summaryrefslogtreecommitdiffstats
path: root/ncurses-5.3/ncurses/base/lib_addstr.c
diff options
context:
space:
mode:
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_addstr.c')
-rw-r--r--ncurses-5.3/ncurses/base/lib_addstr.c253
1 files changed, 253 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_addstr.c b/ncurses-5.3/ncurses/base/lib_addstr.c
new file mode 100644
index 0000000..57731a9
--- /dev/null
+++ b/ncurses-5.3/ncurses/base/lib_addstr.c
@@ -0,0 +1,253 @@
+/****************************************************************************
+ * Copyright (c) 1998-2001,2002 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_addstr.c
+*
+** The routines waddnstr(), waddchnstr().
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id$")
+
+#if USE_WIDEC_SUPPORT
+#define CONV_DATA mbstate_t state; wchar_t cached; int clen = 0
+#define CONV_INIT memset (&state, '\0', sizeof (state)); cached = (wchar_t)WEOF
+#define NEXT_CHAR(s,ch, n) \
+ { \
+ int len, i = 0; \
+ memset(&ch, 0, sizeof(cchar_t)); \
+ if (cached != (wchar_t) WEOF) { \
+ ch.chars[i++] = cached; \
+ cached = (wchar_t) WEOF; \
+ n -= clen; \
+ s += clen; \
+ } \
+ for (; i < CCHARW_MAX && n > 0; ++i) { \
+ if ((len = mbrtowc(&ch.chars[i], s, n, &state)) < 0) { \
+ code = ERR; \
+ break; \
+ } \
+ if (i == 0 || wcwidth(ch.chars[i]) == 0) { \
+ n -= len; \
+ s += len; \
+ } else { \
+ cached = ch.chars[i]; \
+ clen = len; \
+ ch.chars[i] = L'\0'; \
+ break; \
+ } \
+ } \
+ if (code == ERR) \
+ break; \
+ }
+#else
+#define CONV_DATA
+#define CONV_INIT
+#define NEXT_CHAR(s,ch, n) \
+ ch = *s++; \
+ --n
+#endif
+
+NCURSES_EXPORT(int)
+waddnstr(WINDOW *win, const char *astr, int n)
+{
+ unsigned const char *str = (unsigned const char *) astr;
+ int code = ERR;
+ CONV_DATA;
+
+ T((T_CALLED("waddnstr(%p,%s,%d)"), win, _nc_visbufn(astr, n), n));
+
+ if (win && (str != 0)) {
+ TR(TRACE_VIRTPUT | TRACE_ATTRS, ("... current %s", _traceattr(win->_attrs)));
+ code = OK;
+ if (n < 0)
+ n = (int) strlen(astr);
+
+ TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
+ CONV_INIT;
+ while ((n > 0) && (*str != '\0')) {
+ NCURSES_CH_T ch;
+ TR(TRACE_VIRTPUT, ("*str = %#x", *str));
+ NEXT_CHAR(str, ch, n);
+ if (_nc_waddch_nosync(win, ch) == ERR) {
+ code = ERR;
+ break;
+ }
+ }
+ _nc_synchook(win);
+ }
+ TR(TRACE_VIRTPUT, ("waddnstr returns %d", code));
+ returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+waddchnstr(WINDOW *win, const chtype * astr, int n)
+{
+ NCURSES_SIZE_T y = win->_cury;
+ NCURSES_SIZE_T x = win->_curx;
+ int code = OK;
+ struct ldat *line;
+
+ T((T_CALLED("waddchnstr(%p,%p,%d)"), win, astr, n));
+
+ if (!win)
+ returnCode(ERR);
+
+ if (n < 0) {
+ const chtype *str;
+ n = 0;
+ for (str = (const chtype *) astr; *str != 0; str++)
+ n++;
+ }
+ if (n > win->_maxx - x + 1)
+ n = win->_maxx - x + 1;
+ if (n == 0)
+ returnCode(code);
+
+ line = &(win->_line[y]);
+#if USE_WIDEC_SUPPORT
+ {
+ int i;
+ for (i = 0; i < n; ++i)
+ SetChar(line->text[i + x], ChCharOf(astr[i]), ChAttrOf(astr[i]));
+ }
+#else
+ memcpy(line->text + x, astr, n * sizeof(*astr));
+#endif
+ CHANGED_RANGE(line, x, x + n - 1);
+
+ _nc_synchook(win);
+ returnCode(code);
+}
+
+#if USE_WIDEC_SUPPORT
+
+int
+_nc_wchstrlen(const cchar_t * s)
+{
+ int result = 0;
+ while (CharOf(s[result]) != L'\0') {
+ result++;
+ }
+ return result;
+}
+
+NCURSES_EXPORT(int)
+wadd_wchnstr(WINDOW *win, const cchar_t * const astr, int n)
+{
+ NCURSES_SIZE_T y = win->_cury;
+ NCURSES_SIZE_T x = win->_curx;
+ int code = OK;
+ struct ldat *line;
+ int i, start, end;
+
+ T((T_CALLED("wadd_wchnstr(%p,%s,%d)"), win, _nc_viscbuf(astr, n), n));
+
+ if (!win)
+ returnCode(ERR);
+
+ if (n < 0) {
+ n = _nc_wchstrlen(astr);
+ }
+ if (n > win->_maxx - x + 1)
+ n = win->_maxx - x + 1;
+ if (n == 0)
+ returnCode(code);
+
+ line = &(win->_line[y]);
+ start = x;
+ end = x + n - 1;
+ if (isnac(line->text[x])) {
+ line->text[x - 1] = win->_nc_bkgd;
+ --start;
+ }
+ for (i = 0; i < n && x <= win->_maxx; ++i) {
+ line->text[x++] = astr[i];
+ if (wcwidth(CharOf(astr[i])) > 1) {
+ if (x <= win->_maxx)
+ AddAttr(line->text[x++], WA_NAC);
+ else
+ line->text[x - 1] = win->_nc_bkgd;
+ }
+ }
+ if (x <= win->_maxx && isnac(line->text[x])) {
+ line->text[x] = win->_nc_bkgd;
+ ++end;
+ }
+ CHANGED_RANGE(line, start, end);
+
+ _nc_synchook(win);
+ returnCode(code);
+}
+
+NCURSES_EXPORT(int)
+waddnwstr(WINDOW *win, const wchar_t * str, int n)
+{
+ int code = ERR;
+ int i;
+
+ T((T_CALLED("waddnwstr(%p,%s,%d)"), win, _nc_viswbufn(str,n), n));
+
+ if (win && (str != 0)) {
+ TR(TRACE_VIRTPUT | TRACE_ATTRS, ("... current %s", _traceattr(win->_attrs)));
+ code = OK;
+ if (n < 0)
+ n = (int) wcslen(str);
+
+ TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
+ while ((n-- > 0) && (*str != L('\0'))) {
+ NCURSES_CH_T ch;
+ TR(TRACE_VIRTPUT, ("*str[0] = %#lx", *str));
+ SetChar(ch, *str++, A_NORMAL);
+ i = 1;
+ while (i < CCHARW_MAX && n > 0 && (*str != L('\0'))
+ && wcwidth(*str) == 0) {
+ TR(TRACE_VIRTPUT, ("*str[%d] = %#lx", i, *str));
+ ch.chars[i++] = *str++;
+ --n;
+ }
+ if (_nc_waddch_nosync(win, ch) == ERR) {
+ code = ERR;
+ break;
+ }
+ }
+ _nc_synchook(win);
+ }
+ TR(TRACE_VIRTPUT, ("waddnwstr returns %d", code));
+ returnCode(code);
+}
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 16:19:57 +0000