UI周り

UITest.m

// Comboboxを初期化
[_directoryField selectItemAtIndex:0];

// Comboboxの選択されているindexを取得
[_directoryField indexOfSelectedItem]

// NSWidowを半透明に（0.0 ~ 1.0)
    [_window setAlphaValue:1.0];

// 背景を設定
  NSColor *color = [NSColor colorWithCalibratedRed:0.99 green:0.99 blue:0.99 alpha:0.99];
  [_window setBackgroundColor:color];

// フェードアウトでの切り替え
- (void)showWindow:(id)sender
{
 [_window orderFront:nil];

 NSMutableDictionary* dict = [NSMutableDictionary dictionary];
 [dict setObject:_window forKey:NSViewAnimationTargetKey];
 [dict setObject:NSViewAnimationFadeOutEffect forKey:NSViewAnimationEffectKey];

 NSViewAnimation *anim = [[NSViewAnimation alloc]
        initWithViewAnimations:[NSArray arrayWithObject:dict]];
 [anim setDuration:1];
 [anim setAnimationCurve:NSAnimationEaseIn];
 
 [anim startAnimation];
 [anim release];
}