Added GPX file association

Installer files separation

Info.plist

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>CFBundleIconFile</key>
+	<string>gpxsee.icns</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>2.13</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleExecutable</key>
+	<string>GPXSee</string>
+	<key>CFBundleIdentifier</key>
+	<string>cz.wz.tumic.GPXSee</string>
+
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>gpx</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/gpx+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>gpx.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>GPS Exchange Format</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+	</array>
+
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.topografix.gpx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.topografix.com/GPX/1/1</string>
+			<key>UTTypeDescription</key>
+			<string>GPS Exchange Format</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>gpx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/gpx+xml</string>
+			</dict>
+		</dict>
+	</array>
+
+</dict>
+</plist>

README.md

@@ -2,12 +2,15 @@
 GPX viewer and analyzer.
 
 * User-definable map sources.
-* Track and elevation/speed graphs.
+* Track and elevation/speed/heart rate graphs.
 * Support for multiple tracks in one view.
 * Support for POI files.
 * Export to PDF.
+* Full-screen mode
 * Native GUI for Windows, Mac OS X and Linux.
 
+![GPXSee - Linux](https://a.fsdn.com/con/app/proj/gpxsee/screenshots/linux.png)
+
 ## Build
 ### Linux/OS X
 ```shell

build/env.bat

@@ -0,0 +1,6 @@
+CALL "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" 
+set PATH=C:\qt\qtbase\bin;%PATH%
+set PATH=C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin;%PATH%
+set INCLUDE=C:\Program Files\Microsoft SDKs\Windows\v7.1\Include;%INCLUDE%
+set LIB=C:\Program Files\Microsoft SDKs\Windows\v7.1\Lib;%LIB%
+set CL=/D_USING_V110_SDK71_

build/env64.bat

@@ -0,0 +1,6 @@
+CALL "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64 
+set PATH=C:\qt64\qtbase\bin;%PATH% 
+set PATH=C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin;%PATH%
+set INCLUDE=C:\Program Files\Microsoft SDKs\Windows\v7.1\Include;%INCLUDE%
+set LIB=C:\Program Files\Microsoft SDKs\Windows\v7.1\Lib\x64;%LIB%
+set CL=/D_USING_V110_SDK71_

gpxsee.pro

@@ -1,4 +1,5 @@
 TARGET = GPXSee
+VERSION = 2.13
 QT += core \
     gui \
     network
@@ -33,7 +34,12 @@ HEADERS += src/config.h \
     src/graphview.h \
     src/trackpoint.h \
     src/waypointitem.h \
-    src/palette.h
+    src/palette.h \
+    src/heartrategraph.h \
+    src/range.h \
+    src/cpuarch.h \
+    src/settings.h \
+    src/app.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/gpx.cpp \
@@ -57,8 +63,22 @@ SOURCES += src/main.cpp \
     src/track.cpp \
     src/graphview.cpp \
     src/waypointitem.cpp \
-    src/palette.cpp
+    src/palette.cpp \
+    src/heartrategraph.cpp \
+    src/range.cpp \
+    src/app.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts
-macx:ICON = icons/gpxsee.icns
+macx {
-win32:RC_FILE = gpxsee.rc
+    ICON = icons/gpxsee.icns
+    QMAKE_INFO_PLIST = Info.plist
+    APP_RESOURCES.files = icons/gpx.icns \
+        pkg/maps.txt
+    APP_RESOURCES.path = Contents/Resources
+    QMAKE_BUNDLE_DATA += APP_RESOURCES
+}
+win32 {
+    RC_ICONS = icons/gpxsee.ico \
+        icons/gpx.ico
+}
+DEFINES += APP_VERSION=\\\"$$VERSION\\\"

gpxsee.qrc

@@ -13,7 +13,7 @@
         <file>icons/arrow-right.png</file>
         <file>icons/arrow-left-double.png</file>
         <file>icons/arrow-right-double.png</file>
+        <file>icons/view-fullscreen.png</file>
         <file>lang/gpxsee_cs.qm</file>
-        <file>maps.txt</file>
     </qresource>
 </RCC>

gpxsee.rc

@@ -1 +0,0 @@
-IDI_ICON1               ICON    DISCARDABLE     "icons/gpxsee.ico"

lang/gpxsee_cs.ts

@@ -14,44 +14,44 @@
         <translation>Výška</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="16"/>
+        <location filename="../src/elevationgraph.cpp" line="81"/>
-        <location filename="../src/elevationgraph.cpp" line="83"/>
         <source>km</source>
         <translation>km</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="17"/>
+        <location filename="../src/elevationgraph.cpp" line="78"/>
-        <location filename="../src/elevationgraph.cpp" line="84"/>
+        <location filename="../src/elevationgraph.cpp" line="98"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="23"/>
+        <location filename="../src/elevationgraph.cpp" line="22"/>
         <source>Ascent</source>
         <translation>Stoupání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="25"/>
+        <location filename="../src/elevationgraph.cpp" line="24"/>
         <source>Descent</source>
         <translation>Klesání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="29"/>
+        <location filename="../src/elevationgraph.cpp" line="28"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="88"/>
+        <location filename="../src/elevationgraph.cpp" line="89"/>
         <source>mi</source>
         <translation>mi</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="89"/>
+        <location filename="../src/elevationgraph.cpp" line="86"/>
+        <location filename="../src/elevationgraph.cpp" line="101"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="27"/>
+        <location filename="../src/elevationgraph.cpp" line="26"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
@@ -59,352 +59,429 @@
 <context>
     <name>GUI</name>
     <message>
-        <location filename="../src/gui.cpp" line="161"/>
+        <location filename="../src/gui.cpp" line="448"/>
-        <source>About Qt</source>
-        <translation>O Qt</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="380"/>
         <source>GPXSee is distributed under the terms of the GNU General Public License version 3. For more info about GPXSee visit the project homepage at </source>
         <translation>Program GPXSee je distribuován pod podmínkami licence GNU General Public License verze 3. Pro více informací navštivte stránky programu na adrese </translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="441"/>
+        <location filename="../src/gui.cpp" line="512"/>
         <source>Open file</source>
         <translation>Otevřít soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="175"/>
+        <location filename="../src/gui.cpp" line="208"/>
         <source>Save as</source>
         <translation>Uložit jako</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="501"/>
+        <location filename="../src/gui.cpp" line="583"/>
         <source>Open POI file</source>
         <translation>Otevřít POI soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="166"/>
+        <location filename="../src/gui.cpp" line="197"/>
         <source>Open</source>
         <translation>Otevřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="149"/>
+        <location filename="../src/gui.cpp" line="181"/>
         <source>Quit</source>
         <translation>Ukončit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="156"/>
+        <location filename="../src/gui.cpp" line="189"/>
-        <location filename="../src/gui.cpp" line="396"/>
+        <location filename="../src/gui.cpp" line="464"/>
-        <location filename="../src/gui.cpp" line="397"/>
+        <location filename="../src/gui.cpp" line="465"/>
         <source>Keyboard controls</source>
         <translation>Ovládací klávesy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="170"/>
+        <location filename="../src/gui.cpp" line="202"/>
         <source>Save</source>
         <translation>Uložit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="180"/>
+        <location filename="../src/gui.cpp" line="214"/>
         <source>Close</source>
         <translation>Zavřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="185"/>
+        <location filename="../src/gui.cpp" line="220"/>
         <source>Reload</source>
         <translation>Znovu načíst</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="317"/>
+        <location filename="../src/gui.cpp" line="379"/>
         <source>Show</source>
         <translation>Zobrazit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="262"/>
+        <location filename="../src/gui.cpp" line="321"/>
-        <location filename="../src/gui.cpp" line="308"/>
+        <location filename="../src/gui.cpp" line="370"/>
         <source>File</source>
         <translation>Soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="154"/>
+        <location filename="../src/gui.cpp" line="187"/>
-        <location filename="../src/gui.cpp" line="414"/>
+        <location filename="../src/gui.cpp" line="487"/>
-        <location filename="../src/gui.cpp" line="415"/>
+        <location filename="../src/gui.cpp" line="488"/>
         <source>Data sources</source>
         <translation>Zdroje dat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="192"/>
+        <location filename="../src/gui.cpp" line="228"/>
         <source>Load POI file</source>
         <translation>Nahrát POI soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="195"/>
+        <location filename="../src/gui.cpp" line="231"/>
         <source>Close POI files</source>
-        <translation>Zavřit soubory POI</translation>
+        <translation>Zavřit POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="198"/>
+        <location filename="../src/gui.cpp" line="234"/>
         <source>Show POIs</source>
         <translation>Zobrazit POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="205"/>
+        <location filename="../src/gui.cpp" line="242"/>
         <source>Show map</source>
         <translation>Zobrazit mapu</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="218"/>
+        <location filename="../src/gui.cpp" line="248"/>
+        <source>Clear tile cache</source>
+        <translation>Vymazat mezipaměť dlaždic</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="258"/>
+        <location filename="../src/gui.cpp" line="262"/>
+        <location filename="../src/gui.cpp" line="474"/>
+        <source>Next map</source>
+        <translation>Následující mapa</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="269"/>
         <source>Show graphs</source>
         <translation>Zobrazovat grafy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="224"/>
+        <location filename="../src/gui.cpp" line="276"/>
         <source>Show toolbars</source>
         <translation>Zobrazovat nástrojové lišty</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="231"/>
+        <location filename="../src/gui.cpp" line="283"/>
         <source>Metric</source>
         <translation>Metrické</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="237"/>
+        <location filename="../src/gui.cpp" line="289"/>
         <source>Imperial</source>
         <translation>Imperiální</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="244"/>
+        <location filename="../src/gui.cpp" line="295"/>
+        <source>Fullscreen mode</source>
+        <translation>Celoobrazovkový režim</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="303"/>
         <source>Next</source>
         <translation>Následující</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="247"/>
+        <location filename="../src/gui.cpp" line="306"/>
         <source>Previous</source>
         <translation>Předchozí</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="251"/>
+        <location filename="../src/gui.cpp" line="310"/>
         <source>Last</source>
         <translation>Poslední</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="254"/>
+        <location filename="../src/gui.cpp" line="313"/>
         <source>First</source>
         <translation>První</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="276"/>
+        <location filename="../src/gui.cpp" line="335"/>
         <source>Map</source>
         <translation>Mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="281"/>
+        <location filename="../src/gui.cpp" line="342"/>
         <source>POI</source>
         <translation>POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="282"/>
+        <location filename="../src/gui.cpp" line="343"/>
         <source>POI files</source>
         <translation>POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="290"/>
+        <location filename="../src/gui.cpp" line="351"/>
         <source>Settings</source>
         <translation>Nastavení</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="291"/>
+        <location filename="../src/gui.cpp" line="352"/>
         <source>Units</source>
         <translation>Jednotky</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="298"/>
+        <location filename="../src/gui.cpp" line="361"/>
         <source>Help</source>
         <translation>Nápověda</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="348"/>
+        <location filename="../src/gui.cpp" line="476"/>
+        <source>Previous map</source>
+        <translation>Předchozí mapa</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="822"/>
+        <source>No GPX files loaded</source>
+        <translation>Nejsou načteny žádné GPX soubory</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="922"/>
         <source>Elevation</source>
         <translation>Výška</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="349"/>
+        <location filename="../src/gui.cpp" line="923"/>
         <source>Speed</source>
         <translation>Rychlost</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="399"/>
+        <location filename="../src/gui.cpp" line="924"/>
+        <source>Heart rate</source>
+        <translation>Tep</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="467"/>
         <source>Next file</source>
         <translation>Následující soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="400"/>
+        <location filename="../src/gui.cpp" line="444"/>
+        <source>Version </source>
+        <translation>Verze </translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="468"/>
         <source>Previous file</source>
         <translation>Předchozí soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="402"/>
+        <location filename="../src/gui.cpp" line="470"/>
         <source>First file</source>
         <translation>První soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="403"/>
+        <location filename="../src/gui.cpp" line="471"/>
         <source>Last file</source>
         <translation>Poslední soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="404"/>
+        <location filename="../src/gui.cpp" line="472"/>
         <source>Append modifier</source>
         <translation>Modifikátor nahradit/přidat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="418"/>
+        <location filename="../src/gui.cpp" line="491"/>
         <source>Map (tiles) source URLs are read on program startup from the following file:</source>
         <translation>URL mapových zdrojů (dlaždic) jsou načteny při startu programu z následujícího souboru:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="422"/>
+        <location filename="../src/gui.cpp" line="494"/>
         <source>The file format is one map entry per line, consisting of the map name and tiles URL delimited by a TAB character. The tile X and Y coordinates are replaced with $x and $y in the URL and the zoom level is replaced with $z. An example map file could look like:</source>
         <translation>Formát souboru je jeden mapový záznam na řádku, kde mapový záznam sestává ze jména mapy a URL dlaždic navzájem oddělených tabulátorem. Souřadnice dlaždice jsou v URL nahrazeny řetězci $x a $y, úroven přiblížení (zoom) pak řetězcem $z. Příklad:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="430"/>
+        <location filename="../src/gui.cpp" line="502"/>
         <source>To make GPXSee load a POI file automatically on startup, add the file to the following directory:</source>
         <translation>POI soubory, které se mají automaticky nahrát při startu programu jsou načítány z následujícího adresáře:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="442"/>
+        <location filename="../src/gui.cpp" line="513"/>
         <source>GPX files (*.gpx);;All files (*)</source>
         <translation>soubory GPX (*.gpx);;všechny soubory (*)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="492"/>
+        <location filename="../src/gui.cpp" line="574"/>
-        <location filename="../src/gui.cpp" line="509"/>
+        <location filename="../src/gui.cpp" line="600"/>
         <source>Line: %1</source>
         <translation>Řádka: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="502"/>
+        <location filename="../src/gui.cpp" line="584"/>
         <source>GPX files (*.gpx);;CSV files (*.csv);;All files (*)</source>
         <translation>soubory GPX (*.gpx);;soubory CSV (*.csv);;všechny soubory (*)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="577"/>
+        <location filename="../src/gui.cpp" line="665"/>
-        <location filename="../src/gui.cpp" line="697"/>
+        <location filename="../src/gui.cpp" line="837"/>
         <source>mi</source>
         <translation>mi</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="580"/>
+        <location filename="../src/gui.cpp" line="668"/>
-        <location filename="../src/gui.cpp" line="582"/>
+        <location filename="../src/gui.cpp" line="670"/>
-        <location filename="../src/gui.cpp" line="584"/>
+        <location filename="../src/gui.cpp" line="672"/>
-        <location filename="../src/gui.cpp" line="586"/>
+        <location filename="../src/gui.cpp" line="674"/>
+        <location filename="../src/gui.cpp" line="834"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="583"/>
+        <location filename="../src/gui.cpp" line="671"/>
-        <location filename="../src/gui.cpp" line="595"/>
+        <location filename="../src/gui.cpp" line="683"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="585"/>
+        <location filename="../src/gui.cpp" line="673"/>
-        <location filename="../src/gui.cpp" line="597"/>
+        <location filename="../src/gui.cpp" line="685"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="159"/>
+        <location filename="../src/gui.cpp" line="192"/>
-        <location filename="../src/gui.cpp" line="376"/>
+        <location filename="../src/gui.cpp" line="442"/>
         <source>About GPXSee</source>
         <translation>O aplikaci GPXSee</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="324"/>
+        <location filename="../src/gui.cpp" line="386"/>
         <source>Navigation</source>
         <translation>Navigace</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="378"/>
+        <location filename="../src/gui.cpp" line="490"/>
-        <source>GPX viewer and analyzer</source>
-        <translation>Prohlížeč a analyzátor GPX</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="417"/>
         <source>Map sources</source>
         <translation>Mapové zdroje</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="429"/>
+        <location filename="../src/gui.cpp" line="501"/>
         <source>POIs</source>
         <translation>POI body</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="576"/>
+        <location filename="../src/gui.cpp" line="664"/>
-        <location filename="../src/gui.cpp" line="588"/>
+        <location filename="../src/gui.cpp" line="676"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="578"/>
+        <location filename="../src/gui.cpp" line="666"/>
-        <location filename="../src/gui.cpp" line="590"/>
+        <location filename="../src/gui.cpp" line="678"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="579"/>
+        <location filename="../src/gui.cpp" line="667"/>
-        <location filename="../src/gui.cpp" line="591"/>
+        <location filename="../src/gui.cpp" line="679"/>
         <source>Ascent</source>
         <translation>Stoupání</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="592"/>
+        <location filename="../src/gui.cpp" line="680"/>
-        <location filename="../src/gui.cpp" line="594"/>
+        <location filename="../src/gui.cpp" line="682"/>
-        <location filename="../src/gui.cpp" line="596"/>
+        <location filename="../src/gui.cpp" line="684"/>
-        <location filename="../src/gui.cpp" line="598"/>
+        <location filename="../src/gui.cpp" line="686"/>
+        <location filename="../src/gui.cpp" line="841"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="581"/>
+        <location filename="../src/gui.cpp" line="669"/>
-        <location filename="../src/gui.cpp" line="593"/>
+        <location filename="../src/gui.cpp" line="681"/>
         <source>Descent</source>
         <translation>Klesání</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="693"/>
+        <location filename="../src/gui.cpp" line="829"/>
         <source>%1 tracks</source>
         <translation>Počet tras: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="589"/>
+        <location filename="../src/gui.cpp" line="677"/>
-        <location filename="../src/gui.cpp" line="700"/>
+        <location filename="../src/gui.cpp" line="844"/>
         <source>km</source>
         <translation>km</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="494"/>
+        <location filename="../src/gui.cpp" line="576"/>
-        <location filename="../src/gui.cpp" line="510"/>
+        <location filename="../src/gui.cpp" line="601"/>
         <source>Error</source>
         <translation>Chyba</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="489"/>
+        <location filename="../src/gui.cpp" line="571"/>
         <source>Error loading GPX file:
 %1</source>
         <translation>Soubor GPX nelze otevřít:
 %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="506"/>
+        <location filename="../src/gui.cpp" line="597"/>
         <source>Error loading POI file:
 %1</source>
         <translation>Soubor POI nelze otevřít:
 %1</translation>
     </message>
 </context>
+<context>
+    <name>HeartRateGraph</name>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="10"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="11"/>
+        <source>Heart rate</source>
+        <translation>Tep</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="78"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="9"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="18"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="75"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="83"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="86"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+</context>
 <context>
     <name>QObject</name>
     <message>
@@ -431,44 +508,52 @@
 <context>
     <name>SpeedGraph</name>
     <message>
-        <location filename="../src/speedgraph.cpp" line="10"/>
+        <location filename="../src/speedgraph.cpp" line="11"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="11"/>
+        <location filename="../src/speedgraph.cpp" line="12"/>
         <source>Speed</source>
         <translation>Rychlost</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="12"/>
+        <location filename="../src/speedgraph.cpp" line="72"/>
-        <location filename="../src/speedgraph.cpp" line="73"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraph.cpp" line="75"/>
         <source>km</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="13"/>
+        <location filename="../src/speedgraph.cpp" line="80"/>
-        <location filename="../src/speedgraph.cpp" line="74"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraph.cpp" line="92"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="21"/>
+        <location filename="../src/speedgraph.cpp" line="19"/>
         <source>Average</source>
         <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="23"/>
+        <location filename="../src/speedgraph.cpp" line="21"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="78"/>
+        <location filename="../src/speedgraph.cpp" line="83"/>
         <source>mi</source>
         <translation>mi</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="79"/>
+        <location filename="../src/speedgraph.cpp" line="95"/>
         <source>mi/h</source>
         <translation>mi/h</translation>
     </message>

pkg/gpxsee.nsi

@@ -19,6 +19,8 @@ InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
 
 ; Registry key for uninstaller
 !define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; GPX file type registry entry
+!define REGGPX "GPXSee.gpx"
 
 ; Start menu page configuration
 !define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
@@ -55,8 +57,9 @@ Section "GPXSee (required)" SEC_APP
   ; Set output path to the installation directory.
   SetOutPath $INSTDIR
   
-  ; Put file there
+  ; Put the files there
   File "gpxsee.exe"
+  File "maps.txt"
   
   ; Write the installation path into the registry
   WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
@@ -64,7 +67,7 @@ Section "GPXSee (required)" SEC_APP
   ; Write the uninstall keys for Windows
   WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
   WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.9"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.13"
   WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
   WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
   WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
@@ -78,6 +81,13 @@ Section "GPXSee (required)" SEC_APP
     CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
   !insertmacro MUI_STARTMENU_WRITE_END
 
+  ; Associate .gpx files
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
 SectionEnd
 
 Section "QT libs" SEC_QT
@@ -133,6 +143,11 @@ Section "Uninstall"
   Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
   RMDir "$SMPROGRAMS\$StartMenuFolder"
 
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'  
+
 SectionEnd
 
 ;-------------------------------

pkg/gpxsee64.nsi

@@ -0,0 +1,174 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+
+; The name of the installer
+Name "GPXSee"
+
+; The file to write
+OutFile "install.exe"
+
+; Required execution level 
+RequestExecutionLevel admin
+
+; The default installation directory
+InstallDir "$PROGRAMFILES64\GPXSee"
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
+
+; Registry key for uninstaller
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; GPX file type registry entry
+!define REGGPX "GPXSee.gpx" 
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+Function .onInit  
+  ${If} ${RunningX64}
+    SetRegView 64
+  ${Else}  
+    MessageBox MB_OK "The 64b version of GPXSee can not be run on 32b systems."  
+    Abort  
+  ${EndIf}
+FunctionEnd 
+
+; The stuff to install
+Section "GPXSee (required)" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+  
+  ; Write the installation path into the registry
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+  
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.13"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Associate .gpx files
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT libs" SEC_QT
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File "libGLESv2.dll"
+  File /r "platforms"
+  File /r "imageformats"
+ 
+SectionEnd
+
+Section "MSVC runtime" SEC_MSVC
+
+  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
+  ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" "Installed"
+  StrCmp $R0 "1" 0 +3
+  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
+  Goto done
+
+  DetailPrint "Installing Visual C++ 2015 Redistributable..."
+  SetOutPath $TEMP
+  File "VC_redist.x64.exe"
+  ExecWait '"$TEMP/VC_redist.x64.exe" /install /quiet /norestart'
+
+  done:
+SectionEnd
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+  
+  ; Remove registry keys
+  SetRegView 64
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee
+
+  ; Remove directories used
+  RMDir /r "$INSTDIR"
+
+  ; Remove Start menu entries
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
+  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+  
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT Library. Unselct only if you have QT already installed!"
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

src/app.cpp

@@ -0,0 +1,48 @@
+#include <QtGlobal>
+#include <QTranslator>
+#include <QLocale>
+#include <QFileOpenEvent>
+#include "gui.h"
+#include "app.h"
+
+
+App::App(int &argc, char **argv) : QApplication(argc, argv),
+  _argc(argc), _argv(argv)
+{
+	_translator = new QTranslator();
+
+	QString locale = QLocale::system().name();
+	_translator->load(QString(":/lang/gpxsee_") + locale);
+	installTranslator(_translator);
+#ifdef Q_OS_MAC
+	setAttribute(Qt::AA_DontShowIconsInMenus);
+#endif // Q_OS_MAC
+
+	_gui = new GUI();
+}
+
+App::~App()
+{
+	delete _gui;
+	delete _translator;
+}
+
+void App::run()
+{
+	_gui->show();
+
+	for (int i = 1; i < _argc; i++)
+		_gui->openFile(QString::fromLocal8Bit(_argv[i]));
+
+	exec();
+}
+
+bool App::event(QEvent *event)
+{
+	if (event->type() == QEvent::FileOpen) {
+		QFileOpenEvent *e = static_cast<QFileOpenEvent *>(event);
+		return _gui->openFile(e->file());
+	}
+
+	return QApplication::event(event);
+}

src/app.h

@@ -0,0 +1,28 @@
+#ifndef APP_H
+#define APP_H
+
+#include <QApplication>
+
+class GUI;
+class QTranslator;
+
+class App : QApplication
+{
+	Q_OBJECT
+
+public:
+	App(int &argc, char **argv);
+	~App();
+	void run();
+
+protected:
+	bool event(QEvent *event);
+
+private:
+	int &_argc;
+	char **_argv;
+	GUI *_gui;
+	QTranslator *_translator;
+};
+
+#endif // APP_H

src/axisitem.cpp

@@ -36,25 +36,25 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 	_size = 0;
 }
 
-void AxisItem::setRange(const QPointF &range)
+void AxisItem::setRange(const RangeF &range)
 {
+	prepareGeometryChange();
 	_range = range;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::setSize(qreal size)
 {
+	prepareGeometryChange();
 	_size = size;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::setLabel(const QString& label)
 {
+	prepareGeometryChange();
 	_label = label;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::updateBoundingRect()
@@ -67,7 +67,7 @@ void AxisItem::updateBoundingRect()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -77,9 +77,20 @@ void AxisItem::updateBoundingRect()
 		_size + es.width()/2 + ss.width()/2,
 		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING);
 	} else {
-		_boundingRect = QRectF(-(ls.height() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		_boundingRect = QRectF(-(ls.height() + mtw + 2*PADDING
 		  - fm.descent() + TICK/2), -(_size + es.height()/2
-		  + fm.descent()), ls.height() -fm.descent() + es.width() + 2*PADDING
+		  + fm.descent()), ls.height() -fm.descent() + mtw + 2*PADDING
 		  + TICK, _size + es.height()/2 + fm.descent() + ss.height()/2);
 	}
 }
@@ -95,7 +106,7 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	QFontMetrics fm(font);
 	QRect ts, ls;
 	struct Label l;
-	qreal range = _range.y() - _range.x();
+	qreal range = _range.size();
 	qreal val;
 
 
@@ -106,15 +117,15 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	if (_type == X) {
 		painter->drawLine(0, 0, _size, 0);
 
-		l = label(_range.x(), _range.y(), XTICKS);
+		l = label(_range.min(), _range.max(), XTICKS);
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine((_size/range) * (val - _range.x()), TICK/2,
+			painter->drawLine((_size/range) * (val - _range.min()), TICK/2,
-			  (_size/range) * (val - _range.x()), -TICK/2);
+			  (_size/range) * (val - _range.min()), -TICK/2);
 			ts = fm.tightBoundingRect(str);
-			painter->drawText(((_size/range) * (val - _range.x()))
+			painter->drawText(((_size/range) * (val - _range.min()))
 			  - (ts.width()/2), ts.height() + TICK/2 + PADDING, str);
 		}
 
@@ -123,21 +134,23 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	} else {
 		painter->drawLine(0, 0, 0, -_size);
 
-		l = label(_range.x(), _range.y(), YTICKS);
+		l = label(_range.min(), _range.max(), YTICKS);
+		int mtw = 0;
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine(TICK/2, -((_size/range) * (val - _range.x())),
+			painter->drawLine(TICK/2, -((_size/range) * (val - _range.min())),
-			  -TICK/2, -((_size/range) * (val - _range.x())));
+			  -TICK/2, -((_size/range) * (val - _range.min())));
 			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
 			painter->drawText(-(ts.width() + PADDING + TICK/2), -((_size/range)
-			  * (val - _range.x())) + (ts.height()/2), str);
+			  * (val - _range.min())) + (ts.height()/2), str);
 		}
 
 		painter->rotate(-90);
-		painter->drawText(_size/2 - ls.width()/2, -(ts.width()
+		painter->drawText(_size/2 - ls.width()/2, -(mtw + 2*PADDING + TICK/2),
-		  + 2*PADDING + TICK/2), _label);
+		  _label);
 		painter->rotate(90);
 	}
 
@@ -156,7 +169,7 @@ QSizeF AxisItem::margin() const
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -165,7 +178,18 @@ QSizeF AxisItem::margin() const
 		return QSizeF(es.width()/2,
 		  ls.height() + es.height() - fm.descent() + TICK/2 + 2*PADDING);
 	} else {
-		return QSizeF(ls.height() -fm.descent() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		return QSizeF(ls.height() -fm.descent() + mtw + 2*PADDING
 		  + TICK/2, es.height()/2 + fm.descent());
 	}
 }

src/axisitem.h

@@ -2,6 +2,7 @@
 #define AXISITEM_H
 
 #include <QGraphicsItem>
+#include "range.h"
 
 class AxisItem : public QGraphicsItem
 {
@@ -14,7 +15,7 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
-	void setRange(const QPointF &range);
+	void setRange(const RangeF &range);
 	void setSize(qreal size);
 	void setLabel(const QString& label);
 
@@ -24,7 +25,7 @@ private:
 	void updateBoundingRect();
 
 	Type _type;
-	QPointF _range;
+	RangeF _range;
 	qreal _size;
 	QString _label;
 	QRectF _boundingRect;

src/config.h

@@ -1,20 +1,36 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+#include <QtGlobal>
+#include <QDir>
+#include <QApplication>
+#include <QString>
+
 #define APP_NAME        "GPXSee"
 #define APP_HOMEPAGE    "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "2.9"
 
 #define FONT_FAMILY     "Arial"
 #define FONT_SIZE       12
 
+#define MAP_FILE        QString("maps.txt")
+#define POI_DIR         QString("POI")
+
 #if defined(Q_OS_WIN32)
-#define APP_DIR        "GPXSee"
+#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 APP_DIR        ".gpxsee"
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QString("/usr/share/gpxsee")
 #endif
-#define POI_DIR        APP_DIR"/POI"
+
-#define TILES_DIR      APP_DIR"/tiles"
+#define USER_MAP_FILE   USER_DIR + QString("/") + MAP_FILE
-#define MAP_LIST_FILE  APP_DIR"/maps.txt"
+#define USER_POI_DIR    USER_DIR + QString("/") + POI_DIR
+#define GLOBAL_MAP_FILE GLOBAL_DIR + QString("/") + MAP_FILE
+#define GLOBAL_POI_DIR  GLOBAL_DIR + QString("/") + POI_DIR
+#define TILES_DIR       USER_DIR + QString("/tiles")
 
 #endif /* CONFIG_H */

src/cpuarch.h

@@ -0,0 +1,42 @@
+#ifndef CPUARCH_H
+#define CPUARCH_H
+
+#include <QtGlobal>
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+
+#if defined(__arm64__)
+	#define CPU_ARCH_STR "arm64"
+#elif defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM)
+	#define CPU_ARCH_STR "arm"
+#elif defined(__x86_64) || defined(__x86_64__) || defined(__amd64) \
+ || defined(_M_X64)
+	#define CPU_ARCH_STR "x86_64"
+#elif defined(__i386) || defined(__i386__) || defined(_M_IX86)
+	#define CPU_ARCH_STR "i386"
+#elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
+	#define CPU_ARCH_STR "ia64"
+#elif defined(_MIPS_ARCH_MIPS64) || defined(__mips64)
+	#define CPU_ARCH_STR "mips64"
+#elif defined(__mips) || defined(__mips__) || defined(_M_MRX000)
+	#define CPU_ARCH_STR "mips"
+#elif defined(__ppc64__) || defined(__powerpc64__) || defined(__64BIT__)
+	#define CPU_ARCH_STR "power64"
+#elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \
+  || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC)  \
+  || defined(_M_MPPC) || defined(_M_PPC)
+	#define CPU_ARCH_STR "power"
+#else
+	#define CPU_ARCH_STR "unknown"
+#endif
+
+#define CPU_ARCH QString(CPU_ARCH_STR)
+
+#else // QT_VERSION < 5.4
+
+#include <QSysInfo>
+#define CPU_ARCH QSysInfo::buildCpuArchitecture()
+
+#endif // QT_VERSION < 5.4
+
+#endif // CPUARCH_H

src/downloader.cpp

@@ -14,7 +14,8 @@
 #define PLATFORM_STR "Unknown"
 #endif
 
-#define USER_AGENT APP_NAME"/"APP_VERSION" ("PLATFORM_STR"; Qt "QT_VERSION_STR")"
+#define USER_AGENT \
+	APP_NAME "/" APP_VERSION " (" PLATFORM_STR "; Qt " QT_VERSION_STR ")"
 
 Downloader::Downloader()
 {

src/elevationgraph.cpp

@@ -1,4 +1,3 @@
-#include <float.h>
 #include "config.h"
 #include "gpx.h"
 #include "elevationgraph.h"
@@ -8,92 +7,108 @@ ElevationGraph::ElevationGraph(QWidget *parent) : GraphView(parent)
 {
 	_ascent = 0;
 	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
 
-	GraphView::setXLabel(tr("Distance"));
+	_units = Metric;
-	GraphView::setYLabel(tr("Elevation"));
+
-	GraphView::setXUnits(tr("km"));
+	setYUnits();
-	GraphView::setYUnits(tr("m"));
+	setXLabel(tr("Distance"));
-	GraphView::setXScale(M2KM);
+	setYLabel(tr("Elevation"));
-	GraphView::setMinRange(50.0);
+
+	setMinYRange(50.0);
 }
 
 void ElevationGraph::addInfo()
 {
-	GraphView::addInfo(tr("Ascent"), QString::number(_ascent * _yScale, 'f', 0)
+	GraphView::addInfo(tr("Ascent"), QString::number(_ascent * yScale(), 'f', 0)
-	  + UNIT_SPACE + _yUnits);
+	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Descent"), QString::number(_descent * _yScale, 'f', 0)
+	GraphView::addInfo(tr("Descent"), QString::number(_descent * yScale(), 'f',
-	  + UNIT_SPACE + _yUnits);
+	  0) + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Maximum"), QString::number(_max * _yScale, 'f', 0)
+	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f', 0)
-	  + UNIT_SPACE + _yUnits);
+	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Minimum"), QString::number(_min * _yScale, 'f', 0)
+	GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f', 0)
-	  + UNIT_SPACE + _yUnits);
+	  + UNIT_SPACE + yUnits());
+
+	redraw();
 }
 
 void ElevationGraph::loadGPX(const GPX &gpx)
 {
 	for (int i = 0; i < gpx.trackCount(); i++) {
 		QVector<QPointF> data;
-		qreal min, max, ascent = 0, descent = 0;
+		qreal ascent = 0, descent = 0;
 
 		gpx.track(i).elevationGraph(data);
-		if (data.isEmpty())
+		if (data.count() < 2) {
+			skipColor();
 			continue;
+		}
 
-		min = max = data.at(0).y();
+		for (int j = 1; j < data.size(); j++) {
-
+			qreal cur = data.at(j).y();
-		for (int i = 1; i < data.size(); i++) {
+			qreal prev = data.at(j-1).y();
-			qreal cur = data.at(i).y();
-			qreal prev = data.at(i-1).y();
 
 			if (cur > prev)
 				ascent += cur - prev;
 			if (cur < prev)
 				descent += prev - cur;
-
-			if (cur > max)
-				max = cur;
-			if (cur < min)
-				min = cur;
 		}
 
 		_ascent += ascent;
 		_descent += descent;
-		_max = qMax(_max, max);
-		_min = qMin(_min, min);
 
-		addInfo();
 		loadData(data);
 	}
+
+	setXUnits();
+	addInfo();
 }
 
 void ElevationGraph::clear()
 {
 	_ascent = 0;
 	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
 
 	GraphView::clear();
 }
 
-void ElevationGraph::setUnits(enum Units units)
+void ElevationGraph::setXUnits()
 {
-	if (units == Metric) {
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
 			GraphView::setXUnits(tr("km"));
-		GraphView::setYUnits(tr("m"));
+			setXScale(M2KM);
-		GraphView::setXScale(M2KM);
+		}
-		GraphView::setYScale(1);
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
 		} else {
 			GraphView::setXUnits(tr("mi"));
-		GraphView::setYUnits(tr("ft"));
+			setXScale(M2MI);
-		GraphView::setXScale(M2MI);
-		GraphView::setYScale(M2FT);
 		}
+	}
+}
+
+void ElevationGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("m"));
+		setYScale(1);
+	} else {
+		GraphView::setYUnits(tr("ft"));
+		setYScale(M2FT);
+	}
+}
+
+void ElevationGraph::setUnits(enum Units units)
+{
+	_units = units;
+	setXUnits();
+	setYUnits();
 
 	clearInfo();
 	addInfo();
-
-	redraw();
 }

src/elevationgraph.h

@@ -19,14 +19,16 @@ public:
 
 	qreal ascent() const {return _ascent;}
 	qreal descent() const {return _descent;}
-	qreal max() const {return _max;}
+	qreal max() const {return bounds().bottom();}
-	qreal min() const {return _min;}
+	qreal min() const {return bounds().top();}
 
 private:
+	void setXUnits();
+	void setYUnits();
 	void addInfo();
 
 	qreal _ascent, _descent;
-	qreal _max, _min;
+	enum Units _units;
 };
 
 #endif // ELEVATIONGRAPH_H

src/graphview.cpp

@@ -1,4 +1,3 @@
-#include <float.h>
 #include <QGraphicsView>
 #include <QGraphicsSceneMouseEvent>
 #include <QEvent>
@@ -28,6 +27,9 @@ GraphView::GraphView(QWidget *parent)
 	_scene = new Scene(this);
 	setScene(_scene);
 
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
 	_xAxis = new AxisItem(AxisItem::X);
 	_yAxis = new AxisItem(AxisItem::Y);
 
@@ -44,16 +46,13 @@ GraphView::GraphView(QWidget *parent)
 	_sliderInfo = new SliderInfoItem(_slider);
 	_sliderInfo->setZValue(2.0);
 
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
-
 	_xScale = 1;
 	_yScale = 1;
 
 	_precision = 0;
-	_minRange = 0.01;
+	_minYRange = 0.01;
+
+	_sliderPos = 0;
 }
 
 GraphView::~GraphView()
@@ -74,14 +73,14 @@ GraphView::~GraphView()
 
 void GraphView::updateBounds(const QPointF &point)
 {
-	if (point.x() < _xMin)
+	if (point.x() < _bounds.left())
-		_xMin = point.x();
+		_bounds.setLeft(point.x());
-	if (point.x() > _xMax)
+	if (point.x() > _bounds.right())
-		_xMax = point.x();
+		_bounds.setRight(point.x());
-	if (point.y() < _yMin)
+	if (point.y() > _bounds.bottom())
-		_yMin = point.y();
+		_bounds.setBottom(point.y());
-	if (point.y() > _yMax)
+	if (point.y() < _bounds.top())
-		_yMax = point.y();
+		_bounds.setTop(point.y());
 }
 
 void GraphView::createXLabel()
@@ -137,6 +136,9 @@ void GraphView::loadData(const QVector<QPointF> &data)
 	if (data.size() < 2)
 		return;
 
+	if (!_graphs.size())
+		_bounds.moveTo(data.at(0));
+
 	updateBounds(data.at(0));
 	path.moveTo(data.at(0).x(), -data.at(0).y());
 	for (int i = 1; i < data.size(); i++) {
@@ -151,26 +153,21 @@ void GraphView::loadData(const QVector<QPointF> &data)
 	pi->setPen(pen);
 	_scene->addItem(pi);
 	_graphs.append(pi);
-
-	if (_graphs.size() > 1)
-		_sliderInfo->hide();
-
-	redraw();
 }
 
 void GraphView::redraw()
 {
 	if (!_graphs.isEmpty())
-		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+		redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
 }
 
-void GraphView::resize(const QSizeF &size)
+void GraphView::redraw(const QSizeF &size)
 {
 	QRectF r;
 	QSizeF mx, my;
-	QPointF rx, ry;
+	RangeF rx, ry;
 	QTransform transform;
-	qreal xs, ys, diff;
+	qreal xs, ys;
 
 
 	if (_xAxis->scene() == _scene)
@@ -185,20 +182,20 @@ void GraphView::resize(const QSizeF &size)
 	for (int i = 0; i < _graphs.size(); i++)
 		_graphs.at(i)->resetTransform();
 
-	rx = QPointF(_xMin * _xScale, _xMax * _xScale);
+	rx = RangeF(_bounds.left() * _xScale, _bounds.right() * _xScale);
-	ry = QPointF(_yMin * _yScale, _yMax * _yScale);
+	ry = RangeF(_bounds.top() * _yScale, _bounds.bottom() * _yScale);
-	if ((diff = ry.y() - ry.x()) < _minRange)
+	if (ry.size() < _minYRange)
-		ry = QPointF(ry.x() - (_minRange/2 - diff/2),
+		ry.resize(_minYRange);
-		  ry.y() + (_minRange/2 - diff/2));
+
 	_xAxis->setRange(rx);
 	_yAxis->setRange(ry);
 	mx = _xAxis->margin();
 	my = _yAxis->margin();
 
 	r = _scene->itemsBoundingRect();
-	if (r.height() < _minRange)
+	if (r.height() < _minYRange)
-		r.adjust(0, -(_minRange/2 - r.height()/2), 0,
+		r.adjust(0, -(_minYRange/2 - r.height()/2), 0,
-		  _minRange/2 - r.height()/2);
+		  _minYRange/2 - r.height()/2);
 
 	xs = (size.width() - (my.width() + mx.width())) / r.width();
 	ys = (size.height() - (mx.height() + my.height())
@@ -209,9 +206,9 @@ void GraphView::resize(const QSizeF &size)
 		_graphs.at(i)->setTransform(transform);
 
 	r = _scene->itemsBoundingRect();
-	if (r.height() < _minRange * ys)
+	if (r.height() < _minYRange * ys)
-		r.adjust(0, -(_minRange/2 * ys - r.height()/2), 0,
+		r.adjust(0, -(_minYRange/2 * ys - r.height()/2), 0,
-		  (_minRange/2) * ys - r.height()/2);
+		  (_minYRange/2) * ys - r.height()/2);
 
 	_xAxis->setSize(r.width());
 	_yAxis->setSize(r.height());
@@ -220,16 +217,12 @@ void GraphView::resize(const QSizeF &size)
 	_scene->addItem(_xAxis);
 	_scene->addItem(_yAxis);
 
-	qreal sp = (_slider->pos().x() == _slider->area().left())
-		? 0 : (_slider->pos().x() - _slider->area().left())
-		  / _slider->area().width();
 	_slider->setArea(r);
-	_slider->setPos(QPointF(sp * r.width(), r.bottom()));
+	_slider->setPos((_sliderPos / _bounds.width()) * _slider->area().width(),
+	  r.bottom());
 	_scene->addItem(_slider);
 
-	const QPainterPath &path = _graphs.at(0)->path();
+	updateSliderInfo();
-	QPointF p = path.pointAtPercent(sp);
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
 
 	r = _scene->itemsBoundingRect();
 	_info->setPos(r.topLeft() + QPointF(r.width()/2
@@ -251,13 +244,13 @@ void GraphView::plot(QPainter *painter, const QRectF &target)
 	QSizeF orig = _scene->sceneRect().size();
 	QSizeF canvas = QSizeF(orig.height() * ratio, orig.height());
 
-	resize(canvas);
+	redraw(canvas);
 	_slider->hide();
 	_info->hide();
 	_scene->render(painter, target, QRectF());
 	_slider->show();
 	_info->show();
-	resize(orig);
+	redraw(orig);
 }
 
 void GraphView::clear()
@@ -266,13 +259,10 @@ void GraphView::clear()
 		_scene->removeItem(_xAxis);
 	if (_yAxis->scene() == _scene)
 		_scene->removeItem(_yAxis);
-
 	if (_slider->scene() == _scene)
 		_scene->removeItem(_slider);
-
 	if (_info->scene() == _scene)
 		_scene->removeItem(_info);
-	_sliderInfo->show();
 
 	_slider->clear();
 	_info->clear();
@@ -280,47 +270,99 @@ void GraphView::clear()
 	_graphs.clear();
 	_palette.reset();
 
-	_xMax = -FLT_MAX;
+	_bounds = QRectF();
-	_xMin = FLT_MAX;
+	_sliderPos = 0;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
 
 	_scene->setSceneRect(0, 0, 0, 0);
 }
 
+static qreal yAtX(const QPainterPath &path, qreal x)
+{
+	int low = 0;
+	int high = path.elementCount() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(x >= path.elementAt(low).x && x <= path.elementAt(high).x);
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const QPainterPath::Element &e = path.elementAt(mid);
+		if (e.x > x)
+			high = mid - 1;
+		else if (e.x < x)
+			low = mid + 1;
+		else
+			return e.y;
+	}
+
+	QLineF l;
+	if (path.elementAt(mid).x < x)
+		l = QLineF(path.elementAt(mid).x, path.elementAt(mid).y,
+		  path.elementAt(mid+1).x, path.elementAt(mid+1).y);
+	else
+		l = QLineF(path.elementAt(mid-1).x, path.elementAt(mid-1).y,
+		  path.elementAt(mid).x, path.elementAt(mid).y);
+
+	return l.pointAt((x - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+void GraphView::updateSliderInfo()
+{
+	_sliderInfo->setVisible(_graphs.size() == 1);
+
+	if (_graphs.size() != 1)
+		return;
+
+	const QPainterPath &path = _graphs.at(0)->path();
+	QRectF br = path.boundingRect();
+	if (br.height() < _minYRange)
+		br.adjust(0, -(_minYRange/2 - br.height()/2), 0,
+		  _minYRange/2 - br.height()/2);
+
+	qreal y = yAtX(path, _sliderPos);
+	qreal r = (y - br.bottom()) / br.height();
+
+	qreal pos = (_sliderPos / _bounds.width()) * _slider->area().width();
+	SliderInfoItem::Side s = (pos + _sliderInfo->boundingRect().width()
+	  > _slider->area().right()) ? SliderInfoItem::Left : SliderInfoItem::Right;
+
+	_sliderInfo->setSide(s);
+	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
+	_sliderInfo->setText(QString::number(-y * _yScale, 'f', _precision));
+}
+
 void GraphView::emitSliderPositionChanged(const QPointF &pos)
 {
 	if (_graphs.isEmpty())
 		return;
 
-	qreal val = pos.x() / _slider->area().width();
+	_sliderPos = (pos.x() / _slider->area().width()) * _bounds.width();
-	emit sliderPositionChanged(val);
+	emit sliderPositionChanged(_sliderPos);
 
-	const QPainterPath &path = _graphs.at(0)->path();
+	updateSliderInfo();
-	QRectF br = path.boundingRect();
-	if (br.height() < _minRange)
-		br.adjust(0, -(_minRange/2 - br.height()/2), 0,
-		  _minRange/2 - br.height()/2);
-	QPointF p = path.pointAtPercent(val);
-	qreal r = (p.y() - br.bottom()) / br.height();
-	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
-}
-
-qreal GraphView::sliderPosition() const
-{
-	return _slider->pos().x() / _slider->area().width();
 }
 
 void GraphView::setSliderPosition(qreal pos)
 {
-	_slider->setPos(pos * _slider->area().width(), 0);
+	_sliderPos = pos;
+
+	if (_graphs.isEmpty())
+		return;
+
+	if (pos > _bounds.right() || pos < _bounds.left())
+		_slider->setVisible(false);
+	else {
+		_slider->setPos((pos / _bounds.width()) * _slider->area().width(), 0);
+		_slider->setVisible(true);
+	}
 }
 
 void GraphView::newSliderPosition(const QPointF &pos)
 {
 	if (_slider->area().contains(pos)) {
 		_slider->setPos(pos);
+		_slider->setVisible(true);
 		emitSliderPositionChanged(pos);
 	}
 }

src/graphview.h

@@ -35,37 +35,44 @@ public:
 	~GraphView();
 
 	void loadData(const QVector<QPointF> &data);
+
+	void redraw();
+	void clear();
+
+	int count() const {return _graphs.count();}
+
+	const QString &xLabel() const {return _xLabel;}
+	const QString &yLabel() const {return _yLabel;}
+	const QString &xUnits() const {return _xUnits;}
+	const QString &yUnits() const {return _yUnits;}
+	qreal xScale() const {return _xScale;}
+	qreal yScale() const {return _yScale;}
+
 	void setXLabel(const QString &label);
 	void setYLabel(const QString &label);
 	void setXUnits(const QString &units);
 	void setYUnits(const QString &units);
 	void setXScale(qreal scale);
 	void setYScale(qreal scale);
-	void setPrecision(int precision) {_precision = precision;}
-	void setMinRange(qreal range) {_minRange = range;}
 
-	void redraw();
+	void setSliderPrecision(int precision) {_precision = precision;}
+	void setMinYRange(qreal range) {_minYRange = range;}
 
-	void plot(QPainter *painter, const QRectF &target);
+	qreal sliderPosition() const {return _sliderPos;}
-	void clear();
-
-	qreal sliderPosition() const;
 	void setSliderPosition(qreal pos);
 
-	void addInfo(const QString &key, const QString &value);
+	void plot(QPainter *painter, const QRectF &target);
-	void clearInfo();
 
 signals:
 	void sliderPositionChanged(qreal);
 
 protected:
+	const QRectF &bounds() const {return _bounds;}
 	void resizeEvent(QResizeEvent *);
-
+	void redraw(const QSizeF &size);
-	qreal _xScale, _yScale;
+	void addInfo(const QString &key, const QString &value);
-	QString _xUnits, _yUnits;
+	void clearInfo();
-	QString _xLabel, _yLabel;
+	void skipColor() {_palette.color();}
-	int _precision;
-	qreal _minRange;
 
 private slots:
 	void emitSliderPositionChanged(const QPointF &pos);
@@ -75,7 +82,14 @@ private:
 	void createXLabel();
 	void createYLabel();
 	void updateBounds(const QPointF &point);
-	void resize(const QSizeF &size);
+	void updateSliderInfo();
+
+	qreal _xScale, _yScale;
+	QString _xUnits, _yUnits;
+	QString _xLabel, _yLabel;
+	int _precision;
+	qreal _minYRange;
+	qreal _sliderPos;
 
 	Scene *_scene;
 
@@ -85,7 +99,7 @@ private:
 	InfoItem *_info;
 
 	QList<QGraphicsPathItem*> _graphs;
-	qreal _xMin, _xMax, _yMin, _yMax;
+	QRectF _bounds;
 	Palette _palette;
 };
 

src/gui.cpp

@@ -14,20 +14,31 @@
 #include <QActionGroup>
 #include <QAction>
 #include <QLabel>
+#include <QSettings>
 #include "config.h"
 #include "icons.h"
 #include "keys.h"
+#include "settings.h"
 #include "gpx.h"
 #include "map.h"
 #include "maplist.h"
 #include "elevationgraph.h"
 #include "speedgraph.h"
+#include "heartrategraph.h"
 #include "trackview.h"
 #include "infoitem.h"
 #include "filebrowser.h"
+#include "cpuarch.h"
 #include "gui.h"
 
 
+#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
+
+struct GraphTab {
+	GraphView *view;
+	QString label;
+};
+
 static QString timeSpan(qreal time)
 {
 	unsigned h, m, s;
@@ -43,7 +54,8 @@ static QString timeSpan(qreal time)
 
 GUI::GUI(QWidget *parent) : QMainWindow(parent)
 {
-	loadFiles();
+	loadMaps();
+	loadPOIs();
 
 	createActions();
 	createMenus();
@@ -52,10 +64,12 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	createTrackGraphs();
 	createStatusBar();
 
-	connect(_elevationGraph, SIGNAL(sliderPositionChanged(qreal)), _track,
+	connect(_elevationGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(movePositionMarker(qreal)));
+	  SLOT(sliderPositionChanged(qreal)));
-	connect(_speedGraph, SIGNAL(sliderPositionChanged(qreal)), _track,
+	connect(_speedGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(movePositionMarker(qreal)));
+	  SLOT(sliderPositionChanged(qreal)));
+	connect(_heartRateGraph, SIGNAL(sliderPositionChanged(qreal)), this,
+	  SLOT(sliderPositionChanged(qreal)));
 
 	_browser = new FileBrowser(this);
 	_browser->setFilter(QStringList("*.gpx"));
@@ -63,11 +77,16 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	QVBoxLayout *layout = new QVBoxLayout;
 	layout->addWidget(_track);
 	layout->addWidget(_trackGraphs);
+	layout->setContentsMargins(0, 0, 0, 0);
+#ifdef Q_OS_WIN32
+	layout->setSpacing(0);
+#endif // Q_OS_WIN32
 
 	QWidget *widget = new QWidget;
 	widget->setLayout(layout);
 	setCentralWidget(widget);
 
+	setWindowIcon(QIcon(QPixmap(APP_ICON)));
 	setWindowTitle(APP_NAME);
 	setUnifiedTitleAndToolBarOnMac(true);
 
@@ -75,19 +94,33 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	_time = 0;
 	_trackCount = 0;
 
-	resize(600, 800);
+	_sliderPos = 0;
+
+	updateGraphTabs();
+	updateTrackView();
+
+	readSettings();
 }
 
-void GUI::loadFiles()
+void GUI::loadMaps()
 {
-	// Maps
+	if (QFile::exists(USER_MAP_FILE))
-	_maps = MapList::load(this, QString("%1/" MAP_LIST_FILE)
+		_maps = MapList::load(this, USER_MAP_FILE);
-	  .arg(QDir::homePath()));
+	else
-	_maps += MapList::load(this, ":/maps.txt");
+		_maps = MapList::load(this, GLOBAL_MAP_FILE);
+}
+
+void GUI::loadPOIs()
+{
+	QFileInfoList list;
+	QDir userDir(USER_POI_DIR);
+	QDir globalDir(GLOBAL_POI_DIR);
+
+	if (userDir.exists())
+		list = userDir.entryInfoList(QStringList(), QDir::Files);
+	else
+		list = globalDir.entryInfoList(QStringList(), QDir::Files);
 
-	// POI files
-	QDir dir(QString("%1/" POI_DIR).arg(QDir::homePath()));
-	QFileInfoList list = dir.entryInfoList(QStringList(), QDir::Files);
 	for (int i = 0; i < list.size(); ++i)
 		_poi.loadFile(list.at(i).absoluteFilePath());
 }
@@ -111,9 +144,6 @@ void GUI::createMapActions()
 	}
 
 	connect(sm, SIGNAL(mapped(int)), this, SLOT(mapChanged(int)));
-
-	_mapActions.at(0)->setChecked(true);
-	_currentMap = _maps.at(0);
 }
 
 void GUI::createPOIFilesActions()
@@ -131,7 +161,6 @@ QAction *GUI::createPOIFileAction(int index)
 	QAction *a = new QAction(QFileInfo(_poi.files().at(index)).fileName(),
 	  this);
 	a->setCheckable(true);
-	a->setChecked(true);
 
 	_poiFilesSM->setMapping(a, index);
 	connect(a, SIGNAL(triggered()), _poiFilesSM, SLOT(map()));
@@ -153,8 +182,9 @@ void GUI::createActions()
 
 	// General actions
 	_exitAction = new QAction(QIcon(QPixmap(QUIT_ICON)), tr("Quit"), this);
-	_exitAction->setShortcut(QKeySequence::Quit);
+	_exitAction->setShortcut(QUIT_SHORTCUT);
 	connect(_exitAction, SIGNAL(triggered()), this, SLOT(close()));
+	addAction(_exitAction);
 
 	// Help & About
 	_dataSourcesAction = new QAction(tr("Data sources"), this);
@@ -164,34 +194,37 @@ void GUI::createActions()
 	_aboutAction = new QAction(QIcon(QPixmap(APP_ICON)),
 	  tr("About GPXSee"), this);
 	connect(_aboutAction, SIGNAL(triggered()), this, SLOT(about()));
-	_aboutQtAction = new QAction(QIcon(QPixmap(QT_ICON)), tr("About Qt"), this);
-	connect(_aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 
 	// File related actions
 	_openFileAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
 	  tr("Open"), this);
-	_openFileAction->setShortcut(QKeySequence::Open);
+	_openFileAction->setShortcut(OPEN_SHORTCUT);
 	connect(_openFileAction, SIGNAL(triggered()), this, SLOT(openFile()));
+	addAction(_openFileAction);
 	_saveFileAction = new QAction(QIcon(QPixmap(SAVE_FILE_ICON)),
 	  tr("Save"), this);
-	_saveFileAction->setShortcut(QKeySequence::Save);
+	_saveFileAction->setShortcut(SAVE_SHORTCUT);
 	_saveFileAction->setActionGroup(_fileActionGroup);
 	connect(_saveFileAction, SIGNAL(triggered()), this, SLOT(saveFile()));
+	addAction(_saveFileAction);
 	_saveAsAction = new QAction(QIcon(QPixmap(SAVE_AS_ICON)),
 	  tr("Save as"), this);
-	_saveAsAction->setShortcut(QKeySequence::SaveAs);
+	_saveAsAction->setShortcut(SAVE_AS_SHORTCUT);
 	_saveAsAction->setActionGroup(_fileActionGroup);
 	connect(_saveAsAction, SIGNAL(triggered()), this, SLOT(saveAs()));
+	addAction(_saveAsAction);
 	_closeFileAction = new QAction(QIcon(QPixmap(CLOSE_FILE_ICON)),
 	  tr("Close"), this);
-	_closeFileAction->setShortcut(QKeySequence::Close);
+	_closeFileAction->setShortcut(CLOSE_SHORTCUT);
 	_closeFileAction->setActionGroup(_fileActionGroup);
-	connect(_closeFileAction, SIGNAL(triggered()), this, SLOT(closeFile()));
+	connect(_closeFileAction, SIGNAL(triggered()), this, SLOT(closeAll()));
+	addAction(_closeFileAction);
 	_reloadFileAction = new QAction(QIcon(QPixmap(RELOAD_FILE_ICON)),
 	  tr("Reload"), this);
-	_reloadFileAction->setShortcut(QKeySequence::Refresh);
+	_reloadFileAction->setShortcut(RELOAD_SHORTCUT);
 	_reloadFileAction->setActionGroup(_fileActionGroup);
 	connect(_reloadFileAction, SIGNAL(triggered()), this, SLOT(reloadFile()));
+	addAction(_reloadFileAction);
 
 	// POI actions
 	_openPOIAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
@@ -203,33 +236,46 @@ void GUI::createActions()
 	_showPOIAction = new QAction(QIcon(QPixmap(SHOW_POI_ICON)),
 	  tr("Show POIs"), this);
 	_showPOIAction->setCheckable(true);
-	_showPOIAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_P));
+	_showPOIAction->setShortcut(SHOW_POI_SHORTCUT);
 	connect(_showPOIAction, SIGNAL(triggered(bool)), this, SLOT(showPOI(bool)));
+	addAction(_showPOIAction);
 	createPOIFilesActions();
 
 	// Map actions
 	_showMapAction = new QAction(QIcon(QPixmap(SHOW_MAP_ICON)), tr("Show map"),
 	  this);
 	_showMapAction->setCheckable(true);
-	_showMapAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_M));
+	_showMapAction->setShortcut(SHOW_MAP_SHORTCUT);
 	connect(_showMapAction, SIGNAL(triggered(bool)), this, SLOT(showMap(bool)));
-	if (_maps.empty())
+	addAction(_showMapAction);
+	_clearMapCacheAction = new QAction(tr("Clear tile cache"), this);
+	connect(_clearMapCacheAction, SIGNAL(triggered()), this,
+	  SLOT(clearMapCache()));
+	if (_maps.empty()) {
 		_showMapAction->setEnabled(false);
-	else {
+		_clearMapCacheAction->setEnabled(false);
+	} else {
 		createMapActions();
-		_showMapAction->setChecked(true);
+
+		_nextMapAction = new QAction(tr("Next map"), this);
+		_nextMapAction->setShortcut(NEXT_MAP_SHORTCUT);
+		connect(_nextMapAction, SIGNAL(triggered()), this, SLOT(nextMap()));
+		addAction(_nextMapAction);
+		_prevMapAction = new QAction(tr("Next map"), this);
+		_prevMapAction->setShortcut(PREV_MAP_SHORTCUT);
+		connect(_prevMapAction, SIGNAL(triggered()), this, SLOT(prevMap()));
+		addAction(_prevMapAction);
 	}
 
 	// Settings actions
 	_showGraphsAction = new QAction(tr("Show graphs"), this);
 	_showGraphsAction->setCheckable(true);
-	_showGraphsAction->setChecked(true);
+	_showGraphsAction->setShortcut(SHOW_GRAPHS_SHORTCUT);
-	_showGraphsAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_G));
 	connect(_showGraphsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showGraphs(bool)));
+	addAction(_showGraphsAction);
 	_showToolbarsAction = new QAction(tr("Show toolbars"), this);
 	_showToolbarsAction->setCheckable(true);
-	_showToolbarsAction->setChecked(true);
 	connect(_showToolbarsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showToolbars(bool)));
 	QActionGroup *ag = new QActionGroup(this);
@@ -237,7 +283,6 @@ void GUI::createActions()
 	_metricUnitsAction = new QAction(tr("Metric"), this);
 	_metricUnitsAction->setCheckable(true);
 	_metricUnitsAction->setActionGroup(ag);
-	_metricUnitsAction->setChecked(true);
 	connect(_metricUnitsAction, SIGNAL(triggered()), this,
 	  SLOT(setMetricUnits()));
 	_imperialUnitsAction = new QAction(tr("Imperial"), this);
@@ -245,6 +290,13 @@ void GUI::createActions()
 	_imperialUnitsAction->setActionGroup(ag);
 	connect(_imperialUnitsAction, SIGNAL(triggered()), this,
 	  SLOT(setImperialUnits()));
+	_fullscreenAction = new QAction(QIcon(QPixmap(FULLSCREEN_ICON)),
+	  tr("Fullscreen mode"), this);
+	_fullscreenAction->setCheckable(true);
+	_fullscreenAction->setShortcut(FULLSCREEN_SHORTCUT);
+	connect(_fullscreenAction, SIGNAL(triggered(bool)), this,
+	  SLOT(showFullscreen(bool)));
+	addAction(_fullscreenAction);
 
 	// Navigation actions
 	_nextAction = new QAction(QIcon(QPixmap(NEXT_FILE_ICON)), tr("Next"), this);
@@ -282,6 +334,8 @@ void GUI::createMenus()
 	_mapMenu = menuBar()->addMenu(tr("Map"));
 	_mapMenu->addActions(_mapActions);
 	_mapMenu->addSeparator();
+	_mapMenu->addAction(_clearMapCacheAction);
+	_mapMenu->addSeparator();
 	_mapMenu->addAction(_showMapAction);
 
 	_poiMenu = menuBar()->addMenu(tr("POI"));
@@ -300,13 +354,14 @@ void GUI::createMenus()
 	_settingsMenu->addSeparator();
 	_settingsMenu->addAction(_showToolbarsAction);
 	_settingsMenu->addAction(_showGraphsAction);
+	_settingsMenu->addSeparator();
+	_settingsMenu->addAction(_fullscreenAction);
 
 	_helpMenu = menuBar()->addMenu(tr("Help"));
 	_helpMenu->addAction(_dataSourcesAction);
 	_helpMenu->addAction(_keysAction);
 	_helpMenu->addSeparator();
 	_helpMenu->addAction(_aboutAction);
-	_helpMenu->addAction(_aboutQtAction);
 }
 
 void GUI::createToolBars()
@@ -340,25 +395,30 @@ void GUI::createToolBars()
 void GUI::createTrackView()
 {
 	_track = new TrackView(this);
-
+#ifdef Q_OS_WIN32
-	if (_showMapAction->isChecked())
+	_track->setFrameShape(QFrame::NoFrame);
-		_track->setMap(_currentMap);
+#endif // Q_OS_WIN32
 }
 
 void GUI::createTrackGraphs()
 {
 	_elevationGraph = new ElevationGraph;
+	_elevationGraph->setFrameShape(QFrame::NoFrame);
 	_speedGraph = new SpeedGraph;
+	_speedGraph->setFrameShape(QFrame::NoFrame);
+	_heartRateGraph = new HeartRateGraph;
+	_heartRateGraph->setFrameShape(QFrame::NoFrame);
 
 	_trackGraphs = new QTabWidget;
-	_trackGraphs->addTab(_elevationGraph, tr("Elevation"));
-	_trackGraphs->addTab(_speedGraph, tr("Speed"));
 	connect(_trackGraphs, SIGNAL(currentChanged(int)), this,
 	  SLOT(graphChanged(int)));
 
 	_trackGraphs->setFixedHeight(200);
 	_trackGraphs->setSizePolicy(
 		QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed));
+#ifdef Q_OS_WIN32
+	_trackGraphs->setDocumentMode(true);
+#endif // Q_OS_WIN32
 }
 
 void GUI::createStatusBar()
@@ -373,6 +433,8 @@ void GUI::createStatusBar()
 	statusBar()->addPermanentWidget(_distanceLabel, 1);
 	statusBar()->addPermanentWidget(_timeLabel, 1);
 	statusBar()->setSizeGripEnabled(false);
+
+	updateStatusBarInfo();
 }
 
 void GUI::about()
@@ -380,8 +442,10 @@ void GUI::about()
 	QMessageBox msgBox(this);
 
 	msgBox.setWindowTitle(tr("About GPXSee"));
-	msgBox.setText(QString("<h3>") + QString(APP_NAME " " APP_VERSION)
+	msgBox.setText(QString("<h2>") + QString(APP_NAME) + QString("</h2><p>")
-	  + QString("</h3><p>") + tr("GPX viewer and analyzer") + QString("<p/>"));
+	  + QString("<p>") + tr("Version ") + APP_VERSION + QString(" (")
+	  + CPU_ARCH + QString(", Qt ") + QString(QT_VERSION_STR)
+	  + QString(")</p>"));
 	msgBox.setInformativeText(QString("<table width=\"300\"><tr><td>")
 	  + tr("GPXSee is distributed under the terms of the GNU General Public "
 	  "License version 3. For more info about GPXSee visit the project "
@@ -406,9 +470,14 @@ void GUI::keys()
 	  + QString("</td><td><i>SPACE</i></td></tr><tr><td>") + tr("Previous file")
 	  + QString("</td><td><i>BACKSPACE</i></td></tr><tr><td>")
 	  + tr("First file") + QString("</td><td><i>HOME</i></td></tr><tr><td>")
-	  + tr("Last file") + QString("</td><td><i>END</i></td></tr><tr><td></td>"
+	  + tr("Last file") + QString("</td><td><i>END</i></td></tr><tr><td>")
-	  "<td></td></tr><tr><td>") + tr("Append modifier")
+	  + tr("Append modifier") + QString("</td><td><i>SHIFT</i></td></tr>"
-	  + QString("</td><td><i>SHIFT</i></td></tr></table></div>"));
+	  "<tr><td></td><td></td></tr><tr><td>")
+	  + tr("Next map") + QString("</td><td><i>")
+	  + _nextMapAction->shortcut().toString() + QString("</i></td></tr><tr><td>")
+	  + tr("Previous map") + QString("</td><td><i>")
+	  + _prevMapAction->shortcut().toString() + QString("</i></td></tr>"
+	  "</table></div>"));
 
 	msgBox.exec();
 }
@@ -423,8 +492,7 @@ void GUI::dataSources()
 	  QString("<h4>") + tr("Map sources") + QString("</h4><p>")
 	  + tr("Map (tiles) source URLs are read on program startup from the "
 		"following file:")
-		+ QString("</p><p><code>") + QDir::homePath()
+		+ QString("</p><p><code>") + USER_MAP_FILE + QString("</code></p><p>")
-		  + QString("/" MAP_LIST_FILE "</code></p><p>")
 		+ tr("The file format is one map entry per line, consisting of the map "
 		  "name and tiles URL delimited by a TAB character. The tile X and Y "
 		  "coordinates are replaced with $x and $y in the URL and the zoom "
@@ -435,8 +503,7 @@ void GUI::dataSources()
 	  + QString("<h4>") + tr("POIs") + QString("</h4><p>")
 	  + tr("To make GPXSee load a POI file automatically on startup, add "
 		"the file to the following directory:")
-		+ QString("</p><p><code>") + QDir::homePath()
+		+ QString("</p><p><code>") + USER_POI_DIR + QString("</code></p>")
-		+ QString("/" POI_DIR "</code></p>")
 	);
 
 	msgBox.exec();
@@ -454,21 +521,29 @@ void GUI::openFile()
 
 bool GUI::openFile(const QString &fileName)
 {
+	bool ret = true;
+
 	if (fileName.isEmpty() || _files.contains(fileName))
 		return false;
 
 	if (loadFile(fileName)) {
 		_files.append(fileName);
 		_browser->setCurrent(fileName);
-		updateStatusBarInfo();
 		_fileActionGroup->setEnabled(true);
 		_navigationActionGroup->setEnabled(true);
-		updateNavigationActions();
-		return true;
 	} else {
-		updateNavigationActions();
+		if (_files.isEmpty())
-		return false;
+			_fileActionGroup->setEnabled(false);
+		ret = false;
 	}
+
+	updateNavigationActions();
+	updateStatusBarInfo();
+	updateWindowTitle();
+	updateGraphTabs();
+	updateTrackView();
+
+	return ret;
 }
 
 bool GUI::loadFile(const QString &fileName)
@@ -478,9 +553,13 @@ bool GUI::loadFile(const QString &fileName)
 	if (gpx.loadFile(fileName)) {
 		_elevationGraph->loadGPX(gpx);
 		_speedGraph->loadGPX(gpx);
+		_heartRateGraph->loadGPX(gpx);
+		updateGraphTabs();
+		_track->setHidden(false);
 		_track->loadGPX(gpx);
 		if (_showPOIAction->isChecked())
 			_track->loadPOI(_poi);
+		_track->movePositionMarker(_sliderPos);
 
 		for (int i = 0; i < gpx.trackCount(); i++) {
 			_distance += gpx.track(i).distance();
@@ -504,22 +583,34 @@ bool GUI::loadFile(const QString &fileName)
 
 void GUI::openPOIFile()
 {
-	QString fileName = QFileDialog::getOpenFileName(this, tr("Open POI file"),
+	QStringList files = QFileDialog::getOpenFileNames(this, tr("Open POI file"),
 	  QString(), tr("GPX files (*.gpx);;CSV files (*.csv);;All files (*)"));
+	QStringList list = files;
+
+	for (QStringList::Iterator it = list.begin(); it != list.end(); it++)
+		openPOIFile(*it);
+}
+
+bool GUI::openPOIFile(const QString &fileName)
+{
+	if (fileName.isEmpty())
+		return false;
 
-	if (!fileName.isEmpty()) {
 	if (!_poi.loadFile(fileName)) {
 		QString error = tr("Error loading POI file:\n%1")
 		  .arg(_poi.errorString()) + QString("\n");
 		if (_poi.errorLine())
 			error.append(tr("Line: %1").arg(_poi.errorLine()));
 		QMessageBox::critical(this, tr("Error"), error);
+
+		return false;
 	} else {
 		_showPOIAction->setChecked(true);
 		_track->loadPOI(_poi);
 		_poiFilesMenu->addAction(createPOIFileAction(
 		  _poi.files().indexOf(fileName)));
-		}
+
+		return true;
 	}
 }
 
@@ -599,8 +690,6 @@ void GUI::saveFile(const QString &fileName)
 	}
 	scene.addItem(&info);
 	scene.render(&p, QRectF(0, 0, printer.width(), 200));
-
-	p.end();
 }
 
 void GUI::reloadFile()
@@ -611,6 +700,7 @@ void GUI::reloadFile()
 
 	_elevationGraph->clear();
 	_speedGraph->clear();
+	_heartRateGraph->clear();
 	_track->clear();
 
 	for (int i = 0; i < _files.size(); i++) {
@@ -621,26 +711,40 @@ void GUI::reloadFile()
 	}
 
 	updateStatusBarInfo();
+	updateWindowTitle();
+	updateGraphTabs();
+	updateTrackView();
 	if (_files.isEmpty())
 		_fileActionGroup->setEnabled(false);
 	else
 		_browser->setCurrent(_files.last());
 }
 
-void GUI::closeFile()
+void GUI::closeFiles()
 {
 	_distance = 0;
 	_time = 0;
 	_trackCount = 0;
 
+	_sliderPos = 0;
+
 	_elevationGraph->clear();
 	_speedGraph->clear();
+	_heartRateGraph->clear();
 	_track->clear();
 
 	_files.clear();
+}
+
+void GUI::closeAll()
+{
+	closeFiles();
 
 	_fileActionGroup->setEnabled(false);
 	updateStatusBarInfo();
+	updateWindowTitle();
+	updateGraphTabs();
+	updateTrackView();
 }
 
 void GUI::showPOI(bool checked)
@@ -680,10 +784,44 @@ void GUI::showToolbars(bool checked)
 	}
 }
 
+void GUI::showFullscreen(bool checked)
+{
+	if (checked) {
+		_frameStyle = _track->frameStyle();
+		_showGraphs = _showGraphsAction->isChecked();
+
+		statusBar()->hide();
+		menuBar()->hide();
+		showToolbars(false);
+		showGraphs(false);
+		_showGraphsAction->setChecked(false);
+		_track->setFrameStyle(QFrame::NoFrame);
+
+		showFullScreen();
+	} else {
+		statusBar()->show();
+		menuBar()->show();
+		if (_showToolbarsAction->isChecked())
+			showToolbars(true);
+		_showGraphsAction->setChecked(_showGraphs);
+		if (_showGraphsAction->isEnabled())
+			showGraphs(_showGraphs);
+		_track->setFrameStyle(_frameStyle);
+
+		showNormal();
+	}
+}
+
+void GUI::clearMapCache()
+{
+	_currentMap->clearCache();
+	_track->redraw();
+}
+
 void GUI::updateStatusBarInfo()
 {
 	if (_files.count() == 0) {
-		_fileNameLabel->clear();
+		_fileNameLabel->setText(tr("No GPX files loaded"));
 		_distanceLabel->clear();
 		_timeLabel->clear();
 		return;
@@ -692,15 +830,33 @@ void GUI::updateStatusBarInfo()
 	else
 		_fileNameLabel->setText(tr("%1 tracks").arg(_trackCount));
 
-	if (_imperialUnitsAction->isChecked())
+	if (_imperialUnitsAction->isChecked()) {
+		if (_distance < MIINM)
+			_distanceLabel->setText(QString::number(_distance * M2FT, 'f', 0)
+			  + UNIT_SPACE + tr("ft"));
+		else
 			_distanceLabel->setText(QString::number(_distance * M2MI, 'f', 1)
 			  + UNIT_SPACE + tr("mi"));
+	} else {
+		if (_distance < KMINM)
+			_distanceLabel->setText(QString::number(_distance, 'f', 0)
+			  + UNIT_SPACE + tr("m"));
 		else
 			_distanceLabel->setText(QString::number(_distance * M2KM, 'f', 1)
 			  + UNIT_SPACE + tr("km"));
+	}
 	_timeLabel->setText(timeSpan(_time));
 }
 
+void GUI::updateWindowTitle()
+{
+	if (_files.count() == 1)
+		setWindowTitle(QFileInfo(_files.at(0)).fileName()
+		  + QString(" - " APP_NAME));
+	else
+		setWindowTitle(APP_NAME);
+}
+
 void GUI::mapChanged(int index)
 {
 	_currentMap = _maps.at(index);
@@ -709,6 +865,24 @@ void GUI::mapChanged(int index)
 		_track->setMap(_currentMap);
 }
 
+void GUI::nextMap()
+{
+	if (_maps.count() < 2)
+		return;
+	int next = (_maps.indexOf(_currentMap) + 1) % _maps.count();
+	_mapActions.at(next)->setChecked(true);
+	mapChanged(next);
+}
+
+void GUI::prevMap()
+{
+	if (_maps.count() < 2)
+		return;
+	int prev = (_maps.indexOf(_currentMap) + _maps.count() - 1) % _maps.count();
+	_mapActions.at(prev)->setChecked(true);
+	mapChanged(prev);
+}
+
 void GUI::poiFileChecked(int index)
 {
 	_poi.enableFile(_poi.files().at(index),
@@ -719,12 +893,19 @@ void GUI::poiFileChecked(int index)
 		_track->loadPOI(_poi);
 }
 
+void GUI::sliderPositionChanged(qreal pos)
+{
+	_sliderPos = pos;
+	_track->movePositionMarker(_sliderPos);
+}
+
 void GUI::graphChanged(int index)
 {
-	if (_trackGraphs->widget(index) == _elevationGraph)
+	if (index < 0)
-		_elevationGraph->setSliderPosition(_speedGraph->sliderPosition());
+		return;
-	else if (_trackGraphs->widget(index) == _speedGraph)
+
-		_speedGraph->setSliderPosition(_elevationGraph->sliderPosition());
+	GraphView *gv = static_cast<GraphView*>(_trackGraphs->widget(index));
+	gv->setSliderPosition(_sliderPos);
 }
 
 void GUI::updateNavigationActions()
@@ -746,11 +927,49 @@ void GUI::updateNavigationActions()
 	}
 }
 
+void GUI::updateGraphTabs()
+{
+	struct GraphTab tabs[] = {
+	  {_elevationGraph, tr("Elevation")},
+	  {_speedGraph, tr("Speed")},
+	  {_heartRateGraph, tr("Heart rate")}
+	};
+	int index;
+	GraphView *gv;
+
+	for (int i = 0; i < (int)ARRAY_SIZE(tabs); i++) {
+		gv = tabs[i].view;
+		if (!gv->count() && (index = _trackGraphs->indexOf(gv)) >= 0)
+			_trackGraphs->removeTab(index);
+	}
+
+	for (int i = 0; i < (int)ARRAY_SIZE(tabs); i++) {
+		gv = tabs[i].view;
+		if (gv->count() && _trackGraphs->indexOf(gv) < 0)
+			_trackGraphs->insertTab(i, gv, tabs[i].label);
+	}
+
+	if (_trackGraphs->count()) {
+		if (_showGraphsAction->isChecked())
+			_trackGraphs->setHidden(false);
+		_showGraphsAction->setEnabled(true);
+	} else {
+		_trackGraphs->setHidden(true);
+		_showGraphsAction->setEnabled(false);
+	}
+}
+
+void GUI::updateTrackView()
+{
+	_track->setHidden(!(_track->trackCount() + _track->waypointCount()));
+}
+
 void GUI::setMetricUnits()
 {
 	_track->setUnits(Metric);
 	_elevationGraph->setUnits(Metric);
 	_speedGraph->setUnits(Metric);
+	_heartRateGraph->setUnits(Metric);
 	updateStatusBarInfo();
 }
 
@@ -759,6 +978,7 @@ void GUI::setImperialUnits()
 	_track->setUnits(Imperial);
 	_elevationGraph->setUnits(Imperial);
 	_speedGraph->setUnits(Imperial);
+	_heartRateGraph->setUnits(Imperial);
 	updateStatusBarInfo();
 }
 
@@ -768,7 +988,7 @@ void GUI::next()
 	if (file.isNull())
 		return;
 
-	closeFile();
+	closeFiles();
 	openFile(file);
 }
 
@@ -778,7 +998,7 @@ void GUI::prev()
 	if (file.isNull())
 		return;
 
-	closeFile();
+	closeFiles();
 	openFile(file);
 }
 
@@ -788,7 +1008,7 @@ void GUI::last()
 	if (file.isNull())
 		return;
 
-	closeFile();
+	closeFiles();
 	openFile(file);
 }
 
@@ -798,7 +1018,7 @@ void GUI::first()
 	if (file.isNull())
 		return;
 
-	closeFile();
+	closeFiles();
 	openFile(file);
 }
 
@@ -819,11 +1039,129 @@ void GUI::keyPressEvent(QKeyEvent *event)
 		case LAST_KEY:
 			file = _browser->last();
 			break;
+
+		case Qt::Key_Escape:
+			if (_fullscreenAction->isChecked()) {
+				_fullscreenAction->setChecked(false);
+				showFullscreen(false);
+			}
+			break;
 	}
 
 	if (!file.isNull()) {
 		if (!(event->modifiers() & MODIFIER))
-			closeFile();
+			closeFiles();
 		openFile(file);
 	}
 }
+
+void GUI::closeEvent(QCloseEvent *event)
+{
+	writeSettings();
+	event->accept();
+}
+
+void GUI::writeSettings()
+{
+	QSettings settings(APP_NAME, APP_NAME);
+
+	settings.beginGroup(WINDOW_SETTINGS_GROUP);
+	settings.setValue(WINDOW_SIZE_SETTING, size());
+	settings.setValue(WINDOW_POS_SETTING, pos());
+	settings.endGroup();
+
+	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
+	settings.setValue(UNITS_SETTING, _imperialUnitsAction->isChecked()
+	  ? Imperial : Metric);
+	settings.setValue(SHOW_TOOLBARS_SETTING, _showToolbarsAction->isChecked());
+	settings.setValue(SHOW_GRAPHS_SETTING, _showGraphsAction->isChecked());
+	settings.endGroup();
+
+	settings.beginGroup(MAP_SETTINGS_GROUP);
+	if (_currentMap)
+		settings.setValue(CURRENT_MAP_SETTING, _currentMap->name());
+	settings.setValue(SHOW_MAP_SETTING, _showMapAction->isChecked());
+	settings.endGroup();
+
+	settings.beginGroup(POI_SETTINGS_GROUP);
+	settings.setValue(SHOW_POI_SETTING, _showPOIAction->isChecked());
+
+	settings.remove(DISABLED_POI_FILE_SETTINGS_PREFIX);
+	settings.beginWriteArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
+	for (int i = 0, j = 0; i < _poiFilesActions.count(); i++) {
+		if (!_poiFilesActions.at(i)->isChecked()) {
+			settings.setArrayIndex(j++);
+			settings.setValue(DISABLED_POI_FILE_SETTING, _poi.files().at(i));
+		}
+	}
+	settings.endArray();
+	settings.endGroup();
+}
+
+void GUI::readSettings()
+{
+	QSettings settings(APP_NAME, APP_NAME);
+
+	settings.beginGroup(WINDOW_SETTINGS_GROUP);
+	resize(settings.value(WINDOW_SIZE_SETTING, QSize(600, 800)).toSize());
+	move(settings.value(WINDOW_POS_SETTING, QPoint(10, 10)).toPoint());
+	settings.endGroup();
+
+	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
+	if (settings.value(UNITS_SETTING, Metric).toInt() == Imperial) {
+		setImperialUnits();
+		_imperialUnitsAction->setChecked(true);
+	} else
+		_metricUnitsAction->setChecked(true);
+	if (settings.value(SHOW_TOOLBARS_SETTING, true).toBool() == false) {
+		showToolbars(false);
+		_showToolbarsAction->setChecked(false);
+	} else
+		_showToolbarsAction->setChecked(true);
+	if (settings.value(SHOW_GRAPHS_SETTING, true).toBool() == false) {
+		showGraphs(false);
+		_showGraphsAction->setChecked(false);
+	} else
+		_showGraphsAction->setChecked(true);
+	settings.endGroup();
+
+	settings.beginGroup(MAP_SETTINGS_GROUP);
+	if (settings.value(SHOW_MAP_SETTING, true).toBool() == true)
+		_showMapAction->setChecked(true);
+	if (_maps.count()) {
+		int index = mapIndex(settings.value(CURRENT_MAP_SETTING).toString());
+		_mapActions.at(index)->setChecked(true);
+		_currentMap = _maps.at(index);
+		if (_showMapAction->isChecked())
+			_track->setMap(_currentMap);
+	} else
+		_currentMap = 0;
+	settings.endGroup();
+
+	settings.beginGroup(POI_SETTINGS_GROUP);
+	if (settings.value(SHOW_POI_SETTING, false).toBool() == true)
+		_showPOIAction->setChecked(true);
+	for (int i = 0; i < _poiFilesActions.count(); i++)
+		_poiFilesActions.at(i)->setChecked(true);
+	int size = settings.beginReadArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
+	for (int i = 0; i < size; i++) {
+		settings.setArrayIndex(i);
+		int index = _poi.files().indexOf(settings.value(
+		  DISABLED_POI_FILE_SETTING).toString());
+		if (index >= 0) {
+			_poi.enableFile(_poi.files().at(index), false);
+			_poiFilesActions.at(index)->setChecked(false);
+		}
+	}
+	settings.endArray();
+	settings.endGroup();
+}
+
+int GUI::mapIndex(const QString &name)
+{
+	for (int i = 0; i < _maps.count(); i++)
+		if (_maps.at(i)->name() == name)
+			return i;
+
+	return 0;
+}

src/gui.h

@@ -14,8 +14,10 @@ class QAction;
 class QLabel;
 class QSignalMapper;
 class FileBrowser;
+class GraphView;
 class ElevationGraph;
 class SpeedGraph;
+class HeartRateGraph;
 class TrackView;
 class Map;
 
@@ -35,7 +37,7 @@ private slots:
 	void saveFile();
 	void saveAs();
 	void openFile();
-	void closeFile();
+	void closeAll();
 	void reloadFile();
 	void openPOIFile();
 	void closePOIFiles();
@@ -43,6 +45,10 @@ private slots:
 	void showMap(bool checked);
 	void showGraphs(bool checked);
 	void showToolbars(bool checked);
+	void showFullscreen(bool checked);
+	void clearMapCache();
+	void nextMap();
+	void prevMap();
 
 	void mapChanged(int);
 	void graphChanged(int);
@@ -56,8 +62,12 @@ private slots:
 	void setMetricUnits();
 	void setImperialUnits();
 
+	void sliderPositionChanged(qreal pos);
+
 private:
-	void loadFiles();
+	void loadMaps();
+	void loadPOIs();
+	void closeFiles();
 
 	QAction *createPOIFileAction(int index);
 	void createPOIFilesActions();
@@ -69,12 +79,21 @@ private:
 	void createTrackView();
 	void createTrackGraphs();
 
+	bool openPOIFile(const QString &fileName);
 	bool loadFile(const QString &fileName);
 	void saveFile(const QString &fileName);
 	void updateStatusBarInfo();
+	void updateWindowTitle();
 	void updateNavigationActions();
+	void updateGraphTabs();
+	void updateTrackView();
 
 	void keyPressEvent(QKeyEvent * event);
+	void closeEvent(QCloseEvent *event);
+
+	int mapIndex(const QString &name);
+	void readSettings();
+	void writeSettings();
 
 	QMenu *_fileMenu;
 	QMenu *_helpMenu;
@@ -105,6 +124,8 @@ private:
 	QAction *_closePOIAction;
 	QAction *_showPOIAction;
 	QAction *_showMapAction;
+	QAction *_fullscreenAction;
+	QAction *_clearMapCacheAction;
 	QAction *_showGraphsAction;
 	QAction *_showToolbarsAction;
 	QAction *_nextAction;
@@ -113,6 +134,8 @@ private:
 	QAction *_firstAction;
 	QAction *_metricUnitsAction;
 	QAction *_imperialUnitsAction;
+	QAction *_nextMapAction;
+	QAction *_prevMapAction;
 	QList<QAction*> _mapActions;
 	QList<QAction*> _poiFilesActions;
 
@@ -124,6 +147,7 @@ private:
 
 	ElevationGraph *_elevationGraph;
 	SpeedGraph *_speedGraph;
+	HeartRateGraph *_heartRateGraph;
 	TrackView *_track;
 
 	POI _poi;
@@ -137,6 +161,11 @@ private:
 	qreal _distance;
 	qreal _time;
 	int _trackCount;
+
+	qreal _sliderPos;
+
+	int _frameStyle;
+	bool _showGraphs;
 };
 
 #endif // GUI_H

src/heartrategraph.cpp

@@ -0,0 +1,99 @@
+#include "gpx.h"
+#include "heartrategraph.h"
+
+
+HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphView(parent)
+{
+	_units = Metric;
+
+	GraphView::setYUnits(tr("1/min"));
+	setXLabel(tr("Distance"));
+	setYLabel(tr("Heart rate"));
+
+	setSliderPrecision(0);
+}
+
+void HeartRateGraph::addInfo()
+{
+	GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f', 0)
+	  + UNIT_SPACE + yUnits());
+	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(),  'f', 0)
+	  + UNIT_SPACE + yUnits());
+
+	redraw();
+}
+
+void HeartRateGraph::loadGPX(const GPX &gpx)
+{
+	for (int i = 0; i < gpx.trackCount(); i++) {
+		QVector<QPointF> data;
+		qreal sum = 0, w = 0;
+
+		gpx.track(i).heartRateGraph(data);
+		if (data.count() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < data.size(); j++) {
+			sum += data.at(j).y() * (data.at(j).x() - data.at(j-1).x());
+			w += data.at(j).x() - data.at(j-1).x();
+		}
+		_avg.append(QPointF(gpx.track(i).distance(), sum/w));
+
+		loadData(data);
+	}
+
+	setXUnits();
+	addInfo();
+}
+
+qreal HeartRateGraph::avg() const
+{
+	qreal sum = 0, w = 0;
+	QList<QPointF>::const_iterator it;
+
+	for (it = _avg.begin(); it != _avg.end(); it++) {
+		sum += it->y() * it->x();
+		w += it->x();
+	}
+
+	return (sum / w);
+}
+
+void HeartRateGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void HeartRateGraph::setXUnits()
+{
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
+			GraphView::setXUnits(tr("km"));
+			setXScale(M2KM);
+		}
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
+		} else {
+			GraphView::setXUnits(tr("mi"));
+			setXScale(M2MI);
+		}
+	}
+}
+
+void HeartRateGraph::setUnits(enum Units units)
+{
+	_units = units;
+	setXUnits();
+
+	clearInfo();
+	addInfo();
+}

src/heartrategraph.h

@@ -0,0 +1,31 @@
+#ifndef HEARTRATEGRAPH_H
+#define HEARTRATEGRAPH_H
+
+#include "graphview.h"
+#include "units.h"
+
+class GPX;
+
+class HeartRateGraph : public GraphView
+{
+	Q_OBJECT
+
+public:
+	HeartRateGraph(QWidget *parent = 0);
+
+	void loadGPX(const GPX &gpx);
+	void clear();
+	void setUnits(enum Units units);
+
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+
+private:
+	void setXUnits();
+	void addInfo();
+
+	QList<QPointF> _avg;
+	enum Units _units;
+};
+
+#endif // HEARTRATEGRAPH_H

src/icons.h

@@ -1,8 +1,6 @@
 #ifndef ICONS_H
 #define ICONS_H
 
-#include <QtGlobal>
-
 #define APP_ICON         ":/icons/gpxsee.png"
 #define OPEN_FILE_ICON   ":/icons/document-open.png"
 #define SAVE_FILE_ICON   ":/icons/document-save.png"
@@ -16,11 +14,6 @@
 #define PREV_FILE_ICON   ":/icons/arrow-left.png"
 #define LAST_FILE_ICON   ":/icons/arrow-right-double.png"
 #define FIRST_FILE_ICON  ":/icons/arrow-left-double.png"
-
+#define FULLSCREEN_ICON  ":/icons/view-fullscreen.png"
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-#define QT_ICON          ":/trolltech/qmessagebox/images/qtlogo-64.png"
-#else
-#define QT_ICON          ":/qt-project.org/qmessagebox/images/qtlogo-64.png"
-#endif
 
 #endif /* ICONS_H */

src/infoitem.cpp

@@ -65,18 +65,19 @@ void InfoItem::insert(const QString &key, const QString &value)
 	KV kv(key, value);
 	int i;
 
+	prepareGeometryChange();
+
 	if ((i = _list.indexOf(kv)) < 0)
 		_list.append(kv);
 	else
 		_list[i] = kv;
 
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void InfoItem::clear()
 {
+	prepareGeometryChange();
 	_list.clear();
 	updateBoundingRect();
-	prepareGeometryChange();
 }

src/keys.h

@@ -1,10 +1,30 @@
 #ifndef KEYS_H
 #define KEYS_H
 
+#include <Qt>
+#include <QKeySequence>
+
 #define NEXT_KEY              Qt::Key_Space
 #define PREV_KEY              Qt::Key_Backspace
 #define FIRST_KEY             Qt::Key_Home
 #define LAST_KEY              Qt::Key_End
 #define MODIFIER              Qt::ShiftModifier
 
+#define QUIT_SHORTCUT         QKeySequence::Quit
+#define OPEN_SHORTCUT         QKeySequence::Open
+#define SAVE_SHORTCUT         QKeySequence::Save
+#define SAVE_AS_SHORTCUT      QKeySequence::SaveAs
+#define CLOSE_SHORTCUT        QKeySequence::Close
+#define RELOAD_SHORTCUT       QKeySequence::Refresh
+#define SHOW_POI_SHORTCUT     QKeySequence(Qt::CTRL + Qt::Key_P)
+#define SHOW_MAP_SHORTCUT     QKeySequence(Qt::CTRL + Qt::Key_M)
+#define NEXT_MAP_SHORTCUT     QKeySequence::Forward
+#define PREV_MAP_SHORTCUT     QKeySequence::Back
+#define SHOW_GRAPHS_SHORTCUT  QKeySequence(Qt::CTRL + Qt::Key_G)
+#ifdef Q_OS_MAC
+#define FULLSCREEN_SHORTCUT   QKeySequence(Qt::META + Qt::CTRL + Qt::Key_F)
+#else // Q_OS_MAC
+#define FULLSCREEN_SHORTCUT   QKeySequence(Qt::Key_F11)
+#endif // Q_OS_MAC
+
 #endif // KEYS_H

src/main.cpp

@@ -1,28 +1,9 @@
-#include <QApplication>
+#include "app.h"
-#include <QTranslator>
-#include <QLocale>
-#include "gui.h"
-#include "icons.h"
-
 
 int main(int argc, char *argv[])
 {
-	QApplication app(argc, argv);
+	App app(argc, argv);
+	app.run();
 
-	QString locale = QLocale::system().name();
+	return 0;
-	QTranslator translator;
-	translator.load(QString(":/lang/gpxsee_") + locale);
-	app.installTranslator(&translator);
-#ifdef Q_OS_MAC
-	app.setAttribute(Qt::AA_DontShowIconsInMenus);
-#endif // Q_OS_MAC
-
-	GUI gui;
-	gui.setWindowIcon(QIcon(QPixmap(APP_ICON)));
-	gui.show();
-
-	for (int i = 1; i < argc; i++)
-		gui.openFile(argv[i]);
-
-	return app.exec();
 }

src/map.cpp

@@ -15,8 +15,8 @@ Map::Map(QObject *parent, const QString &name, const QString &url)
 	connect(&Downloader::instance(), SIGNAL(finished()), this,
 	  SLOT(emitLoaded()));
 
-	QString path = QString(TILES_DIR"/") + _name;
+	QString path = TILES_DIR + QString("/") + _name;
-	if (!QDir::home().mkpath(path))
+	if (!QDir().mkpath(path))
 		fprintf(stderr, "Error creating tiles dir: %s\n", qPrintable(path));
 }
 
@@ -31,9 +31,8 @@ void Map::loadTiles(QList<Tile> &list)
 
 	for (int i = 0; i < list.size(); ++i) {
 		Tile &t = list[i];
-		QString file = QString("%1/" TILES_DIR "/%2/%3-%4-%5")
+		QString file = TILES_DIR + QString("/%1/%2-%3-%4")
-		  .arg(QDir::homePath()).arg(_name).arg(t.zoom()).arg(t.xy().rx())
+		  .arg(_name).arg(t.zoom()).arg(t.xy().rx()).arg(t.xy().ry());
-		  .arg(t.xy().ry());
 		QFileInfo fi(file);
 
 		if (fi.exists()) {
@@ -55,3 +54,13 @@ void Map::loadTiles(QList<Tile> &list)
 	if (!dl.empty())
 		Downloader::instance().get(dl);
 }
+
+void Map::clearCache()
+{
+	QString path = TILES_DIR + QString("/") + _name;
+	QDir dir = QDir(path);
+	QStringList list = dir.entryList();
+
+	for (int i = 0; i < list.count(); i++)
+		dir.remove(list.at(i));
+}

src/map.h

@@ -24,15 +24,16 @@ class Map : public QObject
 {
 	Q_OBJECT
 
-signals:
-	void loaded();
-
 public:
 	Map(QObject *parent = 0, const QString &name = QString(),
 	  const QString &url = QString());
 
 	const QString &name() const {return _name;}
 	void loadTiles(QList<Tile> &list);
+	void clearCache();
+
+signals:
+	void loaded();
 
 private slots:
 	void emitLoaded();

src/parser.cpp

@@ -5,16 +5,18 @@ void Parser::handleExtensionData(QStringRef element, const QString &value)
 {
 	if (element == "speed")
 		_track->last().speed = value.toDouble();
+	else if (element == "hr" || element == "heartrate")
+		_track->last().heartRate = value.toDouble();
 }
 
 void Parser::handleTrekPointData(QStringRef element, const QString &value)
 {
 	if (element == "ele")
 		_track->last().elevation = value.toLatin1().toDouble();
-	if (element == "time")
+	else if (element == "time")
 		_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
 		  Qt::ISODate);
-	if (element == "geoidheight")
+	else if (element == "geoidheight")
 		_track->last().geoidheight = value.toLatin1().toDouble();
 }
 
@@ -37,11 +39,24 @@ void Parser::handleWayPointAttributes(const QXmlStreamAttributes &attr)
 	  attr.value("lat").toLatin1().toDouble()));
 }
 
+void Parser::tpExtension()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "hr")
+			handleExtensionData(_reader.name(), _reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
 void Parser::extensions()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "speed")
+		if (_reader.name() == "speed" || _reader.name() == "hr"
+		  || _reader.name() == "heartrate")
 			handleExtensionData(_reader.name(), _reader.readElementText());
+		else if (_reader.name() == "TrackPointExtension")
+			tpExtension();
 		else
 			_reader.skipCurrentElement();
 	}

src/parser.h

@@ -22,6 +22,7 @@ private:
 	void gpx();
 	void track();
 	void trackPoints();
+	void tpExtension();
 	void extensions();
 	void trackPointData();
 	void wayPointData();

src/range.cpp

@@ -0,0 +1,15 @@
+#include "range.h"
+
+void RangeF::resize(qreal size)
+{
+	qreal adj = (size/2 - this->size()/2);
+
+	_min -= adj;
+	_max += adj;
+}
+
+QDebug operator<<(QDebug dbg, const RangeF &range)
+{
+	dbg.nospace() << "RangeF(" << range.min() << ", " << range.max() << ")";
+	return dbg.maybeSpace();
+}

src/range.h

@@ -0,0 +1,25 @@
+#ifndef RANGE_H
+#define RANGE_H
+
+#include <QtGlobal>
+#include <QDebug>
+
+class RangeF
+{
+public:
+	RangeF() {_min = 0; _max = 0;}
+	RangeF(qreal min, qreal max) {_min = min, _max = max;}
+
+	qreal min() const {return _min;}
+	qreal max() const {return _max;}
+	qreal size() const {return (_max - _min);}
+
+	void resize(qreal size);
+
+private:
+	qreal _min, _max;
+};
+
+QDebug operator<<(QDebug dbg, const RangeF &range);
+
+#endif // RANGE_H

src/scaleitem.cpp

@@ -114,24 +114,24 @@ void ScaleItem::computeScale()
 
 void ScaleItem::setLatitude(qreal lat)
 {
+	prepareGeometryChange();
 	_lat = lat;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void ScaleItem::setZoom(int z)
 {
+	prepareGeometryChange();
 	_zoom = z;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void ScaleItem::setUnits(enum Units units)
 {
+	prepareGeometryChange();
 	_units = units;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }

src/settings.h

@@ -0,0 +1,22 @@
+#ifndef SETTINGS_H
+#define SETTINGS_H
+
+#define WINDOW_SETTINGS_GROUP             "Window"
+#define WINDOW_SIZE_SETTING               "size"
+#define WINDOW_POS_SETTING	              "pos"
+
+#define SETTINGS_SETTINGS_GROUP           "Settings"
+#define UNITS_SETTING	                  "units"
+#define SHOW_TOOLBARS_SETTING             "toolbar"
+#define SHOW_GRAPHS_SETTING	              "graphs"
+
+#define MAP_SETTINGS_GROUP                "Map"
+#define CURRENT_MAP_SETTING	              "map"
+#define SHOW_MAP_SETTING                  "show"
+
+#define POI_SETTINGS_GROUP	              "POI"
+#define SHOW_POI_SETTING                  "show"
+#define DISABLED_POI_FILE_SETTINGS_PREFIX "disabled"
+#define DISABLED_POI_FILE_SETTING         "file"
+
+#endif // SETTINGS_H

src/sliderinfoitem.cpp

@@ -7,6 +7,7 @@
 
 SliderInfoItem::SliderInfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
+	_side = Right;
 }
 
 void SliderInfoItem::updateBoundingRect()
@@ -16,7 +17,10 @@ void SliderInfoItem::updateBoundingRect()
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
 
-	_boundingRect = QRectF(-SIZE/2, 0, fm.width(_text) + SIZE, fm.height());
+	_boundingRect = (_side == Right)
+		? QRectF(-SIZE/2, 0, fm.width(_text) + SIZE, fm.height())
+		: QRectF(-(fm.width(_text) + SIZE/2), 0, fm.width(_text) + SIZE,
+		  fm.height());
 }
 
 void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
@@ -31,7 +35,11 @@ void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
 	painter->setFont(font);
 
 	painter->setPen(Qt::red);
+	if (_side == Right)
 		painter->drawText(SIZE, fm.height() - fm.descent(), _text);
+	else
+		painter->drawText(-(fm.width(_text) + SIZE/2),
+		  fm.height() - fm.descent(), _text);
 	painter->drawLine(QPointF(-SIZE/2, 0), QPointF(SIZE/2, 0));
 
 	//painter->drawRect(boundingRect());
@@ -39,7 +47,17 @@ void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
 
 void SliderInfoItem::setText(const QString &text)
 {
+	prepareGeometryChange();
 	_text = text;
 	updateBoundingRect();
-	prepareGeometryChange();
+}
+
+void SliderInfoItem::setSide(Side side)
+{
+	if (side == _side)
+		return;
+
+	prepareGeometryChange();
+	_side = side;
+	updateBoundingRect();
 }

src/sliderinfoitem.h

@@ -6,6 +6,8 @@
 class SliderInfoItem : public QGraphicsItem
 {
 public:
+	enum Side {Left, Right};
+
 	SliderInfoItem(QGraphicsItem *parent = 0);
 
 	QRectF boundingRect() const {return _boundingRect;}
@@ -13,10 +15,12 @@ public:
 	  QWidget *widget);
 
 	void setText(const QString &text);
+	void setSide(Side side);
 
 private:
 	void updateBoundingRect();
 
+	Side _side;
 	QString _text;
 	QRectF _boundingRect;
 };

src/slideritem.cpp

@@ -41,7 +41,7 @@ QVariant SliderItem::itemChange(GraphicsItemChange change, const QVariant &value
 		}
 	}
 
-	if (change == ItemPositionHasChanged)
+	if (change == ItemPositionHasChanged && scene())
 		emit positionChanged(value.toPointF());
 
 	return QGraphicsItem::itemChange(change, value);
@@ -52,3 +52,9 @@ void SliderItem::clear()
 	_area = QRectF();
 	setPos(QPointF());
 }
+
+void SliderItem::setArea(const QRectF &area)
+{
+	prepareGeometryChange();
+	_area = area;
+}

src/slideritem.h

@@ -15,7 +15,7 @@ public:
 	  QWidget *widget);
 
 	const QRectF &area() const {return _area;}
-	void setArea(const QRectF &area) {_area = area;}
+	void setArea(const QRectF &area);
 
 	void clear();
 

src/speedgraph.cpp

@@ -5,45 +5,44 @@
 
 SpeedGraph::SpeedGraph(QWidget *parent) : GraphView(parent)
 {
-	_max = 0;
+	_units = Metric;
 
-	GraphView::setXLabel(tr("Distance"));
+	setYUnits();
-	GraphView::setYLabel(tr("Speed"));
+	setXLabel(tr("Distance"));
-	GraphView::setXUnits(tr("km"));
+	setYLabel(tr("Speed"));
-	GraphView::setYUnits(tr("km/h"));
+
-	GraphView::setXScale(M2KM);
+	setSliderPrecision(1);
-	GraphView::setYScale(MS2KMH);
-	GraphView::setPrecision(1);
 }
 
 void SpeedGraph::addInfo()
 {
-	GraphView::addInfo(tr("Average"), QString::number(avg() * _yScale, 'f', 1)
+	GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f', 1)
-	  + UNIT_SPACE + _yUnits);
+	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Maximum"), QString::number(_max * _yScale,  'f', 1)
+	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(),  'f', 1)
-	  + UNIT_SPACE + _yUnits);
+	  + UNIT_SPACE + yUnits());
+
+	redraw();
 }
 
 void SpeedGraph::loadGPX(const GPX &gpx)
 {
 	for (int i = 0; i < gpx.trackCount(); i++) {
 		QVector<QPointF> data;
-		qreal max = 0;
 
 		gpx.track(i).speedGraph(data);
-		if (data.isEmpty())
+		if (data.count() < 2) {
+			skipColor();
 			continue;
+		}
 
 		_avg.append(QPointF(gpx.track(i).distance(), gpx.track(i).distance()
 		  / gpx.track(i).time()));
 
-		for (int i = 0; i < data.size(); i++)
-			max = qMax(max, data.at(i).y());
-		_max = qMax(_max, max);
-
-		addInfo();
 		loadData(data);
 	}
+
+	setXUnits();
+	addInfo();
 }
 
 qreal SpeedGraph::avg() const
@@ -61,28 +60,49 @@ qreal SpeedGraph::avg() const
 
 void SpeedGraph::clear()
 {
-	_max = 0;
 	_avg.clear();
 
 	GraphView::clear();
 }
 
-void SpeedGraph::setUnits(enum Units units)
+void SpeedGraph::setXUnits()
 {
-	if (units == Metric) {
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
 			GraphView::setXUnits(tr("km"));
-		GraphView::setYUnits(tr("km/h"));
+			setXScale(M2KM);
-		GraphView::setXScale(M2KM);
+		}
-		GraphView::setYScale(MS2KMH);
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
 		} else {
 			GraphView::setXUnits(tr("mi"));
-		GraphView::setYUnits(tr("mi/h"));
+			setXScale(M2MI);
-		GraphView::setXScale(M2MI);
-		GraphView::setYScale(MS2MIH);
 		}
+	}
+}
+
+void SpeedGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("km/h"));
+		setYScale(MS2KMH);
+	} else {
+		GraphView::setYUnits(tr("mi/h"));
+		setYScale(MS2MIH);
+	}
+}
+
+void SpeedGraph::setUnits(enum Units units)
+{
+	_units = units;
+	setXUnits();
+	setYUnits();
 
 	clearInfo();
 	addInfo();
-
-	redraw();
 }

src/speedgraph.h

@@ -19,13 +19,15 @@ public:
 	void setUnits(enum Units units);
 
 	qreal avg() const;
-	qreal max() const {return _max;}
+	qreal max() const {return bounds().bottom();}
 
 private:
+	void setXUnits();
+	void setYUnits();
 	void addInfo();
 
-	qreal _max;
 	QList<QPointF> _avg;
+	enum Units _units;
 };
 
 #endif // SPEEDGRAPH_H

src/track.cpp

@@ -1,11 +1,12 @@
-#include <cmath>
 #include "ll.h"
 #include "track.h"
 
 
 #define WINDOW_EF 3
 #define WINDOW_SE 11
-#define WINDOW_SF 11
+#define WINDOW_SF 7
+#define WINDOW_HE 11
+#define WINDOW_HF 3
 
 static bool lt(const QPointF &p1, const QPointF &p2)
 {
@@ -78,6 +79,18 @@ static QVector<QPointF> filter(const QVector<QPointF> &v, int window)
 	return ret;
 }
 
+Track::Track(const QVector<Trackpoint> &data) : _data(data)
+{
+	_distance = 0;
+
+	for (int i = 1; i < _data.count(); i++)
+		_dd.append(llDistance(_data.at(i).coordinates,
+		  _data.at(i-1).coordinates));
+
+	for (int i = 0; i < _dd.size(); i++)
+		_distance += _dd.at(i);
+}
+
 void Track::elevationGraph(QVector<QPointF> &graph) const
 {
 	qreal dist = 0;
@@ -86,12 +99,12 @@ void Track::elevationGraph(QVector<QPointF> &graph) const
 	if (!_data.size())
 		return;
 
-	if (isnan(_data.at(0).elevation))
+	if (!_data.at(0).hasElevation())
 		return;
-	raw.append(QPointF(0, _data.at(0).elevation));
+	raw.append(QPointF(0, _data.at(0).elevation - _data.at(0).geoidheight));
 	for (int i = 1; i < _data.size(); i++) {
-		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
+		dist += _dd.at(i-1);
-		if (isnan(_data.at(i).elevation))
+		if (!_data.at(i).hasElevation())
 			return;
 		raw.append(QPointF(dist,  _data.at(i).elevation
 		  - _data.at(i).geoidheight));
@@ -110,11 +123,11 @@ void Track::speedGraph(QVector<QPointF> &graph) const
 
 	raw.append(QPointF(0, 0));
 	for (int i = 1; i < _data.size(); i++) {
-		ds = llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
+		ds = _dd.at(i-1);
 		dt = _data.at(i-1).timestamp.msecsTo(_data.at(i).timestamp) / 1000.0;
 		dist += ds;
 
-		if (isnan(_data.at(i).speed)) {
+		if (!_data.at(i).hasSpeed()) {
 			if (dt == 0)
 				continue;
 			v = ds / dt;
@@ -127,22 +140,33 @@ void Track::speedGraph(QVector<QPointF> &graph) const
 	graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
 }
 
+void Track::heartRateGraph(QVector<QPointF> &graph) const
+{
+	qreal dist = 0;
+	QVector<QPointF> raw;
+
+	if (!_data.size())
+		return;
+
+	if (!_data.at(0).hasHeartRate())
+		return;
+	raw.append(QPointF(0, _data.at(0).heartRate));
+	for (int i = 1; i < _data.count(); i++) {
+		if (!_data.at(i).hasHeartRate())
+			return;
+		dist += _dd.at(i-1);
+		raw.append(QPointF(dist, _data.at(i).heartRate));
+	}
+
+	graph = filter(eliminate(raw, WINDOW_HE), WINDOW_HF);
+}
+
 void Track::track(QVector<QPointF> &track) const
 {
 	for (int i = 0; i < _data.size(); i++)
 		track.append(_data.at(i).coordinates);
 }
 
-qreal Track::distance() const
-{
-	qreal dist = 0;
-
-	for (int i = 1; i < _data.size(); i++)
-		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
-
-	return dist;
-}
-
 qreal Track::time() const
 {
 	if (_data.size() < 2)

src/track.h

@@ -8,17 +8,20 @@
 class Track
 {
 public:
-	Track(const QVector<Trackpoint> &data) : _data(data) {}
+	Track(const QVector<Trackpoint> &data);
 
 	void elevationGraph(QVector<QPointF> &graph) const;
 	void speedGraph(QVector<QPointF> &graph) const;
+	void heartRateGraph(QVector<QPointF> &graph) const;
 	void track(QVector<QPointF> &track) const;
-	qreal distance() const;
+	qreal distance() const {return _distance;}
 	qreal time() const;
 	QDateTime date() const;
 
 private:
 	const QVector<Trackpoint> &_data;
+	QVector<qreal> _dd;
+	qreal _distance;
 };
 
 #endif // TRACK_H

src/trackpoint.h

@@ -5,15 +5,26 @@
 #include <QDateTime>
 #include <cmath>
 
-struct Trackpoint
+class Trackpoint
 {
+public:
+	Trackpoint() {
+		elevation = NAN;
+		geoidheight = 0;
+		speed = NAN;
+		heartRate = NAN;
+	}
+
+	bool hasElevation() const {return !std::isnan(elevation);}
+	bool hasSpeed() const {return !std::isnan(speed);}
+	bool hasHeartRate() const {return !std::isnan(heartRate);}
+
 	QPointF coordinates;
 	QDateTime timestamp;
 	qreal elevation;
 	qreal geoidheight;
 	qreal speed;
-
+	qreal heartRate;
-	Trackpoint() {elevation = NAN; geoidheight = 0; speed = NAN;}
 };
 
 #endif // TRACKPOINT_H

src/trackview.cpp

@@ -34,7 +34,8 @@ TrackView::TrackView(QWidget *parent)
 	_zoom = ZOOM_MAX;
 	_scale = mapScale(_zoom);
 	_map = 0;
-	_maxLen = 0;
+	_maxPath = 0;
+	_maxDistance = 0;
 }
 
 TrackView::~TrackView()
@@ -49,8 +50,10 @@ void TrackView::addTrack(const QVector<QPointF> &track)
 	MarkerItem *mi;
 
 
-	if (track.size() < 2)
+	if (track.size() < 2) {
+		_palette.color();
 		return;
+	}
 
 	_tracks.append(track);
 
@@ -61,8 +64,7 @@ void TrackView::addTrack(const QVector<QPointF> &track)
 		path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
 	}
 
-	_maxLen = qMax(path.length(), _maxLen);
+	_maxPath = qMax(path.length(), _maxPath);
-
 
 	pi = new QGraphicsPathItem(path);
 	_paths.append(pi);
@@ -108,6 +110,7 @@ void TrackView::loadGPX(const GPX &gpx)
 		QVector<QPointF> track;
 		gpx.track(i).track(track);
 		addTrack(track);
+		_maxDistance = qMax(gpx.track(i).distance(), _maxDistance);
 	}
 
 	addWaypoints(gpx.waypoints());
@@ -305,6 +308,13 @@ void TrackView::redraw()
 	resetCachedContent();
 }
 
+void TrackView::rescale()
+{
+	_zoom = qMin(scale2zoom(trackScale()), scale2zoom(waypointScale()));
+	rescale(mapScale(_zoom));
+	_mapScale->setZoom(_zoom);
+}
+
 void TrackView::wheelEvent(QWheelEvent *event)
 {
 	if (_paths.isEmpty() && _locations.isEmpty())
@@ -403,7 +413,8 @@ void TrackView::clear()
 	_tracks.clear();
 	_waypoints.clear();
 
-	_maxLen = 0;
+	_maxPath = 0;
+	_maxDistance = 0;
 	_zoom = ZOOM_MAX;
 	_scale = mapScale(_zoom);
 
@@ -412,11 +423,17 @@ void TrackView::clear()
 
 void TrackView::movePositionMarker(qreal val)
 {
+	qreal mp = val / _maxDistance;
+
 	for (int i = 0; i < _paths.size(); i++) {
-		qreal f = _maxLen / _paths.at(i)->path().length();
+		qreal f = _maxPath / _paths.at(i)->path().length();
-		QPointF pos = _paths.at(i)->path().pointAtPercent(qMin(val * f,
+		if (mp * f < 0 || mp * f > 1.0)
-		  1.0));
+			_markers.at(i)->setVisible(false);
+		else {
+			QPointF pos = _paths.at(i)->path().pointAtPercent(mp * f);
 			_markers.at(i)->setPos(pos);
+			_markers.at(i)->setVisible(true);
+		}
 	}
 }
 
@@ -457,6 +474,8 @@ void TrackView::resizeEvent(QResizeEvent *e)
 	if (_paths.isEmpty() && _locations.isEmpty())
 		return;
 
+	rescale();
+
 	QRectF br = trackBoundingRect() | waypointBoundingRect();
 	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
 

src/trackview.h

@@ -37,10 +37,11 @@ public:
 	void plot(QPainter *painter, const QRectF &target);
 	enum QPrinter::Orientation orientation() const;
 
+	int trackCount() const {return _paths.count();}
+	int waypointCount() const {return _locations.count();}
+
 public slots:
 	void movePositionMarker(qreal val);
-
-private slots:
 	void redraw();
 
 private:
@@ -54,6 +55,7 @@ private:
 	qreal waypointScale() const;
 	qreal mapScale(int zoom) const;
 	void rescale(qreal scale);
+	void rescale();
 
 	void showMarkers(bool show);
 	void setTrackLineWidth(qreal width);
@@ -75,7 +77,7 @@ private:
 	ScaleItem *_mapScale;
 
 	Palette _palette;
-	qreal _maxLen;
+	qreal _maxPath, _maxDistance;
 
 	qreal _scale;
 	int _zoom;

src/units.h

@@ -13,8 +13,9 @@ enum Units {
 #define MS2MIH  2.236936290000  // m/s -> mi/h
 #define FT2MI   0.000189393939  // ft -> mi
 
-#define MIINFT  5280 // 1 mi in ft
 #define KMINM   1000     // 1 km in m
+#define MIINFT  5280     // 1 mi in ft
+#define MIINM   1609.344 // 1mi in m
 
 #ifdef Q_OS_WIN32
 #define UNIT_SPACE     " "