Welcome screen with recent repositories and a folder picker when gites starts outside a repository

src/App.vue

@@ -19,6 +19,7 @@ import LabelStack from "./components/LabelStack.vue";
 import PreviewPanel from "./components/PreviewPanel.vue";
 import RepoMenu from "./components/RepoMenu.vue";
 import Sidebar from "./components/Sidebar.vue";
+import Welcome from "./components/Welcome.vue";
 
 const ROW_H = 28;
 const MESSAGE_FONT = '13px "Inter", "Noto Sans", system-ui, sans-serif';
@@ -106,17 +107,22 @@ function startDrag(e: PointerEvent, axis: "x" | "y") {
 let filtersLoadedFor: string | null = null;
 
 let loading = false;
+/** False until the first load answers, so the welcome screen does not flash up at start. */
+const started = ref(false);
 
 async function load() {
   // The window gets focus often; one reload at a time is enough.
   if (loading) return;
   loading = true;
   try {
-    await applyRepo(await invoke<RepoData>("load_repo"));
+    // null: gites was started outside a repository and none is open yet.
+    const data = await invoke<RepoData | null>("load_repo");
+    if (data) await applyRepo(data);
   } catch (e) {
     error.value = String(e);
   } finally {
     loading = false;
+    started.value = true;
   }
 }
 
@@ -536,6 +542,14 @@ onUnmounted(() => {
         <button @click="menuOpen = true">Open a repository…</button>
       </div>
 
+      <Welcome
+        v-else-if="!repo && started"
+        :recents="settings.recents"
+        @pick="openRepo"
+        @browse="browse"
+        @remove="(p) => (settings.recents = settings.recents.filter((x) => x !== p))"
+      />
+
       <div v-else class="center">
 
       <DiffView