Fixes Touch coordinates on the native Windows platform

Author: xbpiao

native/cocos/platform/SDLHelper.cpp

@@ -315,20 +315,23 @@ void SDLHelper::dispatchSDLEvent(uint32_t windowId, const SDL_Event &sdlEvent) {
             const SDL_TouchFingerEvent &event = sdlEvent.tfinger;
             touch.type = TouchEvent::Type::ENDED;
             touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
+            touch.windowId = event.windowID;
             events::Touch::broadcast(touch);
             break;
         }
         case SDL_FINGERDOWN: {
             const SDL_TouchFingerEvent &event = sdlEvent.tfinger;
             touch.type = TouchEvent::Type::BEGAN;
             touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
+            touch.windowId = event.windowID;
             events::Touch::broadcast(touch);
             break;
         }
         case SDL_FINGERMOTION: {
             const SDL_TouchFingerEvent &event = sdlEvent.tfinger;
             touch.type = TouchEvent::Type::MOVED;
             touch.touches = {TouchInfo(event.x, event.y, (int)event.fingerId)};
+            touch.windowId = event.windowID;
             events::Touch::broadcast(touch);
             break;
         }

pal/input/native/touch-input.ts

@@ -28,6 +28,8 @@ import { EventTarget } from '../../../cocos/core/event';
 import { EventTouch, Touch as CCTouch } from '../../../cocos/input/types';
 import { touchManager } from '../touch-manager';
 import { InputEventType } from '../../../cocos/input/types/event-enum';
+import { systemInfo } from 'pal/system-info';
+import { OS } from '../../system-info/enum-type';
 
 export type TouchCallback = (res: EventTouch) => void;
 
@@ -114,7 +116,12 @@ export class TouchInputSource {
     private _dispatchEvent (eventType: InputEventType, changedTouches: Touch[], windowId: number): void {
         const handleTouches: CCTouch[] = [];
         const length = changedTouches.length;
-        const windowSize = this._windowManager.getWindow(windowId).getViewSize() as Size;
+        const window = this._windowManager.getWindow(windowId);
+        if (window === null) {
+            return;
+        }
+        const windowSize = window.getViewSize();        
+        // const windowSize = this._windowManager.getWindow(windowId).getViewSize() as Size;
         for (let i = 0; i < length; ++i) {
             const changedTouch = changedTouches[i];
             const touchID = changedTouch.identifier;
@@ -144,7 +151,10 @@ export class TouchInputSource {
     }
 
     private _getLocation (touch: globalThis.Touch, windowSize: Size): Vec2 {
-        const dpr = screenAdapter.devicePixelRatio;
+        let dpr = screenAdapter.devicePixelRatio;
+        if (systemInfo.os === OS.WINDOWS) { // 在windows下DPI变化时下发的是实际坐标
+            dpr = 1;
+        }        
         const x = touch.clientX * dpr;
         const y = windowSize.height - touch.clientY * dpr;
         return new Vec2(x, y);