Add shorthand for define_method

examples/window_switcher.rb

@@ -0,0 +1,19 @@
+define :activate do |query, options = {}|
+  command = options[:command] || query
+  execute(<<-SHELL)
+    match=$(wmctrl -l | grep "$(hostname) #{query}")
+    case $? in
+      1)
+        #{command}
+        ;;
+      0)
+        window_id=$(echo $match | tail -n1 | cut -d' ' -f1)
+        wmctrl -i -R $window_id
+        ;;
+    esac
+  SHELL
+end
+
+remap 'C-o', to: activate('Nocturn', command: 'nocturn')
+remap 'C-u', to: activate('.*Google Chrome$', command: 'google-chrome-stable')
+remap 'C-h', to: activate('urxvt')

mrbgem.rake

@@ -9,4 +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'
 end

mrblib/xkremap/config_dsl.rb

@@ -38,6 +38,10 @@ module Xkremap
       key
     end
 
+    def define(name, &block)
+      ConfigDSL.define_method(name, &block)
+    end
+
     private
 
     def compile_exp(exp)

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 #{to.command} >/dev/null 2>&1 &") }
+            Proc.new { system("nohup /bin/sh -c #{to.command.shellescape} &") }
           else
             raise "unexpected action: #{to.action.inspect}"
           end