     @lastKnownFileTreeSize = @getOption('sizes').first or 250
 
     @on 'PanelDidResize', kd.utils.debounce 10, =>
-
       return  unless fileTree = @panels.first
       @lastKnownFileTreeSize = fileTree.size
+
+    @resizer.on 'DragInAction', => @getFirstSplitView()?._windowDidResize()
 
 
   _resizePanels: ->

    # even if the first pane reaches the value.
    @resizePanel first, 0, kd.noop, yes




module.exports = class IDEBaseSplitView extends KDSplitView


  viewAppended: ->

