Transparency

Transparency requires node-webkit >= v0.11.2

in your html body, specify the alpha of the background colour, in my example below, I set it to be full transparent

<body style="background-color:rgba(0,0,0,0);">

you can set the window's transparency "on the fly" using

var gui = require('nw.gui');
var win = gui.Window.get();
win.setTransparent(!win.isTransparent);

you can also specify it in package.json

  "window": {
    "transparent": true
  }

Linux

you need to run node webkit with these params

--enable-transparent-visuals --disable-gpu

and your window manager needs to support compositing

Click through transparency

Click through transparency requires node-webkit >= v0.11.4 to enable Transparency clickthrough (currently only supported on OSX / WIN) you must run with these args

--disable-gpu --force-cpu-draw"

the click through is only supported for frameless, non resizable frame, though it might work for other configuration, depending on the OS

nwjs/nw.js

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Transparency

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Linux

Click through transparency