ncurses 4.2

[ncurses.git] / menu / m_scale.c

diff --git a/menu/m_scale.c b/menu/m_scale.c
new file mode 100644 (file)
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--- /dev/null
+++ b/menu/m_scale.c
@@ -0,0 +1,71 @@
+/****************************************************************************
+ * Copyright (c) 1998 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 <Juergen.Pfeifer@T-Online.de> 1995,1997        *
+ ****************************************************************************/
+
+/***************************************************************************
+* Module m_scale                                                           *
+* Menu scaling routine                                                     *
+***************************************************************************/
+
+#include "menu.priv.h"
+
+MODULE_ID("$Id: m_scale.c,v 1.2 1998/02/11 12:13:50 tom Exp $")
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu  
+|   Function      :  int scale_menu(const MENU *menu)
+|   
+|   Description   :  Returns the minimum window size necessary for the
+|                    subwindow of menu.  
+|
+|   Return Values :  E_OK                  - success
+|                    E_BAD_ARGUMENT        - invalid menu pointer
+|                    E_NOT_CONNECTED       - no items are connected to menu
++--------------------------------------------------------------------------*/
+int scale_menu(const MENU *menu, int *rows, int *cols)
+{
+  if (!menu) 
+    RETURN( E_BAD_ARGUMENT );
+  
+  if (menu->items && *(menu->items))
+    {
+      if (rows)
+       *rows = menu->height;
+      if (cols)
+       *cols = menu->width;
+      RETURN(E_OK);
+    }
+  else
+    RETURN( E_NOT_CONNECTED );
+}
+
+/* m_scale.c ends here */
+