feat: introduce font picker (#8012)

Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

packages/excalidraw/components/PropertiesPopover.tsx

@@ -0,0 +1,96 @@
+import React, { type ReactNode } from "react";
+import clsx from "clsx";
+import * as Popover from "@radix-ui/react-popover";
+
+import { useDevice } from "./App";
+import { Island } from "./Island";
+import { isInteractive } from "../utils";
+
+interface PropertiesPopoverProps {
+  className?: string;
+  container: HTMLDivElement | null;
+  children: ReactNode;
+  style?: object;
+  onClose: () => void;
+  onKeyDown?: React.KeyboardEventHandler<HTMLDivElement>;
+  onPointerLeave?: React.PointerEventHandler<HTMLDivElement>;
+  onFocusOutside?: Popover.DismissableLayerProps["onFocusOutside"];
+  onPointerDownOutside?: Popover.DismissableLayerProps["onPointerDownOutside"];
+}
+
+export const PropertiesPopover = React.forwardRef<
+  HTMLDivElement,
+  PropertiesPopoverProps
+>(
+  (
+    {
+      className,
+      container,
+      children,
+      style,
+      onClose,
+      onKeyDown,
+      onFocusOutside,
+      onPointerLeave,
+      onPointerDownOutside,
+    },
+    ref,
+  ) => {
+    const device = useDevice();
+
+    return (
+      <Popover.Portal container={container}>
+        <Popover.Content
+          ref={ref}
+          className={clsx("focus-visible-none", className)}
+          data-prevent-outside-click
+          side={
+            device.editor.isMobile && !device.viewport.isLandscape
+              ? "bottom"
+              : "right"
+          }
+          align={
+            device.editor.isMobile && !device.viewport.isLandscape
+              ? "center"
+              : "start"
+          }
+          alignOffset={-16}
+          sideOffset={20}
+          style={{
+            zIndex: "var(--zIndex-popup)",
+          }}
+          onPointerLeave={onPointerLeave}
+          onKeyDown={onKeyDown}
+          onFocusOutside={onFocusOutside}
+          onPointerDownOutside={onPointerDownOutside}
+          onCloseAutoFocus={(e) => {
+            e.stopPropagation();
+            // prevents focusing the trigger
+            e.preventDefault();
+
+            // return focus to excalidraw container unless
+            // user focuses an interactive element, such as a button, or
+            // enters the text editor by clicking on canvas with the text tool
+            if (container && !isInteractive(document.activeElement)) {
+              container.focus();
+            }
+
+            onClose();
+          }}
+        >
+          <Island padding={3} style={style}>
+            {children}
+          </Island>
+          <Popover.Arrow
+            width={20}
+            height={10}
+            style={{
+              fill: "var(--popup-bg-color)",
+              filter: "drop-shadow(rgba(0, 0, 0, 0.05) 0px 3px 2px)",
+            }}
+          />
+        </Popover.Content>
+      </Popover.Portal>
+    );
+  },
+);