#define thumbBound_x 10
#define thumbBound_y 20
@interface MGSlider:UISlider?
@property (nonatomic, assign) CGRect ?lastBounds;
@end
@implementation MGSlider
//MARK:擴(kuò)大滑塊的觸摸區(qū)域
- (CGRect)thumbRectForBounds:(CGRect)bounds trackRect:(CGRect)rectvalue:(float)value {
? ? rect.origin.x= rect.origin.x;
? ? rect.size.width= rect.size.width;
? ? CGRectresult = [super thumbRectForBounds:bounds trackRect:rect value:value];
? ? lastBounds= result;
? ? return result;
}
- (UIView*)hitTest:(CGPoint)pointwithEvent:(UIEvent*)event{
? ? UIView*result = [super hitTest:pointwithEvent:event];
? ? if(point.x<0|| point.x>self.bounds.size.width){
? ? ? returnresult;
? ? }
? ? if((point.y>= -thumbBound_y) && (point.y
? ? ? ? ? ? floatvalue =0.0;
? ? ? ? ? ? value = point.x-self.bounds.origin.x;
? ? ? ? ? ? value = value/self.bounds.size.width;
? ? ? ? ? ? value = value <0?0: value;
? ? ? ? ? ? value = value >1?1: value;
? ? ? ? ? ? value = value * (self.maximumValue-self.minimumValue) +self.minimumValue;
//? ? ? ? ? ? [self setValue:value animated:YES];
? ? }
? ? return result;
}
- (BOOL)pointInside:(CGPoint)pointwithEvent:(UIEvent*)event{
? ? BOOL result = [super pointInside:pointwithEvent:event];
? ? if(!result && point.y> -10) {
? ? ? ? if((point.x>=lastBounds.origin.x-thumbBound_x) && (point.x<= (lastBounds.origin.x+lastBounds.size.width+thumbBound_x)) && (point.y< (lastBounds.size.height+thumbBound_y))) {
? ? ? ? ? ? result =YES;
? ? ? ? }
? ? }
? ? ? return result;
}
@end
