On Oct 27, 2009, at 10:44 PM, Scott Anguish wrote:
There should be a tech note shortly that describes these capabilities.
Is this the one?
http://developer.apple.com/mac/library/releasenotes/DriversKernelHardware/RN-MagicMouse/index.html
It doesn't mention NSTouch, so I'm hoping there's more
On Oct 2, 2009, at 7:45 AM, Bill Bumgarner wrote:
In either case, assuming the undefined reference is nil would be a
bug. Initializing the variables to nil prior to the call isn't going
to change anything in that regard.
(And, yes, there are methods that modify their error parameter on
On Aug 27, 2009, at 9:18 PM, Rick C. wrote:
hello,
my apologies if this is a bit off-topic, but once an app is done
does anyone have a recommendation on how to go about setting up a
registration code system for the created app. i guess it needs some
programming in partner with some
On Aug 24, 2009, at 5:20 PM, Agha Khan wrote:
HI:
I know the leak is in next 2 lines
I have commented all the code except these 2 lines.
// NSTimeInterval
NSCalendar *gregorian = [[NSCalendar alloc]
initWithCalendarIdentifier:NSGregorianCalendar];
unsigned unitFlags = NSYearCalendarUnit
An NSView's bounds can be set to a different size than its frame,
which results in a transform being applied to the graphics context as
the view is drawn. How is this supposed to affect subviews if the view
is layer backed?
If I set my view's bounds to have half the width of its frame, all
On Aug 19, 2009, at 4:28 PM, Gideon King wrote:
So do I need to override hash too? If so, are there any
recommendations as to how to determine the hash easily?
If you need to override -isEqual: to provide something besides pointer
comparison, you should also override -hash. If objects are
On Aug 19, 2009, at 4:28 PM, Gideon King wrote:
So do I need to override hash too? If so, are there any
recommendations as to how to determine the hash easily?
Sorry, just came across this thread that has some more tips:
On Aug 7, 2009, at 6:56 AM, bryscomat wrote:
... Now the dilemma comes when I want to get the drag and drop to
work in a specific way. I want the playlists to be able to be
dragged and placed in any order, but not above the separator. I have
achieved this using the delegate method
The following (simplified test case) code will crash with
NSZombieEnabled:
NSMapTable* testTable = [NSMapTable mapTableWithStrongToStrongObjects];
NSString* o = [@test_object mutableCopy];
NSString* k = @test_key;
[testTable setObject:o forKey:k];
[o release];
[testTable setObject:o forKey:k];
On Jun 17, 2009, at 6:44 PM, Kyle Sluder wrote:
On Wed, Jun 17, 2009 at 6:33 PM, Nathan Vander
Wiltnate-li...@calftrail.com wrote:
I could find no documentation to the effect that re-assigning an
object is
not allowed, so can I assume this is indeed unintentional? If so,
I've got
this
On May 19, 2009, at 9:37 AM, Jean-Daniel Dupas wrote:
Le 19 mai 09 à 18:24, Reza Farhad a écrit :
Hi all
we have an object that gets initialized like most other objects
-(id)init
{
self = [ super init ];
if ( self ){
...do something;
}
return
On Mar 2, 2009, at 8:48 PM, Jushin wrote:
I found that in order to convert NSString format of date to NSDate, we
need timezone.
But, EXIF doesn't support timezone unless GPS tags exist.
Yes, this is an unfortunate fact. Depending on what you need the date
for, you may need to let the user
them if they come across my original post.
-natevw
On Jan 16, 2009, at 2:02 PM, Nathan Vander Wilt wrote:
My application imports into an NSManagedObjectContext created on a
background thread. As the last stage of this import, I save the
background context to the persistent store. All my UI
My application imports into an NSManagedObjectContext created on a
background thread. As the last stage of this import, I save the
background context to the persistent store. All my UI code uses a
managed object context on the main thread, and expects to be notified
via
On Dec 22, 2008, at 4:53 AM, Keith Blount wrote:
Hi,
Apologies in advance for what I think must be a basic question. It's
something I've never had cause to do before, assumed must be fairly
straightforward, and then seemed a lot more complicated than it
should be which leads me to think
On Dec 22, 2008, at 4:42 AM, Gerriet M. Denkmann wrote:
When I use [GCC_WARN_UNUSED_PARAMETER, -Wunused-parameter]
I get (in Release build, not in Development) for every @synthesize
statement a warning:
warning: unused parameter '_value'
There is no value nor _value in the source to be
Thanks to some patient help from this list, I now have a working Core
Data model. One object in the model is basically a glorified vector
polygon — an array of point structures that contain a about a dozen
doubles each. I insert a lot of these polygon objects, and often need
to draw all of
On Dec 11, 2008, at 3:11 PM, Houdah - ML Pierre Bernard wrote:
Hi!
My application shows a list of files in a table view.
I have implemented drag and drop so that users may drag files from
the list. I could envision them dragging the files onto other
applications for viewing or dragging
Sorry if this ends up showing twice, but the original message has been
moderator-queued for length since early this morning. Being several
steps behind in even *asking* Core Data questions has been frustrating
me all day, as I try to press on in no less ignorance than yesterday.
On Dec 11,
On Dec 11, 2008, at 1:01 AM, Patrick Mau wrote:
Good morning
For the last day I have pulled my hair over NSKeyedArchiever and
friends to load and save small data objects.
I mainly use this feature for debugging, so the output format is set
to XML.
Normally, one would write an object 'p'
On Dec 11, 2008, at 5:34 PM, Martin Wierschin wrote:
[a encodeObject:p forKey:@root];
Does using:
[a encodeRootObject:p];
instead of the line above make it work as expected?
A good idea, but IIRC that did not work. In fact, I think it
produced an archive that silently failed to be read
I'm trying to port my model code to use Core Data. My model is
something like this:
I have a Company. It has two to-many relationships, currentEmployees
and previousEmployees which are naturally both to Employees.
Employees have a to-one relationship to the Company that is the
inverse of
On Dec 10, 2008, at 5:38 PM, vince wrote:
I can't seem to set a default icon for my supported docs in a Core
Data
project.
The .icns file is in my Bundle and placed in the Resources bin. I
manually
inserted the file name in the Target's Supported Document field.
I rebooted my system a few
On Dec 2, 2008, at 8:06 AM, Corbin Dunn wrote:
Le Dec 1, 2008 à 5:32 PM, Nathan Vander Wilt a écrit :
My Leopard-only application needs to be able to import any image
supported by CGImageSource, so I create an NSOpenPanel and pass the
array obtained from CGImageSourceCopyTypeIdentifiers
My Leopard-only application needs to be able to import any image
supported by CGImageSource, so I create an NSOpenPanel and pass the
array obtained from CGImageSourceCopyTypeIdentifiers() to
runModalForTypes. This makes the Media Photos sidebar to show up
automatically in the Open panel,
buried in the release notes?!?
bug on the documentation: rdar://problem/6332711.
thanks,
-natevw
On Oct 1, 2008, at 2:27 PM, Nathan Vander Wilt wrote:
I am initiating a promise drag by adding an array of strings to my
pasteboard using for the NSFilesPromisePboardType. The documentation
states
On Oct 1, 2008, at 3:09 PM, Jim Correia wrote:
On Oct 1, 2008, at 5:27 PM, Nathan Vander Wilt wrote:
I am initiating a promise drag by adding an array of strings to my
pasteboard using for the NSFilesPromisePboardType. The
documentation states that the types can be specified as filename
On Oct 4, 2008, at 8:31 PM, Jim Correia wrote:
On Oct 4, 2008, at 10:45 PM, Nathan Vander Wilt wrote:
HFS types seem to be well deprecated in nearly every other area,
the drag destination guides don't encourage checking the types anyway
Can you post a reference?
You generally should
I am initiating a promise drag by adding an array of strings to my
pasteboard using for the NSFilesPromisePboardType. The documentation
states that the types can be specified as filename extensions or as
HFS file types encoded [as strings]. Is there any reason to not build
an array of UTIs
I have a view that allows users to drag copies of the items it
contains. I'd like to add autoscrolling to the view, which will move
the drag's source item. However, I can find no way to change the drag
properties so that upon failure the image will slide back to where the
item *is* rather
On Aug 30, 2008, at 8:08 PM, Mr. Gecko wrote:
Hello I am making a program that does a really hard calculation and
it seems to crash after 60 Minutes. I don't really know why it does,
I am guessing it is because I am using a for loop that takes awhile
to run
If you can't find any leaks, it
According to two list postings (http://lists.apple.com/archives/cocoa-dev/2007/Nov/msg01760.html
, http://lists.apple.com/archives/cocoa-dev/2007/Nov/msg01764.html)
both by Apple employees, overlapping sibling subviews are fully
supported in Leopard (and presumably beyond).
However, the
On Aug 28, 2008, at 2:40 PM, Corbin Dunn wrote:
Please do log bugs requesting the documentation to be enhanced.
Overlapping views do work in Leopard+, with or without layers.
However, a sibling layered view will always be on top of a sibling
non-layered view.
I will do so, as well as a
On Aug 28, 2008, at 3:48 PM, I. Savant wrote:
On Aug 28, 2008, at 6:36 PM, Deborah Goldsmith wrote:
I should point out that you can only write English with a-z, so I
don't know if I'd consider the other characters weird. Not to
mention characters like ¥, ©, and so on.
Here's an
On Aug 21, 2008, at 6:56 AM, Tilman Bender wrote:
Hi there,
Is it possible to obtain the angle of rotation from a tranformation-
matrix created with CGAffineTransfrom?
If you haven't applied any other transforms to your CGAffineTransform,
you could determine the rotation (in radians)
On Aug 10, 2008, at 12:37 PM, Michael Kaye wrote:
I've ben running my app with leaks in Instruments and it is
reporting a fair number of leaks.
On analyzing these leaks, they all appear to be related to apple
frameworks methods/code and never as a direct result of any objects
I've
On Aug 6, 2008, at 2:08 PM, Vitaly Ovchinnikov wrote:
Yes, you right, but I expected what I need to move text to the zero
point, rotate it and move it back. But NSAffineTransform works quite
the contrary and requires to move the zero point to the text and then
back. That was a big surprise for
What about using CFDictionary ? You can create a dicitonary with a
callback that support address (NULL for example).
I'll echo this; it's a really handy technique that I use frequently
(you can even use integers as keys!).
WARNING: Just in case, there is a major warning here. You should
On Jul 29, 2008, at 8:58 AM, Nathan Vander Wilt wrote:
Right, -[NSDictionary setObject:forKey:] on a CFDictionary created
with a custom retain callback will invoke copyWithZone: before
calling your retain callback. Apple claims this is not a bug.
Getting/removing values with objectForKey
Jens –
I've been wanting to do similar key handling in my controller class
(rather than view classes), so I'm glad I'm not the only one not fully
grokking the responder chain. I got some helpful responses to my more
specific question, but without loss of generality. Especially:
On Jul 7, 2008, at 5:07 PM, Graham Cox wrote:
The view that is first responder needs to override -keyDown: and do
this:
[self interpretKeyEvents:[NSArray arrayWithObject:event]];
which hooks the event into the standard dispatcher for these methods.
(One thing that has long puzzled
I want to be able to delete the items selected in a view, but am
struggling finding a best way to turn the different key presses into a
-delete: action that my controller can handle. I think I want (it
seems expected functionality anyway) the delete key, the forward
delete key, as well as
The Cocoa Text Bindings system already translates keys and key
combinations into invocations of NSResponder methods. http://developer.apple.com/documentation/Cocoa/Conceptual/EventOverview/TextDefaultsBindings/chapter_9_section_1.html
So, what you need to do is determine which methods those
By overriding -keyDown: and not calling [super keyDown:keyEvent],
you have stopped your view from actually processing the keys any
further. That's why you aren't getting to either of the delete
methods.
Hmm, the flowchart I mentioned
So it seems I need to do more bookwork myself, but I'm wondering
which
direction others would recommend:
a) Set up a single tracking area for the whole view, and perform
all my own
hit testing every time the mouse moves.
b) Keep the per-item tracking areas, but perform my own testing in
On Jul 2, 2008, at 10:13 AM, Milen Dzhumerov wrote:
I've run into a something I find strange. I've got a property
declared as:
@property(readwrite, assign, nonatomic) CGImageRef image;
...
When I try to set it using KVC (e.g. [obj setValue:[NSValue
valueWithPointer:image]
Today I took some time again to test my app on more architectures than
just i386, and I'm encountering a strange problem on PowerPC with a
custom view that hosts Core Animation layers. While other built-in
views like NSButton are redrawing fine, none of my custom layer-
hosting view's
On Apr 28, 2008, at 5:35 AM, John Joyce wrote:
Graham,
Thanks for your reply! But how can I find the range of the word
given
the glyph index? I just can not find an API doing so.
[snip]
The range of the word is up to you to find and depends on the
language. If it is any common language
On Apr 14, 2008, at 6:12 AM, yang younker wrote:
/* com.apple.ibtool.document.notices */
/* com.apple.ibtool.document.warnings */
/Users/younker/Developer/Example1/English.lproj/MainMenu.xib:460:
warning:
Image scaling is not supported on Mac OS X versions prior to 10.5.
On Apr 13, 2008, at 7:15 AM, Carter R. Harrison wrote:
CGContextRef context = [[NSGraphicsContext currentContext]
graphicsPort];
CGContextDrawLayerInRect(context, CGRectMake([self frame].origin.x,
[self frame].origin.y, [self frame].size.width, [self
frame].size.height), cgback);
cgback
On Apr 9, 2008, at 8:32 AM, Jesse Grosjean wrote:
I've heard (or maybe imagined) that some image file formats will
already embed their own thumbnails. Is that a better way to do
things... what image formats support that if any?
This I do know a bit better. TIFF images can indeed store
On Apr 9, 2008, at 8:32 AM, Jesse Grosjean wrote:
1. If I don't care about on disk size is NSTIFFCompressionNone a
fast way to write? (assuming that compression would take more time).
Or maybe compression will actually save me time since the disk write
will be faster?
I am by no means a
On Apr 8, 2008, at 9:15 AM, douglas a. welton wrote:
Hi All,
Would someone provide me a pointer for how to get the mouse location
in the coordinate system of a transformed layer that is underneath
the mouse. I thought I could do something like this:
Mouse_Location = [Target_Layer
I want to pop up photographs inside their own Core Animation layers,
but I get huge real memory usage that never goes down.
I have an FRPhoto class whose instances manage other metadata for the
image, and also have a convenience method to get an NSImage* as follows:
- (NSImage*)image {
I implemented a dragging destination, and only get nil from [sender
draggedImage]. Why?
thanks,
-natevw
p.s. IMPORTANT NOTE! No one has lived to answer this question:
http://www.cocoabuilder.com/archive/message/cocoa/2004/8/19/114978
[sending to the list this time, I might maybe someday eventually get
used to the reply-to policy here.]
On Mar 20, 2008, at 3:00 PM, Sherm Pendley wrote:
On Thu, Mar 20, 2008 at 5:19 PM, Nathan Vander Wilt [EMAIL PROTECTED]
wrote:
I implemented a dragging destination, and only get nil from
better!
Maybe this would be a better way of asking:
What is the NSDraggingInfo protocol's -draggedImage method supposed to
return, and under what circumstances?
thanks,
-natevw
On Mar 20, 2008, at 6:15 PM, Nathan Vander Wilt wrote:
...
I subclassed an NSImageView to turn it into a dropbox
I'm trying to convert a date formatted as a valid
xsd:dateTime format, which is a subset of ISO 8601. I
though I had it when I saw that that -[NSDate
dateWithString:] takes an international string
representation format. But when I feed it a string
like @2007-07-01T01:33:01Z, I get back nil.
Does
Does -dateWithString: really not support the
international [standard!] string representation of
ISO 8601?? What's the right way to convert such an
xsd:dateTime to an NSDate?
+[NSDate dateWithString:] is, I think, configured to recognize one
particular date format, which depends on your system
I have a situation where I want to re-order
sublayers of a layer which
are positioned using CAConstraints.
Is this at all possible?
Not sure what you mean by re-order, whether z-order
or sibling order, or if you mean re-layout? Using
CAConstraints will help with the last option.
The
I am having trouble understanding how Core Animation
geometry interacts with NSView geometry in a
layer-hosting situation.
I have an NSView that hosts a root layer, and it has
two sublayers that I need the user to be able to drag
each around. I want to be able to convert a mouse
coordinate into a
--- Jens Alfke [EMAIL PROTECTED] escribió:
On 12 Mar '08, at 2:49 PM, Nathan Vander Wilt wrote:
I don't understand what this base coordinate
system
is (not the window's, otherwise the conversions
would
likely be offset by the view's position therein,
right?). But whatever
I provide an initWithFrame: for my NSView subclass,
and as it is a stand-in for a Custom View in IB the
method is called. It does initialize all my instance
variables as expected.
However, when I try to turn my view into a
layer-hosting view with:
CALayer* rootLayer = [CALayer layer];
If you don't have layer backing turned on in the nib
file the view
loading machinery turns off layer backing after
initWithFrame: is
called.
Ah, that explains it!
From my understanding (and the docs don't elaborate on
this much at all), I *don't* want to do that, since I
need to provide
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