How do I fake 2 discrete monitors using a DualHead2Go?

Posted by Sietse on Super User See other posts from Super User or by Sietse
Published on 2010-03-01T16:01:59Z Indexed on 2010/04/12 8:03 UTC
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osx

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dualhead2go

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matrox

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resize

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dual-monitors

I just got a [Matrox Dualhead2Go|http://www.matrox.com/graphics/en/products/gxm/dh2go/] for use with my MacBook Pro. I realise that the reason it works is that it fakes 1 big (wide) monitor. I also kind of depended on the software that came with it to trick OSX into accepting it as 2 monitors.

Turns out the support is kind of lame: it just adds shortcuts for maximizing the window to whatever screen you want. And it even gets that wrong, since my dock doesn't auto-hide, but it doesn't take it in account while resizing, causing my window do end up "behind" my dock. (I've made a AppleScript that does the resize correctly, that I'll post below).

There's two glaring issues this causes: Full screen (video, etc.) takes up both monitors, and dialogs just pops up in the middle.

Is there a way to trick OSX, or at least a way to fix these issues?

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