#include "menu.priv.h"
MODULE_ID("$Id: m_post.c,v 1.26 2004/12/25 23:57:04 tom Exp $")
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);
wattron(menu->win, menu->back);
if (item->value || (item == menu->curitem))
{
if (menu->marklen)
{
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
for (ch = ' ', i = menu->marklen; i > 0; i--)
waddch(menu->win, ch);
wattroff(menu->win, menu->back);
count += menu->marklen;
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;
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))
mvwaddch(menu->win, cy + j, cx - 1, menu->pad);
}
wmove(menu->win, ncy, ncx);
if (!isback)
wattroff(menu->win, menu->back);
}
}
if (isfore)
wattroff(menu->win, menu->fore);
if (isback)
wattroff(menu->win, menu->back);
if (isgrey)
wattroff(menu->win, menu->grey);
}
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));
}
NCURSES_EXPORT(int)
post_menu(MENU * menu)
{
T((T_CALLED("post_menu(%p)"), 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, menu->width)))
{
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);
}
NCURSES_EXPORT(int)
unpost_menu(MENU * menu)
{
WINDOW *win;
T((T_CALLED("unpost_menu(%p)"), 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);
}