/****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2004,2009 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 *
****************************************************************************/
/****************************************************************************
- * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
+ * Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
/***************************************************************************
#include "menu.priv.h"
-MODULE_ID("$Id: m_post.c,v 1.16 1999/05/16 17:27:38 juergen Exp $")
+MODULE_ID("$Id: m_post.c,v 1.27 2009/02/28 21:02:46 juergen Exp $")
/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : void _nc_Post_Item(MENU *menu, ITEM *item)
-|
+| Facility : libnmenu
+| Function : void _nc_Post_Item(MENU *menu, ITEM *item)
+|
| Description : Draw the item in the menus window at the current
-| window position
+| window position
|
| Return Values : -
+--------------------------------------------------------------------------*/
-void _nc_Post_Item(const MENU * menu, const ITEM * item)
+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;
-
+ bool isfore = FALSE, isback = FALSE, isgrey = FALSE;
+ int name_len;
+ int desc_len;
+
assert(menu->win);
-
- getyx(menu->win,item_y,item_x);
-
+
+ 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))
+ */
+ wattron(menu->win, menu->back);
+ if (item->value || (item == menu->curitem))
{
- if (menu->marklen)
+ 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)
+ if (!(menu->opt & O_ONEVALUE) && item->value && item != menu->curitem)
{
- wattron(menu->win,menu->fore);
+ wattron(menu->win, menu->fore);
isfore = TRUE;
}
- waddstr(menu->win,menu->mark);
+ waddstr(menu->win, menu->mark);
if (isfore)
{
- wattron(menu->win,menu->fore);
+ 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);
+ 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);
+ wattron(menu->win, menu->grey);
isgrey = TRUE;
}
else
{
- if (item->value || item==menu->curitem)
+ if (item->value || item == menu->curitem)
{
- wattron(menu->win,menu->fore);
+ wattron(menu->win, menu->fore);
isfore = TRUE;
}
else
{
- wattron(menu->win,menu->back);
+ wattron(menu->win, menu->back);
isback = TRUE;
}
}
- waddnstr(menu->win,item->name.str,item->name.length);
- for(ch=' ',i=menu->namelen-item->name.length;i>0;i--)
+ 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);
+ waddch(menu->win, ch);
}
count += menu->namelen;
/* Show description if required and available */
- if ( (menu->opt & O_SHOWDESC) && menu->desclen>0 )
+ if ((menu->opt & O_SHOWDESC) && menu->desclen > 0)
{
- int m = menu->spc_desc/2;
+ int m = menu->spc_desc / 2;
int cy = -1, cx = -1;
- for(ch=' ',i=0; i < menu->spc_desc; i++)
+ for (ch = ' ', i = 0; i < menu->spc_desc; i++)
{
- if (i==m)
+ if (i == m)
{
- waddch(menu->win,menu->pad);
- getyx(menu->win,cy,cx);
+ waddch(menu->win, menu->pad);
+ getyx(menu->win, cy, cx);
}
else
- waddch(menu->win,ch);
+ waddch(menu->win, ch);
}
if (item->description.length)
- waddnstr(menu->win,item->description.str,item->description.length);
- for(ch=' ',i=menu->desclen-item->description.length; i>0; i--)
+ 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);
+ waddch(menu->win, ch);
}
count += menu->desclen + menu->spc_desc;
{
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++)
+ 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))
+ if ((item_y + j) < getmaxy(menu->win))
{
- wmove (menu->win,item_y+j,item_x);
- for(k=0;k<count;k++)
- waddch(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);
+ if ((cy + j) < getmaxy(menu->win))
+ mvwaddch(menu->win, cy + j, cx - 1, menu->pad);
}
- wmove(menu->win,ncy,ncx);
+ wmove(menu->win, ncy, ncx);
if (!isback)
- wattroff(menu->win,menu->back);
+ wattroff(menu->win, menu->back);
}
}
-
+
/* Remove attributes */
if (isfore)
- wattroff(menu->win,menu->fore);
+ wattroff(menu->win, menu->fore);
if (isback)
- wattroff(menu->win,menu->back);
+ wattroff(menu->win, menu->back);
if (isgrey)
- wattroff(menu->win,menu->grey);
-}
+ wattroff(menu->win, menu->grey);
+}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
+| Facility : libnmenu
| Function : void _nc_Draw_Menu(const MENU *)
-|
+|
| Description : Display the menu in its windows
|
| Return Values : -
+--------------------------------------------------------------------------*/
-void _nc_Draw_Menu(const MENU * menu)
+NCURSES_EXPORT(void)
+_nc_Draw_Menu(const MENU * menu)
{
ITEM *item = menu->items[0];
ITEM *lasthor, *lastvert;
assert(item && menu->win);
s_bkgd = getbkgd(menu->win);
- wbkgdset(menu->win,menu->back);
+ wbkgdset(menu->win, menu->back);
werase(menu->win);
- wbkgdset(menu->win,s_bkgd);
+ wbkgdset(menu->win, s_bkgd);
- lastvert = (menu->opt & O_NONCYCLIC) ? (ITEM *)0 : item;
+ lastvert = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : item;
do
- {
- wmove(menu->win,y,0);
+ {
+ wmove(menu->win, y, 0);
+
+ hitem = item;
+ lasthor = (menu->opt & O_NONCYCLIC) ? (ITEM *) 0 : hitem;
- hitem = item;
- lasthor = (menu->opt & O_NONCYCLIC) ? (ITEM *)0 : hitem;
-
do
{
- _nc_Post_Item( menu, hitem);
+ _nc_Post_Item(menu, hitem);
- wattron(menu->win,menu->back);
- if ( ((hitem = hitem->right) != lasthor) && hitem )
+ wattron(menu->win, menu->back);
+ if (((hitem = hitem->right) != lasthor) && hitem)
{
- int i,j, cy, cx;
+ int i, j, cy, cx;
chtype ch = ' ';
- getyx(menu->win,cy,cx);
- for(j=0;j<menu->spc_rows;j++)
+ 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++)
+ wmove(menu->win, cy + j, cx);
+ for (i = 0; i < menu->spc_cols; i++)
{
- waddch( menu->win,ch);
+ waddch(menu->win, ch);
}
}
- wmove(menu->win,cy,cx+menu->spc_cols);
+ wmove(menu->win, cy, cx + menu->spc_cols);
}
- } while (hitem && (hitem != lasthor));
- wattroff(menu->win,menu->back);
-
+ }
+ while (hitem && (hitem != lasthor));
+ wattroff(menu->win, menu->back);
+
item = item->down;
y += menu->spc_rows;
-
- } while( item && (item != lastvert) );
+
+ }
+ while (item && (item != lastvert));
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : int post_menu(MENU *)
-|
+| 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_NO_ROOM - Menu to large for screen
| E_NOT_CONNECTED - No items connected to menu
| E_BAD_STATE - Menu in userexit routine
| E_POSTED - Menu already posted
+--------------------------------------------------------------------------*/
-int post_menu(MENU * menu)
+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 )
+
+ if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
- if ( menu->status & _POSTED )
+ if (menu->status & _POSTED)
RETURN(E_POSTED);
-
+
if (menu->items && *(menu->items))
{
int y;
WINDOW *win = Get_Menu_Window(menu);
int maxy = getmaxy(win);
- int maxx = getmaxx(win);
-
- if (maxx < menu->width || maxy < menu->height)
- RETURN(E_NO_ROOM);
- if ( (menu->win = newpad(h,menu->width)) )
+ if ((menu->win = newpad(h, menu->width)))
{
y = (maxy >= h) ? h : maxy;
- if (y>=menu->height)
+ if (y >= menu->height)
y = menu->height;
- if(!(menu->sub = subpad(menu->win,y,menu->width,0,0)))
+ 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)
+ 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))
+ if (!(menu->opt & O_ONEVALUE))
{
ITEM **items;
-
- for(items=menu->items;*items;items++)
+
+ for (items = menu->items; *items; items++)
{
(*items)->value = FALSE;
}
}
-
+
_nc_Draw_Menu(menu);
-
- Call_Hook(menu,menuinit);
- Call_Hook(menu,iteminit);
-
+
+ Call_Hook(menu, menuinit);
+ Call_Hook(menu, iteminit);
+
_nc_Show_Menu(menu);
-
+
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
-| Facility : libnmenu
-| Function : int unpost_menu(MENU *)
-|
+| Facility : libnmenu
+| Function : int unpost_menu(MENU*)
+|
| Description : Detach menu from screen
|
| Return Values : E_OK - success
| E_BAD_STATE - menu in userexit routine
| E_NOT_POSTED - menu is not posted
+--------------------------------------------------------------------------*/
-int unpost_menu(MENU * menu)
+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 )
+
+ if (menu->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
- if ( !( menu->status & _POSTED ) )
+ if (!(menu->status & _POSTED))
RETURN(E_NOT_POSTED);
-
- Call_Hook(menu,itemterm);
- Call_Hook(menu,menuterm);
-
+
+ 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);
}
projects / ncurses.git / blobdiff