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处理按钮之间点不到的问题 HitInside

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CodeST
2026-01-08 20:18:37 +08:00
parent 11d8f78b1b
commit 674f09d5b6
1 changed files with 45 additions and 10 deletions
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55
CustomKeyboard/View/KBKeyboardView.m
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@@ -135,27 +135,42 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
if ([hit isKindOfClass:[KBKeyButton class]]) { if ([hit isKindOfClass:[KBKeyButton class]]) {
return hit; return hit;
} }
if (hit == self || hit == self.row1 || hit == self.row2 || hit == self.row3 || hit == self.row4) { if ([self kb_isHitInsideKeyRows:hit]) {
KBKeyButton *btn = [self kb_nearestKeyButtonForPoint:point]; KBKeyButton *btn = [self kb_nearestKeyButtonForPoint:point];
if (btn) { return btn; } if (btn) { return btn; }
} }
return hit; return hit;
} }
- (BOOL)kb_isHitInsideKeyRows:(UIView *)hitView {
if (!hitView) { return NO; }
if (hitView == self) { return YES; }
if ([hitView isDescendantOfView:self.row1]) { return YES; }
if ([hitView isDescendantOfView:self.row2]) { return YES; }
if ([hitView isDescendantOfView:self.row3]) { return YES; }
if ([hitView isDescendantOfView:self.row4]) { return YES; }
return NO;
}
- (KBKeyButton *)kb_nearestKeyButtonForPoint:(CGPoint)point { - (KBKeyButton *)kb_nearestKeyButtonForPoint:(CGPoint)point {
// 扩大按键的可点击区域，优先响应间隙点击（贴近系统键盘手感）。
CGFloat slopX = KBFit(8.0f);
CGFloat slopY = KBFit(4.0f);
KBKeyButton *best = nil; KBKeyButton *best = nil;
CGFloat bestDistance = CGFLOAT_MAX; CGFloat bestDistance = CGFLOAT_MAX;
NSArray<UIView *> *rows = @[self.row1, self.row2, self.row3, self.row4]; NSArray<UIView *> *rows = @[self.row1, self.row2, self.row3, self.row4];
UIView *targetRow = nil;
for (UIView *row in rows) { for (UIView *row in rows) {
for (UIView *view in row.subviews) { CGRect rowFrame = [self convertRect:row.bounds fromView:row];
if (![view isKindOfClass:[KBKeyButton class]]) { continue; } if (CGRectContainsPoint(rowFrame, point)) {
KBKeyButton *btn = (KBKeyButton *)view; targetRow = row;
CGRect frame = [self convertRect:btn.frame fromView:row]; break;
CGRect hitFrame = CGRectInset(frame, -slopX, -slopY); }
if (!CGRectContainsPoint(hitFrame, point)) { continue; } }
NSArray<UIView *> *candidateRows = targetRow ? @[targetRow] : rows;
for (UIView *row in candidateRows) {
NSArray<KBKeyButton *> *buttons = [self kb_collectKeyButtonsInView:row];
for (KBKeyButton *btn in buttons) {
CGRect frame = [self convertRect:btn.frame fromView:btn.superview];
CGFloat dx = point.x - CGRectGetMidX(frame); CGFloat dx = point.x - CGRectGetMidX(frame);
CGFloat dy = point.y - CGRectGetMidY(frame); CGFloat dy = point.y - CGRectGetMidY(frame);
CGFloat dist = (dx * dx) + (dy * dy); CGFloat dist = (dx * dx) + (dy * dy);
@@ -168,6 +183,26 @@ static const CGFloat kKBLettersRow2EdgeSpacerMultiplier = 0.5;
return best; return best;
} }
- (NSArray<KBKeyButton *> *)kb_collectKeyButtonsInView:(UIView *)view {
if (!view) { return @[]; }
NSMutableArray<KBKeyButton *> *buttons = [NSMutableArray array];
[self kb_collectKeyButtonsInView:view into:buttons];
return buttons.copy;
}
- (void)kb_collectKeyButtonsInView:(UIView *)view
into:(NSMutableArray<KBKeyButton *> *)buttons {
for (UIView *sub in view.subviews) {
if ([sub isKindOfClass:[KBKeyButton class]]) {
[buttons addObject:(KBKeyButton *)sub];
continue;
}
if (sub.subviews.count > 0) {
[self kb_collectKeyButtonsInView:sub into:buttons];
}
}
}
#pragma mark - Key Model Construction #pragma mark - Key Model Construction
// 创建当前布局下各行的 KBKey 列表 // 创建当前布局下各行的 KBKey 列表