Re: From JavaMail to Cocoa?

I should also mention that this is truly worthy of filing an enhancement bug. On 20-Aug-08, at 2:53 AM, Christophe Bismuth wrote: Ok, thank you Scott.I'll try to reuse my Java code to get it works with a Cocoa GUI. Chris 2008/8/20 Scott Anguish <[EMAIL PROTECTED]> On 19-Aug-08, at 4:29

NSCollectionView keyloop broken, is there a workaround?

Hi List, I've asked this questions a couple of months back but never got a response. I'm bringing this up again in the hope that meanwhile someone else has figured out a workaround for the problem. Which is this: NSCollectionView (new in 10.5) is broken with respect to the window keyl

Re: NSTableColumn not usable with binder of class NSTextValueBinder?

On Tue, Aug 19, 2008 at 8:51 PM, Dave Dribin <[EMAIL PROTECTED]> wrote: > On Aug 19, 2008, at 5:47 PM, Dave Dribin wrote: >> >> Again, what's strange is if I change my cell's superclass to be >> NSTextFieldCell, this bind: call does not give an error and it all works. I >> also tried subclassing N

Re: Calling an object from a C function

On 20 Aug 2008, at 01:06, Charlie Dickman wrote: Now, how do I define things like 'self' and 'super' to a C program? Put like this the question doesn't make sense. But maybe this is useful: If you have a C function that _conceptually_ is part of an object and that needs to access 'self' li

Re: This document's file has been changed by another application?

> Are you actually saving the contents of the document to a > file inside the package? There is a complex arrangement of files inside the directory, some of which will get updated when saving. > Try to get the document's fileURL and check if it is > the same for the > first and subsequent save

Re: Calling an object from a C function

On Aug 20, 2008, at 4:21 AM, Antonio Nunes wrote: I don't know how this would scale to 'super'. I don't think you can pass in a pointer to super, as that is not how the mechanism works. While "self" is a variable name "super" is a flag to the compiler telling it where to begin searching for

Re: Best Way to Handle Properties?

Hi All, Thanks a lot all who replied! I understand the point about using lowercase characters to start the member names, e.g. "FirstName" --> "firstName", I am in the process of changing this now. I have a couple more questions: This makes memory management awkward. This code is creating

Re: Calling an object from a C function

On 20 Aug 2008, at 11:16, Ken Thomases wrote: Well, you can try to achieve this result with the Objective-C runtime. The better approach would be to have the C function be a very simple wrapper around an Objective-C method (as you illustrated) and then have that method invoke 'super' if ne

Re: This document's file has been changed by another application?

On Aug 20, 2008, at 5:31 AM, Chris Idou wrote: Are you actually saving the contents of the document to a file inside the package? There is a complex arrangement of files inside the directory, some of which will get updated when saving. One of my older applications takes a package-based d

Re: best way to determine if portion of window is visible?

Am Di,19.08.2008 um 18:13 schrieb Jason Bobier: Hi Amin, Unless I am misunderstanding, this would tell me if it was onscreen, but not if the window was exposed (not hidden by other windows). Ah, probably I misunderstood you. Cheers, Amin Jason On Aug 15, 2008, at 5:03 PM, [EMAIL PROTE

Re: How to reference a NSDocument from a NSView?

Am Di,19.08.2008 um 20:46 schrieb Scott Anguish: On 19-Aug-08, at 12:52 PM, Jeff Mesnil wrote: On Tue, Aug 19, 2008 at 1:37 PM, Jeff Mesnil <[EMAIL PROTECTED]> wrote: The application is behaving as expected, the model (the ovals) are kept in MyDocument and the DrawView just draws them. But

Re: Best Way to Handle Properties?

On Aug 20, 2008, at 6:05 AM, Dave wrote: This makes memory management awkward. This code is creating an object using alloc, so it's responsible for releasing it. However, you're not keeping a pointer to the new string you've created. You're just passing it to the PersonDetails object and

How do I register a cocoa bundle identifier?

Hi, I have this cocoa bundle which contains an executable (a shell tool) in the "Contents/MacOS" directory. I would like to register to bundle so that I can execute the contained program with "open -b com. 42tools.julia.backend" from the terminal. I've tried using LSRegisterFSRef() with va

Re: Right place to unobserve notifications in a document

Am Mo,18.08.2008 um 20:14 schrieb Andy Lee: Since the observed object (maybe notification center) will still hold a reference to the observing object, there is a problem. The *observer* will not be freed, if the observed is still living. Obviously you have a problem using GC, for exa

Re: Best Way to Handle Properties?

On 20 Aug 2008, at 13:30, Ken Thomases wrote: On Aug 20, 2008, at 6:05 AM, Dave wrote: This makes memory management awkward. This code is creating an object using alloc, so it's responsible for releasing it. However, you're not keeping a pointer to the new string you've created. You'r

Re: Right place to unobserve notifications in a document

Am Mi,20.08.2008 um 15:37 schrieb Joan Lluch (casa): Am Mo,18.08.2008 um 20:14 schrieb Andy Lee: Since the observed object (maybe notification center) will still hold a reference to the observing object, there is a problem. The *observer* will not be freed, if the observed is still l

Re: Best Way to Handle Properties?

Am Mi,20.08.2008 um 15:59 schrieb Dave: On 20 Aug 2008, at 13:30, Ken Thomases wrote: On Aug 20, 2008, at 6:05 AM, Dave wrote: […] Firstly in the real code there is a "PersonDataValid" flag so I can tell if it's a good "Person" or not, secondly, unless I put a whole load of logic in

NSView confusion

Nobody has anything to offer other than a nebulous "try changing the declarations"? I have tried everything I can think of and have tried the documentation I can find and I still can not figure out what is going on or what to do about it. I have an app that contains multiple NSView's whic

Re: Right place to unobserve notifications in a document

Joan Lluch El 20/08/2008, a las 16:05, Negm-Awad Amin escribió: Am Mi,20.08.2008 um 15:37 schrieb Joan Lluch (casa): I've been reading this thread and I don't understand it in the case of GC. Why don't you still have to remove the observer from the notification center when you are not

Re: NSView confusion

On Aug 20, 2008, at 7:25 AM, Charlie Dickman wrote: I have an app that contains multiple NSView's which are all visible at the same time. They are all sub-classes of NSView but not of any of the others. Each has its initialize, initWithRect and drawRect methods invoked as it should. With

Outlet Initialization Uses Accessors

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 your code. Ok, maybe everybody but me already knew that, bu

Re: best way to determine if portion of window is visible?

On Tue, Aug 19, 2008 at 9:13 AM, Jason Bobier <[EMAIL PROTECTED]> wrote: > Hi Amin, > > Unless I am misunderstanding, this would tell me if it was onscreen, but not > if the window was exposed (not hidden by other windows). What he suggested is basically what you need with the modification of aski

Re: Right place to unobserve notifications in a document

Am Mi,20.08.2008 um 16:58 schrieb Joan Lluch (casa): Joan Lluch El 20/08/2008, a las 16:05, Negm-Awad Amin escribió: Am Mi,20.08.2008 um 15:37 schrieb Joan Lluch (casa): I've been reading this thread and I don't understand it in the case of GC. Why don't you still have to remove the

Re: Right place to unobserve notifications in a document

On Wed, Aug 20, 2008 at 9:37 AM, Joan Lluch (casa) <[EMAIL PROTECTED]> wrote: > >> >> Am Mo,18.08.2008 um 20:14 schrieb Andy Lee: >>> >> >> Since the observed object (maybe notification center) will still hold a >> reference to the observing object, there is a problem. The *observer* will >> not be

Re: NSView confusion

On Aug 20, 2008, at 10:25 AM, Charlie Dickman wrote: Nobody has anything to offer other than a nebulous "try changing the declarations"? What's nebulous about that? It sounds like you are getting compiler warnings that you can get rid of by using more specific declarations for your view o

Re: NSView confusion

On Aug 20, 2008, at 11:08 AM, Joseph Kelly wrote: On Aug 20, 2008, at 7:25 AM, Charlie Dickman wrote: I have an app that contains multiple NSView's which are all visible at the same time. They are all sub-classes of NSView but not of any of the others. Each has its initialize, initWithRec

Re: NSView confusion

On Aug 20, 2008, at 8:25 AM, Charlie Dickman wrote: Nobody has anything to offer other than a nebulous "try changing the declarations"? [snip] Thanks for any help you can provide. Perhaps you need to post some code so we can see what you're really doing. ___

Re: NSView confusion

Am Mi,20.08.2008 um 16:25 schrieb Charlie Dickman: Nobody has anything to offer other than a nebulous "try changing the declarations"? I have tried everything I can think of and have tried the documentation I can find and I still can not figure out what is going on or what to do about it

Re: NSView confusion

On Aug 20, 2008, at 8:19 AM, Charlie Dickman wrote: "view" is an NSView and method is not spelled wrong. As I said, I can call it just fine with [view performSelector at run-time. And the method you are calling is declared in NSView.h? If the method is your own method declared in a subclass

Embed some NSControl in the NSTableView field?

Hi everyone. Maybe this idea is rather crazy, I do want to know whether it is practicable or not. The NSTableView is essentially a table to the end user. For example, your application may seem like the following: Tableheader1Tableheader2 MyVolumeValue = 0.

Simple NSView Question

I think that I am really close to this... but I can't find the next step. I am trying to build a view programatically after the application has launched. So I have a custom view that has one method: - (void)addLabelWithText:(NSString *)text { NSTextField *newTextField = [[NSTextField allo

Modifying TextEdit.app

Im more or less a Cocoa newb and building and modifying the TextEdit example has been very helpful. I ve modified it so it can do some simple things like having adjustable margins instead of the fixed 1" margins, etc. So far so good. Now I want to modify TextEdit so I can display the filena

Re: Best Way to Handle Properties?

On Aug 20, 2008, at 8:59 AM, Dave wrote: On 20 Aug 2008, at 13:30, Ken Thomases wrote: On Aug 20, 2008, at 6:05 AM, Dave wrote: This makes memory management awkward. This code is creating an object using alloc, so it's responsible for releasing it. However, you're not keeping a pointer

Re: Modifying TextEdit.app

Sounds like TextEdit is an NSDocument-based app. I'm not familiar with those, but I see NSDocument has a -displayName method whose documentation says: "If the document has been saved, the display name is the last component of the directory location of the saved file (for example, “MyDocu

Re: passing an object between views

Graham Cox wrote: > > On 20 Aug 2008, at 10:31 am, John Greene wrote: > >> I had originally thought that I could >> just write a method, setTableData in the secondary controller, that >> takes an object as an argument, and then use that object to build the >> secondary table. This is apparently fo

Re: NSTableColumn not usable with binder of class NSTextValueBinder?

Yup, Ken hits the target dead on; it sounds like it is simply due to the cell not having the binding. But please do log a bug requesting this for bindings. Also, thank you for logging the other bug -- I routed it to IB. corbin On Aug 20, 2008, at 1:35 AM, Ken Ferry wrote: On Tue, Aug 19,

Re: Embed some NSControl in the NSTableView field?

On Aug 20, 2008, at 3:33 PM, Leopard x86 wrote: Hi everyone. Maybe this idea is rather crazy, I do want to know whether it is practicable or not. The NSTableView is essentially a table to the end user. For example, your application may seem like the following: Tableheader1Tabl

mouseMoved events and unfocused views

Hi, is there a way to get mouseMoved events in a view without it being the focused view (and without getting the focus, of course)? Thanks Ruotger ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or

Re: Simple NSView Question

I just noticed something. If I put NSLog(@"%@", [self subviews]); into the drawRect: method, I get the following out put right after the app loads 2008-08-20 11:04:21.059 ViewApp[35666:10b] ( ) 2008-08-20 11:04:21.076 ViewApp[35666:10b]

Re: Right place to unobserve notifications in a document

On Aug 20, 2008, at 07:58, Joan Lluch (casa) wrote: I understand what is your preferred approach, which it is also what I would do. I can add to it that I even thought that you *have to* *always* unregister the observers when you have done with them. This is obviously true in RC environment

Re: mouseMoved events and unfocused views

On Aug 20, 2008, at 10:01, Ruotger Skupin wrote: is there a way to get mouseMoved events in a view without it being the focused view (and without getting the focus, of course)? If you're using Leopard, you can use a NSTrackingArea with the NSTrackingActiveAlways option. _

Re: Simple NSView Question

On Aug 20, 2008, at 12:12 PM, Justin Giboney wrote: I think that I am really close to this... but I can't find the next step. I am trying to build a view programatically after the application has launched. So I have a custom view that has one method: - (void)addLabelWithText:(NSString *)text

Re: mouseMoved events and unfocused views

On Aug 20, 2008, at 10:01 AM, Ruotger Skupin wrote: is there a way to get mouseMoved events in a view without it being the focused view (and without getting the focus, of course)? Yes, have a look at the tracking area options (tracking areas are new in 10.5) http://developer.apple.com/doc

Re: passing an object between views

On Wed, Aug 20, 2008 at 12:47 PM, John Greene <[EMAIL PROTECTED]> wrote: > I've tried a couple of things to make the object available to > theaterDetailController with no success: > >* Creating a method: > >-(void)setTableData:(NSDictionary)myTheater { >

Re: Modifying TextEdit.app

On Wed, Aug 20, 2008 at 12:13 PM, R.L. Grigg <[EMAIL PROTECTED]> wrote: > > Now I want to modify TextEdit so I can display the filenames full path in > the title bar of the document window instead of just the filename.ext > (because sometimes I have more than 1 version of a file up and its easy to

Re: Simple NSView Question

Here are my comments: If I add the code above into the drawRect: method, it works just fine. Technical questions would be so much clearer if we could remove "works" and "doesn't work" from the English language. :) By "works" do you mean it compiles? It runs without crashing? By "works

MacBook Wake On Lan

Hi All, I tried to wake Mac Book ( Its lid closed ) by sending Magic Packets. Its wake up after a few seconds . But it again again went to sleep after that. I tried to load Insomnia.kext after the wake ( lid closed at this time ) . The kext loaded successfully. But it has no effect.I tried to lo

Tiger Compatible OpenGL Screenshot Code

Hello All, I was testing an app I've been working on a for a while and found that it doesn't work with OpenGL and taking a screenshot. Some details of the app are, it loads a specific website and loads a java applet that uses OpenGL to render stuff, but my screenshot feature doesn't work (the par

Re: Simple NSView Question

On Aug 20, 2008, at 1:28 PM, Justin Giboney wrote: This is assuming, of course, that you have a good reason for adding the subviews in code rather than in the nib file in the first place -- perhaps because your view layout is dynamic in some way and can't be decided until launch time? Yes

Re: Best Way to Handle Properties?

On 20 Aug 2008, at 17:25, Ken Thomases wrote: On Aug 20, 2008, at 8:59 AM, Dave wrote: On 20 Aug 2008, at 13:30, Ken Thomases wrote: On Aug 20, 2008, at 6:05 AM, Dave wrote: This makes memory management awkward. This code is creating an object using alloc, so it's responsible for releas

Re: Simple NSView Question

On Aug 20, 2008, at 12:12 PM, Justin Giboney wrote: - (void)addLabelWithText:(NSString *)text { NSTextField *newTextField = [[NSTextField alloc] initWithFrame:NSMakeRect(5,5,17,50)]; [newTextField setStringValue:text]; [self addSubview: newTextField]; //[self setNeedsDisplay:YES];

Re: passing an object between views

Ah, reasonably better! Now I have: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if(dvController == nil) { theaterDetailController *aController = [[theaterDetailController alloc] initWithNibName:@"th

Re: Simple NSView Question

Thanks for the help. For some reason I pulled a custom view onto the screen and also pulled an object over to the file (instantiating an object). I connected the outlet to that instead of the view in the window. I don't know what I was thinking. Works well now. Thanks Justin Giboney On Au

Re: Tiger Compatible OpenGL Screenshot Code

On Aug 20, 2008, at 10:39 AM, Eric Hoaglin wrote: http://developer.apple.com/samplecode/OpenGLScreenSnapshot/index.html (Leopard+) The basic technique from this sample should work on 10.4 (the previous version of this sample did) but it wasn't qualified against 10.4 for the latest release

[Q] Using SFAuthorizationView in a Preference Pane project

How are you doing? I write a sample preference pane in which there are a few text fields and check boxes. They are organized as two groups: one for system-wide setting, and the other for a user-specific setting. I use the SFAuthorizationView for restricting users to access a system-wide sett

Re: passing an object between views

If I understand your question, it appears the concept you're missing is the Model-View-Controller (MVC) design pattern around which Cocoa is heavily designed. The controller should be where your XML (which belongs to the model layer) is generated. The controller would conceptually have an outlet

Re: Core Data Versioning - more than two versions, how to map upgrades?

On Aug 12, 2008, at 7:38 PM, Graham Perks wrote: I have model versions 1, 2, and 3, 3 being the latest. Obviously I need a mapping file to upgrade 2 -> 3. But for upgrades of v1, should the mapping file be 1 -> 3 direct, or 1 -> 2 and Core Data will do a two-step upgrade? Creating a mappi

Re: Best Way to Handle Properties?

On Aug 20, 2008, at 12:42 PM, Dave wrote: On Aug 20, 2008, at 6:05 AM, Dave wrote: -(void) setFirstName:(NSString*)theNewValue { if (FirstName != theNewValue) FirstName = [theNewValue copy]; } The reason I did it like this in that case is that I copied and pasted one template for

NSWindowController, owner, "primary window"...

I have a NSWindowController subclass managing a window and some functionality in that window. Now at some point I need to display a sheet, which is a window in a different nib. I'd like to use another NSWindowController to load that nib file, mainly so it will take care of (eg release) all

Re: Tiger Compatible OpenGL Screenshot Code

Le 20 août 08 à 19:54, David Duncan a écrit : On Aug 20, 2008, at 10:39 AM, Eric Hoaglin wrote: http://developer.apple.com/samplecode/OpenGLScreenSnapshot/index.html (Leopard+) The basic technique from this sample should work on 10.4 (the previous version of this sample did) but it wasn'

Animation curve is always linear though specified to be S-like

The problem is that my animation always seems to perform linearly, not S-like, although I specify it to do the latter. Here's my code: @interface MyAnimation : NSAnimation { } ... @end @implementation MyAnimation - (id)init { self = [super initWithDuration:0.1F animationCurve:NSAnimationEas

Re: NSWindowController, owner, "primary window"...

On Aug 20, 2008, at 1:39 PM, Gerd Knops wrote: I have a NSWindowController subclass managing a window and some functionality in that window. Now at some point I need to display a sheet, which is a window in a different nib. I'd like to use another NSWindowController to load that nib file,

Re: NSWindowController, owner, "primary window"...

On Aug 20, 2008, at 1:57 PM, Ken Thomases wrote: On Aug 20, 2008, at 1:39 PM, Gerd Knops wrote: I have a NSWindowController subclass managing a window and some functionality in that window. Now at some point I need to display a sheet, which is a window in a different nib. I'd like to use

Re: MacBook Wake On Lan

Hi! If a MacBook does not go to sleep when it's closed, my guess is that it would probably overheat. I don't think that trying to override that behavior is a good idea at all, even if it is possible (which it may or may not be). As a side note, this is likely the wrong list for such a q

Re: passing an object between views

I appear to have lied: the object makes it across successfully. Thanks all for your help. John John Greene wrote: > Ah, reasonably better! Now I have: > > - (void)tableView:(UITableView *)tableView > didSelectRowAtIndexPath:(NSIndexPath *)indexPath { > if(dvController == nil) >

Parse form values from HTTP POST

Does anyone know what the best way to parse form values from and HTTP Post is? I have a mini HTTP server in my app, and it needs to accept posts. I'm using CFHTTP to implement the server, so I have a CFHTTPMessageRef. I'm trying to figure out how to turn that into a dictionary of keys and

Re: Parse form values from HTTP POST

http://developer.apple.com/samplecode/CocoaSOAP/listing7.html On Wed, Aug 20, 2008 at 1:54 PM, Jesse Grosjean <[EMAIL PROTECTED]> wrote: > Does anyone know what the best way to parse form values from and HTTP Post > is? > > I have a mini HTTP server in my app, and it needs to accept posts. I'm usi

[Q] SFPreferenceView and authorize as admin?

Hello, all. Does any of you know how to authorize a user as an admin user using the SFPreferenceView? I'm writing a preference pane for the System Preference. What this custom preference pane does are : - Display system wide setting, but until a user clicks the "lock" icon, a user is not all

Re: Core Data merging

On Aug 15, 2008, at 5:26 AM, Vadim Lozko wrote: On Aug 15, 2008, at 6:09 AM, Tim Isted wrote: On 15 Aug 2008, at 00:19, Vadim Lozko wrote: I'm having a problem trying to upgrade an existing store of a Core Data database to a newer model that simply has 1 additional attribute property in

Control-Click vs Right-Click in NSTableView

I have an NSTableView subclass whose only override method is rightMouseDown. I override it so I can have it select the table row before validating and presenting the context menu (by then passing it up to [super rightMouseDown]). This works nicely but I have found that it does not work for

NSToolbar within view

Hi, I have been searching for a way to put a NSToolbar within a Custom View. Is this possible? I have one button that is a default, to return to the previous view, but each view has its own collection of buttons. Or do you guys know an alternative? Filip __

Re: NSToolbar within view

On Aug 20, 2008, at 3:15 PM, Filip van der Meeren wrote: I have been searching for a way to put a NSToolbar within a Custom View. Is this possible? No. I have one button that is a default, to return to the previous view, but each view has its own collection of buttons. Or do you guys kn

Re: Best Way to Handle Properties?

On Aug 20, 2008, at 12:42 PM, Dave wrote: The copy operation here, copies that data from one string to a newly allocated string, right? Only if it's mutable. If it's immutable, it's most likely that copy will just do the same thing as retain - since that object isn't going to change, ther

Re: Control-Click vs Right-Click in NSTableView

On Aug 20, 2008, at 4:02 PM, Matthew Mashyna wrote: I have an NSTableView subclass whose only override method is rightMouseDown. I override it so I can have it select the table row before validating and presenting the context menu (by then passing it up to [super rightMouseDown]). This wo

!foo vs foo == nil

This question has come up during the last CocoaHeads and no one was really able to give a definite answer. Do both expressions really mean the same thing (as nil is not null)? if (!foo) { ... } if (foo == nil) { ... } cheers -- Torsten ___ Co

Re: !foo vs foo == nil

#include #include int main(void) { char *p1; char *p2 = NULL; free(p1); free(p2); return 0; } if (toto)... just align your answer On Wed, Aug 20, 2008 at 3:23 PM, Torsten Curdt <[EMAIL PROTECTED]> wrote: > This question has come up during the last CocoaHea

Re: !foo vs foo == nil

On 21 Aug 2008, at 00:23, Torsten Curdt wrote: This question has come up during the last CocoaHeads and no one was really able to give a definite answer. Do both expressions really mean the same thing (as nil is not null)? if (!foo) { ... } if (foo == nil) { ... } Just try it out in a sma

Re: !foo vs foo == nil

On Aug 20, 2008, at 3:23 PM, Torsten Curdt wrote: This question has come up during the last CocoaHeads and no one was really able to give a definite answer. Do both expressions really mean the same thing (as nil is not null)? nil == 0. 0 is false, !0 is true. 0 == 0 is true. Therefore they

Re: !foo vs foo == nil

On Wed, Aug 20, 2008 at 3:32 PM, David Duncan <[EMAIL PROTECTED]> wrote: > On Aug 20, 2008, at 3:23 PM, Torsten Curdt wrote: > >> This question has come up during the last CocoaHeads and no one was really >> able to give a definite answer. >> Do both expressions really mean the same thing (as nil i

Re: Control-Click vs Right-Click in NSTableView

Le 21 août 08 à 00:02, Matthew Mashyna a écrit : I have an NSTableView subclass whose only override method is rightMouseDown. I override it so I can have it select the table row before validating and presenting the context menu (by then passing it up to [super rightMouseDown]). This work

Re: CALayer glitch: move one sublayer, add/remove another

(Just noticed that I posted this on quartz-dev, not here. [Didn't get an answer to my question there, either, natch.] For the archives, here's a very questionable workaround to the problem I was having..) On Jul 18, 2008, at 11:52 AM, Dave Hayden wrote: Just wanted to see if this is expecte

Re: !foo vs foo == nil

On Aug 21, 2008, at 00:30, Filip van der Meeren wrote: On 21 Aug 2008, at 00:23, Torsten Curdt wrote: This question has come up during the last CocoaHeads and no one was really able to give a definite answer. Do both expressions really mean the same thing (as nil is not null)? if (!foo) {

[MEET] CocoaHeads Frankfurt, 1st Sept 8pm

Soon it's the first Monday of the month again. That means it's time for CocoaHeads Frankfurt. http://upcoming.yahoo.com/event/983074 http://cocoaheads.mixxt.de/networks/events/index Please note that we meeting at a different venue this time. cheers -- Torsten http://vafer.org/blog ___

Re: Control-Click vs Right-Click in NSTableView

On 8/20/08 6:02 PM, Matthew Mashyna said: >This works nicely but I have found that it does not work for control >clicks. For a another view item I overrode mouseDown to check for the >control key and call [self rightMouseDown] if needed. Have you seen:

Re: !foo vs foo == nil

hum (void *)0 is equal to 0 interesting... type *ptr != type *ptr= NULL you should also align your knowledge you failed, you are a lazy pointer On Wed, Aug 20, 2008 at 4:15 PM, Torsten Curdt <[EMAIL PROTECTED]> wrote: > > On Aug 21, 2008, at 00:30, Filip van der Meeren wrote: > >> On 21 Aug 20

Re: !foo vs foo == nil

and especially for someone who's developing in Java On Wed, Aug 20, 2008 at 4:15 PM, Torsten Curdt <[EMAIL PROTECTED]> wrote: > > On Aug 21, 2008, at 00:30, Filip van der Meeren wrote: > >> On 21 Aug 2008, at 00:23, Torsten Curdt wrote: >> >>> This question has come up during the last CocoaHeads a

Re: !foo vs foo == nil

Just try it out in a small project... Keep in mind that Objective-C is the same as C, and C only checks for numbers within the if() statement... 0 = false, 1 or more = true... nil = 0 so, they mean the same thing... I guess my questions wasn't phrased correctly. The point was more: is 'ni

Re: !foo vs foo == nil

On Aug 20, 2008, at 6:15 PM, Torsten Curdt wrote: I guess my questions wasn't phrased correctly. The point was more: is 'nil' really the equivalent of 0 or NULL. Let's put it this way: freshly allocated objects have their memory zeroed out, except for their isa pointer. You can also rely o

Re: !foo vs foo == nil

#define __DARWIN_NULL ((void *)0) #define nil __DARWIN_NULL typedef struct objc_object { Class isa; } *id; typedef id (*IMP)(id, SEL, ...); id is a pointer you just demonstrated that 1 = 1 On Wed, Aug 20, 2008 at 4:42 PM, Jim Puls <[EMAIL PROTECTED]> wrote: >>> Just try

Re: !foo vs foo == nil

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

Re: !foo vs foo == nil

On Wed, Aug 20, 2008 at 7:15 PM, Torsten Curdt <[EMAIL PROTECTED]> wrote: > I guess my questions wasn't phrased correctly. The point was more: is 'nil' > really the equivalent of 0 or NULL. > > There was a common perception that NULL is not really the same as nil. But > seems like in the end it rea

Re: Outlet Initialization Uses Accessors

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 your

creating instance using Class variable

Hello, Does anyone know how to use a variable of type Class to create an instance of an object? I'm writing a method that needs to create an instance of one of two classes, to be determined at run-time. I want to pass in a Class variable, and have the method use it to create the instance.

Re: !foo vs foo == nil

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 the mistake. There is a GCC warning to help

Re: !foo vs foo == nil

as Mike and me pointed NULL === NULL but Im yet not alright with (!foo) === if(foo == nil) as I sent previously #include #include int main(void) { char *p1; char *p2 = NULL; free(p1); free(p2); return 0; } On Wed, Aug 20, 2008 at 4:57 PM, Michael Ash

Re: Control-Click vs Right-Click in NSTableView

On Aug 20, 2008, at 4:25 PM, Sean McBride wrote: On 8/20/08 6:02 PM, Matthew Mashyna said: This works nicely but I have found that it does not work for control clicks. For a another view item I overrode mouseDown to check for the control key and call [self rightMouseDown] if needed. Have yo

Re: !foo vs foo == nil

On Wed, Aug 20, 2008 at 5:07 PM, mm w <[EMAIL PROTECTED]> wrote: > as Mike and me pointed NULL === NULL > but Im yet not alright with > > (!foo) === if(foo == nil) if(!foo) and if(foo == nil) are 100% identical as far as the language is concerned. Trust me. > > as I sent previously How is this

Re: !foo vs foo == nil

foo = -1 On Wed, Aug 20, 2008 at 5:19 PM, Clark Cox <[EMAIL PROTECTED]> wrote: > On Wed, Aug 20, 2008 at 5:07 PM, mm w <[EMAIL PROTECTED]> wrote: >> as Mike and me pointed NULL === NULL >> but Im yet not alright with >> >> (!foo) === if(foo == nil) > > if(!foo) and if(foo == nil) are 100% identic

Re: creating instance using Class variable

On Aug 20, 2008, at 7:02 PM, Eliza Block wrote: Does anyone know how to use a variable of type Class to create an instance of an object? I'm writing a method that needs to create an instance of one of two classes, to be determined at run-time. I want to pass in a Class variable, and have

Re: !foo vs foo == nil

On Aug 20, 2008, at 7:07 PM, mm w wrote: as Mike and me pointed NULL === NULL but Im yet not alright with (!foo) === if(foo == nil) as I sent previously #include #include int main(void) { char *p1; char *p2 = NULL; free(p1); free(p2); return 0; } You kee

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