[Rock-dev] Problem with connect to

[Alexander Duda]

I pushed a fix to orocos.rb master. The problem is the different 
behaviour of ruby1.8 and ruby1.9 in the case of code blocks.
In any case I strongly recommend using ruby1.9 for any gui and syskit 
related work.

Alex


On 04/30/2013 10:42 AM, "Raúl Domínguez" wrote:
> I think that the problem is comming from the line
> "headingSendButton.connect SIGNAL(:clicked), PORT(:heading),:getter => 
> g,:callback => c".
> The widget loads correctly and I get the data from the task running on 
> the robot (before too), but when I press the send button in the 
> widget, the widget crashes with the same error as before.
> I corrected some parts of the script but I still get the same error. 
> Here is the current state of the script once changed the connect_to 
> for on_data.
> """
> require 'vizkit'
>
> Orocos::CORBA.name_service.ip = "seekurjr"
> Orocos.initialize
>
> # load GUI created with the Qt Designer
> widget = Vizkit.load "gui/heading.ui"
> widget.show
>
> # connect the widget with the task "simple_task"
> widget.connect_to_task "seekur_odometry" do |task|
>
>     task.port("odometry_samples").on_data do |data|
>         widget.orientationView.update(data,"odometry_samples")
>     end
>
> end
>
> widget.connect_to_task "seekur_corridor_servoing" do |task|
>
>     # generate a new sample each time the button is clicked
>     # and show a message box if there is a connection error
>     g = lambda{widget.headingSpinBox.value}
>     c = lambda{|msg| Qt::MessageBox.warning(widget,"ComErr",msg) if 
> msg != "OK"}
>     headingSendButton.connect SIGNAL(:clicked), PORT(:heading),:getter 
> => g,:callback => c
>
>     # disable the GUI until the task is reachable
>     task.on_reachable {widget.setEnabled(true)}
>     task.on_unreachable {widget.setEnabled(false)}
> end
>
> #run qt main loop
> Vizkit.exec
>
> """
> Have a nice day,
> Raúl


-- 
Dipl.-Ing. Alexander Duda
Unterwasserrobotik

DFKI Bremen
Robotics Innovation Center
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28359 Bremen, Germany

Phone: +49 (0)421 178-456620
Fax:   +49 (0)421 178-454150
E-Mail: alexander.duda at dfki.de

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