starting with empty main window

.gitignore

+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+*.moc
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# External libraries
+ext/**
+!ext/.dir
+
+# Temporary files
+tmp/**
+!tmp/.dir
+build/**

AUTHORS

+Tobias Weber <tweber@ill.fr>

CMakeLists.txt

+#
+# @author Tobias Weber <tweber@ill.fr>
+# @date 6-apr-2018
+# @license see 'LICENSE' file
+#
+
+project(in20tools)
+cmake_minimum_required(VERSION 3.0)
+
+
+message("Build type: ${CMAKE_BUILD_TYPE}")
+
+if(NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Release")
+	set(CMAKE_VERBOSE_MAKEFILE TRUE)
+endif()
+
+
+set(CMAKE_CXX_STANDARD 17)
+add_definitions(-std=c++17)
+
+
+include_directories(
+	"${PROJECT_SOURCE_DIR}" 
+	"${PROJECT_SOURCE_DIR}/ext"
+)
+
+
+# -----------------------------------------------------------------------------
+find_package(Qt5Core REQUIRED)
+find_package(Qt5Gui REQUIRED)
+find_package(Qt5Widgets REQUIRED)
+find_package(Qt5PrintSupport REQUIRED)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTOUIC ON)
+# -----------------------------------------------------------------------------
+
+
+
+add_executable(in20
+	tools/in20/main.cpp tools/in20/mainwnd.cpp tools/in20/mainwnd.h
+	ext/qcp/qcustomplot.cpp ext/qcp/qcustomplot.h
+)
+
+
+target_link_libraries(in20
+	Qt5::Core Qt5::Gui Qt5::Widgets Qt5::PrintSupport
+)

INSTALL

+mkdir build && cd build
+cmake -DCMAKE_BUILD_TYPE=Release ..
+make -j4

ext/.dir

+Directory containing external dependencies.

setup_ext.sh

+#!/bin/bash
+#
+# downloads external libraries
+# @author Tobias Weber <tweber@ill.fr>
+# @date 6-apr-18
+# @license see 'LICENSE' file
+#
+
+# -----------------------------------------------------------------------------
+# tools
+WGET=wget
+# -----------------------------------------------------------------------------
+
+
+# -----------------------------------------------------------------------------
+# URLs for external libs
+TLIBS=https://forge.frm2.tum.de/cgit/cgit.cgi/frm2/mira/tlibs.git/snapshot/tlibs-master.tar.bz2
+QCP=http://www.qcustomplot.com/release/2.0.0/QCustomPlot-source.tar.gz
+
+# local file names
+TLIBS_LOCAL=${TLIBS##*[/\\]}
+QCP_LOCAL=${QCP##*[/\\]}
+# -----------------------------------------------------------------------------
+
+
+# -----------------------------------------------------------------------------
+# cleans externals
+function clean_dirs()
+{
+	rm -rf tlibs
+	rm -rf qcp
+}
+
+function clean_files()
+{
+	rm -f ${TLIBS_LOCAL}
+	rm -f ${QCP_LOCAL}
+}
+# -----------------------------------------------------------------------------
+
+
+# -----------------------------------------------------------------------------
+function dl_tlibs()
+{
+	if ! ${WGET} ${TLIBS}
+	then
+		echo -e "Error downloading tlibs.";
+		exit -1;
+	fi
+
+	if ! tar xjvf ${TLIBS_LOCAL}
+	then
+		echo -e "Error extracting tlibs.";
+		exit -1;
+	fi
+
+	mv tlibs-master tlibs
+}
+
+
+function dl_qcp()
+{
+	if ! ${WGET} ${QCP}
+	then
+		echo -e "Error downloading qcp.";
+		exit -1;
+	fi
+
+
+	if ! tar xzvf ${QCP_LOCAL}
+	then
+		echo -e "Error extracting qcp.";
+		exit -1;
+	fi
+
+	mv qcustomplot-source qcp
+}
+# -----------------------------------------------------------------------------
+
+
+cd ext
+
+echo -e "\n--------------------------------------------------------------------------------"
+echo -e "Removing old libs...\n"
+clean_dirs
+clean_files
+echo -e "--------------------------------------------------------------------------------\n"
+
+echo -e "\n--------------------------------------------------------------------------------"
+echo -e "Installing external tlibs library...\n"
+dl_tlibs
+echo -e "--------------------------------------------------------------------------------\n"
+
+echo -e "\n--------------------------------------------------------------------------------"
+echo -e "Installing external qcustomplot library...\n"
+dl_qcp
+echo -e "--------------------------------------------------------------------------------\n"
+
+echo -e "\n--------------------------------------------------------------------------------"
+echo -e "Removing temporary files...\n"
+clean_files
+echo -e "--------------------------------------------------------------------------------\n"

tools/.dir

+Directory containing individual sub-programs.

tools/in20/main.cpp

+/**
+ * in20 data analysis tool
+ * @author Tobias Weber
+ * @date 6-Apr-2018
+ * @license see 'LICENSE' file
+ */
+
+#include <locale>
+#include <iostream>
+#include <QApplication>
+
+#include "mainwnd.h"
+
+
+int main(int argc, char** argv)
+{
+	std::ios_base::sync_with_stdio(false);
+
+	setlocale(LC_ALL, "C");
+	std::locale::global(std::locale("C"));
+	QLocale::setDefault(QLocale::C);
+
+
+	QApplication app(argc, argv);
+	QSettings sett("tobis_stuff", "in20tool");
+
+	MainWnd wnd(&sett);
+	wnd.show();
+
+	return app.exec();
+}

tools/in20/mainwnd.cpp

+/**
+ * in20 data analysis tool
+ * @author Tobias Weber
+ * @date 6-Apr-2018
+ * @license see 'LICENSE' file
+ */
+
+#include "mainwnd.h"
+
+
+MainWnd::MainWnd(QSettings* pSettings)
+	: QMainWindow(), m_pSettings(pSettings), 
+		m_pMenu(new QMenuBar(this)), m_pStatus(new QStatusBar(this))
+{
+	this->setWindowTitle("IN20 Tool");
+	this->resize(800, 600);
+
+	this->setMenuBar(m_pMenu);
+	this->setStatusBar(m_pStatus);
+
+	if(m_pSettings)
+	{
+		// restore window state
+		if(m_pSettings->contains("mainwnd/geo"))
+			this->restoreGeometry(m_pSettings->value("mainwnd/geo").toByteArray());
+		if(m_pSettings->contains("mainwnd/state"))
+			this->restoreState(m_pSettings->value("mainwnd/state").toByteArray());
+	}
+}
+
+
+MainWnd::~MainWnd()
+{
+}
+
+
+void MainWnd::closeEvent(QCloseEvent *pEvt)
+{
+	if(m_pSettings)
+	{
+		// save window state
+		m_pSettings->setValue("mainwnd/geo", this->saveGeometry());
+		m_pSettings->setValue("mainwnd/state", this->saveState());
+	}
+
+	QMainWindow::closeEvent(pEvt);
+}

tools/in20/mainwnd.h

+/**
+ * in20 data analysis tool
+ * @author Tobias Weber
+ * @date 6-Apr-2018
+ * @license see 'LICENSE' file
+ */
+
+#ifndef __IN20MAINWND_H__
+#define __IN20MAINWND_H__
+
+#include <QMainWindow>
+#include <QSettings>
+#include <QMenuBar>
+#include <QStatusBar>
+
+
+class MainWnd : public QMainWindow
+{
+private:
+	QSettings *m_pSettings = nullptr;
+	QMenuBar *m_pMenu = nullptr;
+	QStatusBar *m_pStatus = nullptr;
+
+private:
+	virtual void closeEvent(QCloseEvent *pEvt) override;
+
+public:
+	MainWnd(QSettings* pSettings = nullptr);
+	virtual ~MainWnd();
+};
+
+#endif