fix: close message generation popover when its trigger scrolls away (#15114)

app/javascript/dashboard/components-next/NewConversation/ComposeConversation.vue

@@ -234,6 +234,7 @@ onMounted(() => resetContacts());
     ref="popoverRef"
     :align="align"
     :show-content-border="false"
+    :close-on-scroll="false"
     @show="onPopoverShow"
     @hide="onPopoverHide"
   >

app/javascript/dashboard/components-next/popover/Popover.vue

@@ -1,7 +1,11 @@
 <script setup>
 import { ref, computed, watch, nextTick } from 'vue';
 import { vOnClickOutside } from '@vueuse/components';
-import { useBreakpoints, breakpointsTailwind } from '@vueuse/core';
+import {
+  useBreakpoints,
+  breakpointsTailwind,
+  useEventListener,
+} from '@vueuse/core';
 import { useDropdownPosition } from 'dashboard/composables/useDropdownPosition';
 import { useKeyboardEvents } from 'dashboard/composables/useKeyboardEvents';
 import TeleportWithDirection from 'dashboard/components-next/TeleportWithDirection.vue';
@@ -16,6 +20,10 @@ const props = defineProps({
     type: Boolean,
     default: false,
   },
+  closeOnScroll: {
+    type: Boolean,
+    default: true,
+  },
   showContentBorder: {
     type: Boolean,
     default: true,
@@ -41,8 +49,12 @@ const { fixedPosition, updatePosition } = useDropdownPosition(
   { align: props.align }
 );
 
+const SCROLL_CLOSE_THRESHOLD = 24;
+const triggerTopAtOpen = ref(0);
+
 const show = async () => {
   isActive.value = true;
+  triggerTopAtOpen.value = triggerRef.value?.getBoundingClientRect().top ?? 0;
   if (!isMobile.value) {
     await nextTick();
     updatePosition();
@@ -56,6 +68,22 @@ const hide = () => {
   emit('hide');
 };
 
+// The teleported popover tracks its trigger while ancestors scroll; allow
+// small drift (trackpad inertia), but close once the trigger moves further.
+useEventListener(
+  window,
+  'scroll',
+  event => {
+    if (!props.closeOnScroll || !showPopover.value) return;
+    if (popoverRef.value?.contains(event.target)) return;
+    const top = triggerRef.value?.getBoundingClientRect().top ?? 0;
+    if (Math.abs(top - triggerTopAtOpen.value) > SCROLL_CLOSE_THRESHOLD) {
+      hide();
+    }
+  },
+  { capture: true, passive: true }
+);
+
 const toggle = async () => {
   if (isActive.value) hide();
   else await show();