What I am trying to accomplish with Cocos2d, is to create a horizontal menu, which can be swiped from left to right. I posted an image, to show my idea. The image below has a white bar, where I want to show MenuItem objects, now I want to be able to do a swipe in the white region, so that the next menu item is centered. The problem I...
I know that the View XIB has a view already in place, but are there any other differences? I've read tutorials which say to create a View XIB, change the class and delete the view, then insert a Table View and remake the connections (File's Owner to the Table View, Table View delegate and datasource back to the File's Owner). Is there an...
I'm new to Mac and Objective-C, so I may be barking up the wrong tree here and quite possibly there are better ways of doing this. I have tried the code below and it doesn't seem right. It seems I don't get the correct length in the call to FSCreateDirectoryUnicode. What is the simplest way to accomplish this? NSString *theString = @"M...
Hi , I am adding a UIScrollView as a subview to the controllers view. After that i am adding 2 views to the scroll view as the content view. When I am printing the subviews of the scroll views using NSLog(@"Scroll View Subviews : %@", [scrollViewObj subviews]); then it is displaying 4 subviews , 2 for the views added to the scroll vie...
Hi, I'm trying to extend NSImageView so I can delegate the drag/drop responsibility to the controller. It all works fine with the one problem that the compiler is now displaying warnings about sending messages to objects with type id. To solve this I assumed I would simply have to suffix the ivar's type with the name of the protocol. Ho...
Hi, I have this problem with Cocoa, I am calling a function and passing an Array to it: Some where I call the function: [self processLabels:labels]; And the function is as follow: - (void)processLabels:(NSMutableArray*)labs{ labs = [[NSMutableArray alloc] init]; [labs addObject:@"Random"]; .... } When debugging, I notice...
I am getting the Error/Warning about a part of my code saying 'Messages Without A Matching Method Signature will be assumed to return 'id' and accept '…' as arguments.)' I do not understand why I am getting this error, so i am looking for some help, below is a link to that part of code in the implementation file. http://fwdr.org/h8xf H...
I have a small class hierarchy where I would like to have a child class be a property of it's parent class and all related subclasses. Essentially, I have AbstractClass with a property of GroupClass. GroupClass is a child of AbstractClass. UsableObjectClass is a child of AbstractClass and uses GroupClass. If I do the following... #...
I have a file system path in a NSString, but I need an FSRef for the system call I will be making. What is the best way to create the FSRef? ...
Does this control have a name? Or is it just a bunch of simple controls merged together? If so, what controls are they? http://img8.imageshack.us/img8/3002/picture2xrb.png ...
There's a file type my application import but not save. I've added an entry to the document types and set it to read-only, but that doesn't yield the import behaviour that I'm looking for. Instead, my app will just open the file and when I save the original file is overwritten in my own file format. How to set up my document or document...
I am developing a Mac application in XCode. I need to add a hyperlink which navigates to a particular site. I tried this using a button, but I need to know how to change the cursor to hand cursor when mouse is over that button. ...
I have a Core Data entity called Post. One of it's attributes is called updated and it is a date. The stored XML looks like this: <attribute name="updated" type="date">266164481.00000000000000000000</attribute> From this I concluded that the data is being stored correctly. When I read the data back the returned value is a NSCFNumber, ...
There's some way to test for an objective-c instance for being dealloced/freed (retain count == 0)?? By example, object A have a reference (pointer) to object B, but object B can be freed in memory low levels, how i test reference B to be sure it was dealloced?? @interface A : NSObject { B b; } @implementation A { - (void) someAc...
I want to use windowShouldClose: in my NSWindowController subclass to pop up a sheet asking if the user wants to save changes before closing with Save, Cancel, and Don't Save buttons. The issue I'm running in to is that beginSheetModalForWindow:... uses a delegate instead of a return value. I can return NO in windowShouldClose:, but th...
What it says on the tin: I'd like to use the @property/@synthesize syntax to define a property on my Objective-C 2.0 class, but I want to place restrictions on the range of values allowed in the property. For example: @interface MyClass : NSObject { int myValue; } @property (nonatomic) int myValue; Implementation: @implementat...
In a OS X game calling this was recommended as the way to get keyboard and mouse events. NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; for(;;) { NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:YES]; if(!event) break; processevent(event); ... } [...
I'm a beginner,thank u very much. ...
A general question on style and best practices... I have an ObjC controller object. After alloc/init of the object, I get it to do a job asynchronously: [myObject doSomeThingsOverTime]; The method sets things in motion, and then returns immediately. Question: what is the best way to be notified of the result in the future, so that I...
I am trying to develop an app which can have multiple views (up to 30). Each view will have have similar navigation but the content will be different. Do I have to create 30 view controllers or can I get around by creating a view controller for the data (content) alone. I am sure creating multiple view controllers is going to be ineffice...