KCoreConfigSkeleton: delay parsing until the call to readConfig()

src/core/kconfig.cpp

@@ -259,8 +259,10 @@ KConfig::KConfig(const QString &file, OpenFlags mode,
 {
     d_ptr->changeFileName(file); // set the local file name
 
-    // read initial information off disk
-    reparseConfiguration();
+    if ((mode & DelayedParsing) == 0) {
+        // read initial information off disk
+        reparseConfiguration();
+    }
 }
 
 KConfig::KConfig(const QString &file, const QString &backend, QStandardPaths::StandardLocation resourceType)

src/core/kconfig.h

@@ -95,7 +95,8 @@ public:
         SimpleConfig    = 0x00, ///< Just a single config file.
         NoCascade       = IncludeGlobals, ///< Include user's globals, but omit system settings.
         NoGlobals       = CascadeConfig, ///< Cascade to system settings, but omit user's globals.
-        FullConfig      = IncludeGlobals | CascadeConfig ///< Fully-fledged config, including globals and cascading to system settings
+        FullConfig      = IncludeGlobals | CascadeConfig, ///< Fully-fledged config, including globals and cascading to system settings
+        DelayedParsing  = 0x04 ///< Do not parse in the constructor, require a call to reparseConfiguration
     };
     Q_DECLARE_FLAGS(OpenFlags, OpenFlag)
 

src/core/kcoreconfigskeleton.cpp

@@ -986,7 +986,7 @@ KCoreConfigSkeleton::KCoreConfigSkeleton(const QString &configname, QObject *par
 {
     //qDebug() << "Creating KCoreConfigSkeleton (" << (void *)this << ")";
 
-    d->mConfig = KSharedConfig::openConfig(configname);
+    d->mConfig = KSharedConfig::openConfig(configname, KConfig::FullConfig | KConfig::DelayedParsing);
 }
 
 KCoreConfigSkeleton::KCoreConfigSkeleton(KSharedConfig::Ptr pConfig, QObject *parent)