[Kde-bindings] Help with loading an image from a URL

[Chris Gow]

On Wednesday 06 June 2007 10:09:35 Richard Dale wrote:
> On Wednesday 06 June 2007, Chris Gow wrote:
> > Hello:
> >
> > Not sure if this is exactly the most correct list to post to, but since
> > the program I am writing is in Ruby using the kde/ruby bindings I thought
> > I would post here.
> >
> > I'm trying to load an image from a url into a widget but I am getting
> > stuck
> >
> > : (. I can make a connection to the site and get the data (at least
> > : that's
> >
> > what appears to be happening) but no data is ever returned. Below is a
> > sample of what I am trying to accomplish. There seems to be a lot of
> > overhead so its entirely possible that this is not the correct way to do
> > what I want.
> >
> >
> > #!/usr/bin/ruby
> > require 'Korundum'
> >
> > class MyClass < KDE::MainWindow
> > 	slots 'done(bool)'
> > 	def initialize( name )
> > 		super(nil, name)
> > 		@dataByteArray = Qt::ByteArray.new
> > 		@data = Qt::Buffer.new(@dataByteArray)
> > 		@data.open(Qt::IO_ReadWrite)
> > 		@http = Qt::Http.new(self)
> >                 connect(@http, SIGNAL("done(bool)"), self,
> > SLOT("done(bool)")) @http.setHost("www.google.ca")
> >                 @http.get("/intl/en_ca/images/logo.gif", @buffer)
> >
> > 	end
> >
> >         def done(err)
> > 		if (!err)
> > 			label = Qt::Label.new("", self)
> > 			label.resize(300, 200)
> >                         label.setText(@dataByteArray.size.to_s)
> > 			setCentralWidget(label)
> > 			label.show
> > 		end
> > 	end
> > end
> >
> > about = KDE::AboutData.new( "p2", "Test", "0.1" )
> > KDE::CmdLineArgs.init( ARGV, about )
> > app = KDE::Application.new( )
> >
> > window = MyClass.new("Test")
> >
> > app.mainWidget = window
> > window.resize(300,200)
> > window.show
> >
> > app.exec
> >
> > Currently it will display 0 in the label, I was trying to see if any data
> > was being returned before I attempted to display anything.
>
> I haven't tried the example out, but shouldn't the line:
>     @http.get("/intl/en_ca/images/logo.gif", @buffer)
>
> be:
>     @http.get("/intl/en_ca/images/logo.gif", @data)

I'm idiot, yes it should be. I originally called it @buffer then later changed 
it. Still have to get used to dynamic languages :(

Thanks!

-- chris