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Message: 2
Date: Thu, 21 Apr 2005 23:01:45 -0400
From: Adam <email@hidden>
Subject: NSNetServiceBrowser / NSNetService Hostname Lookup
To: Cocoa Apple <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
I read about NSNetServiceBrowser and I wrote a small app that could
detect the rendezvous / bonjour iTunes sharing service on the network
using NSNetServiceBrowser and NSNetService with a service type of
_daap._tcp.
NSNetService returns a struct sockaddr that has the IP address and the
port of the machine broadcasting the service. However, I would also
like to get the hostname / Computer Name of the machine broadcasting
this service. How could I obtain this info?
Thanks,
Adam
------------------------------
Message: 3
Date: Thu, 21 Apr 2005 22:08:54 +1000
From: Rakka <email@hidden>
Subject: Custom NSMenu help
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Hi,
Could anyone explain to me step by step (or provide a link) how I could
give an NSMenu a custom look? (e.g if I wanted to put a textfield or
button onto it). I've found a couple of articles on custom views but I
just don't get them yet. If someone could show me an example it'd be
really helpful.
Regards,
Rakka
------------------------------
Message: 4
Date: Fri, 22 Apr 2005 14:54:55 +1000
From: Rakka <email@hidden>
Subject: iconForFile for folders/volumes
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Hi,
Is there simple way to get a folder's icon, like iconForFile: does for
files? I tried iconForFile with a folder (or actually, a volume), and
it just doesn't work. Or am I doing something wrong? The following
doesn't work for folders and volumes, but only works with files (e.g
pdf, jpg, etc.)
NSImage *volumeIcon = [[NSWorkspace sharedWorkspace]
iconForFile:@"/Volumes/TheDisk"];
Thanks.
Regards,
Rakka
------------------------------
Message: 5
Date: Fri, 22 Apr 2005 00:49:41 -0600
From: Frank Fenn <email@hidden>
Subject: Re: Printing issues
To: Andrew Kinnie <email@hidden>
Cc: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset="windows-1252"
Hi Andrew,
Second, I also hand coded the paper size, because I can't figure out
how to determine the available paper sizes for a particular printer.
Is there a way to do this?
NSPrinter
pageSizeForPaper:
- (NSSize)pageSizeForPaper:(NSString *)paperName
Returns the size of the page for the paper type paperName. Possible
values for paperName are contained in the printers PPD file. Typical
values are Letter and Legal. Returns a zero size if paperName is not
recognized, or its entry in the PPD cannot be parsed.
Sincerely,
Frank Fenn
--
Bright Light Software - http://www.brightlightsoftware.com
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Message: 6
Date: Fri, 22 Apr 2005 15:44:52 +0900
From: Julien Palmas <email@hidden>
Subject: Re: Memory management with nibs
To: Ondra Cada <email@hidden>
Cc: Cocoa-Dev List <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=UTF-8; format=flowed
The nib handling abilities of a NSWindowController are pretty
attractive and I would like to use a sub-class of it. Still, I only
need one window per document and each different nib, like I said
before, would only be there to provide other views.
Would it be bad to add a window inside each nib, just in order to use a
sub-class of NSWindowController as its owner ? even if I completely
don't care about this window ?
On Apr 22, 2005, at 10:35 AM, Ondra Cada wrote:
Julien,
On 22.4.2005, at 2:26, Julien Palmas wrote:
But I also have other nibs, one for each different piece of
information present in the document. Let's say there are 50 different
nibs, being able to load only 2 of them if necessary is much more
efficient that always loading the 50 !!!
Definitely.
My question is about the file owner for those nibs. What class (sub
class) should I use.
Some controller, appropriate by the app design. If the NIBs contain
separate windows, an NSWindowController subclass looks kind of
interesting ;) Otherwise, for separate views and similar, probably the
controller of the window into which the NIB objects are to be placed,
or something alike.
I don't want to make the NSDocument the file owner. And what should I
do to make sure those nibs are correctly released once the document
closed?
The simplest way: ensure releasing root-level NIB objects yourself.
The best way probably is to do that from whatever controller is the
NIB owner. Just don't forget to have an outlet for each root-level
object, and release the outlet when the controller itself goes poof.
Alternatively, for windows, you can just tell them to release when
closed (in IB Inspector).
There are tricks to do that semi-automatically, but generally they are
not worth the hassle. See 10.3 NSNib for the easiest one (at least,
far as I know) via instantiateNibWithOwner:topLevelObjects:.
---
Ondra Äada
OCSoftware: email@hidden http://www.ocs.cz
private email@hidden http://www.ocs.cz/oc
------------------------------
Message: 7
Date: Fri, 22 Apr 2005 17:07:48 +1000
From: "Lloyd Dupont" <email@hidden>
Subject: subversion support in XCode?
To: <email@hidden>
Message-ID: <000701c54709$feb06ce0$6400a8c0@GIDEON>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
I'm running a beta version of 10.4 and I'm using XCode
I'm trying to use Subversion but it doesn't seems to be integrated
with the
SCM menu of XCode..
Any reason for that? Am I missing something? Any lead or pointers?
thanks!
------------------------------
Message: 8
Date: Fri, 22 Apr 2005 09:22:36 +0200
From: j o a r <email@hidden>
Subject: Re: Memory management with nibs
To: Julien Palmas <email@hidden>
Cc: Cocoa-Dev List <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset="us-ascii"
On 2005-04-22, at 08.44, Julien Palmas wrote:
The nib handling abilities of a NSWindowController are pretty
attractive and I would like to use a sub-class of it. Still, I only
need one window per document and each different nib, like I said
before, would only be there to provide other views.
Would it be bad to add a window inside each nib, just in order to use
a sub-class of NSWindowController as its owner ? even if I completely
don't care about this window ?
It seems to me that you think too much about this. What is the problem?
If you load a nib file, you need to release all top level objects in
the nib file (unless the files owner is a subclass of a class that
provides that functionality automagically, like NSWindowController).
It's dead simple. Just do it in your nib loading classes.
@interface MyNibLoader : NSObject
{
@private
IBOutlet NSView *myView; // Top level item in nib file
IBOutlet NSView *mySubview;
}
@end
@implementation MyNibLoader
- (void) dealloc
{
[myView release]; // Top level item in nib file
[super dealloc];
}
@end
You will have to learn how to release the other instance variables of
your objects anyway, so what's the big difference with learning to
remember to release the appropriate IBOutlets?
I don't think you should use a NSWindowController subclass in this
case, as it's designed with something else in mind. And it would
definitively be both bad, and completely unnecessary, to add a dummy
window to the nib file if you do choose this path.
Perhaps Apple should add a NSNibController class, that you could use as
the superclass of objects that loads a single nib file? The only
functionality this class would need to provide is the automatic
deallocation of top level nib objects, much as NSWindowController does.
Would be kind of neat.
j o a r
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------------------------------
Message: 9
Date: Fri, 22 Apr 2005 09:58:17 +0100
From: Steven Spencer <email@hidden>
Subject: Re: matching single key/value pair to dictionary
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=ISO-8859-1
Try this (typed in email)
NSMutableArray *arr = [NSArray array];
NSEnumerator *enm = [myMutableArray objectEnumerator];
NSMutableDictionary *dc;
while (dc = [enm nextObject]) {
if ([[dc objectForKey:myKey] isEqual:myValue])
[arr addObject:dc];
}
[myMutableArray removeObjectsInArray:arr];
- Steve
Message: 7
Date: Thu, 21 Apr 2005 17:54:18 -0500
From: Sandeep Parikh <email@hidden>
Subject: matching single key/value pair to dictionary
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
I've got an NSMutableArray wherein every object is an
NSMutableDictionary. I would like to remove any NSMutableDictionary
that contains (among other things) a given single key/value pair.
Is there an existing class/method that will let me accomplish this?
I looked into using NSArray's makeObjectsPerformSelector but it
didn't seem to fit my needs exactly.
thanks!
-Sandeep
------------------------------
Message: 10
Date: Fri, 22 Apr 2005 12:17:33 +0200
From: Jiri Volejnik <email@hidden>
Subject: Objective-C++ and overloading and inheritance of static
member functions
To: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
The above to me seems comparable to:
http://www.research.att.com/~bs/bs_faq2.html#overloadderived
The only difference is the use of static members. However, when I
attempt
to use B::f, I am told that it doesn't exist and the options are the
two
functions in A::f.
In Bjarne's example, B is derived from A.
-- Jirka
------------------------------
Message: 11
Date: Fri, 22 Apr 2005 12:30:17 +0200
From: Ondra Cada <email@hidden>
Subject: Re: Memory management with nibs
To: j o a r <email@hidden>
Cc: Cocoa-Dev List <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=ISO-8859-2; format=flowed
J o a r,
On 22.4.2005, at 9:22, j o a r wrote:
Perhaps Apple should add a NSNibController class, that you could use
as the superclass of objects that loads a single nib file? The only
functionality this class would need to provide is the automatic
deallocation of top level nib objects, much as NSWindowController
does. Would be kind of neat.
In my personal and highly subjective opinion, with the services of
NSNib already available, the class would be too simple to have a real
raison'd etre. Anyway, you can make one yourself in no time flat, if
need be.
A propos of loaded views: presumed they are loaded once, added to some
view hieararchy, and not switched in/out later, the following pattern
might be slightly more convenient:
...
IBOutlet MyView *loadedView;
...
[NSBundle loadNibNamed:"MyNIBWithView" owner:self];
[parentView addSubview:loadedView];
[loadedView release]; // retained by the parent view
without a need to take care anymore, for the view will be released when
the whole window gets dealloc'd.
---
Ondra Èada
OCSoftware: email@hidden http://www.ocs.cz
private email@hidden http://www.ocs.cz/oc
------------------------------
Message: 12
Date: Fri, 22 Apr 2005 06:42:45 -0400
From: Andrew Kinnie <email@hidden>
Subject: Re: Printing issues
To: Frank Fenn <email@hidden>
Cc: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset="windows-1252"
Yeah, I found that one, but that doesn't help me get the available
paper sizes for a given printer, because I need to know the name of the
paper in order to use the method. For Letter and Legal, that is fine,
but I won't know what different receipt printer manufacturers may be
calling their custom receipt page sizes.
Also, apparently it relies on what is in the PPD file, and it doesn't
appear that Star Micronics (for example) has a PPD file for its printer
(the one I am testing on). At least nothing showed when I did a global
search for file names containing ppd after installing the drivers.
I can only assume this is why when I hard coded the name of the receipt
paper into the app, and tried to use this method, it returned nil.
I'm hoping I can do this so I won't need to change to code every time a
new receipt printer is released by someone. That would seem rather
irrational to me.
On Apr 21, 2005, at 10:56 PM, Frank Fenn wrote:
Hi Andrew,
Second, I also hand coded the paper size, because I can't figure out
how to determine the available paper sizes for a particular printer.
Is there a way to do this?
NSPrinter
pageSizeForPaper:
- (NSSize)pageSizeForPaper:(NSString *)paperName
Returns the size of the page for the paper type paperName. Possible
values for paperName are contained in the printers PPD file. Typical
values are Letter and Legal. Returns a zero size if paperName is not
recognized, or its entry in the PPD cannot be parsed.
Sincerely,
Frank Fenn
--
Bright Light Software - http://www.brightlightsoftware.com
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------------------------------
Message: 13
Date: Fri, 22 Apr 2005 07:27:28 -0400
From: Darkshadow <email@hidden>
Subject: Re: subversion support in XCode?
To: Lloyd Dupont <email@hidden>
Cc: email@hidden
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
On Apr 22, 2005, at 3:07 AM, Lloyd Dupont wrote:
I'm running a beta version of 10.4 and I'm using XCode
I'm trying to use Subversion but it doesn't seems to be integrated
with the SCM menu of XCode..
Any reason for that? Am I missing something? Any lead or pointers?
thanks!
That's still under NDA until the 29th....
Darkshadow (aka Michael Nickerson)
------------------------------
Message: 14
Date: Fri, 22 Apr 2005 09:44:56 -0700
From: Marc Krochmal <email@hidden>
Subject: Re: NSNetServiceBrowser / NSNetService Hostname Lookup
To: Adam <email@hidden>
Cc: Cocoa Apple <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
Hi Adam,
On Apr 21, 2005, at 8:01 PM, Adam wrote:
I read about NSNetServiceBrowser and I wrote a small app that could
detect the rendezvous / bonjour iTunes sharing service on the
network using NSNetServiceBrowser and NSNetService with a service
type of _daap._tcp.
NSNetService returns a struct sockaddr that has the IP address and
the port of the machine broadcasting the service. However, I would
also like to get the hostname / Computer Name of the machine
broadcasting this service. How could I obtain this info?
There's no easy way to retrieve the Computer Name of the service, but
starting in Tiger, you'll be able to get the hostname after resolving
the service by using the new NSNetService "hostName" method. If you
need to get the hostname in Panther, then you'll need to use
DNSServiceResolve() located in /usr/include/dns_sd.h.
-Marc
------------------------------
Message: 15
Date: Fri, 22 Apr 2005 17:57:41 +0100
From: Nicko van Someren <email@hidden>
Subject: Re: NSNetServiceBrowser / NSNetService Hostname Lookup
To: Marc Krochmal <email@hidden>
Cc: Cocoa Apple <email@hidden>
Message-ID: <email@hidden>
Content-Type: text/plain; charset=US-ASCII; format=flowed
On 22 Apr 2005, at 17:44, Marc Krochmal wrote:
On Apr 21, 2005, at 8:01 PM, Adam wrote:
I read about NSNetServiceBrowser and I wrote a small app that could
detect the rendezvous / bonjour iTunes sharing service on the network
using NSNetServiceBrowser and NSNetService with a service type of
_daap._tcp.
NSNetService returns a struct sockaddr that has the IP address and
the port of the machine broadcasting the service. However, I would
also like to get the hostname / Computer Name of the machine
broadcasting this service. How could I obtain this info?
There's no easy way to retrieve the Computer Name of the service, but
starting in Tiger, you'll be able to get the hostname after resolving
the service by using the new NSNetService "hostName" method. If you
need to get the hostname in Panther, then you'll need to use
DNSServiceResolve() located in /usr/include/dns_sd.h.
Since an Apple employee has set the precedent, does this mean we are
now allowed to discuss the API extensions to 10.4? It's surely in
Apple's interest for as many of us as possible to be able to support
Tiger sooner rather than later.
Nicko
------------------------------
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