1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2010,2012 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 * and: Juergen Pfeifer 1997-1999,2008 * 34 ****************************************************************************/ 35 36 /* p_above.c 37 */ 38 #include "panel.priv.h" 39 40 MODULE_ID("$Id: p_above.c,v 1.10 2020/02/02 23:34:34 tom Exp $") 41 42 #if NCURSES_SP_FUNCS 43 NCURSES_EXPORT(PANEL *) 44 ground_panel(SCREEN * sp) 45 { 46 T((T_CALLED("ground_panel(%p)"), (void *)sp)); 47 if (sp) 48 { 49 struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp); 50 51 if (_nc_bottom_panel) /* this is the pseudo panel */ 52 returnPanel(_nc_bottom_panel->above); 53 else 54 returnPanel(0); 55 } 56 else 57 { 58 if (0 == CURRENT_SCREEN) 59 returnPanel(0); 60 else 61 returnPanel(ground_panel(CURRENT_SCREEN)); 62 } 63 } 64 #endif 65 66 NCURSES_EXPORT(PANEL *) 67 panel_above(const PANEL * pan) 68 { 69 PANEL *result; 70 71 T((T_CALLED("panel_above(%p)"), (const void *)pan)); 72 if (pan) 73 result = pan->above; 74 else 75 { 76 #if NCURSES_SP_FUNCS 77 result = ground_panel(CURRENT_SCREEN); 78 #else 79 /* if top and bottom are equal, we have no or only the pseudo panel; 80 if not, we return the panel above the pseudo panel */ 81 result = EMPTY_STACK()? (PANEL *) 0 : _nc_bottom_panel->above; 82 #endif 83 } 84 returnPanel(result); 85 } 86