summaryrefslogtreecommitdiffstats
path: root/ncurses-5.9/ncurses/base/lib_addstr.c
diff options
context:
space:
mode:
Diffstat (limited to 'ncurses-5.9/ncurses/base/lib_addstr.c')
-rw-r--r--ncurses-5.9/ncurses/base/lib_addstr.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/base/lib_addstr.c b/ncurses-5.9/ncurses/base/lib_addstr.c
new file mode 100644
index 0000000..c9b6f0c
--- /dev/null
+++ b/ncurses-5.9/ncurses/base/lib_addstr.c
@@ -0,0 +1,248 @@
+/****************************************************************************
+ * Copyright (c) 1998-2009,2010 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> *
+ * *
+ * Rewritten 2001-2004 to support wide-characters by *
+ * Sven Verdoolaege *
+ * Thomas Dickey *
+ ****************************************************************************/
+
+/*
+** lib_addstr.c
+*
+** The routines waddnstr(), waddchnstr().
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id$")
+
+NCURSES_EXPORT(int)
+waddnstr(WINDOW *win, const char *astr, int n)
+{
+ const char *str = astr;
+ int code = ERR;
+
+ T((T_CALLED("waddnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(astr, n), n));
+
+ if (win && (str != 0)) {
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+ ("... current %s", _traceattr(WINDOW_ATTRS(win))));
+ code = OK;
+ if (n < 0)
+ n = (int) strlen(astr);
+
+ TR(TRACE_VIRTPUT, ("str is not null, length = %d", n));
+ while ((n-- > 0) && (*str != '\0')) {
+ NCURSES_CH_T ch;
+ TR(TRACE_VIRTPUT, ("*str = %#o", UChar(*str)));
+ SetChar(ch, UChar(*str++), A_NORMAL);
+ 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, x;
+ int code = OK;
+ int i;
+ struct ldat *line;
+
+ T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n));
+
+ if (!win)
+ returnCode(ERR);
+
+ y = win->_cury;
+ x = win->_curx;
+ 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]);
+ for (i = 0; i < n && ChCharOf(astr[i]) != '\0'; ++i) {
+ SetChar2(line->text[i + x], astr[i]);
+ }
+ CHANGED_RANGE(line, x, (NCURSES_SIZE_T) (x + n - 1));
+
+ _nc_synchook(win);
+ returnCode(code);
+}
+
+#if USE_WIDEC_SUPPORT
+
+NCURSES_EXPORT(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 *astr, int n)
+{
+ static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
+ NCURSES_SIZE_T y;
+ NCURSES_SIZE_T x;
+ int code = OK;
+ struct ldat *line;
+ int i, j, start, len, end;
+
+ T((T_CALLED("wadd_wchnstr(%p,%s,%d)"),
+ (void *) win,
+ _nc_viscbuf(astr, n),
+ n));
+
+ if (!win)
+ returnCode(ERR);
+
+ y = win->_cury;
+ x = win->_curx;
+ 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;
+
+ /*
+ * Reset orphaned cells of multi-column characters that extend up to the
+ * new string's location to blanks.
+ */
+ if (x > 0 && isWidecExt(line->text[x])) {
+ for (i = 0; i <= x; ++i) {
+ if (!isWidecExt(line->text[x - i])) {
+ /* must be isWidecBase() */
+ start -= i;
+ while (i > 0) {
+ line->text[x - i--] = _nc_render(win, blank);
+ }
+ break;
+ }
+ }
+ }
+
+ /*
+ * Copy the new string to the window.
+ */
+ for (i = 0; i < n && CharOf(astr[i]) != L'\0' && x <= win->_maxx; ++i) {
+ if (isWidecExt(astr[i]))
+ continue;
+
+ len = wcwidth(CharOf(astr[i]));
+
+ if (x + len - 1 <= win->_maxx) {
+ line->text[x] = _nc_render(win, astr[i]);
+ if (len > 1) {
+ for (j = 0; j < len; ++j) {
+ if (j != 0) {
+ line->text[x + j] = line->text[x];
+ }
+ SetWidecExt(line->text[x + j], j);
+ }
+ }
+ x = (NCURSES_SIZE_T) (x + len);
+ end += len - 1;
+ } else {
+ break;
+ }
+ }
+
+ /*
+ * Set orphaned cells of multi-column characters which lie after the new
+ * string to blanks.
+ */
+ while (x <= win->_maxx && isWidecExt(line->text[x])) {
+ line->text[x] = _nc_render(win, blank);
+ ++end;
+ ++x;
+ }
+ 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;
+
+ T((T_CALLED("waddnwstr(%p,%s,%d)"), (void *) win, _nc_viswbufn(str, n), n));
+
+ if (win && (str != 0)) {
+ TR(TRACE_VIRTPUT | TRACE_ATTRS,
+ ("... current %s", _traceattr(WINDOW_ATTRS(win))));
+ 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", (unsigned long) *str));
+ SetChar(ch, *str++, A_NORMAL);
+ if (wadd_wch(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 2024-05-07 22:40:48 +0000