java - How to determine if 2 components are on the same frame? (SWING) -


this question has answer here:

i go on , iterate on parents using getparent() on each until shared parent or null, looks bad solution, there better approach?

basiclly use case in focuslistener, on focuslost() want know if losing focus thats outside frame...

you can compare result of:

swingutilities.windowforcomponent(comp1).equals(swingutilities.windowforcomponent(comp2))

or

swingutilities.getwindowancestor(comp1).equals(swingutilities.getwindowancestor(comp2))

or

swingutilities.getroot(comp1).equals(swingutilities.getroot(comp2))

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