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Fix the capsule rounding #35

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Merged
TimOliver merged 3 commits into from
Nov 10, 2025
Merged

Fix the capsule rounding #35

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f7c7c30
Clean up inconsistent rounding on iOS
TimOliver Nov 3, 2025
fe0a17c
Added Liquid Glass support
TimOliver Nov 8, 2025
cea01c2
Reverted Liquid Glass support
TimOliver Nov 8, 2025
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36 changes: 21 additions & 15 deletions TOSegmentedControl/TOSegmentedControl.m
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Original file line number Diff line number Diff line change
Expand Up @@ -140,21 +140,12 @@ - (void)commonInit {
UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.trackView.layer.masksToBounds = YES;
self.trackView.userInteractionEnabled = NO;
#ifdef __IPHONE_13_0
if (@available(iOS 13.0, *)) {
self.trackView.layer.cornerCurve = kCACornerCurveContinuous;
}
#endif

[self addSubview:self.trackView];

// Create thumb view
self.thumbView = [[UIView alloc] initWithFrame:CGRectMake(2.0f, 2.0f, 100.0f, 28.0f)];
self.thumbView.layer.shadowColor = [UIColor blackColor].CGColor;
#ifdef __IPHONE_13_0
if (@available(iOS 13.0, *)) {
self.thumbView.layer.cornerCurve = kCACornerCurveContinuous;
}
#endif
[self.trackView addSubview:self.thumbView];

// Create list for managing each item
Expand Down Expand Up @@ -1272,15 +1263,30 @@ - (void)setCornerRadius:(CGFloat)cornerRadius {
[self _updateCornerRadius];
}

- (BOOL)_isCapsuleShape {
return _cornerRadius == TOSegmentendControlCapsuleCornerRadius;
}

- (CGFloat)_cornerRadiusValue {
const BOOL isCapsuleShape = _cornerRadius == TOSegmentendControlCapsuleCornerRadius;
return isCapsuleShape ? CGRectGetHeight(self.trackView.frame) / 2.0f : _cornerRadius;
return [self _isCapsuleShape] ? CGRectGetHeight(self.trackView.frame) / 2.0f : _cornerRadius;
}

- (void)_updateCornerRadius {
const CGFloat cornerRadius = [self _cornerRadiusValue];
self.trackView.layer.cornerRadius = cornerRadius;
self.thumbView.layer.cornerRadius = (cornerRadius - _thumbInset) + 1.0f;
if (@available(iOS 26.0, *)) {
self.trackView.cornerConfiguration = [UICornerConfiguration configurationWithRadius:[UICornerRadius fixedRadius:cornerRadius]];
self.thumbView.cornerConfiguration = [UICornerConfiguration configurationWithRadius:[UICornerRadius fixedRadius:cornerRadius - _thumbInset]];
} else {
self.trackView.layer.cornerRadius = cornerRadius;
self.thumbView.layer.cornerRadius = (cornerRadius - _thumbInset);

#ifdef __IPHONE_13_0
if (@available(iOS 13.0, *)) {
self.thumbView.layer.cornerCurve = kCACornerCurveContinuous;
self.trackView.layer.cornerCurve = kCACornerCurveContinuous;
}
#endif
}
}

// -----------------------------------------------
Expand Down Expand Up @@ -1472,7 +1478,7 @@ - (void)setSelectedTextFont:(UIFont *)selectedTextFont {

- (void)setThumbInset:(CGFloat)thumbInset {
_thumbInset = thumbInset;
self.thumbView.layer.cornerRadius = ([self _cornerRadiusValue] - _thumbInset) + 1.0f;
self.thumbView.layer.cornerRadius = ([self _cornerRadiusValue] - _thumbInset);
}

// -----------------------------------------------
Expand Down
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