git-svn-id: http://root.cern.ch/svn/root/trunk@28722 27541ba8-7e3a-0410-8455-c3a389f83636

git-svn-id: http://root.cern.ch/svn/root/trunk@28709 27541ba8-7e3a-0410-8455-c3a389f83636

git-svn-id: http://root.cern.ch/svn/root/trunk@28708 27541ba8-7e3a-0410-8455-c3a389f83636

git-svn-id: http://root.cern.ch/svn/root/trunk@28707 27541ba8-7e3a-0410-8455-c3a389f83636

- add finer grain QL cancel polling, especially needed to cancel QL
  for large files 
- updated ReadMe.txt


git-svn-id: http://root.cern.ch/svn/root/trunk@28706 27541ba8-7e3a-0410-8455-c3a389f83636

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of a ROOT file.

Quick Look is available on MacOS X since version 10.5 (Leopard). To use QL
select an file icon in the Finder and hit the space bar. For all file types
supported by QL you will get a window showing the file content, for file types
not supported you will get a generic window showing some basic file info.

The idea of QL is that file content can be shown without the heavy application
startup process. Generating a QL view of a ROOT file depends on the size of the
file, but generally it is a quick operation.

Get the binary for the ROOTQL plugin from:

   ftp://root.cern.ch/root/ROOTQL.tgz

To install the plugin, after untarring the above file, just drag the bundle
ROOTQL.qlgenerator to /Library/QuickLook (global, i.e. for all users on a
system) or to ~/Library/QuickLook (local, this user only) directory.
You may need to create that folder if it doesn't already exist.

To build from source, get it from svn using:

   svn co http://root.cern.ch/svn/root/trunk/misc/rootql rootql

Open the ROOTQL project in Xcode and click on "Build" (make sure the Active
Build Configuration is set the "Release"). Copy the resulting
plugin from build/Release to the desired QuickLook directory.


git-svn-id: http://root.cern.ch/svn/root/trunk@28698 27541ba8-7e3a-0410-8455-c3a389f83636