Hello,
I have tried to create a custom IB Plugin to support custom bindings/
reimplement existing bindings on NSImageView. My final goal is to have
read/write access to path and url bindings, I intend to reimplement
drag & drop and create files on the fly to achieve this.
For this I tried
If I would want to allocate a class which allocates a single subclass
instead, to
hide the class implementation details
would this be the correct way of doing it?
The following code would be in the BaseClass
+ (id)allocWithZone:(NSZone*)aZone
{
if ([[self class] isEqualTo:[BaseClass c
Hi.
I have a basic question regarding Class methods and instance methods
and memory allocation. (this is in iPhone OS 3.0 beta 5)
1.- What is the difference between string1 and string2? where
NSString *string1 = [NSString stringWithFormat:@"myFirstString"];
NSString *string2 = [[NSString alloc] in
On May 27, 2009, at 6:59 AM, Ignacio Enriquez wrote:
Hi.
I have a basic question regarding Class methods and instance methods
and memory allocation. (this is in iPhone OS 3.0 beta 5)
1.- What is the difference between string1 and string2? where
NSString *string1 = [NSString stringWithFormat:@"my
On 27/05/2009, at 11:59 PM, Ignacio Enriquez wrote:
I have a basic question regarding Class methods and instance methods
and memory allocation. (this is in iPhone OS 3.0 beta 5)
1.- What is the difference between string1 and string2? where
NSString *string1 = [NSString stringWithFormat:@"myFir
Hi Ignacio,
I just ran a simple test, pasted below:
NSString * one = [NSString stringWithString:@"Hello"];
NSString * two = [[NSString alloc] initWithString:@"Hello"];
NSLog(@"%X, %X, %X", one, two, @"Hello");
What you see logged is that the three strings point to the sa
On Wed, May 27, 2009 at 9:48 AM, Freddie Tilley wrote:
> If I would want to allocate a class which allocates a single subclass
> instead, to
> hide the class implementation details
>
> would this be the correct way of doing it?
>
> The following code would be in the BaseClass
>
> + (id)allocWithZo
On Wed, May 27, 2009 at 9:48 AM, Freddie Tilley wrote:
> If I would want to allocate a class which allocates a single subclass
> instead, to
> hide the class implementation details
>
> would this be the correct way of doing it?
>
> The following code would be in the BaseClass
>
> + (id)allocWithZo
Don't ever write either of the following lines:
> NSString *string1 = [NSString stringWithFormat:@"myFirstString"];
> NSString *string2 = [[NSString alloc]
initWithFormat:@"mySecondString"];
the WithFormat methods parse the argument string. If your argument
string contains any '%' character
On 27 mei 2009, at 16:51, Michael Ash wrote:
On Wed, May 27, 2009 at 9:48 AM, Freddie Tilley
wrote:
If I would want to allocate a class which allocates a single subclass
instead, to
hide the class implementation details
would this be the correct way of doing it?
The following code would be
On Wed, May 27, 2009 at 9:59 AM, Ignacio Enriquez wrote:
>
> 1.- What is the difference between string1 and string2? where
> NSString *string1 = [NSString stringWithFormat:@"myFirstString"];
> NSString *string2 = [[NSString alloc] initWithFormat:@"mySecondString"];
You own string2 and must rele
First:
I just realized that one of my statements was incorrect;
NSString *string2 = [[NSString alloc] initWithFormat:@"mySecondString"];
does not make string2 retainCount to be 2147483647, it only becomes
2147483647 when inserting @"" instead of @"mySecondString"
And regarding why use retainC
On May 27, 2009, at 8:34 AM, Ignacio Enriquez wrote:
And regarding why use retainCount?
Well I am trying to find where is my mistake, since sometimes my
application crashes and I am quite (99.9%) sure that I am releasing a
object that shouldn't be.
Using -retainCount won't help you; a temptin
Hello...
So, in order to better understand the flow of control when accessing a
UITableView instance, I created a tiny project with a single section,
having a single row, and then implemented every one of the 29 data
source and delegate methods to do trivial things in addition to
printing
On Wed, May 27, 2009 at 11:05 AM, Erik Buck wrote:
> As an alternative, use
> NSString *string1 = [[NSString stringWithString:@"myFirstString"] retain];
> or NSString *string2 = [[NSString alloc] initWithString:@"mySecondString"];
> or NSString *string3 = [@"myThirdString" copy];
However you shou
Thanks to all!
NSZombiesEnabled YES
Is really helpfull, now I now where to start!;)
I wish I would have known this before.
Cheers
On Thu, May 28, 2009 at 12:38 AM, Bill Bumgarner wrote:
> On May 27, 2009, at 8:34 AM, Ignacio Enriquez wrote:
>>
>> And regarding why use retainCount?
>> Well I am
On 27-May-09, at 8:41 AM, cocoa-dev-requ...@lists.apple.com wrote:
Well I am trying to find where is my mistake, since sometimes my
application crashes and I am quite (99.9%) sure that I am releasing a
object that shouldn't be.
Any ideas how to find such a bug?
As long as the crashes happen
I have a little app that downloads stock prices and was working
perfectly (for years) until my recent upgrade to 10.5.7. After the
upgrade, the program would crash on this call:
NSString *currinfo = [NSString stringWithContentsOfURL:[NSURL
URLWithString:[NSString
stringWithFormat:@"http://fin
I have an NSTableView that has rows of variable height, depending on
the amount of text in a specific column. This works.
If I resize the column, the row height adjusts correctly as the text
is rewrapped.
If I edit the contents of a cell, the field editor appears having the
expected size.
I have a text field cell in a table view, from which I need to be made
aware when it ends editing. I thought I would set my Controller class
as the text field cell's delegate, and then use NSTextField's delegate
method textDidEndEditing:, but realized that the text field cell
doesn't seem
Walker Argendeli wrote:
I have a text field cell in a table view, from which I need to be
made aware when it ends editing. I thought I would set my
Controller class as the text field cell's delegate, and then use
NSTextField's delegate method textDidEndEditing:, but realized that
the text
On May 26, 2009, at 16:55, Stamenkovic Florijan wrote:
Hi all,
I am trying to figure out how to properly accomplish the following,
and after reading docs, references and googling, I am still stuck.
Any help appreciated:
1. Have an NSPopUp, "Contents" and "Content values" bound to an
N
In reviewing the NSXML documents, I found no really simple way to traverse a
subtree of an NSXMLDocument. That is, traverse from the root until you hit
the node with the right name then pretend that that node is the root of a
smaller tree and traverse just the latter. [Everything I found talked o
On May 27, 2009, at 11:06 AM, Bill Garrison wrote:
On May 27, 2009, at 1:33 AM, Kelvin Chung wrote:
I'm fairly new to both fmdb and Cocoa bindings, so I am wondering
if anyone can help me out:
Suppose I have an FMResultSet resulting in a query. I'm trying to
put the results in an NSTab
I use 'strip -i -s savedSyms.txt my.app/Contents/MacOS/my' to remove
symbols that aren't necessary.
savedSyms.txt used to only contain typeinfo symbols (start with
"__ZTI") that are necessary for cross-library exception catching to
work.
But today, I discovered the need to preserve
".ob
On May 27, 2009, at 12:30 AM, Tomaž Kragelj wrote:
GroupItemsController:
- managed object context -> Application.delegate.managedObjectContext
- ???
The question marks are what I'm missing - if I don't bind to
anything, then the array controller will simply show all items for
all groups, how
On May 27, 2009, at 7:51 AM, Michael Ash wrote:
if ([[self class] isEqualTo:[BaseClass class]])
Oops, I forgot to mention one other thing. This works but is
excessively wordy and strange. In a class method, [self class] is
equivalent to self.
Actually, I accidently used [self class] i
You could set a delegate for the NSTableView itself. In that delegate,
you would implement the
- (void)controlTextDidEndEditing:(NSNotification *)note
delegate method. Within that method, you should be able to get the
information you need. For example,
NSTableView *tableView = [note object
Could someone clue me in as to the preferred method to do a
subtraversal?
Have you looked at XPath, it will save you from having to enumerate
and perform element-name string comparisons.
Keith
___
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com
> Actually, I accidently used [self class] in a class method two weeks ago,
> and it was causing a crash. I forget the circumstances, but when I caught
> that I was using [self class] and changed it to self, everything worked
> fine. So I don't know what the difference is, but there apparently is a
McLaughlin, Michael P.:
In reviewing the NSXML documents, I found no really simple way to
traverse a
subtree of an NSXMLDocument. That is, traverse from the root until
you hit
the node with the right name then pretend that that node is the
root of a
smaller tree and traverse just the latte
Hi
I am experimenting with core data and bindings.
I have a core data table with a one to-many relationship named
"participants"
I have in the same view another table displaying a list of
participants. I want to add additional participants using a Popuplist
with contacts and a participant
On May 27, 2009, at 2:15 PM, Dave Keck wrote:
Actually, I accidently used [self class] in a class method two
weeks ago,
and it was causing a crash. I forget the circumstances, but when I
caught
that I was using [self class] and changed it to self, everything
worked
fine. So I don't know wh
I had a problem with NSTextView refusing to use the text attributes I assigned
to it. Here's my workaround in case anyone else runs into the same problem.
I configured an NSTextView in IB with a custom text color, a bit of dummy text
with a custom font, and rich text turned off (i.e., it's plai
On Wed, May 27, 2009 at 2:58 PM, Andy Lee wrote:
> I configured an NSTextView in IB with a custom text color, a bit of dummy
> text with a custom font, and rich text turned off (i.e., it's plain text).
> The problem was that when the user deletes all the text, the text view
> reverts to black
On Wed, May 27, 2009 at 2:16 PM, Greg Guerin wrote:
> Recursion:
Be careful if you're processing arbitrary XML documents; you only have
8MB of stack to work with by default, and each stack frame adds up
quickly. You might need to turn your recursive solution into an
iterative one.
--Kyle Sluder
On Wed, May 27, 2009 at 1:35 PM, Eric Slosser wrote:
> Why is this symbol required to launch?
Does MyController have an +initialize method, or does any other
class's +initialize method possibly create an instance of or call a
class method of MyController?
--Kyle Sluder
__
On Wednesday, May 27, 2009, at 11:48AM, "Michael Ash"
wrote:
>This may seem nitpicky but I see a lot of newbies writing code just
>like this. Their code is filled with stringWithString: calls for
>absolutely no purpose, so I want to discourage that sort of thing.
Just for grins, I searched for c
On Wednesday, May 27, 2009, at 06:34PM, "Kyle Sluder"
wrote:
>On Wed, May 27, 2009 at 2:58 PM, Andy Lee wrote:
>> I configured an NSTextView in IB with a custom text color, a bit of dummy
>> text with a custom font, and rich text turned off (i.e., it's plain text).
>> The problem was that whe
Assuming that NSString may be using CFStrings, then the issue may be
related to const strings.
See information regarding "OTHER_CFLAGS = -fno-constant-cfstrings"
The basic issue is that when constant cfstrings is enabled, then the
string may be put into the TEXT segment and you end up passing
The reason why IB complains is that the dot accessor only returns a
regular set. You should therefore use "IBOutlet NSSet
*selParticipants" instead.
For the same reason, you cannot add a participant to
selection.participants using addObjects. Instead, you should either
(1) use mutableSetV
On 28/05/2009, at 4:15 AM, Timothy Larkin wrote:
Resizing the column makes everything good again. So there must be
some property of the field editor that can be modified so that it
follows the row height. Presumably this could be changed without
resizing the column. But hours of search and
Tried that. The field editor does vertically resize, but only if I
change the column width. It just doesn't vertically resize in response
to changes in the row height.
--
Timothy Larkin
Abstract Tools
Caroline, NY
On May 27, 2009, at 7:32 PM, Graham Cox wrote:
Have you tried [textEditor set
I'm getting this in the log when I open the "Customize Toolbar" sheet:
-[NSConcreteAttributedString initWithString:] called with nil string
argument. This has undefined behavior and will raise an exception in
post-Leopard linked apps. This warning is displayed only once.
Is this a bug in th
The technique I typically use to debug these types of log messages is
a breakpoint on NSLog. If that isn't hit, you could try a breakpoint
on write. After you hit the breakpoint, verify that it's for the log
message you're trying to debug, and then use the backtrace to get an
idea of what e
I'm having trouble using an NSValueTransformer. Suppose I have an
NSArrayController foo. If I bind a label's value to selection.number
(which is an NSNumber) on foo, then this is fine. However, I'm having
trouble when it comes to transforming this value.
Suppose I have a second NSArrayCo
http://www.sethwillits.com/temp/TextViewGlyphBug.mov
I have a custom text storage object, and I assume that's at the core
of this issue, but I'm not sure what's going on. Any ideas?
--
Seth Willits
___
Cocoa-dev mailing list (Cocoa-dev@lists.app
I have a very similar problem: my simple program that downloads stock
prices has been working fine but intermittently crashes on 10.5.7,
whether I use sendSynchronousRequest or stringWithContentsOfURL. For
me, too, everything is fine for 10-15 minutes and then the program crashes.
Here is the
Looks like the glyph info stored in NSLayoutManager is out of sync.
Are you calling -edited:range:changeInLength: from your implementation
of attribute modifying methods ?
Aki
On 2009/05/27, at 18:19, Seth Willits wrote:
http://www.sethwillits.com/temp/TextViewGlyphBug.mov
I have a custo
On May 27, 2009, at 7:15 PM, Graham Cox wrote:
I'm getting this in the log when I open the "Customize Toolbar" sheet:
-[NSConcreteAttributedString initWithString:] called with nil
string argument. This has undefined behavior and will raise an
exception in post-Leopard linked apps. This warn
On Wed, May 27, 2009 at 5:37 PM, Seth Willits wrote:
> I know this isn't exactly a very detailed description, but if they were
> equivalent, then changing [self class] to self shouldn't have fixed it, but
> it did. Pretty weird.
Does not follow. It's quite common in C-based languages to have brok
On 28/05/2009, at 11:40 AM, Ken Thomases wrote:
On May 27, 2009, at 7:15 PM, Graham Cox wrote:
I'm getting this in the log when I open the "Customize Toolbar"
sheet:
-[NSConcreteAttributedString initWithString:] called with nil
string argument. This has undefined behavior and will raise
On May 27, 2009, at 6:39 PM, Kyle Sluder wrote:
On Wed, May 27, 2009 at 1:35 PM, Eric Slosser fx.com> wrote:
Why is this symbol required to launch?
Does MyController have an +initialize method,
No.
or does any other
class's +initialize method possibly create an instance of or call a
class
I see this error at least several times a week. Searching through this
week's logs from my work computer:
ibtool[6341]: -[NSConcreteAttributedString initWithString:] called
with nil string argument...
mdworker[422]: -[NSConcreteAttributedString initWithString:] called
with nil string argument...
On 28/05/2009, at 12:04 PM, Graham Cox wrote:
The only field I have in the toolbar is a search field - looks
entirely standard as far as I can see.
#0 0x93d221e6 in -[NSConcreteAttributedString initWithString:]
#1 0x93d220eb in -[NSConcreteAttributedString
initWithString:attributes:]
So I just stripped the entire project down to 60 lines of code and it
was still happening. I was JUST about to click send and then I re-read
your message, and it turns out I forgot to call -
edited:range:changeInLength: from within -setAttributes:range:
Added that one line and all is good
How can I determine if a given file path, or a file alias (I have
both), refers to an item which is in the Trash?
The obvious answer, using -[NSString hasPrefix:] on the path with
NSHomeDirectory()/.Trash, doesn't look very pretty.
Thanks,
Jerry
I just noticed an earlier message in this thread that points out that
stringWithString: does in fact do the same optimization as -copy for
constant strings. So the approach in Apple's sample code does not
protect from the bundle unloading problem. Aside from the
OTHER_CFLAGS approach Jesp
Nothing comes to mind from the top of my head.
A little digging through Carbon documentation suggested you could use
FSCatalogInfo() function to determine the parent directory ID of the
file you are testing. With the result of that function, you can use
the IdentifyFolder() function to see
On May 27, 2009, at 8:20 PM, Andy Lee wrote:
I just noticed an earlier message in this thread that points out
that stringWithString: does in fact do the same optimization as -
copy for constant strings. So the approach in Apple's sample code
does not protect from the bundle unloading problem
On 2009 May 19, at 07:53, Mic Pringle wrote:
Is it possible to use an icon other than the applications when using
[NSApp presentError:error] ?
Override -willPresentError: like this:
- (NSError *)willPresentError:(NSError *)error_ {
// Present the error yourself
... [beginSheet..., sh
Thanks Keary, this works, however it requires that the same binding is
repeated in each nib where the same list should be handled (some views
may only need to show it while others can also modify it). I was
thinking of creating a "master" set of controllers in the main nib,
then bind the "s
On May 27, 2009, at 8:05 PM, Jerry Krinock wrote:
How can I determine if a given file path, or a file alias (I have
both), refers to an item which is in the Trash?
The obvious answer, using -[NSString hasPrefix:] on the path with
NSHomeDirectory()/.Trash, doesn't look very pretty.
Check t
I have a set of, let's say three, devices that have a range features among
them: a common, base feature set and then some combination of A, B or A + B
on top of that common base.
When the user is managing and configuring these devices from a list (a table
view for example), I bring up a dialog box
Thanks, Kiel and Adam. FSDetermineIfRefIsEnclosedByFolder() has the
advantage over IdentifyFolder(parent) of working for items that are
buried in folders that are in the trash, but strangely it gives a -35
nsvErr "no such volume" error if the item is not in the trash. I just
ignore all th
On Wed, May 27, 2009 at 10:04 PM, Jerry Krinock wrote:
> At first I thought these FS functions were in Carbon, but the docs say that
> they are in CoreServices, so I guess this is OK for the 64-bit future.
The only parts of Carbon that are deprecated are the GUI aspects.
While it makes sense to a
Hello,
I have a simple NSStatusItem with a menu (no custom views), just using
text as the title.
When I click on it, everything displays fine, however now I would like
to display it programmatically - in other words, simulate a mouse
click on the status item's text.
Currently I'm invoking "
On 28/05/2009, at 2:34 PM, Grant Erickson wrote:
is it best to have a NIB for each subview or pack them all into
a single NIB?
I'd say put all the subviews into the same nib. It makes it much
easier to select among them because you can have a single master
controller that has outlets for
I am trying to set an object's boolean, everything works but I get a warning
of 'pointer from integer without a cast'.
*// Here is the Main Class:*
[theObject setActivated: YES];
*// Here is the Object Class:*
@property(readwrite, assign) BOOL *activated;
@synthesize activated;
- (void)
BOOL isn't an object. you want BOOL not BOOL*
John Ku wrote:
I am trying to set an object's boolean, everything works but I get a warning
of 'pointer from integer without a cast'.
*// Here is the Main Class:*
[theObject setActivated: YES];
*// Here is the Object Class:*
@property(read
Thank you all, a newb mistake. :PIm going crazy trying to put pointer on
everything.
Btw, BOOL is not, is Boolean a pointer type?
Thanks!
On Wed, May 27, 2009 at 11:46 PM, Roland King wrote:
> BOOL isn't an object. you want BOOL not BOOL*
>
> John Ku wrote:
>
>> I am trying to set an object's
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