc(WINDOW, 1)) == 0)
- return 0;
+ win = &(wp->win);
if ((win->_line = typeCalloc(struct ldat, ((unsigned) num_lines))) == 0) {
free(win);
- return 0;
+ returnWin(0);
}
win->_curx = 0;
win->_yoffset = SP->_topstolen;
win->_flags = flags;
- win->_attrs = A_NORMAL;
- win->_bkgd = BLANK;
+ WINDOW_ATTRS(win) = A_NORMAL;
+ SetChar(win->_nc_bkgd, BLANK_TEXT, BLANK_ATTR);
- win->_clear = is_pad ? FALSE : (num_lines == screen_lines && num_columns
- == screen_columns);
+ win->_clear = is_pad ? FALSE : (num_lines == screen_lines
+ && num_columns == screen_columns);
win->_idlok = FALSE;
win->_idcok = TRUE;
win->_scroll = FALSE;
}
wp->next = _nc_windows;
- wp->win = win;
_nc_windows = wp;
T((T_CREATE("window %p"), win));
- return (win);
+ returnWin(win);
}
projects / ncurses.git / blobdiff