Nib Files and NSWindowController(Chapter 12 of Cocoa Programming for Mac OS X)

缺乏、安全感 2021-11-10 00:22 142阅读 0赞

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][] PreferenceController

1  \#import  " PreferenceController.h "   
  2    
  3    
  4  @implementation PreferenceController  
  5    
  6   \-  (id)init  
  7  \{  
  8       if ( ! \[super initWithWindowNibName: @" Preferences " \])  
  9      \{  
 10           return  nil;  
 11      \}  
 12        
 13       return  self;  
 14  \}  
 15    
 16   \-  ( void )windowDidLoad  
 17  \{  
 18      NSLog( @" Nib file is loaded " );  
 19  \}  
 20    
 21   \-  (IBAction)changeBackgroundColor:(id)sender  
 22  \{  
 23      NSColor  \* color  =  \[colorWell color\];  
 24      NSLog( @" Color changed: %@ " , color);  
 25  \}  
 26    
 27   \-  (IBAction)changeNewEmptyDoc:(id)sender  
 28  \{  
 29       int  state  =  \[checkbox state\];  
 30      NSLog( @" Checkbox changed %d " , state);  
 31  \}  
 32    
 33  @end

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][] AppController

1  \#import  " AppController.h "   
  2  \#import  " PreferenceController.h "   
  3    
  4  @implementation AppController  
  5    
  6   \-  (IBAction)showPreferencePanel:(id)sender  
  7  \{  
  8       if ( ! preferenceController)  
  9      \{  
 10          preferenceController  =  \[\[PreferenceController alloc\] init\];  
 11      \}  
 12      NSLog( @" showing %@ " , preferenceController);  
 13      \[preferenceController showWindow:self\];  
 14  \}  
 15    
 16  @end

转载于:https://www.cnblogs.com/zhtf2014/archive/2011/02/21/1959913.html

[ContractedBlock.gif]: https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif
[ExpandedBlockStart.gif]: /images/20211109/fa92e7febfcc4a98b19e0104ef5b597f.png