Update the code to better handle the dropdown menus #299
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Is your feature request related to a problem? Please describe.
The current "checkbox-button" style menu and the "radio-button" style menu's have very dirty implementations.
Both can be found in the command-box.
Describe the solution you'd like
This should be cleaned up. Best solution seems to be the introduction of a "DropDownCheckbox" and "DropDownRadio" sub-classes that handle all the specifics.
Describe alternatives you've considered
Additional context
Additionally, the difference between the user's choice and the system's choice in the "target" menu should be enhanced.
Additionally, the dropdown menu's should work on touchscreens. i.e. the menu opens on 'click' instead of only 'mouseover'.