Fix focus (ctrl+alt+F) shortcut behaviour (#218)

* Fix focus issue when terminal is not active

#189

* blurring terminal return focus to previous element

* lastActive element is now updated at each terminal focus

lib/status-bar.coffee

@@ -23,7 +23,7 @@ class StatusBar extends View
     @subscriptions = new CompositeDisposable()
 
     @subscriptions.add atom.commands.add 'atom-workspace',
-      'platformio-ide-terminal:focus': => @activeTerminal.focusTerminal()
+      'platformio-ide-terminal:focus': => @focusTerminal()
       'platformio-ide-terminal:new': => @newTerminalView()
       'platformio-ide-terminal:toggle': => @toggle()
       'platformio-ide-terminal:next': =>
@@ -212,6 +212,14 @@ class StatusBar extends View
   getActiveTerminalView: ->
     return @activeTerminal
 
+  focusTerminal: ->
+    return unless @activeTerminal?
+
+    if terminal = PlatformIOTerminalView.getFocusedTerminal()
+        @activeTerminal.blur()
+    else
+        @activeTerminal.focusTerminal()
+
   getTerminalById: (target, selector) ->
     selector ?= (terminal) -> terminal.id
 

lib/view.coffee

@@ -467,6 +467,8 @@ class PlatformIOTerminalView extends View
   focusTerminal: =>
     return unless @terminal
 
+    lastActiveElement = $(document.activeElement)
+
     @terminal.focus()
     if @terminal._textarea
       @terminal._textarea.focus()
@@ -479,6 +481,9 @@ class PlatformIOTerminalView extends View
     @terminal.blur()
     @terminal.element.blur()
 
+    if lastActiveElement?
+      lastActiveElement.focus()
+
   resizeTerminalToView: ->
     return unless @panel.isVisible() or @tabView