feat: function key mapping

webui/html/app.js

@@ -662,6 +662,72 @@ function shouldHandleShortcut(target) {
   return false;
 }
 
+function actionButton(id) {
+  return document.getElementById(id);
+}
+
+function triggerActionButton(id) {
+  const button = actionButton(id);
+  if (!button || button.disabled) {
+    return false;
+  }
+  button.click();
+  return true;
+}
+
+function actionShortcutHandled(event) {
+  const altOnly = event.altKey && !event.ctrlKey && !event.metaKey && !event.shiftKey;
+  const noModifiers = !event.altKey && !event.ctrlKey && !event.metaKey && !event.shiftKey;
+
+  if (noModifiers) {
+    if (event.key === "F3") {
+      return triggerActionButton("view-btn");
+    }
+    if (event.key === "F4") {
+      return triggerActionButton("edit-btn");
+    }
+    if (event.key === "F5") {
+      return triggerActionButton("copy-btn");
+    }
+    if (event.key === "F6") {
+      return triggerActionButton("move-btn");
+    }
+    if (event.key === "F7") {
+      return triggerActionButton("mkdir-btn");
+    }
+    if (event.key === "F8") {
+      return triggerActionButton("delete-btn");
+    }
+  }
+
+  if (altOnly) {
+    const key = event.key.toLowerCase();
+    if (key === "3") {
+      return triggerActionButton("view-btn");
+    }
+    if (key === "4") {
+      return triggerActionButton("edit-btn");
+    }
+    if (key === "5") {
+      return triggerActionButton("copy-btn");
+    }
+    if (key === "6") {
+      return triggerActionButton("move-btn");
+    }
+    if (key === "7") {
+      return triggerActionButton("mkdir-btn");
+    }
+    if (key === "8") {
+      return triggerActionButton("delete-btn");
+    }
+    if (key === "r") {
+      return triggerActionButton("rename-btn");
+    }
+  }
+
+  return false;
+}
+
 function wildcardPopupElements() {
   return {
     overlay: document.getElementById("wildcard-popup"),
@@ -958,6 +1024,11 @@ function handleKeyboardShortcuts(event) {
     return;
   }
 
+  if (actionShortcutHandled(event)) {
+    event.preventDefault();
+    return;
+  }
+
   if (event.shiftKey && event.key === "+") {
     event.preventDefault();
     openWildcardPopup("select");