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authorPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
committerPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
commit0e3d540892016a47f6a68ec9ba2879d35ce5f7c2 (patch)
treead214c5b2c8142ad6dc6d2ce3a9c83e6317d7f77 /contrib/ncurses/ncurses/base/lib_set_term.c
downloadsrc-0e3d540892016a47f6a68ec9ba2879d35ce5f7c2.tar.gz
src-0e3d540892016a47f6a68ec9ba2879d35ce5f7c2.zip
Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.vendor/ncurses/5.0-19990821
This contains the full eti (panel, form, menu) extensions. bmake glue to follow. Obtained from: ftp://ftp.clark.net/pub/dickey/ncurses
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=50276 svn path=/vendor/ncurses/5.0-19990821/; revision=50278; tag=vendor/ncurses/5.0-19990821
Diffstat (limited to 'contrib/ncurses/ncurses/base/lib_set_term.c')
-rw-r--r--contrib/ncurses/ncurses/base/lib_set_term.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/contrib/ncurses/ncurses/base/lib_set_term.c b/contrib/ncurses/ncurses/base/lib_set_term.c
new file mode 100644
index 000000000000..443236cf9cda
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+++ b/contrib/ncurses/ncurses/base/lib_set_term.c
@@ -0,0 +1,315 @@
+/****************************************************************************
+ * Copyright (c) 1998 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_set_term.c
+**
+** The routine set_term().
+**
+*/
+
+#include <curses.priv.h>
+
+#include <term.h> /* cur_term */
+
+MODULE_ID("$Id: lib_set_term.c,v 1.46 1999/07/24 20:05:49 tom Exp $")
+
+SCREEN * set_term(SCREEN *screenp)
+{
+SCREEN *oldSP;
+
+ T((T_CALLED("set_term(%p)"), screenp));
+
+ oldSP = SP;
+ _nc_set_screen(screenp);
+
+ set_curterm(SP->_term);
+ curscr = SP->_curscr;
+ newscr = SP->_newscr;
+ stdscr = SP->_stdscr;
+ COLORS = SP->_color_count;
+ COLOR_PAIRS = SP->_pair_count;
+ memcpy(acs_map, SP->_acs_map, sizeof(chtype)*ACS_LEN);
+
+ T((T_RETURN("%p"), oldSP));
+ return(oldSP);
+}
+
+static void _nc_free_keytry(struct tries *kt)
+{
+ if (kt != 0) {
+ _nc_free_keytry(kt->child);
+ _nc_free_keytry(kt->sibling);
+ free(kt);
+ }
+}
+
+/*
+ * Free the storage associated with the given SCREEN sp.
+ */
+void delscreen(SCREEN *sp)
+{
+ SCREEN **scan = &_nc_screen_chain;
+
+ T((T_CALLED("delscreen(%p)"), sp));
+
+ while(*scan)
+ {
+ if (*scan == sp)
+ {
+ *scan = sp->_next_screen;
+ break;
+ }
+ scan = &(*scan)->_next_screen;
+ }
+
+ _nc_freewin(sp->_curscr);
+ _nc_freewin(sp->_newscr);
+ _nc_freewin(sp->_stdscr);
+ _nc_free_keytry(sp->_keytry);
+ _nc_free_keytry(sp->_key_ok);
+
+ FreeIfNeeded(sp->_color_table);
+ FreeIfNeeded(sp->_color_pairs);
+
+ FreeIfNeeded(sp->oldhash);
+ FreeIfNeeded(sp->newhash);
+
+ del_curterm(sp->_term);
+
+ free(sp);
+
+ /*
+ * If this was the current screen, reset everything that the
+ * application might try to use (except cur_term, which may have
+ * multiple references in different screens).
+ */
+ if (sp == SP) {
+ curscr = 0;
+ newscr = 0;
+ stdscr = 0;
+ COLORS = 0;
+ COLOR_PAIRS = 0;
+ _nc_set_screen(0);
+ }
+ returnVoid;
+}
+
+static ripoff_t rippedoff[5];
+static ripoff_t *rsp = rippedoff;
+#define N_RIPS SIZEOF(rippedoff)
+
+static bool no_mouse_event (SCREEN *sp GCC_UNUSED) { return FALSE; }
+static bool no_mouse_inline(SCREEN *sp GCC_UNUSED) { return FALSE; }
+static bool no_mouse_parse (int code GCC_UNUSED) { return TRUE; }
+static void no_mouse_resume(SCREEN *sp GCC_UNUSED) { }
+static void no_mouse_wrap (SCREEN *sp GCC_UNUSED) { }
+
+int _nc_setupscreen(short slines, short const scolumns, FILE *output)
+/* OS-independent screen initializations */
+{
+int bottom_stolen = 0;
+size_t i;
+
+ assert(SP==0); /* has been reset in newterm() ! */
+ if (!_nc_alloc_screen())
+ return ERR;
+
+ SP->_next_screen = _nc_screen_chain;
+ _nc_screen_chain = SP;
+
+ _nc_set_buffer(output, TRUE);
+ SP->_term = cur_term;
+ SP->_lines = slines;
+ SP->_lines_avail = slines;
+ SP->_columns = scolumns;
+ SP->_cursrow = -1;
+ SP->_curscol = -1;
+ SP->_nl = TRUE;
+ SP->_raw = FALSE;
+ SP->_cbreak = 0;
+ SP->_echo = TRUE;
+ SP->_fifohead = -1;
+ SP->_endwin = TRUE;
+ SP->_ofp = output;
+ SP->_cursor = -1; /* cannot know real cursor shape */
+#ifdef NCURSES_NO_PADDING
+ SP->_no_padding = getenv("NCURSES_NO_PADDING") != 0;
+#endif
+
+ SP->_maxclick = DEFAULT_MAXCLICK;
+ SP->_mouse_event = no_mouse_event;
+ SP->_mouse_inline = no_mouse_inline;
+ SP->_mouse_parse = no_mouse_parse;
+ SP->_mouse_resume = no_mouse_resume;
+ SP->_mouse_wrap = no_mouse_wrap;
+ SP->_mouse_fd = -1;
+
+ /* initialize the panel hooks */
+ SP->_panelHook.top_panel = (struct panel*)0;
+ SP->_panelHook.bottom_panel = (struct panel*)0;
+ SP->_panelHook.stdscr_pseudo_panel = (struct panel*)0;
+
+ /*
+ * If we've no magic cookie support, we suppress attributes that xmc
+ * would affect, i.e., the attributes that affect the rendition of a
+ * space. Note that this impacts the alternate character set mapping
+ * as well.
+ */
+ if (magic_cookie_glitch > 0) {
+
+ SP->_xmc_triggers = termattrs() & (
+ A_ALTCHARSET |
+ A_BLINK |
+ A_BOLD |
+ A_REVERSE |
+ A_STANDOUT |
+ A_UNDERLINE
+ );
+ SP->_xmc_suppress = SP->_xmc_triggers & (chtype)~(A_BOLD);
+
+ T(("magic cookie attributes %s", _traceattr(SP->_xmc_suppress)));
+#if USE_XMC_SUPPORT
+ /*
+ * To keep this simple, suppress all of the optimization hooks
+ * except for clear_screen and the cursor addressing.
+ */
+ clr_eol = 0;
+ clr_eos = 0;
+ set_attributes = 0;
+#else
+ magic_cookie_glitch = -1;
+ acs_chars = 0;
+#endif
+ }
+ _nc_init_acs();
+ memcpy(SP->_acs_map, acs_map, sizeof(chtype)*ACS_LEN);
+
+ _nc_idcok = TRUE;
+ _nc_idlok = FALSE;
+
+ _nc_windows = 0; /* no windows yet */
+
+ SP->oldhash = 0;
+ SP->newhash = 0;
+
+ T(("creating newscr"));
+ if ((newscr = newwin(slines, scolumns, 0, 0)) == 0)
+ return ERR;
+
+ T(("creating curscr"));
+ if ((curscr = newwin(slines, scolumns, 0, 0)) == 0)
+ return ERR;
+
+ SP->_newscr = newscr;
+ SP->_curscr = curscr;
+#if USE_SIZECHANGE
+ SP->_resize = resizeterm;
+#endif
+
+ newscr->_clear = TRUE;
+ curscr->_clear = FALSE;
+
+ for (i=0, rsp = rippedoff; rsp->line && (i < N_RIPS); rsp++, i++) {
+ if (rsp->hook) {
+ WINDOW *w;
+ int count = (rsp->line < 0) ? -rsp->line : rsp->line;
+
+ if (rsp->line < 0) {
+ w = newwin(count,scolumns,SP->_lines_avail - count,0);
+ if (w) {
+ rsp->w = w;
+ rsp->hook(w, scolumns);
+ bottom_stolen += count;
+ }
+ else
+ return ERR;
+ } else {
+ w = newwin(count,scolumns, 0, 0);
+ if (w) {
+ rsp->w = w;
+ rsp->hook(w, scolumns);
+ SP->_topstolen += count;
+ }
+ else
+ return ERR;
+ }
+ SP->_lines_avail -= count;
+ }
+ rsp->line = 0;
+ }
+ /* reset the stack */
+ rsp = rippedoff;
+
+ T(("creating stdscr"));
+ assert ((SP->_lines_avail + SP->_topstolen + bottom_stolen) == slines);
+ if ((stdscr = newwin(LINES = SP->_lines_avail, scolumns, 0, 0)) == 0)
+ return ERR;
+ SP->_stdscr = stdscr;
+
+ def_shell_mode();
+ def_prog_mode();
+
+ return OK;
+}
+
+/* The internal implementation interprets line as the number of
+ lines to rip off from the top or bottom.
+ */
+int
+_nc_ripoffline(int line, int (*init)(WINDOW *,int))
+{
+ if (line == 0)
+ return(OK);
+
+ if (rsp >= rippedoff + N_RIPS)
+ return(ERR);
+
+ rsp->line = line;
+ rsp->hook = init;
+ rsp->w = 0;
+ rsp++;
+
+ return(OK);
+}
+
+int
+ripoffline(int line, int (*init)(WINDOW *, int))
+{
+ T((T_CALLED("ripoffline(%d,%p)"), line, init));
+
+ if (line == 0)
+ returnCode(OK);
+
+ returnCode(_nc_ripoffline ((line<0) ? -1 : 1, init));
+}