+++ /dev/null
-/****************************************************************************
- * 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_window.c
-**
-**
-*/
-
-#include <curses.priv.h>
-
-MODULE_ID("$Id: lib_window.c,v 1.11 1998/02/11 12:13:53 tom Exp $")
-
-void _nc_synchook(WINDOW *win)
-/* hook to be called after each window change */
-{
- if (win->_immed) wrefresh(win);
- if (win->_sync) wsyncup(win);
-}
-
-int mvderwin(WINDOW *win, int y, int x)
-/* move a derived window */
-{
- WINDOW *orig;
- int i;
-
- T((T_CALLED("mvderwin(%p,%d,%d)"), win, y, x));
-
- if (win && (orig = win->_parent))
- {
- if (win->_parx==x && win->_pary==y)
- returnCode(OK);
- if (x<0 || y<0)
- returnCode(ERR);
- if ( (x+getmaxx(win) > getmaxx(orig)) ||
- (y+getmaxy(win) > getmaxy(orig)) )
- returnCode(ERR);
- }
- else
- returnCode(ERR);
- wsyncup(win);
- win->_parx = x;
- win->_pary = y;
- for(i=0;i<getmaxy(win);i++)
- win->_line[i].text = &(orig->_line[y++].text[x]);
- returnCode(OK);
-}
-
-int syncok(WINDOW *win, bool bf)
-/* enable/disable automatic wsyncup() on each change to window */
-{
- T((T_CALLED("syncok(%p,%d)"), win, bf));
-
- if (win) {
- win->_sync = bf;
- returnCode(OK);
- } else
- returnCode(ERR);
-}
-
-void wsyncup(WINDOW *win)
-/* mark changed every cell in win's ancestors that is changed in win */
-/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */
-{
- WINDOW *wp;
-
- if (win && win->_parent)
- for (wp = win; wp->_parent; wp = wp->_parent)
- {
- int y;
- WINDOW *pp = wp->_parent;
-
- assert((wp->_pary <= pp->_maxy) &&
- ((wp->_pary+wp->_maxy) <= pp->_maxy));
-
- for (y = 0; y <= wp->_maxy; y++)
- {
- int left = wp->_line[y].firstchar;
- if (left >= 0) /* line is touched */
- {
- /* left & right character in parent window coordinates */
- int right = wp->_line[y].lastchar + wp->_parx;
- left += wp->_parx;
-
- if (pp->_line[wp->_pary + y].firstchar == _NOCHANGE)
- {
- pp->_line[wp->_pary + y].firstchar = left;
- pp->_line[wp->_pary + y].lastchar = right;
- }
- else
- {
- if (left < pp->_line[wp->_pary + y].firstchar)
- pp->_line[wp->_pary + y].firstchar = left;
- if (pp->_line[wp->_pary + y].lastchar < right)
- pp->_line[wp->_pary + y].lastchar = right;
- }
- }
- }
- }
-}
-
-void wsyncdown(WINDOW *win)
-/* mark changed every cell in win that is changed in any of its ancestors */
-/* Rewritten by J. Pfeifer, 1-Apr-96 (don't even think that...) */
-{
- if (win && win->_parent)
- {
- WINDOW *pp = win->_parent;
- int y;
-
- /* This recursion guarantees, that the changes are propagated down-
- wards from the root to our direct parent. */
- wsyncdown(pp);
-
- /* and now we only have to propagate the changes from our direct
- parent, if there are any. */
- assert((win->_pary <= pp->_maxy) &&
- ((win->_pary + win->_maxy) <= pp->_maxy));
-
- for (y = 0; y <= win->_maxy; y++)
- {
- if (pp->_line[win->_pary + y].firstchar >= 0) /* parent changed */
- {
- /* left and right character in child coordinates */
- int left = pp->_line[win->_pary + y].firstchar - win->_parx;
- int right = pp->_line[win->_pary + y].lastchar - win->_parx;
- /* The change maybe outside the childs range */
- if (left<0)
- left = 0;
- if (right > win->_maxx)
- right = win->_maxx;
- if (win->_line[y].firstchar == _NOCHANGE)
- {
- win->_line[y].firstchar = left;
- win->_line[y].lastchar = right;
- }
- else
- {
- if (left < win->_line[y].firstchar)
- win->_line[y].firstchar = left;
- if (win->_line[y].lastchar < right)
- win->_line[y].lastchar = right;
- }
- }
- }
- }
-}
-
-void wcursyncup(WINDOW *win)
-/* sync the cursor in all derived windows to its value in the base window */
-{
- WINDOW *wp;
- for( wp = win; wp && wp->_parent; wp = wp->_parent ) {
- wmove( wp->_parent, wp->_pary + wp->_cury, wp->_parx + wp->_curx );
- }
-}
-
-WINDOW *dupwin(WINDOW *win)
-/* make an exact duplicate of the given window */
-{
-WINDOW *nwin;
-size_t linesize;
-int i;
-
- T((T_CALLED("dupwin(%p)"), win));
-
- if ((win==NULL) ||
- ((nwin = newwin(win->_maxy + 1, win->_maxx + 1, win->_begy, win->_begx)) == NULL))
- returnWin(0);
-
- nwin->_curx = win->_curx;
- nwin->_cury = win->_cury;
- nwin->_maxy = win->_maxy;
- nwin->_maxx = win->_maxx;
- nwin->_begy = win->_begy;
- nwin->_begx = win->_begx;
- nwin->_yoffset = win->_yoffset;
-
- nwin->_flags = win->_flags & ~_SUBWIN;
- /* Due to the use of newwin(), the clone is not a subwindow.
- * The text is really copied into the clone.
- */
-
- nwin->_attrs = win->_attrs;
- nwin->_bkgd = win->_bkgd;
-
- nwin->_clear = win->_clear;
- nwin->_scroll = win->_scroll;
- nwin->_leaveok = win->_leaveok;
- nwin->_use_keypad = win->_use_keypad;
- nwin->_delay = win->_delay;
- nwin->_immed = win->_immed;
- nwin->_sync = win->_sync;
-
- nwin->_parx = 0;
- nwin->_pary = 0;
- nwin->_parent = (WINDOW*)0;
- /* See above: the clone isn't a subwindow! */
-
- nwin->_regtop = win->_regtop;
- nwin->_regbottom = win->_regbottom;
-
- linesize = (win->_maxx + 1) * sizeof(chtype);
- for (i = 0; i <= nwin->_maxy; i++) {
- memcpy(nwin->_line[i].text, win->_line[i].text, linesize);
- nwin->_line[i].firstchar = win->_line[i].firstchar;
- nwin->_line[i].lastchar = win->_line[i].lastchar;
- }
-
- returnWin(nwin);
-}
projects / ncurses.git / blobdiff