Add include_config directive

examples/multi_config.rb

@@ -0,0 +1,3 @@
+include_config 'emacs_like'
+include_config 'slack'
+include_config 'window_switcher'

mrblib/xkremap/config.rb

@@ -28,15 +28,17 @@ module Xkremap
         exit 1
       end
 
-      config = self.new
+      config_dir = File.dirname(File.expand_path(filename))
+      config = self.new(config_dir)
       ConfigDSL.new(config).instance_eval(File.read(filename))
       config
     end
 
-    attr_reader :remaps_by_window
+    attr_reader :remaps_by_window, :config_dir
 
-    def initialize
+    def initialize(config_dir)
       @remaps_by_window = Hash.new { |h, k| h[k] = [] }
+      @config_dir = config_dir
     end
 
     def remaps_for(display, window)

mrblib/xkremap/config_dsl.rb

@@ -42,6 +42,13 @@ module Xkremap
       ConfigDSL.define_method(name, &block)
     end
 
+    def include_config(filename)
+      path = File.expand_path(filename, @config.config_dir)
+      path << '.rb' unless path.start_with?('.rb')
+      raise "config file not found!: #{path.inspect}" unless File.exist?(path)
+      instance_eval(File.read(path))
+    end
+
     private
 
     def compile_exp(exp)