QQmlImageProviderBase: Address Qt 6 TODO

Reorder the enum entries to make Invalid the zero value,
so that we can extend it in the future.

Change-Id: I6903d25c8f5d84c88bcfbfdbff55723da6c21eb9
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 3 insertions, 4 deletions

diff --git a/src/qml/qml/qqmlengine.h b/src/qml/qml/qqmlengine.h
index aeb5756712..ec597bc521 100644
--- a/src/qml/qml/qqmlengine.h
+++ b/src/qml/qml/qqmlengine.h
@@ -53,13 +53,12 @@ QT_BEGIN_NAMESPACE
 class Q_QML_EXPORT QQmlImageProviderBase
 {
 public:
-    enum ImageType {
+    enum ImageType : int {
+        Invalid = 0,
         Image,
         Pixmap,
         Texture,
-        Invalid,
-        ImageResponse
-        // ### Qt6: reorder these, and give Invalid a fixed large value
+        ImageResponse,
     };
 
     enum Flag {