diff options
Diffstat (limited to 'contrib/ncurses/ncurses/base/resizeterm.c')
| -rw-r--r-- | contrib/ncurses/ncurses/base/resizeterm.c | 117 |
1 files changed, 60 insertions, 57 deletions
diff --git a/contrib/ncurses/ncurses/base/resizeterm.c b/contrib/ncurses/ncurses/base/resizeterm.c index 8603550..303aa5e 100644 --- a/contrib/ncurses/ncurses/base/resizeterm.c +++ b/contrib/ncurses/ncurses/base/resizeterm.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998,2000 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 * @@ -41,7 +41,7 @@ #include <curses.priv.h> #include <term.h> -MODULE_ID("$Id: resizeterm.c,v 1.7 1998/09/19 19:27:43 Alexander.V.Lukyanov Exp $") +MODULE_ID("$Id: resizeterm.c,v 1.9 2000/12/10 02:43:28 tom Exp $") /* * This function reallocates NCURSES window structures. It is invoked in @@ -51,71 +51,74 @@ MODULE_ID("$Id: resizeterm.c,v 1.7 1998/09/19 19:27:43 Alexander.V.Lukyanov Exp * Because this performs memory allocation, it should not (in general) be * invoked directly from the signal handler. */ -int +NCURSES_EXPORT(int) resizeterm(int ToLines, int ToCols) { - int stolen = screen_lines - SP->_lines_avail; - int bottom = screen_lines + SP->_topstolen - stolen; + int stolen = screen_lines - SP->_lines_avail; + int bottom = screen_lines + SP->_topstolen - stolen; - T((T_CALLED("resizeterm(%d,%d) old(%d,%d)"), - ToLines, ToCols, - screen_lines, screen_columns)); + T((T_CALLED("resizeterm(%d,%d) old(%d,%d)"), + ToLines, ToCols, + screen_lines, screen_columns)); - SP->_sig_winch = FALSE; + SP->_sig_winch = FALSE; - if (ToLines != screen_lines - || ToCols != screen_columns) { - WINDOWLIST *wp; + if (ToLines != screen_lines + || ToCols != screen_columns) { + WINDOWLIST *wp; #if USE_SIGWINCH - ungetch(KEY_RESIZE); /* so application can know this */ - clearok(curscr, TRUE); /* screen contents are unknown */ + ungetch(KEY_RESIZE); /* so application can know this */ + clearok(curscr, TRUE); /* screen contents are unknown */ #endif - for (wp = _nc_windows; wp != 0; wp = wp->next) { - WINDOW *win = wp->win; - int myLines = win->_maxy + 1; - int myCols = win->_maxx + 1; - - /* pads aren't treated this way */ - if (win->_flags & _ISPAD) - continue; - - if (win->_begy >= bottom) { - win->_begy += (ToLines - screen_lines); - } else { - if (myLines == screen_lines - stolen - && ToLines != screen_lines) - myLines = ToLines - stolen; - else - if (myLines == screen_lines - && ToLines != screen_lines) - myLines = ToLines; - } - - if (myCols == screen_columns - && ToCols != screen_columns) - myCols = ToCols; - - if (wresize(win, myLines, myCols) != OK) - returnCode(ERR); - } - - screen_lines = lines = ToLines; - screen_columns = columns = ToCols; - - SP->_lines_avail = lines - stolen; - - if (SP->oldhash) { FreeAndNull(SP->oldhash); } - if (SP->newhash) { FreeAndNull(SP->newhash); } + for (wp = _nc_windows; wp != 0; wp = wp->next) { + WINDOW *win = wp->win; + int myLines = win->_maxy + 1; + int myCols = win->_maxx + 1; + + /* pads aren't treated this way */ + if (win->_flags & _ISPAD) + continue; + + if (win->_begy >= bottom) { + win->_begy += (ToLines - screen_lines); + } else { + if (myLines == screen_lines - stolen + && ToLines != screen_lines) + myLines = ToLines - stolen; + else if (myLines == screen_lines + && ToLines != screen_lines) + myLines = ToLines; + } + + if (myCols == screen_columns + && ToCols != screen_columns) + myCols = ToCols; + + if (wresize(win, myLines, myCols) != OK) + returnCode(ERR); } - /* - * Always update LINES, to allow for call from lib_doupdate.c which - * needs to have the count adjusted by the stolen (ripped off) lines. - */ - LINES = ToLines - stolen; - COLS = ToCols; + screen_lines = lines = ToLines; + screen_columns = columns = ToCols; - returnCode(OK); + SP->_lines_avail = lines - stolen; + + if (SP->oldhash) { + FreeAndNull(SP->oldhash); + } + if (SP->newhash) { + FreeAndNull(SP->newhash); + } + } + + /* + * Always update LINES, to allow for call from lib_doupdate.c which + * needs to have the count adjusted by the stolen (ripped off) lines. + */ + LINES = ToLines - stolen; + COLS = ToCols; + + returnCode(OK); } |
