Re: Detect dim/brightness keys on laptop
As far as I know, the system provides you with this choice. On 26 Dec 2009, at 01:01, John Clayton wrote: Hi All I there a way to detect, on a system wide basis, that the dim/brightness keys (or volume keys) have been pressed? I tried using the event-tap API using a HID + head based intercept, running as root with assistive access switched on, but even that doesn't receive the events. My aim is to write a little util that swaps the function keys depending on which app is running (i.e. so that during certain apps you don't have to use the FN key on the laptop to get F1). So I need to have the ability to modify the event stream - e.g. exactly what event taps provides. The only fly in the soup so far is that the brightness (F1 and F2 as well as the volume keys) are not seen by the event tap spike program that Ive written. Looking forward to any tips - thanks. -- John Clayton ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/frak.off%40gmail.com This email sent to frak@gmail.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
How can I make an NSTableView update its display on command?
Hello List, I am writing a CoreData app with an entity controller bound to an NSTableView, with the bindings created programmatically. Periodically, the program creates a new NSManagedObject, sets default values, and adds it to the MOC. This works fine. However, the NSTableView does not update its display until I mouse over it. In a given period of time, several objects may have been added, but they do not appear until the pointer enters the NSTableView onscreen. I have tried each of the following, then commented them out when they failed: NSLog (@Have we updated yet?\n); // 1 // [myTableViewOutlet reloadData]; // 2 // [myTableViewOutlet lockFocus]; // [myTableViewOutlet display]; // [myTableViewOutlet unlockFocus]; // 3 // [myTableViewOutlet viewWillDraw]; // 4 // [myTableViewOutlet lockFocus]; [myTableViewOutlet drawRect:[myTableViewOutlet bounds]]; [myTableViewOutlet unlockFocus]; // 5 // [[myTableViewOutlet superview] setNeedsDisplay:YES]; // 6 // [myTableViewOutlet lockFocus]; // NSRect myTableViewNewRowRect = [myTableViewOutlet rectOfRow:([myTableViewOutlet numberOfRows]-1)]; // [myTableViewOutlet drawRow:([myTableViewOutlet numberOfRows]-1) clipRect:myTableViewNewRowRect]; // [myTableViewOutlet unlockFocus]; // 7 // [myTableViewOutlet scrollRowToVisible:([myTableViewOutlet numberOfRows]-1)]; Any hints on how to make this view update itself on command. I realize its deferred updating is probably the result of the runtime trying to be efficient, but these new object events only occur about once every 5 minutes, and the end user is not going to understand why none appear for a while, then a whole bunch suddenly pop into view when they move the mouse. Thanks! -Dan___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
RE: How can I make an NSTableView update its display on command?
Sorry. It was NOT the NSTableView's problem. I neglected to add: [[self managedObjectContext] processPendingChanges]; after the NSManagedObject was created. Please disregard the previous post. Best Regards, Dan ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
IPhone app passing info into Desktop app
Good Morning developers, Does anyone know of an example that has an iPhone app passing information to a desktop app? Could this be done with CoreData or should I be looking into a webview based app? Kind Regards and Happy Coding, Chad Eubanks Sent from my iPhone ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: UITextfield print to NSLog
Yandy,
Thank you for the response and info but can you please elaborate a
little more. Would NSLog be in my
-(void)viewdidbeginediting {
}
???
Chad Eubanks
Sent from my iPhone
On Dec 25, 2009, at 11:52 PM, Yandy Ramirez yan...@gmail.com wrote:
Assuming your UITextField is an IBOutlet, simple way:
NSLog(@%@, self.myTextField.text);
you can also implement the UITextFieldDelegate and pass the
textField value as you begin editing, once it's done editing and so
forth.
--
yandy
On Fri, Dec 25, 2009 at 6:49 PM, Chad Eubanks
chadcreat...@gmail.com wrote:
Hello,
I'm working on an iPhone app and need help passing entered text from
a UITextfield into NSLog. Any thoughts?
Happy Holidays,
Chad Eubanks
Sent from my iPhone
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Re: UITextfield print to NSLog
On Dec 26, 2009, at 6:58 AM, Chad Eubanks wrote:
Yandy,
Thank you for the response and info but can you please elaborate a little
more. Would NSLog be in my
-(void)viewdidbeginediting {
}
Hard to know where you should put it, since you don't tell us what you are
trying to accomplish. If you want to print the text in a text view, Yandy has
told you how – but where you put it will depend on what your purpose for
printing it is in the first place
--
David Duncan
Apple DTS Animation and Printing
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Core Data Fetch Invariance
Objects in a persistent store are unordered. If I fetch the objects, change nothing in the store, then fetch them again, do the two fetches give me the objects in the same order? --Richard ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Core Data Fetch Invariance
On Dec 26, 2009, at 9:38 AM, Richard Somers wrote: Objects in a persistent store are unordered. If I fetch the objects, change nothing in the store, then fetch them again, do the two fetches give me the objects in the same order? Maybe. Behavior is undefined. b.bum ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Core Data Fetch Invariance
Your first comment was correct; they are unordered. The fact that they may come back in the same order is not guaranteed by the API. Therefore, if you need ordering, add an attribute to the core data object to do so. Greg On Dec 27, 2009, at 1:38 AM, Richard Somers wrote: Objects in a persistent store are unordered. If I fetch the objects, change nothing in the store, then fetch them again, do the two fetches give me the objects in the same order? --Richard ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/gdr3941%40mac.com This email sent to gdr3...@mac.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: IPhone app passing info into Desktop app
On 26 Dec 2009, at 06:54, Chad Eubanks wrote: Does anyone know of an example that has an iPhone app passing information to a desktop app? Could this be done with CoreData or should I be looking into a webview based app? Neither CoreData nor WebView are appropriate technologies for what you're describing. CoreData's purpose is managing object graphs, and WebView's purpose is displaying web pages. Neither one is particularly proficient at contacting a remote system and transferring data*. Depending on what you're wanting to do here, you'll probably want to look into either Sync Services or Bonjour / sockets. (*: While WebView superficially fits the bill, it's the wrong approach entirely.)___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Source List Indentation Drawing Issue
Howdy, I have been having a hard time trying to track down information on this issue, mostly because its a rather difficult to describe. The best summary I can give is that if you set an NSOutlineView to have the source list highlight style, and expand a node that contains a node with children, the indentation of all currently expanded nodes shifts. If the node is collapsed, the indentation is shifted back to its original spacing. At first I thought I was doing something wrong, but even Apple's SourceView example has this issue. Any information on this issue would be greatly appreciated. Cheers, Carmen Video Description of the Problem: http://screencast.com/t/MzA5ZWFm ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Dynamically update drawRect
Hello,
I'm trying to write simple application with Core Graphics. My code:
@implementation MyView
- (id)initWithFrame:(NSRect)frameRect
{
self = [super initWithFrame:frameRect];
return self;
}
- (void)drawRect:(NSRect)rect
{
myContext = [[NSGraphicsContext currentContext]graphicsPort];
CGContextSetRGBFillColor (myContext, 1, 0, 0, 1);// 3
CGContextFillRect (myContext, CGRectMake (0, 0, 200, 100 ));// 4
}
- (void) dealloc
{
[super dealloc];
}
I have two classes. One for internet connection(program logic) and one to
display graphics(i posted code). And i want to call drawRect from another
class and pass some data to drawRect method. Seems like drawRect method is
just for static graphics. Does there's any possibility to do it ? Any
examples ?
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Re: n00b Q re: AppController
On 25/12/2009, at 10:00 AM, David Duncan wrote: In Objective-C all classes share a namespace, so if two binary images are loaded into the same address space, and use the same class name, then one of the two classes will be used. If all of these AppControllers share the same functionality, then you probably won't have any issues (for now) but if all of your plugins do implement this class to the same function, then you should probably abstract them all into a common framework that all of these plugins load instead. ...or at the very least, change the class names of the AppController classes in each plug-in so they don't have the same name. AppController is a poor name for the main class of a plug-in anyway, as it is nothing of the sort. BurnerController and ProducerController would be possibilities in this case. -- Rob Keniger ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dynamically update drawRect
DrawRect is not called directly by you - instead, you use setNeedsDisplayInRect: and setNeedsDisplay: to tell the system the dirty rect to redraw, and those rects are combined before the system locks focus on your view and calls drawRect:/ You therefore can't pass information to your drawing method - you have to use the state information you set in your program to work out how to draw the rects you need to draw. HTH Gideon I have two classes. One for internet connection(program logic) and one to display graphics(i posted code). And i want to call drawRect from another class and pass some data to drawRect method. Seems like drawRect method is just for static graphics. Does there's any possibility to do it ? Any examples ? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
dragging to trash folder problems
i've implemented -draggedImage:endedAt:operation: and i check if the operation is an NSDragOperationDelete to detect drags to the trash, and if so, i then appropriately delete the dragged object from my app's document. this all works fine as long as the user drags the object to the trash icon in the dock. however, if the user drags an object to the trash icon, and then subsequently drags to and drops on the (popped) opened trash folder, i no longer receive the NSDragOperationDelete operation in -draggedImage:endedAt:operation: and hence cannot detect that this should actually be a delete and the opened trash folder remains open on the desktop. not only that, but if the user drops in the (pop) opened trash folder, since i don't perform the delete, the user can again drag the same object to the trash icon in the dock and this opens a second trash folder. this can be repeated many times, resulting in many opened trash folders on the desktop. my questions: 1) how can i detect that the user dropped into a (popped) opened trash folder? 2) is the behavior of (popping) open multiple instances of the trash folder a (known) bug? this is on leopard 10.5.8. ken ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Source List Indentation Drawing Issue
On Dec 26, 2009, at 12:42, Carmen Cerino Jr. wrote: I have been having a hard time trying to track down information on this issue, mostly because its a rather difficult to describe. The best summary I can give is that if you set an NSOutlineView to have the source list highlight style, and expand a node that contains a node with children, the indentation of all currently expanded nodes shifts. If the node is collapsed, the indentation is shifted back to its original spacing. At first I thought I was doing something wrong, but even Apple's SourceView example has this issue. Any information on this issue would be greatly appreciated. What it's doing in your video seems very logical. If any of the items at the next level are expandable, all items at that level move over so that their text and icons still line up vertically when the expandable items' disclosure triangles are drawn. Seems like the only other alternatives would be: 1. To *always* leave room for sub-item disclosure triangles, even when none are shown, so that there would be wasted blank space. 2. To let the icons/text of the sub-items not align vertically, depending on whether they were expandable or not. Each of those alternatives would have its own set of objections. If you must change the default behavior (which I wouldn't recommend doing just because you don't like it, since consistency with other apps is probably more beneficial to your users) you might be able to control it by overriding '-[NSOutlineView frameOfOutlineCellAtRow:]', or possibly even by using a different value for the indentationMarkerFollowsCell property. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dynamically update drawRect
On Dec 26, 2009, at 13:58, Gideon King wrote: DrawRect is not called directly by you - instead, you use setNeedsDisplayInRect: and setNeedsDisplay: to tell the system the dirty rect to redraw, and those rects are combined before the system locks focus on your view and calls drawRect:/ You therefore can't pass information to your drawing method - you have to use the state information you set in your program to work out how to draw the rects you need to draw. HTH Gideon I have two classes. One for internet connection(program logic) and one to display graphics(i posted code). And i want to call drawRect from another class and pass some data to drawRect method. Seems like drawRect method is just for static graphics. Does there's any possibility to do it ? Any examples ? In any case, it seems like short-sighted design to have a view's drawing methods called directly by another class (even if the concept made sense in the Cocoa scheme of things). Rather, provide a method for other classes to call that specifies their rect of interest and other parameters, and have that method decide how to get things drawn accordingly. This might be as simple as stashing the parameters in instance variables and invoking '[self setNeedsDisplayInRect: suppliedRect]', but might also get more sophisticated if there might be *multiple* invocations before drawing actually occurs, in which case you'd have to decide how to resolve the various sets of possibly conflicting parameters, right? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Compile errors with Objective-C++ properties as STL/TR1 smart pointers
I'm running into a issue using STL/TR1 smart pointers with Objective-C++
properties that I think is a bug, and I wanted to get some feedback before I
submitted any bug report.
The following code:
#import Cocoa/Cocoa.h
#import tr1/memory
class Value
{
public:
explicit Value(int amount) : m_amount(amount){}
int GetAmount() const { return m_amount; }
private:
int m_amount;
};
typedef std::tr1::shared_ptrValue ValuePtr;
@interface ValueUser : NSObject
{
@private
ValuePtr* _valuePtr;
}
- (id)initWithValue:(ValuePtr)valuePtr;
@property ValuePtr value;
@end
@implementation ValueUser
- (id)initWithValue:(ValuePtr)valuePtr
{
self = [super init];
_valuePtr = new ValuePtr(valuePtr);
return self;
}
- (void)setValue:(ValuePtr)valuePtr
{
*_valuePtr = valuePtr;
}
- (ValuePtr)value
{
return *_valuePtr;
}
- (void)dealloc
{
delete _valuePtr;
[super dealloc];
}
@end
int main()
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
ValuePtr valuePtr(new Value(42));
ValueUser* valueUser = [[ValueUser alloc] initWithValue:valuePtr];
::NSLog(@The value's amount is %d, valueUser.value-GetAmount());
[valueUser release];
[pool release];
return 0;
}
will produce these errors on the line in the main function containing the NSLog
call:
error: lvalue required as unary ‘’ operand
error: base operand of ‘-’ has non-pointer type ‘ValuePtr’
If I replace the line with:
::NSLog(@The value's amount is %d, [valueUser value]-GetAmount());
Everything compiles successfully. What is the reason the '.' syntax will not
work in this instance?
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Re: Compile errors with Objective-C++ properties as STL/TR1 smart pointers
It's probably just a parsing thing, have you tried:
::NSLog(@The value's amount is %d, (valueUser.value)-GetAmount());
?
On 27/12/2009, at 11:20 , Tron Thomas wrote:
I'm running into a issue using STL/TR1 smart pointers with Objective-C++
properties that I think is a bug, and I wanted to get some feedback before I
submitted any bug report.
The following code:
#import Cocoa/Cocoa.h
#import tr1/memory
class Value
{
public:
explicit Value(int amount) : m_amount(amount){}
int GetAmount() const { return m_amount; }
private:
int m_amount;
};
typedef std::tr1::shared_ptrValue ValuePtr;
@interface ValueUser : NSObject
{
@private
ValuePtr* _valuePtr;
}
- (id)initWithValue:(ValuePtr)valuePtr;
@property ValuePtr value;
@end
@implementation ValueUser
- (id)initWithValue:(ValuePtr)valuePtr
{
self = [super init];
_valuePtr = new ValuePtr(valuePtr);
return self;
}
- (void)setValue:(ValuePtr)valuePtr
{
*_valuePtr = valuePtr;
}
- (ValuePtr)value
{
return *_valuePtr;
}
- (void)dealloc
{
delete _valuePtr;
[super dealloc];
}
@end
int main()
{
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
ValuePtr valuePtr(new Value(42));
ValueUser* valueUser = [[ValueUser alloc] initWithValue:valuePtr];
::NSLog(@The value's amount is %d, valueUser.value-GetAmount());
[valueUser release];
[pool release];
return 0;
}
will produce these errors on the line in the main function containing the
NSLog call:
error: lvalue required as unary ‘’ operand
error: base operand of ‘-’ has non-pointer type ‘ValuePtr’
If I replace the line with:
::NSLog(@The value's amount is %d, [valueUser value]-GetAmount());
Everything compiles successfully. What is the reason the '.' syntax will not
work in this instance?
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Re: UITextfield print to NSLog
Assuming your UITextField is an IBOutlet, simple way: NSLog(@%@, self.myTextField.text); you can also implement the UITextFieldDelegate and pass the textField value as you begin editing, once it's done editing and so forth. -- yandy On Fri, Dec 25, 2009 at 6:49 PM, Chad Eubanks chadcreat...@gmail.comwrote: Hello, I'm working on an iPhone app and need help passing entered text from a UITextfield into NSLog. Any thoughts? Happy Holidays, Chad Eubanks Sent from my iPhone ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/yandyr%40gmail.com This email sent to yan...@gmail.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: UITextfield print to NSLog
+1 on this, it's completely up to you where you want to put it.
--
yandy
On Sat, Dec 26, 2009 at 10:01 AM, David Duncan david.dun...@apple.comwrote:
On Dec 26, 2009, at 6:58 AM, Chad Eubanks wrote:
Yandy,
Thank you for the response and info but can you please elaborate a little
more. Would NSLog be in my
-(void)viewdidbeginediting {
}
Hard to know where you should put it, since you don't tell us what you are
trying to accomplish. If you want to print the text in a text view, Yandy
has told you how – but where you put it will depend on what your purpose for
printing it is in the first place
--
David Duncan
Apple DTS Animation and Printing
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Re: dragging to trash folder problems
On Sat, Dec 26, 2009 at 5:24 PM, kvic...@pobox.com kvic...@pobox.com wrote: however, if the user drags an object to the trash icon, and then subsequently drags to and drops on the (popped) opened trash folder, i no longer receive the NSDragOperationDelete operation in -draggedImage:endedAt:operation: and hence cannot detect that this should actually be a delete and the opened trash folder remains open on the desktop. This sounds like a bug. You should file it at http://bugreport.apple.com. If the Dock is going to report a drag-to-Trash as a delete operation, then the Finder should report a drag-to-Trash-folder as a delete operation as well. 1) how can i detect that the user dropped into a (popped) opened trash folder? If you are able to drag to a folder at all, you must be providing a file or a promise pasteboard item. In that case, you should be able to tell if the destination folder is a Trash folder (either NSWorkspace or some Carbon API). Then you can perform the delete. Safari 4.0.4 is able to handle dragging bookmarks bar items to the Trash icon in the dock as well as to a springloaded Trash folder window. 2) is the behavior of (popping) open multiple instances of the trash folder a (known) bug? I don't think this is a bug, for the same reason that I can pop open multiple instances of any other folder. This might not be expected behavior for someone used to the pre-OS X Finder, but it seems pretty consistent with the non-spatial OS X Finder. --Kyle Sluder ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
[iPhone] Refreshing a UITableView in a UINavigationController...
Hi all,
I have a navigation controller based app consisting mostly of table views.
Table View 1 moves you to Table View 2 when you select a row.
When you return from Table View 2, Table View 1 needs to be updated to show the
changes made.
There is no fetchedResultsController for Table View 1.
I know that Table View 1 will need to be update 90% of the time.
I've done the following in Table View 1's controller:
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
if( self.beenHereBefore )
[self.tableView reloadData];
self.beenHereBefore = YES;
}
This solution seems to work.
My question is, is this the best way to do this and is this the best method to
do it in?
Perhaps viewWillAppear is better?
Perhaps reloadData before calling super?
Thanks.
___
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Strange Problems with IBPlugin
Hello! Thanks in advance, I know this is a lot to ask. I am working on a framework of custom classes for my own personal use, and it was going very well until I started to work on the Interface Builder plugin part. Download the non-working code here http://c.zcr.me/7aBcU. I have think that I have done everything necessary to make my plugin work so far (I know I haven't programmed the backend of the inspector palette, but that shouldn't prevent it from working. I would really appreciate it if someone could look at the code and see what is causing my problems, as I am completely stumped. The problem right now is that when I hit Build and Go in XCode, IB launches but never gets past the bouncing stage. It freezes up and doesn't continue. When I try to load the plugin normally, it gives me this alerthttp://c.zcr.me/7aE2E. I searched about that error, and the only people online that talk about it are people that messed up the linking of the framework, and in all of their cases, the plugin worked fine thru XCode. Again, thank you for any help you can provide, I know this isn't convenient. Sincerely, Carter Allen ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Having problems understanding NSPredicateEditor
I have an application that contains a NSTableView of Card data types. The NSTableView gets its data from an NSArray of Card instances. I want to allow the user to be able to filter the view based on the Card fields. I know I need to use a NSPredicateEditor to present the UI for the user, and to create the NSPredicate instances. However, I cannot wrap my head around how this works, and cannot get a simple example working (with a single rule). I have spent the last two days reading up on it, and it is just not clicking for me. So, does anyone have a very simple example of how to use NSPredicateEditor programmatically? I want to be able to allow the user to potentially filter on multiple fields, but would be happy if I can get a single field to work right now. Here is the current predicate I am using with a NSSearchField: NSPredicate *namePredicate = [NSPredicate predicateWithFormat:@cardName contains[c] %@, searchString]; [filteredCards filterUsingPredicate:namePredicate]; Card has a property (NSString) named cardName. I have tried to programmatically add a NSPredicateEditorRowTemplate, but when I do this, nothing shows up in the editor at runtime. NSPredicateEditorRowTemplate *template = [[NSPredicateEditorRowTemplate alloc] initWithLeftExpressions:[NSArray arrayWithObjects:[NSExpression expressionForKeyPath:@cardName], nil] rightExpressions:[NSArray arrayWithObjects:[NSExpression expressionForConstantValue:@Foo], nil] modifier:NSDirectPredicateModifier operators:[NSArray arrayWithObject:[NSNumber numberWithInt:NSContainsPredicateOperatorType]] options:NSCaseInsensitivePredicateOption ]; predicateEditor.rowTemplates = [NSArray arrayWithObject:template]; I am really stumped on this one, and would appreciate it if someone could help nudge me in the right direction. Does anyone have a simple example of how to construct NSPredicateEditorRowTemplate that will create a filter like so: cardName contains USER_INPUT I think if I can get that working, then it will put me over the hump and I can figure out the rest. mike ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: [iPhone] Refreshing a UITableView in a UINavigationController...
Depends on what you want for your app. If you want the user to see the
table data change then keep it the way it is. If you'd rather the
change occur out of view use viewWillAppear:
Luke
Sent from my iPhone.
On Dec 26, 2009, at 8:31 PM, Brian Bruinewoud br...@darknova.com
wrote:
Hi all,
I have a navigation controller based app consisting mostly of table
views.
Table View 1 moves you to Table View 2 when you select a row.
When you return from Table View 2, Table View 1 needs to be updated
to show the changes made.
There is no fetchedResultsController for Table View 1.
I know that Table View 1 will need to be update 90% of the time.
I've done the following in Table View 1's controller:
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
if( self.beenHereBefore )
[self.tableView reloadData];
self.beenHereBefore = YES;
}
This solution seems to work.
My question is, is this the best way to do this and is this the best
method to do it in?
Perhaps viewWillAppear is better?
Perhaps reloadData before calling super?
Thanks.
___
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This email sent to luket...@apple.com
___
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Re: Compile errors with Objective-C++ properties as STL/TR1 smart pointers
I tried (valueUser.value)-GetAmount()) and I still get the same errors. Date: Sun, 27 Dec 2009 11:47:35 +1100 From: Brian Bruinewoudbr...@darknova.com Subject: Re: Compile errors with Objective-C++ properties as STL/TR1 smart pointers To: undisclosed-recipients: ; Cc: cocoa-dev@lists.apple.com Message-ID:bff7a0e2-640d-4407-bcde-38fc06046...@darknova.com Content-Type: text/plain; charset=windows-1252 It's probably just a parsing thing, have you tried: ::NSLog(@The value's amount is %d, (valueUser.value)-GetAmount()); ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
