[vtkusers] vtkChartXY: How to catch mouse click events, user interaction? (VTK 5.8.0)

[Natalie]

Hi Julien,

what I want to implement is a chart editor. My program creates a chart in
default layout and the user should be able to change line color, grid, axis
label etc. The initial idea was to have a separate action for all parts of
the chart, e.g. a click on the line would pop up a line editor etc. For now
I am fine with a double click which results in a pop up of a window to edit
the chart. At the moment, however, if the user clicks outside the chart area
nothing will happen. 

I think everybody wants different actions. Therefore it would be very
important to be able to implement many different actions easily. My problem
was which class I need to subclass to implement an action. I still would
like to know why subclassing vtkContextView and vtkContextInteractorStyle
did not work....

Anyway, I hope that this thread will help others in the same situation.
Many thanks for your help,
Natalie



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