Partially converted to modern Objective-C

Signed-off-by: michael starke <michael.starke@hicknhack-software.com>

MacPass/MPContextToolbarButton.m

@@ -106,10 +106,18 @@
     default:
       break;
   }
+  if([self.superclass instancesRespondToSelector:@selector(setControlSize:)]) {
+    super.controlSize = controlSize;
+  }
+  else {
     self.cell.controlSize = controlSize;
+  }
 }
 
 - (NSControlSize)controlSize {
+  if([self.superclass instancesRespondToSelector:@selector(controlSize)]) {
+    return super.controlSize;
+  }
   return self.cell.controlSize;
 }
 

MacPass/MPToolbarButton.m

@@ -64,6 +64,9 @@
 }
 
 - (NSControlSize)controlSize {
+  if([self.superclass instancesRespondToSelector:@selector(controlSize)]) {
+    return super.controlSize;
+  }
   return self.cell.controlSize;
 }
 

MacPass/MPToolbarItem.m

@@ -33,7 +33,7 @@
     if(validateTarget) {
       isValid &= [validateTarget validateToolbarItem:self];
     }
-    [self setEnabled:isValid];
+    self.enabled = isValid;
   }
 }
 @end

MacPass/NSError+Messages.h

@@ -14,6 +14,6 @@ FOUNDATION_EXPORT NSString *const MPErrorDomain;
 
 + (NSError *)errorWithCode:(NSInteger)code description:(NSString *)description;
 
-- (NSString *)descriptionForErrorCode;
+@property (nonatomic, readonly, copy) NSString *descriptionForErrorCode;
 
 @end

MacPass/NSError+Messages.m

@@ -13,7 +13,7 @@ NSString *const MPErrorDomain       = @"com.hicknhack.macpass.error";
 @implementation NSError (Messages)
 
 - (NSString *)descriptionForErrorCode {
-  return [NSString stringWithFormat:@"%@ (%ld)", [self localizedDescription], [self code] ];
+  return [NSString stringWithFormat:@"%@ (%ld)", self.localizedDescription, self.code ];
 }
 
 + (NSError *)errorWithCode:(NSInteger)code description:(NSString *)description {