send mouse move on enter/leave
diff --git a/src/video/emscripten/SDL_emscriptenevents.c b/src/video/emscripten/SDL_emscriptenevents.c
index 67937b5..fc72e0f 100644
--- a/src/video/emscripten/SDL_emscriptenevents.c
+++ b/src/video/emscripten/SDL_emscriptenevents.c
@@ -350,6 +350,22 @@ Emscripten_HandleMouseFocus(int eventType, const EmscriptenMouseEvent *mouseEven
{
SDL_WindowData *window_data = userData;
+ int mx = mouseEvent->canvasX, my = mouseEvent->canvasY;
+ EmscriptenPointerlockChangeEvent pointerlock_status;
+
+ /* check for pointer lock */
+ emscripten_get_pointerlock_status(&pointerlock_status);
+
+ if (!pointerlock_status.isActive) {
+ /* rescale (in case canvas is being scaled)*/
+ double client_w, client_h;
+ emscripten_get_element_css_size(NULL, &client_w, &client_h);
+
+ mx = mx * (window_data->window->w / (client_w * window_data->pixel_ratio));
+ my = my * (window_data->window->h / (client_h * window_data->pixel_ratio));
+ SDL_SendMouseMotion(window_data->window, 0, pointerlock_status.isActive, mx, my);
+ }
+
SDL_SetMouseFocus(eventType == EMSCRIPTEN_EVENT_MOUSEENTER ? window_data->window : NULL);
return 1;
}