Re: userDefaultsDidChange is causing a loop with dependent checkbox values

2010-06-12 Thread Jerry Krinock
On 2010 Jun 12, at 11:25, Adam Gerson wrote: > the problem I am having is that [checkboxB setState:0] only changes the value > on the screen but does > not update the defaults saved value in the file Maybe the change is being deferred until later. Tried -[NSUserDefaults synchronize]? > I hav

Re: Interference of a variable name with Interface Builder

2010-06-12 Thread Kyle Sluder
On Sat, Jun 12, 2010 at 3:08 PM, Jochen Moeller wrote: > Kyle, thanks for the insight. Renaming the outlet was also my solution. > Does that mean that an outlet can be invalidated by a future version of a > class which introduces a new method with accidentally the same name? Well, certainly. That

Re: Interference of a variable name with Interface Builder

2010-06-12 Thread Jochen Moeller
Am 12.06.2010 um 23:22 schrieb Kyle Sluder: > On Sat, Jun 12, 2010 at 2:11 PM, Jochen Moeller wrote: >> >> Normally variable names don't interfere with method names. > > Strictly speaking, Variable names can never interfere with method > names. The compiler determines the type it needs from co

Re: Interference of a variable name with Interface Builder

2010-06-12 Thread Kyle Sluder
On Sat, Jun 12, 2010 at 2:11 PM, Jochen Moeller wrote: > Hello List, > > Normally variable names don't interfere with method names. So I can write: Strictly speaking, Variable names can never interfere with method names. The compiler determines the type it needs from context, and then resolves th

Re: NSTrackingArea pending install - NSTrackingEnabledDuringMouseDrag not working

2010-06-12 Thread Rainer Standke
For whatever it's worth, I did not find a way to make the tracking area work. I do get the mouseEntered and mouseExited messages, but only after the dragging has ended - which is precisely when I don't need it any more. Instead I use the method draggedImage:movedTo: out of the NSDraggingSource

Interference of a variable name with Interface Builder

2010-06-12 Thread Jochen Moeller
Hello List, Normally variable names don't interfere with method names. So I can write: CGFloat alphaValue = [ myCustomView alphaValue ]; Now, in an app the -drawRect: method of my custom view was not called although it should. I found out that the culprit was an outlet named "alphaValue" whic

Re: Type of NSData contents

2010-06-12 Thread Jens Alfke
On Jun 12, 2010, at 5:18 AM, Ben wrote: > Given an NSData object, with no context as to what it might be, is it > possible to find if it contains a document of recognised file type? Honestly, the best option I can think of is to use NSTask to run /usr/bin/file. Or look up the source code of th

userDefaultsDidChange is causing a loop with dependent checkbox values

2010-06-12 Thread Adam Gerson
I have set up some NSUserDefaults and used bindings to bind them to some checkboxes and radiobuttons in my nib. I want the act of checking some of the checkboxes to uncheck or check other checkboxes. I did this by registering for a NSUserDefaultsDidChangeNotification. Then inside userDefaultsDidCh

Re: Type of NSData contents

2010-06-12 Thread Charles Srstka
On Jun 12, 2010, at 7:18 AM, Ben wrote: > Hi list > > Given an NSData object, with no context as to what it might be, is it > possible to find if it contains a document of recognised file type? > > I know this is possible for image files, by using the imageIO framework and > doing the followin

Re: NSArrayController/Modal dialog/KVO Gordian knot

2010-06-12 Thread vincent habchi
Le 12 juin 2010 à 16:10, Keary Suska a écrit : > Normally, default value logic should be within the model object, not the > controller. If the defaults are specific to the controller or situation (and > not to any other controller or situation), the controller should be told to > prepare its ow

Re: Type of NSData contents

2010-06-12 Thread Keary Suska
On Jun 12, 2010, at 6:18 AM, Ben wrote: > Given an NSData object, with no context as to what it might be, is it > possible to find if it contains a document of recognised file type? It is possible, but I suspect that you have to know what you are looking for. I.e., you must check the contents f

Re: NSArrayController/Modal dialog/KVO Gordian knot

2010-06-12 Thread Keary Suska
On Jun 12, 2010, at 2:55 AM, vincent habchi wrote: > Hi again, > > I am still stuck in my (very simple) dialog management. Briefly, I have a > modal dialog that allows the user to create objects whose attributes are > derived from various fields. I need to set the a default value to one > attr

Type of NSData contents

2010-06-12 Thread Ben
Hi list Given an NSData object, with no context as to what it might be, is it possible to find if it contains a document of recognised file type? I know this is possible for image files, by using the imageIO framework and doing the following: CGImageSourceRef imageSource = CGImageSourceCreate

Re: Help system question...

2010-06-12 Thread Jerry Krinock
On 2010 Jun 11, at 21:56, Matthew Weinstein wrote: > There's some sort of bug in my help system, wondering if anyone can help. I > have a set of nested folders in the help system: one for tutorial, one for > user manual, but one link doesn't work in the help system, but works fine if > I click

Re: NSArrayController/Modal dialog/KVO Gordian knot

2010-06-12 Thread jonat...@mugginsoft.com
On 12 Jun 2010, at 11:45, vincent wrote: > Le 12 juin 2010 à 12:28, jonat...@mugginsoft.com a écrit : > >> Modal windows fulfil a very specific purpose and manipulate the runloop >> accordingly. > > It seems some events are postponed (like timer or notifications) and some are > not affected (

Re: NSArrayController/Modal dialog/KVO Gordian knot

2010-06-12 Thread jonat...@mugginsoft.com
On 12 Jun 2010, at 09:55, vincent habchi wrote: > Hi again, > > I am still stuck in my (very simple) dialog management. Briefly, I have a > modal dialog that allows the user to create objects whose attributes are > derived from various fields. I need to set the a default value to one > attrib

Re: How to specify the superview in the Interface Builder?

2010-06-12 Thread Henry McGilton
On Jun 11, 2010, at 8:32 PM, ico wrote: > On Sat, Jun 5, 2010 at 1:19 AM, jeremy wrote: > >> Would you provide some additional information: >> >> 1) Is the IB designed custom view in MainWindow.xib or is it in its own nib >> file? >> >> 2) Did you create a custom view controller class to mana

NSArrayController/Modal dialog/KVO Gordian knot

2010-06-12 Thread vincent habchi
Hi again, I am still stuck in my (very simple) dialog management. Briefly, I have a modal dialog that allows the user to create objects whose attributes are derived from various fields. I need to set the a default value to one attribute of a newly created object (after clicking on a button); ho