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_above.c 36 */ 37 #include "panel.priv.h" 38 39 MODULE_ID("$Id: p_above.c,v 1.9 2012/03/10 23:43:41 tom Exp $") 40 41 #if NCURSES_SP_FUNCS 42 NCURSES_EXPORT(PANEL *) 43 ground_panel(SCREEN * sp) 44 { 45 T((T_CALLED("ground_panel(%p)"), (void *)sp)); 46 if (sp) 47 { 48 struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp); 49 50 if (_nc_bottom_panel) /* this is the pseudo panel */ 51 returnPanel(_nc_bottom_panel->above); 52 else 53 returnPanel(0); 54 } 55 else 56 { 57 if (0 == CURRENT_SCREEN) 58 returnPanel(0); 59 else 60 returnPanel(ground_panel(CURRENT_SCREEN)); 61 } 62 } 63 #endif 64 65 NCURSES_EXPORT(PANEL *) 66 panel_above(const PANEL * pan) 67 { 68 PANEL *result; 69 70 T((T_CALLED("panel_above(%p)"), (const void *)pan)); 71 if (pan) 72 result = pan->above; 73 else 74 { 75 #if NCURSES_SP_FUNCS 76 result = ground_panel(CURRENT_SCREEN); 77 #else 78 /* if top and bottom are equal, we have no or only the pseudo panel; 79 if not, we return the panel above the pseudo panel */ 80 result = EMPTY_STACK()? (PANEL *) 0 : _nc_bottom_panel->above; 81 #endif 82 } 83 returnPanel(result); 84 } 85