Hi All,
Recently, I was writing a command-line tool and I didn't feel like dropping
down to printf() for console output, so I wrote this category.
Drop this in your project…
@interface NSString (console)
- (void) writeToFileHandle:(NSFileHandle *) handle;
- (void) writeToStdOut;
-
On Aug 26, 2011, at 7:55 PM, Jerry Krinock wrote:
I'm just surprised that, of 733 Sample Code projects available in the Mac Dev
Center, none of them use either of these much-touted but quite complicated
new features.
Sample code projects get updated in DTS engineers' spare time, for the
Several years ago, I wrote this sample code project:
http://developer.apple.com/samplecode/Transformed_Image/index.html
It demonstrates the use of NSAffineTransform to rotate, scale, and shear images.
-jcr
On Apr 29, 2011, at 7:48 AM, Amy Heavey wrote:
Hi,
I'm trying to generate a new
On Apr 7, 2011, at 11:34 PM, manoj wrote:
I am working on Mac application using Qt Cocoa.
Please help me to figure out what is the difference between two.
You'll have to ask Nokia.
-jcr
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NSMenuItem's -setView: method should do what you need.
-jcr
On Dec 24, 2010, at 11:49 AM, Joshua Garnham wrote:
How can I display an editable NSTextField inside an NSMenuItem? I'm looking
to
do something similar to Spotlight.
Would it work by simply usingsetView: on the menu item?
You don't need to launch a separate task for this. Just use Pierre-
Olivier LaTour's NSData category:
http://code.google.com/p/polkit/
• NSData+GZip adds gzip compression / decompression methods to NSData
-jcr
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On Dec 12, 2010, at 7:34 AM, Matt Neuburg wrote:
I feel like I'm missing something. I can't seem to typecast as
CFRange to an NSRange. I know I can pull a CFRange apart and
reassemble it as an NSRange, but shouldn't there be a simpler way? m.
CFRange is defined as a pair of unsigned
On Sep 14, 2010, at 7:34 AM, Jonathan Guy wrote:
Hi all
Having an issue with GC. I compile an app 32 64-bit intel only
with GC supported (not required). The app has a webview which loads
a flash animation (hence requiring the flash plugin).
Does it have to be a flash animation? Could
On Sep 14, 2010, at 7:36 PM, k...@highrolls.net wrote:
what do i need to implement so I can drag item within an NSOutline View?
http://developer.apple.com/library/mac/#samplecode/DragNDropOutlineView/Introduction/Intro.html
-jcr
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On Sep 14, 2010, at 7:36 PM, k...@highrolls.net wrote:
what do i need to implement so I can drag item within an NSOutline View?
http://developer.apple.com/library/mac/#samplecode/DragNDropOutlineView/Introduction/Intro.html
-jcr
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This was covered in a couple of WWDC talks. Look for the sessions on debugging.
-jcr
On Sep 9, 2010, at 12:23 PM, Sean McBride wrote:
On Fri, 3 Sep 2010 19:52:54 -0700, Jerry Krinock said:
http://developer.apple.com/mac/library/technotes/tn2004/tn2124.html
Architecture Considerations
Views have no storage for previous frame or bounds rectangles. If you want to
remember them, you'll need to save them yourself.
-jcr
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On Sep 2, 2010, at 3:17 PM, David Duncan wrote:
On Sep 2, 2010, at 11:29 AM, vincent habchi wrote:
You mean I shall use your dispatch_async invocation instead of calling
[layer setNeedsDisplay]?
Calling -setNeedsDisplay arranges for -display to later be called on the
current runloop.
On Sep 1, 2010, at 8:15 PM, Eric E. Dolecki wrote:
Top left, the traffic lights have been turned to the vertical. Is this
something new or was this easy to do before? Is it just a custom
implementation, or?
If you miniaturized the iTunes 9 window, the window controls are vertical. Not
sure
On Aug 25, 2010, at 12:30 PM, Richard Somers wrote:
On Aug 25, 2010, at 1:30 AM, Quincey Morris wrote:
@implementation MyCustomDocumentView
- (void)windowDidBecomeKeyNotification:(NSNotification *)notification
{
if ([notification object] == [self window]) {
NSPoint point = [[self
On Aug 23, 2010, at 9:41 PM, Richard Somers wrote:
If a new document is opened and the cursor happens to already be over the
view, the cursor is not updated until it is moved out of the view and then
back in. How can I fix this? None of the NSTrackingArea options address this
issue.
You
-stringByReplacingCharactersInString: creates and returns a new string, which
is autoreleased. You're getting the bus errors when something tries to access
that string after it's been released.
-jcr
On Aug 17, 2010, at 2:03 PM, James Miller wrote:
Hello.
I'm a little new to Objective-C
That looks like what happens when you turn on show tracking rectangles in
Quartz Debug. It could also be the effect of turning on NSShowAllDrawing in
your app's defaults.
-jcr
On Aug 16, 2010, at 2:07 PM, k...@highrolls.net wrote:
Hello fritz -
I will reply to the list. I did paste the
On Aug 11, 2010, at 6:24 PM, k...@highrolls.net wrote:
Can an iPhone app get input from the camera?
Yes.
-jcr
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So, I've got this app that connects to RTSP streams, and I'd rather
not nag the user every time it's launched with that Do you wan the
application to accept incoming network connections? dialog box.
Anyway to have the user authorize it once and have that authorization
stick, or is this a
I'd like to add an item to the menu that comes up when you right-click
on a QTMovieView. I want to copy the URL of the movie it's showing
into the pasteboard. I'm not finding any obvious API to get hold of
that menu. Any suggestions?
Thanks,
-jcr
On Jan 2, 2010, at 10:44 AM, PCWiz wrote:
The only reason I dont want to completely draw the whole window is
that resizing is not easily implemented with a custom window.
Sure it is. This is how I did it in the Core Data Stickies example:
#import StickyResizeCornerView.h
@implementation
There's a far easier way to do it than that, which is to use
compositing instead of clipping.
On Dec 17, 2009, at 9:49 PM, Gordon Apple wrote:
If you capture the entire laid-out text string as a single Bezier
path,
then you can fill it with whatever you want -- gradient, image,
burning
Ladies and Gentlemen,
Looks like I'm about to go to Florida for a month, and the client
wants me to help them find someone to join them on a permanent basis.
The work is an in-house app for managing their service vendors and
streamlining their billing processes.
If you've got a solid
On Sep 23, 2009, at 7:54 PM, Scott Anguish wrote:
And a reminder, all job offers to be posted must be sent to the
admin address for approval first.
Sorry about that, Scott. I didn't require pre-approval for job
postings back when I moderated cocoa-dev, and I didn't realize that
you
Looks like NSFontColorAttribute is deprecated after 10.4. Try
NSForegroundColorAttributeName instead.
-jcr
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On Sep 13, 2009, at 10:55 PM, Steve Cronin wrote:
I have convinced myself that the only way to get Snow Leopard to
recognize the newer version of the service is to log out and back in.
This is tedious. Is there something I'm missing?
As I recall, each app builds its services menu when it
I'd completely forgotten about that presentation. Thanks for the link
to the slides. I'll have to dig up my 2003 WWDC disks and watch it.
-jcr
“The two most important tools an architect has are the eraser in the
drawing room and the sledge hammer on the construction site. ”
-Frank Lloyd
On Aug 4, 2009, at 12:45 PM, Dragos Ionel wrote:
Hi,
Is there a simple way to split an image? For example, divide it in
to 2x2 =
4 pieces.
Is UIImage the way to go?
If you want to slice and dice an image like that, you probably want to
use CGImage instead. See
On Aug 4, 2009, at 5:43 AM, James Lin wrote:
Hi all,
Does anyone know the limitation of the iPhone simulator when it
comes to networking?
Is it crippled on the simulator?
I've tried two seperate ways of opening up a server socket.
1. is by opening up a CFSocket
2. is by a socket wrapper
I wrote a sample project to find the difference image between to given
images several years ago. You can find that code here:
http://developer.apple.com/samplecode/Image_Difference/index.html
These days, I'd do this kind thing in a Quartz Composer view.
-jcr
On Jul 22, 2009, at 10:05 PM, Randall Meadows wrote:
newBounds.origin.x -= delta/2.0;
newBounds.size.width += delta;
newBounds.origin.y -= delta/2.0;
newBounds.size.height += delta;
BTW, you might want to look up the NSInsetRect() function.
-jcr
On Jul 22, 2009, at 2:19 AM, Mahaboob wrote:
Is it possible to develop an application for recording phone calls?
Possible? Maybe. Supported? No.
-jcr
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On Jul 21, 2009, at 11:35 AM, Lynn Barton wrote:
My window has an NSImageView object within an NSScrollView. After
setting the image and the image frame, I want to detect and respond
to mouseDown on the image. The image appears in the view, but I
found nothing responding to the mouseDown.
On Jul 20, 2009, at 7:25 PM, Courtney Arnold wrote:
I want to be able to manually parse an image of a UPC barcode.
That's not parsing, that's image recognition. There's a rather
extensive academic literature on the subject.
-jcr
___
On Jul 19, 2009, at 12:39 AM, Oleg Krupnov wrote:
I want to display one view on top on the other view, so according to
the documentation, I nest the topmost view inside the background view.
It works just fine except that the mouse move messages are sent to
both the subview and the superview,
On Jul 19, 2009, at 5:33 AM, Nicolas Seriot wrote:
There is also another iPhone runtime browser:
http://code.google.com/p/runtimebrowser/
Here is what it dumps on iPhone OS 3.0:
http://seriot.ch/resources/dynamic_iPhone_headers/3_0/
Looks like they got rather more elaborate about it than
For anyone who hasn't done it themselves already, I just wrote up a
little Cocoa touch app that shows you all the classes in the objective-
C runtime. No point in submitting it to the app store, but if anyone
would like a copy, drop me a note and I'll mail it to you. It's a
36KB .zip
Oop, forgot to add: send requests to me, not the list.
-jcr
“The two most important tools an architect has are the eraser in the
drawing room and the sledge hammer on the construction site. ”
-Frank Lloyd Wright
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Couple of notes: I built it for the 3.1 SDK, and I didn't try it on
anything earlier. One friend of mine told me that to make it work on
the 3.0 SDK, he had to change line 31 of ClassesViewController.m from:
[self.tableView reloadData];
to
[super.tableView reloadData];
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 Jul 3, 2009, at 9:29 PM, Agha Khan wrote:
NSNumber* aNumber = [Aobject _Edge] numberWithInt:j;
// looks like my syntax is wrong. Does not compile
Objective-C isn't smalltalk. All message expressions have to be
enclosed in square brackets:
NSNumber* aNumber =
On Jul 2, 2009, at 10:52 AM, Bill Cheeseman wrote:
Apple will probably say I should move on to Cocoa Bindings and get
over it.
I certainly would.
-jcr
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On Jul 1, 2009, at 12:21 AM, Debajit Adhikary wrote:
I have an area of a Window (in my MainMenu.xib) which I'd like to
populate
dynamically with unrelated views such as an NSTable,
IKImageBrowserView
etc. at different points of time depending on some user-selected
criteria.
- How do I
On Jun 30, 2009, at 7:03 AM, Mr. Gecko wrote:
Is there anyway to get raw Infrared data from the Apple IR Controller?
AFAIK, there's no published API for that, but could take a look
through the classes in the Kernel Framework documentation and see if
I'm mistaken. If not, you should
On Jun 21, 2009, at 5:17 PM, Kok-Yong Tan wrote:
There's a potential client there I'd like to refer to you. Please
reply to me off-list.
Don't know about Estonia, but the guys at Software MacKiev would
probably know.
-jcr
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On a general note, if you want something to happen later than -
awakeFromNib, you can always send -
performSelector:withObject:afterDelay:cancelPrevious:. If you pass a
delay of zero, it will happen the next time through the event loop.
I've used this many times to deal with situations
Jason,
I just tried dropping your code into a new Foundation Tool project,
and it looks like your problem happens when your subclass of
NSOutputStream sends [super initToFileAtPath:append:].
Check the subclassing notes on NSOutputStream. It looks like it's a
class cluster, and
On Mar 9, 2009, at 2:32 PM, Stefan Wolfrum wrote:
Hi,
I have a little app that needs a username password to log into
some web service.
These user credentials should be stored permanently so that the user
doesn't have to enter them after each start of the application again.
What's the
On Mar 5, 2009, at 1:43 PM, Norio wrote:
Hi,
Would you give me any suggestions to get the mouseUp event for
NSSlider?
I've tried to make subclass of NSSlider and override mouseUp: and
then put a breakpoint,
but the debugger didn't stop at the breakpoint.
What's tripping you up there
On Mar 5, 2009, at 12:00 PM, Eric Gorr wrote:
On Mar 5, 2009, at 2:47 PM, Benjamin Stiglitz wrote:
I have a need to use poseAsClass, but I see that it has been
deprecated
in 10.5 and won't be available for 64-bit applications.
So, is there a replacement?
WAYTTD: What are you trying to
On Mar 5, 2009, at 5:55 AM, Erik Buck wrote:
As an author, I humbly recommend http://my.safaribooksonline.com/9780321591210
. Check out the table of contents.
I'll second Eric's recommendation. Also, there's a pretty good
conceptual intro to MVC in the Cocoa docs. See
On Mar 5, 2009, at 9:29 PM, Adam Gerson wrote:
I have a view that looks just fine in interface builder. When I
display it in a window in my app it cuts off the bottom part of the
content. Visual:
http://screencast.com/t/YEXgqlAcP
What could cause this?
Looks to me like you've probably got
On Feb 25, 2009, at 4:28 PM, Scott Hamilton wrote:
Am I missing something?
From your description, you're sending -setNeedsDispay to the the
clipview, not to the subviews within the clipview.
-jcr
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On Feb 24, 2009, at 8:04 PM, Ken Case wrote:
You'll find it at http://www.omnigroup.com/developer/
omniobjectmeter/.
Thanks, Ken!
We also recently posted updated versions of our open source Omni
frameworks to github, including OmniDataObjects (our CoreData-like
implementation which
On Feb 17, 2009, at 10:40 AM, Gordon Apple wrote:
OK, I've said it. WHAT is a CALayer? I'm using a lot of them and
appreciate what they can do, but still don't understand them.
It's an object that manages an OpenGL surface, its location in 3D
space and its place in a hierarchy of
On Feb 12, 2009, at 9:42 AM, Anthony Smith wrote:
What is the best way to set the max zoom size for NSWindow? I was
able to implement a solution by overriding zoom but that feels
rather invasive so I'm assuming there's probably a better way.
Check the docs for -windowWillResize:toSize:.
On Feb 10, 2009, at 11:32 PM, Valentin Dan wrote:
Hi,
What tools are there to analyze memory leaks in programs ? Is there
something that would tell the exact location of the leak (the object
that's not being released) ?
Try /Developer/Applications/Instruments. It has a template
On Feb 12, 2009, at 10:45 PM, Chunk 1978 wrote:
if ([defaults objectForKey:@OriginalBackground] == pathy)
..
but they are the same! aren't they?!
Nope. You're comparing two addresses, not the contents of the objects
at those addresses.
Try:
if ([[defaults
On Jan 25, 2009, at 11:06 AM, Ashley Perrien wrote:
Is there a way to get the color of a pixel or area of an NSView
during the drawRect method?
Sure. Have a look at this:
http://developer.apple.com/samplecode/Color_Sampler/index.html
NSReadPixel() will tell you the color of the pixel
On Dec 14, 2008, at 8:53 PM, Gerriet M. Denkmann wrote:
Finder.app can show in its Sidebar an image of a computer.
I want to create a button with this same (or similar) image.
I can use [ sharedWorkspace iconForFile: fullPath ] to get an image
of a home folder, or of a disk partition.
But
On Sep 27, 2008, at 8:10 PM, Joe Keenan wrote:
On Sep 27, 2008, at 4:25 PM, Chris Hanson wrote:
On Sep 26, 2008, at 3:37 PM, Joe Keenan wrote:
Right now, the app controller object sends a message to the
device controller, requesting the value of a specified variable.
The device
On Sep 27, 2008, at 7:38 PM, Dave DeLong wrote:
My question is, do I need to override the +(Class) class method for
each InputElement subclass, and if so how do I make a Class object?
The only situations I can think of where you might want to do that is
if you're writing some kind of a
On Sep 17, 2008, at 12:03 PM, Memo Akten wrote:
Hi All, I'd like to create a little app the runs a quicktime movie
(prores) fullscreen across multiple monitors. I think I can figure
out the QTKit stuff, but couldn't find upto date documentation on
going fullscreen. I've found some code
On Aug 23, 2008, at 2:51 PM, Shawn Erickson wrote:
On Fri, Aug 22, 2008 at 2:54 AM, Eduardo Areitio [EMAIL PROTECTED] wrote:
I'm trying to read individual pixel values in a monochrome image
using
NSReadPixel, but I haven't been able to.
I would much appreciate anyone's help
It is
On Aug 21, 2008, at 7:59 PM, Thomas Engelmeier wrote:
Am 22.08.2008 um 00:59 schrieb Dave MacLachlan:
Also, are the _ in front of member variables for Apple only (so we
don't stomp on each other with member var names) or are they using
them for the readability reason mentioned above?
On Aug 20, 2008, at 4:15 PM, Torsten Curdt wrote:
There was a common perception that NULL is not really the same as
nil. But seems like in the end it really is (void*)0.
They differ in type, not in value.
NULL is (void *) 0.
nil is (id) 0.
Nil is (Class) 0.
Personally, I prefer if
On Aug 20, 2008, at 8:09 AM, Gordon Apple wrote:
I just had a revelation I though I would share -- thanks to some
sample
code David Duncan sent me. When IB makes a connection, it calls the
outlet's accessor, if one is available. That fact can be used to
initialize
related items in
On Aug 20, 2008, at 5:04 PM, j o a r wrote:
On Aug 20, 2008, at 4:56 PM, John C. Randolph wrote:
Personally, I prefer if (!foo) over if (foo == nil), because
the latter has the hazard of a typo that compiles. You can lose a
fair bit of time staring at if (foo = nil) before you spot
On Jul 2, 2008, at 11:21 AM, Wesley Smith wrote:
I did that. my window and content view both have those methods
defined. I've tried setting both of them to owner to no avail :(
From QA #1355:
Technical QA QA1355
Why aren't my tracking rects working?
Q: I'm trying to implement tracking
Michael,
By implementing -drawRect: in your view class, you become responsible
for all drawing in that view. The code below doesn't attempt to draw
the text, it only sets a value.
To draw text in the current drawing context, see the -
drawAtPoint:withAttributes: method of NSString for
On Jun 21, 2008, at 12:44 AM, Godfrey van der Linden wrote:
Ok I gave up. No response was expected and I received what I
expected.
Godfrey,
Being a former Apple engineer, you should know as well as any of us
that nobody is assigned to glean bug reports from the mailing lists.
Until
On Jun 21, 2008, at 3:33 AM, René v Amerongen wrote:
Dear All,
Does someone has any experience about having a local data store
which is syncing wit the server store using Coredata?
Rene,
This is not what CoreData is intended to do. CoreData is for local
storage of object maps, and
I didn't say not to use Ruby if you want. What I took exception to is
your statement that you don't have to fully learn Objective-C's
syntax at the same time as Cocoa. Use whatever language you like,
but if you're going to use Cocoa, you'd *better* learn Objective-C.
-jcr
On Jun 7, 2008, at 7:38 AM, Jose Raul Capablanca wrote:
I never understood why Apple stopped supporting the Java bridge to
Cocoa.
Two reasons: First, not enough people were using it to make it cost-
effective to maintain, and second, it was sucking up a lot of
development time when new
On Jun 6, 2008, at 2:10 AM, Allison Newman wrote:
you don't have to fully learn Objective C's syntax at the same time
as Cocoa.
Ok, all kinds of alarm bells just went off. Obj-C is a very small
delta from C, and if you avoid learning it, you will regret it.
-jcr
On May 28, 2008, at 2:19 PM, Scott Anguish wrote:
I really can't stress how bad an idea using private API is.
Speaking as a former DTS engineer, I will second Scott's statement
above.
-jcr
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I got caught procrastinating, too. Anyone who can't make it to the
show and wants to sell their ticket, I'm interested.
-jcr
John C. Randolph,
VP, Engineering
Stealth Imaging, Inc. [EMAIL PROTECTED]
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On May 3, 2008, at 4:35 PM, Bruce Sherwood wrote:
We very much want a native-mode version of Visual.
If you want a native app, then don't fight the framework. Rolling
your own event system, and doing away with nib files is not a project
for someone new to the platform, and once you have
On Apr 25, 2008, at 10:18 PM, Aaron Wallis wrote:
I've been having a fair few issues with NSBezier boxes lately (a.k.a
boxes with rounded corners)
I've created a NSView subclass that contains the following code,
then threw a few on a window with some controls over the top:
- ( void )
On Apr 21, 2008, at 5:35 PM, Graham Cox wrote:
- (NSPoint) pointOnPathAtLength:(float) length slope:(float*) slope;
I notice that your lengthOfBezier() function does an approximation
similar to what we'd get in postscript by executing flattenpath and
then adding up the lengths of the
On Apr 3, 2008, at 11:19 AM, Kristan Kennedy wrote:
I desperately need to hire two Mid-Level Mac/Cocoa Developers.
Cocoa-dev is a technical discussion list. If you have a job opening,
then post a description of the position, and include [JOB] in the
title. If anyone's interested,
On Mar 24, 2008, at 10:30 PM, Alex ROUGE wrote:
Hi everybody.
I guess it's not the best place to put my request but perhaps you
can help with a CoreAudio / AudioUnit question.
Try here:
http://lists.apple.com/mailman/listinfo/coreaudio-api
Cocoa-dev is a pretty high-volume list, and
On Mar 23, 2008, at 10:31 PM, Dave Hersey wrote:
If it's really important to you, send an incident to DTS and pay
them $195 for the answer. I suspect they'll tell you what we've told
you.
Speaking as a former Apple DTS engineer, I would ask you not to advise
Charlie to waste their time
On Mar 23, 2008, at 10:04 PM, charlie wrote:
I could care less what anyone else thinks about this decision.
The phrase you're trying to use is couldn't care less. Think about
it for a second, try to parse it.
In any case, if you're going to be surly when people who know more
than you
On Mar 24, 2008, at 4:19 AM, Eddy Hatcher wrote:
Hi,
I am detaching a selector A on a separate thread in another class.
In this selector I am calling another selector B in the same
class using [self performSelector:@selector(B)];
Which thread will this selector B be run on? The main, or
On Mar 5, 2008, at 5:45 AM, Hendrik Schreiber wrote:
a customer of mine experiences a crash that I cannot reproduce and
that I have no idea where its coming from.
He is trying to export some photos from iPhoto using our export
plugin (iP2F) and at some point always gets a Bus Error. I
Check out the lasso style crop maker here:
http://developer.apple.com/samplecode/Cropped_Image/index.html
-jcr
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