A startup script to use Ruby irb with Korundum

I've been playing with irb today to work out how to add an interactive Korundum or QtRuby command line. I've come up with this script that allows you to type 'start_kde' in irb, and it displays a KDE::MainWindow. If you right click and select 'Interrupt' from the context menu, it puts you in an irb session context based on a widget within the KDE::MainWindow.

Here is the script, you just need to add it to your ~/.irbrc file:

class << kmainwindow
    def queryClose
        $kapp.quit
    end

    def mousePressEvent(event)
        if event.button() == Qt::RightButton
            if @popupmenu.nil?
                @popupmenu = KDE::PopupMenu.new
                self.class.slots :interrupt
                @popupmenu.insertItem("&Interrupt", self, SLOT(:interrupt))
            end

            @popupmenu.exec(Qt::Cursor.pos)
        else
            super
        end
    end

    def interrupt
        eval("irb $widget", $irb_binding)
    end
end

$widget = Qt::Widget.new(kmainwindow) do |w|
    t = Qt::HBoxLayout.new(w)
    t.autoAdd = true
end

kmainwindow.centralWidget = $widget
kmainwindow.show
$irb_binding = binding
$kapp.exec

end

Enter irb, type 'start_kde' and select 'Interrupt' on the right mouse menu:

You will see the Ruby text of your ~/.irbrc file displayed by the Kate part. Note that the class is 'Kate::Document' which is not in the Smoke library a (it is in kdebase). The Ruby classes for dynamically loaded KParts are now created at runtime. You can also set properties on dynamically loaded KParts with a simple call like '@kate.my_property = my_value' or '@kate_my_property' to set and get them. Properties can be displayed with a @kate.metaObject.propertyNames call: