On Jul 7, 2009, at 22:36, Brian Hughes wrote:
So I changed my code to reflect Quincy Morris's recommendations.
-(int) numberOfRowsInTableView: (NSTableView *)aTableView {if
(aTableView == gameScoresTableView) //This works as expected {
LNPlayer *currentPlayer = [playersArray objectAtIndex:
On Jul 8, 2009, at 1:36 AM, Brian Hughes wrote:
So I changed my code to reflect Quincy Morris's recommendations.
Something removed the indentation from your code, so I've re-added it
below:
-(int) numberOfRowsInTableView: (NSTableView *)aTableView {
if (aTableView ==
The RedLaser app overlays a display on the 3GS' video capture screen,
and seems to be able to react to the video in real time. Are they
using public APIs to do this? If so, I can't find them.
Mike
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Hi Brian,
you seem to only check for gameScoresTableView and
playerManagementTableView.
Are your Controller outlets actually connected to these 2 NSTableViews?
Regards,
Florian.
On 06 Jul 2009, at 20:14, Brian Hughes wrote:
Hi,
I have two tableViews in my application. One works
-(id) tableView: (NSTableView *) aTableView
objectValueForTableColumn: (NSTableColumn *) aTableColumn row:
(int) rowIndex
{
id returnValue = nil;
if (aTableView == gameScoresTableView)
{
LNPlayer *currentPlayer = [playersArray objectAtIndex:
On Jul 8, 2009, at 00:31, Andy Lee wrote:
//returnValue = [player valueForKey: [aTableColumn identifier]];
if ([[aTableColumn identifier] isEqualTo: @firstName_] == YES)
returnValue = [player firstName_];
else if
Hi Every Friend,
In my app, my purpose is to limit the media type to the .mp3 and .aiff
only when I drag files into a table view. Other type is not allowed.
The code fragment is to limit the media type to mp3 and .aiff. When I
drag file into table view, MP3 file is OK. But the .aiff
On Jul 7, 2009, at 11:19 PM, Daniel DeCovnick wrote:
Point of order, you CAN use bindings in code, it's just far more
convenient to do so in IB.
Well, yes, but:
On Jul 7, 2009, at 1:59 PM, I. Savant wrote:
I assumed (s)he meant not bindings.
I might be wrong, but that's how I took
Hi,
I use NSTask to run a command line program(ffmpeg in this case), NSPipe can't
get the output from the program, but I can see those messages from the Console
during runtime, is there a way to grab the Console output from a running cocoa
app? Thanks,
Angelo
Yahoo!香港提供網上安全攻略，教你如何防範黑客!
Hi, I need do achieve the following scenario:
- a matrix of images
- multiple selection of the images (including discontiguous selection)
- dragging the selected images out (but not dragging images in)
My thought was that I could use an NSMatrix with NSImageCells, but my
initial test by
On 08/07/2009, at 9:11 PM, Gideon King wrote:
Is there already a component out there that does all or some of what
I describe above? I wouldn't be surprised if others have needed to
do similar things before.
Check out IKImageBrowserView. It ticks all the boxes you mention,
though it's
Excellent, thanks. 10.5+ is fine.
Gideon
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It appears that the minimum image size for IKImageBrowserView is 40x40
(according to the setZoomValue documentation).
I need to use 16x16 images.
Is it easy to override this limitation? Any hints?
Thanks
Gideon
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Hi, I'd like to create a popup menu like the one in the Keynote format
bar where it shows the available fonts written in the font itself
(apart from the symbol fonts etc which have their font names used). I
imagine this shouldn't be too difficult using the view menu items in
10.5 (I've
On 08/07/2009, at 11:19 PM, Gideon King wrote:
Hi, I'd like to create a popup menu like the one in the Keynote
format bar where it shows the available fonts written in the font
itself (apart from the symbol fonts etc which have their font names
used). I imagine this shouldn't be too
On Jul 8, 2009, at 9:26 AM, Graham Cox wrote:
[NSMenuItem setAttributedTitle:];
... and if you want to get really fancy (ie modern), you could
build the list with regular strings (just setTitle:) relatively, but
use NSOperation/Queue to create / set the attributed titles with the
On 08/07/2009, at 11:33 PM, I. Savant wrote:
[NSMenuItem setAttributedTitle:];
... and if you want to get really fancy (ie modern), you could
build the list with regular strings (just setTitle:) relatively,
but use NSOperation/Queue to create / set the attributed titles with
the
On Jul 8, 2009, at 9:46 AM, Graham Cox wrote:
- (BOOL)menu:(NSMenu *)menu updateItem:(NSMenuItem *)item atIndex:
(NSInteger)index shouldCancel:(BOOL)shouldCancel
is actually invoked on some sort of background thread/queue, so
implementing these methods (the above + numberOfItemsInMenu:) in
There is no API for that at this time.
Luke
Sent from my iPhone.
On Jul 8, 2009, at 12:00 AM, Mike Manzano
m...@instantvoodoomagic.com wrote:
The RedLaser app overlays a display on the 3GS' video capture
screen, and seems to be able to react to the video in real time. Are
they using
Is this the RedLaser app I just found on the store? I can't think that
Apple would approve an app which used a private API.
On Jul 8, 2009, at 9:56 PM, Luke Hiesterman wrote:
There is no API for that at this time.
Luke
Sent from my iPhone.
On Jul 8, 2009, at 12:00 AM, Mike Manzano
I have attached a sample outline view code ,
the outline view cell has a custom text and image cell . Whenever i do
selection of an item using mouse and continue holding mouse, the
image
of the selected item does not change until i release the mouse. This
problem is only seen i compile the
I have attached a sample outline view code ,the outline view cell has a
custom text and image cell . Whenever i do selection of an item using mouse
and continue holding mouse, the
image of the selected item does not change until i release the mouse. This
problem is only seen i compile the
Due to the dynamic nature of Obj-C, there really isn't a good way for
Apple to detect most private API uses.
Dave
On Jul 8, 2009, at 7:05 AM, Roland King wrote:
Is this the RedLaser app I just found on the store? I can't think
that Apple would approve an app which used a private API.
On
Let's keep this discussion to what can be done with supported API, not
what can be done to subvert API. As for the camera, there's currently
no supported method for drawing overlays. I believe a feature request
exists for this functionality.
Luke
On Jul 8, 2009, at 8:35 AM, Dave Camp
Angelo Chen wrote:
I use NSTask to run a command line program(ffmpeg in this case),
NSPipe can't get the output from the program, but I can see those
messages from the Console during runtime, is there a way to grab
the Console output from a running cocoa app? Thanks,
Run the ffmpeg
On Jul 8, 2009, at 12:31 AM, Andy Lee wrote:
if ([[aTableColumn identifier] isEqualTo: @firstName_] == YES)
returnValue = [player firstName_];
else if ([[aTableColumn identifier] isEqualTo: @lastName_])
returnValue
Hello,
Looking for an experienced Cocoa developer to join our Mac and iPhone
development team. You will be working on the Mac and/or iPhone
versions of Skype. Ideal candidate should be very familiar with
application design, user interface implementation and have a strong
understanding of
Hi all,
I've got an NSTableView that triggers some relatively expensive stuff
when its selection changes. If the user is holding down one of the
arrow keys to move through the list, I'd like to wait until they've
finished before starting the operation. (Somewhat akin to what
Mail.app does -- it
Hi ,
I got a problem here , problem is with drawRect: method , i am
using UIViewController class in which i have one PolygonView instance . I
already added this as an outlet in nib file , now what when i am trying to
unwrap CGPoints from NSValue ,which i got from NSArray i could not
Hi,
I am in a case where I have no access to the main thread since I am making a
plugin which consists of a dynamic library loaded by a third party program.
This third party program has nothing to deal with Cocoa and only uses
standard C API. And it has it's own main loop.
In the plugin I
Hi all,
--- intro ---
I've been working on bringing the Eiffel programming language [1] to Mac OS
X and especially porting the main GUI framework EiffelVision [2] for the
last four months. (If you never heard about the language I encourage you to
have a look yourself, some of the main features
On Jul 4, 2009, at 9:10 PM, mmalc wrote:
If you manipulate an instance variable anywhere other than in an
initialiser or a dealloc method, you should use a suitable accessor
method.
On Jul 5, 2009, at 6:53 AM, mmalc wrote:
On Jul 4, 2009, at 9:40 PM, WT wrote:
[...]
There is plenty of
I am wondering if anybody could provide a little details on how to
register through CGSRegisterNotifyProc for an unlock screen
notification.
Basically I would like my application to get notified when the user
successfully unlock the screen from screensaver.
On 08/07/2009 17:51, Caleb Strockbine ca...@mac.com wrote:
On Jul 4, 2009, at 9:37 PM, mmalc wrote:
In an initaliser method and in dealloc, you should typically set or
release the variable directly, so in dealloc it would be
[myArray release];
Really? Are -init and -dealloc special in
On Wed, Jul 8, 2009 at 8:33 AM, Allan Donaldli...@thehold.net wrote:
I've got an NSTableView that triggers some relatively expensive stuff
when its selection changes. If the user is holding down one of the
arrow keys to move through the list, I'd like to wait until they've
finished before
This was posted five days ago:
http://www.cocoabuilder.com/archive/message/cocoa/2009/7/3/240215
--Kyle Sluder
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On Jul 8, 2009, at 10:15 AM, Kyle Sluder wrote:
On Wed, Jul 8, 2009 at 8:33 AM, Allan Donaldli...@thehold.net wrote:
I've got an NSTableView that triggers some relatively expensive stuff
when its selection changes. If the user is holding down one of the
arrow keys to move through the list,
Hi there,
I'm experiencing an extremely frustrating bug. I've got a NSImageCell
in a tableview which points to binded to a method returning an
NSImage. The image is returned via NSImage imageNamed.
As the table is populated and depopulated I get [NSCachedImageRep
release]: message sent
On Jul 8, 2009, at 1:57 PM, Micha Fuhrmann wrote:
I dunno, I'm lost here.
So are we. Describe your bindings. Post any related code.
--
I.S.
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I have re-written the Accessors chapter of Cocoa Design Patterns several
times because of controversy over whether accessors should, can, must or must
not be used in initializers and dealloc. The bottom line is that accessors are
the only way to set synthesized instance variables to nil in the
On 6 Jul 2009, at 23:37, Devraj Mukherjee wrote:
Thanks all for your feedback. Seems quite inefficient. Wonder if this
is filed as a suggestion to Apple.
Seeming and being aren't the same. If you encounter performance
issues with Core Data, please capture a Shark or Instruments trace and
On 7/8/09 11:20 AM, Erik Buck said:
The bottom line is that accessors are the only way to set synthesized
instance variables to nil in the modern (64bit) Objective-C runtime.
True. But if I remember previous discussions correctly, that's a bug,
not a feature.
--
I'm trying to do a Core Data migration. I've got my .xcmappingmodel,
I've created a new version of the MOM, and both are under the same
xcdatamodeld. When I launch my application, I get the following error:
Persistant store migration failed, missing source managed object
model. A little
Why do I receive KVO notifications when a key is set to the same value
that it already is?
This happens not only when the new and old values are -isEqual:, but
when they are identically the same pointer. I can't think of any
reason why anyone would want notification of a no-op.
I
On Wed, Jul 8, 2009 at 6:24 PM, Adam R. Maxwellamaxw...@mac.com wrote:
On Jul 8, 2009, at 10:15 AM, Kyle Sluder wrote:
Subclass NSTableView and override -keyDown:
That sounds like a good way to do it. Another is to implement the table
delegate to enqueue/coalesce a notification [snip]
Yep,
You might try looking at this tutorial for some ideas.
Personal Database of Molecules
Cocoa for Scientists (Part XXII): Core Data Models
By drewmccormack at Mon, Feb 4 2008 9:04am
http://www.macresearch.org/cocoa-scientists-part-xxii-core-data-models
If you want specific
Jerry Krinock wrote:
This happens not only when the new and old values are -isEqual:,
but when they are identically the same pointer. I can't think of
any reason why anyone would want notification of a no-op.
What if the operation isn't a no-op? What if the operation
represented some
Likewise, what if I had a program that was counting the number of X events
per 10 seconds, and I wanted to add a data point to a list every time it was
updated? I would definitely want to record the same number twice in a row.
It may not be a common case, but reporting the value enables
I have CGContextRef that I use for some quartz calls. It is a bitmap
context. I would like to set it as the current context so that I can use
NSString drawAtPoint: withAttributes:. I do not see how to do this.
NSGraphicContext setCurrentContext: takes a NSGraphicContext and not an
CGContextRef. I
On Jul 8, 2009, at 4:03 PM, David Alter wrote:
I have CGContextRef that I use for some quartz calls. It is a bitmap
context. I would like to set it as the current context so that I can
use
NSString drawAtPoint: withAttributes:. I do not see how to do this.
NSGraphicContext
On Jul 8, 2009, at 15:05, Jerry Krinock wrote:
Why do I receive KVO notifications when a key is set to the same
value that it already is?
This happens not only when the new and old values are -isEqual:, but
when they are identically the same pointer. I can't think of any
reason why
On Jul 8, 2009, at 6:03 PM, David Alter wrote:
I have CGContextRef that I use for some quartz calls. It is a bitmap
context. I would like to set it as the current context so that I can
use
NSString drawAtPoint: withAttributes:. I do not see how to do this.
NSGraphicContext
On Jul 8, 2009, at 1:40 PM, Sean McBride wrote:
On 7/8/09 11:20 AM, Erik Buck said:
The bottom line is that accessors are the only way to set synthesized
instance variables to nil in the modern (64bit) Objective-C runtime.
True. But if I remember previous discussions correctly, that's a bug,
On 09/07/2009, at 2:51 AM, Caleb Strockbine wrote:
Really? Are -init and -dealloc special in some way that makes it a
bad idea to use accessors? If you've got an accessor for myArray,
why wouldn't you just say:
self.myArray = nil?
They are special. If a subclass overrides the accessor,
To prevent this behaviour, you could override setName: to only change
the value when the pointers are not the same.
Kiel
On 09/07/2009, at 8:05 AM, Jerry Krinock wrote:
Why do I receive KVO notifications when a key is set to the same
value that it already is?
This happens not only when
Hi all,
In an attempt to start using the scripting bridge, I followed the
instructions available here http://developer.apple.com/documentation/Cocoa/Conceptual/ScriptingBridgeConcepts/UsingScriptingBridge/UsingScriptingBridge.html
If use the sdef tool with the application I would like to
On 08/07/2009, at 4:44 PM, himanshu jain wrote:
- (id)initWithFrame:(CGRect)frame {
if (self = [super initWithFrame:frame]) {
// pointsArray =[[NSMutableArray alloc]init];
NSLog(@init);
//bounds=frame;
//NSLog(@%@,frame);
}
return self;
}
-(void)pointsArray:(NSMutableArray*)
On 09/07/2009, at 9:49 AM, Kiel Gillard wrote:
To prevent this behaviour, you could override setName: to only
change the value when the pointers are not the same.
That doesn't change the automatic KVO notification behaviour, which
takes effect 'outside' of the method itself. Whatever the
On 2009 Jul 08, at 16:20, Quincey Morris wrote:
Excuse me while I put on my properties-are-behavior crusader's hat. :)
OK, I get it. Since we don't always use @synthesize, @dynamic, or
Xcode's Scripts menu (noting the if() test in this implementation) ...
- (void)setName:(NSString
On Jul 8, 2009, at 3:05 PM, Jerry Krinock wrote:
Why do I receive KVO notifications when a key is set to the same
value that it already is?
Because the notification mechanism doesn't know or care if you're
setting the same value that's already there.
-jcr
On 09/07/2009, at 10:18 AM, Jerry Krinock wrote:
Maybe this is one of the reasons why it is quite common nowadays
that when a user clicks Undo 10 times, something is seen to happen
on only 5 or 6 of the clicks.
This is one of my pet hates too.
NSUndoManager could do with a couple of
Dear list members,
if you received a message sent by me meant to be sent privately to
Scott Anguish, yes, I screwed up. I admit it, and I take
responsibility for it. No need to reply to me, to him, nor to the list.
Some days I should just not get out of bed.
Thank you.
Wagner
On Jul 8, 2009, at 6:46 AM, Graham Cox wrote:
On 08/07/2009, at 11:33 PM, I. Savant wrote:
[NSMenuItem setAttributedTitle:];
... and if you want to get really fancy (ie modern), you could
build the list with regular strings (just setTitle:) relatively,
but use NSOperation/Queue to
What about properties that aren't backed by instance variables? Accessors are
still needed to set properties stored in an auxiliary dictionary etc. There
are literally only hours left for me to change a recommendation in Cocoa
Design Patterns that you SHOULD use accessors in initializers and
On Jul 8, 2009, at 9:06 PM, Peter Ammon wrote:
So for menus that may take a while to build, consider appending the
items as they come in (like the Airport status item), or showing a
Building... item until you're ready to add the complete set of
items.
What of menus that already have a
Because you have no idea what subclassers may do in their overrides of
the accessors (e.g. The subclassed accessor may rely on state that's
been torn down earlier in -dealloc).
It's just not safe, unless you can guarantee that you own the entire
inheritance chain.
.chris
On Jul 8,
I am working on a simple iPhone application.
One page contains a UIView with some information and a link to a website.
What controls should I use so that when the user taps the link, the
application to stop and the browser application to load the website.
Thank you,
Dragos
Because you have no idea what subclassers may do in their overrides of
the accessors
Sort of invalidates the whole encapsulation promise of OO design, doesn't it?
(e.g. The subclassed accessor may rely on state that's
been torn down earlier in -dealloc).
But any subclass that's going to
This question would be more appropriate on the iPhone Dev Forums.
That said, read the iPhone Application Programming Guide, http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/
- specifically the section on communicating with other applications
On Wed, Jul 8, 2009 at 7:28 PM, Jeff Laingjeff.la...@spatialinfo.com wrote:
Because you have no idea what subclassers may do in their overrides of
the accessors
Sort of invalidates the whole encapsulation promise of OO design, doesn't it?
No, it doesn't. It would in fact violate the
On 09/07/2009, at 11:06 AM, Peter Ammon wrote:
- (BOOL)menu:(NSMenu *)menu updateItem:(NSMenuItem *)item atIndex:
(NSInteger)index shouldCancel:(BOOL)shouldCancel
is actually invoked on some sort of background thread/queue, so
implementing these methods (the above + numberOfItemsInMenu:)
No, it doesn't. It would in fact violate the encapsulation principle
if your -dealloc method required your accessors to not rely on certain
state.
The ability to override accessors violates encapsulation because it adds
additional restrictions to the accessor that the superclass is not aware
On 8 Jul 2009, at 03:48, Angelo Chen wrote:
I use NSTask to run a command line program(ffmpeg in this case),
NSPipe can't get the output from the program, but I can see those
messages from the Console during runtime, is there a way to grab the
Console output from a running cocoa app?
On 8 Jul 2009, at 00:56, Bright wrote:
{ if(UTTypeConformsTo(uti, CFSTR(public.aiff-audio)))
You're looking for the wrong thing here.
% mdls /System/Library/Sounds/Morse.aiff
...
kMDItemContentType = public.aifc-audio
kMDItemContentTypeTree = (
public.aifc-audio,
On 8 Jul 2009, at 09:53, Austin wrote:
I am wondering if anybody could provide a little details on how to
register through CGSRegisterNotifyProc for an unlock screen
notification.
Basically I would like my application to get notified when the user
successfully unlock the screen from
I'm trying to get information about printing margins so my app can
show where the edges of the paper are correctly as well as the content
area.
I thought that's what NSPrintInfo methods such as -topMargin gave me -
the margins set by the Page Setup... dialog. But they never change no
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