# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2016-09-02 00:40:07
# Node ID f25223973c5585e6d952c5bc17deb185afcda9d2
# Parent  30ed6e632f67dc3edc4d1772ff3e6d2a72ba676b

save window geometry

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -181,10 +181,18 @@ MainWindow::MainWindow(QWidget *parent) 
 
     QObject::connect(ui->actionDemoMode, &QAction::toggled,
                      plotMan, &PlotManager::showDemoIndicator);
+
+    // load default settings
+    QSettings settings("serialplot", "serialplot");
+    loadSettings(&settings);
 }
 
 MainWindow::~MainWindow()
 {
+    // save settings
+    QSettings settings("serialplot", "serialplot");
+    saveSettings(&settings);
+
     if (serialPort.isOpen())
     {
         serialPort.close();
@@ -402,3 +410,21 @@ void MainWindow::messageHandler(QtMsgTyp
         ui->statusBar->showMessage(msg, 5000);
     }
 }
+
+void MainWindow::saveSettings(QSettings* settings)
+{
+    // save window geometry
+    settings->beginGroup("MainWindow");
+    settings->setValue("size", size());
+    settings->setValue("pos", pos());
+    settings->endGroup();
+}
+
+void MainWindow::loadSettings(QSettings* settings)
+{
+    // load window geometry
+    settings->beginGroup("MainWindow");
+    resize(settings->value("size", size()).toSize());
+    move(settings->value("pos", pos()).toPoint());
+    settings->endGroup();
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -31,6 +31,7 @@
 #include <QTimer>
 #include <QColor>
 #include <QtGlobal>
+#include <QSettings>
 #include <qwt_plot_curve.h>
 
 #include "portcontrol.h"
@@ -80,6 +81,10 @@ private:
     PlotControlPanel plotControlPanel;
 
     bool isDemoRunning();
+    /// Stores main window settings into a `QSettings`
+    void saveSettings(QSettings* settings);
+    /// Loads main window settings from a `QSettings`
+    void loadSettings(QSettings* settings);
 
 private slots:
     void onPortToggled(bool open);
@@ -90,11 +95,8 @@ private slots:
     void onChannelNameChanged(unsigned channel, QString name);
 
     void clearPlot();
-
     void onSpsChanged(unsigned sps);
-
     void enableDemo(bool enabled);
-
     void onExportCsv();
 };