Rock-Qt integration within components

This oroGen project provides a base component, qt_base::Task which is meant to ease the integration of Qt-using code within a Rock component.

The main issue this is trying to solve is that Qt has strong threading requirements, namely that widgets must be run within the same thread as the QApplication. This projects maps Rock component hooks (configureHook, startHook, ...) into equivalents that get executed within the Qt thread (configureUI, ...). The *UI variants are all returning void, and should use exceptions to report errors (which are then propagated to the Rock side).

To use this, simply subclass the qt_base::Task component and use the UI hooks:

using_task_library 'qt_base'
task_context 'Task', subclasses: 'qt_base::Task' do
end

Don't forget to add gui/orogen/qt_base to the package's manifest.xml

<depend name="gui/orogen/qt_base" />

Running unit tests

Unit tests in test/ are Syskit-based. To run them, first enable the tests, update and build (from within the package's folder)

autoproj test enable .
aup
amake

Then, run the tests either with autoproj for automation:

autoproj test .

Or directly to be able to see the full test output:

acd -b .
ctest -V