| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 1998-2005,2008 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 | * and: Juergen Pfeifer 1997-1999 * |
| 33 | * and: Thomas E. Dickey 2000-on * |
| 34 | ****************************************************************************/ |
| 35 | |
| 36 | /* p_new.c |
| 37 | * Creation of a new panel |
| 38 | */ |
| 39 | #include "panel.priv.h" |
| 40 | |
| 41 | MODULE_ID("$Id: p_new.c,v 1.10 2008/08/04 18:25:48 tom Exp $") |
| 42 | |
| 43 | #ifdef TRACE |
| 44 | static char *stdscr_id; |
| 45 | static char *new_id; |
| 46 | #endif |
| 47 | |
| 48 | /*+------------------------------------------------------------------------- |
| 49 | Get root (i.e. stdscr's) panel. |
| 50 | Establish the pseudo panel for stdscr if necessary. |
| 51 | --------------------------------------------------------------------------*/ |
| 52 | static PANEL * |
| 53 | root_panel(void) |
| 54 | { |
| 55 | if (_nc_stdscr_pseudo_panel == (PANEL *) 0) |
| 56 | { |
| 57 | |
| 58 | assert(stdscr && !_nc_bottom_panel && !_nc_top_panel); |
| 59 | #if NO_LEAKS |
| 60 | _nc_panelhook()->destroy = del_panel; |
| 61 | #endif |
| 62 | _nc_stdscr_pseudo_panel = (PANEL *) malloc(sizeof(PANEL)); |
| 63 | if (_nc_stdscr_pseudo_panel != 0) |
| 64 | { |
| 65 | PANEL *pan = _nc_stdscr_pseudo_panel; |
| 66 | WINDOW *win = stdscr; |
| 67 | |
| 68 | pan->win = win; |
| 69 | pan->below = (PANEL *) 0; |
| 70 | pan->above = (PANEL *) 0; |
| 71 | #ifdef TRACE |
| 72 | if (!stdscr_id) |
| 73 | stdscr_id = strdup("stdscr"); |
| 74 | pan->user = stdscr_id; |
| 75 | #else |
| 76 | pan->user = (void *)0; |
| 77 | #endif |
| 78 | _nc_bottom_panel = _nc_top_panel = pan; |
| 79 | } |
| 80 | } |
| 81 | return _nc_stdscr_pseudo_panel; |
| 82 | } |
| 83 | |
| 84 | NCURSES_EXPORT(PANEL *) |
| 85 | new_panel(WINDOW *win) |
| 86 | { |
| 87 | PANEL *pan = (PANEL *) 0; |
| 88 | |
| 89 | T((T_CALLED("new_panel(%p)"), win)); |
| 90 | |
| 91 | if (!win) |
| 92 | returnPanel(pan); |
| 93 | |
| 94 | if (!_nc_stdscr_pseudo_panel) |
| 95 | (void)root_panel(); |
| 96 | assert(_nc_stdscr_pseudo_panel); |
| 97 | |
| 98 | if (!(win->_flags & _ISPAD) && (pan = (PANEL *) malloc(sizeof(PANEL)))) |
| 99 | { |
| 100 | pan->win = win; |
| 101 | pan->above = (PANEL *) 0; |
| 102 | pan->below = (PANEL *) 0; |
| 103 | #ifdef TRACE |
| 104 | if (!new_id) |
| 105 | new_id = strdup("new"); |
| 106 | pan->user = new_id; |
| 107 | #else |
| 108 | pan->user = (char *)0; |
| 109 | #endif |
| 110 | (void)show_panel(pan); |
| 111 | } |
| 112 | returnPanel(pan); |
| 113 | } |