Command line tool using NSImage?
Hello, I've got a OSX command line tool that I wish to run in a shell and via a WebObjects application. The binary tool is linked to a framework I wrote which contains NSImage manipulations. It seems the [NSApplication sharedApplication] trick isn't working. I'm still getting... Aug 21 02:56:45 node2 MyApp[28773]: An uncaught exception was raised Aug 21 02:56:45 node2 MyApp[28773]: Error (1002) creating CGSWindow Aug 21 02:56:45 node2 MyApp[28773]: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Error (1002) creating CGSWindow' The binary is running on Leopard. Are there any ways to run NSImage methods in a command line app run remotely? Did I perhaps miss a step? thanks for any info, Jaime Magiera Sensory Research, Inc. http://www.sensoryresearch.net ___ 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: Command line tool using NSImage?
On Aug 21, 2010, at 2:26 AM, Jaime Magiera wrote: I've got a OSX command line tool that I wish to run in a shell and via a WebObjects application. The binary tool is linked to a framework I wrote which contains NSImage manipulations. It seems the [NSApplication sharedApplication] trick isn't working. I'm still getting... Aug 21 02:56:45 node2 MyApp[28773]: An uncaught exception was raised Aug 21 02:56:45 node2 MyApp[28773]: Error (1002) creating CGSWindow Aug 21 02:56:45 node2 MyApp[28773]: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Error (1002) creating CGSWindow' The binary is running on Leopard. Are there any ways to run NSImage methods in a command line app run remotely? Did I perhaps miss a step? A web server is a form of daemon. A remote shell has some of the same restrictions as a daemon or agent. In either case, the Execution Contexts section of TN2083 will probably be helpful: http://developer.apple.com/mac/library/technotes/tn2005/tn2083.html#SECEXECUTIONCONTEXTS In short, you can't reliably use AppKit (including NSImage) from a daemon or remote shell. Regards, 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: Core Animation. issue with scaling
Yes, you are right but now I am unable to handle touches. As I said in my previous post, I also want to update the model. Simply scaling as you mentioned does scale down or scale up the sublayers as well but how to update the model. In Scaling both the position and bounds get changed!! and after animation I just can not get the updated position and bounds of a layer and also of it's sublayers. doing basic animation (explicit animation) On Fri, Aug 20, 2010 at 7:16 PM, Eric Wing ewmail...@gmail.com wrote: CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@bounds]; CGRect orgVal = CGRectMake(0, 0, firstWheelLayer.bounds.size.width, firstWheelLayer.bounds.size.height); CGRect newVal = CGRectMake(0, 0, firstWheelLayer.bounds.size.width+100, firstWheelLayer.bounds.size.height); [animation setFromValue:[NSValue valueWithCGRect:orgVal]]; [animation setToValue:[NSValue valueWithCGRect:newVal]]; [animation setDuration:5.0]; [firstWheelLayer setBounds:newVal]; [firstWheelLayer addAnimation:animation forKey:@ flag]; The problem here is that the sublayers do not scale horizontaly like the firstWheelLayer should I set their bounds here too? I'm a little rusty on my Core Animation, but have you tried using the actual scale property in Core Animation instead of using the bounds property? I think the problem with using bounds is you are only setting the dimensions of the specific layer, not the transformation matrix. Since layers may be used as containers to contain other layers and they do not clip, I wouldn't expect setting the bounds on a layer would cause its children to transform. -Eric ___ 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: CoreAnimation - Resizing sublayers along with superlayer animation
Hi
You can use scale, but if you also want to detect touches on these layers
you have to update the model as well which is nearly impossible to do if you
are doing scalling.
But apart from this scaling will work just fine.
On Fri, Aug 20, 2010 at 3:54 AM, Ignacio Enriquez nach...@gmail.com wrote:
Hi,
I have a subclass of CALayer (below self) and it has a sublayer
(textLayer).
I want self to be shrank and enlarges, so I created animations like
the following:
CABasicAnimation *fadeInAnimation;
fadeInAnimation=[CABasicAnimation animationWithKeyPath:@opacity];
fadeInAnimation.repeatCount = 1;
fadeInAnimation.autoreverses = NO;
fadeInAnimation.fromValue = [NSNumber numberWithFloat:1.0];
fadeInAnimation.toValue = [NSNumber numberWithFloat:0.0];
CABasicAnimation *shrinkAnimation;
shrinkAnimation = [CABasicAnimation animationWithKeyPath:@bounds.size];
shrinkAnimation.repeatCount = 1;
shrinkAnimation.autoreverses = NO;
shrinkAnimation.timingFunction = [CAMediaTimingFunction
functionWithName:kCAMediaTimingFunctionEaseIn];
shrinkAnimation.toValue = [NSValue valueWithCGSize:CGSizeMake(0, 0)];
aniGroupOFF = [[CAAnimationGroup animation] retain];
aniGroupOFF.delegate = self;
aniGroupOFF.duration = ANI_DURATION;
aniGroupOFF.animations = [NSArray arrayWithObjects:shrinkAnimation,
fadeInAnimation, nil];
then I commit the animation
[self addAnimation:aniGroupOFF forKey:@shrinkAndFadeOff];
self is animated as expected but sublayer textLayer is not resized, it
just changes its position according to the new bounds of self
I would like to have the same effect when animation view, they resize
automatically their subviews and/or sublayers
Thanks in advance.
BTW: I tried also:
[self setNeedsDisplayOnBoundsChange:YES];
and overriding
-(void)layoutSublayers{[textLayer setFrame:accordingFrame];}
but didn't work ;(
Ignacio
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Re: [iPhone] How to change Default.png Image Dynamically
Hi, But it seems like iPhone Phone app has some different Default.png images.. When you exit from Keypad menu.. it will load one image.. When you exit from other tabs, Default image is some other.. Is it possible to do similar thing ??? Keeping several Default images.. Thanks and Kind Regards, Tharindu On Fri, Aug 20, 2010 at 8:24 PM, Hunter Hillegas li...@lastonepicked.comwrote: It is not, no. You're not allowed to replace anything in the bundle. You could start with a black Default.png and then very quickly load your own shot into an image view while the rest of your apps loads. Probably depends on your use case. On Aug 20, 2010, at 5:15 AM, Tharindu Madushanka wrote: Is it possible to save a screen shot of last running application screen as the app loading screen next time.. I see may be Maps iPhone application does something similar to that instead loading static Default.png image. Could someone kindly clarify 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 arch...@mail-archive.com
Re: [iPhone] How to change Default.png Image Dynamically
On Aug 21, 2010, at 7:39 AM, Tharindu Madushanka wrote: But it seems like iPhone Phone app has some different Default.png images.. When you exit from Keypad menu.. it will load one image.. When you exit from other tabs, Default image is some other.. Is it possible to do similar thing ??? Keeping several Default images.. As others have pointed out already, this is _not_ possible. The whole point of the default image is to make it look like your app is launching quickly. For some apps, this is simply a blank background image. For my own app, this also includes buttons and other controls that are void of text. Keep in mind that with fast-app switching on iOS4, your app may come back into view exactly how it was when it was suspended. Note that is only a _may_ and not a guarantee. Should the OS have to terminate your app (to free up resources), the next time your app is launched, it will display the original default image (since it's once more doing a normal launch). I highly recommend viewing Sessions 105 and 109 from WWDC 2010 (Adopting Multitasking Parts 1 and 2). They list some tips on how to keep your app resident in memory as long as possible. ___ Ricky A. Sharp mailto:rsh...@instantinteractive.com Instant Interactive(tm) http://www.instantinteractive.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
iOS and Oracle Databases
Hi. A customer is interested in utilizing the iPad. One feature request is to get direct access to the in-house Oracle database (via VPN). I searched a little bit but was unable to find any useful information. Therefore I assume something like the Oracle Client package or just liboci oder something is not available for iOS. Is this correct or missed I something? So I think the best way to go is via some kind of application server, right? -- Until the next mail..., Stefan. pgpHm4TwOfDn3.pgp Description: PGP 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 arch...@mail-archive.com
Re: [iPhone] How to change Default.png Image Dynamically
Hi, ah. ok. Yep. I realized that in iOS4. Then it's an OS feature.. Thanks a lot. I was confused with that :) Tharindu ___ 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: Command line tool using NSImage?
On Aug 21, 2010, at 5:33 AM, Ken Thomases wrote: In short, you can't reliably use AppKit (including NSImage) from a daemon or remote shell. Thanks for the link. Interesting read. In short, that's really a bummer. It totally negates a chunk of functionality from my framework. I'll have to resort to something like keeping a client app running on the server that communicates with the webapp/shell via webservice (a security risk in itself). Also, it removes a lot of functionality from the API. There are a myriad of useful shell/server tools that could be created with that Cocoa functionality. Has anyone heard of Apple coming up with a solution to this conundrum? Or is it Bug Report time? There has to be some way to do it securely. thanks again Ken, Jaime Magiera Sensory Research, Inc. http://www.sensoryresearch.net ___ 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 Lightweight Migration Woes
On Fri, Aug 20, 2010 at 8:46 PM, Brad Gibbs bradgi...@mac.com wrote: I highlighted the .xcdatamodel and did a Design Data Model Add New Version. That created the Config.xcdatamodeld with an unnumbered version of the datamodel (Config.xcdatamodel) and a numbered copy named Config 2.xcdatamodel. I go into Config.xcdatamodel and add a single string attribute to one entity, Clean and Build Go. I get the missing source model error. I think you're looking at the versioning the wrong way around! The data model with the 2 in its name is the new one, THAT's where you should add new attributes etc. When your app runs, it will find the existing data store which is version 1, both model files (the old one is 1, the new one is 2), and do the conversion for you. I don't have it in front of me, but I think that if you bring up the info window for each of the model files, you'll see that each shows a version number. Core Data will always work to bring lower-versioned data stores up to whatever you've marked as the current version. -- // jack // http://nuthole.com // http://learncocoa.org ___ 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 Lightweight Migration Woes
Well, that's the way I started doing things, but, on pages 130-131 of the book More iPhone 3 Development (written by Dave Mark Jeff LaMarche -- your co-authors for Learn Cocoa on the Mac) make a point of saying that the new version is the unnumbered version. In some ways, I wouldn't think it would matter. When first created, they're exact replicas, and you can change the names of both of these files. What the compiler(?) is looking for are the version hashes for each of the entities. As long as it can find both the version marked current and another version with entity hashes that match those stored in the data file to be migrated, I would think it would be able to decide which is the old version, and which is the new. My classes are organized into folders on my desktop (and in Git). I pulled all four data models out of folders and put them at the top level of the folder hierarchy. This *seems* to have helped. Although I've still gotten the missing source model error since then, it seems to be happening less frequently. The other thing I did was to create a new set of data while the section of code that merges the second data model in with the main data model was commented out. After the model was created, I uncommented that code and made changes to the first model and everything seems ok. It made me realize that I don't know whether the app is having a hard time finding the source model for the first model, or, if it thinks that there should be two versions of the second model. Since there's only a single version of the second model (.mom), it may be getting hung-up there, although that would seem to be more of a bug than user error. I wish I could submit a simplified version to Apple, but, since I have no idea what's actually causing the problem and I can't seem to replicate it in the little test apps I've been making, I don't know how I'd do that. I do live about 45 minutes from Cupertino. Maybe it's time to pester Chris Hanson at the next NSCoder Night... On Aug 21, 2010, at 7:37 AM, Jack Nutting wrote: On Fri, Aug 20, 2010 at 8:46 PM, Brad Gibbs bradgi...@mac.com wrote: I highlighted the .xcdatamodel and did a Design Data Model Add New Version. That created the Config.xcdatamodeld with an unnumbered version of the datamodel (Config.xcdatamodel) and a numbered copy named Config 2.xcdatamodel. I go into Config.xcdatamodel and add a single string attribute to one entity, Clean and Build Go. I get the missing source model error. I think you're looking at the versioning the wrong way around! The data model with the 2 in its name is the new one, THAT's where you should add new attributes etc. When your app runs, it will find the existing data store which is version 1, both model files (the old one is 1, the new one is 2), and do the conversion for you. I don't have it in front of me, but I think that if you bring up the info window for each of the model files, you'll see that each shows a version number. Core Data will always work to bring lower-versioned data stores up to whatever you've marked as the current version. -- // jack // http://nuthole.com // http://learncocoa.org ___ 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
app with quick-entry dialog
Dear list, I'm building an app which supports a quick-entry dialog triggered by a global hot-key so that the user can make entries while working in another app. I have this all working fine except for one thing. When the quick-entry dialog is dismissed, the main app window is made active, and even the Spaces space is switched. What I'd like is to return focus to the app that was running before the user pressed the global hot-key. The quick-entry window is shown as modal from the app delegate class. Has anyone got any hints how I might achieve the desired effect? Best wishes, Martin Martin Hewitson Albert-Einstein-Institut Max-Planck-Institut fuer Gravitationsphysik und Universitaet Hannover Callinstr. 38, 30167 Hannover, Germany Tel: +49-511-762-17121, Fax: +49-511-762-5861 E-Mail: martin.hewit...@aei.mpg.de WWW: http://www.aei.mpg.de/~hewitson ___ 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] How to change Default.png Image Dynamically
On Sat, Aug 21, 2010 at 8:39 AM, Tharindu Madushanka tharindu...@gmail.com wrote: Hi, But it seems like iPhone Phone app has some different Default.png images.. When you exit from Keypad menu.. it will load one image.. When you exit from other tabs, Default image is some other.. Is it possible to do similar thing ??? Keeping several Default images.. In addition to what Ricky said, note that Apple apps occupy a place of special privilege on the iPhone, and can do a lot more than what our apps can do. For example, Apple apps have been able to multitask since the very beginning, and are still able to do so without the limitations imposed on third-party apps by iOS 4 multitasking. There are many other examples. So, unfortunately, that an Apple app can do it doesn't mean anything for whether we can do it too. 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
NSMatrix selectedRow, selectedColumn
Below is the implementation of an NSMatrix subclass. What I do not
understand is the NSLog output from -mouseDown.
No matter which cell I click I always get the following, i.e row and
column are always -1.
2010-08-21 11:16:48.705 Customize It[965:813] mouse down
2010-08-21 11:16:48.706 Customize It[965:813] r -1 c -1
What fundamental concept am I missing?
-koko
@implementation FramesMatrix
/* initWithFrame */
- (id) initWithFrame:(NSRect)frameRect {
id aClass = [FramesCell class];
return [super initWithFrame:frameRect mode:NSRadioModeMatrix
cellClass:aClass numberOfRows:1 numberOfColumns:1];
}
- (void)awakeFromNib {
NSSize cellSize;
cellSize.width = cellSize.height = 160;
[self setCellSize:cellSize];
NSSize spacing = NSSizeFromString(@{8,16});
[self setIntercellSpacing:spacing];
[self setDrawsBackground:YES];
[self setBackgroundColor:[NSColor whiteColor]];
[self setAutoscroll:YES];
NSScrollView* sv = [self enclosingScrollView];
[sv setDrawsBackground:YES];
[sv setBackgroundColor:[NSColor whiteColor]];
}
- (void)reloadMatrix:(int)itemCnt {
NSScrollView* sv = [self enclosingScrollView];
NSRect svf = [sv frame];
NSRect sr = [self frame];
int cols = sr.size.width / 160;
int rows = (itemCnt / cols) +1;
sr.size.height = (rows * 176);
[self setFrame:sr];
[self renewRows:rows columns:cols];
[self setNeedsDisplay:YES];
}
- (bool)preservesContentDuringLiveResize { return YES; }
- (void)mouseDown:(NSEvent *)theEvent {
NSLog(@r %d c %d, [self selectedRow], [self selectedColumn]);
}
@end
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Re: NSMatrix selectedRow, selectedColumn
On 21/08/2010, at 7:19 PM, k...@highrolls.net wrote:
- (void)mouseDown:(NSEvent *)theEvent {
NSLog(@r %d c %d, [self selectedRow], [self selectedColumn]);
}
Since you've completely overridden the standard -mouseDown: event handling,
NSMatrix is unable to process the click into a selected row and column, Try
calling super's implementation prior to logging the result. It's also possible
that the result is not available until mouseUp.
--Graham
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Re: Command line tool using NSImage?
On 21 Aug 2010, at 14:35, Jaime Magiera wrote: On Aug 21, 2010, at 5:33 AM, Ken Thomases wrote: In short, you can't reliably use AppKit (including NSImage) from a daemon or remote shell. Thanks for the link. Interesting read. In short, that's really a bummer. It totally negates a chunk of functionality from my framework. I'll have to resort to something like keeping a client app running on the server that communicates with the webapp/shell via webservice (a security risk in itself). Also, it removes a lot of functionality from the API. There are a myriad of useful shell/server tools that could be created with that Cocoa functionality. Has anyone heard of Apple coming up with a solution to this conundrum? Or is it Bug Report time? There has to be some way to do it securely. The particular problem with NSImage is that it uses the window server to provide buffer space for image caches. That isn't going to work from a non-GUI session. I don't see why NSBitmapImageRep wouldn't work, though, OTOH, though Ken is right that using any part of AppKit is potentially problematic. You can, of course, drop down to the Quartz/Core Image/ImageIO layer(s) and do things there, which should work just fine. Kind regards, Alastair. -- http://alastairs-place.net ___ 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: Command line tool using NSImage?
On Aug 21, 2010, at 8:35 AM, Jaime Magiera wrote: Has anyone heard of Apple coming up with a solution to this conundrum? Or is it Bug Report time? There has to be some way to do it securely. What exactly are you trying to do? For some tasks, there may be a safe mechanism. For example, are you aware of the sips tool? http://developer.apple.com/mac/library/documentation/Darwin/Reference/ManPages/man1/sips.1.html Regards, 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: NSMatrix selectedRow, selectedColumn
Do I have egg on my face or what ... thanks Graham
On Aug 21, 2010, at 11:37 AM, Graham Cox wrote:
On 21/08/2010, at 7:19 PM, k...@highrolls.net wrote:
- (void)mouseDown:(NSEvent *)theEvent {
NSLog(@r %d c %d, [self selectedRow], [self selectedColumn]);
}
Since you've completely overridden the standard -mouseDown: event
handling, NSMatrix is unable to process the click into a selected
row and column, Try calling super's implementation prior to logging
the result. It's also possible that the result is not available
until mouseUp.
--Graham
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warning: initialization from distinct Objective-C type
How should I make the assignment to 'fm' below to get rid of this
warning?
warning: initialization from distinct Objective-C type
/* drawWithFrame:inView */
- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:(NSView
*)controlView {
FramesMatrix* fm = controlView;
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Re: app with quick-entry dialog
On Sat, Aug 21, 2010 at 12:16 PM, Martin Hewitson martin.hewit...@aei.mpg.de wrote: Dear list, I'm building an app which supports a quick-entry dialog triggered by a global hot-key so that the user can make entries while working in another app. I have this all working fine except for one thing. When the quick-entry dialog is dismissed, the main app window is made active, and even the Spaces space is switched. What I'd like is to return focus to the app that was running before the user pressed the global hot-key. The quick-entry window is shown as modal from the app delegate class. Has anyone got any hints how I might achieve the desired effect? Before you activate your own application, find out which application is currently active using e.g. GetFrontProcess(). Stash the result in a variable somewhere. When finished, reactivate the previous application by calling e.g. SetFrontProcessWithOptions(). Be sure to gracefully handle the case where that application is no longer running, although that should be rare enough to not need to be *too* graceful. 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: Core Animation. issue with scaling
On 8/21/10, Ahsan Shafiq ahsan.shafiq...@gmail.com wrote: Yes, you are right but now I am unable to handle touches. As I said in my previous post, I also want to update the model. Simply scaling as you mentioned does scale down or scale up the sublayers as well but how to update the model. In Scaling both the position and bounds get changed!! and after animation I just can not get the updated position and bounds of a layer and also of it's sublayers. I'm not sure how you are detecting touches now, but you should look at using CALayer's hitTest: method to determine if/what layer was clicked/touched. If the animation is still moving, you definitely need to be querying the presentationLayer and not the modelLayer. hitTest should account for a layer that has been transformed by a matrix. Another example of needing hitTest is if your layer is rotated in 3D. Other Cocoa hit mechanisms won't be able to detect that 'skewed' hit area. Otherwise, your alternative is to manually change the bounds and positions for each and every one of your layers. As I said, changing the bounds of a parent layer will not change the bounds of a child layer. Bounds is not a scale property. They are subtly different things. -Eric -- Beginning iPhone Games Development http://playcontrol.net/iphonegamebook/ ___ 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: warning: initialization from distinct Objective-C type
Le 21 août 2010 à 23:52, k...@highrolls.net a écrit :
How should I make the assignment to 'fm' below to get rid of this warning?
warning: initialization from distinct Objective-C type
/* drawWithFrame:inView */
- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
FramesMatrix* fm = controlView;
FramesMatrix *fm = (FramesMatrix *)controlView;
-- Jean-Daniel
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[iPhone] NSPredicate formatting questions
Greetings.
i'm trying to set a predicate to query some deep object in my model.
my model is as so.
member is part of a category
the category has a name.
while in a member resultset i want to filter the content on category names.
[NSPredicate predicateWithFormat:@(caregory.name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
I crash with:
'unimplemented SQL generation for predicate : (caregory.name IN {Boutiques})'
I've otherwise tried:
[NSPredicate predicateWithFormat:@(carego...@name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
'Unsupported KVC aggregate in keypath: carego...@name'
Am I missing something?
I thought KVC was part of the Predicates.
any pointers are welcome.
Sandro___
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bind:toObject:withKeyPath:options: being called twice
My custom view implements -optionDescriptionsForBinding: as follows:
- (NSArray *)optionDescriptionsForBinding:(NSString *)binding {
NSMutableArray *descs = [NSMutableArray arrayWithArray:[super
optionDescriptionsForBinding:binding]];
if([binding isEqualToString:@“foo]) {
NSAttributeDescription *desc = [[[NSAttributeDescription alloc] init]
autorelease];
[desc setName:NSConditionallySetsHiddenBindingOption];
[desc setAttributeType:NSBooleanAttributeType];
[desc setDefaultValue:[NSNumber numberWithBool:NO]];
[descs addObject:desc];
desc = [[[NSAttributeDescription alloc] init] autorelease];
[desc setName:NSConditionallySetsEnabledBindingOption];
[desc setAttributeType:NSBooleanAttributeType];
[desc setDefaultValue:[NSNumber numberWithBool:NO]];
[descs addObject:desc];
desc = [[[NSAttributeDescription alloc] init] autorelease];
[desc setName:NSConditionallySetsEditableBindingOption];
[desc setAttributeType:NSBooleanAttributeType];
[desc setDefaultValue:[NSNumber numberWithBool:YES]];
[descs addObject:desc];
}
return descs;
}
As expected, this causes Interface Builder to show the checkboxes for these
three options. However, if I try to click one of them,
bind:toObject:withKeyPath:options: gets called twice — the first time with
these three options properly present in the options dictionary, but the second
time with the options dictionary set to nil (or to a dictionary containing
nothing but the value transformer, if there is one). The result of this is that
trying to click one of the check boxes causes the checkbox to change
momentarily but then flicker back to the default setting, and there’s no way to
actually set these binding options.
Has anyone seen this before? What might be causing it?
Thanks,
Charles___
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Re: [iPhone] NSPredicate formatting questions
On Aug 21, 2010, at 3:40 PM, Sandro Noël wrote:
while in a member resultset i want to filter the content on category names.
[NSPredicate predicateWithFormat:@(caregory.name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
I crash with:
'unimplemented SQL generation for predicate : (caregory.name IN
{Boutiques})'
I've otherwise tried:
[NSPredicate predicateWithFormat:@(carego...@name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
'Unsupported KVC aggregate in keypath: carego...@name'
Am I missing something?
I thought KVC was part of the Predicates.
Not to state the obvious, but you did notice that your code has misspelled
category, right? Is the property name correct?
Wyatt___
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Re: [iPhone] NSPredicate formatting questions
Oh my god, I feel ashamed...
that's what I get for working late.
I'm sorry.
On 2010-08-21, at 11:38 PM, Wyatt Webb wrote:
On Aug 21, 2010, at 3:40 PM, Sandro Noël wrote:
while in a member resultset i want to filter the content on category names.
[NSPredicate predicateWithFormat:@(caregory.name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
I crash with:
'unimplemented SQL generation for predicate : (caregory.name IN
{Boutiques})'
I've otherwise tried:
[NSPredicate predicateWithFormat:@(carego...@name IN %@),[selections
objectForKey:kPredicateFieldNamesArray]];
'Unsupported KVC aggregate in keypath: carego...@name'
Am I missing something?
I thought KVC was part of the Predicates.
Not to state the obvious, but you did notice that your code has misspelled
category, right? Is the property name correct?
Wyatt___
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Re: [iPhone] NSPredicate formatting questions
On Aug 21, 2010, at 9:15 PM, Sandro Noël wrote: Oh my god, I feel ashamed... that's what I get for working late. I'm sorry. No worries. It happens to us all. Better than chasing it for another couple of hours!___ 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
Making an NSMethodInvocation from the current method
Is there a built-in function to make an NSMethodInvocation from 'the current
method I'm in with all current parameters', or does anyone have any code
they've written to do this?
Motivation, I'm writing a display class which can get updated from a background
thread, it has a whole load of methods, some of which don't lend themselves to
performSelectorOnMainThread (some take more than two arguments, some take
primitives and I don't really want to wrap and unwrap into NSNumbers all over
the place). What I really would like is in each method to be able to write
something like
if( ![ NSThread isMainThread ] )
[ NSMagicFunctionReturningAnInvocationForThisCurrentFunction()
performSelectorOnMainThread:@selector( invoke ) withObject:nil waitUntilDone:NO
];
else
{
// method performing code here
}
but there is of course no such function I'm aware of nor can I easily think how
I'd write such a thing.
I have a current solution for those methods which are properties using
forwarding because forwardInvocation: is the only function I know of which
gives me a pre-packaged invocation object but I find it a bit inelegant and it
only works for properties. That method briefly works as follows, if I want a
property 'foo', I declare it, then use @dynamic to suppress the compiler
warnings. In the class continuation I declare the same property prepended with
an given prefix (I'm using TS_ for threadsafe) and implement it. I then
override forwardInvocation: and methodSignatureForSelector: to check for the
existance of a method TS_called selector and if it exists I switch the
selector in the NSInvocation forwardInvocation: gives me and invoke it if I'm
on the main thread or forward it to the main thread if I'm not.
eg setFoo:123 is not implemented so methodSignatureForSelector: is called for
setFoo: and I return the signature for TS_setFoo:. Then forwardInvocation: is
called with a prepacked NSInvocation, I switch the selector to that for
TS_setFoo: and invoke it.
This only works for properties because I can only use @dynamic to suppress the
warnings on those, other declared methods in the interface need to be
implemented (or is there a way to suppress that warning) and the whole TS_
prefix thing seems a bit hokey to me so I was looking for a more direct way to
make an NSInvocation. ___
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Re: Making an NSMethodInvocation from the current method
Use GCD.
dispatch_sync(dispatch_get_main_queue(), ^{
// Call your function here
MyFunction (param 1, param2, ...);
});
Tony Romano
http://www.cocoaegghead.com
On Aug 21, 2010, at 10:03 PM, Roland King wrote:
Is there a built-in function to make an NSMethodInvocation from 'the current
method I'm in with all current parameters', or does anyone have any code
they've written to do this?
Motivation, I'm writing a display class which can get updated from a background
thread, it has a whole load of methods, some of which don't lend themselves to
performSelectorOnMainThread (some take more than two arguments, some take
primitives and I don't really want to wrap and unwrap into NSNumbers all over
the place). What I really would like is in each method to be able to write
something like
if( ![ NSThread isMainThread ] )
[ NSMagicFunctionReturningAnInvocationForThisCurrentFunction()
performSelectorOnMainThread:@selector( invoke ) withObject:nil waitUntilDone:NO
];
else
{
// method performing code here
}
but there is of course no such function I'm aware of nor can I easily think how
I'd write such a thing.
I have a current solution for those methods which are properties using
forwarding because forwardInvocation: is the only function I know of which
gives me a pre-packaged invocation object but I find it a bit inelegant and it
only works for properties. That method briefly works as follows, if I want a
property 'foo', I declare it, then use @dynamic to suppress the compiler
warnings. In the class continuation I declare the same property prepended with
an given prefix (I'm using TS_ for threadsafe) and implement it. I then
override forwardInvocation: and methodSignatureForSelector: to check for the
existance of a method TS_called selector and if it exists I switch the
selector in the NSInvocation forwardInvocation: gives me and invoke it if I'm
on the main thread or forward it to the main thread if I'm not.
eg setFoo:123 is not implemented so methodSignatureForSelector: is called for
setFoo: and I return the signature for TS_setFoo:. Then forwardInvocation: is
called with a prepacked NSInvocation, I switch the selector to that for
TS_setFoo: and invoke it.
This only works for properties because I can only use @dynamic to suppress the
warnings on those, other declared methods in the interface need to be
implemented (or is there a way to suppress that warning) and the whole TS_
prefix thing seems a bit hokey to me so I was looking for a more direct way to
make an NSInvocation. ___
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