10e3d5408SPeter Wemm /****************************************************************************
24a1a9510SRong-En Fan * Copyright 2020,2021 Thomas E. Dickey *
30e3d5408SPeter Wemm * 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
304a1a9510SRong-En Fan /****************************************************************************
310e3d5408SPeter Wemm * Author: Juergen Pfeifer, 1995,1997 *
320e3d5408SPeter Wemm ****************************************************************************/
330e3d5408SPeter Wemm
340e3d5408SPeter Wemm /***************************************************************************
350e3d5408SPeter Wemm * Module m_new *
360e3d5408SPeter Wemm * Creation and destruction of new menus *
370e3d5408SPeter Wemm ***************************************************************************/
380e3d5408SPeter Wemm
390e3d5408SPeter Wemm #include "menu.priv.h"
404a1a9510SRong-En Fan
410e3d5408SPeter Wemm MODULE_ID("$Id: m_new.c,v 1.26 2021/02/13 19:43:10 tom Exp $")
420e3d5408SPeter Wemm
430e3d5408SPeter Wemm /*---------------------------------------------------------------------------
440e3d5408SPeter Wemm | Facility : libnmenu
450e3d5408SPeter Wemm | Function : MENU* _nc_new_menu(SCREEN*, ITEM **items)
460e3d5408SPeter Wemm |
470e3d5408SPeter Wemm | Description : Creates a new menu connected to the item pointer
480e3d5408SPeter Wemm | array items and returns a pointer to the new menu.
490e3d5408SPeter Wemm | The new menu is initialized with the values from the
500e3d5408SPeter Wemm | default menu.
510e3d5408SPeter Wemm |
520e3d5408SPeter Wemm | Return Values : NULL on error
537a69bbfbSPeter Wemm +--------------------------------------------------------------------------*/
MENU_EXPORT(MENU *)547a69bbfbSPeter Wemm MENU_EXPORT(MENU *)
550e3d5408SPeter Wemm NCURSES_SP_NAME(new_menu) (NCURSES_SP_DCLx ITEM **items)
564a1a9510SRong-En Fan {
570e3d5408SPeter Wemm int err = E_SYSTEM_ERROR;
580e3d5408SPeter Wemm MENU *menu = typeCalloc(MENU, 1);
594a1a9510SRong-En Fan
600e3d5408SPeter Wemm T((T_CALLED("new_menu(%p,%p)"), (void *)SP_PARM, (void *)items));
610e3d5408SPeter Wemm if (menu)
620e3d5408SPeter Wemm {
630e3d5408SPeter Wemm T((T_CREATE("menu %p"), (void *)menu));
640e3d5408SPeter Wemm *menu = _nc_Default_Menu;
650e3d5408SPeter Wemm menu->status = 0;
660e3d5408SPeter Wemm menu->rows = menu->frows;
670e3d5408SPeter Wemm menu->cols = menu->fcols;
680e3d5408SPeter Wemm #if NCURSES_SP_FUNCS
690e3d5408SPeter Wemm /* This ensures userwin and usersub are always non-null,
704a1a9510SRong-En Fan so we can derive always the SCREEN that this menu is
710e3d5408SPeter Wemm running on. */
720e3d5408SPeter Wemm menu->userwin = SP_PARM->_stdscr;
730e3d5408SPeter Wemm menu->usersub = SP_PARM->_stdscr;
740e3d5408SPeter Wemm #endif
750e3d5408SPeter Wemm if (items && *items)
760e3d5408SPeter Wemm {
770e3d5408SPeter Wemm if (!_nc_Connect_Items(menu, items))
784a1a9510SRong-En Fan {
790e3d5408SPeter Wemm err = E_NOT_CONNECTED;
804a1a9510SRong-En Fan free(menu);
810e3d5408SPeter Wemm menu = (MENU *)0;
820e3d5408SPeter Wemm }
830e3d5408SPeter Wemm else
840e3d5408SPeter Wemm err = E_OK;
850e3d5408SPeter Wemm }
860e3d5408SPeter Wemm }
870e3d5408SPeter Wemm
880e3d5408SPeter Wemm if (!menu)
890e3d5408SPeter Wemm SET_ERROR(err);
900e3d5408SPeter Wemm
910e3d5408SPeter Wemm returnMenu(menu);
920e3d5408SPeter Wemm }
930e3d5408SPeter Wemm
947a69bbfbSPeter Wemm /*---------------------------------------------------------------------------
957a69bbfbSPeter Wemm | Facility : libnmenu
960e3d5408SPeter Wemm | Function : MENU *new_menu(ITEM **items)
974a1a9510SRong-En Fan |
980e3d5408SPeter Wemm | Description : Creates a new menu connected to the item pointer
990e3d5408SPeter Wemm | array items and returns a pointer to the new menu.
1000e3d5408SPeter Wemm | The new menu is initialized with the values from the
1010e3d5408SPeter Wemm | default menu.
1020e3d5408SPeter Wemm |
1030e3d5408SPeter Wemm | Return Values : NULL on error
1040e3d5408SPeter Wemm +--------------------------------------------------------------------------*/
1050e3d5408SPeter Wemm #if NCURSES_SP_FUNCS
1060e3d5408SPeter Wemm MENU_EXPORT(MENU *)
new_menu(ITEM ** items)1070e3d5408SPeter Wemm new_menu(ITEM **items)
1080e3d5408SPeter Wemm {
1090e3d5408SPeter Wemm return NCURSES_SP_NAME(new_menu) (CURRENT_SCREEN, items);
1100e3d5408SPeter Wemm }
1110e3d5408SPeter Wemm #endif
1120e3d5408SPeter Wemm
1130e3d5408SPeter Wemm /*---------------------------------------------------------------------------
1140e3d5408SPeter Wemm | Facility : libnmenu
115 | Function : int free_menu(MENU *menu)
116 |
117 | Description : Disconnects menu from its associated item pointer
118 | array and frees the storage allocated for the menu.
119 |
120 | Return Values : E_OK - success
121 | E_BAD_ARGUMENT - Invalid menu pointer passed
122 | E_POSTED - Menu is already posted
123 +--------------------------------------------------------------------------*/
124 MENU_EXPORT(int)
free_menu(MENU * menu)125 free_menu(MENU *menu)
126 {
127 T((T_CALLED("free_menu(%p)"), (void *)menu));
128 if (!menu)
129 RETURN(E_BAD_ARGUMENT);
130
131 if (menu->status & _POSTED)
132 RETURN(E_POSTED);
133
134 if (menu->items)
135 _nc_Disconnect_Items(menu);
136
137 if ((menu->status & _MARK_ALLOCATED) && menu->mark)
138 free(menu->mark);
139
140 free(menu);
141 RETURN(E_OK);
142 }
143
144 /* m_new.c ends here */
145