Document context
Hi, I am little confused with the method + (id)elementWithName:(NSString *)name in NSXMLNode. Is this method will create a new node with in the current document context or outside of any document context?. In the Xcode documentation, apple didn't mention about the document context. - Apparao Mulpuri. ___ 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 [EMAIL PROTECTED]
Re: Document context
On Sep 19, 2008, at 12:05 AM, Apparao Mulpuri wrote: Hi, I am little confused with the method + (id)elementWithName:(NSString *)name in NSXMLNode. Is this method will create a new node with in the current document context or outside of any document context?. In the Xcode documentation, apple didn't mention about the document context. - Apparao Mulpuri. Outside of any document. You will get an NSXMLElement with no parent. --Nathan ___ 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 [EMAIL PROTECTED]
Re: fullscreen quicktime across multiple monitors
wow that looks perfect thanks.. On 19 Sep 2008, at 05:10, John C. Randolph wrote: On Sep 17, 2008, at 12:03 PM, Memo Akten wrote: Hi All, I'd like to create a little app the runs a quicktime movie (prores) fullscreen across multiple monitors. I think I can figure out the QTKit stuff, but couldn't find upto date documentation on going fullscreen. I've found some code snippets to do it, but they are all pre-leopard and I have a feeling that its a bit more straightforward on leopard (i'm hoping). Can anyone point me in the right direction? (or has this already been done?) Its for personal use and not distribution so min specs 10.5.5 etc. is fine. Leopard introduced a new API for this. See NSView's enterFullScreenMode:withOptions: method. -jcr ___ 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 [EMAIL PROTECTED]
Re: Core data in private framework.
On Sep 18, 2008, at 8:41 PM, Scott Andrew wrote: I have a question. We are designing a private frame work to wrap our data handling. The framework is using Core Data with an SQL back end. However we get errors when loading data if the model file is not included in the application and is just in the framework. I looked through the docs and couldn't find any help. Are there any tricks to having the data model file (.mom) exist in the private framework and not in the application's resources? We would like the data class to be used across applications by just including the framework. There's nothing special about where a data model is located. Core Data will use all of the models in your main bundle's Resources directory if you use +[NSManagedObjectModel mergedModelFromBundles:] and pass it nil. That's a convenience, you don't have to use that API. You can just construct a URL containing a file path to the model, e.g. using -[NSBundle pathForResource:ofType:] (on your framework's bundle) and +[NSURL fileURLWithPath:isDirectory:], and use - [NSManagedObjectModel initWithContentsOfURL:] to initialize a model that you +alloc. -- Chris ___ 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 [EMAIL PROTECTED]
Re: fullscreen quicktime across multiple monitors
THanks, i'll look in to all that.. though I think for now NSView enterFullScreenMode:withOptions: may be quite good On 19 Sep 2008, at 05:13, Michael Ash wrote: On Wed, Sep 17, 2008 at 3:03 PM, Memo Akten [EMAIL PROTECTED] wrote: Hi All, I'd like to create a little app the runs a quicktime movie (prores) fullscreen across multiple monitors. I think I can figure out the QTKit stuff, but couldn't find upto date documentation on going fullscreen. I've found some code snippets to do it, but they are all pre-leopard and I have a feeling that its a bit more straightforward on leopard (i'm hoping). Can anyone point me in the right direction? (or has this already been done?) Its for personal use and not distribution so min specs 10.5.5 etc. is fine. Fullscreen just means that you cover the entire screen with your window. In this case, covering all screens. There's no need for a special API (although special APIs are available), just make a standard NSWindow, set its frame to cover all the screens, make sure that it contains what you want, and you're good. For more specific guidance, NSScreen can be used to find out where all the screens are, NSBorderlessWindowMask will give you a window with no title bar or other distracting decorations, and NSApplicationDidChangeScreenParametersNotification will tell you if the configuration of the screens changed so you can re-position your window. 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/memo%40memo.tv This email sent to [EMAIL PROTECTED] ___ 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 [EMAIL PROTECTED]
UIElement app doesn't come to front
I want to create a very simple little app that launches a window at startup, and then runs in the background with no dock and menu. I've created the app as a standard cocoa app, extending NSApplication overriding init (set delegate to self) and applicationDidFinishLaunching to setup a timer (and applicationWillTerminate to cleanup) - I've also set 'Application is agent' to true in Info.plist. When I start the app from Xcode, my window opens, when I close it the window dissappears and my app carries on running in the background as expected. But when i run the app from finder, my window appears at the very back of all other windows so isn't visible, how can I fix this? ___ 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 [EMAIL PROTECTED]
Re: Differences between -isEqual: and -isEqualTo:?
you [...] aren't allowed to mutate objects that are in collections Where is that documented? I've been doing this without consideration and nothing's blown up yet. How is a method to know if an object it's been passed is in a collection? Equally how are you to know if a method is going to mutate an object's properties? You simply can't determine either situation conclusively. If this is so fundamental, why haven't I been tripped up by it? Keith Duncan [EMAIL PROTECTED], 33software.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 [EMAIL PROTECTED]
Deleting Alias
Hi, I've tried using removeFileAtPath to delete an alias in the users home folder, but this doesn't work - it deletes any other file, just not aliases. I can't seem to find another method that will do the job. Any help or advice to resolve this would be greatly appreciated. Kind Regards Dave Promethean Limited is a company registered in England and Wales with company number 1308938 and VAT number GB 572 2599 18 __ Promethean Ltd and or associated and or subsidiary companies : The views expressed in this communication may not necessarily be the views held by Promethean Ltd and or associated and or subsidiary companies. This e-mail is for the exclusive use of the addressee(s). Unauthorised disclosure, copying or distribution is prohibited. This e-mail message has been swept for the presence of computer viruses. Promethean Ltd and or associated and or subsidiary companies accepts no liability for any loss resulting from this email transmission. Promethean, Promethean House, Lower Philips Road, Blackburn, Lancashire, BB1 5TH, UK. Please update your records accordingly. Thank you! * This email has been checked by the e-Sweeper Service * ___ 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 [EMAIL PROTECTED]
Re: UIElement app doesn't come to front
Try [NSApp activateIgnoringOtherApps:YES]; HTH. On Fri, Sep 19, 2008 at 12:28 PM, Memo Akten [EMAIL PROTECTED] wrote: I want to create a very simple little app that launches a window at startup, and then runs in the background with no dock and menu. I've created the app as a standard cocoa app, extending NSApplication overriding init (set delegate to self) and applicationDidFinishLaunching to setup a timer (and applicationWillTerminate to cleanup) - I've also set 'Application is agent' to true in Info.plist. When I start the app from Xcode, my window opens, when I close it the window dissappears and my app carries on running in the background as expected. But when i run the app from finder, my window appears at the very back of all other windows so isn't visible, how can I fix this? ___ 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/slasktrattenator%40gmail.com This email sent to [EMAIL PROTECTED] ___ 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 [EMAIL PROTECTED]
Re: UIElement app doesn't come to front
thanks, that did it... On 19 Sep 2008, at 15:18, Fabian wrote: Try [NSApp activateIgnoringOtherApps:YES]; HTH. On Fri, Sep 19, 2008 at 12:28 PM, Memo Akten [EMAIL PROTECTED] wrote: I want to create a very simple little app that launches a window at startup, and then runs in the background with no dock and menu. I've created the app as a standard cocoa app, extending NSApplication overriding init (set delegate to self) and applicationDidFinishLaunching to setup a timer (and applicationWillTerminate to cleanup) - I've also set 'Application is agent' to true in Info.plist. When I start the app from Xcode, my window opens, when I close it the window dissappears and my app carries on running in the background as expected. But when i run the app from finder, my window appears at the very back of all other windows so isn't visible, how can I fix this? ___ 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/slasktrattenator%40gmail.com This email sent to [EMAIL PROTECTED] ___ 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 [EMAIL PROTECTED]
How to hide disclosure triangle in NSOutlineView [10.5]?
Hi All, I have an outline view connected to a tree controller and I want to hide the disclosure triangle. I know that there is a data source delegate method, - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item, but when I make my controller the data source of the outline view and implement that method, it is never called. I am running in Leopard and I suspect that because I'm using bindings that the tree controller is the data source. Any tips on how to hide the disclosure triangle but still allow children? Thanks a lot Marc ___ 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 [EMAIL PROTECTED]
Re: How to hide disclosure triangle in NSOutlineView [10.5]?
On Sep 19, 2008, at 7:58 AM, Marc Respass wrote: Hi All, I have an outline view connected to a tree controller and I want to hide the disclosure triangle. I know that there is a data source delegate method, - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item, but when I make my controller the data source of the outline view and implement that method, it is never called. I am running in Leopard and I suspect that because I'm using bindings that the tree controller is the data source. Yes -- it is because you are using bindings. Any tips on how to hide the disclosure triangle but still allow children? Yes! it's very easy. Here's a good section to read: http://developer.apple.com/releasenotes/Cocoa/AppKit.html#NSTableView And the part you want: To not show a disclosure triangle, override - frameOfOutlineCellAtRow: and return an empty rect. corbin ___ 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 [EMAIL PROTECTED]
NSTextView not always accepting a Favorite style from NSFontPanel
I am struggling with a puzzling problem involving an NSTextView and the Favorites list in the NSFontPanel. I'm hoping someone on the list has seen something like this before and/or can offer any pointers. My program is a document-based application with a main document window that includes an NSTextView. [Technically it is a subclass of NSTextView, but I have substituted an actual NSTextView without changing the behavior.] I load some rich text from an RTF file into my NSTextView, and select some text whose font has the bold or underlined trait (e.g., Helvetica-Bold). I open the font panel and click on a style from the Favorites list (e.g. Impact). If I do this, the style of the text in the NSTextView does *not* appear to change. If, however, I initially select text that does *not* have the bold or underlined trait (e.g., plain Helvetica), the selected style *is* correctly applied to my text as well. If I perform the same steps in TextEdit, it behaves as I expect: the text font is replaced by the selected style from the font panel, regardless of the original font of the text. I used some method swizzling to break into the changeFont: method of the text view and insert some additional debugging code. I am able to get the selected text's NSFont and send it directly to the NSFontManager's convertFont: method. If the selected text's NSFont is Helvetica-Bold, I get Helvetica-Bold back; if it is plain Helvetica, I get Impact back. If I manually strip the bold trait from the Helvetica-Bold font, giving me a plain Helvetica, and send *that* to the NSFontManager, I still get Helvetica-Bold back. I see analogous behavior if I select italic text, in that I get Helvetica-Oblique back from the NSFontManager. I also see the same thing if I send the font to the font panel for conversion (via panelConvertFont:). It is as if I'm getting back the font panel's represention of the currently selected font in my text, instead of the font I click in the Favorites list -- but only if that font has a bold or italic trait. Finally, selecting an item from the Recently Used list produces the same anamolous behavior as the Favorites list. I am at a loss to explain this. Clearly there must be some difference in the context of my program, compared to TextEdit, but I have been unable to determine what that is. I inherited this code base from another developer, and there are some oddities in the coding style, but I have not found anything relating to the font panel or text system that would explain this difference in behavior. (My program is normally built against the 10.3.9 SDK, but changing it to the 10.5 SDK to match TextEdit does not alter the behavior either.) Has anyone seen this kind of behavior before, or has any kind of insight into where I might look? I'm running out of ideas and any suggestions would be appreciated. Thanks -- Russell ___ 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 [EMAIL PROTECTED]
Re: Weird Error
On Sep 19, 2008, at 11:18 AM, development2 wrote: Ok I hope someone can help me. I need to get this working. Here is what I am doing. I have a class called Object, it is set up like this: Object is the root object defined by the Objective-C language. (NSObject is typically the root object used by the Cocoa frameworks.) /usr/include/objc/Object.h Don't redefine it. Use a different name for your class. Jim ___ 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 [EMAIL PROTECTED]
Re: Weird Error
--- On Fri, 9/19/08, development2 [EMAIL PROTECTED] wrote: // in here we need to gets the info out of the dictioanary and into the object Why would you bother including your entire header file and boilerplate code and then edit out the part where the error occurs? That's just...backwards. Anyway, it sounds like you just need to check for nil. Cheers, Chuck ___ 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 [EMAIL PROTECTED]
RE: Deleting Alias
Hi, just in case anybody else notices similar behaviour - I called removeFileAtPath if an fileExistsAtPath check on the alias evaluated to true - BUT fileExistsAtPath method only returns true on an alias if the original file / app is present. The removeFileAtPath method on its own will quite happily delete an alias whether the original file is present or not AFAIK. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] om] On Behalf Of Glover,David Sent: 19 September 2008 11:36 To: Cocoa Development Subject: Deleting Alias Hi, I've tried using removeFileAtPath to delete an alias in the users home folder, but this doesn't work - it deletes any other file, just not aliases. I can't seem to find another method that will do the job. Any help or advice to resolve this would be greatly appreciated. Kind Regards Dave Promethean Limited is a company registered in England and Wales with company number 1308938 and VAT number GB 572 2599 18 __ Promethean Ltd and or associated and or subsidiary companies : The views expressed in this communication may not necessarily be the views held by Promethean Ltd and or associated and or subsidiary companies. This e-mail is for the exclusive use of the addressee(s). Unauthorised disclosure, copying or distribution is prohibited. This e-mail message has been swept for the presence of computer viruses. Promethean Ltd and or associated and or subsidiary companies accepts no liability for any loss resulting from this email transmission. Promethean, Promethean House, Lower Philips Road, Blackburn, Lancashire, BB1 5TH, UK. Please update your records accordingly. Thank you! * This email has been checked by the e-Sweeper Service * ___ 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/david.glover%40promethe anworld.com This email sent to [EMAIL PROTECTED] * This email has been checked by the e-Sweeper Service * ___ 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 [EMAIL PROTECTED]
Re: fullscreen quicktime across multiple monitors
It does, doesn't it. However, it has lots of little problems, and is only really useful for the simplest of cases. Search the list archives for enterFullScreenMode. On 9/19/08 9:42 AM, Memo Akten said: wow that looks perfect thanks.. On 19 Sep 2008, at 05:10, John C. Randolph wrote: On Sep 17, 2008, at 12:03 PM, Memo Akten wrote: Hi All, I'd like to create a little app the runs a quicktime movie (prores) fullscreen across multiple monitors. I think I can figure out the QTKit stuff, but couldn't find upto date documentation on going fullscreen. I've found some code snippets to do it, but they are all pre-leopard and I have a feeling that its a bit more straightforward on leopard (i'm hoping). Can anyone point me in the right direction? (or has this already been done?) Its for personal use and not distribution so min specs 10.5.5 etc. is fine. Leopard introduced a new API for this. See NSView's enterFullScreenMode:withOptions: method. -- Sean McBride, B. Eng [EMAIL PROTECTED] Rogue Researchwww.rogue-research.com Mac Software Developer Montréal, Québec, Canada ___ 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 [EMAIL PROTECTED]
NSFetchRequest
Hi, List, I have a core data model with 4 entities (viz. Person,Company,Bank and Address) each entity has an attribute ID which is of kind NSString. Now, what i want to do is i already have an ID and i want to find a managedObject with matching ID. What i do right now is i create an NSFetchRequest for each entity type (Person,Bank...) and execute each of them. So i end up executing 4 fetch requests, one for each entity. Is there any way to create a single NSFetchRequest which will search for the ID in all the entities? Thanks, Chaitanya ___ 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 [EMAIL PROTECTED]
Re: How to hide disclosure triangle in NSOutlineView [10.5]?
What you can do is create an image which has nothing i.e is
transparent and use the following method to set it as the image of
disclosure triangle
- (void)outlineView:(NSOutlineView *)outlineView
willDisplayOutlineCell:(id)cell forTableColumn:(NSTableColumn
*)tableColumn item:(id)item
{
[cell setImage:[NSImage imageNamed:@myBlankImage.png]];
}
hth,
Chaitanya
On 19-Sep-08, at 8:28 PM, Marc Respass wrote:
Hi All,
I have an outline view connected to a tree controller and I want to
hide the disclosure triangle. I know that there is a data source
delegate method, - (BOOL)outlineView:(NSOutlineView *)outlineView
isItemExpandable:(id)item, but when I make my controller the data
source of the outline view and implement that method, it is never
called. I am running in Leopard and I suspect that because I'm using
bindings that the tree controller is the data source.
Any tips on how to hide the disclosure triangle but still allow
children?
Thanks a lot
Marc
___
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Core Data adding new instance - creating relationship to existing instance
I'm trying to add new instances of some entities, I've got it adding new objects, and I can create new relationships to new related objects, but I can't work out how to connect a new instance to an existing instance of an entity, eg I have items with relationship to upcs and categories. I can add the new item, and set all the attributes, and new relationships to the new upcs that are also created, but I cannot create the new relationship to an existing category. The Category Entity has an attribute called name that I want to match to an NSString I am assuming that I would actually set the relationship in the usual manner: NSManagedObject *newItem = [NSEntityDescription insertNewObjectForEntityForName:@Item inManagedObjectContext:moc]; NSPredicate *catFind = [NSPredicate predicateWithFormat:@name like % @,categoryString]; NSFetchRequest *fetch=[[NSFetchRequest alloc] init]; [fetch setEntity:[NSEntityDescription entityForName:@Category inManagedObjectContext:moc]]; [fetch setPredicate:catFind]; NSArray *category = [moc executeFetchRequest:fetch error:nil]; [newItem setValue:[category objectAtIndex:0] forKey:@Category]; The problem is actually selecting the category, I have tried all manner of things, and I thought I needed a fetchRequest, but it just throws an error: -[NSCFArray objectAtIndex:]: index (0) beyond bounds (0) because there is nothing in the array? I'm aiming at 10.4 and using XCode 2.4.1 Can anyone help me? Many Thanks Amy ___ 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 [EMAIL PROTECTED]
Re: Drawing an NSImage in a CALayer
Hey Brad, I re-read my message and realized I was a bit condescending in my comments. Not sure why I was over-stating things so much. I didn't think I was in a bad mood, but maybe I was. ;-) Anyhow, sorry about that. I'm interested in what you are doing here so I went ahead and wrote a bit of code. Take a look at my demo project here and let me know if this helps. http://www.matthew-long.com/download/ImageButtonLayer.zip -Matt p.s. I would defer to David Duncan on the CGImageRef creation overhead. I'm sure he's right. I just didn't have the time to try to get his code to work. ;-) On Sep 18, 2008, at 5:00 PM, Brad Gibbs wrote: On Sep 18, 2008, at 3:18 PM, Matt Long wrote: You've got some fundamental issues here. That doesn't surprise me... ___ 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 [EMAIL PROTECTED]
Re: How make a cocoa lib wich create a window ?
On Sep 18, 2008, at 11:38 PM, rouanet brice wrote: I work on a projetc where the executable haven't GUI but I can launch somme gui window with plugins. test - no gui application -plugin -triangle - this plugin display a triangle in a cocoa window -rectangle - this plugin display a rectangle in a cocoa window All plugins works in standolone applications, but when I launch test, I cant see the window. You need a couple of things. First, you will need to use TransformProcessType to turn your non-GUI process into a GUI process. Second, you will need to initialize an NSApplication and its connection to the window server. Read the class overview for NSApplication. You will also need to run the event loop somehow. Normally, this would be done using -[NSApplication run], but you may be able to get away with just -[NSApplication runModalForWindow:]. Cheers, 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 [EMAIL PROTECTED]
Re: Weird Error
Yep I figured it out. That was it. Just a stupid on my part. Thanks. On Sep 19, 2008, at 9:31 AM, Jim Correia wrote: On Sep 19, 2008, at 11:18 AM, development2 wrote: Ok I hope someone can help me. I need to get this working. Here is what I am doing. I have a class called Object, it is set up like this: Object is the root object defined by the Objective-C language. (NSObject is typically the root object used by the Cocoa frameworks.) /usr/include/objc/Object.h Don't redefine it. Use a different name for your class. Jim ___ 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 [EMAIL PROTECTED]
Re: Drawing an NSImage in a CALayer
On Sep 19, 2008, at 10:48 AM, Matt Long wrote:
p.s. I would defer to David Duncan on the CGImageRef creation
overhead. I'm sure he's right. I just didn't have the time to try to
get his code to work. ;-)
I forgot to set the current context :). More complete code here,
although this doesn't take the real resolution of the image into
account (-size returns a value in points, not pixels).
-(CGImageRef)nsImageToCGImageRef:(NSImage*)nsimage;
{
NSSize imageSize = [nsimage size];
CGColorSpaceRef genericRGB =
CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
CGContextRef context = CGBitmapContextCreate(NULL, imageSize.width,
imageSize.height, 8, 0, genericRGB, kCGImageAlphaPremultipliedFirst);
NSGraphicsContext *nsGraphicsContext = [NSGraphicsContext
graphicsContextWithGraphicsPort:context flipped:NO];
[NSGraphicsContext saveGraphicsState];
[NSGraphicsContext setCurrentContext:nsGraphicsContext];
[[NSColor yellowColor] setFill];
NSRectFill(NSMakeRect(0.0, 0.0, imageSize.width, imageSize.height));
[nsimage drawAtPoint:NSZeroPoint fromRect:NSZeroRect
operation:NSCompositeCopy fraction:1.0];
[NSGraphicsContext setCurrentContext:nsGraphicsContext];
CGImageRef image = CGBitmapContextCreateImage(context);
CFRelease(context);
return image;
}
--
David Duncan
Apple DTS Animation and Printing
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Re: Differences between -isEqual: and -isEqualTo:?
This is the gist of it, I think. NSArray and NSDictionary should be safe to store mutable objects, since they use an index or a key for storage position, and not the object (the value) itself. So (as I understand it): You *are* allowed to mutate objects in collections, but only if the object state doesn't determine storage position in the collection (NSArray/NSDictionary yes, NSSet no), or you can be sure the object's hash will not change (it probably will). (I may be repeating what's been said, but maybe it'll be a bit more clear?) On Sep 19, 2008, at 9:14 AM, Jim Correia wrote: On Sep 19, 2008, at 6:32 AM, Keith Duncan wrote: If this is so fundamental, why haven't I been tripped up by it? It is an edge case, but one worth knowing about. You have to be storing mutable objects in a collection whose internal storage position depends on the objects hash code. Jim ___ 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 [EMAIL PROTECTED]
File I/O
How can I read a file a line at a time (i.e. getline)? I'm trying to do this in a Cocoa Framework. Thanks, Jordon ___ 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 [EMAIL PROTECTED]
Re: File I/O
On Sep 19, 2008, at 3:15 PM, Jordon Hirshon wrote: How can I read a file a line at a time (i.e. getline)? I'm trying to do this in a Cocoa Framework. Try using NSFileHandle to read a file until a line feed is encountered. There's no built-in method of stopping at a character, but you could always read it in byte by byte. Nick Zitzmann http://www.chronosnet.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 [EMAIL PROTECTED]
Re: File I/O
On Fri, Sep 19, 2008 at 2:15 PM, Jordon Hirshon [EMAIL PROTECTED] wrote: How can I read a file a line at a time (i.e. getline)? I'm trying to do this in a Cocoa Framework. line in what sense? is this a text(ish) file? Anyway look at -[NSString getLineStart:end:contentsEnd:forRange:] and possibly NSScanner. -Shawn ___ 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 [EMAIL PROTECTED]
Re: File I/O
On Sep 19, 2008, at 17:20 , Nick Zitzmann wrote:
On Sep 19, 2008, at 3:15 PM, Jordon Hirshon wrote:
How can I read a file a line at a time (i.e. getline)? I'm trying
to do this in a Cocoa Framework.
Try using NSFileHandle to read a file until a line feed is
encountered. There's no built-in method of stopping at a character,
but you could always read it in byte by byte.
Or you could read the file into a string and split it with \n,
although Nick's method is probably more efficient:
NSError *error;
// use the proper encoding if it's not UTF-8
NSString *string = [[NSString alloc] initWithContentsOfFile:path
encoding:NSUTF8StringEncoding error:error];
if( !string ) { /* do something with the error */ }
NSArray *lines = [[string componentsSeparatedByString:@\n]
retain]; // assuming line terminator is \n for this file
[string release];
for( NSString *line in lines ) {
// process each line
}
[lines release];
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[Moderator] Re: Games for iPhone
On 18-Sep-08, at 6:36 PM, D.K. Johnston wrote: I've written a couple of cute little memory games. If anyone is interested in creating an iPhone interface for them, please contact me off-list. Two issues. First, the iPhone isn't to be discussed here. Period. Second, do not crosspost cocoa-dev with any other list. thanks scott [moderator] ___ 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 [EMAIL PROTECTED]
Constant NSArray Count
Hey,
I'm rather new to cocoa (and programming in general) and I'm working
on a core data project that uses a tab view to display different
attributes of an entry. I'm trying to code it so that if no items are
selected in the list it will display a tab, otherwise display a
different tab. I have this working as an IBAction but I want it to run
all the time so that it will control the tabs whenever the selection
count of the Array changes, how can I do this?
This is the IBAction that I want to run all the time:
-(IBAction)checkCount: sender;
{
NSArray *selectedObjects = [propertyTableController selectedObjects];
NSUInteger count = [selectedObjects count];
if (count == 0)
{
[newTabView selectTabViewItemWithIdentifier:@2];
}
else
{
[newTabView selectTabViewItemWithIdentifier:@1];
}
return;
}
I also want a similar setup to count the number of items in the array,
so that if the user hasn't created anything 'Tab 1' will displayed, if
there is at least one created item 'Tab 2' will be displayed. If you
guys know of a better way to do the above procedure please let me know.
Cheers
Alex Mills
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Text View with fixed width
Hi I'm new to this list and I'm completly new to Cocoa. I'm creating my first app but I stuck with the following. I have an instance of NSTextView (created with Interface Builder) in an instance of NSScrollView. I want text to be layed out in area of fixed width (length should be as it is - unlimited). And I want this area to stay in the middle of scroll view. For example 500 px. wide, 250 px. from right and 250 px. from left for 1000 px. wide scroll view. And I also would like to have text justified in that 500 px. If you ever tried WriteRoom you'll know what I mean. I tried to call [textView setTextConrainerInset:] but it's not what I want. I don't like to control insets by myself when resizing window (I often resize it programmatically with animation especially in my full screen implementation). Is it possible? Could you please help me with some snippet or something alike? Thank you. ___ 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 [EMAIL PROTECTED]
Re: async NSOperation and NSOperationQueue
On Sep 19, 2008, at 18:27 , Michael Ash wrote: On Fri, Sep 19, 2008 at 2:41 PM, John Love [EMAIL PROTECTED] wrote: Michael Ash wrote: Has it occurred to you that waiting for the operation to finish is rather at odds with the idea of trying to run it asynchronously to keep your program responsive? Absolutely, but if the Thread is running in the background, it really shouldn't matter to the main Thread of the app. While calculations of a document are buzzing away in the background, I could be doing other things, e.g., opening other docs to get their calculations going. But, I cannot get back control until after the first document's calculations are done. I'm confused. I thought that the call to [theQueue waitUntilAllOperationsAreFinished] was being made on the main thread. If you're already spawning a second thread for those calls, why bother with the NSOperationQueue at all? That's how I read it too... smime.p7s Description: S/MIME cryptographic signature ___ 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 [EMAIL PROTECTED]
Re: Constant NSArray Count
On Sep 19, 2008, at 9:15 AM, Alex Mills wrote: I have this working as an IBAction but I want it to run all the time so that it will control the tabs whenever the selection count of the Array changes, how can I do this? You can use KVO to call a method when the selectedObjects value changes. Check the KVO documentation and the archives for more details. Nick Zitzmann http://www.chronosnet.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 [EMAIL PROTECTED]
[MEET] LA CocoaHeads : Thursday 9/25 7:30pm
Hey LA CocoaHeads. Next week we continue our study group meeting for the Aaron Hillegass book Cocoa Programming for Mac OS X, 3rd Edition. http://search.barnesandnoble.com/Cocoa-Programming-for-Mac-OS-X/Aaron-Hillegass/e/9780321503619/?itm=1 We'll be covering chapters 7-9. Please jot down any question you come up with during your reading. We meet at the offices of E! Entertainment at 7:30pm. Our meeting location is 5750 Wilshire Blvd Los Angeles, CA 90036. Here's a google map of the location: http://www.google.com/maps?f=qhl=enq=5750+Wilshire+Blvd,+Los+Angeles+CA+90036ie=UTF8z=15om=1iwloc=addr Free street parking is available. I'd suggest trying Masselin Ave, which is one block East of Courtyard Place. We meet near the lobby of the West building at 5750 Wilshire Blvd, on the West side of Courtyard Place. There are picknick tables in front of the lobby and we'll gather there starting at 7:20pm. From there we go inside and up to conference room 3A at around 7:45pm . If you arrive late, please ask the building security personnel in the lobby to direct you to the E! Security office, and they will be able to contact the group in conference room 3A and send someone down to meet you. Rob Ross, Lead Software Engineer E! Networks --- Beware of he who would deny you access to information, for in his heart he dreams himself your master. -- Commissioner Pravin Lal ___ 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 [EMAIL PROTECTED]
Re: NSOperationQueue
On Sep 19, 2008, at 08:15, John Love wrote:
9) Its -startCalculation looks like:
- (void) startCalculation {
int row;
// itsCalcStatus = kNoError; // set by -init
for (row=1; row 1; row++) {
if (itsCalcStatus == kSpreadsheetStopped) break;
if (itsCalcStatus != kNoError) break;
itsCalcStatus = kSpreadsheetCalculating;
[self startOperation]; // start new thread
// if running in background, this will have no effect:
[itsQueue waitUntilAllOperationsAreFinished];
}
This method is being executed on the main thread (unless I missed
something). '[self startOperation]' causes (eventually) a new thread
to be created, executing the 'calculateWorksheetRow' method. But
'startCalculation' continues in the main thread and reaches '[itsQueue
waitUntilAllOperationsAreFinished]'. At that point, it blocks waiting
for the background operations to finish. So your main thread has
stopped dead, and of course your application becomes unresponsive,
until the background threads all complete.
I think the simplest way to achieve what you want is to remove
'[itsQueue waitUntilAllOperationsAreFinished]' completely, move the
rest of 'startCalculation' to a new method, and create an extra
operation that runs this new method. Use [NSOperation addDependency:]
to make this extra operation dependent on all the calculation
operations, then add the extra operation to your queue.
Or something like that.
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Re: NSInvocation
On Wed, Sep 10, 2008 at 1:44 PM, Michael Ash [EMAIL PROTECTED] wrote: But if you use it to call a method which returns a struct, then it crashes and burns. It doesn't even throw an exception, it just segfaults. I've filed this as a bug as rdar://6210060. It really should work, but it doesn't. I just thought I would follow up on this, as I got a reply to my bug today. Basically, the reply says that this problem is known, it's not possible to fix it, but if you use class_getMethodImplementation() and class_getMethodImplementation_stret() instead, then the problem goes away. So if you have a pressing need for forwarded struct-returning methods to work when doing this, use those. 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 [EMAIL PROTECTED]
Re: NSOperationQueue
Am 20.09.2008 um 00:51 schrieb John Love [EMAIL PROTECTED]:
No sooner do I say Solved that I determine Not Solved.
I am no longer crashing in part due to the fact that I've removed
NSApplescript from the thread; however, the evidence is still
insurmountable that the calculation is not running in a background
Thread, but in the main thread. Because it's in the foreground, I
lose control of my application until the Thread finishes.
I'm betting it is not running at all, see below.
If you have already answered my problem, I apologize in advance for
the noise.
Some of this repeats what I've already posted, but I am going big-time
overboard in an attempt to be complete:
By way of background:
1) a IBOutlet of MyDocument = MyDocController
2) a IBOutlet of MyDocController = MyCalculationController
To continue:
3) In MyDocument's windowControllerDidLoadNib I call MyDocController's
MakeNewFile to which I pass the (NSURL*)theFile which is the file I
just double-clicked on Cocoa's built-in open dialog. (If theFile =
nil) then I open up a blank document) If theFile is not nil, then I
call MyDocController's startCalculation.
4) MyDocController's startCalculation calls MyCalculationController's
startCalculation.
Now, the threading fun begins all within MyCalculationController:
6) Its Interface looks like:
@interface MyCalculationController:NSObject {
NSOperationQueue *itsQueue;
NSInvocationOperation *itsOp;
It seems kind of pointless to allow only a single operation for the
queue.
int itsCalcStatus;
}
7) Its -init looks like:
- (id) init {
if (self = [super init]) {
itsCalcStatus = kNoError; // an enumerated constant
itsQueue = [[NSOperationQueue alloc] init];
itsOp = nil;
}
return self;
}
8) Its -dealloc looks like:
- (void) dealloc {
[itsQueue release];
// [itsOp release]; // each Operation released after it is finished
[super dealloc];
}
9) Its -startCalculation looks like:
- (void) startCalculation {
int row;
// itsCalcStatus = kNoError; // set by -init
for (row=1; row 1; row++) {
if (itsCalcStatus == kSpreadsheetStopped) break;
if (itsCalcStatus != kNoError) break;
itsCalcStatus = kSpreadsheetCalculating;
[self startOperation]; // start new thread
// if running in background, this will have no effect:
[itsQueue waitUntilAllOperationsAreFinished];
See the documentation:
waitUntilAllOperationsAreFinished
Blocks the current thread until all of the receiver’s queued and
executing operations finish executing.
http://developer.apple.com/documentation/Cocoa/Reference/
NSOperationQueue_class/Reference/Reference.html#//apple_ref/occ/instm/
NSOperationQueue/waitUntilAllOperationsAreFinished
So if -startCalculation is executed on the main thread (which seems
to be the case AFAICT) then the main thread will block until the
operation is done. In that case the whole concept of using
NSOperation becomes just so much overhead without any practical benefit.
I would expect you to queue an NSOperation in the loop and if you
really need to wait until all of them are done executing then you
could wait after the loop. Note though, that you would still be
blocking the main thread. But at least you would be taking advantage
of NSOperationQueues ability to schedule multiple operations in
parallel depending on available system resources.
But maybe even that will not be necessary. If it isn't then you need
to restructure your code to continue after some sort of notification
that all of your operations are done. You could keep a counter which
is initialized to the number of rows and decremented whenever an
operation is done. Make sure to access this counter only with proper
locks in place (see @synchronized() etc.). When the counter reaches 0
then fire a notification to your main thread or trigger the next step
in your workflow by calling one of the performSelectorOnMainThread:
methods. Or in keeping with the NSOperation model you could fire off
a special NSOperation which watches your counter periodically until
the counter reaches 0 and have the rest of your workflow in another
NSOperation that is dependent on this operation.
BTW: I don't see how you are communicating what the (background)
operation is actually supposed to do. The local variable row is not
accessible to the code running in the NSOperation.
}
// After the for-loop completes, itsCalcStatus =
// kSpreadsheetCalculating, kSpreadsheetStopped, kNoExcelApp, or
kNoWorkbook
// So ...
if (itsCalcStatus == kSpreadsheetCalculating) {
// no errors
[self finishCalculation];
Re: Modal dialog without NSApplication
On 19/09/2008, at 2:41 AM, brodhage wrote:
I allready do. And then I call this function (within subclass of
NSWindowController):
- (void)showModalDialog
{
NSApplication *_app;
NSWindow *_window;
[self showWindow:nil];
_app = [NSApplication sharedApplication];
_window = [self window];
[_app runModalForWindow:_window];
}
The modal dialog (displayed this way) blocks everything - it is not
possible to close the modal dialog, hit any button or something else.
For me it seems that the NSApplication:: runModalForWindow blocks all.
So what I am searching for is to display the modal dialog without
NSApplication.
I am successfully using modal Cocoa windows in a plugin inside a
Carbon application.
Others have already spoken about the need for NSApplicationLoad() and
setting up an autorelease pool, you definitely have to do both these
things.
To display the window I do this:
//show the window
[window makeKeyAndOrderFront:nil];
//start a modal session and wait for a response
NSModalSession session = [NSApp beginModalSessionForWindow:window];
NSInteger response;
for (;;) {
response=[NSApp runModalSession:session];
if (response != NSRunContinuesResponse)
break;
//
}
//when the user exits the window, hide the window
[NSApp endModalSession:session];
[window close];
You can hook up your OK/cancel buttons something like this:
-(IBAction) ok: (id)sender
{
[NSApp stopModal];
}
-(IBAction) cancel: (id)sender
{
[NSApp abortModal];
}
You can then test for the return value of the NSModalSession and do
whatever you want with the results.
--
Rob Keniger
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