1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1997, by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* A panels subsystem built on curses--Delete panel routines */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /*LINTLIBRARY*/ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate #include <stdlib.h> 39*0Sstevel@tonic-gate #include <curses.h> 40*0Sstevel@tonic-gate #include "private.h" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* hide_panel - Unlink a panel from the pile and remove it from the screen. */ 43*0Sstevel@tonic-gate int 44*0Sstevel@tonic-gate hide_panel(PANEL *panel) 45*0Sstevel@tonic-gate { 46*0Sstevel@tonic-gate if (!panel) 47*0Sstevel@tonic-gate return (ERR); 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate /* It is ok to hide a panel that is already hidden. */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate if (panel == panel -> below) 52*0Sstevel@tonic-gate return (OK); 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate /* unlink panel */ 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate _remove_overlap(panel); 57*0Sstevel@tonic-gate if (panel == _Bottom_panel) 58*0Sstevel@tonic-gate _Bottom_panel = panel -> above; 59*0Sstevel@tonic-gate else 60*0Sstevel@tonic-gate panel -> below -> above = panel -> above; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate if (panel == _Top_panel) 63*0Sstevel@tonic-gate _Top_panel = panel -> below; 64*0Sstevel@tonic-gate else 65*0Sstevel@tonic-gate panel -> above -> below = panel -> below; 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate _Panel_cnt--; 68*0Sstevel@tonic-gate panel -> below = panel; 69*0Sstevel@tonic-gate return (OK); 70*0Sstevel@tonic-gate } 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate /* 73*0Sstevel@tonic-gate * del_panel - Delete a panel from the pile 74*0Sstevel@tonic-gate * and free all memory associated with it. 75*0Sstevel@tonic-gate */ 76*0Sstevel@tonic-gate int 77*0Sstevel@tonic-gate del_panel(PANEL *panel) 78*0Sstevel@tonic-gate { 79*0Sstevel@tonic-gate return ((hide_panel(panel) == OK) ? free(panel), OK : ERR); 80*0Sstevel@tonic-gate } 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * _remove_overlap 84*0Sstevel@tonic-gate * Remove all references to a panel from the obscured lists of all panels. 85*0Sstevel@tonic-gate * Also remove all obscured nodes from the given panel. This routine 86*0Sstevel@tonic-gate * touches the appropriate places to ensure that everybody is properly 87*0Sstevel@tonic-gate * updated. 88*0Sstevel@tonic-gate */ 89*0Sstevel@tonic-gate void 90*0Sstevel@tonic-gate _remove_overlap(PANEL *panel) 91*0Sstevel@tonic-gate { 92*0Sstevel@tonic-gate PANEL *pnl; 93*0Sstevel@tonic-gate _obscured_list *obs; 94*0Sstevel@tonic-gate _obscured_list *prev_obs; 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate /* Make sure that the background gets updated */ 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate (void) touchline(stdscr, panel->wstarty, 99*0Sstevel@tonic-gate panel->wendy - panel->wstarty + 1); 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate /* Remove all references to the panel from the remaining panels */ 102*0Sstevel@tonic-gate 103*0Sstevel@tonic-gate for (pnl = _Bottom_panel; pnl != panel; pnl = pnl->above) { 104*0Sstevel@tonic-gate if (obs = _unlink_obs(pnl, panel)) 105*0Sstevel@tonic-gate _free_overlap(obs); 106*0Sstevel@tonic-gate } 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate /* delete the obscured list from the panel */ 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate if ((obs = panel -> obscured) != 0) { 111*0Sstevel@tonic-gate do { 112*0Sstevel@tonic-gate prev_obs = obs; 113*0Sstevel@tonic-gate obs = obs -> next; 114*0Sstevel@tonic-gate _free_overlap(prev_obs); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate while (obs != panel -> obscured); 117*0Sstevel@tonic-gate panel -> obscured = 0; 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate } 120