105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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****************************************************************************/
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/* p_new.c
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* Creation of a new panel
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*/
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#include "panel.priv.h"
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MODULE_ID("$Id: p_new.c,v 1.6 2000/12/10 02:20:44 tom Exp $")
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#ifdef TRACE
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static char* stdscr_id;
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static char* new_id;
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#endif
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/*+-------------------------------------------------------------------------
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Get root (i.e. stdscr's) panel.
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Establish the pseudo panel for stdscr if necessary.
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--------------------------------------------------------------------------*/
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static PANEL*
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root_panel(void)
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{
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if(_nc_stdscr_pseudo_panel == (PANEL*)0)
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{
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assert(stdscr && !_nc_bottom_panel && !_nc_top_panel);
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_nc_stdscr_pseudo_panel = (PANEL*)malloc(sizeof(PANEL));
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if (_nc_stdscr_pseudo_panel != 0) {
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PANEL* pan = _nc_stdscr_pseudo_panel;
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WINDOW* win = stdscr;
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pan->win = win;
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pan->below = (PANEL*)0;
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pan->above = (PANEL*)0;
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#ifdef TRACE
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if (!stdscr_id)
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stdscr_id = strdup("stdscr");
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pan->user = stdscr_id;
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#else
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pan->user = (void*)0;
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#endif
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_nc_bottom_panel = _nc_top_panel = pan;
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}
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}
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return _nc_stdscr_pseudo_panel;
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}
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NCURSES_EXPORT(PANEL *)
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new_panel (WINDOW *win)
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{
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PANEL *pan = (PANEL*)0;
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if (!win)
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return(pan);
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if (!_nc_stdscr_pseudo_panel)
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(void)root_panel();
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assert(_nc_stdscr_pseudo_panel);
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if (!(win->_flags & _ISPAD) && (pan = (PANEL*)malloc(sizeof(PANEL))))
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{
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pan->win = win;
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pan->above = (PANEL *)0;
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pan->below = (PANEL *)0;
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#ifdef TRACE
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if (!new_id)
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new_id = strdup("new");
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pan->user = new_id;
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#else
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pan->user = (char *)0;
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#endif
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(void)show_panel(pan);
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}
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return(pan);
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}
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