X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=panel%2Fp_new.c;h=a7c5a4e2db214d9f3c15a54632d5349bd6b4467b;hp=f2f208d6ec7b68cb2a9ebb9eaa302d4fbdd5b8fb;hb=bec710451bd1f286840c4e7e18fc646bd63adeba;hpb=0eb88fc5281804773e2a0c7a488a4452463535ce diff --git a/panel/p_new.c b/panel/p_new.c index f2f208d6..a7c5a4e2 100644 --- a/panel/p_new.c +++ b/panel/p_new.c @@ -1,5 +1,6 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright 2020 Thomas E. Dickey * + * Copyright 1998-2009,2010 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -29,6 +30,8 @@ /**************************************************************************** * Author: Zeyd M. Ben-Halim 1995 * * and: Eric S. Raymond * + * and: Juergen Pfeifer 1997-1999 * + * and: Thomas E. Dickey 2000-on * ****************************************************************************/ /* p_new.c @@ -36,56 +39,91 @@ */ #include "panel.priv.h" -MODULE_ID("$Id: p_new.c,v 1.4 1999/09/29 15:22:32 juergen Exp $") +MODULE_ID("$Id: p_new.c,v 1.22 2020/12/26 18:25:48 tom Exp $") + +#ifdef TRACE +static char *stdscr_id; +static char *new_id; + +static PANEL * +AllocPanel(const char *name) +{ + PANEL *result = typeMalloc(PANEL, 1); + + _tracef("create :%s %p", name, (void *)result); + return result; +} +#define InitUser(name) \ + if (!name ## _id) \ + name ## _id = strdup(#name); \ + pan->user = name ## _id; \ + _tracef("create :user_ptr %p", pan->user) +#else +#define AllocPanel(name) typeMalloc(PANEL, 1) +#define InitUser(name) \ + pan->user = (void *)0 +#endif /*+------------------------------------------------------------------------- Get root (i.e. stdscr's) panel. Establish the pseudo panel for stdscr if necessary. --------------------------------------------------------------------------*/ -static PANEL* -root_panel(void) +static PANEL * +root_panel(NCURSES_SP_DCL0) { - if(_nc_stdscr_pseudo_panel == (PANEL*)0) +#if NCURSES_SP_FUNCS + struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp); + +#elif NO_LEAKS + struct panelhook *ph = _nc_panelhook(); +#endif + + if (_nc_stdscr_pseudo_panel == (PANEL *)0) { - - assert(stdscr && !_nc_bottom_panel && !_nc_top_panel); - _nc_stdscr_pseudo_panel = (PANEL*)malloc(sizeof(PANEL)); - if (_nc_stdscr_pseudo_panel != 0) { - PANEL* pan = _nc_stdscr_pseudo_panel; - WINDOW* win = stdscr; - pan->win = win; - pan->below = (PANEL*)0; - pan->above = (PANEL*)0; -#ifdef TRACE - pan->user = "stdscr"; -#else - pan->user = (void*)0; + + assert(SP_PARM && SP_PARM->_stdscr && !_nc_bottom_panel && !_nc_top_panel); +#if NO_LEAKS + ph->destroy = del_panel; #endif - _nc_bottom_panel = _nc_top_panel = pan; - } + _nc_stdscr_pseudo_panel = AllocPanel("root_panel"); + if (_nc_stdscr_pseudo_panel != 0) + { + PANEL *pan = _nc_stdscr_pseudo_panel; + WINDOW *win = SP_PARM->_stdscr; + + pan->win = win; + pan->below = (PANEL *)0; + pan->above = (PANEL *)0; + InitUser(stdscr); + _nc_bottom_panel = _nc_top_panel = pan; + } } return _nc_stdscr_pseudo_panel; } -PANEL * +PANEL_EXPORT(PANEL *) new_panel(WINDOW *win) { - PANEL *pan = (PANEL*)0; + PANEL *pan = (PANEL *)0; + + GetWindowHook(win); - (void)root_panel(); + T((T_CALLED("new_panel(%p)"), (void *)win)); + + if (!win) + returnPanel(pan); + + if (!_nc_stdscr_pseudo_panel) + (void)root_panel(NCURSES_SP_ARG); assert(_nc_stdscr_pseudo_panel); - if (!(win->_flags & _ISPAD) && (pan = (PANEL*)malloc(sizeof(PANEL)))) + if (!(win->_flags & _ISPAD) && (pan = AllocPanel("new_panel"))) { pan->win = win; pan->above = (PANEL *)0; pan->below = (PANEL *)0; -#ifdef TRACE - pan->user = "new"; -#else - pan->user = (char *)0; -#endif + InitUser(new); (void)show_panel(pan); } - return(pan); + returnPanel(pan); }