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 /*LINTLIBRARY*/ 34 35 #include <sys/types.h> 36 #include <stdlib.h> 37 #include <curses.h> 38 #include "private.h" 39 40 /* add_top - Put a new or hidden panel on top of the pile */ 41 static void 42 add_top(PANEL *panel) 43 { 44 if (!_Top_panel) { 45 panel-> below = 0; 46 _Bottom_panel = panel; 47 } else { 48 _Top_panel -> above = panel; 49 panel -> below = _Top_panel; 50 } 51 52 _Top_panel = panel; 53 panel -> above = 0; 54 panel -> obscured = 0; 55 _Panel_cnt++; 56 57 /* Determine which panels the new panel obscures */ 58 59 _intersect_panel(panel); 60 } 61 62 /* new_panel */ 63 PANEL * 64 new_panel(WINDOW *window) 65 { 66 PANEL *panel; 67 int lines, cols; 68 69 /* create a panel */ 70 71 if (!window || !_alloc_overlap(_Panel_cnt) || 72 !(panel = (PANEL *) malloc(sizeof (PANEL)))) 73 return ((PANEL *) 0); 74 75 panel -> win = window; 76 getbegyx(window, panel -> wstarty, panel -> wstartx); 77 getmaxyx(window, lines, cols); 78 panel -> wendy = panel->wstarty + lines - 1; 79 panel -> wendx = panel->wstartx + cols - 1; 80 panel -> user = 0; 81 82 /* put the new panel on top of the pile */ 83 84 add_top(panel); 85 return (panel); 86 } 87 88 /* show_panel */ 89 int 90 show_panel(PANEL *panel) 91 { 92 /* Allocate the obscured nodes for the new panel */ 93 94 if (!panel || panel != panel -> below || !_alloc_overlap(_Panel_cnt)) 95 return (ERR); 96 97 /* put the new panel on top of the pile */ 98 99 add_top(panel); 100 (void) touchwin(panel -> win); 101 return (OK); 102 } 103