Re: [ruby-gnome2-devel-en] Using GObject-Introspection

[cedlemo <ce...@gm...>]

I think that the example I gave you is more simple and better to start with:

https://github.com/ruby-gnome2/ruby-gnome2/blob/master/vte3/lib/vte3.rb

Just change the Vte name with Gnumeric:

require "gobject-introspection"
require "gtk3"

base_dir = Pathname.new(__FILE__).dirname.dirname.expand_path
vendor_dir = base_dir + "vendor" + "local"
vendor_bin_dir = vendor_dir + "bin"
GLib.prepend_dll_path(vendor_bin_dir)
vendor_girepository_dir = vendor_dir + "lib" + "girepository-1.0"
GObjectIntrospection.prepend_typelib_path(vendor_girepository_dir)

# You don't nedd this
#require "vte3/loader"

module Vte
   LOG_DOMAIN = "Vte"
   GLib::Log.set_log_domain(LOG_DOMAIN)

   class Error < StandardError
   end

   class << self
     def const_missing(name)
       init
       if const_defined?(name)
         const_get(name)
       else
         super
       end
     end

     def init
       class << self
         remove_method(:init)
         remove_method(:const_missing)
       end
       Gtk.init if Gtk.respond_to?(:init)
       loader = Loader.new(self)
       loader.load("Vte")
     end
   end
end


This is the most basic example.

Regards.

On 03/11/2015 11:10, Michael Uplawski wrote:
> Howdy.
>
> I have been a bit worried to put my question on the list, but your
> responses keep me interested in GObject-Introspection.
>
> On Tue, Nov 03, 2015 at 09:33:54AM +0000, jc...@gm... wrote:
>
>> Hi, like cedlemo I'm not much of an expert, but I have made a binding
>> for my own gobject-based library here:
>>
>>    https://github.com/jcupitt/ruby-vips8
>>
>> I used the binding for gst as a model, it's pretty simple to understand:
>>
>>    https://github.com/ruby-gnome2/ruby-gnome2/blob/master/gstreamer/lib/gst.rb
> You subclass a Loader and I have the immediate feeling, that this must
> be crucial for all that follows. I do not have to understand all the
> meta-programming which is anyway out of my reach to see clearer now.
>
> Thank you very much.
>
> Michael
>
>> Just copy-paste that and change the names to refer to the gnumeric
>> objects instead and it should work.
>>
>> The gst binding does some extra renaming and overriding to make the
>> interface pleasant to use, you probably won't need that, at least to
>> start with.
>>
>> John
>>
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>
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