sup

commit 51be8df1e23fa9541d00a71ce7165e60471e35b0
parent c480a772f5767cf0c6bfc61a53db5eb3bb9e6634
Author: Rich Lane <rlane@club.cc.cmu.edu>
Date:   Mon,  1 Mar 2010 21:04:32 -0800

fix textfield history

Diffstat:

1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/lib/sup/textfield.rb b/lib/sup/textfield.rb
@@ -67,6 +67,7 @@ class TextField
     when Ncurses::KEY_ENTER # submit!
       @value = get_cursed_value
       @history.push @value unless @value =~ /^\s*$/
+      @i = @history.size
       return false
     when Ncurses::KEY_CANCEL # cancel
       @value = nil
@@ -122,13 +123,13 @@ class TextField
         Ncurses::Form.form_driver @form, Ncurses::Form::REQ_PREV_CHAR
         Ncurses::Form.form_driver @form, Ncurses::Form::REQ_DEL_WORD
       when Ncurses::KEY_UP, Ncurses::KEY_DOWN
-        unless @history.empty?
+        unless !@i || @history.empty?
           value = get_cursed_value
-          @i ||= @history.size
           #debug "history before #{@history.inspect}"
-          @history[@i] = value #unless value =~ /^\s*$/
-          @i = (@i + (c == Ncurses::KEY_UP ? -1 : 1)) % @history.size
-          @value = @history[@i]
+          @i = @i + (c == Ncurses::KEY_UP ? -1 : 1)
+          @i = 0 if @i < 0
+          @i = @history.size if @i > @history.size
+          @value = @history[@i] || ''
           #debug "history after #{@history.inspect}"
           set_cursed_value @value
           Ncurses::Form::REQ_END_FIELD