Better logging to detect window class

mrbgem.rake

@@ -9,5 +9,5 @@ MRuby::Gem::Specification.new('xkremap') do |spec|
   spec.add_dependency 'mruby-io',          mgem: 'mruby-io'
   spec.add_dependency 'mruby-process',     mgem: 'mruby-process'
   spec.add_dependency 'mruby-onig-regexp', mgem: 'mruby-onig-regexp'
-  spec.add_dependency 'mruby-shellwords',          mgem: 'mruby-shellwords'
+  spec.add_dependency 'mruby-shellwords',  mgem: 'mruby-shellwords'
 end

mrblib/xkremap/event_handler.rb

@@ -25,7 +25,6 @@ module Xkremap
     end
 
     def handle_mapping_notify
-      puts 'mapping changed!'
       remap_keys
     end
 
@@ -35,7 +34,6 @@ module Xkremap
       window = @active_window.current_window
       @key_press_handlers = @key_remap_compiler.compile_for(window)
       @grab_manager.grab_keys_for(window)
-      puts 'remap keys!'
     end
   end
 end

mrblib/xkremap/grab_manager.rb

@@ -13,6 +13,9 @@ module Xkremap
         from = remap.from_key
         XlibWrapper.grab_key(@display, from.keysym, from.modifier)
       end
+
+      # TODO: remove this log
+      puts "remapped for class: #{XlibWrapper.fetch_window_class(@display, window).inspect}"
     end
   end
 end

mrblib/xkremap/key_remap_compiler.rb

@@ -29,7 +29,7 @@ module Xkremap
           when :release
             Proc.new { XlibWrapper.release_key(@display, to.keysym, to.modifier) }
           when :execute
-            Proc.new { system("nohup /bin/sh -c #{to.command.shellescape} &") }
+            Proc.new { system("nohup /bin/sh -c #{to.command.shellescape} >/dev/null 2>&1 &") }
           else
             raise "unexpected action: #{to.action.inspect}"
           end