winewayland.drv: Implement SetCursor using cursor bitmap data.

dlls/winewayland.drv/wayland_surface.c

@@ -126,7 +126,10 @@ void wayland_surface_destroy(struct wayland_surface *surface)
 {
     pthread_mutex_lock(&process_wayland.pointer.mutex);
     if (process_wayland.pointer.focused_hwnd == surface->hwnd)
+    {
         process_wayland.pointer.focused_hwnd = NULL;
+        process_wayland.pointer.enter_serial = 0;
+    }
     pthread_mutex_unlock(&process_wayland.pointer.mutex);
 
     pthread_mutex_lock(&xdg_data_mutex);

dlls/winewayland.drv/waylanddrv.h

@@ -56,10 +56,19 @@ enum wayland_window_message
     WM_WAYLAND_INIT_DISPLAY_DEVICES = 0x80001000
 };
 
+struct wayland_cursor
+{
+    struct wayland_shm_buffer *shm_buffer;
+    struct wl_surface *wl_surface;
+    int hotspot_x, hotspot_y;
+};
+
 struct wayland_pointer
 {
     struct wl_pointer *wl_pointer;
     HWND focused_hwnd;
+    uint32_t enter_serial;
+    struct wayland_cursor cursor;
     pthread_mutex_t mutex;
 };
 
@@ -204,6 +213,7 @@ RGNDATA *get_region_data(HRGN region) DECLSPEC_HIDDEN;
 
 LRESULT WAYLAND_DesktopWindowProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) DECLSPEC_HIDDEN;
 void WAYLAND_DestroyWindow(HWND hwnd) DECLSPEC_HIDDEN;
+void WAYLAND_SetCursor(HWND hwnd, HCURSOR hcursor) DECLSPEC_HIDDEN;
 BOOL WAYLAND_UpdateDisplayDevices(const struct gdi_device_manager *device_manager,
                                   BOOL force, void *param) DECLSPEC_HIDDEN;
 LRESULT WAYLAND_WindowMessage(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) DECLSPEC_HIDDEN;

dlls/winewayland.drv/waylanddrv_main.c

@@ -33,6 +33,7 @@ static const struct user_driver_funcs waylanddrv_funcs =
 {
     .pDesktopWindowProc = WAYLAND_DesktopWindowProc,
     .pDestroyWindow = WAYLAND_DestroyWindow,
+    .pSetCursor = WAYLAND_SetCursor,
     .pUpdateDisplayDevices = WAYLAND_UpdateDisplayDevices,
     .pWindowMessage = WAYLAND_WindowMessage,
     .pWindowPosChanged = WAYLAND_WindowPosChanged,