save/restore status of the splitter

mainwindow.ui

@@ -225,7 +225,7 @@
      </widget>
     </item>
     <item>
-     <widget class="QSplitter" name="centralWidget">
+     <widget class="QSplitter" name="mainSplitter">
       <property name="sizePolicy">
        <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
         <horstretch>0</horstretch>

settings.cpp

@@ -106,6 +106,7 @@ void Settings::load()
         useNativeDecoration = s.value("nativeDecoration", true).toBool();
         windowGeometry = s.value("windowGeometry", QByteArray()).toByteArray();
         windowState = s.value("windowState", QByteArray()).toByteArray();
+        splitterState = s.value("splitterState", QByteArray()).toByteArray();
     s.endGroup();
 
     s.beginGroup("Privacy");
@@ -166,6 +167,7 @@ void Settings::save(QString path)
         s.setValue("nativeDecoration", useNativeDecoration);
         s.setValue("windowGeometry", windowGeometry);
         s.setValue("windowState", windowState);
+        s.setValue("splitterState", splitterState);
     s.endGroup();
 
     s.beginGroup("Privacy");
@@ -383,6 +385,16 @@ void Settings::setWindowState(const QByteArray &value)
     windowState = value;
 }
 
+QByteArray Settings::getSplitterState() const
+{
+    return splitterState;
+}
+
+void Settings::setSplitterState(const QByteArray &value)
+{
+    splitterState = value;
+}
+
 bool Settings::isMinimizeOnCloseEnabled() const
 {
     return minimizeOnClose;

settings.h

@@ -124,6 +124,9 @@ public:
     QByteArray getWindowState() const;
     void setWindowState(const QByteArray &value);
 
+    QByteArray getSplitterState() const;
+    void setSplitterState(const QByteArray &value);
+
 private:
     Settings();
     Settings(Settings &settings) = delete;
@@ -163,6 +166,7 @@ private:
     bool useNativeDecoration;
     QByteArray windowGeometry;
     QByteArray windowState;
+    QByteArray splitterState;
 
     // ChatView
     int firstColumnHandlePos;

widget/widget.cpp

@@ -55,6 +55,7 @@ Widget::Widget(QWidget *parent)
     //restore window state
     restoreGeometry(Settings::getInstance().getWindowGeometry());
     restoreState(Settings::getInstance().getWindowState());
+    ui->mainSplitter->restoreState(Settings::getInstance().getSplitterState());
 
     if (Settings::getInstance().getUseNativeDecoration())
     {
@@ -147,8 +148,8 @@ Widget::Widget(QWidget *parent)
     //ui->friendList->viewport()->installEventFilter(this);
 
     // disable proportional scaling
-    ui->centralWidget->setStretchFactor(0,0);
-    ui->centralWidget->setStretchFactor(1,1);
+    ui->mainSplitter->setStretchFactor(0,0);
+    ui->mainSplitter->setStretchFactor(1,1);
 
     ui->statusButton->setObjectName("offline");
     ui->statusButton->style()->polish(ui->statusButton);
@@ -253,6 +254,7 @@ void Widget::closeEvent(QCloseEvent *event)
 {
     Settings::getInstance().setWindowGeometry(saveGeometry());
     Settings::getInstance().setWindowState(saveState());
+    Settings::getInstance().setSplitterState(ui->mainSplitter->saveState());
     QWidget::closeEvent(event);
 }