1 /**************************************************************************** 2 * Copyright (c) 1998 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 ****************************************************************************/ 33 34 /* p_hide.c 35 * Remove a panel from the stack 36 */ 37 #include "panel.priv.h" 38 39 MODULE_ID("$Id: p_hide.c,v 1.2 1998/02/11 12:14:01 tom Exp $") 40 41 /*+------------------------------------------------------------------------- 42 __panel_unlink(pan) - unlink panel from stack 43 --------------------------------------------------------------------------*/ 44 static void 45 __panel_unlink(PANEL *pan) 46 { 47 PANEL *prev; 48 PANEL *next; 49 50 #ifdef TRACE 51 dStack("<u%d>",1,pan); 52 if(!_nc_panel_is_linked(pan)) 53 return; 54 #endif 55 56 _nc_override(pan,P_TOUCH); 57 _nc_free_obscure(pan); 58 59 prev = pan->below; 60 next = pan->above; 61 62 if(prev) 63 { /* if non-zero, we will not update the list head */ 64 prev->above = next; 65 if(next) 66 next->below = prev; 67 } 68 else if(next) 69 next->below = prev; 70 if(pan == _nc_bottom_panel) 71 _nc_bottom_panel = next; 72 if(pan == _nc_top_panel) 73 _nc_top_panel = prev; 74 75 _nc_calculate_obscure(); 76 77 pan->above = (PANEL *)0; 78 pan->below = (PANEL *)0; 79 dStack("<u%d>",9,pan); 80 } 81 82 int 83 hide_panel(register PANEL *pan) 84 { 85 if(!pan) 86 return(ERR); 87 88 dBug(("--> hide_panel %s", USER_PTR(pan->user))); 89 90 if(!_nc_panel_is_linked(pan)) 91 { 92 pan->above = (PANEL *)0; 93 pan->below = (PANEL *)0; 94 return(ERR); 95 } 96 97 __panel_unlink(pan); 98 return(OK); 99 } 100