Force label width inside a scrollpane not working

hello
I have 7 buttons in a grid 7x1 one on top of another inside a scrolpane. i want to be able to scroll left/right 7200pixels but i can't get the scrollpane to be 7200 wide. if i make a component 7200 wide inside it, it does, but runs off the side. unless i put a 7200wide graphic as a label on that button, then i can traverse 7200 left and right with the jscrollbar. i am goign to want to select the number in the future though...have it be 1000 wide or 100000 wide on the fly....with a solid graphic that seems a kinda clunky way to do it. any ideas? i guess i need to find a way to force the scroll bar to always exist with X width.
thanks in advance

ignore me. i'm an idiot. the panel's preferred size was what was important, not the buttons inside it.

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