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

[Richard Dale]

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)

-- Richard