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coreboot-libre-fam15h-rdimm/payloads/libpayload/curses/menu/m_post.c

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/****************************************************************************
* Copyright (c) 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 *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_post *
* Write or erase menus from associated subwindows *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_post.c,v 1.29 2010/05/01 19:18:27 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void _nc_Post_Item(MENU *menu, ITEM *item)
|
| Description : Draw the item in the menus window at the current
| window position
|
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
_nc_Post_Item(const MENU * menu, const ITEM * item)
{
int i;
chtype ch;
int item_x, item_y;
int count = 0;
bool isfore = FALSE, isback = FALSE, isgrey = FALSE;
int name_len;
int desc_len;
assert(menu->win);
getyx(menu->win, item_y, item_x);
/* We need a marker iff
- it is a onevalued menu and it is the current item
- or it has a selection value
*/
wattron(menu->win, menu->back);
if (item->value || (item == menu->curitem))
{
if (menu->marklen)
{
/* In a multi selection menu we use the fore attribute
for a selected marker that is not the current one.
This improves visualization of the menu, because now
always the 'normal' marker denotes the current
item. */
if (!(menu->opt & O_ONEVALUE) && item->value && item != menu->curitem)
{
wattron(menu->win, menu->fore);
isfore = TRUE;
}
waddstr(menu->win, menu->mark);
if (isfore)
{
wattron(menu->win, menu->fore);
isfore = FALSE;
}
}
}
else /* otherwise we have to wipe out the marker area */
for (ch = ' ', i = menu->marklen; i > 0; i--)
waddch(menu->win, ch);
wattroff(menu->win, menu->back);
count += menu->marklen;
/* First we have to calculate the attribute depending on selectability
and selection status
*/
if (!(item->opt & O_SELECTABLE))
{
wattron(menu->win, menu->grey);
isgrey = TRUE;
}
else
{
if (item->value || item == menu->curitem)
{
wattron(menu->win, menu->fore);
isfore = TRUE;
}
else
{
wattron(menu->win, menu->back);
isback = TRUE;
}
}
waddnstr(menu->win, item->name.str, item->name.length);
name_len = _nc_Calculate_Text_Width(&(item->name));
for (ch = ' ', i = menu->namelen - name_len; i > 0; i--)
{
waddch(menu->win, ch);
}
count += menu->namelen;
/* Show description if required and available */
if ((menu->opt & O_SHOWDESC) && menu->desclen > 0)
{
int m = menu->spc_desc / 2;
int cy = -1, cx = -1;
for (ch = ' ', i = 0; i < menu->spc_desc; i++)
{
if (i == m)
{
waddch(menu->win, menu->pad);
getyx(menu->win, cy, cx);
}
else
waddch(menu->win, ch);
}
if (item->description.length)
waddnstr(menu->win, item->description.str, item->description.length);
desc_len = _nc_Calculate_Text_Width(&(item->description));
for (ch = ' ', i = menu->desclen - desc_len; i > 0; i--)
{
waddch(menu->win, ch);
}
count += menu->desclen + menu->spc_desc;
if (menu->spc_rows > 1)
{
int j, k, ncy, ncx;
assert(cx >= 0 && cy >= 0);
getyx(menu->win, ncy, ncx);
if (isgrey)
wattroff(menu->win, menu->grey);
else if (isfore)
wattroff(menu->win, menu->fore);
wattron(menu->win, menu->back);
for (j = 1; j < menu->spc_rows; j++)
{
if ((item_y + j) < getmaxy(menu->win))
{
wmove(menu->win, item_y + j, item_x);
for (k = 0; k < count; k++)
waddch(menu->win, ' ');
}
if ((cy + j) < getmaxy(menu->win))
(void)mvwaddch(menu->win, cy + j, cx - 1, menu->pad);
}
wmove(menu->win, ncy, ncx);
if (!isback)
wattroff(menu->win, menu->back);
}
}
/* Remove attributes */
if (isfore)
wattroff(menu->win, menu->fore);
if (isback)
wattroff(menu->win, menu->back);
if (isgrey)
wattroff(menu->win, menu->grey);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void _nc_Draw_Menu(const MENU *)
|
| Description : Display the menu in its windows
|
| Return Values : -
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(void)
_nc_Draw_Menu(const MENU * menu)
{
ITEM *item = menu->items[0];
ITEM *lasthor, *lastvert;
ITEM *hitem;
int y = 0;
chtype s_bkgd;
assert(item && menu->win);
s_bkgd = getbkgd(menu->win);
wbkgdset(menu->win, menu->back);
werase(menu->win);
wbkgdset(menu->win, s_bkgd);
lastvert = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : item;
do
{
wmove(menu->win, y, 0);
hitem = item;
lasthor = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : hitem;
do
{
_nc_Post_Item(menu, hitem);
wattron(menu->win, menu->back);
if (((hitem = hitem->right) != lasthor) && hitem)
{
int i, j, cy, cx;
chtype ch = ' ';
getyx(menu->win, cy, cx);
for (j = 0; j < menu->spc_rows; j++)
{
wmove(menu->win, cy + j, cx);
for (i = 0; i < menu->spc_cols; i++)
{
waddch(menu->win, ch);
}
}
wmove(menu->win, cy, cx + menu->spc_cols);
}
}
while (hitem && (hitem != lasthor));
wattroff(menu->win, menu->back);
item = item->down;
y += menu->spc_rows;
}
while (item && (item != lastvert));
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int post_menu(MENU* menu)
|
| Description : Post a menu to the screen. This makes it visible.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - not a valid menu pointer
| E_SYSTEM_ERROR - error in lower layers
| E_NOT_CONNECTED - No items connected to menu
| E_BAD_STATE - Menu in userexit routine
| E_POSTED - Menu already posted
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
post_menu(MENU * menu)
{
T((T_CALLED("post_menu(%p)"), (void *)menu));
if (!menu)
RETURN(E_BAD_ARGUMENT);
if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
if (menu->status & _POSTED)
RETURN(E_POSTED);
if (menu->items && *(menu->items))
{
int y;
int h = 1 + menu->spc_rows * (menu->rows - 1);
WINDOW *win = Get_Menu_Window(menu);
int maxy = getmaxy(win);
if ((menu->win = newpad(h+2, menu->width+2)))
{
y = (maxy >= h) ? h : maxy;
if (y >= menu->height)
y = menu->height;
if (!(menu->sub = subpad(menu->win, y, menu->width, 0, 0)))
RETURN(E_SYSTEM_ERROR);
}
else
RETURN(E_SYSTEM_ERROR);
if (menu->status & _LINK_NEEDED)
_nc_Link_Items(menu);
}
else
RETURN(E_NOT_CONNECTED);
menu->status |= _POSTED;
if (!(menu->opt & O_ONEVALUE))
{
ITEM **items;
for (items = menu->items; *items; items++)
{
(*items)->value = FALSE;
}
}
_nc_Draw_Menu(menu);
Call_Hook(menu, menuinit);
Call_Hook(menu, iteminit);
_nc_Show_Menu(menu);
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int unpost_menu(MENU*)
|
| Description : Detach menu from screen
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - not a valid menu pointer
| E_BAD_STATE - menu in userexit routine
| E_NOT_POSTED - menu is not posted
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
unpost_menu(MENU * menu)
{
WINDOW *win;
T((T_CALLED("unpost_menu(%p)"), (void *)menu));
if (!menu)
RETURN(E_BAD_ARGUMENT);
if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
if (!(menu->status & _POSTED))
RETURN(E_NOT_POSTED);
Call_Hook(menu, itemterm);
Call_Hook(menu, menuterm);
win = Get_Menu_Window(menu);
werase(win);
wsyncup(win);
assert(menu->sub);
delwin(menu->sub);
menu->sub = (WINDOW *)0;
assert(menu->win);
delwin(menu->win);
menu->win = (WINDOW *)0;
menu->status &= ~_POSTED;
RETURN(E_OK);
}
/* m_post.c ends here */
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