examples/form2.rb in ncursesw-1.4.10 vs examples/form2.rb in ncursesw-1.4.11

@@ -1,16 +1,16 @@
 #!/usr/bin/ruby
 # Copyright (c) 2004 by Simon Kaczor <[e-mail]>
 # Simple example of a form in action, based on the NCURSES Programming HOWTO:
 # http://www.tldp.org/HOWTO/NCURSES-Programming-HOWTO/
 #
-# All standard field types are created in the form. 
-# Additionnally a custom field is created to illustrate 
+# All standard field types are created in the form.
+# Additionnally a custom field is created to illustrate
 # custom field validation using Ruby Proc objects, as shown in the example.
 #
 # The original example contained the following copyright:
-# Copyright (c) 2001 by Pradeep Padala. This document may be distributed 
+# Copyright (c) 2001 by Pradeep Padala. This document may be distributed
 # under the terms set forth in the LDP license at linuxdoc.org/COPYRIGHT.html.
 
 require 'ncursesw'
 
 include Ncurses
@@ -42,24 +42,24 @@
   Ncurses.refresh();
 end
 
 fields = Array.new
 
-states = {"MI" => "Michigan", 
-          "VA" => "Virginia", 
+states = {"MI" => "Michigan",
+          "VA" => "Virginia",
           "VE" => "Vermont"}
-fieldcheck = proc { |afield| 
+fieldcheck = proc { |afield|
   val = afield.field_buffer(0)
   val.strip!
-  if (states[val] != nil) 
+  if (states[val] != nil)
     afield.set_field_buffer(0,states[val])
     return true
   else
     return false
   end
 }
-charcheck = proc { |ch| 
+charcheck = proc { |ch|
   if (('A'..'Z').include?(ch))
     return true
   else
     return false
   end
@@ -71,11 +71,11 @@
   Ncurses.start_color();
   Ncurses.cbreak();
   Ncurses.noecho();
   Ncurses.keypad(stdscr, true);
 
-  # Initialize few color pairs 
+  # Initialize few color pairs
   Ncurses.init_pair(1, COLOR_RED, COLOR_BLACK);
   Ncurses.init_pair(2, COLOR_BLACK, COLOR_WHITE);
   Ncurses.init_pair(3, COLOR_BLACK, COLOR_BLUE);
   stdscr.bkgd(Ncurses.COLOR_PAIR(2));
 
@@ -106,11 +106,11 @@
   # Calculate the area required for the form
   rows = Array.new()
   cols = Array.new()
   my_form.scale_form(rows, cols);
 
-  # Create the window to be associated with the form 
+  # Create the window to be associated with the form
   my_form_win = WINDOW.new(rows[0] + 3, cols[0] + 14, 1, 1);
   my_form_win.bkgd(Ncurses.COLOR_PAIR(3));
   my_form_win.keypad(TRUE);
 
   # Set main window and sub window
@@ -131,11 +131,11 @@
   my_form_win.mvaddstr(12, 2, "Numeric")
   my_form_win.mvaddstr(14, 2, "Enum")
   my_form_win.mvaddstr(16, 2, "Regexp")
   my_form_win.mvaddstr(18, 2, "IP")
   my_form_win.mvaddstr(20, 2, "Custom")
-  
+
   my_form_win.wrefresh();
 
   stdscr.mvprintw(Ncurses.LINES - 2, 28, "Use UP, DOWN arrow keys to switch between fields");
   stdscr.mvprintw(Ncurses.LINES - 1, 28, "Press F1 to quit");
   stdscr.refresh();
@@ -148,11 +148,11 @@
       my_form.form_driver(REQ_VALIDATION);
       my_form.form_driver(REQ_NEXT_FIELD);
       # Go to the end of the present buffer
       # Leaves nicely at the last character
       my_form.form_driver(REQ_END_LINE);
-      
+
     when KEY_UP
       # Go to previous field
       my_form.form_driver(REQ_VALIDATION);
       my_form.form_driver(REQ_PREV_FIELD);
       my_form.form_driver(REQ_END_LINE);
@@ -166,10 +166,10 @@
       my_form.form_driver(REQ_NEXT_CHAR);
 
     when KEY_BACKSPACE
       my_form.form_driver(REQ_DEL_PREV);
     else
-      # If this is a normal character, it gets Printed    
+      # If this is a normal character, it gets Printed
       my_form.form_driver(ch);
     end
   end
   # Un post form and free the memory
   my_form.unpost_form();