diff --git a/irchad-web/src/components/InputBuffer.vue b/irchad-web/src/components/InputBuffer.vue
new file mode 100644
index 0000000..4b2edd8
--- /dev/null
+++ b/irchad-web/src/components/InputBuffer.vue
@@ -0,0 +1,97 @@
+<script setup>
+import { ref } from "vue";
+import { useIRCStore } from "@/stores/irc";
+const emit = defineEmits(["send"]);
+const store = useIRCStore();
+const text = ref();
+const menu = ref({
+  open: false,
+  activator: null,
+});
+
+const menuList = ref({
+  density: "compact",
+  slim: true,
+  items: [],
+  itemTitle: "title",
+  itemValue: "value",
+  selected: [],
+  selectable: true,
+  mandatory: true,
+  returnObject: true,
+});
+
+const cursorPos = ref(0);
+const completionPos = ref(0);
+
+function clickItem() {}
+function send() {
+  emit("send", text.value);
+  menu.value.open = false;
+  text.value = "";
+}
+
+function filterUsers(s) {
+  if (store.activeBuffer) {
+    return store.activeBuffer.users.filter((u) => u.nick.startsWith(s));
+  }
+}
+
+function trigger(ev) {
+  const input = ev.target;
+  const cursor = input.selectionStart;
+  cursorPos.value = cursor;
+  const text = input.value;
+
+  const textBefore = text.slice(0, cursor);
+  const mentionMatch = textBefore.match(/@(\w*)$/);
+  if (mentionMatch) {
+    menu.value.open = true;
+    menuList.value.items = filterUsers(mentionMatch[1]);
+    menuList.value.itemTitle = "nick";
+    menuList.value.itemValue = "nick";
+  } else {
+    menu.value.open = false;
+  }
+}
+
+function tabComplete() {
+  if (!menu.value.open) {
+    return;
+  }
+
+  let nextSelection = 0;
+  if (menuList.value.selected.length) {
+    const currentIdx = menuList.value.items.indexOf(menuList.value.selected[0]);
+    const nextIdx = currentIdx + 1;
+    if (menuList.value.items[nextIdx]) nextSelection = nextIdx;
+  }
+
+  menuList.value.selected = [menuList.value.items[nextSelection]];
+
+  // hello @
+
+  const beforeCursor = text.value.splice(0, cursor);
+  const afterCursor = text.value.slice(cursor);
+}
+</script>
+<template>
+  <v-menu
+    v-model="menu.open"
+    location="top"
+    activator="parent"
+    :open-on-click="false"
+    :open-on-focus="false"
+  >
+    <v-list v-bind="menuList" @click:select="clickItem" />
+  </v-menu>
+  <v-text-field
+    v-model="text"
+    autofocus
+    hide-details
+    @input="trigger"
+    @keydown.enter.prevent="send"
+    @keydown.tab.prevent="tabComplete"
+    variant="outlined"
+  ></v-text-field>
+</template>