Re: intelligent flexible popup
On Jul 20, 2009, at 22:16, Daniel Child wrote: I seem to have fallen into the pitfall you described below. I can get the table view to display values in a combo box from a data source, which takes those values from an array in the model. I also have autocomplete working. But I can't seem to get the values I choose to stick (remain displayed) in the table. Since the tableview is reusing the combo box cell, I don't see how you specify a different value for each row (I only have one column). (The choice values do appear when you click the arrow, but selecting them does not store a value.) Also, I'm not clear on when you capture a selection to get the value transferred to the model. Are you supposed to use some notification to know that the field has been edited, and then capture that value and transfer it to the model. Sorry if this seems basic, but I've looked over the documentation and some sample code and just don't get it. Here's what I'd try: -- I'd give each data model object a string property stateName, and bind the table column to this property. -- I'd write a validateStateName: method to check that the entered name was one of the names in my list of names. That'd probably a case- insensitive test, so I'd also use this method to replace the user's entry with a copy of the actual string from the list. (Make sure you turn on validates immediately for the binding. That means that the validation is done on Enter or Tab, not on every character typed as the name of the option might suggest.) Refer to the KVC documentation for information about how to write a validateKey: method. If the user is allowed to enter names not in the list, then this method would validate non-list names for correctness (and do things like apply proper capitalization and replace the user entry with a prettified string) as desired. -- I'd write a setStateName: setter to store the entered name in the instance variable backing the stateName property. Since this method could potentially be called for other reasons, I'd also re-apply the prettification here, so that the resulting value 'isEqualToString:' the matching string from your master list, if it's in your master list. That's the general idea. The specifics would depend on whether: -- the user was *only* allowed to enter things from your master list -- the user was allowed to enter things not in the master list, which then get added to the master list -- the user was allowed to enter arbitrary names, which are *not* added to the master list if unknown If you need the model objects to store a property that's the numeric index into the master list, that can be done in the setter too. One of the properties would be made dependent on the other, but again the details depend on what behavior you specifically need to allow. Note that this implementation (which is part of the data model) doesn't know that a NSComboxBox is being used to get the name -- a regular text field could be used just as easily (for you, though not for the user). That's as it should be. HTH ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On 21.07.2009, at 4:07, Kelly Keenan wrote: Have you figured out what is going on here? If not, can you please file a bug and send me the bug number? If possible, it would be really handy to have a very simple project with this same problem. OK, I've found a time to recall what and how I did it. Finally I've discovered the reason. Here is the actions sequence, leading to the bug. - create a new project; I used Cocoa-FPC template, recently created by Jonas Maebe (see the list for the link) though I don't think the template itself does a matter. - click BuildGo to compile, though I don't think it does a matter too. I'm just too lazy to repeat it all again without that step. I just remember that I did it earlier. - open Interface Builder; - select Object Controller in the Library and drag it into Main Menu.XIB window; - PRINCIPAL STEPS ARE HERE: - rename the Object Controller instance, i.e. click on the Object name label below the blue cube, causing its inline editor appearance, and type something. I used AppController name. - DO NOT change NSObject class name at the top of Info page of the Inspector. - add a new action in the Actions panel of the Info page, and call it onClick:. - drag a push button from Library to the Window - connect (Ctrl+Mouse Down) the push button instance with AppController object in the XIB window; a popup list appears, where we choose onClick: action. - CHANGE the AppController object instance CLASS NAME to AppController (was NSObject) in the Object Inspector; the action, we just created DISAPPEARS, so Actions panel is EMPTY. - right-click on the AppController object instance in the XIB window and look at the actions list - we can see, that onClick: action still exists and it's still connected to the push button; screenshot is here: http://home.bokovikov.com/etc/mac/xcode/IB-bug_01.png - click on the cross and disconnect this action from button; now it's empty - add new onClick: action in the Actions panel of Object Info page. - we can see, that AppController popup window has two actions, but Info page now contains only one action. http://home.bokovikov.com/etc/mac/xcode/IB-bug_02.png That's all, what I did now. Earlier I yet created appropriate code in the AppController.m file. Finally I came to the situation, when Actions page in the Inspector contained one onClick: action (though AppController's popup shew two actions) and Minus button was grayed. Now I did not reproduce it, but I believe the problem reason is revealed pretty enough. I demonstrated it all for object actions, though the same situation is with object outlets. Fixing this bug I'd suggest to save all existing actions and outlets, rather than remove them completely, because initial class is NSObject, which is the base one, so any actions, added to NSObject definitely can be added to any of its descendants. Indeed, it would be more advanced solution, when a warning will be generated, when object class is downgraded. Though I can't provide an exact sample, as I'm not so skilled yet in XCode/Cocoa. Thanks. ___ 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: Crashes while reordering columns in a NSTableView
Am 21.07.2009 um 00:38 schrieb Tim Schmidt: Is there any way to work around this Yes: find your memory bug. EXC_BAD_ACCESS almost always is a memory bug in your code. atze ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On 21/07/2009, at 4:07 PM, Alexander Bokovikov wrote: - rename the Object Controller instance, i.e. click on the Object name label below the blue cube, causing its inline editor appearance, and type something. I used AppController name. - DO NOT change NSObject class name at the top of Info page of the Inspector. [...] - CHANGE the AppController object instance CLASS NAME to AppController (was NSObject) in the Object Inspector; the action, we just created DISAPPEARS, so Actions panel is EMPTY. This might be the cause of the problems you had (possibly could still be considered an IB bug) as it's not a workflow that really makes much sense. The name of an object in IB is just a crutch for the programmer, not an important aspect of the object's properties. So changing the name does nothing, really. What really matters is the class of the object, set in the Inspector. Change that FIRST, and it so happens to also change the name for you, but the reverse is NOT true. Once you have the class set properly, it will know which source file header it needs to read to load the relevant actions and outlets, and will presumably manage them in a bug-free manner from then on - e.g. if you delete an outlet in the header, it will be indicated as a missing outlet in IB and allow you to delete it. Setting the name automatically when you set the class is a convenience, but equally you can change the name to make it clear to you what the object is. The name has no effect on anything. --Graham ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On 21.07.2009, at 12:20, Graham Cox wrote: Setting the name automatically when you set the class is a convenience, but equally you can change the name to make it clear to you what the object is. The name has no effect on anything. I can agree, but the bug is, that I can't correctly change the class name _after_ I've added some actions/outlets. I definitely would like to have such ability. Adding a new object I could name its class by mistake then add a couple of tens actions/outlets, then discover my mistake in class naming (remember, all this we do in IB, so none of code files could yet be created!), and come face to face with the problem. This is a sort of problem similar to inability of XCode project renaming. It's not clear why not to add such feature? Thanks. ___ 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, NSArraycontrollers and secondary to-many relationships.
Hi Sumanth, On 20/7/09, Sumanth Peddamatham pedda...@gmail.com wrote: I've spent a few days playing with NSArrayControllers, fiddling with Content Array, Content Set, Content Object settings; tried understanding @distinctUnionOfSets and @distinctUnionOfArrays; but I've hit a wall. I've never played with @distinctUnionOfSets nor @distinctUnionOfArrays. I commend you for digging in. And, what a great idea to make a jpeg of your model. Until someone else gives you a better answer, let me suggest a low-tech technique. Write a method on your Session class that returns the set or array that you want, then bind to that. Hint 1, if you build a MutableSet you get (object-level) uniqueness for free. Hint 2, if your Model is in a state of flux, consider using mogenerator for overriding your Model classes. Cheers, Steve Steinitz ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On 21/07/2009, at 5:07 PM, Alexander Bokovikov wrote: I can agree, but the bug is, that I can't correctly change the class name _after_ I've added some actions/outlets. I definitely would like to have such ability. Adding a new object I could name its class by mistake then add a couple of tens actions/outlets, then discover my mistake in class naming (remember, all this we do in IB, so none of code files could yet be created!), and come face to face with the problem. Well, it's not a good answer, but maybe you could change your workflow a little. Instead of designing your classes as you go in IB, which to my mind is potentially indicative of poor or non-existent design, you should code them in Xcode, then you never do need to add outlets or actions in IB, and IB merely tracks the changes you make to the code. I've always found the ability of IB to do this a bit strange in some ways, since at least in my projects, I don't make up controllers as I go along in IB - they always pre-exist in code and I just use IB to, er, build the interface. --Graham ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On 21.07.2009, at 13:19, Graham Cox wrote: I don't make up controllers as I go along in IB - they always pre- exist in code and I just use IB to, er, build the interface. I'm not against of the above. I can agree with your approach, moreover, it's an approach, described in Cocoa classic books. In most of cases authors just suggest to create classes (at least their skeletons) in code and then open IB for the first time. Though it may be not so usual for a newbie to write these magic clauses like (IBAction) and IBOutlet, but it is not so fearful. I only would like to say, that really good and stable software should at least be stable to some more or less incorrect user's actions. Is it not allowed to change class name after actions/outlets have been added? OK, just say that! Or, if it's allowed, just fix a bug. Nothing more. Thanks. ___ 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: [IB] - possible bug [was: how to delete action or outlet?]
On Jul 21, 2009, at 00:07, Alexander Bokovikov wrote: I can agree, but the bug is, that I can't correctly change the class name _after_ I've added some actions/outlets. I definitely would like to have such ability. Adding a new object I could name its class by mistake then add a couple of tens actions/outlets, then discover my mistake in class naming (remember, all this we do in IB, so none of code files could yet be created!), and come face to face with the problem. There may or may not be a bug here, but mostly this is about confusion. In IB, you added a onClick: action to *class* NSObject. Then you added one to *class* NSObjectController. IB is dutifully remembering exactly what you told it. When you connect the button's action to your NSObjectController object, because it's also a NSObject, you have a choice of the two actions as your destination, one from each class. Maybe that's a bug, maybe that's an oversight, maybe that's just how an edge case happens to work, or maybe that's how it works for a genuine reason. I don't know. Since the actions belong to classes, you can't see the NSObject one listed in the Identity tab unless you have a NSObject (not a NSObjectController) to select. So drag another blue cube into your document, delete NSObject's onClick action, then delete that temporary blue cube. Maybe it's a bug that there's no way to see that class's actions without an object of that class in the nib, or maybe it's not, or maybe there's a way to see it by choosing a different view of things. I don't know. The reason I don't know (and, frankly, don't care) is that -- as of IB 3 -- there's rarely any reason to add actions this way. As Graham pointed out, it's much more common now, and much more convenient IMO, just to put the action in a .h file. IB will see it and make it available automatically. You don't have to do anything special, and if you choose to delete it (by removing it from the .h file, I mean) then IB will notice that too. Other than changing the classes of objects, and giving cosmetic IB-names to things, the Identity panel just doesn't seem terribly useful any more. Note that -- as of IB 3 -- it's possible to define things like actions *within a XIB file only*, without having any supporting code in your project. Maybe -- like IB 2 -- it can generate the code definitions in your .h files for you, or maybe it can't. I don't know, because I don't care, for the same reason -- it just seems so much easier to start with the .h files. It wouldn't hurt to submit a bug report about this -- IB certainly isn't doing a very good job of letting you know what's going on in this situation -- but I wouldn't be surprised if the answer was works as intended. ___ 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: Cocoa Graphics Parsing
On 21 Jul 2009, at 03:50, Courtney Arnold wrote: Hello all, I need to programmatically parse/read through the contents of an NSImage. I am unable to find a tutorial or documentation that would explain how to do so. I would like to get some input on where I may be able to search for this information. thank you, since you want to scan barcode, by Googling I found, among other things, this: http://www.bruji.com/cocoa/barcode.html They have a barcode scanner project, written in Cocoa. The code is available for free. Klaus ___ 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 do I track down an OSStatus error code?
On Jul 20, 2009, at 10:00 PM, Michael A. Crawford wrote: Looking for the meaning behind the value -43. -Michael Do a batch file search of header files in your SDK for -43, using TextWrangler or BBEdit (http://www.barebones.com) -- What is a woman that you forsake her, and the hearth fire and the home acre, to go with the old grey Widow Maker. --Kipling, harp song of the Dane women Tommy Nordgren tommy.nordg...@comhem.se ___ 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 do I track down an OSStatus error code?
I liked the macerror suggestion, never seen that command, so I tried it out $ macerror -43 Mac OS error -43 (fnfErr): File not found On Jul 21, 2009, at 6:29 PM, Tommy Nordgren wrote: On Jul 20, 2009, at 10:00 PM, Michael A. Crawford wrote: Looking for the meaning behind the value -43. -Michael Do a batch file search of header files in your SDK for -43, using TextWrangler or BBEdit (http://www.barebones.com) -- What is a woman that you forsake her, and the hearth fire and the home acre, to go with the old grey Widow Maker. --Kipling, harp song of the Dane women Tommy Nordgren tommy.nordg...@comhem.se ___ 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/rols%40rols.org This email sent to r...@rols.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: Cocoa Graphics Parsing
From: Courtney Arnold court...@rnolds.com Subject: Re: Cocoa Graphics Parsing To: cocoa-dev@lists.apple.com Date: Monday, 2009 July 20, 21:25 I am expecting that I am going to have to drop down to lower levels. I want to be able to manually parse an image of a UPC barcode. I assume that the best way to do so would be to potentially examine each single pixel. any information that you provide, I would appreciate it. Yes, it boils down to mincing along, examining each pixel. Do a search on syntactic pattern recognition. That was the title of the class in which we covered such things. ___ 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] UITableView cell display bugs ?
On Jul 20, 2009, at 5:03 PM, David Duncan wrote: On Jul 20, 2009, at 1:35 AM, WT wrote: I'm trying to reuse (with some modifications) UITableViewCellStyleSubtitle cells, which have two left-aligned labels. I want to have both labels and add a right-aligned text field. All three views must be as wide as roughly half the available content view width. In order to do what you want you must subclass UITableViewCell and override layoutSubviews to do your layout. What is happening is your adding and moving around views before this layout has occurred, and then the default layout mechanism is resetting them. Your layoutSubviews override should call [super layoutSubviews] first. Aha! So that's the trivial part I was missing. Thank you, David. ___ 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, NSArraycontrollers and secondary to-many relationships.
Thanks for the hints Steve! I think my message has been sitting in the Moderator queue, but I was able to figure out @distinctUnionOfArrays a few days ago. My solution was to create tiered NSArrayControllers. One NSArrayController for the Sessions Entity, a proxy NSArrayController called Hosts in Session, and another proxy named Ports in Session. Ports in Session is bound to Hosts in Session using a Content Array binding of 'arrangedobjec...@distinctunionofarrays.ports'. Of course, my source is available if anyone's having a similar problem. Best, Sumanth Peddamatham On Jul 21, 2009, at 3:09 AM, Steve Steinitz wrote: Hi Sumanth, On 20/7/09, Sumanth Peddamatham pedda...@gmail.com wrote: I've spent a few days playing with NSArrayControllers, fiddling with Content Array, Content Set, Content Object settings; tried understanding @distinctUnionOfSets and @distinctUnionOfArrays; but I've hit a wall. I've never played with @distinctUnionOfSets nor @distinctUnionOfArrays. I commend you for digging in. And, what a great idea to make a jpeg of your model. Until someone else gives you a better answer, let me suggest a low- tech technique. Write a method on your Session class that returns the set or array that you want, then bind to that. Hint 1, if you build a MutableSet you get (object-level) uniqueness for free. Hint 2, if your Model is in a state of flux, consider using mogenerator for overriding your Model classes. Cheers, Steve Steinitz ___ 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: Cocoa Graphics Parsing
On 21 Jul 2009, at 04:05, Graham Cox wrote: Internally, you have -getPixel:atX:y: which would presumably be the workhorse at the heart of your class. -getPixel:atX:y: is fine for the odd what-colour-is-this test, but it's the wrong thing to use for any kind of intensive pixel access. For a task such as barcode recognition you would probably want to drop down and access the bits directly yourself. Of course, that means getting involved with pixel formats... 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
iPhone Question: UIScrollView
I'm a real noob when it comes to the UIScrollView. What I would like to do: I have a View that contains a UIScrollView. Instead of loading an image in there, what I would like to do is load in another view (say an image that's a lot wider than the portrait iPhone... which has button sprinkled throughout). So the idea is you could pan around the view, and click on points of interest in the image (using UIButtons or whatever). But I'm not quite sure how to set this up. I created a View XIB (no view controller) and put some stuff in there. NSArray *nibViews = [[NSBundle mainBundle] loadNibNamed:@details owner:self options:nil]; UIView *infoView = [nibViews objectAtIndex:0]; [myScrollView addSubview:infoView]; This works, but I can't make the view wider than the iPhone portrait. How should I handle 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
Subclassing NSPopUpButton and NSPopUpButtonCell
Hello Cocoa-Dev, Oh the joy of subclassing subclasses of NSControl and NSCell. I am making a custom pop up menu object. I subclass NSPopUpButtonCell and simply draw my custom menu button in the drawBezelWithFrame method. The frame rect that this method passes in has been inset by some amount which means that the menu registers mouse clicks for several pixel rows above its drawing frame but rejects mouse clicks for several pixel rows at the bottom of its frame. I have tried using the bounds rect of the control view but I get the same behaviour. How can I get the real bounding rect of the cell? I have the same problem with a subclass of NSTextFieldCell. I did try creating a pop up menu control from scratch by creating menus and managing the state of its items and I could finish this but it feels like I'm reinventing the wheel really. Thanks, Stephen ___ 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 Question: UIScrollView
On 22/07/2009, at 12:34 AM, Eric E. Dolecki wrote: This works, but I can't make the view wider than the iPhone portrait. How should I handle this? set the bounds rect of the infoView to what you want. If larger than what will fit in the scroll view, it will be scrollable. --Graham ___ 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 Question: UIScrollView
Might it be okay to add buttons via code on top of a big image, and just handle button events that way instead of using a sep view? On Tue, Jul 21, 2009 at 10:41 AM, Graham Cox graham@bigpond.com wrote: On 22/07/2009, at 12:34 AM, Eric E. Dolecki wrote: This works, but I can't make the view wider than the iPhone portrait. How should I handle this? set the bounds rect of the infoView to what you want. If larger than what will fit in the scroll view, it will be scrollable. --Graham -- http://ericd.net Interactive design and development ___ 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 do I track down an OSStatus error code?
Yeah I especially liked that one too. You know there are quite a few handy (for development) command-line utilities laying on the disk. I found out last week that there is a program for creating and converting .CAF files. I had no idea. It would be nice if someone put up a web page or database documenting these for the benefit of all developers. I guess Apple should really take responsibility for that. -Michael -- The united stand. The divided get played. -- Bernie MAC On Jul 21, 2009, at 6:41 AM, Roland King wrote: I liked the macerror suggestion, never seen that command, so I tried it out $ macerror -43 Mac OS error -43 (fnfErr): File not found On Jul 21, 2009, at 6:29 PM, Tommy Nordgren wrote: On Jul 20, 2009, at 10:00 PM, Michael A. Crawford wrote: Looking for the meaning behind the value -43. -Michael Do a batch file search of header files in your SDK for -43, using TextWrangler or BBEdit (http://www.barebones.com) -- What is a woman that you forsake her, and the hearth fire and the home acre, to go with the old grey Widow Maker. --Kipling, harp song of the Dane women Tommy Nordgren tommy.nordg...@comhem.se ___ 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/rols%40rols.org This email sent to r...@rols.org 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 arch...@mail-archive.com
Re: iPhone Question: UIScrollView
On 22/07/2009, at 12:56 AM, Eric E. Dolecki wrote: Might it be okay to add buttons via code on top of a big image, and just handle button events that way instead of using a sep view? No idea. But why do things in a weird way when a perfectly good supported way already exists? If you add buttons to a view and that view is in a scrollview, and its bounds is big enough it will scroll. The buttons will scroll around with it if that's what you have in there. The buttons can be added in code or in IB, and the main view can draw an image if you want. What was the question again? Seems to have strayed from the point. --Graham ___ 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: What are the finer points to programatically loading a view from a NIB and attaching to the default window in MainMenu.xib?
We have a winner! Yeah, both NSWindow outlets were not hooked up in IB. Shouldn't I get some sort of warning. Oh well. Thanks for pointing that out. The views don't look right but they show up. I will sort it from here. -Michael On Jul 21, 2009, at 12:42 AM, Kyle Sluder wrote: On Jul 20, 2009, at 9:28 PM, Michael A. Crawford michaelacrawf...@mac.com wrote: The NIB file is loaded in that I was able set a breakpoint on - [awakeFromNib] for the NDView class. Yet, I don't see any output. If I remove the controller and use IB to add the NDView to the window as a custom-view. I can see the view and works fine. I've tried both the -[setContent] -[addSubview] calls. You're in the debugger; that's an important first step. But you need to verify that your window outlet isn't nil (as well as the view controller's view). If all else fails, remember that you can evaluate expressions and invoke arbitrary statements in the gdb console. --Kyle Sluder 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 arch...@mail-archive.com
Re: [iPhone] CFAttributedStringRef autorelease - not possible?
On Jul 19, 2009, at 9:13 AM, Michael Hoy wrote: NSString *m_scanString = @This is a test.; CFDictionaryRef emptyDic = (CFDictionaryRef)[NSDictionary dictionary]; CFAttributedStringRef attString = CFAttributedStringCreate(kCFAllocatorDefault, (CFStringRef)m_scanString, emptyDic); CFMutableAttributedStringRef linkifiedString = CFAttributedStringCreateMutableCopy(kCFAllocatorDefault, 0, attString); NSLog(@%@, (NSString *)CFAttributedStringGetString(linkifiedString)); [(id)linkifiedString autorelease]; Testing in a Mac OS 10.5 SDK, this code works. In the iPhone 3.1 SDK, the last line of code (calling autorelease on CFMutableAttributedStringRef) gives EXC_BAD_ACCESS. Everything else works as expected. Is CFAttributedStringRef not castable to id or NSObject* in the iPhone environment? Attributed strings are not supported on the iPhone. Dave ___ 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 Question: UIScrollView
On Jul 21, 2009, at 7:34 AM, Eric E. Dolecki wrote: I'm a real noob when it comes to the UIScrollView. What I would like to do: I have a View that contains a UIScrollView. Instead of loading an image in there, what I would like to do is load in another view (say an image that's a lot wider than the portrait iPhone... which has button sprinkled throughout). So the idea is you could pan around the view, and click on points of interest in the image (using UIButtons or whatever). But I'm not quite sure how to set this up. I created a View XIB (no view controller) and put some stuff in there. NSArray *nibViews = [[NSBundle mainBundle] loadNibNamed:@details owner:self options:nil]; UIView *infoView = [nibViews objectAtIndex:0]; [myScrollView addSubview:infoView]; This works, but I can't make the view wider than the iPhone portrait. How should I handle this? Right. You aren't supposed to make views larger than the screen (at least according to the docs). I assume that is to keep the layer sizes reasonable. What you do is set the contentSize of the UIScrollView to be as large as you want. Then, in your delegate callbacks or UIScrollView subclass, you add/remove view tiles as needed to present a seamless view to the user. As tiles move offscreen you reuse them as new tiles on the opposite side. Apple has a very nice tiled image view sample from WWDC 09 available online. Dave ___ 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] CFAttributedStringRef autorelease - not possible?
I know it doesn't support NSAttributedString. However, CFAttributedStringRef is supported. (That's why I'm using it.) The documentation reads: iPhone OS Note: While Core Foundation on iPhone OS contains CFAttributedString, there are no additions to the APIs in UIKit to add specific attributes such as font, style, or color, and there are no APIs to draw attributed strings. My question is about casting CFAttributedStringRef to id, which appears not to work in certain circumstances. For example, adding an (id)CFAttributedStringRef to an NSMutableArray appears to work fine... CFGetRetainCount() reports an increase and decrease in the retain count after adding/removing. ~Michael On Jul 21, 2009, at 11:20 AM, Dave Camp wrote: On Jul 19, 2009, at 9:13 AM, Michael Hoy wrote: NSString *m_scanString = @This is a test.; CFDictionaryRef emptyDic = (CFDictionaryRef)[NSDictionary dictionary]; CFAttributedStringRef attString = CFAttributedStringCreate(kCFAllocatorDefault, (CFStringRef)m_scanString, emptyDic); CFMutableAttributedStringRef linkifiedString = CFAttributedStringCreateMutableCopy(kCFAllocatorDefault, 0, attString); NSLog(@%@, (NSString *)CFAttributedStringGetString(linkifiedString)); [(id)linkifiedString autorelease]; Testing in a Mac OS 10.5 SDK, this code works. In the iPhone 3.1 SDK, the last line of code (calling autorelease on CFMutableAttributedStringRef) gives EXC_BAD_ACCESS. Everything else works as expected. Is CFAttributedStringRef not castable to id or NSObject* in the iPhone environment? Attributed strings are not supported on the iPhone. Dave ___ 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: What are the finer points to programatically loading a view from a NIB and attaching to the default window in MainMenu.xib?
On Jul 21, 2009, at 8:13 AM, Michael A. Crawford wrote: We have a winner! Yeah, both NSWindow outlets were not hooked up in IB. Shouldn't I get some sort of warning. Oh well. Thanks for pointing that out. The views don't look right but they show up. I will sort it from here. File a bug on that, please http://bugreport.apple.com/ ... it might be returned as a dupe, but dupes are votes and, coupled with the narrative on cocoa-dev, will capture another compelling case for this particular validation. 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
what is this currency symbol?
I've recently started using the currency option for NSDateFormatter in IB. I could have sworn it was using $ as the currency symbol, but lately it's started using ¤, which is a symbol I don't recognize. Anybody know what the ¤ is, and how I can get $ back as the default? This *might* have started happening when I deleted the $ for one particular date formatter, which I wouldn't have expected to change things for subsequent formatters. Otherwise, I can't think of anything relevant I might have changed. My System Preferences has US Dollar as the selected currency. Another possibility is that the ¤ only shows up on one of the machines I've been developing on -- I might be mistaken about the behavior changing. Anyway, I'd still like to know what it means. --Andy ___ 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: what is this currency symbol?
On Jul 21, 2009, at 11:53 AM, Andy Lee wrote: ¤ …is the all-purpose currency sign in unicode. Its use is to denote that the attached number is a currency value when the appropriate symbol for the locale isn't available. -- Phil Dokas -//- p...@jetless.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: what is this currency symbol?
On 21 Jul 2009, at 16:53, Andy Lee wrote: I've recently started using the currency option for NSDateFormatter in IB. I could have sworn it was using $ as the currency symbol, but lately it's started using ¤, which is a symbol I don't recognize. Anybody know what the ¤ is, and how I can get $ back as the default? That's the generic currency symbol. Cheers, Graham. -- Graham Lee Senior Mac Software Engineer tel: +44 1235 540266 SOPHOS - simply secure Sophos Plc, The Pentagon, Abingdon Science Park, Abingdon, OX14 3YP, United Kingdom. Company Reg No 2096520. VAT Reg No GB 348 3873 20. ___ 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: what is this currency symbol?
On Jul 21, 2009, at 9:53 AM, Andy Lee wrote: Another possibility is that the ¤ only shows up on one of the machines I've been developing on -- I might be mistaken about the behavior changing. Anyway, I'd still like to know what it means. It's the international symbol for currency. Try selecting it, right- clicking, and choosing look up in dictionary 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 arch...@mail-archive.com
setFrameSize called multiple times for a single size change?
I have a sub-classed TableView that is the document view of an ScrollView. The rows of the TableView are composited by a custom cell, and soI have overridden the -setFrameSize method of the TableView in order to determine if any rows have changed height as a consequence of the resize (if so, I invoke - noteHeightOfRowsWithIndexesChanged). After performing that calculation (and call to inform the table if any rows did change height), I then call the -setFrameSize of the super class (the NSTableView). What I am seeing is that upon invoking the super class's -setFramSzie method, the overridden -setFrameSize is invoked twice more: the first time with the *old* size, then twice with the new size. While my app functions, I am troubled by these seemingly extra calls, and wonder if I haven't configured some setting of the TableView or ScrollView that I should. All of these objects are instantiated programmatically (not in IB). I set a breakpoint to examine the calling stack to see what was going on. The call to set the old size comes from -resizeWithOldSuperviewSize. The docs say this can be overriden, so I have done so, making it a no- op method (that is, not invoking the super class). My app seems to perform just fine. Question 1 -- Is this okay to do?? The two calls for the new size come, it seems to me, as a consequence of the TableView sizing the column (there is only one column in the table), as indicated by these two calling stacks: #0 0x00041148 in -[TweetsListTableView setFrameSize:] at TweetsListTableView.m:181 #1 0x93ba6057 in -[NSTableView tile] #2 0x93baefcf in -[NSTableColumn setWidth:] #3 0x93baeae0 in -[NSTableView _sizeTableColumnsToFitWithStyle:forceExactFitIfPossible:] #4 0x93bae24a in -[NSTableView _sizeTableColumnsToFitForAutoresizingWithStyle:] #5 0x93bae1d4 in -[NSTableView sizeLastColumnToFit] #6 0x93bae00f in -[NSTableView _autoresizeToFit] #7 0x93badd34 in -[NSTableView superviewFrameChanged:] #0 0x00041148 in -[TweetsListTableView setFrameSize:] at TweetsListTableView.m:181 #1 0x93ba6057 in -[NSTableView tile] #2 0x93bae1e6 in -[NSTableView sizeLastColumnToFit] #3 0x93bae00f in -[NSTableView _autoresizeToFit] #4 0x93badd34 in -[NSTableView superviewFrameChanged:] I now cache the last size given to the -setFrameSize method, and don't perform my testing for row height changes if the width hasn't changed, so I am no longer incurring that calculation cost. Question 2 -- Is there a better way to configure the single column's resizing mask to avoid the double call? TIA, --Stuart ___ 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: what is this currency symbol?
On Tue, Jul 21, 2009 at 8:53 AM, Andy Leeag...@mac.com wrote: I've recently started using the currency option for NSDateFormatter in IB. I could have sworn it was using $ as the currency symbol, but lately it's started using ¤, which is a symbol I don't recognize. Anybody know what the ¤ is, and how I can get $ back as the default? Do you mean NSNumberFormatter, or are you actually trying to use NSDateFormatter for this? --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
Re: iPhone Question: UIScrollView
Okay - how would I lay the buttons out in IB since IB doesn't allow one to do that? I'd essentially need to place all my buttons with code anyway, correct? I want a really big image with hotspots on it I can click (I'll use with UIButtons). On Tue, Jul 21, 2009 at 11:03 AM, Graham Cox graham@bigpond.com wrote: On 22/07/2009, at 12:56 AM, Eric E. Dolecki wrote: Might it be okay to add buttons via code on top of a big image, and just handle button events that way instead of using a sep view? No idea. But why do things in a weird way when a perfectly good supported way already exists? If you add buttons to a view and that view is in a scrollview, and its bounds is big enough it will scroll. The buttons will scroll around with it if that's what you have in there. The buttons can be added in code or in IB, and the main view can draw an image if you want. What was the question again? Seems to have strayed from the point. --Graham -- http://ericd.net Interactive design and development ___ 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: setFrameSize called multiple times for a single size change?
On Tue, Jul 21, 2009 at 9:17 AM, Stuart Malinstu...@zhameesha.com wrote: I have a sub-classed TableView that is the document view of an ScrollView. For future reference: TableView and ScrollView are not names of classes in Cocoa. NSTableView and NSScrollView are; UITableView and UIScrollView exist in Cocoa Touch, so it's important to make this distinction. The rows of the TableView are composited by a custom cell, and soI have overridden the -setFrameSize method of the TableView in order to determine if any rows have changed height as a consequence of the resize (if so, I invoke -noteHeightOfRowsWithIndexesChanged). After performing that calculation (and call to inform the table if any rows did change height), I then call the -setFrameSize of the super class (the NSTableView). You're doing this backwards. Your delegate should be telling your table view the size of the rows. Have your delegate listen for NSViewFrameDidChangeNotification from the table view, and have it call -noteHeightOfRowsWithIndexesChanged:. What I am seeing is that upon invoking the super class's -setFramSzie method, the overridden -setFrameSize is invoked twice more: the first time with the *old* size, then twice with the new size. While my app functions, I am troubled by these seemingly extra calls, and wonder if I haven't configured some setting of the TableView or ScrollView that I should. All of these objects are instantiated programmatically (not in IB). I set a breakpoint to examine the calling stack to see what was going on. Sounds like a situation you need to be able to handle (perhaps at the expense of more drawing). It may go away if you use the notifications. The call to set the old size comes from -resizeWithOldSuperviewSize. The docs say this can be overriden, so I have done so, making it a no-op method (that is, not invoking the super class). My app seems to perform just fine. Question 1 -- Is this okay to do?? No, because it's orthogonal. NSTableView is going to resize itself based on the number of rows and their size. --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
Re: setFrameSize called multiple times for a single size change?
On Jul 21, 2009, at 9:17 AM, Stuart Malin wrote: I now cache the last size given to the -setFrameSize method, and don't perform my testing for row height changes if the width hasn't changed, so I am no longer incurring that calculation cost. Question 2 -- Is there a better way to configure the single column's resizing mask to avoid the double call? My bad -- I figured out an answer to the second question after posting... Since I have only one column, I now set the columnAutoresizingStyle of the TableView to NSTableViewFirstColumnOnlyAutoresizingStyle In the past, I had multiple columns, and had instead set this to - NSTableViewSequentialColumnAutoresizingStyle I guess that the TabbleView doesn't notice that there is only one column, and so it was generating two resizing calls. ___ 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: setFrameSize called multiple times for a single size change?
On Jul 21, 2009, at 9:27 AM, Kyle Sluder wrote: On Tue, Jul 21, 2009 at 9:17 AM, Stuart Malinstu...@zhameesha.com wrote: I have a sub-classed TableView that is the document view of an ScrollView. For future reference: TableView and ScrollView are not names of classes in Cocoa. NSTableView and NSScrollView are; UITableView and UIScrollView exist in Cocoa Touch, so it's important to make this distinction. Good point. I was referring to NS, not UI, and will be clearer in the future. The rows of the TableView are composited by a custom cell, and soI have overridden the -setFrameSize method of the TableView in order to determine if any rows have changed height as a consequence of the resize (if so, I invoke -noteHeightOfRowsWithIndexesChanged). After performing that calculation (and call to inform the table if any rows did change height), I then call the -setFrameSize of the super class (the NSTableView). You're doing this backwards. Your delegate should be telling your table view the size of the rows. Have your delegate listen for NSViewFrameDidChangeNotification from the table view, and have it call -noteHeightOfRowsWithIndexesChanged:. Ah yes, this makes sense -- I will recode. Thank you Kyle! ___ 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: Crashes while reordering columns in a NSTableView
On Jul 20, 2009, at 11:18 PM, Alexander Spohr wrote: Am 21.07.2009 um 00:38 schrieb Tim Schmidt: Is there any way to work around this Yes: find your memory bug. EXC_BAD_ACCESS almost always is a memory bug in your code. atze Obviously CG's bitblock transfers access unallocated memory in this case. If I accidently free said memory it completely eludes me where this might happen (I am pretty confident I don't release any of my model/controller objects unintentionally (I tried running with all the usual mallocdebug options as well as NSZombies). Furthermore all NIBs are managed by NSViewController subclasses. Can anybody point me to some advanced guides on NSTableView (beyond the class reference and tables guide). ___ 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: Crashes while reordering columns in a NSTableView
On Tue, Jul 21, 2009 at 9:32 AM, Tim Schmidtschmidt@gmx.net wrote: Obviously CG's bitblock transfers access unallocated memory in this case. No, it probably doesn't. Remember, 90% of the time, the bug is in your code. The other 10% of the time, the bug is in your code. If I accidently free said memory it completely eludes me where this might happen (I am pretty confident I don't release any of my model/controller objects unintentionally (I tried running with all the usual mallocdebug options as well as NSZombies). Use Instruments. Furthermore all NIBs are managed by NSViewController subclasses. Can anybody point me to some advanced guides on NSTableView (beyond the class reference and tables guide). There aren't any. It's not a hard class to work with. --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
Re: Crashes while reordering columns in a NSTableView
On Jul 21, 2009, at 12:32 PM, Tim Schmidt wrote: Obviously CG's bitblock transfers access unallocated memory in this case. If I accidently free said memory it completely eludes me where this might happen (I am pretty confident I don't release any of my model/controller objects unintentionally (I tried running with all the usual mallocdebug options as well as NSZombies). Furthermore all NIBs are managed by NSViewController subclasses. Can anybody point me to some advanced guides on NSTableView (beyond the class reference and tables guide). I'll assume you're not customizing the drag and drop process (or doing anything with the column drag delegate method). My own intuition tells me you might look into your cells. If you have any custom (header or data) cells for the column(s) involved or do any custom manipulation of those cells (such as with ...willDisplayCell:...) that'd be a place to start looking for memory management no-nos. Especially if it only happens with particular columns. Also, if you're using the table datasource protocol, it's possible your ...objectValue... datasource method is returning an improperly- managed instance of something or other. If you're doing anything custom, post your code. -- I.S. ___ 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: what is this currency symbol?
On Tuesday, July 21, 2009, at 12:02PM, Nick Zitzmann n...@chronosnet.com wrote: It's the international symbol for currency. Try selecting it, right- clicking, and choosing look up in dictionary for more details. Cool. I tried to Google the symbol, but didn't think to try Dictionary. From that I see I could have searched for it on Wikipedia too. On Tuesday, July 21, 2009, at 12:18PM, Kyle Sluder kyle.slu...@gmail.com wrote: Do you mean NSNumberFormatter, or are you actually trying to use NSDateFormatter for this? Whoops, I did mean NSNumberFormatter. Thanks to all for the answers -- nice to learn something. I'm still puzzled about why $ sometimes appears instead, but I should double-check that. Maybe I saw the $ on an *existing* number format that someone else had created. --Andy ___ 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: Crashes while reordering columns in a NSTableView
On Jul 21, 2009, at 10:32 AM, Tim Schmidt wrote: Obviously CG's bitblock transfers access unallocated memory in this case. If I accidently free said memory it completely eludes me where this might happen (I am pretty confident I don't release any of my model/controller objects unintentionally (I tried running with all the usual mallocdebug options as well as NSZombies). Furthermore all NIBs are managed by NSViewController subclasses. Can anybody point me to some advanced guides on NSTableView (beyond the class reference and tables guide). One thought: Are you using the -CGImage method of NSBitmapImageRep anywhere? If so, then you absolutely must not deallocate the NSBitmapImageRep while the CGImageRef is live, because the CGImageRef acquired via -CGImage is still using the NSBitmapImageRep's data. 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 arch...@mail-archive.com
Re: Crashes while reordering columns in a NSTableView
On Tuesday, July 21, 2009, Kyle Sluder kyle.slu...@gmail.com wrote: Remember, 90% of the time, the bug is in your code. The other 10% of the time, the bug is in your code. That's just not true. Plenty of bugs in the frameworks. I've personally logged dozens. It's USUALLY your code but certainly not always. There aren't any. It's not a hard class to work with. Except when it is. Why so many absolutes? Try customizing table views / columns / header views / etc. I mean beyond setting a custom data cell or adding keyboard actions. Some of these mechanisms work in unexpected (and sometimes conflicting) ways. Not all of This behavior is documented either. It's not insurmountable but it's far from easy. Tables are fairly complicated UI. If you have an app where a column is a first-class conceptual model, for example, you might need a more interactive header cell ... There be dragons. As to the OP's problem, however, I suspect the real issue is probably pretty simple since he did not mention heavy customization. Could be wrong though ... -- I.S. ___ 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: Crashes while reordering columns in a NSTableView
On Tue, Jul 21, 2009 at 9:56 AM, I. Savantidiotsavant2...@gmail.com wrote: That's just not true. Plenty of bugs in the frameworks. I've personally logged dozens. It's USUALLY your code but certainly not always. It's not intended to be an accurate statement. The point is to avoid jumping to conclusions. Framework code is far more exposed than your own, and it is immensely more likely that you've screwed up than the Quartz devs have. If you have an app where a column is a first-class conceptual model, for example, you might need a more interactive header cell ... There be dragons. You mean like OmniOutliner? :) As to the OP's problem, however, I suspect the real issue is probably pretty simple since he did not mention heavy customization. Could be wrong though ... This is where I was coming from. Then I looked at the stack trace and saw NSLayerKitGlue. He might not be doing anything complicated, but AppKit is. --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
The iPhone SDK OpenGL ES Application template
Hi all, For a typical iPhone application, after the application is finished launching, the app delegate would then 1) create an instance of UIViewController; 2) ask the view controller for its view which the controller creates on demand; 3) add the view as a subview of the window. I really like this pattern since it adheres the MVC pattern. However, inside the OpenGL ES Application XCode template, the EAGLView is added directly to the window in the nib file, leaving the controller out. My question is: since an EAGLView is a subclass of UIView, is there a particular reason for the template to not follow the common pattern to adhere the beloved MVC? ciao, wils ___ 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: Crashes while reordering columns in a NSTableView
It's not intended to be an accurate statement. The point is to avoid jumping to conclusions. Framework code is far more exposed than your own, and it is immensely more likely that you've screwed up than the Quartz devs have. I get that. I just don't think that's necessarily a good place to make that assertion. :-) My younger self spent hours on a bug I was sure was mine because it couldn't possibly be the API ... it was the API. :-) If you have an app where a column is a first-class conceptual model, for example, you might need a more interactive header cell ... There be dragons. You mean like OmniOutliner? :) I realize you work at Omni Group, so you see my point. :-) It's far from trivial to get this stuff heavily customized until you've spent a long time doing just that. Still - I own a copy of OmniOutliner registered to my real name - I see that the column headers (beyond a different drawing style) really only add right-click-to-show-context-menu action. That simple approach works perfectly for OmniOutliner, but I can think of more complicated scenarios where more direct interaction with the header itself would be the most natural approach ... *There* be dragons. :-D This is where I was coming from. Then I looked at the stack trace and saw NSLayerKitGlue. He might not be doing anything complicated, but AppKit is. All I was saying there was that it's not really possible to assign a difficulty level as we don't really know what the OP is trying yet. :-) A note: Positively no disrespect intended. -- I.S. ___ 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: The iPhone SDK OpenGL ES Application template
On Tue, Jul 21, 2009 at 10:18 AM, Wilson Chencanti.m...@gmail.com wrote: My question is: since an EAGLView is a subclass of UIView, is there a particular reason for the template to not follow the common pattern to adhere the beloved MVC? Speed? If you're using OpenGL, you're probably developing a game, and are probably going to implement your own UI anyway. The template sets you up and gets out of your way. --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
Re: [iPhone] CFAttributedStringRef autorelease - not possible?
Michael Hoy wrote: I know it doesn't support NSAttributedString. However, CFAttributedStringRef is supported. (That's why I'm using it.) The documentation reads: iPhone OS Note: While Core Foundation on iPhone OS contains CFAttributedString, there are no additions to the APIs in UIKit to add specific attributes such as font, style, or color, and there are no APIs to draw attributed strings. My question is about casting CFAttributedStringRef to id, which appears not to work in certain circumstances. For example, adding an (id)CFAttributedStringRef to an NSMutableArray appears to work fine... CFGetRetainCount() reports an increase and decrease in the retain count after adding/removing. Wrap CFAttributedStringRef (or CFMutableAttributedStringRef) in a class of your own making. Then you can be sure it will autorelease correctly. All it would need is a ref method/property that returns CFAttributedStringRef (or CFMutableAttributedStringRef), and a dealloc to call the appropriate CF function on the ref. This seems almost trivial to write, and would probably take less time than it took to create the example showing the failure. -- GG ___ 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
Responding to mouseDown in an NSImageView
My window has an NSImageView object within an NSScrollView. After setting the image and the image frame, I want to detect and respond to mouseDown on the image. The image appears in the view, but I found nothing responding to the mouseDown. I tried subclassing NSImageView and putting a -(void)mouseDown: (NSEvent *)theEvent method in the subclass. That allowed me to get and process the event, but the image did not appear in the view. Can anyone help? Lynn Barton ___ 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
Expanding NSScrollView
Hi All, I've dug around through the archives, but couldn't turn anything up that addresses this question, so I turn to the collective wisdom of the list. I'm trying to figure out how to create an NSScrollView subclass that expands vertically rather than scrolling, up to a certain height. For instance, a scrollview containing an NSTextView would expand itself when the textview exceeded the visible rect, until the textview reached a certain length, at which point normal scrolling behavior would commence. Likewise, it would shrink back along the same parameters. I am imagining that this might have something to do with the ClipView, but I may be way off. Alternatively a scrollViewShouldScroll: delegate method would be convenient at this point. If that wasn't coherent, or if anyone has any ideas, I would be sincerely grateful. Peace, Andy Shamel ___ 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: The iPhone SDK OpenGL ES Application template
On Jul 21, 2009, at 10:18 AM, Wilson Chen wrote: My question is: since an EAGLView is a subclass of UIView, is there a particular reason for the template to not follow the common pattern to adhere the beloved MVC? There is really no difference in if you want to have the view controller or not. About the only thing to keep in mind is that if you do use a view controller, don't use the orientation change support. -- David Duncan Apple DTS Animation and Printing ___ 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: Expanding NSScrollView
On Jul 21, 2009, at 11:55, Andrew Shamel wrote: I'm trying to figure out how to create an NSScrollView subclass that expands vertically rather than scrolling, up to a certain height. Expands vertically when what? When the window is resized? Or is it supposed to resize its window when it wants to expand? Expands vertically into what? Are there other elements around it that have to be moved out of the way? Is it the sole content of the window? If you can answer those questions, you'll know what to do with the scroll view. ___ 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: Expanding NSScrollView
Thanks for the quick response! I'm looking for it to expand as its documentView expands. The scrollviews are contained in a custom view called CardView, which is itself inside a scrollview which I am happy to have act in the usual fashion as the CardView gets taller and shorter as a result of its expanding and contracting contents. The custom scrollviews are arranged in a vertical stack within the CardView, and need to retain the same relative distance to one another as they expand and contract. I believe I have this relative change in position handled. It's finer control over the expansion of the scrollview itself that I'm after. I have two configurations: one containing an NSTextView, and one containing an NSTableView. For the one containing the textview, i want the scrollView to expand as the textView does (rather than letting the textView become hidden inside the scrollView), up until the textView has four lines of text at which point, normal scrolling behavior starts (i.e., the content which will not be in view is hidden and the scrollbars activate). For the one containing the tableview, I'm looking for similar behavior, only replacing four lines of text with four rows in the table. I have managed to implement this behavior manually, based on checking the size of the content and the size of the scrollview each time the data is changed (i.e., implementing the textDidChange: delegate method, and monitoring the tableview's data source for new rows) Where I am having trouble is in figuring out how to implement the behavior reliably when the CardView is automatically resized, for instance, as the window is resized. I was hoping therefore, to figure out a more generalized method of getting the scrollview or some delegate to do it automatically, observing the size of its content as the content is resized, and resizing the content as it is resized by its superview. As an example: given: CardView *card // assigned elsewhere NSScrollView *scroller //assigned elsewhere [card addSubview:scroller]; NSTextView *textView = [scroller documentView]; Say textView has a sentence of text in it that fits on one line when card is at a given width. In textView, I add another sentence, expanding to two lines of text. At this point, scroller should get taller to accommodate the text. When card shrinks as the window shrinks horizontally, scroller is resized as per its autosizing settings. As card and scroller get narrower, what had once fit on two line is now forced onto three. Normally, this would activate the scrollbars and all kinds of scrolling joy would commence. I want to be able to control its vertical expansion relative to the needs of the text inside it. As the views narrow, rather than expanding wantonly as they might with autosizing settings, I want to retain the fine control I have when new text is entered, so as to control when and how it grows and/or applies scrolling behavior. Whew! I hope that's clearer. Thanks again for your help. — a On 21 Jul 2009, at 12:12 PM, Quincey Morris wrote: On Jul 21, 2009, at 11:55, Andrew Shamel wrote: I'm trying to figure out how to create an NSScrollView subclass that expands vertically rather than scrolling, up to a certain height. Expands vertically when what? When the window is resized? Or is it supposed to resize its window when it wants to expand? Expands vertically into what? Are there other elements around it that have to be moved out of the way? Is it the sole content of the window? If you can answer those questions, you'll know what to do with the scroll view. ___ 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/mercator%40pileofdebris.com This email sent to merca...@pileofdebris.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
SecRandom.h on iPhone OS 2.2.1?
I started working on a new project, and started out using the 3.0 SDK; I'm now far enough along to realize that I don't really need to eliminate older versions, so I switched the Base SDK to 2.2.1. I do, however, use the Security framework, specifically SecRandomCopyBytes() to generate random numbers. For 3.0, this simply required adding Security.framework to my project and #importing Security/Security.h. However, when I switch to 2.2.1 and build the project, SecRandomCopyBytes and kSecRandomDefault are undeclared, even though they are documented as being Available in iPhone OS 2.0 and later. When I look at the Security.framework in my project, SecRandom.h (which is where those two things are documented as being declared in) is not included in the list of files. I found it in the file system, at /Developer/Platforms/ iPhoneOS.platform/Developer/SDKs/iPhoneOS2.2.1.sdk/System/Library/ Frameworks/Security.framework, but when I try to add *this* framework to the project, Xcode *actually* adds /Developer/Platforms/ iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator2.2.1.sdk/ System/Library/Frameworks/Security.framework instead. This latter location is where all the other frameworks (Foundation.framework, CoreGraphics.framework, et al.) in the project live, but that Security.framework does not contain SecRandom.h. Is this a situation where it works only on the device, not the simulator? That would suck rocks. Any suggestions are greatly appreciated... randy ___ 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
NSData dataWithBytes:Length: all 00
I have the following code, which is a category on NSData. It is always
called on especially designated NSData objects with four bytes.
- (NSData *)resolve {
unsigned char *buf = [self bytes];
const unsigned char *newBytes[4] = { (buf[3] - 0x08), buf[2], buf[1],
buf[0] };
for (int i = 0; i 4; i ++) {
NSLog(@%02X, newBytes[i]);
}
NSData *ret = [NSData dataWithBytes:newBytes length:4];
return ret;
}
The for statement logging the individual bytes is exactly as expected.
However, the new data object ret is . I couldn't really find
an answer on google, probably because it's a simple answer I'm
missing, so I asked here. Thanks for any help.
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Re: NSData dataWithBytes:Length: all 00
On Tue, Jul 21, 2009 at 3:38 PM, Chase Meadorsc.ed.m...@gmail.com wrote:
I have the following code, which is a category on NSData. It is always
called on especially designated NSData objects with four bytes.
- (NSData *)resolve {
unsigned char *buf = [self bytes];
const unsigned char *newBytes[4] = { (buf[3] - 0x08), buf[2], buf[1],
buf[0] };
When I compile this line, I get all kinds of warnings. Do you? And if
you do, why are you ignoring them? The warning helps point to what is
wrong.
You've allocated an array of four POINTERS, when what you want is an
array of four UNSIGNED CHARACTERS. So it should be:
const unsigned char newBytes[4] = { (buf[3] - 0x08), buf[2], buf[1], buf[0] };
for (int i = 0; i 4; i ++) {
NSLog(@%02X, newBytes[i]);
}
NSData *ret = [NSData dataWithBytes:newBytes length:4];
return ret;
}
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Re: NSData dataWithBytes:Length: all 00
Chase Meadors wrote:
I have the following code, which is a category on NSData. It is always
called on especially designated NSData objects with four bytes.
- (NSData *)resolve {
unsigned char *buf = [self bytes];
const unsigned char *newBytes[4] = { (buf[3] - 0x08), buf[2],
buf[1], buf[0] };
You've declared an array of pointers to bytes, not an array of bytes.
Take out that asterisk.
for (int i = 0; i 4; i ++) {
NSLog(@%02X, newBytes[i]);
}
NSData *ret = [NSData dataWithBytes:newBytes length:4];
return ret;
}
The for statement logging the individual bytes is exactly as expected.
However, the new data object ret is . I couldn't really find
an answer on google, probably because it's a simple answer I'm missing,
so I asked here. Thanks for any help.
___
--
James W. Walker, Innoventive Software LLC
http://www.frameforge3d.com/
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Re: SecRandom.h on iPhone OS 2.2.1?
On Jul 21, 2009, at 1:28 PM, Randall Meadows wrote: I started working on a new project, and started out using the 3.0 SDK; I'm now far enough along to realize that I don't really need to eliminate older versions, so I switched the Base SDK to 2.2.1. You don't actually need to use the 2.2.1 SDK to target 2.2.1 users – just set your deployment target appropriately and ensure you don't use any 3.0 only features when running on 2.2.1. Is this a situation where it works only on the device, not the simulator? That would suck rocks. I'm not familiar with that particular framework, but it is possible – there are a lot of things that only work on the device. -- David Duncan Apple DTS Animation and Printing ___ 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: The iPhone SDK OpenGL ES Application template
Am 21.07.2009 um 21:11 schrieb David Duncan: There is really no difference in if you want to have the view controller or not. About the only thing to keep in mind is that if you do use a view controller, don't use the orientation change support. Could you please elaborate on this? I am very interested to know - why it should be faster to do it in OpenGL - how you do it in OpenGL Thanx, atze ___ 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: The iPhone SDK OpenGL ES Application template
On Jul 21, 2009, at 2:01 PM, Alexander Spohr wrote: I am very interested to know - why it should be faster to do it in OpenGL If you use the built in orientation support, then we place a transform on the view's layer. A transform on OpenGL content will force your rendering onto a slower path on some devices. - how you do it in OpenGL You need to register for UIDevice orientation notifications and use those notifications to rotate your modelview matrix. -- David Duncan Apple DTS Animation and Printing ___ 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: Expanding NSScrollView
On Jul 21, 2009, at 12:55, Andrew Shamel wrote: I'm looking for it to expand as its documentView expands. The scrollviews are contained in a custom view called CardView, which is itself inside a scrollview which I am happy to have act in the usual fashion as the CardView gets taller and shorter as a result of its expanding and contracting contents. The custom scrollviews are arranged in a vertical stack within the CardView, and need to retain the same relative distance to one another as they expand and contract. I believe I have this relative change in position handled. It's finer control over the expansion of the scrollview itself that I'm after. I have two configurations: one containing an NSTextView, and one containing an NSTableView. For the one containing the textview, i want the scrollView to expand as the textView does (rather than letting the textView become hidden inside the scrollView), up until the textView has four lines of text at which point, normal scrolling behavior starts (i.e., the content which will not be in view is hidden and the scrollbars activate). For the one containing the tableview, I'm looking for similar behavior, only replacing four lines of text with four rows in the table. I have managed to implement this behavior manually, based on checking the size of the content and the size of the scrollview each time the data is changed (i.e., implementing the textDidChange: delegate method, and monitoring the tableview's data source for new rows) Ack! That seems far too complicated. You can have your window controller (or whatever equivalent controller you're using) register via 'addObserver:selector:name:object:' to be notified when the NSTextView or NSTableView frame changes. (Note that you have to call 'setPostsFrameChangedNotifications:YES' on those views to be able to get these notifications.) When you get a notification, compare the frame of the NSTextView or NSTableView with the bounds of the scroll view's clip view (the documentView frame and the clipView bounds are in the same coordinate system) to determine whether the clip view is too big, too small or just right. If the clip view is the wrong size, you need to resize the view containing the scroll view (so that the things adjacent to the scroll view move out of its way) by the amount that the clip view is wrong. Autoresizing should then trickle down and produce the results you want. There are a few things to be careful of: -- resizing view while you're in the notification handler method may cause additional notifications, and you need to handle that -- if you want the number of line/rows to change for other reasons (e.g. when you resize the window), you might have to observe the clip view frame too -- if you have autohiding vertical scroll bars on you NSTextView or NSTableView, you may end up in a situation where the scroll view size change bounces up and down, and you need to handle that HTH ___ 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: Borderless window and focus
On Jul 21, 2009, at 4:56 PM, ss2 cire wrote:
I have the following code to initialize a borderless window for
fullscreen
- (void)initFullScreenWindow
{
NSScreen *theScreen = [[NSScreen screens] objectAtIndex:0];
NSRect screenRect = NSMakeRect(0, 0, [theScreen frame].size.width,
[theScreen frame].size.height);
fullScreenWindow = [[NSWindow alloc] initWithContentRect:screenRect
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:YES];
}
I would recommend creating a subclass of NSWindow. In its designated
initializer, call initWithContentRect as above. You may also want
to set the following properties:
[self setMovableByWindowBackground:NO];
[self setHasShadow:NO];
[self useOptimizedDrawing:YES];
Also provide these in your subclass:
- (BOOL)canBecomeKeyWindow
{
return YES;
}
- (BOOL)canBecomeMainWindow
{
return YES;
}
In your code that creates the instance of this custom window, issue a
makeKeyAndOrderFront on that instance. Things should then work a-ok.
then i have this code to show/hide the menubar and do my
fullscreen window magic:
- (IBAction)showHideMenubar:(id)sender
{
if(fullScreenWindow == nil) {
[self initFullScreenWindow];
}
if([NSMenu menuBarVisible]) {
[NSMenu setMenuBarVisible:NO];
[RSCWindow orderOut:self];
[fullScreenWindow setContentView:rsWebView];
[fullScreenWindow makeKeyAndOrderFront:self];
} else {
[fullScreenWindow orderOut:self];
[RSCWindow setContentView:rsWebView];
[RSCWindow makeKeyAndOrderFront:self];
[rsWebView setFrame:rsWebViewNormalWindowFrame];
[NSMenu setMenuBarVisible:YES];
}
}
You can also use the SetSystemUIMode API to control the visibility of
menu bar and/or dock.
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Instant Interactive(tm) http://www.instantinteractive.com
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List FAQ and Cocoa learning resources
Didn't there used to be a FAQ list for Cocoa-Dev? Several people recently asked me for links to introductory Cocoa and Cocoa Touch information. I pointed iPhone folks to http://developer.apple.com/iphone/library/navigation/GettingStarted.html and the others to http://developer.apple.com/referencelibrary/GettingStarted/GS_Cocoa/index.html . The Cocoa Getting Started link was actually hard to find. It is buried under Reference Library and then Cocoa. I seem to remember it being on the front page of Mac Dev Center the way the similar link is on the front page of iPhone Dev Center. Anyway, I didn't find a FAQ for this list. Does one exist? Did I miss it because I always read through Cocoabuilder ? Do any of you recommend technical conferences or training for introductory Cocoa developers? At least one person asked me to recommend training that his company could reimburse. I have always heard great things about the Big Nerd Ranch and enjoy Aaron Hillegass' books. Are there other formal training opportunities outside of full blown university courses? Are there informal courses beyond the fabulous university pod casts on iTunes? There is the annual WWDC. Isn't there a conference in Chicago too? I think MacHack in Flint MI is defunct - right? I know about http://www.voicesthatmatter.com/iphone2009/ in Boston because I will be speaking at it (blatant plug - contact me for attendee discounts...) Are there any other conferences? Are there any in Europe, Asia, or Australia? Is the http://www.cocoadev.com/ Wiki a good place to send newbies in your opinion? I used to think so, but the site seems chaotic and stale now... I would love to be corrected though. ___ 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
Found Re: List FAQ and Cocoa learning resources
Sorry. Right after I posted, I found http://www.cocoadev.com/index.pl?FAQs On Jul 21, 2009, at 6:07 PM, Erik Buck wrote: Didn't there used to be a FAQ list for Cocoa-Dev? Several people recently asked me for links to introductory Cocoa and Cocoa Touch information. I pointed iPhone folks to http://developer.apple.com/iphone/library/navigation/GettingStarted.html and the others to http://developer.apple.com/referencelibrary/GettingStarted/GS_Cocoa/index.html . The Cocoa Getting Started link was actually hard to find. It is buried under Reference Library and then Cocoa. I seem to remember it being on the front page of Mac Dev Center the way the similar link is on the front page of iPhone Dev Center. Anyway, I didn't find a FAQ for this list. Does one exist? Did I miss it because I always read through Cocoabuilder ? Do any of you recommend technical conferences or training for introductory Cocoa developers? At least one person asked me to recommend training that his company could reimburse. I have always heard great things about the Big Nerd Ranch and enjoy Aaron Hillegass' books. Are there other formal training opportunities outside of full blown university courses? Are there informal courses beyond the fabulous university pod casts on iTunes? There is the annual WWDC. Isn't there a conference in Chicago too? I think MacHack in Flint MI is defunct - right? I know about http://www.voicesthatmatter.com/iphone2009/ in Boston because I will be speaking at it (blatant plug - contact me for attendee discounts...) Are there any other conferences? Are there any in Europe, Asia, or Australia? Is the http://www.cocoadev.com/ Wiki a good place to send newbies in your opinion? I used to think so, but the site seems chaotic and stale now... I would love to be corrected though. ___ 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
change color on a NSButton
I have a Gradient button. An NSButton with Bezel Style set to NSShadowlessSquareBezelStyle. I would like to make the button appear with the blue highlight at times. The best way for me to describe this is if look at the segment control. It has three states on a segment, not selected, mouse down on a segment, and selected. The selected states is a gradient blue. I would like to have these same three states for my NSButton. Is there a way to do this? thanks for the help. enjoy -dave ___ 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: Missing vertical scroll bar - resolved
My error was that I changed a frame origin and forgot to accommodate the change by increasing the frame size of the superview, thereby clipping off the vertical scroll bar. Ok - IB is a great tool with a few flaws. I love my new little compact car, but I use my Eurovan when I go camping, or need to have more than 4 people in the car, or need to bring something 6 feet long home from the store. Using IB requires a lot of coding effort to handle a dynamic number of subviews, and my experience was better with the programmatic approach. Dynamic sizes is beyond the scope of IB. It was suggested that I build the view tree with IB, but there is no tree until run-time when the number of windows and the numbers of tabs for the tab views are supplied. Also, I indicated that the frame of the workspace (the scroll view clip view is specified at run-time (or defaults-setting time) by the user. The Cocoa view hierarchy AP (and hence, IB) does not accommodate resizing from inside out without doing the same calculations I was doing. I've successfully done before what I was trying to do here. I've also experimented with multiple instantiation of NIB's, and my experience was that it was harder to do and took longer to debug, especially with the undocumented side-effects I experienced. A theological insistence on using IB where it is awkward to use is a kind of blind spot, too. Long ago, when I was an electrical engineering student, a prof gave an exam with a problem which involved solving for the roots of a quadratic equation. We dutifully attacked the problem with our slide rules (no HP300's yet). We got bad answers because we failed to realize that the solution involved the difference of two nearly identical numbers which could not be entered with enough precision using results from our slide rules. We should have used a different technique in this case, but we were bent on using that wondrous tool - the slide rule. Dale Miller dalelmil...@cableone.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: AppleScript Record and NSDictionary
On Jul 21, 2009, at 6:51 PM, Steve Cronin wrote:
From my Cooca app I want to call an AppleScript with several
parameters one of which is an AppleScript record.
[...]
When I look at the docs for -recordDescriptor and I see the 4
character code business - I get the ugly sinking feeling but maybe
that's the only way...
I've tried to move the coercion into AppleScript but there is
nothing that will do that except the magic 'user record fields'.
But there are warnings about resouce use for the 'magic' values
(And anyway while seated in front of this machine, I don;t really
like magic!!)
- (NSAppleEventDescriptor) coerceDictionary(NSDictioanary
*)dictionary {
NSAppleEventDescriptor *result = [NSAppleEventDescriptor
recordDescriptor];
NSArray *keysArray = [dictionary allKeys];
NSArray *valuesArray = [dictionary allValues];
unsigned int keyCoount = [keysArray count];
for ( i = 0; i keyCount; i++) {
//the good stuff happens here
}
return result;
}
So is there an exprienced soul out there who might share a snippet
of code or a an illuminating link?
Since you omitted // the good stuff happens here it isn't clear to
me what, if anything, you've already tried.
An AE record is keyed by four character codes. There is a special key
- keyASUserRecordFields - which is an AEList of sequential keys and
values. When this is present in the record, these appear as string
keys to AppleScript.
So, create an AE record, and add an appropriate list to the record
with the key of keyASUserRecordFields. Whether you write this code
using the C API or the Foundation NSAppleEventDescriptor API is now
just an implementation detail :-)
Jim
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Re: Responding to mouseDown in an NSImageView
On Jul 21, 2009, at 11:35 AM, Lynn Barton wrote: My window has an NSImageView object within an NSScrollView. After setting the image and the image frame, I want to detect and respond to mouseDown on the image. The image appears in the view, but I found nothing responding to the mouseDown. I tried subclassing NSImageView and putting a -(void)mouseDown: (NSEvent *)theEvent method in the subclass. That allowed me to get and process the event, but the image did not appear in the view. Can anyone help? Not with the minimal information you've given. Show us the code. -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 arch...@mail-archive.com
Confirm bug with [NSColor colorWithPatternImage:]?
Using [NSColor colorWithPatternImage:] appears to ignore the resolution of the image. For example if I have a 100 x 100 pixel 600 dpi image, the pattern is rendered with 100 x 100 point tiles at 72 dpi, rather than 12 x 12 point tiles at 600 dpi. Is this intentional, or is it a bug? Also, when the same pattern is printed rather than drawn on screen, it still has 72 dpi resolution, which is very pixellated and looks nasty (jn my test case the pattern consists of many fine dots). I'm creating the pattern like this: NSImage* image = [[NSImage alloc] initWithContentsOfFile:[sheet filename]]; [image setCacheMode:NSImageCacheNever]; [image setScalesWhenResized:YES]; [image recache]; NSColor* patColour = [NSColor colorWithPatternImage:image]; [image release]; (the cache never setting was an attempt to avoid this problem but it has no effect). --Graham ___ 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
