lib/dialog_tui.rb in dialog_tui-0.1.2 vs lib/dialog_tui.rb in dialog_tui-0.1.3

@@ -53,10 +53,11 @@
     end
 
     def run
       begin
         # print_usage  #...
+        before_draw!  # like controller method here...
         print_options  # would be nice to have a printer...
 
         done = false
         
         user_action { |key|
@@ -97,10 +98,19 @@
     def ctrl_c &block
       @ctrl_c ||= []
       @ctrl_c << block
     end
 
+    def before_draw &block
+      @before_draw ||= []
+      @before_draw << block
+    end
+    def before_draw!
+      @before_draw.each &:call if @before_draw
+    end
+    # third => to DRY I guess
+
     private
     def print_options
       puts '-'*10
       @options.each &:print
       puts '-'*10
@@ -175,21 +185,28 @@
         ctrl_c do
           puts 'ctrl+c worked!'
           exit 0
         end
 
+        before_draw do
+          system 'clear'
+          puts
+          puts ?_*10
+          puts 'manual testing here - use arrows and enter'
+          puts 'no way to fail it - just look at behavior'
+          puts 'ctrl+c when finished'
+        end
+
       }.
       tap { |result|
         raise unless result.nil?
         # because it works for effect, not for return value
       }
   
     end
   end
   
-  puts
-  puts ?_*10
-  puts 'manual testing here - use arrows and enter'
-  puts 'no way to fail it - just look at behavior'
-  puts 'ctrl+c when finished'
-  My.new.act
+  loop {
+    My.new.act
+    gets
+  }
 end