Implement C-Y (yank)

README.md

@@ -89,7 +89,7 @@ If you want to preserve the exact sequence of the input, provide `--no-sort` (or
 history | fzf +s
 ```
 
-### Key binding
+### Keys
 
 Use CTRL-J and CTRL-K (or CTRL-N and CTRL-P) to change the selection, press
 enter key to select the item. CTRL-C, CTRL-G, or ESC will terminate the finder.
@@ -98,7 +98,7 @@ The following readline key bindings should also work as expected.
 
 - CTRL-A / CTRL-E
 - CTRL-B / CTRL-F
-- CTRL-W / CTRL-U
+- CTRL-W / CTRL-U / CTRL-Y
 - ALT-B / ALT-F
 
 If you enable multi-select mode with `-m` option, you can select multiple items

fzf

@@ -7,7 +7,7 @@
 #  / __/ / /_/ __/
 # /_/   /___/_/    Fuzzy finder for your shell
 #
-# Version: 0.8.1 (March 9, 2014)
+# Version: 0.8.2 (March 15, 2014)
 #
 # Author:  Junegunn Choi
 # URL:     https://github.com/junegunn/fzf
@@ -906,6 +906,8 @@ class FZF
     begin
       input = @query.get.dup
       cursor = input.length
+      yanked = ''
+      mouse_event = MouseEvent.new
       backword = proc {
         cursor = (input[0, cursor].rindex(/\s\S/) || -1) + 1
       }
@@ -916,7 +918,11 @@ class FZF
           got = pick
           exit 0
         },
-        ctrl(:u) => proc { input = input[cursor..-1]; cursor = 0 },
+        ctrl(:u) => proc {
+          yanked = input[0...cursor] if cursor > 0
+          input = input[cursor..-1]
+          cursor = 0
+        },
         ctrl(:a) => proc { cursor = 0; nil },
         ctrl(:e) => proc { cursor = input.length; nil },
         ctrl(:j) => proc { vselect { |v| v - 1 } },
@@ -924,8 +930,10 @@ class FZF
         ctrl(:w) => proc {
           pcursor = cursor
           backword.call
+          yanked = input[cursor...pcursor] if pcursor > cursor
           input = input[0...cursor] + input[pcursor..-1]
         },
+        ctrl(:y) => proc { actions[:default].call yanked },
         ctrl(:h) => proc { input[cursor -= 1] = '' if cursor > 0 },
         ctrl(:i) => proc { |o|
           if @multi && sel = pick
@@ -952,21 +960,7 @@ class FZF
           cursor += (input[cursor..-1].index(/(\S\s)|(.$)/) || -1) + 1
           nil
         },
-      }
+        :default => proc { |val|
-      actions[ctrl(:p)] = actions[ctrl(:k)]
-      actions[ctrl(:n)] = actions[ctrl(:j)]
-      actions[:stab]    = actions[ctrl(:i)]
-      actions[127]      = actions[ctrl(:h)]
-      actions[ctrl(:q)] = actions[ctrl(:g)] = actions[ctrl(:c)] = actions[:esc]
-
-      emit(:key) { [@query.get, cursor] } unless @query.empty?
-      mouse = MouseEvent.new
-      while true
-        @cursor_x.set cursor
-        render { print_input }
-
-        if key = get_input(actions)
-          upd = actions.fetch(key, proc { |val|
           case val
           when String
             input.insert cursor, val
@@ -985,9 +979,9 @@ class FZF
                 when :click
                   vselect { |_| tv }
                   actions[ctrl(:i)].call(:sclick) if shift
-                    mouse.v = tv
+                  mouse_event.v = tv
                 when :release
-                    if !shift && mouse.double?(tv)
+                  if !shift && mouse_event.double?(tv)
                     actions[ctrl(:m)].call
                   end
                 end
@@ -998,7 +992,21 @@ class FZF
               actions[ctrl(diff > 0 ? :j : :k)].call
             end
           end
-          }).call(key)
+        }
+      }
+      actions[ctrl(:p)] = actions[ctrl(:k)]
+      actions[ctrl(:n)] = actions[ctrl(:j)]
+      actions[:stab]    = actions[ctrl(:i)]
+      actions[127]      = actions[ctrl(:h)]
+      actions[ctrl(:q)] = actions[ctrl(:g)] = actions[ctrl(:c)] = actions[:esc]
+
+      emit(:key) { [@query.get, cursor] } unless @query.empty?
+      while true
+        @cursor_x.set cursor
+        render { print_input }
+
+        if key = get_input(actions)
+          upd = actions.fetch(key, actions[:default]).call(key)
 
           # Dispatch key event
           emit(:key) { [@query.set(input.dup), cursor] } if upd

fzf.gemspec

@@ -1,7 +1,7 @@
 # coding: utf-8
 Gem::Specification.new do |spec|
   spec.name          = 'fzf'
-  spec.version       = '0.8.1'
+  spec.version       = '0.8.2'
   spec.authors       = ['Junegunn Choi']
   spec.email         = ['junegunn.c@gmail.com']
   spec.description   = %q{Fuzzy finder for your shell}