1 /**************************************************************************** 2 * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995 * 31 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32 * and: Juergen Pfeifer 1997-1999,2008 * 33 ****************************************************************************/ 34 35 /* p_below.c 36 */ 37 #include "panel.priv.h" 38 39 MODULE_ID("$Id: p_below.c,v 1.9 2012/03/10 23:43:41 tom Exp $") 40 41 #if NCURSES_SP_FUNCS 42 NCURSES_EXPORT(PANEL *) 43 ceiling_panel(SCREEN * sp) 44 { 45 T((T_CALLED("ceiling_panel(%p)"), (void *)sp)); 46 if (sp) 47 { 48 struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp); 49 50 /* if top and bottom are equal, we have no or only the pseudo panel */ 51 returnPanel(EMPTY_STACK()? (PANEL *) 0 : _nc_top_panel); 52 } 53 else 54 { 55 if (0 == CURRENT_SCREEN) 56 returnPanel(0); 57 else 58 returnPanel(ceiling_panel(CURRENT_SCREEN)); 59 } 60 } 61 #endif 62 63 NCURSES_EXPORT(PANEL *) 64 panel_below(const PANEL * pan) 65 { 66 PANEL *result; 67 68 T((T_CALLED("panel_below(%p)"), (const void *)pan)); 69 if (pan) 70 { 71 GetHook(pan); 72 /* we must not return the pseudo panel */ 73 result = Is_Pseudo(pan->below) ? (PANEL *) 0 : pan->below; 74 } 75 else 76 { 77 #if NCURSES_SP_FUNCS 78 result = ceiling_panel(CURRENT_SCREEN); 79 #else 80 /* if top and bottom are equal, we have no or only the pseudo panel */ 81 result = EMPTY_STACK()? (PANEL *) 0 : _nc_top_panel; 82 #endif 83 } 84 returnPanel(result); 85 } 86