show documents as loaded from config

BUG: 353373

kate/autotests/session_test.cpp

@@ -97,18 +97,6 @@ void KateSessionTest::createFrom()
     QCOMPARE(ns->config()->group(groupName).readEntry("foo"), QLatin1String("bar"));
 }
 
-void KateSessionTest::documents()
-{
-    KateSession::Ptr s = KateSession::create(m_tmpfile->fileName(), QStringLiteral("session name"));
-
-    s->setDocuments(42);
-    QCOMPARE((int)s->documents(), 42);
-
-    s->config()->sync();
-    KConfig c(m_tmpfile->fileName());
-    QCOMPARE(c.group("Open Documents").readEntry<int>("Count", 0), 42);
-}
-
 void KateSessionTest::setFile()
 {
     KateSession::Ptr s = KateSession::create(m_tmpfile->fileName(), QStringLiteral("session name"));

kate/autotests/session_test.h

@@ -24,7 +24,6 @@ private Q_SLOTS:
     void createAnonymous();
     void createAnonymousFrom();
     void createFrom();
-    void documents();
     void setFile();
     void setName();
     void timestamp();

kate/session/katesession.cpp

@@ -24,7 +24,6 @@ KateSession::KateSession(const QString &file, const QString &name, const bool an
     : m_name(name)
     , m_file(file)
     , m_anonymous(anonymous)
-    , m_documents(0)
 {
     Q_ASSERT(!m_file.isEmpty());
 
@@ -36,9 +35,6 @@ KateSession::KateSession(const QString &file, const QString &name, const bool an
     }
 
     m_timestamp = QFileInfo(m_file).lastModified();
-
-    // get the document count
-    m_documents = config()->group(opGroupName).readEntry(keyCount, 0);
 }
 
 const QString &KateSession::file() const
@@ -46,10 +42,9 @@ const QString &KateSession::file() const
     return m_file;
 }
 
-void KateSession::setDocuments(const unsigned int number)
+unsigned int KateSession::documents()
 {
-    config()->group(opGroupName).writeEntry(keyCount, number);
-    m_documents = number;
+    return config()->group(opGroupName).readEntry(keyCount, 0);
 }
 
 void KateSession::setFile(const QString &filename)

kate/session/katesession.h

@@ -51,15 +51,7 @@ public:
      * count of documents in this session
      * @return documents count
      */
-    unsigned int documents() const
-    {
-        return m_documents;
-    }
-
-    /**
-     * update \p number of opened documents in session
-     */
-    void setDocuments(const unsigned int number);
+    unsigned int documents();
 
     /**
      * @return true if this is anonymous/new session
@@ -120,7 +112,6 @@ private:
     QString m_name;
     QString m_file;
     bool m_anonymous;
-    unsigned int m_documents;
     std::unique_ptr<KConfig> m_config;
     QDateTime m_timestamp;
 };