10e3d5408SPeter Wemm /**************************************************************************** 2e1865124SBaptiste Daroussin * Copyright 2020 Thomas E. Dickey * 3e1865124SBaptiste Daroussin * Copyright 1998-2009,2010 Free Software Foundation, Inc. * 40e3d5408SPeter Wemm * * 50e3d5408SPeter Wemm * Permission is hereby granted, free of charge, to any person obtaining a * 60e3d5408SPeter Wemm * copy of this software and associated documentation files (the * 70e3d5408SPeter Wemm * "Software"), to deal in the Software without restriction, including * 80e3d5408SPeter Wemm * without limitation the rights to use, copy, modify, merge, publish, * 90e3d5408SPeter Wemm * distribute, distribute with modifications, sublicense, and/or sell * 100e3d5408SPeter Wemm * copies of the Software, and to permit persons to whom the Software is * 110e3d5408SPeter Wemm * furnished to do so, subject to the following conditions: * 120e3d5408SPeter Wemm * * 130e3d5408SPeter Wemm * The above copyright notice and this permission notice shall be included * 140e3d5408SPeter Wemm * in all copies or substantial portions of the Software. * 150e3d5408SPeter Wemm * * 160e3d5408SPeter Wemm * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 170e3d5408SPeter Wemm * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 180e3d5408SPeter Wemm * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 190e3d5408SPeter Wemm * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 200e3d5408SPeter Wemm * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 210e3d5408SPeter Wemm * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 220e3d5408SPeter Wemm * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 230e3d5408SPeter Wemm * * 240e3d5408SPeter Wemm * Except as contained in this notice, the name(s) of the above copyright * 250e3d5408SPeter Wemm * holders shall not be used in advertising or otherwise to promote the * 260e3d5408SPeter Wemm * sale, use or other dealings in this Software without prior written * 270e3d5408SPeter Wemm * authorization. * 280e3d5408SPeter Wemm ****************************************************************************/ 290e3d5408SPeter Wemm 300e3d5408SPeter Wemm /**************************************************************************** 310e3d5408SPeter Wemm * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995 * 320e3d5408SPeter Wemm * and: Eric S. Raymond <esr@snark.thyrsus.com> * 335d08fb1fSRong-En Fan * and: Juergen Pfeifer 1997-1999 * 345d08fb1fSRong-En Fan * and: Thomas E. Dickey 2000-on * 350e3d5408SPeter Wemm ****************************************************************************/ 360e3d5408SPeter Wemm 370e3d5408SPeter Wemm /* p_new.c 380e3d5408SPeter Wemm * Creation of a new panel 390e3d5408SPeter Wemm */ 400e3d5408SPeter Wemm #include "panel.priv.h" 410e3d5408SPeter Wemm 42*7a656419SBaptiste Daroussin MODULE_ID("$Id: p_new.c,v 1.22 2020/12/26 18:25:48 tom Exp $") 4315589c42SPeter Wemm 4415589c42SPeter Wemm #ifdef TRACE 4515589c42SPeter Wemm static char *stdscr_id; 4615589c42SPeter Wemm static char *new_id; 47*7a656419SBaptiste Daroussin 48*7a656419SBaptiste Daroussin static PANEL * 49*7a656419SBaptiste Daroussin AllocPanel(const char *name) 50*7a656419SBaptiste Daroussin { 51*7a656419SBaptiste Daroussin PANEL *result = typeMalloc(PANEL, 1); 52*7a656419SBaptiste Daroussin 53*7a656419SBaptiste Daroussin _tracef("create :%s %p", name, (void *)result); 54*7a656419SBaptiste Daroussin return result; 55*7a656419SBaptiste Daroussin } 56*7a656419SBaptiste Daroussin #define InitUser(name) \ 57*7a656419SBaptiste Daroussin if (!name ## _id) \ 58*7a656419SBaptiste Daroussin name ## _id = strdup(#name); \ 59*7a656419SBaptiste Daroussin pan->user = name ## _id; \ 60*7a656419SBaptiste Daroussin _tracef("create :user_ptr %p", pan->user) 61*7a656419SBaptiste Daroussin #else 62*7a656419SBaptiste Daroussin #define AllocPanel(name) typeMalloc(PANEL, 1) 63*7a656419SBaptiste Daroussin #define InitUser(name) \ 64*7a656419SBaptiste Daroussin pan->user = (void *)0 6515589c42SPeter Wemm #endif 660e3d5408SPeter Wemm 670e3d5408SPeter Wemm /*+------------------------------------------------------------------------- 680e3d5408SPeter Wemm Get root (i.e. stdscr's) panel. 690e3d5408SPeter Wemm Establish the pseudo panel for stdscr if necessary. 700e3d5408SPeter Wemm --------------------------------------------------------------------------*/ 710e3d5408SPeter Wemm static PANEL * 7206bfebdeSXin LI root_panel(NCURSES_SP_DCL0) 730e3d5408SPeter Wemm { 7406bfebdeSXin LI #if NCURSES_SP_FUNCS 7506bfebdeSXin LI struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp); 7606bfebdeSXin LI 7706bfebdeSXin LI #elif NO_LEAKS 7806bfebdeSXin LI struct panelhook *ph = _nc_panelhook(); 7906bfebdeSXin LI #endif 8006bfebdeSXin LI 810e3d5408SPeter Wemm if (_nc_stdscr_pseudo_panel == (PANEL *)0) 820e3d5408SPeter Wemm { 830e3d5408SPeter Wemm 8406bfebdeSXin LI assert(SP_PARM && SP_PARM->_stdscr && !_nc_bottom_panel && !_nc_top_panel); 855d08fb1fSRong-En Fan #if NO_LEAKS 8606bfebdeSXin LI ph->destroy = del_panel; 875d08fb1fSRong-En Fan #endif 88*7a656419SBaptiste Daroussin _nc_stdscr_pseudo_panel = AllocPanel("root_panel"); 894a1a9510SRong-En Fan if (_nc_stdscr_pseudo_panel != 0) 904a1a9510SRong-En Fan { 910e3d5408SPeter Wemm PANEL *pan = _nc_stdscr_pseudo_panel; 9206bfebdeSXin LI WINDOW *win = SP_PARM->_stdscr; 934a1a9510SRong-En Fan 940e3d5408SPeter Wemm pan->win = win; 950e3d5408SPeter Wemm pan->below = (PANEL *)0; 960e3d5408SPeter Wemm pan->above = (PANEL *)0; 97*7a656419SBaptiste Daroussin InitUser(stdscr); 981759abf3SPeter Wemm _nc_bottom_panel = _nc_top_panel = pan; 990e3d5408SPeter Wemm } 1000e3d5408SPeter Wemm } 1010e3d5408SPeter Wemm return _nc_stdscr_pseudo_panel; 1020e3d5408SPeter Wemm } 1030e3d5408SPeter Wemm 104*7a656419SBaptiste Daroussin PANEL_EXPORT(PANEL *) 1050e3d5408SPeter Wemm new_panel(WINDOW *win) 1060e3d5408SPeter Wemm { 1070e3d5408SPeter Wemm PANEL *pan = (PANEL *)0; 1080e3d5408SPeter Wemm 10906bfebdeSXin LI GetWindowHook(win); 11006bfebdeSXin LI 11106bfebdeSXin LI T((T_CALLED("new_panel(%p)"), (void *)win)); 1124a1a9510SRong-En Fan 11315589c42SPeter Wemm if (!win) 1144a1a9510SRong-En Fan returnPanel(pan); 11515589c42SPeter Wemm 11615589c42SPeter Wemm if (!_nc_stdscr_pseudo_panel) 11706bfebdeSXin LI (void)root_panel(NCURSES_SP_ARG); 1180e3d5408SPeter Wemm assert(_nc_stdscr_pseudo_panel); 1190e3d5408SPeter Wemm 120*7a656419SBaptiste Daroussin if (!(win->_flags & _ISPAD) && (pan = AllocPanel("new_panel"))) 1210e3d5408SPeter Wemm { 1220e3d5408SPeter Wemm pan->win = win; 1230e3d5408SPeter Wemm pan->above = (PANEL *)0; 1240e3d5408SPeter Wemm pan->below = (PANEL *)0; 125*7a656419SBaptiste Daroussin InitUser(new); 1260e3d5408SPeter Wemm (void)show_panel(pan); 1270e3d5408SPeter Wemm } 1284a1a9510SRong-En Fan returnPanel(pan); 1290e3d5408SPeter Wemm } 130