ncurses 5.7 - patch 20100123

[ncurses.git] / menu / m_format.c

diff --git a/menu/m_format.c b/menu/m_format.c
index 829fbe8caf6fe51d96e7c3b9611d01a7c49b5d9d..8e68a036ee2eff08d4f683d3c0f3ecc1b5616acf 100644 (file)
--- a/menu/m_format.c
+++ b/menu/m_format.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            *
  *                                                                          *
  * 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 <juergen.pfeifer@gmx.net> 1995,1997            *
+ *   Author:  Juergen Pfeifer, 1995,1997                                    *

  ****************************************************************************/
 
 /***************************************************************************
  ****************************************************************************/
 
 /***************************************************************************


@@ -37,14 +37,14 @@
 
 #include "menu.priv.h"
 
 
 #include "menu.priv.h"
 

-MODULE_ID("$Id: m_format.c,v 1.9 1999/05/16 17:25:04 juergen Exp $")
+MODULE_ID("$Id: m_format.c,v 1.16 2010/01/23 21:20:10 tom Exp $")

 
 #define minimum(a,b) ((a)<(b) ? (a): (b))
 
 /*---------------------------------------------------------------------------
 
 #define minimum(a,b) ((a)<(b) ? (a): (b))
 
 /*---------------------------------------------------------------------------

-|   Facility      :  libnmenu  
+|   Facility      :  libnmenu

 |   Function      :  int set_menu_format(MENU *menu, int rows, int cols)
 |   Function      :  int set_menu_format(MENU *menu, int rows, int cols)

-|   
+|

 |   Description   :  Sets the maximum number of rows and columns of items
 |                    that may be displayed at one time on a menu. If the
 |                    menu contains more items than can be displayed at
 |   Description   :  Sets the maximum number of rows and columns of items
 |                    that may be displayed at one time on a menu. If the
 |                    menu contains more items than can be displayed at


@@ -55,42 +55,45 @@ MODULE_ID("$Id: m_format.c,v 1.9 1999/05/16 17:25:04 juergen Exp $")
 |                    E_NOT_CONNECTED        - there are no items connected
 |                    E_POSTED               - the menu is already posted
 +--------------------------------------------------------------------------*/
 |                    E_NOT_CONNECTED        - there are no items connected
 |                    E_POSTED               - the menu is already posted
 +--------------------------------------------------------------------------*/

-int set_menu_format(MENU *menu, int rows, int cols)
+NCURSES_EXPORT(int)
+set_menu_format(MENU * menu, int rows, int cols)

 {
   int total_rows, total_cols;
 {
   int total_rows, total_cols;

-  
-  if (rows<0 || cols<0) 
+
+  T((T_CALLED("set_menu_format(%p,%d,%d)"), (void *)menu, rows, cols));
+
+  if (rows < 0 || cols < 0)

     RETURN(E_BAD_ARGUMENT);
     RETURN(E_BAD_ARGUMENT);

-  
+

   if (menu)
     {
   if (menu)
     {

-      if ( menu->status & _POSTED )
+      if (menu->status & _POSTED)

        RETURN(E_POSTED);
        RETURN(E_POSTED);

-      
+

       if (!(menu->items))
        RETURN(E_NOT_CONNECTED);
       if (!(menu->items))
        RETURN(E_NOT_CONNECTED);

-      
-      if (rows==0) 
+
+      if (rows == 0)

        rows = menu->frows;
        rows = menu->frows;

-      if (cols==0) 
+      if (cols == 0)

        cols = menu->fcols;
        cols = menu->fcols;

-      
+

       if (menu->pattern)
        Reset_Pattern(menu);
       if (menu->pattern)
        Reset_Pattern(menu);

-      
+

       menu->frows = rows;
       menu->fcols = cols;
       menu->frows = rows;
       menu->fcols = cols;

-      
-      assert(rows>0 && cols>0);
-      total_rows = (menu->nitems - 1)/cols + 1;
-      total_cols = (menu->status & O_ROWMAJOR) ? 
-       minimum(menu->nitems,cols) :
-         (menu->nitems-1)/total_rows + 1;
-      
-      menu->rows    = total_rows;
-      menu->cols    = total_cols;
-      menu->arows   = minimum(total_rows,rows); 
-      menu->toprow  = 0;       
+
+      assert(rows > 0 && cols > 0);
+      total_rows = (menu->nitems - 1) / cols + 1;
+      total_cols = (menu->opt & O_ROWMAJOR) ?
+       minimum(menu->nitems, cols) :
+       (menu->nitems - 1) / total_rows + 1;
+
+      menu->rows = total_rows;
+      menu->cols = total_cols;
+      menu->arows = minimum(total_rows, rows);
+      menu->toprow = 0;

       menu->curitem = *(menu->items);
       assert(menu->curitem);
       menu->status |= _LINK_NEEDED;
       menu->curitem = *(menu->items);
       assert(menu->curitem);
       menu->status |= _LINK_NEEDED;


@@ -98,23 +101,26 @@ int set_menu_format(MENU *menu, int rows, int cols)
     }
   else
     {
     }
   else
     {

-      if (rows>0) _nc_Default_Menu.frows = rows;
-      if (cols>0) _nc_Default_Menu.fcols = cols;
+      if (rows > 0)
+       _nc_Default_Menu.frows = rows;
+      if (cols > 0)
+       _nc_Default_Menu.fcols = cols;

     }
     }

-  
+

   RETURN(E_OK);
 }
 
 /*---------------------------------------------------------------------------
   RETURN(E_OK);
 }
 
 /*---------------------------------------------------------------------------

-|   Facility      :  libnmenu  
+|   Facility      :  libnmenu

 |   Function      :  void menu_format(const MENU *menu, int *rows, int *cols)
 |   Function      :  void menu_format(const MENU *menu, int *rows, int *cols)

-|   
+|

 |   Description   :  Returns the maximum number of rows and columns that may
 |                    be displayed at one time on menu.
 |
 |   Return Values :  -
 +--------------------------------------------------------------------------*/
 |   Description   :  Returns the maximum number of rows and columns that may
 |                    be displayed at one time on menu.
 |
 |   Return Values :  -
 +--------------------------------------------------------------------------*/

-void menu_format(const MENU *menu, int *rows, int *cols)
+NCURSES_EXPORT(void)
+menu_format(const MENU * menu, int *rows, int *cols)

 {
   if (rows)
     *rows = Normalize_Menu(menu)->frows;
 {
   if (rows)
     *rows = Normalize_Menu(menu)->frows;