On May 9, 2013, at 11:56 PM, Ondrej Holecek <ondrej.hole...@gmail.com> wrote:
> No, the "daemon" is the picture viewer itself. It is hidden most of
> the time.
That doesn’t sound like a daemon or an agent; those types of things run in the
background with no UI. Once there’s a UI, you are writing a regular app. If you
don’t want it to “feel” like a full app, with a Dock icon and menu bar, what
you’re looking for is the “LSUIElement” key in the app’s Info.plist — this
tells the OS that the app just wants to display windows and nothing else. (For
example, this is how the Special Characters palette is implemented.)
> When you run "xqiv image1.jpg image2.jpg" from command-line,
> then the "daemon" pops and displays image1.jpg.
All you need is to make an app, maybe with the LSUIElement flag as I said
above. Let’s say its bundle ID is com.example.XQIVApp. Then you can implement
the ‘xqiv’ command-line tool as a trivial shellscript:
#!/bin/sh
open -b com.example.XQIVApp $@
—Jens
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