carousel fixes (#1035)

* conditional preventdefault on touch move

* fix: startIndex works now

* remove logs

Author: thejackshelton

packages/kit-headless/src/components/carousel/carousel.css

@@ -98,4 +98,8 @@
   [data-qui-carousel-scroller]:hover [data-qui-scroll-start]::before {
     scroll-snap-align: unset;
   }
+
+  [data-initial] [hidden] {
+    display: none;
+  }
 }

packages/kit-headless/src/components/carousel/carousel.test.ts

@@ -12,6 +12,8 @@ async function setup(page: Page, exampleName: string) {
   };
 }
 
+test.describe.configure({ mode: 'serial' });
+
 test.describe('Mouse Behavior', () => {
   test(`GIVEN a carousel
         WHEN clicking on the next button
@@ -978,34 +980,6 @@ test.describe('State', () => {
     // checking that the slide changed
     expect(d.getSlideAt(0)).not.toHaveAttribute('data-active');
   });
-
-  test(`GIVEN a carousel with direction column and max slide height declared
-        WHEN the swipe up or down
-        THEN the attribute should move to the right slide
-`, async ({ page }) => {
-    const { driver: d } = await setup(page, 'vertical-direction');
-    d;
-
-    const visibleSlide = d.getSlideAt(0);
-
-    const slideBox = await visibleSlide.boundingBox();
-
-    if (slideBox) {
-      const startX = slideBox.x + slideBox.width / 2;
-      const startY = slideBox.y + slideBox.height / 2;
-
-      // swipe up from the middle of the visible slide
-      await page.mouse.move(startX, startY);
-      await page.mouse.down();
-      await page.mouse.move(startX, -startY, { steps: 10 });
-
-      // finish the swiping and move the mouse back
-      await page.mouse.up();
-      await page.mouse.move(startX, startY, { steps: 10 });
-    }
-    // checking that the slide changed
-    expect(d.getSlideAt(0)).not.toHaveAttribute('data-active');
-  });
 });
 
 test.describe('Stepper', () => {

packages/kit-headless/src/components/carousel/scroller.tsx

@@ -7,6 +7,7 @@ import {
   useOnWindow,
   Slot,
   useSignal,
+  sync$,
 } from '@builder.io/qwik';
 import { carouselContextId } from './context';
 import { useStyles$ } from '@builder.io/qwik';
@@ -234,18 +235,51 @@ export const CarouselScroller = component$((props: PropsOf<'div'>) => {
     initialLoadSig.value = false;
   });
 
+  // This only works because we don't need to serialize refs or signals
+  let touchStartX = 0;
+  let touchStartY = 0;
+  let activeCarousel: HTMLElement | null = null;
+  let carouselOrientation: string | null = null;
+
+  const preventTouchStart = sync$((e: TouchEvent) => {
+    const touch = e.touches[0];
+    if (!touch) return;
+
+    const target = e.target as HTMLElement;
+    activeCarousel = target.closest('[data-qui-carousel-scroller]');
+    if (!activeCarousel) return;
+
+    carouselOrientation = activeCarousel.getAttribute('data-orientation');
+    touchStartX = touch.clientX;
+    touchStartY = touch.clientY;
+  });
+
+  const preventTouchMove = sync$((e: TouchEvent) => {
+    if (!activeCarousel || !carouselOrientation) return;
+
+    const touch = e.touches[0];
+    if (!touch) return;
+
+    const deltaX = Math.abs(touch.clientX - touchStartX);
+    const deltaY = Math.abs(touch.clientY - touchStartY);
+
+    if (carouselOrientation === 'horizontal' && deltaX > deltaY && deltaX > 5) {
+      e.preventDefault();
+    } else if (carouselOrientation === 'vertical' && deltaY > deltaX && deltaY > 5) {
+      e.preventDefault();
+    }
+  });
+
   return (
     <div
       data-qui-carousel-viewport
       onMouseDown$={[handleMouseDown, onMouseDown$]}
-      onTouchStart$={[handleTouchStart, onTouchStart$]}
-      onTouchMove$={[handleTouchMove, onTouchMove$]}
+      onTouchStart$={[preventTouchStart, handleTouchStart, onTouchStart$]}
+      onTouchMove$={[preventTouchMove, handleTouchMove, onTouchMove$]}
       onTouchEnd$={[handleDragSnap, onTouchEnd$]}
-      preventdefault:touchstart
-      preventdefault:touchmove
       onQVisible$={isNewPosOnLoadSig.value ? setInitialSlidePos : undefined}
       onWheel$={handleWheel}
-      preventdefault:wheel
+      preventdefault:wheel={context.isMouseWheelSig.value}
     >
       <div
         ref={context.scrollerRef}
@@ -254,6 +288,7 @@ export const CarouselScroller = component$((props: PropsOf<'div'>) => {
         data-align={context.alignSig.value}
         data-initial-touch={isTouchStartSig.value ? '' : undefined}
         data-initial={isNewPosOnLoadSig.value ? '' : undefined}
+        data-orientation={context.orientationSig.value}
         {...rest}
       >
         <Slot />

packages/kit-headless/src/components/carousel/slide.tsx

@@ -52,6 +52,7 @@ export const CarouselSlide = component$(({ _index, ...props }: CarouselSlideProp
         inert={!isVisibleSig.value}
         hidden={isInactiveSig.value}
         aria-roledescription="slide"
+        data-orientation={context.orientationSig.value}
         role={context.bulletRefsArray.value.length > 0 ? 'tabpanel' : undefined}
         data-qui-carousel-slide
         data-active={isVisibleSig.value ? '' : undefined}