Norman Drinkwater gave me a detail account of how to run
GTKIDE inside a web browser.  

Note that it needs to set GTKVER=:3 in the base.cfg to use GTK3.  
I also tested run ok on android firefox.

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Subject: GTK3 and Broadway

The gtk3 libraries we use currently do not enable the broadway backend. 
However, someone else has implemented it for windows x86. See
http://www.tarnyko.net/en/?q=node/8

To try it out, download the gdk3 library from that site:
http://www.tarnyko.net/repo/libgdk-3_(Broadway)(TARNYKO).zip

In your j701 (x86) gtk/bin folder, rename libgdk-3-0.dll to 
libgdk-3-0.dll.0 (so you can get it back). Copy the libgdk dll from the 
above zip to your gtk/bin directory. Open a command prompt, change to 
your j701/bin directory, then set the environment variable and start jgtk

set GDK_BACKEND=broadway
jgtk.bat

Open your browser (I tried it with Chrome, Firefox works too) to
http://127.0.0.1:8080

You'll see the J term window. Now do Run>Launchpad>Minesweeper. I also 
tried the Felidae project, which works.

You'll need to quit J using 2!:55'' (File>Quit doesn't work).

The modified libgdk seems to work fine for running J as a normal 
program, but I didn't test extensively.

Norman

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