If you don't crash the app, you don't get the stack trace. No
stack trace = no clue about what went wrong. And we do offer to
save the user's work (in the NSExceptionHandler delegate) before
we bail out.
And the idea, obviously, is to fix the crashes in the next
maintenance release. We have
Le 28 janv. 2010 à 08:43, K.Darcy Otto a écrit :
> NSRect rect = NSRectFromCGRect([hitLayer frame]);
> float width = rect.size.width;
>
> That is, it returns a width, but not the width in the current window
> coordinates. Any ideas? Thanks.
What do you mean by "not the width in the current wi
On 27 Jan 2010, at 15:39, Sean McBride wrote:
> On 1/27/10 11:27 AM, jonat...@mugginsoft.com said:
>
>> OBJC_PRINT_REPLACED_METHODS generates a lot of references to
>> CoreFoundation/Quartz/OSA framework category replacements.
>
> Yes, for those of us outside Apple such messages are just noise.
Hello all.
Well Im not expert , but I just wanted to say that I have many
NSWindowControllers in my app build on 10.6 and I have no such a warnings, and
I hadn't have the need to implement NSWindowDelegate either.
Gustavo
On Jan 28, 2010, at 3:24 AM, Graham Cox wrote:
>
> On 28/01/2010, at
On 28/01/2010, at 9:56 PM, Gustavo Pizano wrote:
> Well Im not expert , but I just wanted to say that I have many
> NSWindowControllers in my app build on 10.6 and I have no such a warnings,
> and I hadn't have the need to implement NSWindowDelegate either.
OK, but have you attempted to set a
I see. thanks for the clarification. :D
G.
On Jan 28, 2010, at 12:39 PM, Graham Cox wrote:
>
> On 28/01/2010, at 9:56 PM, Gustavo Pizano wrote:
>
>> Well Im not expert , but I just wanted to say that I have many
>> NSWindowControllers in my app build on 10.6 and I have no such a warnings,
>
On 28 Jan, 2010, at 7:39 PM, Graham Cox wrote:
>
> On 28/01/2010, at 9:56 PM, Gustavo Pizano wrote:
>
>> Well Im not expert , but I just wanted to say that I have many
>> NSWindowControllers in my app build on 10.6 and I have no such a warnings,
>> and I hadn't have the need to implement NSWin
I have a binding creation memory leak.
-[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:] (in AppKit)
A custom object in a nib is wired to a NSArrayController.
@interface CustomObject : NSObject
{
IBOutlet id arrayController;
NSArray *array;
}
@end
@implemen
On 28/01/2010, at 11:57 PM, Richard Somers wrote:
> Why am I leaking?
What's the evidence that you are?
--Graham
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On Jan 28, 2010, at 6:03 AM, Graham Cox wrote:
What's the evidence that you are?
MallocDebug reports a leak, and the leak grow over time.
...
-[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:]
...
-[CustomObject awakeFromNib]
...
NSApplicationMain
start
--Richard
_
Hi,
I have a hierarchical menu that places checkmarks next to sub-menu items
when the user selects an item. If either of the sub-menu items are checked,
I would like the top-level item to be checked. This works, but the top-level
item does not update until the mouse rolls over any of the top level
I'm working on an iPhone application and I need some advice on displaying
animated content (think: cartoon like movies). Hopefully someone can point me
in the right direction.
Goal
The application needs to display short 2 second 'clips' of animated characters
in a loop. Animation can be tr
> If you don't crash the app, you don't get the stack trace. No
> stack trace = no clue about what went wrong.
Just yesterday I was working on some new code, which threw an exception, and
the logged message included the stack trace. Never seen that before, so I
assume it's new in Snow Leopard. At
Hello everybody,
I'm new blind developer from Spain. Well,
I can use interface builder to add objects to a window, define outlets and
actions but I can define a connection between an outlet and an action. How can
I do this in sourceCode using objetive-C?
I searched it in my Objetive-C spanish
On Jan 28, 2010, at 8:22 AM, patrick machielse wrote:
> I'm working on an iPhone application and I need some advice on displaying
> animated content (think: cartoon like movies). Hopefully someone can point me
> in the right direction.
>
> Goal
>
> The application needs to display short 2
Yes, I believe this is new in Snow Leopard. But on Leopard and
Tiger, only numerical addresses are available and to interpret
those requires that you know the 'slide' of each dylib loaded,
which varies from machine to machine.
Mind you, with the breathtaking speed of uptake of Snow Leopard,
m
how can i do the equivalent of "new email with selection" service from a cocoa
app programmatically?
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On Jan 28, 2010, at 12:10 AM, Paul Sanders wrote:
> If you don't crash the app, you don't get the stack trace. No
> stack trace = no clue about what went wrong.
That's why I said the error alert should include the same "Report" button as
the crash report would.
> And we do offer to
> save
On Jan 28, 2010, at 6:38 AM, Jonathan Chacón wrote:
> I can use interface builder to add objects to a window, define outlets and
> actions but I can define a connection between an outlet and an action. How
> can I do this in sourceCode using objetive-C?
To set an outlet, just set the instance
On Jan 28, 2010, at 5:52 AM, Michael Domino wrote:
> I have a hierarchical menu that places checkmarks next to sub-menu items
> when the user selects an item. If either of the sub-menu items are checked,
> I would like the top-level item to be checked. This works, but the top-level
> item does no
On Jan 28, 2010, at 5:13 AM, Richard Somers
wrote:
MallocDebug reports a leak, and the leak grow over time.
If you never unbind, you're probably just seeing the KVO bookkeeping
taking place.
Alternatively, you're calling super's implementation of -
bind:toObject:withKeyPath:options: fr
I cannot discern a method that tracks the knob on and NSSlider.
Is it possible to track an NSSlider?
-db
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On Jan 28, 2010, at 9:05 AM, David Blanton wrote:
> I cannot discern a method that tracks the knob on and NSSlider.
Check the "continuous" checkbox in IB (or set the object property of the same
name) and your target will get called while the user drags, as soon as the
position changes.
—Jens_
Le 28 janv. 2010 à 18:05, David Blanton a écrit :
> I cannot discern a method that tracks the knob on and NSSlider.
>
> Is it possible to track an NSSlider?
Binds "value" to some KVC variable of your tracking object, no?
Vincent___
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On 28-Jan-10, at 2:47 AM, vincent habchi wrote:
Le 28 janv. 2010 à 08:43, K.Darcy Otto a écrit :
NSRect rect = NSRectFromCGRect([hitLayer frame]);
float width = rect.size.width;
That is, it returns a width, but not the width in the current
window coordinates. Any ideas? Thanks.
What do
On Jan 28, 2010, at 6:22 AM, patrick machielse wrote:
> - I've seen mentioned that movie playback inside a view is not currently
> supported in the frameworks. I've also not found support for movie file
> formats (you can only pass a url into the iPhone frameworks, that's it).
Keep in mind that
On Jan 28, 2010, at 9:26 AM, K. Darcy Otto wrote:
> The problem is that I'm having difficulty setting up the NSTrackingAreas.
> Given CA layer x, I want to discover the position of x in the window so I can
> set up the tracking area. Is this the right way to solve this problem? If
> so, how
> On Jan 28, 2010, at 9:05 AM, David Blanton wrote:
>
>> I cannot discern a method that tracks the knob on and NSSlider.
>
> Check the "continuous" checkbox in IB (or set the object property of the same
> name) and your target will get called while the user drags, as soon as the
> position chan
On Jan 28, 2010, at 04:57, Richard Somers wrote:
> - (void)awakeFromNib
> {
>[self bind:@"array"
> toObject:arrayController
> withKeyPath:@"arrangedObjects"
> options:nil];
>
>[arrayController addObserver:self
> forKeyPath:@"arrangedObjects.changed"
>
Thanks for replying!
No, what happens is:
1. the user selects a sub-menu item, and item is checked or unchecked.
2. The menu closes.
3. The user selects the menu again, and keeps the mouse on the main menu
title. The top-level item is not updated to its true state (either checked
or unchecked) wh
- Original Message -
From: "Jens Alfke"
To: "Paul Sanders"
Cc: "Ken Thomases" ;
Sent: Thursday, January 28, 2010 4:34 PM
Subject: Re: Uncaught exceptions not terminating my app
On Jan 28, 2010, at 12:10 AM, Paul Sanders wrote:
>> If you don't crash the app, you don't get the stack tra
Hello,
thanks for your help but I don't know where I have to define de connection
between outleets and actions. I have to type them in the appController,
windowDelegate or where the outlets were defined?
I have to type the connection in a function/method of a class or like a
variable or outlee
Continuous Check Box did the trick .. Thanks!
-db
On Jan 28, 2010, at 10:11 AM, Jens Alfke wrote:
On Jan 28, 2010, at 9:05 AM, David Blanton wrote:
I cannot discern a method that tracks the knob on and NSSlider.
Check the "continuous" checkbox in IB (or set the object property of
the sam
On Jan 27, 2010, at 9:52 PM, vincent habchi wrote:
>> But at the same time, you could probably simplify this a lot by creating
>> CGImages with your content and then assign those images as the contents of
>> your layers from the main thread. This is almost certainly likely to be
>> simpler and
On Jan 28, 2010, at 9:42 am, vincent habchi wrote:
>> Check the "continuous" checkbox in IB (or set the object property of the
>> same name) and your target will get called while the user drags, as soon as
>> the position changes.
>
> Do not forget there are some pitfalls. For example, I bound
On Jan 28, 2010, at 9:50 AM, Michael Domino > wrote:
Is that clearer?
Yes. It's even clearer now that you should be implementing the UI
validation protocol. ;-)
--Kyle Sluder
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Please do n
On Jan 28, 2010, at 9:42 AM, vincent habchi wrote:
Do not forget there are some pitfalls. For example, I bound a slider
to the alpha value of a CALayer. I had to subclass it, because there
is no way I found (except a custom NSValueTransformer) to get the
slider return a float value from [0
On 2010 Jan 28, at 07:34, Stephane Huaulme wrote:
> how can i do the equivalent of "new email with selection" service from a
> cocoa app programmatically?
As far as the "selection", if you mean from your app, you're going to have to
answer that for yourself. If you mean from another app, I do
On 28-Jan-10, at 9:38 AM, David Duncan wrote:
On Jan 28, 2010, at 9:26 AM, K. Darcy Otto wrote:
The problem is that I'm having difficulty setting up the
NSTrackingAreas. Given CA layer x, I want to discover the position
of x in the window so I can set up the tracking area. Is this the
Hi, everyone.
I'm embarking on the creation of my first custom control, which will be
basically like an NSSlider, but have more than one knob.
To illustrate what I need it for, let's use a handy Star Trek analogy.
Say Mr. Scott is in the Enterprise engine room. He has 20 units of power
to di
On Jan 28, 2010, at 9:53 AM, Paul Sanders wrote:
No more dangerous then doing a random longjmp back to the event
loop, which is what happens if you let the exception unwind. As I
say, the frameworks do not appear to use exception handling
internally, other than to get back to the event lo
On Jan 28, 2010, at 9:52 AM, Jonathan Chacón wrote:
thanks for your help but I don't know where I have to define de
connection between outleets and actions. I have to type them in the
appController, windowDelegate or where the outlets were defined?
I have to type the connection in a functi
Le 28 janv. 2010 à 19:57, Jens Alfke a écrit :
>
> On Jan 28, 2010, at 9:52 AM, Jonathan Chacón wrote:
>
>> thanks for your help but I don't know where I have to define de connection
>> between outleets and actions. I have to type them in the appController,
>> windowDelegate or where the outl
On Jan 28, 2010, at 10:45 AM, Quincey Morris wrote:
Could you maybe say what you're trying to do here? As is, this code
looks completely and utterly wrong. "array" is an instance variable
(and, by default, perhaps a property, but it's not a binding, AND
the direction of the dependency looks
Hi,
I run an NSSavePanel, and [dlg setCanSelectHiddenExtension:NO] is called on
it. Running on Leopard, the extensions in the file browser list are always
shown, and when a file is selected from the list the entire filename is
copied to the text edit field at the top of the dialog, including the
e
Le 28 janv. 2010 à 19:30, mmalc Crawford a écrit :
>
> On Jan 28, 2010, at 9:42 am, vincent habchi wrote:
>
>>> Check the "continuous" checkbox in IB (or set the object property of the
>>> same name) and your target will get called while the user drags, as soon as
>>> the position changes.
>>
Yes, I think I came across one of those in the Carbon menu stuff
as I reported in my original post. But I don't think that is
relevant. As I say, I silently ignore those very few exceptions
that the frameworks do occasionally throw in the absence of any
error in my own code, and I have formed
On 28 Jan 2010, at 18:55, Jens Alfke wrote:
>>
>
> There are various places in the frameworks where exceptions get caught and
> (mostly) ignored. Some of these are where Carbon code (like the menu or
> open/save file panel implementation) calls into Cocoa, since throwing an
> exception out th
OK, thanks. I'll do a bit more testing on Snow Leopard. But I
have code out in the field with my 'brutal' exception handling
in place and nothing like this has ever (yet!) been reported.
Paul Sanders.
- Original Message -
From:
To:
Sent: Thursday, January 28, 2010 7:38 PM
Subject:
On Jan 28, 2010, at 10:39 AM, K. Darcy Otto wrote:
> Thank you for this; but I'm still having a few problems. Here's what I have
> as part of -mouseDragged (where hitLayer is the CA layer that has been
> identified):
>
> CGRect p,q;
> p = [hitLayer bounds];
> q = [[hitLayer superlayer] convert
On 2010 Jan 28, at 10:51, Charles Jenkins wrote:
> I'd like the active knob to have a nice, fuzzy focus ring, just like a normal
> Aqua control. And it should appear blue or graphite color according to the
> user's preference setting.
So, just to be clear, you don't want a Fuzzy Focus Ring. Y
David,
> You can create the images on a secondary thread, then pass them back to the
> main thread for assignment. The heavy operation is the drawing, not the
> uploading of drawn content. You may also want to consider culling some of
> that data before you draw it.
You're right. Up to that po
On 2010 Jan 28, at 11:26, Michael Domino wrote:
> Running on Snow Leopard, the extensions still appear in the file browser
> list, but when a file is selected the extension is not copied to the text
> edit field along with the rest of the filename.
When you find differences running in different
Le 28 janv. 2010 à 19:51, Charles Jenkins a écrit :
> Considering that the knob will probably be oddly shaped, how do I get the
> system to draw the focus ring? Is the system focus ring something you can
> just add to any graphic?
No, but maybe you can back the drawing of your control by a smal
On Jan 28, 2010, at 12:29 PM, vincent habchi wrote:
> You're right. Up to that point, I'm quite satisfied with generating the
> contents directly out of the delegate, but, in a sense, your approach is more
> unified, since the same layer could then display either vector (drawn out of
> the data
Le 28 janv. 2010 à 21:37, David Duncan a écrit :
> On Jan 28, 2010, at 12:29 PM, vincent habchi wrote:
>
>> You're right. Up to that point, I'm quite satisfied with generating the
>> contents directly out of the delegate, but, in a sense, your approach is
>> more unified, since the same layer c
Hey guys,
first off thank you for your time, I really appreciate it! So I am
having problems with the drag'n'drop of the IKImageBrowserView. In my
case I am dragging a file to the view which is automatically sorted
case insensitive which means the user isn't able to re-arrange objects
in
On Jan 28, 2010, at 11:05 AM, Jean-Daniel Dupas wrote:
I don't know any way to do it but in Interface Builder and
unfortunately I don't see how to bind the outlet without mouse (but
maybe someone has an idea).
Oh! Sorry, Jonathan, I overlooked the word "blind" in your original
message. I
On Jan 28, 2010, at 12:48 PM, vincent habchi wrote:
> Of course. But then, admitting I do indeed draw offscreen and then load
> contents in the CALayer, on what object shall I draw? A CGLayer? Something
> else?
There are only 2 types of context you can create (bitmap & pdf) and only one
that c
Thanks for the advice, you are absolutely correct, now the menu update
behaves as expected.
On 1/28/10 1:33 PM, "Kyle Sluder" wrote:
> On Jan 28, 2010, at 9:50 AM, Michael Domino > wrote:
>
>> Is that clearer?
>
> Yes. It's even clearer now that you should be implementing the UI
> validation p
I have run up against an apparent 10.6.2 bug in the NSTableView object.
Specifically, if NSTableViewSelectionHighlightStyleNone is set, the tableView
causes Assertion failures and other problems. Below is some code demonstrating
the problem. In any event, I need to emulate the None style for hig
It's definitely a bug in AppKit; thank you for logging it, and including a test
case.
Try setting -setAllowsColumnSelection:NO. That work?
corbin
On Jan 28, 2010, at 2:00 PM, Daniel Wambold wrote:
> I have run up against an apparent 10.6.2 bug in the NSTableView object.
> Specifically, if NST
Corbin-
Looks like
[myTableView setAllowsColumnSelection:NO];
stopped the crashing for now (I'm sure I've made plenty of other mistakes that
are lurking in the dark) Thanks for the tip!
-dan___
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Pl
Hello.
I want to build a graphical application (App A) that would simulate a
file drop onto certain areas of another running application (App B) at
the touch of a button. The particular file that would be dropped, and
the particular area of App B that it would be dropped onto, would
depend on the
I am using this document as my guide:
http://developer.apple.com/mac/articles/tools/unittestingwithxcode3.html
OS: Snow Leopard, XCode 3.2.1
iMac - Quad CPU.
I am able to run the sample as outlined, see the test failures, correct the bug
and watch the test pass. When I try to set a break p
On Jan 28, 2010, at 11:12, Richard Somers wrote:
> Actually that is about all there is (and it works except for the leak). I
> started with Malcolm Crawford's "Graphics Bindings" example. It is the most
> complex programmatic example he has but just so happened to be the one that
> fit my need
Hello,
I am using the NSXML classes to generate and parse my own XML files. Sometimes
these files store strings of text that has been brought in from other
applications (for instance, there might be a plain text representation of some
text the user has pasted in from Word).
In some instances I
On Thu, Jan 28, 2010 at 6:16 PM, Keith Blount wrote:
> I am using the NSXML classes to generate and parse my own XML files.
> Sometimes these files store strings of text that has been brought in from
> other applications (for instance, there might be a plain text representation
> of some text t
On Jan 27, 2010, at 10:51 PM, Van Mardian wrote:
I want to build a graphical application (App A) that would simulate a
file drop onto certain areas of another running application (App B) at
the touch of a button.
I don't believe there have ever been public APIs for simulating drag-
and-drop
On Jan 28, 2010, at 3:16 PM, Keith Blount wrote:
So, my question is, what is the best way for me to filter out these
invalid characters from my NSString before I pass it into
NSXMLElement's -initWithName:stringValue: or similar methods, to
avoid creating XML documents that won't open?
M
Thanks for the heads up. Actually this came up recently - a character had
pasted some Word characters into my app, including a non-valid UTF8 one, and it
was throwing exceptions on loading the text storage (it turned out that using
-replaceCharactersInRange:withAttributedString after init'ing th
Many thanks for your reply. Wouldn't using these methods be a lot more
expensive (and slower) than going through using -characterAtIndex: or something
similar, accessing the characters directly, though? I'm thinking that I would
have to add every character to the character set and then let NSStr
I've managed to set up a series of NSTrackingAreas. These tracking
areas work beautifully, highlighting and de-highlighting in turn by
means of -mouseEntered and -mouseExited. The problem I've run into is
that -mouseEntered and -mouseExited do not fire on a drag. Here is
the code I've us
As an update, I tried this, which seems to partially work:
- (NSString *)stringCleanedForXML // in an NSString category
{
unichar character;
NSInteger index, len = [self length];
NSMutableString *cleanedString = [[NSMutableString alloc] init];
for (index =
On 29/01/2010, at 11:29 AM, Keith Blount wrote:
> As an update, I tried this, which seems to partially work:
> - (NSString *)stringCleanedForXML // in an NSString category
{
unichar character;
> []
> Using this saved my XML strings in such a way as they didn't produce errors
> on loadin
On 29/01/2010, at 11:34 AM, Graham Cox wrote:
> 0x10 are (at least) 20 bit constants
24-bits in this case (misread it).
--Graham
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App A is basically a custom file browser that I'm designing for a
touchscreen display. App B is some music production software that
accepts file drops into various "tracks". App A would be running on
the touchscreen and App B would be running on the main display.
On Thu, Jan 28, 2010 at 6:36 PM, J
> Oh, it looks like you can eliminated most of the code below if you're
> targetting Mac OS 10.5+.
>
> #import
>
> @interface NSView (FocusRing)
Ah -- a quick side note on this code sample. Adding a category to NSView with
generic names (like drawFocusRing) is quite dangerous. The issue is th
Hi Tobias,
The equivalent of setDropRow:dropOperation for the IKimageBrowserView is
- (void) setDropIndex:(NSInteger)index
dropOperation:(IKImageBrowserDropOperation)operation;
available on 10.6
-- Thomas
On Jan 28, 2010, at 10:01 PM, Tobias Jordan wrote:
> Hey guys,
>
> first off thank y
Hi all,
I am just following up on my previous queries about how to show a hierarchy of
Nodes in the left pane (like iTunes or Disk Utility) and have the available tab
view items on the right change according to the type of node that the user
selects.
Thanks to Volker, Kyle, Nathan and "Idiot S
I have an array within a model object that is hooked up to a NSCollectionView
via an NSArrayController and NSCollectionViewItem (i.e. standard). The array
elements are custom objects with a title and image property. These are bound
to an NSTextField and NSImageView within the view managed by t
Greetings,
CocoaHeads is an international Cocoa programmer's group. Meetings are
free and open to the public. We specialize in Cocoa, but everything
Mac/iPhone programming related is welcome.
Upcoming meetings:
Australia
Sydney- Thursday, February 4, 2010 18:30.
Austria
Wien- Thursday, Feb
On Jan 28, 2010, at 3:47 PM, Keith Blount wrote:
> Many thanks for your reply. Wouldn't using these methods be a lot more
> expensive (and slower) than going through using -characterAtIndex: or
> something similar, accessing the characters directly, though?
No, because it's more efficient to l
On Jan 28, 2010, at 4:29 PM, Keith Blount wrote:
> [cleanedString appendFormat:@"%C", character];
If you're worried about efficiency, format conversions like this are
particularly slow; so is building up an NSString a character at a time. It's
more efficient to allocate a
Hello everybody,
OK, thanks for the information...
I'll find info about @selector, setActions in Objetive-C and I'll post this
question in xCode list.
I want to develop some games for blind users in iPhone
thanks and regards
Jonathan Chacón
El 28/01/2010, a las 22:08, Jens Alfke escri
Jonathan Chacón wrote:
Hello everybody,
OK, thanks for the information...
I'll find info about @selector, setActions in Objetive-C and I'll post this
question in xCode list.
I want to develop some games for blind users in iPhone
thanks and regards
Jonathan Chacón
El 28/01/2010, a la
On 2010 Jan 28, at 16:00, K. Darcy Otto wrote:
> It is my understanding that the "NSTrackingEnabledDuringMouseDrag" is
> supposed to allow -mouseEntered/-mouseExited to fire during a drag. Is this
> not correct?
I hope someone who knows the answer to that specific question will answer you.
>
On Jan 28, 2010, at 4:04 PM, Quincey Morris wrote:
But you did nothing like what's in that example. It defines (and
exposes) 2 named bindings of the custom view object, and implements
all of the behavior associated with each binding. The [bind:...]
implementation is just one piece of the wh
Hello Roland,
Could you tell me any example project where I examine the source code?
thanks and regards
Jonathan Chacón
El 29/01/2010, a las 06:04, Roland King escribió:
> Jonathan Chacón wrote:
>> Hello everybody,
>> OK, thanks for the information...
>> I'll find info about @selector,
Hello.
Earlier this week, I asked how I could determine network reachability from my
app. Someone replied to check the SystemConfiguration framework. I finally got
around to have a look and wrote the following code:
+ (BOOL)hostIsReachable:(NSString *)hostName
{
CFHostRefhost;
Hi Thomas,
thanks for the information, didn't know there exists such a method but
is there a way to do it like this on Mac OS X 10.5 Leopard?
- Tobias
On Jan 29, 2010, at 2:24 AM, Thomas Goossens wrote:
Hi Tobias,
The equivalent of setDropRow:dropOperation for the
IKimageBrowserView is
On Jan 28, 2010, at 9:22 PM, Laurent Daudelin wrote:
>host = CFHostCreateWithName(kCFAllocatorDefault, (CFStringRef)hostName);
>assert(host != NULL);
>
> SCNetworkReachabilityRef target =
> SCNetworkReachabilityCreateWithName(NULL, [hostName
> cStringUsingEncoding:NSUTF8Str
Hi All,
Summary:
I have an NSTreeController driven hierarchy of "Nodes" in my window's left
pane. I'd like to subclass Node into a few subclasses. Each subclass in the
model shows its own tab view item(s) in the view (right half of the document
window). The tab view item contains UI elements (
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