HW1 Classic resolution fix for Mac?

Just picked up the HW:R collection the other day. HM1R looks great but the gameplay changes are frustrating. Decided to go back to Classic, but the 4:3 resolutions are horizontally stretched on my 16:10 (1440x900) display. Is there a way to force HW1C to run in a widescreen resolution, or at the very least force it into windowed mode? Google turns up solutions for the Windows version involving registry editing, but I can’t figure out where the Mac version keeps those settings. Any ideas?

yea i want to change the resolution too, is there a fix?