close: #99

src/components/NavigationContainer.tsx

@@ -21,6 +21,7 @@ import {
 	autoCloseOldEphemeralTabs,
 	initEphemeralTabs,
 	installTabHeaderHandlers,
+	makeDblclickedFileNonEphemeral,
 	makeLeafEphemeralOnEditorChange,
 	makeLeafNonEphemeral,
 	makeTabNonEphemeralAutomatically,
@@ -178,6 +179,9 @@ export const NavigationContainer = () => {
 				ref.current.toggleClass("tab-index-view-cue", false);
 			}
 		});
+		plugin.registerDomEvent(document, "dblclick", (event) => {
+			makeDblclickedFileNonEphemeral(app, event);
+		});
 		plugin.addCommand({
 			id: "toggle-zen-mode",
 			name: "Toggle zen mode",

src/services/EphemeralTabs.ts

@@ -5,7 +5,11 @@ import {
 	WorkspaceLeaf,
 	WorkspaceParent,
 } from "obsidian";
-import { iterateRootOrFloatingLeaves, iterateSidebarLeaves } from "./GetTabs";
+import {
+	getOpenFileOfLeaf,
+	iterateRootOrFloatingLeaves,
+	iterateSidebarLeaves,
+} from "./GetTabs";
 import { useViewState } from "src/models/ViewState";
 import { useSettings } from "src/models/PluginContext";
 import { Identifier } from "src/models/VTWorkspace";
@@ -167,3 +171,26 @@ export function autoCloseOldEphemeralTabs(app: App) {
 	iterateRootOrFloatingLeaves(app, (leaf) => groups.add(leaf.parent));
 	groups.forEach((group) => autoCloseOldEphemeralTabsForGroup(group));
 }
+
+export function makeDblclickedFileNonEphemeral(app: App, event: MouseEvent) {
+	const target = event.target as HTMLElement;
+	const fileTitleEl = target.matchParent(".nav-file-title");
+	if (!fileTitleEl) return;
+	const path = fileTitleEl.getAttribute("data-path");
+	if (!path) return;
+	const file = app.vault.getAbstractFileByPath(path);
+	if (!file) return;
+	let activeTime = 0;
+	let targetLeaf: WorkspaceLeaf | null = null;
+	app.workspace.iterateAllLeaves((leaf) => {
+		const leafFile = getOpenFileOfLeaf(app, leaf);
+		if (!leafFile || leafFile.path !== file.path) return;
+		if (leaf.activeTime >= activeTime) {
+			activeTime = leaf.activeTime;
+			targetLeaf = leaf;
+		}
+	});
+	if (targetLeaf) {
+		makeLeafNonEphemeral(targetLeaf);
+	}
+}