Utility that display windows and views in a tree. It allows to pick view by pressing target icon at tool bar. view tree information is retrieved by scripting. Window visibility and z-order is not handled correctly for now. Tree is not updated automatically, using “Edit” -> “Update” is required to update.
Currently only GCC4+ is supported. For 32 bit Haiku use setarch x86.
Oh, nice, much better than my dumpwin script calling 30 times hey 
Picking quality was improved. Also second toolbar button was added that highlight selected window/view.
Now, you’re a few thousand lines away from a screen reader app 
This looks like a good candidate for an in-tree utility in src/tests; would you care to submit it? 
Code is a bit dirty and not confirm Haiku coding guidelines. I see no problem for using TraverseApps2 from HaikuUtils repository. Just run:
git clone https://github.com/X547/HaikuUtils.git
cd HaikuUtils/TraverseApps2
make run
I added suite editor that is opened by double click on tree item and display all scripting properties and its values. Currently is is not working properly because it is incomplete, I am not fully understand how scripting works and there are a lot of unimplemented/broken scripting handling in Haiku components.
An eon or two ago on BeOS R3, I had a utility like this, whose intended purpose was to help me debug GUIs (my layout engine especially).
It was very, rough looking, especially compared to this beauty. It did have (IIUC) a couple features missing from this one though, which you might consider: 1) a BTextControl displayed the BRect of the selected view (as in “get Frame of View 1 of Window x…”). Modifying the numbers and hitting would do the equivalent of “set Frame of View x…”, which did wonders to help me understand WTF I was doing wrong in my code at the time
And 2) a BTextControl at the bottom was always displaying the “hey” scripting equivalent of the last performed action on the selected BView… So, if some day I was in the mood for creating a “hey” based bash script of a given application, I would fire up my app-let, locate the wanted BView, copy-paste the generated “hey” one-liner and put it in my bash script, tweaking it as needed.
PM me if you want me to look up the code, though this is relatively easy code IIRC.
Is it possible to highlight the object that is selected?
Yes, press toolbar button with red square icon.