diff --git a/src/web/overlay/OverlayWindow.vue b/src/web/overlay/OverlayWindow.vue
index 8632d574..abd3eaf8 100644
--- a/src/web/overlay/OverlayWindow.vue
+++ b/src/web/overlay/OverlayWindow.vue
@@ -4,8 +4,8 @@
     <div style="top: 0; left: 0; height: 100%; width: 100%; position: absolute;"
       :style="{ background: overlayBackground }"
       @click="handleBackgroundClick"></div>
-    <template v-for="widget of widgets">
-      <component :key="widget.wmId"
+    <template v-for="widget of widgets" :key="widget.wmId">
+      <component
         v-show="isVisible(widget.wmId)"
         :config="widget"
         :id="`widget-${widget.wmId}`"
diff --git a/src/web/overlay/Widget.vue b/src/web/overlay/Widget.vue
index 948e8805..1b22c652 100644
--- a/src/web/overlay/Widget.vue
+++ b/src/web/overlay/Widget.vue
@@ -28,19 +28,41 @@
         <div v-if="isHandleShown('cc')" :class="$style.mover" @mousedown="startMove('cc', $event)" style="left: calc(50%  - 0.5rem); top: calc(50%  - 0.5rem);"></div>
       </div>
     </div>
-    <div v-if="isMoving" :class="[$style.mover, $style.active]" :style="moverPosition" @mousedown="startMove(anchor.pos, $event)"></div>
+    <div v-if="isMoving" :class="[$style.mover, $style.active]" :style="moverPosition" @mousedown="startMove(config.anchor.pos, $event)"></div>
   </div>
 </template>
 
-<script>
-export default {
+<script lang="ts">
+import { defineComponent, PropType, computed, inject, ref } from 'vue'
+import { Widget, Anchor, WidgetManager } from './interfaces'
+
+function useRemovable (remove: () => void) {
+  const isRemoving = ref(false)
+  let tmid: ReturnType<typeof setTimeout> | null = null
+
+  function startRemoveTimer () {
+    isRemoving.value = true
+    tmid = setTimeout(remove, 1000)
+  }
+  function cancelRemoveTimer () {
+    isRemoving.value = false
+    if (tmid !== null) {
+      clearTimeout(tmid)
+      tmid = null
+    }
+  }
+
+  return { startRemoveTimer, cancelRemoveTimer, isRemoving }
+}
+
+export default defineComponent({
   props: {
     config: {
-      type: Object,
+      type: Object as PropType<Widget & { anchor: Anchor }>,
       required: true
     },
     moveHandles: {
-      type: [String, Array],
+      type: [String, Array] as PropType<string | string[]>,
       default: undefined
     },
     readonly: {
@@ -56,148 +78,150 @@ export default {
       default: true
     }
   },
-  inject: ['wm'],
-  data () {
-    return {
-      isEditing: false,
-      isMoving: false,
-      isRemoving: false
-    }
-  },
-  computed: {
-    anchor () {
-      return this.config.anchor
-    },
-    moverPosition () {
+  setup (props) {
+    const wm = inject<WidgetManager>('wm')!
+
+    const moverPosition = computed(() => {
+      const { anchor, wmZorder } = props.config
       return {
-        'top': `max(0%, min(calc(${this.anchor.y}% - (1rem/2)), calc(100% - 1rem)))`,
-        'left': `max(0%, min(calc(${this.anchor.x}% - (1rem/2)), calc(100% - 1rem)))`,
-        'z-index': this.config.wmZorder
+        'top': `max(0%, min(calc(${anchor.y}% - (1rem/2)), calc(100% - 1rem)))`,
+        'left': `max(0%, min(calc(${anchor.x}% - (1rem/2)), calc(100% - 1rem)))`,
+        'z-index': wmZorder
       }
-    },
-    widgetPosition () {
-      let translate
+    })
+
+    const widgetPosition = computed(() => {
+      const { anchor, wmZorder } = props.config
 
       // <top, center, bottom><left, center, right>
-      if (this.anchor.pos === 'tl') {
+      let translate
+      if (anchor.pos === 'tl') {
         translate = undefined
-      } else if (this.anchor.pos === 'tc') {
+      } else if (anchor.pos === 'tc') {
         translate = 'translate(-50%, 0%)'
-      } else if (this.anchor.pos === 'tr') {
+      } else if (anchor.pos === 'tr') {
         translate = 'translate(-100%, 0%)'
-      } else if (this.anchor.pos === 'cr') {
+      } else if (anchor.pos === 'cr') {
         translate = 'translate(-100%, -50%)'
-      } else if (this.anchor.pos === 'br') {
+      } else if (anchor.pos === 'br') {
         translate = 'translate(-100%, -100%)'
-      } else if (this.anchor.pos === 'bc') {
+      } else if (anchor.pos === 'bc') {
         translate = 'translate(-50%, -100%)'
-      } else if (this.anchor.pos === 'bl') {
+      } else if (anchor.pos === 'bl') {
         translate = 'translate(0%, -100%)'
-      } else if (this.anchor.pos === 'cl') {
+      } else if (anchor.pos === 'cl') {
         translate = 'translate(0%, -50%)'
-      } else if (this.anchor.pos === 'cc') {
+      } else if (anchor.pos === 'cc') {
         translate = 'translate(-50%, -50%)'
       }
 
       return {
-        'top': `${this.anchor.y}%`,
-        'left': `${this.anchor.x}%`,
+        'top': `${anchor.y}%`,
+        'left': `${anchor.x}%`,
         'transform': translate,
-        'z-index': this.config.wmZorder
+        'z-index': wmZorder
       }
-    },
-    actionsPosition () {
-      if (this.anchor.x <= 50 && this.anchor.y <= 50) {
+    })
+
+    const actionsPosition = computed(() => {
+      const { anchor } = props.config
+
+      if (anchor.x <= 50 && anchor.y <= 50) {
         return {
           top: '0',
           left: '100%'
         }
       }
-      if (this.anchor.x >= 50 && this.anchor.y <= 50) {
+      if (anchor.x >= 50 && anchor.y <= 50) {
         return {
           top: '0',
           right: '100%'
         }
       }
-      if (this.anchor.x >= 50 && this.anchor.y >= 50) {
+      if (anchor.x >= 50 && anchor.y >= 50) {
         return {
           bottom: '0',
           right: '100%'
         }
       }
-      if (this.anchor.x <= 50 && this.anchor.y >= 50) {
+      if (anchor.x <= 50 && anchor.y >= 50) {
         return {
           bottom: '0',
           left: '100%'
         }
       }
-      return null
-    },
-    shownHandles () {
-      if (!this.moveHandles) {
+    })
+
+    const shownHandles = computed(() => {
+      if (!props.moveHandles) {
         return ['tl', 'tc', 'tr', 'cr', 'br', 'bc', 'bl', 'cl', 'cc']
       }
-      if (this.moveHandles === 'center') {
+      if (props.moveHandles === 'center') {
         return ['cc']
       }
-      if (this.moveHandles === 'corners') {
+      if (props.moveHandles === 'corners') {
         return ['tl', 'tr', 'br', 'bl']
       }
-      if (this.moveHandles === 'top-bottom') {
+      if (props.moveHandles === 'top-bottom') {
         return ['tl', 'tc', 'tr', 'br', 'bc', 'bl']
       }
       return []
-    }
-  },
-  methods: {
-    startMove (pos, e) {
-      this.anchor.pos = pos
-      this.updatePosition(e)
-      document.addEventListener('mousemove', this.updatePosition)
-      document.addEventListener('mouseup', this.endMove)
-    },
-    endMove () {
-      document.removeEventListener('mousemove', this.updatePosition)
-      document.removeEventListener('mouseup', this.endMove)
-    },
-    updatePosition (e) {
-      this.anchor.x = Math.min(Math.max(e.clientX / window.innerWidth, 0), 1) * 100
-      this.anchor.y = Math.min(Math.max(e.clientY / window.innerHeight, 0), 1) * 100
-    },
-    isHandleShown (pos) {
-      return this.anchor.pos !== pos &&
-        this.shownHandles.includes(pos)
-    },
-    toggleEdit () {
-      this.isEditing = !this.isEditing
-      this.isMoving = false
-    },
-    toggleMove () {
-      this.isMoving = !this.isMoving
-      this.isEditing = false
-    },
-    hide () {
-      this.wm.hide(this.config.wmId)
-    },
-    remove () {
-      this.wm.remove(this.config.wmId)
-    },
-    startRemoveTimer () {
-      this.isRemoving = true
-      this.removeTimeout = setTimeout(this.remove, 1000)
-    },
-    cancelRemoveTimer () {
-      this.isRemoving = false
-      clearTimeout(this.removeTimeout)
-      this.removeTimeout = undefined
-    },
-    handleMouseDown () {
-      if (this.config.wmId != null) {
-        this.wm.bringToTop(this.config.wmId)
+    })
+
+    function startMove (pos: string, e: MouseEvent) {
+      props.config.anchor.pos = pos
+      updatePosition(e)
+      document.addEventListener('mousemove', updatePosition)
+      document.addEventListener('mouseup', endMove)
+
+      function endMove () {
+        document.removeEventListener('mousemove', updatePosition)
+        document.removeEventListener('mouseup', endMove)
       }
     }
+
+    function updatePosition (e: MouseEvent) {
+      props.config.anchor.x = Math.min(Math.max(e.clientX / window.innerWidth, 0), 1) * 100
+      props.config.anchor.y = Math.min(Math.max(e.clientY / window.innerHeight, 0), 1) * 100
+    }
+
+    const isEditing = ref(false)
+    const isMoving = ref(false)
+
+    return {
+      moverPosition,
+      widgetPosition,
+      actionsPosition,
+      handleMouseDown () {
+        // @TODO: why null check?
+        if (props.config.wmId != null) {
+          wm.bringToTop(props.config.wmId)
+        }
+      },
+      startMove,
+      isMoving,
+      isEditing,
+      isHandleShown (pos: string) {
+        return props.config.anchor.pos !== pos &&
+          shownHandles.value.includes(pos)
+      },
+      hide () {
+        wm.hide(props.config.wmId)
+      },
+      toggleEdit () {
+        isEditing.value = !isEditing.value
+        isMoving.value = false
+      },
+      toggleMove () {
+        isMoving.value = !isMoving.value
+        isEditing.value = false
+      },
+      ...useRemovable(() => {
+        wm.remove(props.config.wmId)
+      })
+    }
   }
-}
+})
 </script>
 
 <style lang="postcss" module>
diff --git a/src/web/overlay/WidgetMenu.vue b/src/web/overlay/WidgetMenu.vue
index ccd6889a..17f43199 100644
--- a/src/web/overlay/WidgetMenu.vue
+++ b/src/web/overlay/WidgetMenu.vue
@@ -2,17 +2,17 @@
   <widget :config="config" :hideable="false" :removable="false" move-handles="corners" v-slot="{ isEditing }">
     <div class="widget-default-style">
       <div class="py-1 pr-1 flex items-center text-base">
-        <template v-for="widget in widgets">
-          <button :key="widget.wmId" @click="toggle(widget)"
+        <template v-for="widget in widgets" :key="widget.wmId">
+          <button @click="toggle(widget)"
             :class="widget.wmWants === 'show' ? 'border-gray-500' : 'border-gray-900'"
             class="bg-gray-800 rounded text-gray-100 ml-1 p-2 leading-none whitespace-no-wrap border">{{ widget.wmTitle || `#${widget.wmId}` }}</button>
         </template>
-        <ui-popper :delayOnMouseOut="150">
-          <template slot="reference">
+        <ui-popover>
+          <template #target>
             <button class="rounded text-gray-600 ml-1 px-2 py-1 leading-none"><i class="fas fa-ellipsis-h"></i></button>
           </template>
-          <div class="popper">
-            <div class="flex flex-col justify-center text-base text-left">
+          <template #content>
+            <div class="flex flex-col justify-center text-base">
               <!-- <button class="text-left hover:bg-gray-400 rounded px-1 whitespace-no-wrap">Chromatic calculator</button> -->
               <!-- <button class="text-left hover:bg-gray-400 rounded px-1 whitespace-no-wrap">Screen saver</button> -->
               <!-- add widget -->
@@ -22,8 +22,8 @@
               <button class="text-left hover:bg-gray-400 rounded px-1 whitespace-no-wrap" @click="createOfType('image-strip')">{{ $t('Image strip') }}</button>
               <!-- <button class="text-left hover:bg-gray-400 rounded px-1 whitespace-no-wrap" @click="createOfType('TODO')">Image</button> -->
             </div>
-          </div>
-        </ui-popper>
+          </template>
+        </ui-popover>
       </div>
       <div v-if="isEditing" class="text-gray-100 px-2 pb-1 whitespace-no-wrap">
         <ui-toggle v-model="config.alwaysShow">{{ $t('Show button for active widgets') }}</ui-toggle>
@@ -32,39 +32,44 @@
   </widget>
 </template>
 
-<script>
-import Widget from './Widget'
+<script lang="ts">
+import { defineComponent, PropType, computed, inject, ref } from 'vue'
+import { Widget as IWidget, WidgetManager, WidgetMenu } from './interfaces'
+import Widget from './Widget.vue'
 
-export default {
+export default defineComponent({
   components: { Widget },
   props: {
     config: {
-      type: Object,
+      type: Object as PropType<WidgetMenu>,
       required: true
     }
   },
-  inject: ['wm'],
-  computed: {
-    widgets () {
-      return this.wm.widgets.filter(widget =>
+  setup (props) {
+    const wm = inject<WidgetManager>('wm')!
+
+    const widgets = computed(() => {
+      return wm.widgets.filter(widget =>
         !widget.wmFlags.includes('skip-menu') &&
-        (this.config.alwaysShow || (widget.wmWants === 'hide'))
+        (props.config.alwaysShow || (widget.wmWants === 'hide'))
       )
-    }
-  },
-  methods: {
-    createOfType (type) {
-      this.wm.create(type)
-    },
-    toggle (widget) {
-      if (widget.wmWants === 'hide') {
-        this.wm.show(widget.wmId)
-      } else {
-        this.wm.hide(widget.wmId)
+    })
+
+    return {
+      widgets,
+      createOfType (type: string) {
+        wm.create(type)
+      },
+      toggle (widget: IWidget) {
+        if (widget.wmWants === 'hide') {
+          wm.show(widget.wmId)
+        } else {
+          wm.hide(widget.wmId)
+        }
       }
     }
   }
-}
+})
 </script>
 
 <style lang="postcss" module>
diff --git a/src/web/overlay/interfaces.ts b/src/web/overlay/interfaces.ts
new file mode 100644
index 00000000..ad433ed5
--- /dev/null
+++ b/src/web/overlay/interfaces.ts
@@ -0,0 +1,39 @@
+export interface Widget {
+  wmId: number
+  wmType: string
+  wmTitle: string
+  wmWants: 'show' | 'hide'
+  wmZorder: number | 'exclusive' | null
+  wmFlags: Array<WellKnownFlag | string>
+  // ---------------
+  [key: string]: unknown
+}
+
+export type WellKnownFlag =
+  'uninitialized' |
+  'skip-menu' |
+  'has-browser' |
+  'invisible-on-blur' |
+  'hide-on-blur' |
+  'hide-on-blur(close)' |
+  'hide-on-focus'
+
+export interface Anchor {
+  pos: string
+  x: number
+  y: number
+}
+
+export interface WidgetManager {
+  widgets: Widget[]
+  show (wmId: number): void
+  hide (wmId: number): void
+  remove (wmId: number): void
+  bringToTop (wmId: number): void
+  create (wmType: string): void 
+}
+
+export interface WidgetMenu extends Widget {
+  anchor: Anchor
+  alwaysShow: boolean
+}
diff --git a/src/web/ui/FullscreenImage.vue b/src/web/ui/FullscreenImage.vue
index 59f640c5..c1084426 100644
--- a/src/web/ui/FullscreenImage.vue
+++ b/src/web/ui/FullscreenImage.vue
@@ -3,19 +3,18 @@
     @mouseenter="isHovered = true"
     @mouseleave="isHovered = false">
     <img :class="$style.img" :src="isBundled ? require(`@/assets/images/${src}`) : src">
-    <portal v-if="isHovered && !disabled" mount-to="body" append>
+    <teleport v-if="isHovered && !disabled" to="body">
       <div :class="$style.imgFullscreenWrapper">
         <img :class="$style.imgFullscreen" :src="isBundled ? require(`@/assets/images/${src}`) : src">
       </div>
-    </portal>
+    </teleport>
   </div>
 </template>
 
-<script>
-import { MountingPortal as Portal } from 'portal-vue'
+<script lang="ts">
+import { defineComponent, ref, computed } from 'vue'
 
-export default {
-  components: { Portal },
+export default defineComponent({
   name: 'FullscreenImage',
   props: {
     src: {
@@ -27,17 +26,15 @@ export default {
       default: false
     }
   },
-  data () {
+  setup (props) {
+    const isHovered = ref(false)
+    const isBundled = computed(() => !props.src.includes('://'))
     return {
-      isHovered: false
-    }
-  },
-  computed: {
-    isBundled () {
-      return !this.src.includes('://')
+      isHovered,
+      isBundled
     }
   }
-}
+})
 </script>
 
 <style lang="postcss" module>
diff --git a/src/web/ui/InputDebounced.vue b/src/web/ui/InputDebounced.vue
index 682589af..5a1480e2 100644
--- a/src/web/ui/InputDebounced.vue
+++ b/src/web/ui/InputDebounced.vue
@@ -1,31 +1,33 @@
 <template>
   <input
-    :value="value"
+    :value="modelValue"
     @input="update"
     @mousewheel="noop">
 </template>
 
-<script>
+<script lang="ts">
+import { defineComponent } from 'vue'
 import { debounce } from 'throttle-debounce'
 
-export default {
+export default defineComponent({
   name: 'UiInputDebounced',
+  emits: ['update:modelValue'],
   props: {
-    value: {},
+    modelValue: {},
     delay: {
       type: Number,
       default: 350
     }
   },
-  created () {
-    this.update = debounce(this.delay, (e) => {
-      this.$emit('input', e.target.value)
-    })
-  },
-  methods: {
-    noop () {
-      // fix not working mouseScroll
+  setup (props, ctx) {
+    return {
+      update: debounce(props.delay, (e: InputEvent) => {
+        ctx.emit('update:modelValue', (e.target as HTMLInputElement).value)
+      }),
+      noop () {
+        // fix not working mouseScroll
+      }
     }
   }
-}
+})
 </script>
diff --git a/src/web/ui/UiToggle.vue b/src/web/ui/UiToggle.vue
index 1b8e7f10..7e88e4b4 100644
--- a/src/web/ui/UiToggle.vue
+++ b/src/web/ui/UiToggle.vue
@@ -1,25 +1,30 @@
 <template>
   <button
     @click="updateInput" class="flex items-center" style="height: 1.375rem;">
-    <i v-if="value" class="fas fa-toggle-on pr-1 text-gray-300"></i>
+    <i v-if="modelValue" class="fas fa-toggle-on pr-1 text-gray-300"></i>
     <i v-else class="fas fa-toggle-off pr-1 text-gray-600"></i>
     <slot />
   </button>
 </template>
 
-<script>
-export default {
+<script lang="ts">
+import { defineComponent } from 'vue'
+
+export default defineComponent({
   name: 'UiToggle',
+  emits: ['update:modelValue'],
   props: {
-    value: {
+    modelValue: {
       type: Boolean,
       required: true
     }
   },
-  methods: {
-    updateInput () {
-      this.$emit('input', !this.value)
+  setup (props, ctx) {
+    return {
+      updateInput () {
+        ctx.emit('update:modelValue', !props.modelValue)
+      }
     }
   }
-}
+})
 </script>