feat(input): route temporary pan through tool state

view/CanvasViewport.tsx

@@ -1,29 +1,35 @@
 import { useEffect, useRef, useState } from "react";
 import type { AppStore } from "@editor/store";
-import type { GlobalPointerConsumer, GlobalWheelConsumer } from "@input/index";
+import type { GlobalKeybindConsumer, GlobalPointerConsumer, GlobalWheelConsumer } from "@input/index";
 import {
-  createViewportPointerPanHandler,
+  createViewportPanInputController,
   handleViewportWheel,
+  keybindEventFromKeyboardEvent,
   pointerInputEventFromPointerEvent,
   wheelInputEventFromWheelEvent,
 } from "@input/index";
 import { createRenderer } from "@renderer/index";
+import { useAppState } from "./useAppState";
 
+const ignoreGlobalKeybind: GlobalKeybindConsumer = () => false;
 const ignoreGlobalPointer: GlobalPointerConsumer = () => false;
 const ignoreGlobalWheel: GlobalWheelConsumer = () => false;
 
 export type CanvasViewportProps = {
   store: AppStore;
+  globalKeybindConsumer?: GlobalKeybindConsumer;
   globalPointerConsumer?: GlobalPointerConsumer;
   globalWheelConsumer?: GlobalWheelConsumer;
 };
 
 export function CanvasViewport({
   store,
+  globalKeybindConsumer = ignoreGlobalKeybind,
   globalPointerConsumer = ignoreGlobalPointer,
   globalWheelConsumer = ignoreGlobalWheel,
 }: CanvasViewportProps) {
   const canvasRef = useRef<HTMLCanvasElement | null>(null);
+  const state = useAppState(store);
   const [isPanning, setIsPanning] = useState(false);
 
   useEffect(() => {
@@ -63,12 +69,24 @@ export function CanvasViewport({
     const canvas = canvasRef.current;
     if (!canvas) return;
 
-    const panHandler = createViewportPointerPanHandler({
-      globalConsumer: globalPointerConsumer,
+    const panHandler = createViewportPanInputController({
+      globalKeyConsumer: globalKeybindConsumer,
+      globalPointerConsumer,
       dispatch: store.dispatch,
       getCurrentZoom: () => store.getState().editor.viewport.zoom,
+      isPanMode: () => store.getState().editor.tools.interactionMode.type === "temporary-pan",
     });
 
+    const handleKeyDown = (event: KeyboardEvent) => {
+      const consumed = panHandler.keyDown(keybindEventFromKeyboardEvent(event));
+      if (consumed) event.preventDefault();
+    };
+
+    const handleKeyUp = (event: KeyboardEvent) => {
+      const consumed = panHandler.keyUp(keybindEventFromKeyboardEvent(event));
+      if (consumed) event.preventDefault();
+    };
+
     const handlePointerDown = (event: PointerEvent) => {
       const consumed = panHandler.pointerDown(pointerInputEventFromPointerEvent(event));
       if (!consumed) return;
@@ -91,18 +109,22 @@ export function CanvasViewport({
       event.preventDefault();
     };
 
+    window.addEventListener("keydown", handleKeyDown);
+    window.addEventListener("keyup", handleKeyUp);
     canvas.addEventListener("pointerdown", handlePointerDown);
     canvas.addEventListener("pointermove", handlePointerMove);
     canvas.addEventListener("pointerup", handlePointerUp);
     canvas.addEventListener("pointercancel", handlePointerUp);
 
     return () => {
+      window.removeEventListener("keydown", handleKeyDown);
+      window.removeEventListener("keyup", handleKeyUp);
       canvas.removeEventListener("pointerdown", handlePointerDown);
       canvas.removeEventListener("pointermove", handlePointerMove);
       canvas.removeEventListener("pointerup", handlePointerUp);
       canvas.removeEventListener("pointercancel", handlePointerUp);
     };
-  }, [globalPointerConsumer, store]);
+  }, [globalKeybindConsumer, globalPointerConsumer, store]);
 
   useEffect(() => {
     const canvas = canvasRef.current;
@@ -123,5 +145,8 @@ export function CanvasViewport({
     return () => canvas.removeEventListener("wheel", handleWheel);
   }, [globalWheelConsumer, store]);
 
-  return <canvas ref={canvasRef} className={isPanning ? "h-full w-full cursor-grabbing" : "h-full w-full cursor-grab"} />;
+  const isPanMode = state.editor.tools.interactionMode.type === "temporary-pan";
+  const cursorClass = isPanning ? "cursor-grabbing" : isPanMode ? "cursor-grab" : "cursor-default";
+
+  return <canvas ref={canvasRef} className={`h-full w-full ${cursorClass}`} />;
 }