X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=menu%2Fm_item_top.c;h=752e20d9edbb45a0d9428895983e73f737d02c06;hp=8825656054098dce1039cd14b23cde67737cd685;hb=3353ecc7ed0f1d3b4e6c7e8e98d92f469d593e35;hpb=661078ddbde3ce0f3b06e95642fbb9b5fef7dca1 diff --git a/menu/m_item_top.c b/menu/m_item_top.c index 88256560..752e20d9 100644 --- a/menu/m_item_top.c +++ b/menu/m_item_top.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998 Free Software Foundation, Inc. * + * Copyright (c) 1998-2004,2010 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 * @@ -27,7 +27,7 @@ ****************************************************************************/ /**************************************************************************** - * Author: Juergen Pfeifer 1995,1997 * + * Author: Juergen Pfeifer, 1995,1997 * ****************************************************************************/ /*************************************************************************** @@ -37,47 +37,50 @@ #include "menu.priv.h" -MODULE_ID("$Id: m_item_top.c,v 1.2 1998/02/11 12:13:50 tom Exp $") +MODULE_ID("$Id: m_item_top.c,v 1.11 2010/01/23 21:20:10 tom Exp $") /*--------------------------------------------------------------------------- | Facility : libnmenu | Function : int set_top_row(MENU *menu, int row) | -| Description : Makes the speified row the top row in the menu +| Description : Makes the specified row the top row in the menu | | Return Values : E_OK - success | E_BAD_ARGUMENT - not a menu pointer or invalid row | E_NOT_CONNECTED - there are no items for the menu +--------------------------------------------------------------------------*/ -int set_top_row(MENU * menu, int row) +NCURSES_EXPORT(int) +set_top_row(MENU * menu, int row) { ITEM *item; - + + T((T_CALLED("set_top_row(%p,%d)"), (void *)menu, row)); + if (menu) { - if ( menu->status & _IN_DRIVER ) + if (menu->status & _IN_DRIVER) RETURN(E_BAD_STATE); - if (menu->items == (ITEM **)0) + if (menu->items == (ITEM **) 0) RETURN(E_NOT_CONNECTED); - - if ((row<0) || (row > (menu->rows - menu->arows))) + + if ((row < 0) || (row > (menu->rows - menu->arows))) RETURN(E_BAD_ARGUMENT); } else RETURN(E_BAD_ARGUMENT); - + if (row != menu->toprow) { - if (menu->status & _LINK_NEEDED) + if (menu->status & _LINK_NEEDED) _nc_Link_Items(menu); - - item = menu->items[ (menu->opt&O_ROWMAJOR) ? (row*menu->cols) : row ]; + + item = menu->items[(menu->opt & O_ROWMAJOR) ? (row * menu->cols) : row]; assert(menu->pattern); Reset_Pattern(menu); _nc_New_TopRow_and_CurrentItem(menu, row, item); } - - RETURN(E_OK); + + RETURN(E_OK); } /*--------------------------------------------------------------------------- @@ -88,15 +91,17 @@ int set_top_row(MENU * menu, int row) | | Return Values : The row number or ERR if there is no row +--------------------------------------------------------------------------*/ -int top_row(const MENU * menu) +NCURSES_EXPORT(int) +top_row(const MENU * menu) { + T((T_CALLED("top_row(%p)"), (const void *)menu)); if (menu && menu->items && *(menu->items)) { - assert( (menu->toprow>=0) && (menu->toprow < menu->rows) ); - return menu->toprow; + assert((menu->toprow >= 0) && (menu->toprow < menu->rows)); + returnCode(menu->toprow); } else - return(ERR); + returnCode(ERR); } /* m_item_top.c ends here */