1 /****************************************************************************
2 * Copyright (c) 1998-2008,2009 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 * and: Thomas E. Dickey 1996 on *
33 * and: Juergen Pfeifer 2009 *
34 ****************************************************************************/
36 #include <curses.priv.h>
38 MODULE_ID("$Id: lib_screen.c,v 1.32 2009/02/15 00:39:13 tom Exp $")
40 #define MAX_SIZE 0x3fff /* 16k is big enough for a window or pad */
42 NCURSES_EXPORT(WINDOW *)
48 T((T_CALLED("getwin(%p)"), filep));
51 (void) fread(&tmp, sizeof(WINDOW), 1, filep);
54 || tmp._maxy > MAX_SIZE
56 || tmp._maxx > MAX_SIZE)
59 if (tmp._flags & _ISPAD) {
60 nwin = newpad(tmp._maxy + 1, tmp._maxx + 1);
62 nwin = newwin(tmp._maxy + 1, tmp._maxx + 1, 0, 0);
66 * We deliberately do not restore the _parx, _pary, or _parent
67 * fields, because the window hierarchy within which they
68 * made sense is probably gone.
71 nwin->_curx = tmp._curx;
72 nwin->_cury = tmp._cury;
73 nwin->_maxy = tmp._maxy;
74 nwin->_maxx = tmp._maxx;
75 nwin->_begy = tmp._begy;
76 nwin->_begx = tmp._begx;
77 nwin->_yoffset = tmp._yoffset;
78 nwin->_flags = tmp._flags & ~(_SUBWIN);
80 WINDOW_ATTRS(nwin) = WINDOW_ATTRS(&tmp);
81 nwin->_nc_bkgd = tmp._nc_bkgd;
83 nwin->_notimeout = tmp._notimeout;
84 nwin->_clear = tmp._clear;
85 nwin->_leaveok = tmp._leaveok;
86 nwin->_idlok = tmp._idlok;
87 nwin->_idcok = tmp._idcok;
88 nwin->_immed = tmp._immed;
89 nwin->_scroll = tmp._scroll;
90 nwin->_sync = tmp._sync;
91 nwin->_use_keypad = tmp._use_keypad;
92 nwin->_delay = tmp._delay;
94 nwin->_regtop = tmp._regtop;
95 nwin->_regbottom = tmp._regbottom;
97 if (tmp._flags & _ISPAD)
98 nwin->_pad = tmp._pad;
100 for (n = 0; n <= nwin->_maxy; n++) {
102 (void) fread(nwin->_line[n].text,
103 sizeof(NCURSES_CH_T),
104 (size_t) (nwin->_maxx + 1),
117 putwin(WINDOW *win, FILE *filep)
122 T((T_CALLED("putwin(%p,%p)"), win, filep));
125 size_t len = (size_t) (win->_maxx + 1);
128 if (fwrite(win, sizeof(WINDOW), 1, filep) != 1
132 for (n = 0; n <= win->_maxy; n++) {
133 if (fwrite(win->_line[n].text,
134 sizeof(NCURSES_CH_T), len, filep) != len
145 NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
149 T((T_CALLED("scr_restore(%s)"), _nc_visbuf(file)));
151 if (_nc_access(file, R_OK) < 0
152 || (fp = fopen(file, "rb")) == 0) {
156 SP_PARM->_newscr = getwin(fp);
158 newscr = SP_PARM->_newscr;
167 scr_restore(const char *file)
169 return NCURSES_SP_NAME(scr_restore) (CURRENT_SCREEN, file);
174 scr_dump(const char *file)
178 T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
180 if (_nc_access(file, W_OK) < 0
181 || (fp = fopen(file, "wb")) == 0) {
184 (void) putwin(newscr, fp);
191 NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
195 T((T_CALLED("scr_init(%s)"), _nc_visbuf(file)));
197 if (exit_ca_mode && non_rev_rmcup)
200 if (_nc_access(file, R_OK) < 0
201 || (fp = fopen(file, "rb")) == 0) {
205 SP_PARM->_curscr = getwin(fp);
207 curscr = SP_PARM->_curscr;
216 scr_init(const char *file)
218 return NCURSES_SP_NAME(scr_init) (CURRENT_SCREEN, file);
223 NCURSES_SP_NAME(scr_set) (NCURSES_SP_DCLx const char *file)
225 T((T_CALLED("scr_set(%s)"), _nc_visbuf(file)));
227 if (scr_init(file) == ERR) {
231 SP_PARM->_newscr = dupwin(curscr);
233 newscr = SP_PARM->_newscr;
241 scr_set(const char *file)
243 return NCURSES_SP_NAME(scr_set) (CURRENT_SCREEN, file);