Fix custom widgets not receiving pointermove events (#335)

src/LGraphCanvas.ts

@@ -2947,8 +2947,17 @@ export class LGraphCanvas {
         }
 
         // Resize corner
-        if (this.canvas && !e.ctrlKey) {
-          if (node.inResizeCorner(e.canvasX, e.canvasY)) underPointer |= CanvasItem.ResizeSe
+        if (node.inResizeCorner(e.canvasX, e.canvasY)) {
+          underPointer |= CanvasItem.ResizeSe
+        } else {
+          // Legacy widget mouse callbacks for pointermove events
+          const widget = node.getWidgetOnPos(e.canvasX, e.canvasY)
+
+          if (widget?.mouse) {
+            const x = e.canvasX - node.pos[0]
+            const y = e.canvasY - node.pos[1]
+            this.dirty_canvas = widget.mouse(e, [x, y], node)
+          }
         }
       } else {
         // Not over a node

src/types/widgets.ts

@@ -1,6 +1,6 @@
 import { CanvasColour, Point, Size } from "../interfaces"
 import type { LGraphCanvas, LGraphNode } from "../litegraph"
-import type { CanvasMouseEvent } from "./events"
+import type { CanvasMouseEvent, CanvasPointerEvent } from "./events"
 
 export interface IWidgetOptions<TValue = unknown> extends Record<string, unknown> {
   on?: string
@@ -135,7 +135,14 @@ export interface IBaseWidget<TElement extends HTMLElement = HTMLElement> {
   onRemove?(): void
   beforeQueued?(): void
 
-  mouse?(event: CanvasMouseEvent, arg1: number[], node: LGraphNode): boolean
+  /**
+   * Simple callback for pointer events, allowing custom widgets to events relevant to them.
+   * @param event The pointer event that triggered this callback
+   * @param pointerOffset Offset of the pointer relative to {@link node.pos}
+   * @param node The node this widget belongs to
+   * @todo Expose CanvasPointer API to custom widgets
+   */
+  mouse?(event: CanvasPointerEvent, pointerOffset: Point, node: LGraphNode): boolean
   draw?(
     ctx: CanvasRenderingContext2D,
     node: LGraphNode,