Wednesday, May 5, 2010

How to stop Trackpad zooming on MacBook Pro when using Safari?

Mac users are once again frustrated with their new Macbooks and the multitouch Trackpad, especially the pich-zoom feature. Follows are some options on how to disable the pinch-zoom feature on the new MacBook.

If you have one of the new unibody MacBooks with the glass trackpad the following download will keep you from zooming in and out while using Safari, FireFox, Open Office and Google Chrome. Jeff Hawkins uploaded an InputManager application on his blog CubeYellow that will stop the zoom gesture when Safari or Firefox is active on any of the unibody MacBooks. Please follow the instructions below carefully to install it.

- Download the application.
- Quit out of Safari/FireFox and Mail.
- Unzip the download.
- Open Terminal.app
- cd /Library
- mkdir InputManagers - Note this directory might already be there. That is ok.
- Using the Finder copy the StopSafariZoomInputManager folder that you downloaded and unzipped. You need the whole folder... not just its contents.
- Using the Finder navigate to Machintosh HD/Library/InputManagers and choose paste - You will be prompted to enter your admin password. Note Machintosh HD is the name of my hard drive yours may be different.
- Go back to Terminal.app and run the following command: sudo chown -R root:admin /Library/InputManagers - Note you will be prompted for your admin password.
- Restart Safari and there will be no more zooming.
If you decide to uninstall you can just delete the /Library/InputManagers/StopSafariZoomingInputManager folder - you will be prompted to enter your admin password.

Some additional workarounds:
1. Change two-finger scrolling behavior.
Apple's trackpad demonstration videos show a hand with two fingers splayed and swiping on the pad to scroll around. This video may have some people assuming their fingers also must be splayed, when in fact they do not and keeping them splayed may create subtle in and out movements that can be interpreted as zoom gestures. If you are keeping your fingers apart, try holding your fingertips together when gesturing. This should anchor them together and prevent subtle spreading that may activate pinch-zooming.
2. Give "MultiClutch" a try.
There is a new multitouch gesturing utility out called "MultiClutch" from an independent developer that will assign application-specific tasks to a given multitouch gesture. This is convenient, because while there is no way to disable a specific gesture, you can do this for certain applications and assign a meaningless keystroke combination to the gesture that will prevent anything from happening.
Download MultiClutch.

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