initial Appearance Tab implementation, added text size/UI scale option

src/components/settings_modal/tabs/appearance_tab.js

@@ -0,0 +1,39 @@
+import BooleanSetting from '../helpers/boolean_setting.vue'
+import ChoiceSetting from '../helpers/choice_setting.vue'
+import IntegerSetting from '../helpers/integer_setting.vue'
+import FloatSetting from '../helpers/float_setting.vue'
+import UnitSetting from '../helpers/unit_setting.vue'
+
+import SharedComputedObject from '../helpers/shared_computed_object.js'
+import ProfileSettingIndicator from '../helpers/profile_setting_indicator.vue'
+import { library } from '@fortawesome/fontawesome-svg-core'
+import {
+  faGlobe
+} from '@fortawesome/free-solid-svg-icons'
+
+library.add(
+  faGlobe
+)
+
+const AppearanceTab = {
+  data () {
+    return {}
+  },
+  components: {
+    BooleanSetting,
+    ChoiceSetting,
+    IntegerSetting,
+    FloatSetting,
+    UnitSetting,
+    ProfileSettingIndicator
+  },
+  computed: {
+    instanceWallpaperUsed () {
+      return this.$store.state.instance.background &&
+        !this.$store.state.users.currentUser.background_image
+    },
+    ...SharedComputedObject()
+  }
+}
+
+export default AppearanceTab

src/components/settings_modal/tabs/appearance_tab.vue

@@ -0,0 +1,71 @@
+<template>
+  <div :label="$t('settings.general')">
+    <div class="setting-item">
+      <h2>{{ $t('settings.interface') }}</h2>
+      <ul class="setting-list">
+        <li v-if="instanceWallpaperUsed">
+          <BooleanSetting path="hideInstanceWallpaper">
+            {{ $t('settings.hide_wallpaper') }}
+          </BooleanSetting>
+        </li>
+        <li>
+          <BooleanSetting path="disableStickyHeaders">
+            {{ $t('settings.disable_sticky_headers') }}
+          </BooleanSetting>
+        </li>
+        <li>
+          <BooleanSetting path="showScrollbars">
+            {{ $t('settings.show_scrollbars') }}
+          </BooleanSetting>
+        </li>
+        <li>
+          <UnitSetting
+            path="textSize"
+            step="0.1"
+            :units="['px', 'rem']"
+            :reset-default="{ 'px': 14, 'rem': 1 }"
+            timed-apply-mode
+          >
+            {{ $t('settings.text_size') }}
+          </UnitSetting>
+          <div>
+            <small>
+              <i18n-t
+                scope="global"
+                keypath="settings.text_size_tip"
+                tag="span"
+              >
+                <code>px</code>
+                <code>rem</code>
+              </i18n-t>
+              <br/>
+              <i18n-t
+                scope="global"
+                keypath="settings.text_size_tip2"
+                tag="span"
+              >
+                <code>14px</code>
+              </i18n-t>
+            </small>
+          </div>
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<script src="./appearance_tab.js"></script>
+
+<style lang="scss">
+.column-settings {
+  display: flex;
+  justify-content: space-evenly;
+  flex-wrap: wrap;
+}
+
+.column-settings .size-label {
+  display: block;
+  margin-bottom: 0.5em;
+  margin-top: 0.5em;
+}
+</style>

src/components/settings_modal/tabs/general_tab.vue

@@ -15,11 +15,6 @@
             {{ $t('settings.hide_isp') }}
           </BooleanSetting>
         </li>
-        <li v-if="instanceWallpaperUsed">
-          <BooleanSetting path="hideInstanceWallpaper">
-            {{ $t('settings.hide_wallpaper') }}
-          </BooleanSetting>
-        </li>
         <li>
           <BooleanSetting path="stopGifs">
             {{ $t('settings.stop_gifs') }}
@@ -101,16 +96,6 @@
         <li>
           <h3>{{ $t('settings.columns') }}</h3>
         </li>
-        <li>
-          <BooleanSetting path="disableStickyHeaders">
-            {{ $t('settings.disable_sticky_headers') }}
-          </BooleanSetting>
-        </li>
-        <li>
-          <BooleanSetting path="showScrollbars">
-            {{ $t('settings.show_scrollbars') }}
-          </BooleanSetting>
-        </li>
         <li>
           <BooleanSetting path="sidebarRight">
             {{ $t('settings.right_sidebar') }}