Possible to emulate pinch zoom with keyboard shortcut plus scrolling on mouse?

Discussion in 'macOS' started by SheridanMac, Feb 3, 2016.

  1. SheridanMac macrumors member

    Jan 13, 2011
    I'm transitioning from a trackpad to a magic mouse and the lack of pinch zoom is killing me. I tried installing both better touch tool and magicprefs and can't get either of their pinch to zoom functions to work, and even if I could, they don't seem like they'd be all that easy to do. What would be ideal is to be able to simply hold down a key and scroll up or down on the mouse to zoom in and out. Is there a way to implement this myself? If so, is there something about this method that I'm failing to consider? It seems so much better than any of the existing methods using the mouse alone which either contort your fingers or run the risk of accidentally running other gesture commands.
  2. Brian33 macrumors 6502a

    Apr 30, 2008
    USA (Virginia)
    Maybe I'm misunderstanding you, but it seems to me that what you want is built-in to OS X -- I use it all the time. How about holding down the Control key, and turning the mouse wheel to zoom in and out? I believe that capability is turned on by default. It zooms the whole desktop/display, though, not just one application window.

    If it's not on by default, go to System Preferences-->Accessibility and make sure "Use scroll gesture with modifier keys to zoom" is checked. (You don't need the "Use keyboard shortcuts to zoom" on -- I've never actually used that since the mouse wheel works so well.)

    Hope that helps!

    EDIT: I don't have a Magic Mouse, so not sure how the "scroll wheel" is done on that device. I'd expect it to work, though...
  3. DeltaMac macrumors G3


    Jul 30, 2003
    Interesting that you want to change from trackpad to mouse, but still want at least one of the gestures that works best on a trackpad.
    I expect you have your reasons, but are you being forced to change over from trackpad to mouse?
    Why not just stay with a trackpad? The Magic Trackpad 2 is a nice product, I think.
  4. SheridanMac thread starter macrumors member

    Jan 13, 2011
    This is exactly what I was talking about, and yes it wasn't turned on by default. I would not have thought to look in accessibility settings for it. Thank you very much!

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