From 08101b2b27f7f2177993ddb62c15187c169ccd19 Mon Sep 17 00:00:00 2001
From: Lars Knoll <lars.knoll@qt.io>
Date: Tue, 30 Apr 2019 14:13:22 +0200
Subject: Fix qplugin.h for Qt 6

Change-Id: I3ae6594a2982f990a5b3851a063b0b2f02d16bd9
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/plugin/qplugin.h | 32 ++++++++++++++++++++++++++------
 1 file changed, 26 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/corelib/plugin/qplugin.h b/src/corelib/plugin/qplugin.h
index 676b5047d6..c176155c28 100644
--- a/src/corelib/plugin/qplugin.h
+++ b/src/corelib/plugin/qplugin.h
@@ -75,7 +75,12 @@ typedef QObject *(*QtPluginInstanceFunction)();
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 typedef const char *(*QtPluginMetaDataFunction)();
 #else
-typedef QPair<const uchar *, size_t> (*QtPluginMetaDataFunction)();
+struct QPluginMetaData
+{
+    const uchar *data;
+    size_t size;
+};
+typedef QPluginMetaData (*QtPluginMetaDataFunction)();
 #endif
 
 
@@ -84,12 +89,14 @@ struct Q_CORE_EXPORT QStaticPlugin
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 public:
     constexpr QStaticPlugin(QtPluginInstanceFunction i, QtPluginMetaDataFunction m)
-        : instance(i), rawMetaData(m().first), rawMetaDataSize(m().second)
+        : instance(i), rawMetaData(m().data), rawMetaDataSize(m().size)
+    {}
     QtPluginInstanceFunction instance;
 private:
     // ### Qt 6: revise, as this is not standard-layout
     const void *rawMetaData;
-    qsizetype rawMetaDataSize
+    qsizetype rawMetaDataSize;
+public:
 #elif !defined(Q_QDOC)
     // Note: This struct is initialized using an initializer list.
     // As such, it cannot have any new constructors or variables.
@@ -154,6 +161,16 @@ void Q_CORE_EXPORT qRegisterStaticPluginFunction(QStaticPlugin staticPlugin);
 
 #if defined(QT_STATICPLUGIN)
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#  define QT_MOC_EXPORT_PLUGIN(PLUGINCLASS, PLUGINCLASSNAME) \
+    static QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance_##PLUGINCLASSNAME() \
+    Q_PLUGIN_INSTANCE(PLUGINCLASS) \
+    static QPluginMetaData qt_plugin_query_metadata_##PLUGINCLASSNAME() \
+        { return { qt_pluginMetaData, sizeof qt_pluginMetaData }; } \
+    const QT_PREPEND_NAMESPACE(QStaticPlugin) qt_static_plugin_##PLUGINCLASSNAME() { \
+        return { qt_plugin_instance_##PLUGINCLASSNAME, qt_plugin_query_metadata_##PLUGINCLASSNAME}; \
+    }
+#else
 #  define QT_MOC_EXPORT_PLUGIN(PLUGINCLASS, PLUGINCLASSNAME) \
     static QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance_##PLUGINCLASSNAME() \
     Q_PLUGIN_INSTANCE(PLUGINCLASS) \
@@ -162,13 +179,15 @@ void Q_CORE_EXPORT qRegisterStaticPluginFunction(QStaticPlugin staticPlugin);
         QT_PREPEND_NAMESPACE(QStaticPlugin) plugin = { qt_plugin_instance_##PLUGINCLASSNAME, qt_plugin_query_metadata_##PLUGINCLASSNAME}; \
         return plugin; \
     }
+#endif
 
-#elif QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#else
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 
 #  define QT_MOC_EXPORT_PLUGIN(PLUGINCLASS, PLUGINCLASSNAME)      \
             Q_EXTERN_C Q_DECL_EXPORT \
-            auto qt_plugin_query_metadata() \
-            { return qMakePair<const void *, size_t>(qt_pluginMetaData, sizeof qt_pluginMetaData); } \
+            QPluginMetaData qt_plugin_query_metadata() \
+            { return { qt_pluginMetaData, sizeof qt_pluginMetaData }; } \
             Q_EXTERN_C Q_DECL_EXPORT QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance() \
             Q_PLUGIN_INSTANCE(PLUGINCLASS)
 
@@ -183,6 +202,7 @@ void Q_CORE_EXPORT qRegisterStaticPluginFunction(QStaticPlugin staticPlugin);
 
 #endif
 
+#endif
 
 #define Q_EXPORT_PLUGIN(PLUGIN) \
             Q_EXPORT_PLUGIN2(PLUGIN, PLUGIN)
-- 
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