read_line.rb in ncursesw-1.4.5

- old
+ new

@@ -4,10 +4,14 @@
 # Unfinished read_line function
 #
 # Written 2003, 2004 by Tobias Peters
 # No warranties
 # Share and enjoy!
+#
+# 2014: Updated by Gaute Hope
+# Note: This is not wide char / unicode safe - take a look at
+#       form_get_wch.rb for a better example.
 
 require "ncursesw"
 
 # read_line returns an array
 # [string, last_cursor_position_in_string, keycode_of_terminating_enter_key].
@@ -24,11 +28,11 @@
     case ch
     when Ncurses::KEY_LEFT
       cursor_pos = [0, cursor_pos-1].max
     when Ncurses::KEY_RIGHT
       # similar, implement yourself !
-    when Ncurses::KEY_ENTER, ?\n, ?\r
+    when Ncurses::KEY_ENTER, "\n".ord
       return string, cursor_pos, ch # Which return key has been used?
     when Ncurses::KEY_BACKSPACE
       string = string[0...([0, cursor_pos-1].max)] + string[cursor_pos..-1]
       cursor_pos = [0, cursor_pos-1].max
       window.mvaddstr(y, x+string.length, " ")
@@ -36,13 +40,15 @@
     when " ".ord..255 # remaining printables
       if (cursor_pos < max_len)
         string[cursor_pos,0] = ch.chr
         cursor_pos += 1
       else
+        Ncurses.mvprintw(15, 10, "A: Got: #{ch.inspect} (#{[ch].pack("U")})")
         Ncurses.beep
       end
     else
+      Ncurses.mvprintw(16, 10, "B: Got: #{ch.inspect} (#{[ch].pack("U")})")
       Ncurses.beep
     end
   end
 end
 
@@ -52,9 +58,10 @@
   Ncurses.cbreak
   Ncurses.noecho
 
   # recognize KEY_ENTER, KEY_BACKSPACE  etc
   Ncurses.keypad(Ncurses.stdscr, true)
+  #Ncurses.nonl()
 
   y = 10
   x = 2
   prompt = "Hallo > "
   Ncurses.mvaddstr(y,x, prompt)