Recent questions tagged cocoa

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cocoa - How can I programmatically move one Terminal.app window to another space?

If I have several OS-X Terminal.app windows open, how can I move one Terminal window to another space? I'm ... an application not all windows.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa touch - iPhone SDK 4 "Half curl page transition"

In Steve Jobs' keynote announcement of the iPhone SDK 4 earlier this year, one of the slides showed that a " ... Does anyone know where it is? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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cocoa - NSWindow Mac App Store like Title Bar

How could I make an NSWindow's title bar look like that of the Mac App Store or of the app Feeder where it' ... made to look like the title bar? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - Objective-C Tidy

I have a somewhat messily-formatted Objective-C code base. Is there a way to have Xcode reformat an entire ... tools that might accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - How to add base SDK for 10.5 in xCode 4

I've installed xCode 4 last night and tried to compile a software which should support 10.5 and above OSs. ... this problem? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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cocoa touch - Resizable UILabel which scrolls across the screen

Right, I'm trying to get a label with text in it (done already obviously), which scrolls across the screen. ... this. Thanks in advance. Dom See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - Embedded Webkit - script callbacks how?

On windows, when the "Shell.Explorer" ActiveX control is embedded in an application it is possible to register an ... to interact with the host? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - Dynamically invoke a class method in Objective C

Suppose I have Objective C interface SomeClass which has a class method called someMethod: @interface SomeClass : NSObject { } + ... { // ??? } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - Text change notification for an NSTextField

I would like to use the code from the answer to this question: How to observe the value of an NSTextField on an ... can be used in this case ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa touch - masking a UIImage

I'm working on an app that can change the borders or a rectangular UIImage. The borders will vary, but will ... programmatic way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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cocoa - NSTableView: detecting a mouse click together with the row and column

I'm trying to detect when a mouse click occurs in an NSTableView, and when it does, to determine the row and ... and correct) way of doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cocoa - How do you make the Application window open when the dock icon is clicked?

I'm surprised this doesn't happen automatically, but I would like my applications window to open automatically when ... i click the dock icon. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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cocoa - Programming a Filter/Backend to 'Print to PDF' with CUPS from any Mac OS X application

Okay so here is what I want to do. I want to add a print option that prints whatever the user's document is to ... step-by-step how you did it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

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cocoa - Testing file existence using NSURL

Snow Leopard introduced many new methods to use NSURL objects to refer to files, not pathnames or Core Services' ... -system object that exists? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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390 views

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cocoa touch - Creating a "chat bubble" on the iPhone, like Tweetie

Just curious, did I overlook somewhere in the API to display a chat bubble type image as found in the iPhone' ... the content of the tweets are. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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cocoa touch - iPhone UITableViewCell layer shadow

I'm trying to add a shadow to a UITableViewCell using the layer.shadowColor, Offset, Radius but it doesn't seem ... = CGSizeMake(10, 10); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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510 views

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cocoa - How to implement HUD-style window like Address Book's "Show in Large Type"

Several apps, including the built-in Address Book use a HUD window that is semi-transparent, with large shadowed ... best way to implement it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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511 views

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cocoa - const vs static NSStrings in Objective-C

These lines are both in the implementation file above the @implementation declaration. NSString * const aVar = @" ... is accessed in contrast? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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535 views

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cocoa - How to get height for NSAttributedString at a fixed width

I want to do some drawing of NSAttributedStrings in fixed-width boxes, but am having trouble calculating the right ... else has managed this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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574 views

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cocoa - Drag and Drop with NSStatusItem

I'm trying to write an application that allows the user to drag files from the Finder and drop them onto an ... and drop with an NSStatusItem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

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cocoa - Efficient method to draw a line with millions of points

I'm writing an audio waveform editor in Cocoa with a wide range of zoom options. At its widest, it shows ... https://github.com/syedhali/EZAudio See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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476 views

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cocoa touch - How can I customize the accessory disclosure image in a UITableViewCell?

I would like to use a custom version of the standard disclosure accessory image in my UITableView. How can ... for something this basic. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

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cocoa - Can a category implement a protocol in Objective C?

I have a category on NSDate and it would be convenient if it could implement a protocol I previously created. ... the correct syntax for this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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434 views

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cocoa - How can I dynamically create a selector at runtime with Objective-C?

I know how to create a SEL at compile time using @selector(MyMethodName:) but what I want to do is create ... -time @selector(myTarget:) syntax. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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541 views

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cocoa - How to listen to global hotkeys with Swift in an OS X app?

I'm trying to have a handler in my Mac OS X app written in Swift for a global (system-wide) hotkey ... concept Swift code? Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

1 answer

cocoa - What's the difference and compatibility of CGLayer and CALayer?

I'm confusing CGLayer and CALayer. They look similar, so why are there separate implementations? What's the ... of, CGLayer and CALayer? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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cocoa - NSViewController and multiple subviews from a Nib

I'm having a difficult time wrapping my head around loading views with Interface Builder and NSViewController. My goal ... to super for now. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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457 views

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cocoa - Xcode 4 and nested projects -- header files not found

I'm having a myriad of problems with Xcode 4 and nested projects that worked just well under Xcode 3.2. ... the linker can link successfully. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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