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/* $OpenBSD: p_new.c,v 1.5 2010/01/12 23:22:08 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2005,2008 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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* and: Juergen Pfeifer 1997-1999 * |
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* and: Thomas E. Dickey 2000-on * |
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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 1.5 2010/01/12 23:22:08 nicm 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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#if NO_LEAKS |
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_nc_panelhook()->destroy = del_panel; |
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#endif |
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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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{ |
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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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T((T_CALLED("new_panel(%p)"), win)); |
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if (!win) |
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returnPanel(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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returnPanel(pan); |
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} |