diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/lib_refresh.c')
| -rw-r--r-- | ncurses-5.2/ncurses/base/lib_refresh.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/ncurses-5.2/ncurses/base/lib_refresh.c b/ncurses-5.2/ncurses/base/lib_refresh.c deleted file mode 100644 index 5929823..0000000 --- a/ncurses-5.2/ncurses/base/lib_refresh.c +++ /dev/null @@ -1,183 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998,1999,2000 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 * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * - ****************************************************************************/ - -/* - * lib_refresh.c - * - * The routines wrefresh() and wnoutrefresh(). - * - */ - -#include <curses.priv.h> - -MODULE_ID("$Id$") - -int -wrefresh(WINDOW *win) -{ - int code; - - T((T_CALLED("wrefresh(%p)"), win)); - - if (win == curscr) { - curscr->_clear = TRUE; - code = doupdate(); - } else if ((code = wnoutrefresh(win)) == OK) { - if (win->_clear) - newscr->_clear = TRUE; - code = doupdate(); - /* - * Reset the clearok() flag in case it was set for the special - * case in hardscroll.c (if we don't reset it here, we'll get 2 - * refreshes because the flag is copied from stdscr to newscr). - * Resetting the flag shouldn't do any harm, anyway. - */ - win->_clear = FALSE; - } - returnCode(code); -} - -int -wnoutrefresh(WINDOW *win) -{ - NCURSES_SIZE_T limit_x; - NCURSES_SIZE_T i, j; - NCURSES_SIZE_T begx; - NCURSES_SIZE_T begy; - NCURSES_SIZE_T m, n; - bool wide; - - T((T_CALLED("wnoutrefresh(%p)"), win)); -#ifdef TRACE - if (_nc_tracing & TRACE_UPDATE) - _tracedump("...win", win); -#endif /* TRACE */ - - /* - * This function will break badly if we try to refresh a pad. - */ - if ((win == 0) - || (win->_flags & _ISPAD)) - returnCode(ERR); - - /* put them here so "win == 0" won't break our code */ - begx = win->_begx; - begy = win->_begy; - - newscr->_bkgd = win->_bkgd; - newscr->_attrs = win->_attrs; - - /* merge in change information from all subwindows of this window */ - wsyncdown(win); - - /* - * For pure efficiency, we'd want to transfer scrolling information - * from the window to newscr whenever the window is wide enough that - * its update will dominate the cost of the update for the horizontal - * band of newscr that it occupies. Unfortunately, this threshold - * tends to be complex to estimate, and in any case scrolling the - * whole band and rewriting the parts outside win's image would look - * really ugly. So. What we do is consider the window "wide" if it - * either (a) occupies the whole width of newscr, or (b) occupies - * all but at most one column on either vertical edge of the screen - * (this caters to fussy people who put boxes around full-screen - * windows). Note that changing this formula will not break any code, - * merely change the costs of various update cases. - */ - wide = (begx <= 1 && win->_maxx >= (newscr->_maxx - 1)); - - win->_flags &= ~_HASMOVED; - - /* - * Microtweaking alert! This double loop is one of the genuine - * hot spots in the code. Even gcc doesn't seem to do enough - * common-subexpression chunking to make it really tense, - * so we'll force the issue. - */ - - /* limit(n) */ - limit_x = win->_maxx; - /* limit(j) */ - if (limit_x > win->_maxx) - limit_x = win->_maxx; - - for (i = 0, m = begy + win->_yoffset; - i <= win->_maxy && m <= newscr->_maxy; - i++, m++) { - register struct ldat *nline = &newscr->_line[m]; - register struct ldat *oline = &win->_line[i]; - - if (oline->firstchar != _NOCHANGE) { - int last = oline->lastchar; - - if (last > limit_x) - last = limit_x; - - for (j = oline->firstchar, n = j + begx; j <= last; j++, n++) { - if (oline->text[j] != nline->text[n]) { - nline->text[n] = oline->text[j]; - CHANGED_CELL(nline, n); - } - } - - } -#if USE_SCROLL_HINTS - if (wide) { - int oind = oline->oldindex; - - nline->oldindex = (oind == _NEWINDEX) ? _NEWINDEX : begy + oind - + win->_yoffset; - } -#endif /* USE_SCROLL_HINTS */ - - oline->firstchar = oline->lastchar = _NOCHANGE; - if_USE_SCROLL_HINTS(oline->oldindex = i); - } - - if (win->_clear) { - win->_clear = FALSE; - newscr->_clear = TRUE; - } - - if (!win->_leaveok) { - newscr->_cury = win->_cury + win->_begy + win->_yoffset; - newscr->_curx = win->_curx + win->_begx; - } - newscr->_leaveok = win->_leaveok; - -#ifdef TRACE - if (_nc_tracing & TRACE_UPDATE) - _tracedump("newscr", newscr); -#endif /* TRACE */ - returnCode(OK); -} |