layout:do not store homepath for schemes

app/layout/abstractlayout.cpp

@@ -383,7 +383,13 @@ void AbstractLayout::loadConfig()
     m_backgroundStyle = static_cast<BackgroundStyle>(m_layoutGroup.readEntry("backgroundStyle", (int)ColorBackgroundStyle));
 
     m_schemeFile = m_layoutGroup.readEntry("schemeFile", QString(Data::Layout::DEFAULTSCHEMEFILE));
-    m_schemeFile = m_schemeFile.isEmpty() ? Data::Layout::DEFAULTSCHEMEFILE : m_schemeFile;
+
+    if (m_schemeFile.startsWith("~")) {
+        m_schemeFile.remove(0, 1);
+        m_schemeFile = QDir::homePath() + m_schemeFile;
+    }
+
+    m_schemeFile = m_schemeFile.isEmpty() || !QFileInfo(m_schemeFile).exists() ? Data::Layout::DEFAULTSCHEMEFILE : m_schemeFile;
 
     QString deprecatedTextColor = m_layoutGroup.readEntry("textColor", QString());
     QString deprecatedBackground = m_layoutGroup.readEntry("background", QString());
@@ -418,7 +424,14 @@ void AbstractLayout::saveConfig()
     m_layoutGroup.writeEntry("lastUsedActivity", m_lastUsedActivity);
     m_layoutGroup.writeEntry("popUpMargin", m_popUpMargin);
     m_layoutGroup.writeEntry("preferredForShortcutsTouched", m_preferredForShortcutsTouched);
-    m_layoutGroup.writeEntry("schemeFile", m_schemeFile == Data::Layout::DEFAULTSCHEMEFILE ? "" : m_schemeFile);
+
+    QString scmfile = m_schemeFile;
+
+    if (scmfile.startsWith(QDir::homePath())) {
+        scmfile.remove(0, QDir::homePath().size());
+        scmfile = "~" + scmfile;
+    }
+    m_layoutGroup.writeEntry("schemeFile", scmfile == Data::Layout::DEFAULTSCHEMEFILE ? "" : scmfile);
 
     m_layoutGroup.sync();
 }