Created
April 23, 2011 03:57
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| @interface NSScrollView (swipe) | |
| - (void) scrollToTop; | |
| - (void) scrollToBottom; | |
| @end | |
| static const CGFloat kSwipeGestureUp = 1.0; | |
| static const CGFloat kSwipeGestureDown = -1.0; | |
| @implementation NSScrollView (swipe) | |
| - (void) swipeWithEvent:(NSEvent *)event { | |
| if([event deltaY] == kSwipeGestureUp) { | |
| [self scrollToTop]; | |
| } else if([event deltaY] == kSwipeGestureDown) { | |
| [self scrollToBottom]; | |
| } | |
| } | |
| - (void) scrollToTop { | |
| CGFloat y = 0.0; | |
| if(![self.documentView isFlipped]) { | |
| y = NSMaxY([self.documentView frame]) - NSHeight([self.contentView bounds]); | |
| } | |
| [self.documentView scrollPoint:NSMakePoint(0.0, y)]; | |
| } | |
| - (void) scrollToBottom { | |
| CGFloat y = 0.0; | |
| if([self.documentView isFlipped]) { | |
| y = NSMaxY([self.documentView frame]) - NSHeight([self.contentView bounds]); | |
| } | |
| [self.documentView scrollPoint:NSMakePoint(0.0, y)]; | |
| } | |
| @end |
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