Implement dynamic scroll-based underlining of active section

src/renderer/components/ft-settings-menu/ft-settings-menu.css

@@ -2,11 +2,10 @@
   position: fixed;
   display: flex;
   flex-direction: column;
-  padding: 0;
-  gap: 5px;
+  gap: 2px;
   font-size: 22px;
-  inline-size: fit-content;
-  max-inline-size: 250px;
+  inline-size: 250px;
+  padding-inline-start: 10px;
 }
 
 .header {
@@ -26,9 +25,29 @@
   color: var(--primary-text-color);
 }
 
+.settingsMenuTitleContent {
+  inline-size: fit-content;
+}
+
+.settingsMenuTitleAndIcon {
+  /* needed to have underline poke out */
+  margin-inline-start: 3px;
+}
+
+.settingsMenuTitleUnderline {
+  /* have underline poke out */
+  inline-size: calc(100% + 3px);
+
+  /* prevent "active" border from visibly pushing the content up */
+  border-block-end: 3px solid transparent;
+}
+
 .settingsMenuTitle.active {
   color: var(--primary-text-color);
-  border-block-end: 3px solid var(--primary-text-color);
+}
+
+.settingsMenuTitle.active .settingsMenuTitleUnderline {
+  border-block-end: 3px solid var(--primary-color);
 }
 
 .settingsMenuTitleIcon {

src/renderer/components/ft-settings-menu/ft-settings-menu.vue

@@ -7,15 +7,21 @@
     </h2>
     <a
       v-for="(settingsSection) in settingsSections"
-      :key="settingsSection.type + 'link'"
+      :id="settingsSection.type + '-link'"
+      :key="settingsSection.type + '-link'"
       :href="'#' + settingsSection.type"
       class="settingsMenuTitle"
     >
-      <font-awesome-icon
-        :icon="['fas', settingsSection.icon]"
-        class="settingsMenuTitleIcon"
-      />
-      {{ getTitleForSection(settingsSection) }}
+      <div class="settingsMenuTitleContent">
+        <div class="settingsMenuTitleAndIcon">
+          <font-awesome-icon
+            :icon="['fas', settingsSection.icon]"
+            class="settingsMenuTitleIcon"
+          />
+          {{ getTitleForSection(settingsSection) }}
+        </div>
+        <div class="settingsMenuTitleUnderline" />
+      </div>
     </a>
   </menu>
 </template>

src/renderer/views/Settings/Settings.css

@@ -7,25 +7,42 @@
   display: flex;
   flex-direction: column;
   align-items: center;
+  max-inline-size: 80%;
 }
 
 .settingsSections {
   margin-inline: auto;
 }
 
-.switchRow {
-  display: flex;
+.settingsSections:last-child {
+  margin-block-end: calc(76vh - 150px)
 }
 
-/* .settingsSections {
-
-} */
+.switchRow {
+  display: flex;
+  margin-inline-end: auto;
+}
 
 .settingsToggle {
   padding-block: 0;
-  margin-block: 10px 5px;
+  margin-block: 0;
+}
+
+.section {
+  /* enables anchor link clicks to land right at the section headings */
+  scroll-margin-top: 24vh;
 }
 
 .section + .section {
   padding-block-start: 20px;
 }
+
+@media only screen and (width <= 950px) {
+  ft-settings-menu {
+    display: none;
+  }
+
+  .settingsContent {
+    margin-inline: auto;
+  }
+}

src/renderer/views/Settings/Settings.js

@@ -45,10 +45,6 @@ export default defineComponent({
     }
   },
   computed: {
-    locale: function() {
-      return this.$i18n.locale.replace('_', '-')
-    },
-
     settingsPassword: function () {
       return this.$store.getters.getSettingsPassword
     },
@@ -170,15 +166,39 @@ export default defineComponent({
       return settingsSections
     },
   },
+  watch: {
+    locale: 'scrollToGeneralSettings'
+  },
   created: function () {
     if (this.settingsPassword === '') {
       this.unlocked = true
     }
   },
+  mounted: function () {
+    document.addEventListener('scroll', this.scrollCurrentSection)
+  },
+  beforeDestroy: function () {
+    document.removeEventListener('scroll', this.scrollCurrentSection)
+  },
   methods: {
-    scrollToSection(section) {
-      const sectionElement = this.$refs[section]
-      sectionElement?.scrollIntoView()
+    scrollToGeneralSettings() {
+      document.getElementById('general-settings')?.scrollIntoView()
+    },
+
+    scrollCurrentSection: function() {
+      const scrollY = window.scrollY + innerHeight / 4
+      this.settingsSectionComponents.forEach((section) => {
+        const sectionElement = document.getElementById(section.type)
+        const sectionHeight = sectionElement.offsetHeight
+        const sectionTop = sectionElement.offsetTop
+
+        const menuElement = document.getElementById(`${section.type}-link`)
+        if (scrollY > sectionTop && scrollY <= sectionTop + sectionHeight) {
+          menuElement.classList.add('active')
+        } else {
+          menuElement.classList.remove('active')
+        }
+      })
     },
 
     ...mapActions([

src/renderer/views/Settings/Settings.vue

@@ -5,29 +5,29 @@
         :settings-sections="settingsSectionComponents"
       />
       <div class="settingsContent">
-      <div class="switchRow">
-        <ft-toggle-switch
-          class="settingsToggle"
-          :label="$t('Settings.Sort Settings Sections (A-Z)')"
-          :default-value="settingsSectionSortEnabled"
-          :compact="false"
-          @change="updateSettingsSectionSortEnabled"
-        />
-      </div>
-      <div class="settingsSections">
-        <template
-          v-for="(settingsComponent) in settingsSectionComponents"
-        >
-          <component
-            :is="settingsComponent.type"
-            :id="settingsComponent.type"
-            :ref="settingsComponent.type"
-            :key="settingsComponent.type + 'component'"
-            class="section"
+        <div class="switchRow">
+          <ft-toggle-switch
+            class="settingsToggle"
+            :label="$t('Settings.Sort Settings Sections (A-Z)')"
+            :default-value="settingsSectionSortEnabled"
+            :compact="false"
+            @change="updateSettingsSectionSortEnabled"
           />
-        </template>
+        </div>
+        <div class="settingsSections">
+          <template
+            v-for="(settingsComponent) in settingsSectionComponents"
+            ref=""
+          >
+            <component
+              :is="settingsComponent.type"
+              :id="settingsComponent.type"
+              :key="settingsComponent.type + '-component'"
+              class="section"
+            />
+          </template>
+        </div>
       </div>
-    </div>
     </template>
     <password-dialog
       v-else