diff --git a/.appveyor.yml b/.appveyor.yml
index 96cc627d..a14a9800 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,4 +1,4 @@
-version: 6.3.{build}
+version: 7.0.{build}
 configuration: Release
 platform: Any CPU
 environment:
diff --git a/gpxsee.pro b/gpxsee.pro
index ccf25897..fe9c90d6 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -1,5 +1,5 @@
 TARGET = GPXSee
-VERSION = 6.3
+VERSION = 7.0
 
 QT += core \
     gui \
@@ -13,7 +13,7 @@ lessThan(QT_MAJOR_VERSION, 5) {QT += opengl}
 equals(QT_MAJOR_VERSION, 5) : lessThan(QT_MINOR_VERSION, 4) {QT += opengl}
 
 INCLUDEPATH += ./src
-HEADERS += src/config.h \
+HEADERS += src/common/config.h \
     src/common/staticassert.h \
     src/common/coordinates.h \
     src/common/range.h \
@@ -22,6 +22,8 @@ HEADERS += src/config.h \
     src/common/util.h \
     src/common/rtree.h \
     src/common/kv.h \
+    src/common/greatcircle.h \
+    src/common/programpaths.h \
     src/GUI/app.h \
     src/GUI/icons.h \
     src/GUI/gui.h \
@@ -74,6 +76,7 @@ HEADERS += src/config.h \
     src/GUI/cpuarch.h \
     src/GUI/searchpointer.h \
     src/GUI/mapview.h \
+    src/GUI/font.h \
     src/map/projection.h \
     src/map/ellipsoid.h \
     src/map/datum.h \
@@ -114,6 +117,15 @@ HEADERS += src/config.h \
     src/map/crs.h \
     src/map/coordinatesystem.h \
     src/map/pointd.h \
+    src/map/rectd.h \
+    src/map/geocentric.h \
+    src/map/mercator.h \
+    src/map/jnxmap.h \
+    src/map/krovak.h \
+    src/map/geotiffmap.h \
+    src/map/image.h \
+    src/map/mbtilesmap.h \
+    src/map/osm.h \
     src/data/graph.h \
     src/data/poi.h \
     src/data/waypoint.h \
@@ -133,23 +145,15 @@ HEADERS += src/config.h \
     src/data/igcparser.h \
     src/data/nmeaparser.h \
     src/data/oziparsers.h \
-    src/map/rectd.h \
-    src/map/geocentric.h \
-    src/map/mercator.h \
-    src/map/jnxmap.h \
-    src/map/krovak.h \
     src/data/locparser.h \
-    src/data/slfparser.h \
-    src/map/geotiffmap.h \
-    src/map/image.h \
-    src/common/greatcircle.h \
-    src/map/mbtilesmap.h \
-    src/map/osm.h
+    src/data/slfparser.h
 SOURCES += src/main.cpp \
     src/common/coordinates.cpp \
     src/common/rectc.cpp \
     src/common/range.cpp \
     src/common/util.cpp \
+    src/common/greatcircle.cpp \
+    src/common/programpaths.cpp \
     src/GUI/app.cpp \
     src/GUI/gui.cpp \
     src/GUI/axisitem.cpp \
@@ -227,6 +231,15 @@ SOURCES += src/main.cpp \
     src/map/wms.cpp \
     src/map/crs.cpp \
     src/map/coordinatesystem.cpp \
+    src/map/geocentric.cpp \
+    src/map/mercator.cpp \
+    src/map/jnxmap.cpp \
+    src/map/krovak.cpp \
+    src/map/map.cpp \
+    src/map/geotiffmap.cpp \
+    src/map/image.cpp \
+    src/map/mbtilesmap.cpp \
+    src/map/osm.cpp \
     src/data/data.cpp \
     src/data/poi.cpp \
     src/data/track.cpp \
@@ -240,19 +253,8 @@ SOURCES += src/main.cpp \
     src/data/igcparser.cpp \
     src/data/nmeaparser.cpp \
     src/data/oziparsers.cpp \
-    src/map/geocentric.cpp \
-    src/map/mercator.cpp \
-    src/map/jnxmap.cpp \
-    src/map/krovak.cpp \
-    src/map/map.cpp \
     src/data/locparser.cpp \
-    src/data/slfparser.cpp \
-    src/map/geotiffmap.cpp \
-    src/map/image.cpp \
-    src/common/greatcircle.cpp \
-    src/map/mbtilesmap.cpp \
-    src/map/osm.cpp
-
+    src/data/slfparser.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_en.ts \
     lang/gpxsee_cs.ts \
diff --git a/pkg/gpxsee.nsi b/pkg/gpxsee.nsi
index da648256..562376d5 100644
--- a/pkg/gpxsee.nsi
+++ b/pkg/gpxsee.nsi
@@ -7,7 +7,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "6.3"
+!define VERSION "7.0"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}.exe"
diff --git a/pkg/gpxsee64.nsi b/pkg/gpxsee64.nsi
index 18c5d640..58ed5be0 100644
--- a/pkg/gpxsee64.nsi
+++ b/pkg/gpxsee64.nsi
@@ -7,7 +7,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "6.3"
+!define VERSION "7.0"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"
diff --git a/src/GUI/app.cpp b/src/GUI/app.cpp
index 9d67a3db..d9573dad 100644
--- a/src/GUI/app.cpp
+++ b/src/GUI/app.cpp
@@ -6,13 +6,14 @@
 #include <QNetworkAccessManager>
 #include <QLibraryInfo>
 #include <QSettings>
+#include "common/programpaths.h"
+#include "common/config.h"
 #include "map/downloader.h"
 #include "map/ellipsoid.h"
 #include "map/gcs.h"
 #include "map/pcs.h"
 #include "opengl.h"
 #include "gui.h"
-#include "config.h"
 #include "settings.h"
 #include "app.h"
 
@@ -20,13 +21,21 @@
 App::App(int &argc, char **argv) : QApplication(argc, argv),
   _argc(argc), _argv(argv)
 {
+#if defined(Q_OS_WIN32) || defined(Q_OS_MAC)
+	setApplicationName(APP_NAME);
+#else
+	setApplicationName(QString(APP_NAME).toLower());
+#endif
+	setApplicationVersion(APP_VERSION);
+
 	QTranslator *gpxsee = new QTranslator(this);
-	gpxsee->load(QLocale::system(), "gpxsee", "_", TRANSLATIONS_DIR);
+	gpxsee->load(QLocale::system(), "gpxsee", "_",
+	  ProgramPaths::translationsDir());
 	installTranslator(gpxsee);
 
 	QTranslator *qt = new QTranslator(this);
 #if defined(Q_OS_WIN32) || defined(Q_OS_MAC)
-	qt->load(QLocale::system(), "qt", "_", TRANSLATIONS_DIR);
+	qt->load(QLocale::system(), "qt", "_", ProgramPaths::translationsDir());
 #else // Q_OS_WIN32 || Q_OS_MAC
 	qt->load(QLocale::system(), "qt", "_", QLibraryInfo::location(
 	  QLibraryInfo::TranslationsPath));
@@ -65,14 +74,15 @@ App::~App()
 	delete _gui;
 }
 
-void App::run()
+int App::run()
 {
 	_gui->show();
 
-	for (int i = 1; i < _argc; i++)
-		_gui->openFile(QString::fromLocal8Bit(_argv[i]));
+	QStringList args(arguments());
+	for (int i = 1; i < args.count(); i++)
+		_gui->openFile(args.at(i));
 
-	exec();
+	return exec();
 }
 
 bool App::event(QEvent *event)
@@ -87,41 +97,27 @@ bool App::event(QEvent *event)
 
 void App::loadDatums()
 {
-	QString ef, df;
+	QString ellipsoidsFile(ProgramPaths::ellipsoidsFile());
+	QString gcsFile(ProgramPaths::gcsFile());
 
-	if (QFile::exists(USER_ELLIPSOID_FILE))
-		ef = USER_ELLIPSOID_FILE;
-	else if (QFile::exists(GLOBAL_ELLIPSOID_FILE))
-		ef = GLOBAL_ELLIPSOID_FILE;
-	else
+	if (ellipsoidsFile.isNull())
 		qWarning("No ellipsoids file found.");
+	if (gcsFile.isNull())
+		qWarning("No GCS file found.");
 
-	if (QFile::exists(USER_GCS_FILE))
-		df = USER_GCS_FILE;
-	else if (QFile::exists(GLOBAL_GCS_FILE))
-		df = GLOBAL_GCS_FILE;
-	else
-		qWarning("No datums file found.");
-
-	if (!ef.isNull() && !df.isNull()) {
-		Ellipsoid::loadList(ef);
-		GCS::loadList(df);
+	if (!ellipsoidsFile.isNull() && !gcsFile.isNull()) {
+		Ellipsoid::loadList(ellipsoidsFile);
+		GCS::loadList(gcsFile);
 	} else
 		qWarning("Maps based on a datum different from WGS84 won't work.");
 }
 
 void App::loadPCSs()
 {
-	QString file;
+	QString pcsFile(ProgramPaths::pcsFile());
 
-	if (QFile::exists(USER_PCS_FILE))
-		file = USER_PCS_FILE;
-	else if (QFile::exists(GLOBAL_PCS_FILE))
-		file = GLOBAL_PCS_FILE;
-	else {
+	if (pcsFile.isNull())
 		qWarning("No PCS file found.");
-		return;
-	}
-
-	PCS::loadList(file);
+	else
+		PCS::loadList(pcsFile);
 }
diff --git a/src/GUI/app.h b/src/GUI/app.h
index 9166ff73..52e73a34 100644
--- a/src/GUI/app.h
+++ b/src/GUI/app.h
@@ -12,7 +12,7 @@ class App : QApplication
 public:
 	App(int &argc, char **argv);
 	~App();
-	void run();
+	int run();
 
 protected:
 	bool event(QEvent *event);
diff --git a/src/GUI/axisitem.cpp b/src/GUI/axisitem.cpp
index 4e4ec8a7..49d56409 100644
--- a/src/GUI/axisitem.cpp
+++ b/src/GUI/axisitem.cpp
@@ -1,7 +1,7 @@
 #include <cmath>
 #include <QPainter>
 #include "common/util.h"
-#include "config.h"
+#include "font.h"
 #include "axisitem.h"
 
 
diff --git a/src/GUI/elevationgraph.cpp b/src/GUI/elevationgraph.cpp
index e377dee4..678d4059 100644
--- a/src/GUI/elevationgraph.cpp
+++ b/src/GUI/elevationgraph.cpp
@@ -1,7 +1,6 @@
 #include <cmath>
 #include <QLocale>
 #include "data/data.h"
-#include "config.h"
 #include "tooltip.h"
 #include "elevationgraphitem.h"
 #include "elevationgraph.h"
diff --git a/src/GUI/font.h b/src/GUI/font.h
new file mode 100644
index 00000000..702ee598
--- /dev/null
+++ b/src/GUI/font.h
@@ -0,0 +1,7 @@
+#ifndef FONT_H
+#define FONT_H
+
+#define FONT_FAMILY     "Arial"
+#define FONT_SIZE       12 // px
+
+#endif // FONT_H
diff --git a/src/GUI/graphview.cpp b/src/GUI/graphview.cpp
index c2c468c2..00e85e96 100644
--- a/src/GUI/graphview.cpp
+++ b/src/GUI/graphview.cpp
@@ -8,7 +8,6 @@
 #include <QLocale>
 #include "data/graph.h"
 #include "opengl.h"
-#include "config.h"
 #include "axisitem.h"
 #include "slideritem.h"
 #include "sliderinfoitem.h"
diff --git a/src/GUI/gui.cpp b/src/GUI/gui.cpp
index 38501837..5865e5f6 100644
--- a/src/GUI/gui.cpp
+++ b/src/GUI/gui.cpp
@@ -1,4 +1,4 @@
-#include "config.h"
+#include "common/config.h"
 #include <QApplication>
 #include <QSplitter>
 #include <QVBoxLayout>
@@ -28,6 +28,7 @@
 #include <QScreen>
 #endif // ENABLE_HIDPI
 #include <QStyle>
+#include "common/programpaths.h"
 #include "data/data.h"
 #include "data/poi.h"
 #include "map/maplist.h"
@@ -108,14 +109,9 @@ GUI::GUI()
 void GUI::loadMaps()
 {
 	_ml = new MapList(this);
-	QString dir;
+	QString mapDir(ProgramPaths::mapDir());
 
-	if (QFile::exists(USER_MAP_DIR))
-		dir = USER_MAP_DIR;
-	else if (QFile::exists(GLOBAL_MAP_DIR))
-		dir = GLOBAL_MAP_DIR;
-
-	if (!dir.isNull() && !_ml->loadDir(dir))
+	if (!mapDir.isNull() && !_ml->loadDir(mapDir))
 		qWarning("%s", qPrintable(_ml->errorString()));
 
 	_map = new EmptyMap(this);
@@ -124,14 +120,9 @@ void GUI::loadMaps()
 void GUI::loadPOIs()
 {
 	_poi = new POI(this);
-	QString dir;
+	QString poiDir(ProgramPaths::poiDir());
 
-	if (QFile::exists(USER_POI_DIR))
-		dir = USER_POI_DIR;
-	else if (QFile::exists(GLOBAL_POI_DIR))
-		dir = GLOBAL_POI_DIR;
-
-	if (!dir.isNull() && !_poi->loadDir(dir))
+	if (!poiDir.isNull() && !_poi->loadDir(poiDir))
 		qWarning("%s", qPrintable(_poi->errorString()));
 }
 
@@ -702,19 +693,13 @@ void GUI::paths()
 	msgBox.setWindowTitle(tr("Paths"));
 	msgBox.setText("<h3>" + tr("Paths") + "</h3>");
 	msgBox.setInformativeText(
-	  "<style>td {white-space: pre; padding-right: 1em;}</style><h4>"
-	  + tr("Global") + "</h4><table><tr><td>" + tr("Map directory:")
-	  + "</td><td><code>" + QDir::cleanPath(GLOBAL_MAP_DIR)
-	  + "</code></td></tr><tr><td>" + tr("POI directory:") + "</td><td><code>"
-	  + QDir::cleanPath(GLOBAL_POI_DIR) + "</code></td></tr><tr><td>"
+	  "<style>td {white-space: pre; padding-right: 1em;}</style><table><tr><td>"
+	  + tr("Map directory:") + "</td><td><code>"
+	  + QDir::cleanPath(ProgramPaths::mapDir(true)) + "</code></td></tr><tr><td>"
+	  + tr("POI directory:") + "</td><td><code>"
+	  + QDir::cleanPath(ProgramPaths::poiDir(true)) + "</code></td></tr><tr><td>"
 	  + tr("GCS/PCS directory:") + "</td><td><code>"
-	  + QDir::cleanPath(GLOBAL_CSV_DIR) + "</code></td></tr></table>"
-	  + "<h4>" + tr("User-specific") + "</h4><table><tr><td>"
-	  + tr("Map directory:") + "</td><td><code>" + QDir::cleanPath(USER_MAP_DIR)
-	  + "</code></td></tr><tr><td>" + tr("POI directory:") + "</td><td><code>"
-	  + QDir::cleanPath(USER_POI_DIR) + "</code></td></tr><tr><td>"
-	  + tr("GCS/PCS directory:") + "</td><td><code>"
-	  + QDir::cleanPath(USER_CSV_DIR) + "</code></td></tr></table>"
+	  + QDir::cleanPath(ProgramPaths::csvDir(true)) + "</code></td></tr></table>"
 	);
 
 	msgBox.exec();
@@ -1615,7 +1600,7 @@ void GUI::dropEvent(QDropEvent *event)
 
 void GUI::writeSettings()
 {
-	QSettings settings(APP_NAME, APP_NAME);
+	QSettings settings(qApp->applicationName(), qApp->applicationName());
 	settings.clear();
 
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
@@ -1810,7 +1795,7 @@ void GUI::writeSettings()
 void GUI::readSettings()
 {
 	int value;
-	QSettings settings(APP_NAME, APP_NAME);
+	QSettings settings(qApp->applicationName(), qApp->applicationName());
 
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
 	resize(settings.value(WINDOW_SIZE_SETTING, WINDOW_SIZE_DEFAULT).toSize());
diff --git a/src/GUI/infoitem.cpp b/src/GUI/infoitem.cpp
index ed8e3547..a1afefb1 100644
--- a/src/GUI/infoitem.cpp
+++ b/src/GUI/infoitem.cpp
@@ -1,6 +1,6 @@
 #include <QFont>
 #include <QPainter>
-#include "config.h"
+#include "font.h"
 #include "infoitem.h"
 
 #define PADDING     10
diff --git a/src/GUI/mapview.h b/src/GUI/mapview.h
index 675b14e3..14fbcc1b 100644
--- a/src/GUI/mapview.h
+++ b/src/GUI/mapview.h
@@ -6,12 +6,12 @@
 #include <QHash>
 #include <QList>
 #include "common/rectc.h"
+#include "common/config.h"
 #include "data/waypoint.h"
 #include "searchpointer.h"
 #include "units.h"
 #include "format.h"
 #include "palette.h"
-#include "config.h"
 
 class Data;
 class POI;
diff --git a/src/GUI/optionsdialog.h b/src/GUI/optionsdialog.h
index 242baab9..9c931e30 100644
--- a/src/GUI/optionsdialog.h
+++ b/src/GUI/optionsdialog.h
@@ -2,10 +2,9 @@
 #define OPTIONSDIALOG_H
 
 #include <QDialog>
+#include "common/config.h"
 #include "palette.h"
 #include "units.h"
-#include "config.h"
-
 
 class ColorBox;
 class StyleComboBox;
diff --git a/src/GUI/scaleitem.cpp b/src/GUI/scaleitem.cpp
index 6e375ef6..17dd2d23 100644
--- a/src/GUI/scaleitem.cpp
+++ b/src/GUI/scaleitem.cpp
@@ -1,7 +1,8 @@
 #include <cmath>
+#include <QApplication>
 #include <QPainter>
 #include "common/util.h"
-#include "config.h"
+#include "font.h"
 #include "scaleitem.h"
 
 
diff --git a/src/GUI/sliderinfoitem.cpp b/src/GUI/sliderinfoitem.cpp
index e0c770ad..53f19d4c 100644
--- a/src/GUI/sliderinfoitem.cpp
+++ b/src/GUI/sliderinfoitem.cpp
@@ -1,5 +1,5 @@
 #include <QPainter>
-#include "config.h"
+#include "font.h"
 #include "sliderinfoitem.h"
 
 
diff --git a/src/GUI/speedgraph.cpp b/src/GUI/speedgraph.cpp
index 30dc4550..e6eea358 100644
--- a/src/GUI/speedgraph.cpp
+++ b/src/GUI/speedgraph.cpp
@@ -1,6 +1,5 @@
 #include <QLocale>
 #include "data/data.h"
-#include "config.h"
 #include "tooltip.h"
 #include "format.h"
 #include "speedgraphitem.h"
diff --git a/src/GUI/trackinfo.cpp b/src/GUI/trackinfo.cpp
index 6a50cf57..c412ce28 100644
--- a/src/GUI/trackinfo.cpp
+++ b/src/GUI/trackinfo.cpp
@@ -1,6 +1,5 @@
 #include <QPaintEngine>
 #include <QPaintDevice>
-#include "config.h"
 #include "infoitem.h"
 #include "trackinfo.h"
 
diff --git a/src/GUI/waypointitem.cpp b/src/GUI/waypointitem.cpp
index 811e6754..65b218ee 100644
--- a/src/GUI/waypointitem.cpp
+++ b/src/GUI/waypointitem.cpp
@@ -1,6 +1,6 @@
 #include <QApplication>
 #include <QPainter>
-#include "config.h"
+#include "font.h"
 #include "tooltip.h"
 #include "waypointitem.h"
 
diff --git a/src/common/config.h b/src/common/config.h
new file mode 100644
index 00000000..b7bb0bb8
--- /dev/null
+++ b/src/common/config.h
@@ -0,0 +1,17 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include <QtGlobal>
+
+#define APP_NAME        "GPXSee"
+#define APP_HOMEPAGE    "http://www.gpxsee.org"
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 1)
+#define ENABLE_HTTP2
+#endif // QT >= 5.10.1
+
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+#define ENABLE_HIDPI
+#endif // QT >= 5.6
+
+#endif /* CONFIG_H */
diff --git a/src/common/programpaths.cpp b/src/common/programpaths.cpp
new file mode 100644
index 00000000..36825483
--- /dev/null
+++ b/src/common/programpaths.cpp
@@ -0,0 +1,165 @@
+#include <QtGlobal>
+#include <QDir>
+#include "programpaths.h"
+
+
+#define MAP_DIR          "maps"
+#define POI_DIR          "POI"
+#define CSV_DIR          "csv"
+#define TILES_DIR        "tiles"
+#define TRANSLATIONS_DIR "translations"
+#define ELLIPSOID_FILE   "ellipsoids.csv"
+#define GCS_FILE         "gcs.csv"
+#define PCS_FILE         "pcs.csv"
+
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+
+#include <QApplication>
+
+#if defined(Q_OS_WIN32)
+#define USER_DIR        QDir::homePath() + QString("/AppData/Roaming/") \
+						  + qApp->applicationName()
+#define GLOBAL_DIR      QApplication::applicationDirPath()
+#elif defined(Q_OS_MAC)
+#define USER_DIR        QDir::homePath() \
+						  + QString("/Library/Application Support/") \
+						  + qApp->applicationName()
+#define GLOBAL_DIR      QApplication::applicationDirPath() \
+						  + QString("/../Resources")
+#else
+#define USER_DIR        QDir::homePath() + QString("/.local/share/") \
+						  + qApp->applicationName()
+#define GLOBAL_DIR      QString("/usr/share/") + qApp->applicationName()
+#endif
+
+static QString dir(const QString &dirName, bool writable = false)
+{
+	QDir userDir(QDir(USER_DIR).filePath(dirName));
+
+	if (writable || userDir.exists())
+		return userDir.absolutePath();
+	else {
+		QDir globalDir(QDir(GLOBAL_DIR).filePath(dirName));
+
+		if (globalDir.exists())
+			return globalDir.absolutePath();
+		else
+			return QString();
+	}
+}
+
+static QString file(const QString &path, const QString &fileName)
+{
+	if (path.isNull())
+		return QString();
+
+	QFileInfo fi(QDir(path).filePath(fileName));
+	return fi.exists() ? fi.absoluteFilePath() : QString();
+}
+
+QString ProgramPaths::mapDir(bool writable)
+{
+	return dir(MAP_DIR, writable);
+}
+
+QString ProgramPaths::poiDir(bool writable)
+{
+	return dir(POI_DIR, writable);
+}
+
+QString ProgramPaths::csvDir(bool writable)
+{
+	return dir(CSV_DIR, writable);
+}
+
+QString ProgramPaths::tilesDir()
+{
+	return dir(TILES_DIR);
+}
+
+QString ProgramPaths::translationsDir()
+{
+	return dir(TRANSLATIONS_DIR);
+}
+
+QString ProgramPaths::ellipsoidsFile()
+{
+	return file(dir(CSV_DIR),  ELLIPSOID_FILE);
+}
+
+QString ProgramPaths::gcsFile()
+{
+	return file(dir(CSV_DIR), GCS_FILE);
+}
+
+QString ProgramPaths::pcsFile()
+{
+	return file(dir(CSV_DIR), PCS_FILE);
+}
+
+#else // QT_VERSION < 5
+
+#include <QStandardPaths>
+
+QString ProgramPaths::mapDir(bool writable)
+{
+	if (writable)
+		return QDir(QStandardPaths::writableLocation(
+		  QStandardPaths::AppDataLocation)).filePath(MAP_DIR);
+	else
+		return QString(QStandardPaths::locate(QStandardPaths::AppDataLocation,
+		  MAP_DIR, QStandardPaths::LocateDirectory));
+}
+
+QString ProgramPaths::poiDir(bool writable)
+{
+	if (writable)
+		return QDir(QStandardPaths::writableLocation(
+		  QStandardPaths::AppDataLocation)).filePath(POI_DIR);
+	else
+		return QString(QStandardPaths::locate(QStandardPaths::AppDataLocation,
+		  POI_DIR, QStandardPaths::LocateDirectory));
+}
+
+QString ProgramPaths::csvDir(bool writable)
+{
+	if (writable)
+		return QDir(QStandardPaths::writableLocation(
+		  QStandardPaths::AppDataLocation)).filePath(CSV_DIR);
+	else
+		return QString(QStandardPaths::locate(QStandardPaths::AppDataLocation,
+		  CSV_DIR, QStandardPaths::LocateDirectory));
+}
+
+QString ProgramPaths::tilesDir()
+{
+	return QString(QStandardPaths::locate(QStandardPaths::AppLocalDataLocation,
+	  TILES_DIR, QStandardPaths::LocateDirectory));
+}
+
+QString ProgramPaths::translationsDir()
+{
+	return QString(QStandardPaths::locate(QStandardPaths::AppDataLocation,
+	  TRANSLATIONS_DIR, QStandardPaths::LocateDirectory));
+}
+
+QString ProgramPaths::ellipsoidsFile()
+{
+	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
+	  CSV_DIR "/" ELLIPSOID_FILE, QStandardPaths::LocateFile);
+}
+
+QString ProgramPaths::gcsFile()
+{
+	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
+	  CSV_DIR "/" GCS_FILE, QStandardPaths::LocateFile);
+}
+
+QString ProgramPaths::pcsFile()
+{
+	return QStandardPaths::locate(QStandardPaths::AppDataLocation,
+	  CSV_DIR "/" PCS_FILE, QStandardPaths::LocateFile);
+}
+
+#endif // QT_VERSION < 5
diff --git a/src/common/programpaths.h b/src/common/programpaths.h
new file mode 100644
index 00000000..c8c9b35c
--- /dev/null
+++ b/src/common/programpaths.h
@@ -0,0 +1,18 @@
+#ifndef PROGRAMPATHS_H
+#define PROGRAMPATHS_H
+
+#include <QString>
+
+namespace ProgramPaths
+{
+	QString mapDir(bool writable = false);
+	QString poiDir(bool writable = false);
+	QString csvDir(bool writable = false);
+	QString tilesDir();
+	QString translationsDir();
+	QString ellipsoidsFile();
+	QString gcsFile();
+	QString pcsFile();
+}
+
+#endif // PROGRAMPATHS_H
diff --git a/src/config.h b/src/config.h
deleted file mode 100644
index 3f078f44..00000000
--- a/src/config.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-#include <QtGlobal>
-#include <QDir>
-#include <QApplication>
-#include <QString>
-
-#define APP_NAME        "GPXSee"
-#define APP_HOMEPAGE    "http://www.gpxsee.org"
-
-#define FONT_FAMILY     "Arial"
-#define FONT_SIZE       12 // px
-
-#define MAP_DIR         QString("maps")
-#define POI_DIR         QString("POI")
-#define CSV_DIR         QString("csv")
-#define ELLIPSOID_FILE  QString("ellipsoids.csv")
-#define GCS_FILE        QString("gcs.csv")
-#define PCS_FILE        QString("pcs.csv")
-
-#if defined(Q_OS_WIN32)
-#define USER_DIR        QDir::homePath() + QString("/GPXSee")
-#define GLOBAL_DIR      QApplication::applicationDirPath()
-#elif defined(Q_OS_MAC)
-#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
-#define GLOBAL_DIR      QApplication::applicationDirPath() \
-                          + QString("/../Resources")
-#else
-#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
-#define GLOBAL_DIR      QString("/usr/share/gpxsee")
-#endif
-
-#define USER_CSV_DIR           USER_DIR + QString("/") + CSV_DIR
-#define USER_ELLIPSOID_FILE    USER_CSV_DIR + QString("/") + ELLIPSOID_FILE
-#define USER_GCS_FILE          USER_CSV_DIR + QString("/") + GCS_FILE
-#define USER_PCS_FILE          USER_CSV_DIR + QString("/") + PCS_FILE
-#define USER_MAP_DIR           USER_DIR + QString("/") + MAP_DIR
-#define USER_POI_DIR           USER_DIR + QString("/") + POI_DIR
-#define GLOBAL_CSV_DIR         GLOBAL_DIR + QString("/") + CSV_DIR
-#define GLOBAL_ELLIPSOID_FILE  GLOBAL_CSV_DIR + QString("/") + ELLIPSOID_FILE
-#define GLOBAL_GCS_FILE        GLOBAL_CSV_DIR + QString("/") + GCS_FILE
-#define GLOBAL_PCS_FILE        GLOBAL_CSV_DIR + QString("/") + PCS_FILE
-#define GLOBAL_MAP_DIR         GLOBAL_DIR + QString("/") + MAP_DIR
-#define GLOBAL_POI_DIR         GLOBAL_DIR + QString("/") + POI_DIR
-#define TILES_DIR              USER_DIR + QString("/tiles")
-#define TRANSLATIONS_DIR       GLOBAL_DIR + QString("/translations")
-
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 1)
-#define ENABLE_HTTP2
-#endif // QT >= 5.10.1
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
-#define ENABLE_HIDPI
-#endif // QT >= 5.6
-
-#endif /* CONFIG_H */
diff --git a/src/main.cpp b/src/main.cpp
index 45cd957f..14878bac 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
+#include "common/config.h"
 #include "GUI/app.h"
-#include "config.h"
 
 int main(int argc, char *argv[])
 {
@@ -9,7 +9,5 @@ int main(int argc, char *argv[])
 #endif // ENABLE_HIDPI
 
 	App app(argc, argv);
-	app.run();
-
-	return 0;
+	return app.run();
 }
diff --git a/src/map/downloader.cpp b/src/map/downloader.cpp
index 21964715..ebf4834d 100644
--- a/src/map/downloader.cpp
+++ b/src/map/downloader.cpp
@@ -2,6 +2,8 @@
 #include <QFileInfo>
 #include <QNetworkRequest>
 #include <QBasicTimer>
+#include <QDir>
+#include <QTimerEvent>
 #include "downloader.h"
 
 
diff --git a/src/map/downloader.h b/src/map/downloader.h
index 29d64ccf..3b696e01 100644
--- a/src/map/downloader.h
+++ b/src/map/downloader.h
@@ -7,7 +7,7 @@
 #include <QList>
 #include <QSet>
 #include <QHash>
-#include "config.h"
+#include "common/config.h"
 
 
 class Download
diff --git a/src/map/geotiffmap.cpp b/src/map/geotiffmap.cpp
index bc756eb6..34a1d40f 100644
--- a/src/map/geotiffmap.cpp
+++ b/src/map/geotiffmap.cpp
@@ -1,7 +1,7 @@
 #include <QFileInfo>
 #include <QPainter>
 #include <QImageReader>
-#include "config.h"
+#include "common/config.h"
 #include "geotiff.h"
 #include "image.h"
 #include "geotiffmap.h"
diff --git a/src/map/image.cpp b/src/map/image.cpp
index 72a086db..979a4c63 100644
--- a/src/map/image.cpp
+++ b/src/map/image.cpp
@@ -1,6 +1,6 @@
 #include <QPainter>
 #include <QPixmapCache>
-#include "config.h"
+#include "common/config.h"
 #include "image.h"
 
 
diff --git a/src/map/jnxmap.cpp b/src/map/jnxmap.cpp
index 52aac1cc..7970cca1 100644
--- a/src/map/jnxmap.cpp
+++ b/src/map/jnxmap.cpp
@@ -2,10 +2,10 @@
 #include <QPainter>
 #include <QFileInfo>
 #include <QPixmapCache>
+#include "common/config.h"
 #include "rectd.h"
 #include "gcs.h"
 #include "pcs.h"
-#include "config.h"
 #include "jnxmap.h"
 
 
diff --git a/src/map/mapsource.cpp b/src/map/mapsource.cpp
index 04901794..8fbad6d4 100644
--- a/src/map/mapsource.cpp
+++ b/src/map/mapsource.cpp
@@ -1,6 +1,6 @@
 #include <QFile>
 #include <QXmlStreamReader>
-#include "config.h"
+#include "common/config.h"
 #include "onlinemap.h"
 #include "wmtsmap.h"
 #include "wmsmap.h"
diff --git a/src/map/mbtilesmap.cpp b/src/map/mbtilesmap.cpp
index 55a60e53..a9e7e430 100644
--- a/src/map/mbtilesmap.cpp
+++ b/src/map/mbtilesmap.cpp
@@ -5,8 +5,8 @@
 #include <QPainter>
 #include <QPixmapCache>
 #include "common/rectc.h"
+#include "common/config.h"
 #include "osm.h"
-#include "config.h"
 #include "mbtilesmap.h"
 
 
diff --git a/src/map/onlinemap.cpp b/src/map/onlinemap.cpp
index db84de39..77b92059 100644
--- a/src/map/onlinemap.cpp
+++ b/src/map/onlinemap.cpp
@@ -1,9 +1,10 @@
 #include <QtCore>
 #include <QPainter>
+#include <QDir>
 #include "common/rectc.h"
+#include "common/programpaths.h"
 #include "downloader.h"
 #include "osm.h"
-#include "config.h"
 #include "onlinemap.h"
 
 
@@ -16,7 +17,8 @@ OnlineMap::OnlineMap(const QString &name, const QString &url,
 	_zoom(_zooms.max()), _deviceRatio(1.0), _tileRatio(tileRatio),
 	_invertY(invertY)
 {
-	_tileLoader = new TileLoader(TILES_DIR + "/" + _name, this);
+	_tileLoader = new TileLoader(QDir(ProgramPaths::tilesDir()).filePath(_name),
+	  this);
 	_tileLoader->setUrl(url);
 	_tileLoader->setAuthorization(authorization);
 	connect(_tileLoader, SIGNAL(finished()), this, SIGNAL(loaded()));
diff --git a/src/map/ozimap.cpp b/src/map/ozimap.cpp
index bf6e8e3b..7f5c5ac4 100644
--- a/src/map/ozimap.cpp
+++ b/src/map/ozimap.cpp
@@ -7,11 +7,11 @@
 #include <QPixmapCache>
 #include "common/coordinates.h"
 #include "common/rectc.h"
+#include "common/config.h"
 #include "tar.h"
 #include "ozf.h"
 #include "image.h"
 #include "mapfile.h"
-#include "config.h"
 #include "ozimap.h"
 
 
diff --git a/src/map/wmsmap.cpp b/src/map/wmsmap.cpp
index 12fc3f5d..73bf2b87 100644
--- a/src/map/wmsmap.cpp
+++ b/src/map/wmsmap.cpp
@@ -3,7 +3,7 @@
 #include <QPainter>
 #include "common/wgs84.h"
 #include "common/rectc.h"
-#include "config.h"
+#include "common/programpaths.h"
 #include "downloader.h"
 #include "tileloader.h"
 #include "wmsmap.h"
@@ -42,7 +42,7 @@ QString WMSMap::tileUrl(const QString &version) const
 
 QString WMSMap::tilesDir() const
 {
-	return QString(TILES_DIR + "/" + _name);
+	return QString(QDir(ProgramPaths::tilesDir()).filePath(_name));
 }
 
 void WMSMap::computeZooms(const RangeF &scaleDenominator)
diff --git a/src/map/wmtsmap.cpp b/src/map/wmtsmap.cpp
index 05e9a7b3..5de61902 100644
--- a/src/map/wmtsmap.cpp
+++ b/src/map/wmtsmap.cpp
@@ -1,8 +1,9 @@
 #include <QtCore>
 #include <QPainter>
+#include <QDir>
 #include "common/rectc.h"
 #include "common/wgs84.h"
-#include "config.h"
+#include "common/programpaths.h"
 #include "transform.h"
 #include "tileloader.h"
 #include "wmts.h"
@@ -58,7 +59,7 @@ void WMTSMap::clearCache()
 
 QString WMTSMap::tilesDir() const
 {
-	return QString(TILES_DIR + "/" + _name);
+	return QString(QDir(ProgramPaths::tilesDir()).filePath(_name));
 }
 
 double WMTSMap::sd2res(double scaleDenominator) const