Client: Add support for animated cursors

[ChangeLog][QPA plugin] Added support for animated cursors.

Previously we would just show the first frame of the animation.

Fixes: QTBUG-48181
Change-Id: Ie06bff8950678b5ff7b7e2e50915c85905a1200b
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/client/qwaylandcursor.cpp b/src/client/qwaylandcursor.cpp
index 8b2ed036d..165df7762 100644
--- a/src/client/qwaylandcursor.cpp
+++ b/src/client/qwaylandcursor.cpp
@@ -209,7 +209,7 @@ wl_cursor *QWaylandCursorTheme::requestCursor(WaylandCursor shape)
     return nullptr;
 }
 
-struct wl_cursor_image *QWaylandCursorTheme::cursorImage(Qt::CursorShape shape)
+::wl_cursor_image *QWaylandCursorTheme::cursorImage(Qt::CursorShape shape, uint millisecondsIntoAnimation)
 {
     struct wl_cursor *waylandCursor = nullptr;
 
@@ -227,8 +227,9 @@ struct wl_cursor_image *QWaylandCursorTheme::cursorImage(Qt::CursorShape shape)
         return nullptr;
     }
 
-    struct wl_cursor_image *image = waylandCursor->images[0];
-    struct wl_buffer *buffer = wl_cursor_image_get_buffer(image);
+    int frame = wl_cursor_frame(waylandCursor, millisecondsIntoAnimation);
+    ::wl_cursor_image *image = waylandCursor->images[frame];
+    ::wl_buffer *buffer = wl_cursor_image_get_buffer(image);
     if (!buffer) {
         qCWarning(lcQpaWayland) << "Could not find buffer for cursor";
         return nullptr;