Hello all.
I'm using my own widget inherited from QmitkStdMultiWidget and
QmitkStdMultiWidget as well.
I noticed that when you scroll mouse wheel, position in slice navigation
controller is changed by 2 slices: 1->3->5, etc...
This happens because QmitkStdMultiWidget creates mitk::MouseModeSwitcher
object.
And mitk::MouseModeSwitcher object creates mitk::DisplayInteractor and
registers it globally.
If we have two QmitkStdMultiWidgets, this leads to two global registered
mitk::DisplayInteractors.
When mouse wheel event is processed, both mitk::DisplayInteractors are
called and each changes slice by one.
What is the best way to deal with this problem?
One possible variant is modify mitk::MouseModeSwitcher to register
mitk::DisplayInteractor for particular renderer:
// Register as listener via micro services
us::ServiceProperties props;
props["name"] = std::string("DisplayInteractor");
props["rendererName"] = m_rendererName; <--- Add this string
m_ServiceRegistration =
us::GetModuleContext()->RegisterService<InteractionEventObserver>(
m_CurrentObserver.GetPointer(),props);
In this case each display interactor will be connected to one particular
renderer (or group of renderers with the same name) but this will
requires changes in mitk::MouseModeSwitcher to make it aware of its
parent renderer and changes in its clients to make them set up
renderers' names and mode switcher's name.
Does some better alternative exist?
Regards, Alex.
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