1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1997, by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 /* A panels subsystem built on curses--create a new panel */ 32 33 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 34 35 /*LINTLIBRARY*/ 36 37 #include <sys/types.h> 38 #include <stdlib.h> 39 #include <curses.h> 40 #include "private.h" 41 42 /* add_top - Put a new or hidden panel on top of the pile */ 43 static void 44 add_top(PANEL *panel) 45 { 46 if (!_Top_panel) { 47 panel-> below = 0; 48 _Bottom_panel = panel; 49 } else { 50 _Top_panel -> above = panel; 51 panel -> below = _Top_panel; 52 } 53 54 _Top_panel = panel; 55 panel -> above = 0; 56 panel -> obscured = 0; 57 _Panel_cnt++; 58 59 /* Determine which panels the new panel obscures */ 60 61 _intersect_panel(panel); 62 } 63 64 /* new_panel */ 65 PANEL * 66 new_panel(WINDOW *window) 67 { 68 PANEL *panel; 69 int lines, cols; 70 71 /* create a panel */ 72 73 if (!window || !_alloc_overlap(_Panel_cnt) || 74 !(panel = (PANEL *) malloc(sizeof (PANEL)))) 75 return ((PANEL *) 0); 76 77 panel -> win = window; 78 getbegyx(window, panel -> wstarty, panel -> wstartx); 79 getmaxyx(window, lines, cols); 80 panel -> wendy = panel->wstarty + lines - 1; 81 panel -> wendx = panel->wstartx + cols - 1; 82 panel -> user = 0; 83 84 /* put the new panel on top of the pile */ 85 86 add_top(panel); 87 return (panel); 88 } 89 90 /* show_panel */ 91 int 92 show_panel(PANEL *panel) 93 { 94 /* Allocate the obscured nodes for the new panel */ 95 96 if (!panel || panel != panel -> below || !_alloc_overlap(_Panel_cnt)) 97 return (ERR); 98 99 /* put the new panel on top of the pile */ 100 101 add_top(panel); 102 (void) touchwin(panel -> win); 103 return (OK); 104 } 105