rubycocoa-talk

[Rubycocoa-talk] show alert before app starts?

[Axel M. R. <rub...@ro...>]

Hi,
I want to show an alert to the user that the RubyCocoa program needs 
at least Leopard to run. However, since RubyCocoa could not be 
installed on a 10.4 system, the dialog needs to be put up in Obj-C. I 
know how to do that, but not in the main.m file: the application is 
not inited yet.

I know this is not a RC question, but related IMHO: everyone who 
wants to put out rubycocoa programs either needs to
a) bundle the rubycocoa and ruby libraries and/or
b) check the OS version and put up a dialog for the user

else your application silently fails on older OSes, like LimeChat.

Bundling the ruby libraries proved too much work for me, so now i 
'simply' want to inform the user that the app needs a newer OS.
I use NSAlert alertWithMessageText in the main app, before the 
RBApplicationMain is called. The alert is never shown.
I tried initialising the NSApp environment by calling
  [NSApplication sharedApplication] to no avail.

Probably because the NSApp environment is not yet ready, but how do I 
otherwise inform the user in a Maclike way that she needs to upgrade?

tail -f /var/log/system.log is not what I call userfriendly ;-)


Axel

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_________________________
Axel Roest
axelloroestello@{AIM/MSN} - Skype:axellofono - XOIP: 084-8749988

Re: [Rubycocoa-talk] show alert before app starts?

[Patrick G. <pge...@wa...>]

> Probably because the NSApp environment is not yet ready, but how do  
> I otherwise inform the user in a Maclike way that she needs to  
> upgrade?
>
> tail -f /var/log/system.log is not what I call userfriendly ;-)

How about system("open file:///someHtmlPageInYourBundle.html") to open  
an html page with some info and a link to Leopard ?

Re: [Rubycocoa-talk] show alert before app starts?

[Axel M. R. <rub...@ro...>]

At 16:22 +0200 25-04-2008, Patrick Geiller wrote:
>How about system("open file:///someHtmlPageInYourBundle.html") to open
>an html page with some info and a link to Leopard ?

Ouch, dirty. I like it however!

thx for the suggestion.


Axel
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_________________________
Axel Roest
axelloroestello@{AIM/MSN} - Skype:axellofono - XOIP: 084-8749988

Re: [Rubycocoa-talk] show alert before app starts?

[Neil S. <ne...@ha...>]

Patrick Geiller wrote:
>> Probably because the NSApp environment is not yet ready, but how do  
>> I otherwise inform the user in a Maclike way that she needs to  
>> upgrade?
>>
>> tail -f /var/log/system.log is not what I call userfriendly ;-)
> 
> How about system("open file:///someHtmlPageInYourBundle.html") to open  
> an html page with some info and a link to Leopard ?

Or just include a second, tiny Objective C binary that you can then exec.

-- 
Neil Stevens - ne...@ha...

If you're seeing shades of gray, it's because you're not
looking close enough to see the black and white dots.

Re: [Rubycocoa-talk] show alert before app starts?

[Axel M. R. <ax...@ro...>]

At 10:52 -0700 25-04-2008, Neil Stevens wrote:
>
>Or just include a second, tiny Objective C binary that you can then exec.

That is also a good idea. A friend suggested an AppleScript, like in
system('osascript -e 'tell application "Finder" to display dialog 
"You need Leopard to use this application" ');

Thanks for all the suggestions everyone. It's good to think 
'out-of-the-box' sometimes.


-- 
_________________________
Axel Roest
axelloroestello@{AIM/MSN} - Skype:axellofono - XOIP: 084-8749988