Thanks for the various answers, here is a summary:
The explicit entitlement to read a file following an open/drag exists only
until the application quits (a fragile exception exists in using URLs stored
into the restorable state archive, but even that won't work long term). Thus
keeping
Questions:
* When the user opens/drags a file to me application, is the explicit
entitlement to read that file that I'm granted permanent? Will it remain
across launch/reboots?
* How do I deal with files that I already have a reference to if I enable
sandboxing in a future version?
* What
On 17/02/2010, at 15:53 , Graham Cox wrote:
On 17/02/2010, at 6:49 PM, Peter N Lewis wrote:
Is there any way to dynamically populate a popup menu on the fly (as it is
exposed)?
Look into the NSMenuDelegate protocol. It has methods to do what you want.
Yes, that looks like it will do what
Is there any way to dynamically populate a popup menu on the fly (as it is
exposed)?
For example, a popup menu that displayed the harddisk hierarchy would need this
sort of thing - you wouldn't want the entire thing populated as soon as you
click the popup menu, it would take forever and the
Is there any way to add support for the normal Cocoa Find functionality in a
WebKit view?
Failing that, is there any other way to get search functionality in a WebKit
view? I want to do some in-app documentation, and Apple's Help system is so
bad I've finally given up on that (floating
On 28/10/2009, at 14:00 , Graham Cox wrote:
On 28/10/2009, at 4:49 PM, Peter N Lewis wrote:
a) composite two images, preferably while keeping the different
resolutions of the icon
b) how to dim an image similarly to kTransformDisabled
I'm unclear what you mean by a), but certainly
On 27/10/2009, at 13:26 , Dalmazio Brisinda wrote:
I'm working with a Snow Leopard 64-bit app that contains a Finder-
like file browser that uses Carbon IconRef's. I'm trying to get the
icons for the selected file with a custom overlay based on the
current file selection and Icon Services.
On 13/07/2009, at 13:55 , Wade Tregaskis wrote:
I know you guys probably know this, but to be technically accurate,
there is no guarantee the return value of stringByAppendingString
returns an autoreleased string.
While your point is true, it's not actually a rebuttal - you can
assume
On 14/07/2009, at 7:34 , Jeff Laing wrote:
Thus, apparentl doing
NSString *s = someobject.somevar;
is essentially against the rules. You should always use
NSString *s = [[someobject.somevar {retain|copy}] autorelease];
No, this is unnecessary. You do not need to do this
On 13/07/2009, at 19:08 , Marc Liyanage wrote:
I am trying to resize a window with an animation using the
NSAnimatablePropertyContainer animator proxy mechanism. The views
have the Wants CA Layer option set in IB.
Its ridiculously painful isn't it?
One thing that may trip you up is auto
On 12/07/2009, at 23:23 , Ben Cox wrote:
NSString +stringByAppendingString:(NSString*) returns an autoreleased
string. If you release it explicitly, your application will crash.
On 13/07/2009, at 0:02 , Bill Bumgarner wrote:
After the second assignment, htmlString is no longer a literal
On 25/06/2009, at 8:47 , Chunk 1978 wrote:
i have a simple black NSView that is positioned the top index level of
the main view, covering all other visual elements in IB. it's purpose
is to fade out, so the view appears to fade in. i have to often move
it out of the way, and i also set it to
On 26/06/2009, at 2:04 , Ramakrishna Vavilala wrote:
I just finished converting (rewriting) a windows application to work
on Mac OSX. I made a package for my application. Now I want to test it
on a clean machine. In Windows I would normally create a clean Virtual
Machine and install the
On 23/06/2009, at 12:31 , WT wrote:
So, after I scratched my head silly for several minutes, it suddenly
came to me. If I'm going to use a property, I *must* refer to it as
object.property rather than simply as property. In the specific
example I had, I should not have replaced all those
On 22/06/2009, at 22:58 , Phil Hystad wrote:
If you were writing a new Cocoa application from scratch, would
garbage collection be the preferred method over the reference
counting (retain/release) method. Having spent years in Java I
would prefer a GC'd approach but I have also seen the
On 17/06/2009, at 9:22 , Dave DeLong wrote:
I have this mostly working, but it's not a satisfactory solution.
My problem is with posting the CGEvents for a command-v operation.
I've found that if I do everything inline (snapshot, replace, paste,
restore snapshot), then the restore
On 13/06/2009, at 16:51 , Michael Ash wrote:
You can't. If you want to receive keyboard events then you must have
focus. If you don't want to have focus, then you can't receive
keyboard events. Pick one or the other, because you can't have both.
Well, technically you could use an event tap or
On 11/06/2009, at 18:41 , Jo Meder wrote:
It would be great to be able to do this for NSViews but I haven't
been able to find any equivalent. Are there any ingenious ways that
you might be aware of so I could bolt this on to NSView?
I have yet to find a good solution to this.
It would be
On 28/04/2009, at 11:02 , Dave DeLong wrote:
Is there a way to get the second frontmost app? For example, right
now Mail.app is the frontmost, then Safari, because Safari was the
active app before I switched to Mail. Is there any sort of API to
that tells me that if I were to cmd-tab,
On 27/04/2009, at 12:16 , Naresh Kongara wrote:
in the view drawing code i didn't changed any thing.
After preparing the view from which i need to get the images, i just
replaced the line
NSImage *img = [[[NSImage alloc] initWithData:[view
dataWithPDFInsideRect:sourceRect]] autorelease];
On 25/04/2009, at 8:28 , Miles wrote:
I just mean that I'm adding some labels and images to the view. I have
quadruple checked that they are all being released, but I must be
overlooking something.
I doubt its your issue, but I recently had a problem like this that
took me far too long to
On 23/04/2009, at 14:11 , Naresh Kongara wrote:
I have a NSView which i want to divide into to required sub views.
I implemented it using NSView's dataWithPDFInsideRect:
(NSRect )aRect, i.e constructed a image view with the data i got .
This process is taking long time if the view is
On 24/04/2009, at 9:56 , Wade Tregaskis wrote:
Something I've been using as of late to make CF a little more
bearable is the cleanup attribute offered by gcc, e.g.:
static inline void _autoreleaseCFArray(CFArrayRef *array) {
if (NULL != *array) {
CFRelease(*array);
On 01/02/2009, at 5:40 , jurin...@eecs.utk.edu wrote:
Previous post indicates that NSOperationQueue only seems to work
with ONE
queue.
It is worse than that, it can crash even with a single queue - the
only believed safe case is to a single core processor (ie, the
iPhone). Otherwise you
On 31/03/2009, at 3:32 , Jeff Johnson wrote:
Here's the sample code:
http://lapcatsoftware.com/downloads/ConnectionStartCrash.m
It crashes when calling this:
_connection = [[NSURLConnection alloc] initWithRequest:request
delegate:self startImmediately:NO];
[_connection start];
Google for
At 12:57 -0400 25/3/09, I. Savant wrote:
You can certainly have more than one class declared and implemented
in the same .h/.m files. You can also have multiple controllers within
the same XIB. Wherever your classes are declared/implemented, they
show up as available in Interface Builder as
At 20:33 +0200 15/3/09, Oleg Krupnov wrote:
I need to use a dictionary inside a long, time-consuming operation.
The keys of the dictionary are integers, the values are NSObjects.
I could use NSDictionary, but I don't like the overhead of creating
NSNumbers for the keys and then comparing them,
At 21:06 +0100 1/3/09, Martijn van Exel wrote:
I can't seem to get away with
if(timer!=nil [timer isValid]) [timer invalidate];
Aside from whatever is actually causing your problems (which is
nothing to do with the short circuited and in this line, these three
lines are all
At 15:03 -0800 25/2/09, Erg Consultant wrote:
Are there any classes in Cocoa for simple text file or plist file
encryption? I just need something I can point at a file on disk and
do simple encryption without a password or key and then decode it
later. Doesn't have to be fancy or even all that
At 15:43 -0600 27/2/09, James Cicenia wrote:
Here is my code:
- (void)monthFruitAction:(id)sender{
MonthPickerViewController *mpvc = [[MonthPickerViewController
alloc]initWithNibName:@MonthPicker bundle:nil];
[mpvc setMyParentController:self];
mpvc.view.frame
At 6:50 -0600 26/2/09, James Cicenia wrote:
In .h :
NSMutableArray *currentStates;
@property (nonatomic, copy) NSMutableArray *currentStates;
Now in my appdelegate I have:
@synthesize currentStates;
then in a method:
while (sqlite3_step(statement) == SQLITE_ROW) {
char *str =
At 8:04 -0800 26/2/09, mmalc Crawford wrote:
On Feb 26, 2009, at 6:10 AM, Peter N Lewis wrote:
The next issue (and this is almost certainly where your problem is)
is that your @property is set to copy, so:
[self.currentStates addObject:@hello];
is equivalent:
[[self currentStates] addObject
,
Peter.
Thanks
James
On Feb 26, 2009, at 8:10 AM, Peter N Lewis wrote:
At 6:50 -0600 26/2/09, James Cicenia wrote:
In .h :
NSMutableArray *currentStates;
@property (nonatomic, copy) NSMutableArray *currentStates;
Now in my appdelegate I have:
@synthesize currentStates;
then in a method
At 11:44 -0500 25/2/09, Michael Ash wrote:
On Wed, Feb 25, 2009 at 12:00 AM, Peter N Lewis
pe...@stairways.com.au wrote:
The Application Kit creates an autorelease pool on the main thread at the
beginning of every cycle of the event loop, and drains it at the end,
thereby releasing any
At 18:36 -0600 23/2/09, Ashley Perrien wrote:
This is relatively easy if I know how many arrays I'm working with
(3 in this case) to simply nest the for loops but if I don't know
how many arrays the primary array has, I can't think of a way to
nest the loops if I don't know how deeply to nest
I know what autorelease pools are and how they work so my question
isn't about that.
In my iPhone app I create a NSTimer to run at 60fps, in it I update
a bunch of stuff and draw opengl.
Currently I have:
-(void) timerLoop {
// create autorelease pool in case anything needs it
At 0:29 +0100 6/2/09, Tommy Nordgren wrote:
Do anyone know of a set container class for Cocoa objects, that use
pointer semantics.
You could always just use the C++ std::setNSMutableString*
http://www.cppreference.com/wiki/stl/set/start
Not Cocoa, as such, but has the semantics you desire.
At 2:08 +0100 3/2/09, James Trankelson wrote:
For the majority of my OS X programming life, I've been using
Objective C exclusively. However, I now have a reason to want to use
some C++ standard template libraries, and have started looking into
Objective C++. I've found the documentation on
At 0:21 -0500 31/1/09, Michael Ash wrote:
And even there, a continuous
sequence of 0-delay performs should not lock the user out of your
program. Seems to me that most non-user events should be interleaved
in with user events based on when they occur, or at the very least
given equal time. It's
At 16:27 -0500 1/2/09, Michael Ash wrote:
It crashes reliably on my Mac Pro. Note that it uses only one queue.
Note that it only enqueues operations from the main thread. Note that
it uses a very simple custom NSOperation subclass, and doesn't use
NSInvocationOperation at all. Note that it does
At 17:38 +0200 28/1/09, Oleg Krupnov wrote:
I want to produce the effect of a text string fading out when it's too
long to be displayed in a rect. This kind of effect is used in many
apps.
One option is to draw the end of the string character by character
with varying alphas.
Ie, instead of
At 17:54 + 8/1/09, Matt Keyes wrote:
I am working on an iPhone app that communicates with a .NET SOAP web
service. I have the SOAP client down, but now I need to think about
the security. The .NET web service ultimately will be validating
the Windows login as part of the communication
At 18:50 -0600 3/1/09, Joe Turner wrote:
I am making a hard drive cloner/backuper, and to do some deleting
and copying, I need to use the security framework. What I need to be
able to do is have the user type in their password one time, and
then it would give me system.privilege.admin rights
But the error when compiling is parse error before token.
Is passing by reference not allowed or is there any other syntax
that I should follow?
References are a C++ feature.
Objective C++ works just fine, but you need to compile as Objective
C++ by using an extension of .mm.
Since this
At 20:03 -0200 5/12/08, Ariel Rodriguez wrote:
My question is simple, at least that is what i think :)
I need to extract something like this: 01816560 from something like
this: http://www..com/diario/2008/12/05/um/m-01816560.htm My
first idea was to use - (NSArray
How to draw rounded images (like application icons) for iPhone.
The normal way is to create a rounded NSBezierPath, set the clipping,
and then do your drawing.
I believe rounded rect NSBezierPath was added in 10.5. I use the
following category code for 10.4.
NSBezierPath*
At 4:55 + 30/11/08, BirdSong wrote:
I am writting the mac component of a mac-iphone application. I saw
most of the applications(Finder, MSN, iChat...) on Mac are all using
the same style preferences toolbar. However, I didn't find it in
IB's Libirary.
Could anyone tell me what's it or
At 9:00 -0800 26/11/08, David Phillip Oster wrote:
However, if instead of using 10 NSOperationQueues, you use a single
global NSOperationQueue, the program stops crashing and becomes
reliable.
If you want serialization, then use -[NSOperation addDependency:]
that is what addDependency: is
[Reposted by request on this thread for the archives]
At 13:40 -0400 30/10/08, Michael Ash wrote:
I hate to blame an OS bug but I see no other explanation, so here we go.
I have a program which uses NSOperationQueue heavily. It uses lots of
different queues each of which has a max concurrent
At 13:38 -0500 24/11/08, Michael Ash wrote:
No, it's not a general consensus. It's something I discovered on my
own, and posted about it here. I haven't received any overall
confirmation that it's broken, but my simple test project was able to
reliably crash on perhaps half a dozen different
At 19:33 +0100 18/11/08, Marc Stibane wrote:
what's the reason for defining a local variable aViewController to
receive the UIViewController pointer, then copying that to the
instance variable with a setter method which increases the retain
count, then decrease the retain count again - instead
I apologize, this is plain old C, not Cocoa-specific question, but the
fastest way to get the answer.
I want to create a function that finds the minimum out of a
variable-length list of simple float arguments. In other words, I want
this function:
float min(float x, ...);
Can anyone suggest
I want to use some kind of URL text in a dialog, which the users can
click on and which should then open the browser with a specific URL.
Here is an example of how it should look like:
http://man.icalamus.net/fr/img/menu/about_unregistered.gif
I used an NSTextField with blue text and connected
- (void) loadVew
{
contentView = [[UIImageView alloc] initWithFrame];
...
self.view = contentView;
[contentView release];
...
}
As Luke said, you need to read the Objective C 2.0 language section
on properties.
First off, you should understand
AI am a newbie to the cocoa world (PC - Mac switcher). I have a
fair amount of experience coding in C and C++ and I am just getting
into Obj C now. Right now I am trying to learn the language idioms
and patterns in the Obj C world, specifically, when do you find
yourself mixing C++ code with
I need a make a few icons and other graphics for my app, simple
stuff like a small yellow triangle with an invisible background. I'm
totally and completely graphically challenged which never helps. I
can't find a simple (preferably free!) drawing program which will
let me make stuff like this.
At 14:22 +0100 11/9/08, dreamcat7 wrote:
On 11 Sep 2008, at 13:08, Jean-Daniel Dupas wrote:
And it probably does it better as it will not waste 7 bits for each option.
No, in a CFBitVector there is 4-bytes for each bit.
CFBit
A binary value of either 0 or 1.
typedef UInt32 CFBit;
The
At 20:31 -0700 8/9/08, Chris Markle wrote:
In the application folder I am referring to is
the application bundle, some PDFs (doc) and a Plugins folder with one
plugin bundle in it. I think the application expects the plugins to be
in this specific place i.e., the Plugins folder in the
At 20:15 -0600 5/9/08, Dave DeLong wrote:
How on earth can I post system keyboard events (without getting a beep)?
As Ken mentioned, first off make sure the key has somewhere to go.
After that, this is roughly the code I use in Keyboard Maestro
(extracted bits and pieces, so it wont compile
Clearly, there is a lot more going on in the code in this question
than in typical Cocoa code.
That said, if you want to avoid bugs, it would seem that the
following is good advice:
* Always use autorelease.
* Use an Auto Release Pool if necessary (in loops, or with large
memory
At 4:48 PM -0400 11/8/08, Kyle Sluder wrote:
On Mon, Aug 11, 2008 at 3:12 PM, Sean DeNigris [EMAIL PROTECTED] wrote:
Hi, how do I handle memory management for todoUid below? Do I have to
retain or autorelease it?
[...snip...]
// Get uid to return
NSString* todoUid =
At 8:24 AM -0700 7/8/08, Chris Hanson wrote:
If you build with the Mac OS X 10.5 SDK, you should be able to use
NSMakeCollectable since it's declared as an inline function.
The earliest release of Mac OS X you're targeting is a function of
the Mac OS X Deployment Target build setting, not the
Given a CGImageRef, how can I autorelease it?
Perhaps this is obvious, or perhaps its impossible, but googling
hasn't found me the answer yet except for a tantalizing comment in
the docs for NSBitmapImageRep:
- (CGImageRef)CGImage (added in 10.5)
Returns an autoreleased CGImage object (an
At 11:02 PM +0200 29/7/08, Torsten Curdt wrote:
Especially for a framework I don't want to expose implementation
details to the interface.
Others have pointed out that you cannot add ivars in the implementation.
However, if you can control the creation of your objects via a
factory function
64 matches
Mail list logo
