From 32501bc93b002951a2e7ab0048f64ceaa8424814 Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Mon, 22 Sep 2025 14:03:13 +0200
Subject: [PATCH] fix(menu): make sure dropdown menu changes direction when
 screen is too small

Resolves https://github.com/go-vikunja/vikunja/issues/1523
---
 .../home/ProjectsNavigationItem.vue           |  1 +
 frontend/src/components/misc/Dropdown.vue     | 49 ++++++++++++++++---
 .../project/ProjectSettingsDropdown.vue       | 11 +++--
 3 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/frontend/src/components/home/ProjectsNavigationItem.vue b/frontend/src/components/home/ProjectsNavigationItem.vue
index 7f2cb3f07..44373d52e 100644
--- a/frontend/src/components/home/ProjectsNavigationItem.vue
+++ b/frontend/src/components/home/ProjectsNavigationItem.vue
@@ -60,6 +60,7 @@
 				v-if="project.maxPermission > PERMISSIONS.READ"
 				class="menu-list-dropdown"
 				:project="project"
+				:simple="true"
 			>
 				<template #trigger="{toggleOpen}">
 					<BaseButton
diff --git a/frontend/src/components/misc/Dropdown.vue b/frontend/src/components/misc/Dropdown.vue
index 36871bb89..03d22894b 100644
--- a/frontend/src/components/misc/Dropdown.vue
+++ b/frontend/src/components/misc/Dropdown.vue
@@ -26,7 +26,9 @@
 			<div
 				v-if="initialMount || open"
 				v-show="open"
+				ref="dropdownMenu"
 				class="dropdown-menu"
+				:style="dropdownMenuStyle"
 			>
 				<div class="dropdown-content">
 					<slot :close="close" />
@@ -37,8 +39,9 @@
 </template>
 
 <script setup lang="ts">
-import {ref} from 'vue'
+import {ref, nextTick, watch, computed} from 'vue'
 import {onClickOutside} from '@vueuse/core'
+import {computePosition, autoPlacement, offset, shift} from '@floating-ui/dom'
 import type {IconProp} from '@fortawesome/fontawesome-svg-core'
 
 import CustomTransition from '@/components/misc/CustomTransition.vue'
@@ -63,19 +66,53 @@ defineSlots<{
 	'default': () => void
 }>()
 
-
 const initialMount = ref(false)
 const open = ref(false)
+const dropdown = ref<HTMLElement>()
+const dropdownMenu = ref<HTMLElement>()
+const dropdownPosition = ref({x: 0, y: 0})
 
 function close() {
 	open.value = false
 }
 
+async function updatePosition() {
+	if (!dropdown.value || !dropdownMenu.value) {
+		return
+	}
+
+	await nextTick()
+
+	const {x, y} = await computePosition(dropdown.value, dropdownMenu.value, {
+		placement: 'bottom-end',
+		middleware: [
+			offset(4),
+			autoPlacement({
+				allowedPlacements: ['bottom-end', 'top-end', 'bottom-start', 'top-start'],
+				padding: 8,
+			}),
+			shift({padding: 8}),
+		],
+	})
+
+	dropdownPosition.value = {x, y}
+}
+
+const dropdownMenuStyle = computed(() => ({
+	left: `${dropdownPosition.value.x}px`,
+	top: `${dropdownPosition.value.y}px`,
+}))
+
 function toggleOpen() {
 	open.value = !open.value
 }
 
-const dropdown = ref()
+watch(open, (isOpen) => {
+	if (isOpen) {
+		updatePosition()
+	}
+})
+
 onClickOutside(dropdown, (e) => {
 	if (!open.value) {
 		return
@@ -93,13 +130,9 @@ onClickOutside(dropdown, (e) => {
 
 .dropdown-menu {
 	min-inline-size: 12rem;
-	padding-block-start: 4px;
-	position: absolute;
-	inset-block-start: 100%;
+	position: fixed;
 	z-index: 20;
 	display: block;
-	inset-inline-start: auto;
-	inset-inline-end: 0;
 }
 
 .dropdown-content {
diff --git a/frontend/src/components/project/ProjectSettingsDropdown.vue b/frontend/src/components/project/ProjectSettingsDropdown.vue
index fbb4035b3..e9ddb9fa9 100644
--- a/frontend/src/components/project/ProjectSettingsDropdown.vue
+++ b/frontend/src/components/project/ProjectSettingsDropdown.vue
@@ -56,13 +56,14 @@
 				{{ $t('menu.edit') }}
 			</DropdownItem>
 			<DropdownItem
+				v-if="!simple"
 				:to="{ name: 'project.settings.views', params: { projectId: project.id } }"
 				icon="eye"
 			>
 				{{ $t('menu.views') }}
 			</DropdownItem>
 			<DropdownItem
-				v-if="backgroundsEnabled"
+				v-if="backgroundsEnabled && !simple"
 				:to="{ name: 'project.settings.background', params: { projectId: project.id } }"
 				icon="image"
 			>
@@ -81,6 +82,7 @@
 				{{ $t('menu.duplicate') }}
 			</DropdownItem>
 			<DropdownItem
+				v-if="!simple"
 				v-tooltip="isDefaultProject ? $t('menu.cantArchiveIsDefault') : ''"
 				:to="{ name: 'project.settings.archive', params: { projectId: project.id } }"
 				icon="archive"
@@ -139,9 +141,12 @@ import {useProjectStore} from '@/stores/projects'
 import {useAuthStore} from '@/stores/auth'
 import {PERMISSIONS} from '@/constants/permissions'
 
-const props = defineProps<{
+const props = withDefaults(defineProps<{
 	project: IProject
-}>()
+	simple?: boolean
+}>(), {
+	simple: false
+})
 
 const projectStore = useProjectStore()
 const subscription = ref<ISubscription | null>(null)