1 /****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
35 #include <curses.priv.h>
39 #include <term.h> /* exit_ca_mode, non_rev_rmcup */
41 MODULE_ID("$Id: lib_screen.c,v 1.15 1999/07/24 20:05:29 tom Exp $")
43 static time_t dumptime;
45 WINDOW *getwin(FILE *filep)
50 T((T_CALLED("getwin(%p)"), filep));
52 (void) fread(&tmp, sizeof(WINDOW), 1, filep);
56 if ((nwin = newwin(tmp._maxy+1, tmp._maxx+1, 0, 0)) == 0)
60 * We deliberately do not restore the _parx, _pary, or _parent
61 * fields, because the window hierarchy within which they
62 * made sense is probably gone.
64 nwin->_curx = tmp._curx;
65 nwin->_cury = tmp._cury;
66 nwin->_maxy = tmp._maxy;
67 nwin->_maxx = tmp._maxx;
68 nwin->_begy = tmp._begy;
69 nwin->_begx = tmp._begx;
70 nwin->_yoffset = tmp._yoffset;
71 nwin->_flags = tmp._flags & ~(_SUBWIN|_ISPAD);
73 nwin->_attrs = tmp._attrs;
74 nwin->_bkgd = tmp._bkgd;
76 nwin->_clear = tmp._clear;
77 nwin->_scroll = tmp._scroll;
78 nwin->_leaveok = tmp._leaveok;
79 nwin->_use_keypad = tmp._use_keypad;
80 nwin->_delay = tmp._delay;
81 nwin->_immed = tmp._immed;
82 nwin->_sync = tmp._sync;
84 nwin->_regtop = tmp._regtop;
85 nwin->_regbottom = tmp._regbottom;
87 for (n = 0; n < nwin->_maxy + 1; n++)
89 (void) fread(nwin->_line[n].text,
90 sizeof(chtype), (size_t)(nwin->_maxx + 1), filep);
102 int putwin(WINDOW *win, FILE *filep)
107 T((T_CALLED("putwin(%p,%p)"), win, filep));
110 (void) fwrite(win, sizeof(WINDOW), 1, filep);
114 for (n = 0; n < win->_maxy + 1; n++)
116 (void) fwrite(win->_line[n].text,
117 sizeof(chtype), (size_t)(win->_maxx + 1), filep);
126 int scr_restore(const char *file)
130 T((T_CALLED("scr_restore(%s)"), _nc_visbuf(file)));
132 if (_nc_access(file, R_OK) < 0
133 || (fp = fopen(file, "rb")) == 0)
144 int scr_dump(const char *file)
148 T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
150 if (_nc_access(file, W_OK) < 0
151 || (fp = fopen(file, "wb")) == 0)
155 (void) putwin(newscr, fp);
157 dumptime = time((time_t *)0);
162 int scr_init(const char *file)
167 T((T_CALLED("scr_init(%s)"), _nc_visbuf(file)));
169 if (exit_ca_mode && non_rev_rmcup)
172 if (_nc_access(file, R_OK) < 0
173 || (fp = fopen(file, "rb")) == 0)
175 else if (fstat(STDOUT_FILENO, &stb) || stb.st_mtime > dumptime)
186 int scr_set(const char *file)
188 T((T_CALLED("scr_set(%s)"), _nc_visbuf(file)));
190 if (scr_init(file) == ERR)
195 newscr = dupwin(curscr);