Add a right-click (or "context") menu to file tree and gizmo (#2628)

* Basic context menu components

* Working context menu!

* Show keyboard shortcuts in file tree context menu

* Add context menu to Gizmo

* Little polish on components

* Add a test for the gizmo, firm up other gizmo tests

* Updated Cargo lock

* Updated Cargo.lock

src/components/FileTree.tsx

@@ -18,6 +18,8 @@ import { useLspContext } from './LspProvider'
 import useHotkeyWrapper from 'lib/hotkeyWrapper'
 import { useModelingContext } from 'hooks/useModelingContext'
 import { DeleteConfirmationDialog } from './ProjectCard/DeleteProjectDialog'
+import { ContextMenu, ContextMenuItem } from './ContextMenu'
+import usePlatform from 'hooks/usePlatform'
 
 function getIndentationCSS(level: number) {
   return `calc(1rem * ${level + 1})`
@@ -125,6 +127,7 @@ const FileTreeItem = ({
   const navigate = useNavigate()
   const [isConfirmingDelete, setIsConfirmingDelete] = useState(false)
   const isCurrentFile = fileOrDir.path === currentFile?.path
+  const itemRef = useRef(null)
 
   const isRenaming = fileContext.itemsBeingRenamed.includes(fileOrDir.path)
   const removeCurrentItemFromRenaming = useCallback(
@@ -185,7 +188,7 @@ const FileTreeItem = ({
   }
 
   return (
-    <>
+    <div className="contents" ref={itemRef}>
       {fileOrDir.children === undefined ? (
         <li
           className={
@@ -321,7 +324,41 @@ const FileTreeItem = ({
           setIsOpen={setIsConfirmingDelete}
         />
       )}
-    </>
+      <FileTreeContextMenu
+        itemRef={itemRef}
+        onRename={addCurrentItemToRenaming}
+        onDelete={() => setIsConfirmingDelete(true)}
+      />
+    </div>
+  )
+}
+
+interface FileTreeContextMenuProps {
+  itemRef: React.RefObject<HTMLElement>
+  onRename: () => void
+  onDelete: () => void
+}
+
+function FileTreeContextMenu({
+  itemRef,
+  onRename,
+  onDelete,
+}: FileTreeContextMenuProps) {
+  const platform = usePlatform()
+  const metaKey = platform === 'macos' ? '⌘' : 'Ctrl'
+
+  return (
+    <ContextMenu
+      menuTargetElement={itemRef}
+      items={[
+        <ContextMenuItem onClick={onRename} hotkey="Enter">
+          Rename
+        </ContextMenuItem>,
+        <ContextMenuItem onClick={onDelete} hotkey={metaKey + ' + Del'}>
+          Delete
+        </ContextMenuItem>,
+      ]}
+    />
   )
 }