-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * 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> *
+ ****************************************************************************/
/*
#include <curses.priv.h>
-MODULE_ID("$Id: lib_pad.c,v 1.18 1997/04/12 17:42:52 tom Exp $")
+MODULE_ID("$Id: lib_pad.c,v 1.25 1998/02/11 12:13:55 tom Exp $")
WINDOW *newpad(int l, int c)
{
returnWin(0);
for (i = 0; i < l; i++) {
- win->_line[i].oldindex = _NEWINDEX;
+ if_USE_SCROLL_HINTS(win->_line[i].oldindex = _NEWINDEX);
if ((win->_line[i].text = typeCalloc(chtype, ((size_t)c))) == 0) {
_nc_freewin(win);
returnWin(0);
WINDOW *subpad(WINDOW *orig, int l, int c, int begy, int begx)
{
-WINDOW *win;
+WINDOW *win = (WINDOW *)0;
T((T_CALLED("subpad(%d, %d)"), l, c));
- if (!(orig->_flags & _ISPAD) || ((win = derwin(orig, l, c, begy, begx)) == NULL))
+ if (orig) {
+ if (!(orig->_flags & _ISPAD) || ((win = derwin(orig, l, c, begy, begx)) == NULL))
returnWin(0);
-
+ }
returnWin(win);
}
int pnoutrefresh(WINDOW *win, int pminrow, int pmincol,
int sminrow, int smincol, int smaxrow, int smaxcol)
{
+const int my_len = 2; /* parameterize the threshold for hardscroll */
short i, j;
short m, n;
short pmaxrow;
* windows). Note that changing this formula will not break any code,
* merely change the costs of various update cases.
*/
- wide = (sminrow <= 1 && win->_maxx >= (newscr->_maxx - 1));
+ wide = (smincol < my_len && smaxcol > (newscr->_maxx - my_len));
for (i = pminrow, m = sminrow + win->_yoffset;
i <= pmaxrow && m <= newscr->_maxy;
}
}
+#if USE_SCROLL_HINTS
if (wide) {
int nind = m + displaced;
if (oline->oldindex < 0
|| nind < sminrow
- || nind > smaxrow)
+ || nind > smaxrow) {
nind = _NEWINDEX;
+ } else if (displaced) {
+ register struct ldat *pline = &curscr->_line[nind];
+ for (j = 0; j <= my_len; j++) {
+ int k = newscr->_maxx - j;
+ if (pline->text[j] != nline->text[j]
+ || pline->text[k] != nline->text[k]) {
+ nind = _NEWINDEX;
+ break;
+ }
+ }
+ }
nline->oldindex = nind;
}
+#endif /* USE_SCROLL_HINTS */
oline->firstchar = oline->lastchar = _NOCHANGE;
- oline->oldindex = i;
+ if_USE_SCROLL_HINTS(oline->oldindex = i);
}
/*
* procedure. The only rows that should have an index value are those
* that are displayed during this cycle.
*/
+#if USE_SCROLL_HINTS
for (i = pminrow-1; (i >= 0) && (win->_line[i].oldindex >= 0); i--)
win->_line[i].oldindex = _NEWINDEX;
for (i = pmaxrow+1; (i <= win->_maxy) && (win->_line[i].oldindex >= 0); i++)
win->_line[i].oldindex = _NEWINDEX;
+#endif
win->_begx = smincol;
win->_begy = sminrow;
returnCode(OK);
}
-int pechochar(WINDOW *pad, chtype ch)
+int pechochar(WINDOW *pad, const chtype ch)
{
T((T_CALLED("pechochar(%p, %s)"), pad, _tracechtype(ch)));
- if (pad->_flags & _ISPAD)
- returnCode(ERR);
+ if (pad == 0)
+ returnCode(ERR);
+
+ if (!(pad->_flags & _ISPAD))
+ returnCode(wechochar(pad,ch));
- waddch(curscr, ch);
- doupdate();
+ waddch(pad, ch);
+ prefresh(pad, pad->_pad._pad_y,
+ pad->_pad._pad_x,
+ pad->_pad._pad_top,
+ pad->_pad._pad_left,
+ pad->_pad._pad_bottom,
+ pad->_pad._pad_right);
+
returnCode(OK);
}
projects / ncurses.git / blobdiff