Java borrowed from Objective-C on this and many other features. Java
was actually derived from Obj-C.
It is a class method.
OK. I like Objective-C better anyway.
As to your other question, do this:
[[myInstance class] myClassMethod];
Yes, thank you, that worked.
Hi,
this bug drives me crazy for a long time now. I hope someone has
another hint what I could try out to fix it.
My application writes and opens Core Data files in XML format.
Sometimes I can't find any way to open an existing file. After
spinning wheel for a minute (!), the app states:
Am 17.10.2008 um 01:24 schrieb Stefan Werner:
The only drawback is you get partially buggy, backward compatible
behavior on Leopard when you link against the 10.4 SDK.
Can you elaborate? I was under the naive assumption that as long as
I don't use any 10.5-only APIs the 10.4 SDK and the
On Fri, Oct 17, 2008 at 3:38 AM, Alexander Shmelev [EMAIL PROTECTED] wrote:
I have to find application bundle with its identifies, but [NSBundle
bundleWithIdentifier: ] searches only among running bundles. Is there any
way to found bundle of not running application using its identifier?
Not
Look at NSWorkspace, it has a number of methods for locating
applications by bundle identifier.
On 17 Oct 2008, at 09:38, Alexander Shmelev wrote:
Hello,
I have to find application bundle with its identifies, but [NSBundle
bundleWithIdentifier: ] searches only among running bundles. Is
On 17 Oct 2008, at 03:17, Drarok Ithaqua wrote:
Hi all, i'm trying to find a way to convert an HTML-originated URL
into one I can use in cocoa.
Example input: link type=application/rss+xml rel=alternate
href=/search/uniqueamp;stuffamp;here /
I know the URL that this data is fetched from,
Thanks, did that. :)
rdar://problem/6299256
Am 16.10.2008 um 20:13 schrieb Aki Inoue:
Since the key events are currently handled directly by the text view
short-circuiting the normal key binding management (and, thus, -
control:textView:doCommandBySelector: delegation), there is no easy
I have an app which overrides -[NSWindow miniaturize:] in a category
(to avoid crowding the dock).
Works perfectly, but...
If this window being minimized has a sheet attached (attachedSheet is
non-nil) this will be lost on deminiaturizing. But the modal loop is
still running, waiting for
On Oct 17, 2008, at 3:55 AM, Stephen J. Butler wrote:
On Fri, Oct 17, 2008 at 3:38 AM, Alexander Shmelev
[EMAIL PROTECTED] wrote:
I have to find application bundle with its identifies, but [NSBundle
bundleWithIdentifier: ] searches only among running bundles. Is
there any
way to found
Is there any benefit in introducing a model controller, as another
layer of indirection between the model and the view controller? Or
should all business logic live right in the model? In what cases
having a separate model controller can be justified?
(Except for the model selection, which with
On Oct 17, 2008, at 06:03 , Gerriet M. Denkmann wrote:
I have an app which overrides -[NSWindow miniaturize:] in a category
(to avoid crowding the dock).
Works perfectly, but...
If this window being minimized has a sheet attached (attachedSheet
is non-nil) this will be lost on
On Thu, Oct 16, 2008 at 6:45 PM, Russ [EMAIL PROTECTED] wrote:
My menus are generated programmatically, not with a NIB (non-negotiable).
I know you say non-negotiable, but I'm going to discuss it anyway,
because there are some facts you may not be aware of.
First fact: Cocoa does not support
On 17 Oct 2008, at 15:57, Jason Coco wrote:
On Oct 17, 2008, at 06:03 , Gerriet M. Denkmann wrote:
I have an app which overrides -[NSWindow miniaturize:] in a
category (to avoid crowding the dock).
Works perfectly, but...
If this window being minimized has a sheet attached
In my Leopard-only app, I'm successfully using the LSSharedFileList
APIs to add remove my app from the Login Items list, and to check at
launch if it's in the list (so I can correctly default the setting in
the app's prefs window).
Is there a way to get notified when the entry is manually
Hi all,
I want to use the same widgets as the OS uses for its windows (red,
yellow and green dots) for a status bar in my application, like IB
does to indicate sync status with XCode. This is to reflect the
connection status (red == not connected, green connected etc.) in
mine. Is there
Does this help?
standardWindowButton:forStyleMask:
--Andy
On Oct 17, 2008, at 12:46 PM, Andre Masse wrote:
Hi all,
I want to use the same widgets as the OS uses for its windows (red,
yellow and green dots) for a status bar in my application, like IB
does to indicate sync status with
On Fri, Oct 17, 2008 at 6:03 AM, Gerriet M. Denkmann
[EMAIL PROTECTED] wrote:
I have an app which overrides -[NSWindow miniaturize:] in a category (to
avoid crowding the dock).
I would be very surprised if you ever got this working. The windowing
system is more complicated than NSWindow would
Oh yeah! Looks like its exactly what I need!
Thanks a lot,
Andre Masse
On Oct 17, 2008, at 13:07, Andy Lee wrote:
Does this help?
standardWindowButton:forStyleMask:
--Andy
On Oct 17, 2008, at 12:46 PM, Andre Masse wrote:
Hi all,
I want to use the same widgets as the OS uses for its
Thanks for your responses.
Chuck:
First : I used assign in order to be taught about it, actually I
have never explicitly used. but As far as I know assign is the default
so implicitly I have used it. with out problems.
Second: Let me see If I understood. they should be copy since all the
classes
On Oct 17, 2008, at 1:25 PM, Ignacio Enriquez wrote:
Second: Let me see If I understood. they should be copy since all the
classes all conform to NSCopying. this means that all (and I mean ALL
) properties should be copy?? (since all objects inherits from
NSObject and this class conform to
One thing to point out is that there is no guarantee that those
window widgets will continue to be red, yellow and green dots in a
future OS release. Or that someone won't patch -
standardWindowButton:forStyleMask: as part of a haxie for skinning
the UI, in which case you could end up with
On Fri, Oct 17, 2008 at 1:41 PM, Steve Christensen [EMAIL PROTECTED] wrote:
I would suggest either tracking down a
set of images you like and then include them in your app's bundle, or
rolling your own. Fewer chances for surprises that way.
If you want the widgets that are in the upper-left
I think I am beginning to understand this.
What gives you the impression that NSObject (and thus all of its subclasses)
conform to NSCopying?
I think I was wrong... I will read the documentation about this.
A property should be copy when you are interested in the *value* of the
thing being
On Oct 17, 2008, at 10:52 AM, Kyle Sluder wrote:
On Fri, Oct 17, 2008 at 1:41 PM, Steve Christensen
[EMAIL PROTECTED] wrote:
I would suggest either tracking down a
set of images you like and then include them in your app's bundle, or
rolling your own. Fewer chances for surprises that way.
On Fri, Oct 17, 2008 at 2:04 PM, Steve Christensen [EMAIL PROTECTED] wrote:
The OP's request was for a way to get ahold of the red, yellow and green
dots used (currently) as window widgets so that he could use them as status
images:
In that case I extend my comment to include the following:
To cover up myself, I will steal those widgets' images from the
system, using the method suggested and save them in my project.
Thanks for your remarks guys,
Andre Masse
On Oct 17, 2008, at 14:04, Steve Christensen wrote:
On Oct 17, 2008, at 10:52 AM, Kyle Sluder wrote:
On Fri, Oct 17,
On Oct 17, 2008, at 10:38 AM, Karl Moskowski wrote:
Is there a way to get notified when the entry is manually added or
removed by the user from System Preferences? This way, I could keep
my prefs check-box consistent with System Preferences while the app
running.
There is a way, but it
On 17-Oct-08, at 2:19 PM, Nick Zitzmann wrote:
There is a way, but it doesn't appear to be documented very well.
Search the headers for LSSharedFileListAddObserver().
That appears to be par for the course with the LSSharedFileList APIs -
none are well-documented (or at all, AFAIK).
On Oct 17, 2008, at 1:59 PM, Ignacio Enriquez wrote:
I think I am beginning to understand this.
What gives you the impression that NSObject (and thus all of its
subclasses)
conform to NSCopying?
I think I was wrong... I will read the documentation about this.
A property should be copy
I'd like to be notified when the mouse button has been released after
some live tracking of a slider. I can probably do it by subclassing
NSSlider and NSSliderCell, for instance overriding [NSCell
stopTracking:at:inView:mouseIsUp:], but is there an easier way?
--
James W. Walker,
--- On Fri, 10/17/08, Ignacio Enriquez [EMAIL PROTECTED] wrote:
Regarding former responses...
aObject.property is like using getter and
setter methods (depending
on the situation)
and just property is going directly to the
property ...
Did I get it right? if so, why using setter methods
On Fri, Oct 17, 2008 at 2:33 PM, James Walker [EMAIL PROTECTED] wrote:
I'd like to be notified when the mouse button has been released after some
live tracking of a slider. I can probably do it by subclassing NSSlider and
NSSliderCell, for instance overriding [NSCell
On Fri, Oct 17, 2008 at 5:28 AM, Oleg Krupnov [EMAIL PROTECTED] wrote:
Is there any benefit in introducing a model controller, as another
layer of indirection between the model and the view controller? Or
should all business logic live right in the model? In what cases
having a separate model
Hi,
I am developing uninstall utility using cocoa to delete driver files from
/System/Library/Extensions/myDriver.kext. I am using system(rm -r
myDriver.kext) to delete the file. This is successfully done in root user. But
in normal user permissions denied.
Is there any other method to
Hi,
I am developing uninstall utility using cocoa to delete driver files from
/System/Library/Extensions/myDriver.kext. I am using system(rm -r
myDriver.kext) to delete the file. This is successfully done in root user. But
in normal user permissions denied.
Is there any other method
On Fri, Oct 17, 2008 at 8:51 AM, Sachin Kumar [EMAIL PROTECTED] wrote:
I am using system(rm -r myDriver.kext) to delete the file.
Please, *don't do this*. Pretend 'system' doesn't exist. unlink(2)
does exactly what you're looking for.
Is there any other method to delete the files in cocoa
Michael Ash wrote:
On Fri, Oct 17, 2008 at 2:33 PM, James Walker [EMAIL PROTECTED] wrote:
I'd like to be notified when the mouse button has been released after some
live tracking of a slider. I can probably do it by subclassing NSSlider and
NSSliderCell, for instance overriding [NSCell
On Fri, Oct 17, 2008 at 4:14 PM, Karl Moskowski
[EMAIL PROTECTED] wrote:
LSSharedFileListRef list =
LSSharedFileListCreate(kCFAllocatorDefault,
kLSSharedFileListSessionLoginItems, nil);
LSSharedFileListAddObserver(list, CFRunLoopGetCurrent(),
kCFRunLoopDefaultMode,
On Fri, Oct 17, 2008 at 5:17 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
Just curious why the recommendation against system()?
1) There's no need for it here. Why launch /bin/sh just to launch
/bin/rm, when you can call unlink(2) yourself?
2) In this case, system(3) will launch a shell *as root*.
On Oct 16, 2008, at 3:59 PM, Dave Dribin wrote:
On Oct 15, 2008, at 5:52 PM, Melissa J. Turner wrote:
Stale data is unlikely to be a problem unless you're expecting to
load it significantly before you actually need it, which would be
the same if you were loading it into a separate context on
--- On Fri, 10/17/08, Russ [EMAIL PROTECTED] wrote:
My app is drawing acceptably (for now) the first time, but
the screen isn't updating after anything happens. I am
calling setNeedsDisplay:YES on the affected NSViews and
their drawRect routines are getting called, but it seems the
results
I ended up writing a little app that plays a movie across all
displays. If anyone else needs it (or has some advice to make it
better) its here
http://www.memo.tv/msa_qt_player_fullscreen_quicktime_player_across_multiple_video_outs
---
Memo (Mehmet S.
Good idea, but no such luck. It's sequencing through them as expected, and the
addresses match up to a separate dump I have. The rectangle is OK too. My views
are flipped BTW. I'm real happy with how the draw looks, if it would just keep
on drawing Is there anything on the NSWindow that
Hi Ulf,
You're probably calling -setFlipped: on the images somewhere else. Don't do
this.
The flipped attribute of NSImage is widely misunderstood. It describes the
orientation of the internal coordinate system of the NSImage. Just as a
superview never cares about the flippedness of its
If you really only want to be informed of the final value, you can just set
'Continuous' to NO in IB.
Mike's technique is good though, and can provide better UI if you have a
cheap action you can take continuously and something more expensive that
cannot afford to do live. For this, use a delay
On Oct 17, 2008, at 5:48 PM, Russ wrote:
Anything else I'm missing that's needed to enable the new images to
make it to the screen? I have a normal event loop NSApp run going,
things would be going well if the redraws were visible. Thanks.
Apologies if this is in reference to another
Hi! With all due respect, I think that you might run into a potential
trouble area -- or at least a gray area -- in doing that, as those
standard window button images are likely copyrighted by Apple. The
ethical thing to do would be to only use images to which you can
secure the rights.
Folks,
I'm trying to use the new NSDictionaryController in a project I'm
working on, and I'm running into a bit of trouble.
I have a dictionary which contains a list of MB_Robot objects, sorted
by their unique IDs. Each MB_Robot provides the code necessary to
operate a single robotic
I'm not clear about the semantics of the Objective-C exception-
handling constructs, even after going through the Apple Objective-C
documentation and the developer-doc conceptual Exception Handling.
The definitions are very terse or missing and the examples are
incomplete. The problem with
Without knowing more specifics, I am struggling to find why one would need a
full-blown class just to invoke a command. At the simplest, one could use
the system(3) call, or the exec/spawn/fork/popen families depending on what
you need. It is of course, possible to wrap up something fancy like
Hi DI... Depending on how heavy you need to understand the structure of the
HTML, a simple parse using string chopping/ranges might be sufficient OR
(personally I would prefer) use something like libxml2 / Xpath to grok the
input. Note simple resolution of entities might not be sufficient,
On Oct 17, 2008, at 9:38 AM, Karl Moskowski wrote:
In my Leopard-only app, I'm successfully using the LSSharedFileList
APIs to add remove my app from the Login Items list, and to check
at launch if it's in the list (so I can correctly default the
setting in the app's prefs window).
Is
On 18 Oct 2008, at 8:48 am, Russ wrote:
My app is drawing acceptably (for now) the first time, but the
screen isn't updating after anything happens. I am calling
setNeedsDisplay:YES on the affected NSViews and their drawRect
routines are getting called, but it seems the results aren't
On Fri, Oct 17, 2008 at 7:12 PM, Dale Miller [EMAIL PROTECTED] wrote:
In particular, the examples show a series of @catch blocks arranged in
most-specific to least-specific order. Since the different blocks in the
example
have different parameter specifications for the different blocks this
On Fri, Oct 17, 2008 at 7:31 PM, Peter Ammon [EMAIL PROTECTED] wrote:
Consider syncing with the list every time your app is activated. A user
won't be able to add or remove items from SysPrefs without first
deactivating your app, and when your app is activated again, you'll pick up
any
That's a good idea. Thanks.
Karl Moskowski [EMAIL PROTECTED]
Voodoo Ergonomics Inc. http://voodooergonomics.com/
On 17-Oct-08, at 7:31 PM, Peter Ammon [EMAIL PROTECTED] wrote:
On Oct 17, 2008, at 9:38 AM, Karl Moskowski wrote:
In my Leopard-only app, I'm successfully using the
No offence :-)
Anyway, I end up rolling up my own. Couldn't get at the NSImage from
the button. Was much quicker to draw them ;-)
Thanks,
Andre Masse
On Oct 17, 2008, at 18:51, Andrew Merenbach wrote:
Hi! With all due respect, I think that you might run into a
potential trouble area
Sorry about the source code part, but this is an existing cross-platform
commercial app being 64-bit-Cocoa-ized. It uses a portability library that was
carbon and is being brought piecemeal to Cocoa. So there's like 10k lines of
code for that at the moment. It's successfully building and
On Fri, Oct 17, 2008 at 5:29 PM, Kyle Sluder
[EMAIL PROTECTED] wrote:
On Fri, Oct 17, 2008 at 5:17 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
Just curious why the recommendation against system()?
1) There's no need for it here. Why launch /bin/sh just to launch
/bin/rm, when you can call
On Fri, Oct 17, 2008 at 5:01 PM, James Walker [EMAIL PROTECTED] wrote:
Wow, I never would have come up with that on my own. Thanks a lot!
You're welcome. I can't take any credit for it, though, as I didn't
come up with it on my own either. I no longer remember where I got it,
but it was
On Fri, Oct 17, 2008 at 7:43 PM, Kyle Sluder
[EMAIL PROTECTED] wrote:
On Fri, Oct 17, 2008 at 7:31 PM, Peter Ammon [EMAIL PROTECTED] wrote:
Consider syncing with the list every time your app is activated. A user
won't be able to add or remove items from SysPrefs without first
deactivating
On 18 Oct 2008, at 6:45 am, Michael Ash wrote:
- (IBAction)sliderMoved:(id)sender {
SEL trackingEndedSelector = @selector(sliderEnded:);
[NSObject cancelPreviousPerformRequestsWithTarget:self
selector:trackingEndedSelector object:sender];
[self performSelector:trackingEndedSelector
On Oct 17, 2008, at 12:25 PM, Ignacio Enriquez wrote:
Thanks for your responses.
You're welcome.
First: self.property is only or reading right?
No. self.property may be used either to get the value of the property
or, as the target of an assignment statement, to set the value of the
On Fri, Oct 17, 2008 at 4:14 PM, Aurora Phoenix
[EMAIL PROTECTED] wrote:
Without knowing more specifics, I am struggling to find why one would need a
full-blown class just to invoke a command.
Because it is easier to use, and it handles many edge cases. Also, you
are over-estimating the
On Oct 17, 2008, at 5:33 PM, Michael Ash wrote:
On Fri, Oct 17, 2008 at 5:29 PM, Kyle Sluder
[EMAIL PROTECTED] wrote:
On Fri, Oct 17, 2008 at 5:17 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
Just curious why the recommendation against system()?
1) There's no need for it here. Why launch
On Oct 17, 2008, at 5:55 PM, Jonathon Kuo wrote:
If the coder doesn't take care to use fully qualified pathnames
like /bin/rm, etc., then it opens the door to security issues.
That's not an inherent problem with system(), per se, but the coder.
Wouldn't fork()/exec() and NSTask also suffer
On Oct 17, 2008, at 4:08 PM, Ron Aldrich wrote:
Folks,
I'm trying to use the new NSDictionaryController in a project I'm
working on, and I'm running into a bit of trouble.
I have a dictionary which contains a list of MB_Robot objects,
sorted by their unique IDs. Each MB_Robot provides
On Fri, Oct 17, 2008 at 5:55 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
On Oct 17, 2008, at 5:33 PM, Michael Ash wrote:
On Fri, Oct 17, 2008 at 5:29 PM, Kyle Sluder
[EMAIL PROTECTED] wrote:
On Fri, Oct 17, 2008 at 5:17 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
Just curious why the
Nope. No way to swap out the valuetransformer of the binding per row.
You can use part of Keary's suggestion tho. Don't set a
valuetransformer at all in the binding for the column. Use the
willDisplayCell: delegate method to take the value out of the cell,
apply your own value
On Fri, Oct 17, 2008 at 8:55 PM, Jonathon Kuo
[EMAIL PROTECTED] wrote:
On Oct 17, 2008, at 5:33 PM, Michael Ash wrote:
And most important of all (I think), it almost always opens a security
hole.
This case is a great example. The system() call as posted uses rm as
the command. This in turn
On Oct 14, 2008, at 4:06 PM, Graham Cox wrote:
On 15 Oct 2008, at 9:30 am, Citizen wrote:
I have a master-detail interface, where the Detail interface is in
a separate nib from the main Master interface (so that different
Detail interfaces can be swapped in).
The main Master interface
On Fri, Oct 17, 2008 at 10:00 PM, Dale Miller [EMAIL PROTECTED] wrote:
Does the word 'type' here mean 'the
class of the exception object'?
Yes. It means type as in the type system. If the class of the
exception being thrown is equal to or is a subclass of the type of the
pointer provided in
Thanks to Kyle Sluder for answering my questions.
Dale Miller
[EMAIL PROTECTED]
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On Oct 15, 2008, at 2:53 AM, Sebastian Morawietz wrote:
Hi folks,
I'm trying to implement a simple object bridge in cocoa where the
bridge object acts as a kvo/bindings-compliant drop in for some
arbitrary other NSObject-instance.
Here is my problem (more details in the attached code):
A
Ken:
I'm starting to think that you should avoid declared properties and dot
syntax for now. With some of the newer features of Objective-C and Cocoa,
it can be helpful for novices to first become proficient with the old way
so they understand the details which are hidden by the new way.
In
Check to make sure [window isFlushWindowDisabled] is NO and [window
isAutodisplay] is YES.
Yes, both OK.
Also, try dropping a standard control (e.g. a button) in and see if it
redraws to the pressed state when you press it.
When I do this programmatically after creating the main window's
On Oct 17, 2008, at 10:47 PM, Ignacio Enriquez wrote:
I'm starting to think that you should avoid declared properties and
dot
syntax for now. With some of the newer features of Objective-C and
Cocoa,
it can be helpful for novices to first become proficient with the
old way
so they
Recently found this in the Apple NSImage docs re: CompositeToPoint method:
Important: If you are writing new code, or updating old code, you
should avoid using this method. Instead, you should use the
drawAtPoint:fromRect:operation:fraction: or
drawInRect:fromRect:operation:fraction: method to
The composite methods are not more efficient. It isn't possible to 'ignore'
the current transform matrix - it's possible to do further calculation to
undo (parts of) its effects. This is what the composite methods do.
The primary reason to avoid the composite methods is that they have
surprising
Folks;
I have developed an application with XC 3.1 on a 10.5 Intel machine
using the 10.5 SDK w/ a 10.4 deployment target.
(No GC for me!)
In testing I immediately ran into a few difficulties on a 10.4 PPC
machine.
In the course of tracking down these issues I ended up installing XC
2.5
On Oct 18, 2008, at 12:18 AM, Steve Cronin wrote:
I have developed an application with XC 3.1 on a 10.5 Intel machine
using the 10.5 SDK w/ a 10.4 deployment target.
(No GC for me!)
In testing I immediately ran into a few difficulties on a 10.4 PPC
machine.
In the course of tracking down
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