Fixed crash on GPX files with empty tracks/routes

Some more refactoring.

gpxsee.pro

@@ -1,5 +1,5 @@
 TARGET = GPXSee
-VERSION = 2.16
+VERSION = 2.19
 QT += core \
     gui \
     network
@@ -27,9 +27,7 @@ HEADERS += src/config.h \
     src/downloader.h \
     src/units.h \
     src/scaleitem.h \
-    src/nicenum.h \
     src/waypoint.h \
-    src/trackview.h \
     src/track.h \
     src/graphview.h \
     src/trackpoint.h \
@@ -44,7 +42,17 @@ HEADERS += src/config.h \
     src/exportdialog.h \
     src/fileselectwidget.h \
     src/margins.h \
-    src/temperaturegraph.h
+    src/temperaturegraph.h \
+    src/graphtab.h \
+    src/misc.h \
+    src/trackitem.h \
+    src/tooltip.h \
+    src/route.h \
+    src/routeitem.h \
+    src/graphitem.h \
+    src/graph.h \
+    src/pathitem.h \
+    src/pathview.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/gpx.cpp \
@@ -63,8 +71,6 @@ SOURCES += src/main.cpp \
     src/maplist.cpp \
     src/downloader.cpp \
     src/scaleitem.cpp \
-    src/nicenum.cpp \
-    src/trackview.cpp \
     src/track.cpp \
     src/graphview.cpp \
     src/waypointitem.cpp \
@@ -76,7 +82,16 @@ SOURCES += src/main.cpp \
     src/exportdialog.cpp \
     src/fileselectwidget.cpp \
     src/temperaturegraph.cpp \
-    src/trackpoint.cpp
+    src/trackpoint.cpp \
+    src/misc.cpp \
+    src/waypoint.cpp \
+    src/trackitem.cpp \
+    src/tooltip.cpp \
+    src/route.cpp \
+    src/routeitem.cpp \
+    src/graphitem.cpp \
+    src/pathitem.cpp \
+    src/pathview.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts
 macx {

gpxsee.qrc

@@ -14,6 +14,7 @@
         <file>icons/arrow-left-double.png</file>
         <file>icons/arrow-right-double.png</file>
         <file>icons/view-fullscreen.png</file>
+        <file>icons/office-chart-line-stacked.png</file>
         <file>lang/gpxsee_cs.qm</file>
     </qresource>
 </RCC>

lang/gpxsee_cs.ts

@@ -1,57 +1,41 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.0" language="cs_CZ">
+<TS version="2.1" language="cs_CZ">
 <context>
     <name>ElevationGraph</name>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="14"/>
-        <source>Distance</source>
-        <translation>Vzdálenost</translation>
-    </message>
-    <message>
-        <location filename="../src/elevationgraph.cpp" line="15"/>
+        <location filename="../src/elevationgraph.cpp" line="48"/>
+        <location filename="../src/elevationgraph.h" line="16"/>
         <source>Elevation</source>
         <translation>Výška</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="81"/>
-        <source>km</source>
-        <translation>km</translation>
-    </message>
-    <message>
-        <location filename="../src/elevationgraph.cpp" line="78"/>
-        <location filename="../src/elevationgraph.cpp" line="98"/>
+        <location filename="../src/elevationgraph.cpp" line="141"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="22"/>
+        <location filename="../src/elevationgraph.cpp" line="58"/>
         <source>Ascent</source>
         <translation>Stoupání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="24"/>
+        <location filename="../src/elevationgraph.cpp" line="60"/>
         <source>Descent</source>
         <translation>Klesání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="28"/>
+        <location filename="../src/elevationgraph.cpp" line="64"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="89"/>
-        <source>mi</source>
-        <translation>mi</translation>
-    </message>
-    <message>
-        <location filename="../src/elevationgraph.cpp" line="86"/>
-        <location filename="../src/elevationgraph.cpp" line="101"/>
+        <location filename="../src/elevationgraph.cpp" line="144"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="26"/>
+        <location filename="../src/elevationgraph.cpp" line="62"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
@@ -162,17 +146,17 @@
 <context>
     <name>GUI</name>
     <message>
-        <location filename="../src/gui.cpp" line="464"/>
+        <location filename="../src/gui.cpp" line="513"/>
         <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="528"/>
+        <location filename="../src/gui.cpp" line="577"/>
         <source>Open file</source>
         <translation>Otevřít soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="606"/>
+        <location filename="../src/gui.cpp" line="658"/>
         <source>Open POI file</source>
         <translation>Otevřít POI soubor</translation>
     </message>
@@ -188,8 +172,8 @@
     </message>
     <message>
         <location filename="../src/gui.cpp" line="196"/>
-        <location filename="../src/gui.cpp" line="480"/>
-        <location filename="../src/gui.cpp" line="481"/>
+        <location filename="../src/gui.cpp" line="529"/>
+        <location filename="../src/gui.cpp" line="530"/>
         <source>Keyboard controls</source>
         <translation>Ovládací klávesy</translation>
     </message>
@@ -204,20 +188,20 @@
         <translation>Znovu načíst</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="382"/>
+        <location filename="../src/gui.cpp" line="446"/>
         <source>Show</source>
         <translation>Zobrazit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="323"/>
-        <location filename="../src/gui.cpp" line="376"/>
+        <location filename="../src/gui.cpp" line="370"/>
+        <location filename="../src/gui.cpp" line="440"/>
         <source>File</source>
         <translation>Soubor</translation>
     </message>
     <message>
         <location filename="../src/gui.cpp" line="194"/>
-        <location filename="../src/gui.cpp" line="503"/>
-        <location filename="../src/gui.cpp" line="504"/>
+        <location filename="../src/gui.cpp" line="552"/>
+        <location filename="../src/gui.cpp" line="553"/>
         <source>Data sources</source>
         <translation>Zdroje dat</translation>
     </message>
@@ -232,145 +216,180 @@
         <translation>Zavřit POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="240"/>
+        <location filename="../src/gui.cpp" line="239"/>
+        <source>Overlap POIs</source>
+        <translation>Překrývat POI</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="243"/>
+        <source>Show POI labels</source>
+        <translation>Zobrazovat názvy POI</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="248"/>
         <source>Show POIs</source>
         <translation>Zobrazit POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="248"/>
+        <location filename="../src/gui.cpp" line="256"/>
         <source>Show map</source>
         <translation>Zobrazit mapu</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="254"/>
+        <location filename="../src/gui.cpp" line="262"/>
         <source>Clear tile cache</source>
         <translation>Vymazat mezipaměť dlaždic</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="263"/>
-        <location filename="../src/gui.cpp" line="267"/>
-        <location filename="../src/gui.cpp" line="490"/>
+        <location filename="../src/gui.cpp" line="271"/>
+        <location filename="../src/gui.cpp" line="275"/>
+        <location filename="../src/gui.cpp" line="539"/>
         <source>Next map</source>
         <translation>Následující mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="274"/>
+        <location filename="../src/gui.cpp" line="282"/>
+        <source>Show tracks</source>
+        <translation>Zobrazit cesty</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="286"/>
+        <source>Show routes</source>
+        <translation>Zobrazit trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="290"/>
+        <source>Show waypoints</source>
+        <translation>Zobrazit navigační body</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="294"/>
+        <source>Waypoint labels</source>
+        <translation>Názvy navigačních bodů</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="305"/>
         <source>Show graphs</source>
         <translation>Zobrazovat grafy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="280"/>
+        <location filename="../src/gui.cpp" line="327"/>
         <source>Show toolbars</source>
         <translation>Zobrazovat nástrojové lišty</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="286"/>
+        <location filename="../src/gui.cpp" line="333"/>
         <source>Metric</source>
         <translation>Metrické</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="291"/>
+        <location filename="../src/gui.cpp" line="338"/>
         <source>Imperial</source>
         <translation>Imperiální</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="297"/>
+        <location filename="../src/gui.cpp" line="344"/>
         <source>Fullscreen mode</source>
         <translation>Celoobrazovkový režim</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="305"/>
+        <location filename="../src/gui.cpp" line="352"/>
         <source>Next</source>
         <translation>Následující</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="308"/>
+        <location filename="../src/gui.cpp" line="355"/>
         <source>Previous</source>
         <translation>Předchozí</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="312"/>
+        <location filename="../src/gui.cpp" line="359"/>
         <source>Last</source>
         <translation>Poslední</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="315"/>
+        <location filename="../src/gui.cpp" line="362"/>
         <source>First</source>
         <translation>První</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="337"/>
+        <location filename="../src/gui.cpp" line="384"/>
         <source>Map</source>
         <translation>Mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="344"/>
+        <location filename="../src/gui.cpp" line="391"/>
+        <source>Graph</source>
+        <translation>Graf</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="397"/>
         <source>POI</source>
         <translation>POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="345"/>
+        <location filename="../src/gui.cpp" line="398"/>
         <source>POI files</source>
         <translation>POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="353"/>
+        <location filename="../src/gui.cpp" line="409"/>
+        <source>Data</source>
+        <translation>Data</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="410"/>
+        <source>Display</source>
+        <translation>Zobrazit</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="418"/>
         <source>Settings</source>
         <translation>Nastavení</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="354"/>
+        <location filename="../src/gui.cpp" line="419"/>
         <source>Units</source>
         <translation>Jednotky</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="363"/>
+        <location filename="../src/gui.cpp" line="427"/>
         <source>Help</source>
         <translation>Nápověda</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="426"/>
-        <source>Temperature</source>
-        <translation>Teplota</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="492"/>
+        <location filename="../src/gui.cpp" line="541"/>
         <source>Previous map</source>
         <translation>Předchozí mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="691"/>
-        <location filename="../src/gui.cpp" line="694"/>
+        <location filename="../src/gui.cpp" line="746"/>
+        <location filename="../src/gui.cpp" line="749"/>
         <source>Date</source>
         <translation>Datum</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="871"/>
+        <location filename="../src/gui.cpp" line="758"/>
+        <source>Routes</source>
+        <translation>Trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="948"/>
         <source>No GPX files loaded</source>
         <translation>Nejsou načteny žádné GPX soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="423"/>
-        <source>Elevation</source>
-        <translation>Výška</translation>
+        <location filename="../src/gui.cpp" line="952"/>
+        <source>%1 files</source>
+        <translation>%1 souborů</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="424"/>
-        <source>Speed</source>
-        <translation>Rychlost</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="425"/>
-        <source>Heart rate</source>
-        <translation>Tep</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="483"/>
+        <location filename="../src/gui.cpp" line="532"/>
         <source>Next file</source>
         <translation>Následující soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="460"/>
+        <location filename="../src/gui.cpp" line="509"/>
         <source>Version </source>
         <translation>Verze </translation>
     </message>
@@ -385,135 +404,119 @@
         <translation>Exportovat do PDF...</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="484"/>
+        <location filename="../src/gui.cpp" line="760"/>
+        <source>Waypoints</source>
+        <translation>Navigační body</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="533"/>
         <source>Previous file</source>
         <translation>Předchozí soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="486"/>
+        <location filename="../src/gui.cpp" line="298"/>
+        <source>Route waypoints</source>
+        <translation>Body tras</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="535"/>
         <source>First file</source>
         <translation>První soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="487"/>
+        <location filename="../src/gui.cpp" line="536"/>
         <source>Last file</source>
         <translation>Poslední soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="488"/>
+        <location filename="../src/gui.cpp" line="537"/>
         <source>Append modifier</source>
         <translation>Modifikátor nahradit/přidat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="507"/>
+        <location filename="../src/gui.cpp" line="556"/>
         <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="510"/>
+        <location filename="../src/gui.cpp" line="559"/>
         <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="518"/>
+        <location filename="../src/gui.cpp" line="567"/>
         <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="529"/>
+        <location filename="../src/gui.cpp" line="578"/>
         <source>GPX files (*.gpx);;All files (*)</source>
         <translation>Soubory GPX (*.gpx);;Všechny soubory (*)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="597"/>
-        <location filename="../src/gui.cpp" line="623"/>
+        <location filename="../src/gui.cpp" line="649"/>
+        <location filename="../src/gui.cpp" line="675"/>
         <source>Line: %1</source>
         <translation>Řádka: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="607"/>
+        <location filename="../src/gui.cpp" line="659"/>
         <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="697"/>
+        <location filename="../src/gui.cpp" line="756"/>
         <source>Tracks</source>
-        <translation>Počet tras</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="703"/>
-        <location filename="../src/gui.cpp" line="886"/>
-        <source>mi</source>
-        <translation>mi</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="883"/>
-        <source>ft</source>
-        <translation>ft</translation>
+        <translation>Cesty</translation>
     </message>
     <message>
         <location filename="../src/gui.cpp" line="199"/>
-        <location filename="../src/gui.cpp" line="458"/>
+        <location filename="../src/gui.cpp" line="507"/>
         <source>About GPXSee</source>
         <translation>O aplikaci GPXSee</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="386"/>
+        <location filename="../src/gui.cpp" line="451"/>
         <source>Navigation</source>
         <translation>Navigace</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="506"/>
+        <location filename="../src/gui.cpp" line="555"/>
         <source>Map sources</source>
         <translation>Mapové zdroje</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="517"/>
+        <location filename="../src/gui.cpp" line="566"/>
         <source>POIs</source>
         <translation>POI body</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="702"/>
-        <location filename="../src/gui.cpp" line="705"/>
+        <location filename="../src/gui.cpp" line="313"/>
+        <location filename="../src/gui.cpp" line="763"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="710"/>
+        <location filename="../src/gui.cpp" line="319"/>
+        <location filename="../src/gui.cpp" line="765"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="890"/>
-        <source>m</source>
-        <translation>m</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="878"/>
-        <source>%1 tracks</source>
-        <translation>Počet tras: %1</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="706"/>
-        <location filename="../src/gui.cpp" line="893"/>
-        <source>km</source>
-        <translation>km</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="599"/>
-        <location filename="../src/gui.cpp" line="624"/>
+        <location filename="../src/gui.cpp" line="651"/>
+        <location filename="../src/gui.cpp" line="676"/>
         <source>Error</source>
         <translation>Chyba</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="594"/>
+        <location filename="../src/gui.cpp" line="646"/>
         <source>Error loading GPX file:
 %1</source>
         <translation>Soubor GPX nelze otevřít:
 %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="620"/>
+        <location filename="../src/gui.cpp" line="672"/>
         <source>Error loading POI file:
 %1</source>
         <translation>Soubor POI nelze otevřít:
@@ -521,185 +524,240 @@
     </message>
 </context>
 <context>
-    <name>HeartRateGraph</name>
+    <name>GraphView</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"/>
+        <location filename="../src/graphview.cpp" line="111"/>
         <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>
-        <location filename="../src/scaleitem.cpp" line="81"/>
-        <source>mi</source>
-        <translation>mi</translation>
-    </message>
-    <message>
-        <location filename="../src/scaleitem.cpp" line="81"/>
-        <source>ft</source>
-        <translation>ft</translation>
-    </message>
-    <message>
-        <location filename="../src/scaleitem.cpp" line="83"/>
+        <location filename="../src/graphview.cpp" line="114"/>
         <source>km</source>
         <translation>km</translation>
     </message>
     <message>
-        <location filename="../src/scaleitem.cpp" line="83"/>
+        <location filename="../src/graphview.cpp" line="119"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="122"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="128"/>
+        <source>s</source>
+        <translation>s</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="131"/>
+        <source>min</source>
+        <translation>min</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="134"/>
+        <source>h</source>
+        <translation>h</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="160"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="162"/>
+        <source>Time</source>
+        <translation>Čas</translation>
+    </message>
+</context>
+<context>
+    <name>HeartRateGraph</name>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="11"/>
+        <location filename="../src/heartrategraph.h" line="15"/>
+        <source>Heart rate</source>
+        <translation>Tep</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="10"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="19"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraph.cpp" line="21"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+</context>
+<context>
+    <name>Misc</name>
+    <message>
+        <location filename="../src/misc.cpp" line="55"/>
+        <location filename="../src/misc.cpp" line="76"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/misc.cpp" line="58"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/misc.cpp" line="62"/>
+        <location filename="../src/misc.cpp" line="73"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/misc.cpp" line="65"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+</context>
+<context>
+    <name>RouteItem</name>
+    <message>
+        <location filename="../src/routeitem.cpp" line="15"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+</context>
+<context>
+    <name>ScaleItem</name>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="90"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="91"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="93"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="94"/>
         <source>m</source>
         <translation>m</translation>
     </message>
 </context>
 <context>
     <name>SpeedGraph</name>
-    <message>
-        <location filename="../src/speedgraph.cpp" line="11"/>
-        <source>Distance</source>
-        <translation>Vzdálenost</translation>
-    </message>
     <message>
         <location filename="../src/speedgraph.cpp" line="12"/>
+        <location filename="../src/speedgraph.h" line="16"/>
         <source>Speed</source>
         <translation>Rychlost</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="72"/>
-        <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="80"/>
-        <source>ft</source>
-        <translation>ft</translation>
-    </message>
-    <message>
-        <location filename="../src/speedgraph.cpp" line="92"/>
+        <location filename="../src/speedgraph.cpp" line="74"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="19"/>
+        <location filename="../src/speedgraph.cpp" line="20"/>
         <source>Average</source>
         <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="21"/>
+        <location filename="../src/speedgraph.cpp" line="22"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="83"/>
-        <source>mi</source>
-        <translation>mi</translation>
-    </message>
-    <message>
-        <location filename="../src/speedgraph.cpp" line="95"/>
+        <location filename="../src/speedgraph.cpp" line="77"/>
         <source>mi/h</source>
         <translation>mi/h</translation>
     </message>
 </context>
 <context>
     <name>TemperatureGraph</name>
-    <message>
-        <location filename="../src/temperaturegraph.cpp" line="10"/>
-        <source>Distance</source>
-        <translation>Vzdálenost</translation>
-    </message>
     <message>
         <location filename="../src/temperaturegraph.cpp" line="11"/>
+        <location filename="../src/temperaturegraph.h" line="15"/>
         <source>Temperature</source>
         <translation>Teplota</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="18"/>
+        <location filename="../src/temperaturegraph.cpp" line="19"/>
         <source>Average</source>
         <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="20"/>
+        <location filename="../src/temperaturegraph.cpp" line="21"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="22"/>
+        <location filename="../src/temperaturegraph.cpp" line="23"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="77"/>
-        <source>m</source>
-        <translation>m</translation>
-    </message>
-    <message>
-        <location filename="../src/temperaturegraph.cpp" line="80"/>
-        <source>km</source>
-        <translation>km</translation>
-    </message>
-    <message>
-        <location filename="../src/temperaturegraph.cpp" line="85"/>
-        <source>ft</source>
-        <translation>ft</translation>
-    </message>
-    <message>
-        <location filename="../src/temperaturegraph.cpp" line="88"/>
-        <source>mi</source>
-        <translation>mi</translation>
-    </message>
-    <message>
-        <location filename="../src/temperaturegraph.cpp" line="97"/>
+        <location filename="../src/temperaturegraph.cpp" line="81"/>
         <source>C</source>
         <translation>C</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="100"/>
+        <location filename="../src/temperaturegraph.cpp" line="85"/>
         <source>F</source>
         <translation>F</translation>
     </message>
 </context>
+<context>
+    <name>TrackItem</name>
+    <message>
+        <location filename="../src/trackitem.cpp" line="14"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="17"/>
+        <source>Time</source>
+        <translation>Čas</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="19"/>
+        <source>Date</source>
+        <translation>Datum</translation>
+    </message>
+</context>
+<context>
+    <name>WaypointItem</name>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="18"/>
+        <source>Name</source>
+        <translation>Název</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="19"/>
+        <source>Coordinates</source>
+        <translation>Souřadnice</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="22"/>
+        <source>Elevation</source>
+        <translation>Výška</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="25"/>
+        <source>Date</source>
+        <translation>Datum</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="28"/>
+        <source>Description</source>
+        <translation>Popis</translation>
+    </message>
+</context>
 </TS>

pkg/gpxsee.nsi

@@ -4,7 +4,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "2.16"
+!define VERSION "2.19"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}.exe"

pkg/gpxsee64.nsi

@@ -4,7 +4,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "2.16"
+!define VERSION "2.19"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"

src/app.cpp

@@ -2,6 +2,7 @@
 #include <QTranslator>
 #include <QLocale>
 #include <QFileOpenEvent>
+#include <QNetworkProxyFactory>
 #include "gui.h"
 #include "app.h"
 
@@ -18,6 +19,8 @@ App::App(int &argc, char **argv) : QApplication(argc, argv),
 	setAttribute(Qt::AA_DontShowIconsInMenus);
 #endif // Q_OS_MAC
 
+	QNetworkProxyFactory::setUseSystemConfiguration(true);
+
 	_gui = new GUI();
 }
 

src/axisitem.cpp

@@ -1,10 +1,11 @@
 #include <cmath>
 #include <QPainter>
 #include "config.h"
-#include "nicenum.h"
+#include "misc.h"
 #include "axisitem.h"
 
 
+#define AXIS_WIDTH  1
 #define TICK        6
 #define PADDING     6
 #define XTICKS      15
@@ -34,6 +35,10 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 {
 	_type = type;
 	_size = 0;
+
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
 void AxisItem::setRange(const RangeF &range)
@@ -41,6 +46,7 @@ void AxisItem::setRange(const RangeF &range)
 	prepareGeometryChange();
 	_range = range;
 	updateBoundingRect();
+	update();
 }
 
 void AxisItem::setSize(qreal size)
@@ -48,6 +54,7 @@ void AxisItem::setSize(qreal size)
 	prepareGeometryChange();
 	_size = size;
 	updateBoundingRect();
+	update();
 }
 
 void AxisItem::setLabel(const QString& label)
@@ -55,6 +62,7 @@ void AxisItem::setLabel(const QString& label)
 	prepareGeometryChange();
 	_label = label;
 	updateBoundingRect();
+	update();
 }
 
 void AxisItem::updateBoundingRect()
@@ -75,7 +83,7 @@ void AxisItem::updateBoundingRect()
 	if (_type == X) {
 		_boundingRect = QRectF(-ss.width()/2, -TICK/2,
 		_size + es.width()/2 + ss.width()/2,
-		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING);
+		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING + 1);
 	} else {
 		int mtw = 0;
 		QRect ts;
@@ -88,9 +96,8 @@ void AxisItem::updateBoundingRect()
 			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() + mtw + 2*PADDING
+		_boundingRect = QRectF(-(ls.height() + mtw + 2*PADDING + TICK/2),
+		  -(_size + es.height()/2 + fm.descent()), ls.height() + mtw + 2*PADDING
 		  + TICK, _size + es.height()/2 + fm.descent() + ss.height()/2);
 	}
 }
@@ -108,9 +115,11 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	struct Label l;
 	qreal range = _range.size();
 	qreal val;
+	QPen pen = QPen(Qt::black, AXIS_WIDTH);
 
 
 	painter->setFont(font);
+	painter->setPen(pen);
 
 	ls = fm.tightBoundingRect(_label);
 

src/downloader.cpp

@@ -73,7 +73,8 @@ void Downloader::downloadFinished(QNetworkReply *reply)
 			Download dl(redirect, filename);
 			doDownload(dl);
 		} else
-			saveToDisk(filename, reply);
+			if (!saveToDisk(filename, reply))
+				_errorDownloads.insert(url);
 	}
 
 	_currentDownloads.removeAll(reply);

src/elevationgraph.cpp

@@ -1,97 +1,140 @@
+#include <cmath>
 #include "config.h"
 #include "gpx.h"
 #include "elevationgraph.h"
 
 
-ElevationGraph::ElevationGraph(QWidget *parent) : GraphView(parent)
+static qreal nMin(qreal a, qreal b)
 {
-	_ascent = 0;
-	_descent = 0;
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMin(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
+
+static qreal nMax(qreal a, qreal b)
+{
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMax(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
+
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
+{
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
+
+	_showRoutes = true;
+	_showTracks = true;
 
 	_units = Metric;
 
 	setYUnits();
-	setXLabel(tr("Distance"));
 	setYLabel(tr("Elevation"));
 
 	setMinYRange(50.0);
 }
 
-void ElevationGraph::addInfo()
+void ElevationGraph::setInfo()
 {
-	GraphView::addInfo(tr("Ascent"), QString::number(_ascent * yScale(), 'f', 0)
-	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Descent"), QString::number(_descent * yScale(), 'f',
-	  0) + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f', 0)
-	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f', 0)
-	  + UNIT_SPACE + yUnits());
+	if (std::isnan(max()) || std::isnan(min()))
+		clearInfo();
+	else {
+		GraphView::addInfo(tr("Ascent"), QString::number(ascent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Descent"), QString::number(descent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+	}
+}
+
+void ElevationGraph::loadGraph(const Graph &graph, Type type, PathItem *path)
+{
+	qreal ascent = 0, descent = 0;
+	qreal min, max;
+
+	if (graph.size() < 2) {
+		skipColor();
+		return;
+	}
+
+	max = min = graph.at(0).y();
+	for (int j = 1; j < graph.size(); j++) {
+		qreal cur = graph.at(j).y();
+		qreal prev = graph.at(j-1).y();
+
+		if (cur > prev)
+			ascent += cur - prev;
+		if (cur < prev)
+			descent += prev - cur;
+
+		if (cur < min)
+			min = cur;
+		if (cur > max)
+			max = cur;
+	}
+
+	if (type == Track) {
+		_trackAscent += ascent;
+		_trackDescent += descent;
+		_trackMax = nMax(_trackMax, max);
+		_trackMin = nMin(_trackMin, min);
+	} else {
+		_routeAscent += ascent;
+		_routeDescent += descent;
+		_routeMax = nMax(_routeMax, max);
+		_routeMin = nMin(_routeMin, min);
+	}
+
+	GraphView::loadGraph(graph, path, type);
+}
+
+void ElevationGraph::loadGPX(const GPX &gpx, const QList<PathItem *> &paths)
+{
+	int p = 0;
+
+	for (int i = 0; i < gpx.tracks().count(); i++)
+		loadGraph(gpx.tracks().at(i)->elevation(), Track, paths.at(p++));
+	for (int i = 0; i < gpx.routes().count(); i++)
+		loadGraph(gpx.routes().at(i)->elevation(), Route, paths.at(p++));
+
+	setInfo();
 
 	redraw();
 }
 
-void ElevationGraph::loadGPX(const GPX &gpx)
-{
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
-		qreal ascent = 0, descent = 0;
-
-		gpx.track(i).elevationGraph(data);
-		if (data.count() < 2) {
-			skipColor();
-			continue;
-		}
-
-		for (int j = 1; j < data.size(); j++) {
-			qreal cur = data.at(j).y();
-			qreal prev = data.at(j-1).y();
-
-			if (cur > prev)
-				ascent += cur - prev;
-			if (cur < prev)
-				descent += prev - cur;
-		}
-
-		_ascent += ascent;
-		_descent += descent;
-
-		loadData(data);
-	}
-
-	setXUnits();
-	addInfo();
-}
-
 void ElevationGraph::clear()
 {
-	_ascent = 0;
-	_descent = 0;
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
 
 	GraphView::clear();
 }
 
-void ElevationGraph::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 ElevationGraph::setYUnits()
 {
 	if (_units == Metric) {
@@ -106,9 +149,86 @@ void ElevationGraph::setYUnits()
 void ElevationGraph::setUnits(enum Units units)
 {
 	_units = units;
-	setXUnits();
-	setYUnits();
 
-	clearInfo();
-	addInfo();
+	setYUnits();
+	setInfo();
+	GraphView::setUnits(units);
+
+	redraw();
+}
+
+void ElevationGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	setInfo();
+	showGraph(show, Track);
+
+	redraw();
+}
+
+void ElevationGraph::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	showGraph(show, Route);
+	setInfo();
+
+	redraw();
+}
+
+qreal ElevationGraph::ascent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeAscent;
+	if (_showTracks)
+		val += _trackAscent;
+
+	return val;
+}
+
+qreal ElevationGraph::descent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeDescent;
+	if (_showTracks)
+		val += _trackDescent;
+
+	return val;
+}
+
+qreal ElevationGraph::max() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMax(_routeMax, _trackMax);
+	else if (_showTracks)
+		val = _trackMax;
+	else if (_showRoutes)
+		val = _routeMax;
+	else
+		val = NAN;
+
+	return val;
+}
+
+qreal ElevationGraph::min() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMin(_routeMin, _trackMin);
+	else if (_showTracks)
+		val = _trackMin;
+	else if (_showRoutes)
+		val = _routeMin;
+	else
+		val = NAN;
+
+	return val;
 }

src/elevationgraph.h

@@ -1,34 +1,45 @@
 #ifndef ELEVATIONGRAPH_H
 #define ELEVATIONGRAPH_H
 
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
 class GPX;
+class PathItem;
 
-class ElevationGraph : public GraphView
+class ElevationGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	ElevationGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Elevation");}
+	void loadGPX(const GPX &gpx, const QList<PathItem *> &paths);
 	void clear();
 	void setUnits(enum Units units);
-
-	qreal ascent() const {return _ascent;}
-	qreal descent() const {return _descent;}
-	qreal max() const {return bounds().bottom();}
-	qreal min() const {return bounds().top();}
+	void showTracks(bool show);
+	void showRoutes(bool show);
 
 private:
-	void setXUnits();
-	void setYUnits();
-	void addInfo();
+	enum Type {Track, Route};
+
+	qreal max() const;
+	qreal min() const;
+	qreal ascent() const;
+	qreal descent() const;
+
+	void setYUnits();
+	void setInfo();
+
+	void loadGraph(const Graph &graph, Type type, PathItem *path);
+
+	qreal _trackAscent, _trackDescent;
+	qreal _routeAscent, _routeDescent;
+	qreal _trackMax, _routeMax;
+	qreal _trackMin, _routeMin;
 
-	qreal _ascent, _descent;
 	enum Units _units;
+	bool _showTracks, _showRoutes;
 };
 
 #endif // ELEVATIONGRAPH_H

src/gpx.cpp

@@ -4,12 +4,24 @@
 #include "gpx.h"
 
 
+GPX::GPX() : _parser(_track_data, _route_data, _waypoint_data), _errorLine(0)
+{
+}
+
+GPX::~GPX()
+{
+	for (int i = 0; i < _tracks.count(); i++)
+		delete _tracks.at(i);
+	for (int i = 0; i < _routes.count(); i++)
+		delete _routes.at(i);
+}
+
 bool GPX::loadFile(const QString &fileName)
 {
-	QFile file(fileName);
 	bool ret;
+	QFile file(fileName);
+
 
-	_tracks.clear();
 	_error.clear();
 	_errorLine = 0;
 
@@ -18,11 +30,18 @@ bool GPX::loadFile(const QString &fileName)
 		return false;
 	}
 
-	if (!(ret = _parser.loadFile(&file))) {
+	ret = _parser.loadFile(&file);
+	file.close();
+	if (ret == false) {
 		_error = _parser.errorString();
 		_errorLine = _parser.errorLine();
+		return false;
 	}
-	file.close();
 
-	return ret;
+	for (int i = 0; i < _track_data.count(); i++)
+		_tracks.append(new Track(_track_data.at(i)));
+	for (int i = 0; i < _route_data.count(); i++)
+		_routes.append(new Route(_route_data.at(i)));
+
+	return true;
 }

src/gpx.h

@@ -7,27 +7,34 @@
 #include <QString>
 #include "waypoint.h"
 #include "track.h"
+#include "route.h"
 #include "parser.h"
 
 class GPX
 {
 public:
-	GPX() : _parser(_tracks, _waypoints), _errorLine(0) {}
+	GPX();
+	~GPX();
+
 	bool loadFile(const QString &fileName);
 	const QString &errorString() const {return _error;}
 	int errorLine() const {return _errorLine;}
 
-	int trackCount() const {return _tracks.count();}
-	Track track(int i) const {return Track(_tracks.at(i));}
-	const QList<Waypoint> &waypoints() const {return _waypoints;}
+	const QList<Track*> &tracks() const {return _tracks;}
+	const QList<Route*> &routes() const {return _routes;}
+	const QList<Waypoint> &waypoints() const {return _waypoint_data;}
 
 private:
 	Parser _parser;
 	QString _error;
 	int _errorLine;
 
-	QList<QVector<Trackpoint> > _tracks;
-	QList<Waypoint> _waypoints;
+	QList<Track*> _tracks;
+	QList<Route*> _routes;
+
+	QList<QVector<Trackpoint> > _track_data;
+	QList<QVector<Waypoint> > _route_data;
+	QList<Waypoint> _waypoint_data;
 };
 
 #endif // GPX_H

src/graph.h

@@ -0,0 +1,31 @@
+#ifndef GRAPH_H
+#define GRAPH_H
+
+#include <QVector>
+#include <cmath>
+
+enum GraphType {Distance, Time};
+
+class GraphPoint
+{
+public:
+	GraphPoint(qreal s = NAN, qreal t = NAN, qreal y = NAN)
+	  : _s(s), _t(t), _y(y) {}
+
+	qreal s() const {return _s;}
+	qreal t() const {return _t;}
+	qreal y() const {return _y;}
+
+	void setS(qreal s) {_s = s;}
+	void setT(qreal t) {_t = t;}
+	void setY(qreal y) {_y = y;}
+
+private:
+	qreal _s;
+	qreal _t;
+	qreal _y;
+};
+
+typedef QVector<GraphPoint> Graph;
+
+#endif // GRAPH_H

src/graphitem.cpp

@@ -0,0 +1,160 @@
+#include <QPainter>
+#include "graphitem.h"
+
+
+#define GRAPH_WIDTH 1
+#define HOVER_WIDTH 2
+
+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();
+}
+
+static bool hasTime(const Graph &graph)
+{
+	for (int i = 0; i < graph.count(); i++)
+		if (std::isnan(graph.at(i).t()))
+			return false;
+
+	return true;
+}
+
+GraphItem::GraphItem(const Graph &graph, QGraphicsItem *parent)
+  : QGraphicsObject(parent)
+{
+	_id = 0;
+	_type = Distance;
+
+	_pen = QPen(Qt::black, GRAPH_WIDTH);
+	_pen.setCosmetic(true);
+
+	_distancePath.moveTo(graph.first().s(), -graph.first().y());
+	for (int i = 1; i < graph.size(); i++)
+		_distancePath.lineTo(graph.at(i).s(), -graph.at(i).y());
+
+	if (hasTime(graph)) {
+		_timePath.moveTo(graph.first().t(), -graph.first().y());
+		for (int i = 1; i < graph.size(); i++)
+			_timePath.lineTo(graph.at(i).t(), -graph.at(i).y());
+	}
+}
+
+void GraphItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath((_type == Distance) ? _distancePath : _timePath);
+
+/*
+	QPen p = QPen(QBrush(Qt::red), 0);
+	painter->setPen(p);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void GraphItem::setGraphType(GraphType type)
+{
+	prepareGeometryChange();
+	_type = type;
+}
+
+void GraphItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+qreal GraphItem::yAtX(qreal x)
+{
+	return ::yAtX((_type == Distance) ? _distancePath : _timePath, x);
+}
+
+qreal GraphItem::distanceAtTime(qreal time)
+{
+	int low = 0;
+	int high = _timePath.elementCount() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(time >= _timePath.elementAt(low).x
+	  && time <= _timePath.elementAt(high).x);
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const QPainterPath::Element &e = _timePath.elementAt(mid);
+		if (e.x > time)
+			high = mid - 1;
+		else if (e.x < time)
+			low = mid + 1;
+		else
+			return _distancePath.elementAt(mid).x;
+	}
+
+	QLineF l;
+	if (_timePath.elementAt(mid).x < time)
+		l = QLineF(_timePath.elementAt(mid).x, _distancePath.elementAt(mid).x,
+		  _timePath.elementAt(mid+1).x, _distancePath.elementAt(mid+1).x);
+	else
+		l = QLineF(_timePath.elementAt(mid-1).x, _distancePath.elementAt(mid-1).x,
+		  _timePath.elementAt(mid).x, _distancePath.elementAt(mid).x);
+
+	return l.pointAt((time - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+void GraphItem::emitSliderPositionChanged(qreal pos)
+{
+	if (_type == Time) {
+		if (!_timePath.isEmpty()) {
+			if (pos <= _timePath.elementAt(_timePath.elementCount() - 1).x)
+				emit sliderPositionChanged(distanceAtTime(pos));
+			else
+				emit sliderPositionChanged(_distancePath.elementAt(
+			      _distancePath.elementCount() - 1).x + 1);
+		} else
+			emit sliderPositionChanged(_distancePath.elementAt(
+		      _distancePath.elementCount() - 1).x + 1);
+	} else
+		emit sliderPositionChanged(pos);
+}
+
+void GraphItem::selected(bool selected)
+{
+	if (selected) {
+		_pen.setWidth(HOVER_WIDTH);
+		setZValue(zValue() + 1.0);
+	} else {
+		_pen.setWidth(GRAPH_WIDTH);
+		setZValue(zValue() - 1.0);
+	}
+
+	update();
+}

src/graphitem.h

@@ -0,0 +1,43 @@
+#ifndef GRAPHITEM_H
+#define GRAPHITEM_H
+
+#include <QGraphicsObject>
+#include <QPen>
+#include "graph.h"
+
+class GraphItem : public QGraphicsObject
+{
+	Q_OBJECT
+
+public:
+	GraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const
+	  {return (_type == Distance) ? _distancePath.boundingRect()
+	  : _timePath.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	void setGraphType(GraphType type);
+	int id() const {return _id;}
+	void setId(int id) {_id = id;}
+	void setColor(const QColor &color);
+
+	qreal yAtX(qreal x);
+	qreal distanceAtTime(qreal time);
+
+signals:
+	void sliderPositionChanged(qreal);
+
+public slots:
+	void emitSliderPositionChanged(qreal);
+	void selected(bool selected);
+
+private:
+	int _id;
+	QPen _pen;
+	QPainterPath _distancePath, _timePath;
+	GraphType _type;
+};
+
+#endif // GRAPHITEM_H

src/graphtab.h

@@ -0,0 +1,27 @@
+#ifndef GRAPHTAB_H
+#define GRAPHTAB_H
+
+#include <QList>
+#include "graphview.h"
+#include "units.h"
+
+class GPX;
+class PathItem;
+
+class GraphTab : public GraphView
+{
+	Q_OBJECT
+
+public:
+	GraphTab(QWidget *parent = 0) : GraphView(parent)
+	  {setFrameShape(QFrame::NoFrame);}
+
+	virtual QString label() const = 0;
+	virtual void loadGPX(const GPX &gpx, const QList<PathItem *> &paths) = 0;
+	virtual void clear() = 0;
+	virtual void setUnits(enum Units units) = 0;
+	virtual void showTracks(bool show) = 0;
+	virtual void showRoutes(bool show) = 0;
+};
+
+#endif // GRAPHTAB_H

src/graphview.cpp

@@ -1,4 +1,3 @@
-#include <QGraphicsView>
 #include <QGraphicsSceneMouseEvent>
 #include <QEvent>
 #include <QPaintEngine>
@@ -8,11 +7,15 @@
 #include "slideritem.h"
 #include "sliderinfoitem.h"
 #include "infoitem.h"
+#include "graph.h"
+#include "graphitem.h"
+#include "pathitem.h"
 #include "graphview.h"
 
 
 #define MARGIN 10.0
 
+
 void Scene::mousePressEvent(QGraphicsSceneMouseEvent *e)
 {
 	if (e->button() == Qt::LeftButton)
@@ -32,21 +35,20 @@ GraphView::GraphView(QWidget *parent)
 	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 
 	_xAxis = new AxisItem(AxisItem::X);
+	_xAxis->setZValue(1.0);
 	_yAxis = new AxisItem(AxisItem::Y);
-
+	_yAxis->setZValue(1.0);
 	_slider = new SliderItem();
 	_slider->setZValue(2.0);
+	_sliderInfo = new SliderInfoItem(_slider);
+	_sliderInfo->setZValue(2.0);
+	_info = new InfoItem();
 
 	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
 	  SLOT(emitSliderPositionChanged(const QPointF&)));
 	connect(_scene, SIGNAL(mouseClicked(const QPointF&)), this,
 	  SLOT(newSliderPosition(const QPointF&)));
 
-	_info = new InfoItem();
-
-	_sliderInfo = new SliderInfoItem(_slider);
-	_sliderInfo->setZValue(2.0);
-
 	_xScale = 1;
 	_yScale = 1;
 	_yOffset = 0;
@@ -55,6 +57,12 @@ GraphView::GraphView(QWidget *parent)
 	_minYRange = 0.01;
 
 	_sliderPos = 0;
+
+	_units = Metric;
+	_graphType = Distance;
+
+	setGraphType(_graphType);
+	setUnits(_units);
 }
 
 GraphView::~GraphView()
@@ -63,24 +71,14 @@ GraphView::~GraphView()
 		delete _xAxis;
 	if (_yAxis->scene() != _scene)
 		delete _yAxis;
-
 	if (_slider->scene() != _scene)
 		delete _slider;
-
 	if (_info->scene() != _scene)
 		delete _info;
-}
 
-void GraphView::updateBounds(const QPointF &point)
-{
-	if (point.x() < _bounds.left())
-		_bounds.setLeft(point.x());
-	if (point.x() > _bounds.right())
-		_bounds.setRight(point.x());
-	if (point.y() > _bounds.bottom())
-		_bounds.setBottom(point.y());
-	if (point.y() < _bounds.top())
-		_bounds.setTop(point.y());
+	for (int i = 0; i < _graphs.count(); i++)
+		if (_graphs.at(i)->scene() != _scene)
+			delete _graphs[i];
 }
 
 void GraphView::createXLabel()
@@ -93,62 +91,149 @@ void GraphView::createYLabel()
 	_yAxis->setLabel(QString("%1 [%2]").arg(_yLabel).arg(_yUnits));
 }
 
-void GraphView::setXLabel(const QString &label)
-{
-	_xLabel = label;
-	createXLabel();
-}
-
 void GraphView::setYLabel(const QString &label)
 {
 	_yLabel = label;
 	createYLabel();
 }
 
-void GraphView::setXUnits(const QString &units)
-{
-	_xUnits = units;
-	createXLabel();
-}
-
 void GraphView::setYUnits(const QString &units)
 {
 	_yUnits = units;
 	createYLabel();
 }
 
-void GraphView::loadData(const QVector<QPointF> &data)
+void GraphView::setXUnits()
 {
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-
-
-	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++) {
-		const QPointF &p = data.at(i);
-		path.lineTo(p.x(), -p.y());
-		updateBounds(p);
+	if (_graphType == Distance) {
+		if (_units == Metric) {
+			if (bounds().width() < KMINM) {
+				_xUnits = tr("m");
+				_xScale = 1;
+			} else {
+				_xUnits = tr("km");
+				_xScale = M2KM;
+			}
+		} else {
+			if (bounds().width() < MIINM) {
+				_xUnits = tr("ft");
+				_xScale = M2FT;
+			} else {
+				_xUnits = tr("mi");
+				_xScale = M2MI;
+			}
+		}
+	} else {
+		    if (bounds().width() < MININS) {
+				_xUnits = tr("s");
+				_xScale = 1;
+			} else if (bounds().width() < HINS) {
+				_xUnits = tr("min");
+				_xScale = MIN2S;
+			} else {
+				_xUnits = tr("h");
+				_xScale = H2S;
+			}
 	}
 
-	pi = new QGraphicsPathItem(path);
-	QBrush brush(_palette.color(), Qt::SolidPattern);
-	QPen pen(brush, 0);
-	pi->setPen(pen);
-	_scene->addItem(pi);
-	_graphs.append(pi);
+	createXLabel();
+}
+
+void GraphView::setUnits(Units units)
+{
+	_units = units;
+	setXUnits();
+}
+
+void GraphView::setGraphType(GraphType type)
+{
+	_graphType = type;
+	_bounds = QRectF();
+
+	for (int i = 0; i < _graphs.count(); i++) {
+		_graphs.at(i)->setGraphType(type);
+		if (_graphs.at(i)->scene() == _scene)
+			_bounds |= _graphs.at(i)->boundingRect();
+	}
+
+	if (type == Distance)
+		_xLabel = tr("Distance");
+	else
+		_xLabel = tr("Time");
+	setXUnits();
+
+	redraw();
+}
+
+void GraphView::loadGraph(const Graph &graph, PathItem *path, int id)
+{
+	if (graph.size() < 2)
+		return;
+
+	GraphItem *gi = new GraphItem(graph);
+	gi->setGraphType(_graphType);
+	gi->setId(id);
+	gi->setColor(_palette.color());
+
+	connect(this, SIGNAL(sliderPositionChanged(qreal)), gi,
+	  SLOT(emitSliderPositionChanged(qreal)));
+	connect(gi, SIGNAL(sliderPositionChanged(qreal)), path,
+	  SLOT(moveMarker(qreal)));
+	connect(path, SIGNAL(selected(bool)), gi, SLOT(selected(bool)));
+
+	_graphs.append(gi);
+
+	if (!_hide.contains(id)) {
+		_visible.append(gi);
+		_scene->addItem(gi);
+		_bounds |= gi->boundingRect();
+		setXUnits();
+	}
+}
+
+void GraphView::removeItem(QGraphicsItem *item)
+{
+	if (item->scene() == _scene)
+		_scene->removeItem(item);
+}
+
+void GraphView::addItem(QGraphicsItem *item)
+{
+	if (item->scene() != _scene)
+		_scene->addItem(item);
+}
+
+void GraphView::showGraph(bool show, int id)
+{
+	if (show)
+		_hide.remove(id);
+	else
+		_hide.insert(id);
+
+	_visible.clear();
+	_bounds = QRectF();
+	for (int i = 0; i < _graphs.count(); i++) {
+		GraphItem* gi = _graphs.at(i);
+		if (_hide.contains(gi->id()))
+			removeItem(gi);
+		else {
+			addItem(gi);
+			_visible.append(gi);
+			_bounds |= gi->boundingRect();
+		}
+	}
 }
 
 void GraphView::redraw()
 {
-	if (!_graphs.isEmpty())
-		redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
+	redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
+}
+
+QRectF GraphView::bounds() const
+{
+	QRectF br(_bounds);
+	br.moveTopLeft(QPointF(br.left(), -br.top() - br.height()));
+	return br;
 }
 
 void GraphView::redraw(const QSizeF &size)
@@ -160,20 +245,22 @@ void GraphView::redraw(const QSizeF &size)
 	qreal xs, ys;
 
 
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
+	if (_visible.isEmpty() || _bounds.isNull()) {
+		removeItem(_xAxis);
+		removeItem(_yAxis);
+		removeItem(_slider);
+		removeItem(_info);
+		_scene->setSceneRect(QRectF());
+		return;
+	}
 
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->resetTransform();
+	addItem(_xAxis);
+	addItem(_yAxis);
+	addItem(_slider);
+	addItem(_info);
 
-	rx = RangeF(_bounds.left() * _xScale, _bounds.right() * _xScale);
-	ry = RangeF(_bounds.top() * _yScale + _yOffset, _bounds.bottom() * _yScale
+	rx = RangeF(bounds().left() * _xScale, bounds().right() * _xScale);
+	ry = RangeF(bounds().top() * _yScale + _yOffset, bounds().bottom() * _yScale
 	  + _yOffset);
 	if (ry.size() < _minYRange)
 		ry.resize(_minYRange);
@@ -183,7 +270,7 @@ void GraphView::redraw(const QSizeF &size)
 	mx = _xAxis->margin();
 	my = _yAxis->margin();
 
-	r = _scene->itemsBoundingRect();
+	r = _bounds;
 	if (r.height() < _minYRange)
 		r.adjust(0, -(_minYRange/2 - r.height()/2), 0,
 		  _minYRange/2 - r.height()/2);
@@ -193,10 +280,12 @@ void GraphView::redraw(const QSizeF &size)
 	  - _info->boundingRect().height()) / r.height();
 	transform.scale(xs, ys);
 
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->setTransform(transform);
+	for (int i = 0; i < _visible.size(); i++)
+		_visible.at(i)->setTransform(transform);
 
-	r = _scene->itemsBoundingRect();
+	QPointF p(r.left() * xs, r.top() * ys);
+	QSizeF s(r.width() * xs, r.height() * ys);
+	r = QRectF(p, s);
 	if (r.height() < _minYRange * ys)
 		r.adjust(0, -(_minYRange/2 * ys - r.height()/2), 0,
 		  (_minYRange/2) * ys - r.height()/2);
@@ -205,30 +294,21 @@ void GraphView::redraw(const QSizeF &size)
 	_yAxis->setSize(r.height());
 	_xAxis->setPos(r.bottomLeft());
 	_yAxis->setPos(r.bottomLeft());
-	_scene->addItem(_xAxis);
-	_scene->addItem(_yAxis);
 
 	_slider->setArea(r);
-	if (_sliderPos > _bounds.right() || _sliderPos < _bounds.left())
-		_slider->setVisible(false);
-	_slider->setPos((_sliderPos / _bounds.width()) * _slider->area().width(),
-	  r.bottom());
-	_scene->addItem(_slider);
+	updateSliderPosition();
 
-	updateSliderInfo();
-
-	r = _scene->itemsBoundingRect();
+	r |= _xAxis->sceneBoundingRect();
+	r |= _yAxis->sceneBoundingRect();
 	_info->setPos(r.topLeft() + QPointF(r.width()/2
 	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
-	_scene->addItem(_info);
 
 	_scene->setSceneRect(_scene->itemsBoundingRect());
 }
 
 void GraphView::resizeEvent(QResizeEvent *)
 {
-	if (!_graphs.empty())
-		redraw();
+	redraw();
 }
 
 void GraphView::plot(QPainter *painter, const QRectF &target)
@@ -249,19 +329,14 @@ void GraphView::plot(QPainter *painter, const QRectF &target)
 
 void GraphView::clear()
 {
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
-
 	_slider->clear();
 	_info->clear();
-	_scene->clear();
+
+	for (int i = 0; i < _graphs.count(); i++)
+		delete _graphs[i];
+
 	_graphs.clear();
+	_visible.clear();
 	_palette.reset();
 
 	_bounds = QRectF();
@@ -270,54 +345,38 @@ void GraphView::clear()
 	_scene->setSceneRect(0, 0, 0, 0);
 }
 
-static qreal yAtX(const QPainterPath &path, qreal x)
+void GraphView::updateSliderPosition()
 {
-	int low = 0;
-	int high = path.elementCount() - 1;
-	int mid = 0;
+	if (bounds().width() <= 0)
+		return;
 
-	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;
+	if (_sliderPos <= bounds().right() && _sliderPos >= bounds().left()) {
+		_slider->setPos((_sliderPos / bounds().width())
+		  * _slider->area().width(), _slider->area().bottom());
+		_slider->setVisible(!_visible.isEmpty());
+	} else {
+		_slider->setPos(_slider->area().left(), _slider->area().bottom());
+		_slider->setVisible(false);
 	}
 
-	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();
+	updateSliderInfo();
 }
 
 void GraphView::updateSliderInfo()
 {
-	_sliderInfo->setVisible(_graphs.size() == 1);
-
-	if (!_slider->isVisible())
+	_sliderInfo->setVisible(_visible.count() == 1);
+	if (!_sliderInfo->isVisible())
 		return;
 
-	const QPainterPath &path = _graphs.at(0)->path();
-	QRectF br = path.boundingRect();
+	QRectF br(_visible.first()->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 y = _visible.first()->yAtX(_sliderPos);
 	qreal r = (y - br.bottom()) / br.height();
 
-	qreal pos = (_sliderPos / _bounds.width()) * _slider->area().width();
+	qreal pos = (_sliderPos / bounds().width()) * _slider->area().width();
 	SliderInfoItem::Side s = (pos + _sliderInfo->boundingRect().width()
 	  > _slider->area().right()) ? SliderInfoItem::Left : SliderInfoItem::Right;
 
@@ -329,37 +388,28 @@ void GraphView::updateSliderInfo()
 
 void GraphView::emitSliderPositionChanged(const QPointF &pos)
 {
-	if (_graphs.isEmpty())
+	if (_slider->area().width() <= 0)
 		return;
 
-	_sliderPos = (pos.x() / _slider->area().width()) * _bounds.width();
-	emit sliderPositionChanged(_sliderPos);
+	_sliderPos = (pos.x() / _slider->area().width()) * bounds().width();
+	updateSliderPosition();
 
-	updateSliderInfo();
+	emit sliderPositionChanged(_sliderPos);
 }
 
 void GraphView::setSliderPosition(qreal pos)
 {
-	_sliderPos = pos;
-
-	if (_graphs.isEmpty())
+	if (_visible.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);
-	}
+	_sliderPos = pos;
+	updateSliderPosition();
 }
 
 void GraphView::newSliderPosition(const QPointF &pos)
 {
-	if (_slider->area().contains(pos)) {
+	if (_slider->area().contains(pos))
 		_slider->setPos(pos);
-		_slider->setVisible(true);
-		emitSliderPositionChanged(pos);
-	}
 }
 
 void GraphView::addInfo(const QString &key, const QString &value)

src/graphview.h

@@ -5,14 +5,19 @@
 #include <QGraphicsScene>
 #include <QVector>
 #include <QList>
+#include <QSet>
 #include <QPointF>
 #include "palette.h"
+#include "units.h"
+#include "graph.h"
 
 
 class AxisItem;
 class SliderItem;
 class SliderInfoItem;
 class InfoItem;
+class GraphItem;
+class PathItem;
 
 class Scene : public QGraphicsScene
 {
@@ -34,26 +39,21 @@ public:
 	GraphView(QWidget *parent = 0);
 	~GraphView();
 
-	void loadData(const QVector<QPointF> &data);
-
+	void loadGraph(const Graph &graph, PathItem *path, int id = 0);
+	int count() const {return _graphs.count();}
 	void redraw();
 	void clear();
 
-	int count() const {return _graphs.count();}
+	void showGraph(bool show, int id = 0);
+	void setGraphType(GraphType type);
+	void setUnits(Units units);
 
-	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;}
 	qreal yOffset() const {return _yOffset;}
-
-	void setXLabel(const QString &label);
 	void setYLabel(const QString &label);
-	void setXUnits(const QString &units);
 	void setYUnits(const QString &units);
-	void setXScale(qreal scale) {_xScale = scale;}
 	void setYScale(qreal scale) {_yScale = scale;}
 	void setYOffset(qreal offset) {_yOffset = offset;}
 
@@ -69,22 +69,25 @@ signals:
 	void sliderPositionChanged(qreal);
 
 protected:
-	const QRectF &bounds() const {return _bounds;}
-	void resizeEvent(QResizeEvent *);
+	QRectF bounds() const;
 	void redraw(const QSizeF &size);
 	void addInfo(const QString &key, const QString &value);
 	void clearInfo();
 	void skipColor() {_palette.color();}
+	void resizeEvent(QResizeEvent *);
 
 private slots:
 	void emitSliderPositionChanged(const QPointF &pos);
 	void newSliderPosition(const QPointF &pos);
 
 private:
+	void setXUnits();
 	void createXLabel();
 	void createYLabel();
-	void updateBounds(const QPointF &point);
+	void updateSliderPosition();
 	void updateSliderInfo();
+	void removeItem(QGraphicsItem *item);
+	void addItem(QGraphicsItem *item);
 
 	qreal _xScale, _yScale;
 	qreal _yOffset;
@@ -101,9 +104,14 @@ private:
 	SliderInfoItem *_sliderInfo;
 	InfoItem *_info;
 
-	QList<QGraphicsPathItem*> _graphs;
+	QList<GraphItem*> _graphs;
+	QList<GraphItem*> _visible;
+	QSet<int> _hide;
 	QRectF _bounds;
 	Palette _palette;
+
+	Units _units;
+	GraphType _graphType;
 };
 
 #endif // GRAPHVIEW_H

src/gui.cpp

@@ -18,6 +18,7 @@
 #include <QLabel>
 #include <QSettings>
 #include <QLocale>
+#include <QPixmapCache>
 #include "config.h"
 #include "icons.h"
 #include "keys.h"
@@ -29,44 +30,34 @@
 #include "speedgraph.h"
 #include "heartrategraph.h"
 #include "temperaturegraph.h"
-#include "trackview.h"
+#include "pathview.h"
 #include "trackinfo.h"
 #include "filebrowser.h"
 #include "cpuarch.h"
 #include "exportdialog.h"
+#include "graphtab.h"
+#include "misc.h"
 #include "gui.h"
 
 
-static QString timeSpan(qreal time)
-{
-	unsigned h, m, s;
-
-	h = time / 3600;
-	m = (time - (h * 3600)) / 60;
-	s = time - (h * 3600) - (m * 60);
-
-	return QString("%1:%2:%3").arg(h).arg(m, 2, 10, QChar('0'))
-	  .arg(s, 2, 10, QChar('0'));
-}
-
 GUI::GUI(QWidget *parent) : QMainWindow(parent)
 {
 	loadMaps();
 	loadPOIs();
 
+	createPathView();
+	createGraphTabs();
+	createStatusBar();
 	createActions();
 	createMenus();
 	createToolBars();
-	createTrackView();
-	createTrackGraphs();
-	createStatusBar();
 
 	_browser = new FileBrowser(this);
 	_browser->setFilter(QStringList("*.gpx"));
 
 	QVBoxLayout *layout = new QVBoxLayout;
-	layout->addWidget(_track);
-	layout->addWidget(_trackGraphs);
+	layout->addWidget(_pathView);
+	layout->addWidget(_graphTabWidget);
 	layout->setContentsMargins(0, 0, 0, 0);
 #ifdef Q_OS_WIN32
 	layout->setSpacing(0);
@@ -80,14 +71,18 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	setWindowTitle(APP_NAME);
 	setUnifiedTitleAndToolBarOnMac(true);
 
-	_distance = 0;
-	_time = 0;
 	_trackCount = 0;
+	_routeCount = 0;
+	_waypointCount = 0;
+	_trackDistance = 0;
+	_routeDistance = 0;
+	_time = 0;
 
 	_sliderPos = 0;
 
 	updateGraphTabs();
 	updateTrackView();
+	updateStatusBarInfo();
 
 	readSettings();
 
@@ -96,13 +91,15 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	_exportOrientation = QPrinter::Portrait;
 	_exportFileName = QString("%1/export.pdf").arg(QDir::currentPath());
 	_exportMargins = MarginsF(5.0, 5.0, 5.0, 5.0);
+
+	QPixmapCache::setCacheLimit(65536);
 }
 
 GUI::~GUI()
 {
 	for (int i = 0; i < _tabs.size(); i++) {
-		if (_trackGraphs->indexOf(_tabs.at(i).first) < 0)
-			delete _tabs.at(i).first;
+		if (_graphTabWidget->indexOf(_tabs.at(i)) < 0)
+			delete _tabs.at(i);
 	}
 }
 
@@ -176,6 +173,9 @@ QAction *GUI::createPOIFileAction(int index)
 
 void GUI::createActions()
 {
+	QActionGroup *ag;
+
+
 	// Action Groups
 	_fileActionGroup = new QActionGroup(this);
 	_fileActionGroup->setExclusive(false);
@@ -199,7 +199,7 @@ void GUI::createActions()
 	  tr("About GPXSee"), this);
 	connect(_aboutAction, SIGNAL(triggered()), this, SLOT(about()));
 
-	// File related actions
+	// File actions
 	_openFileAction = new QAction(QIcon(QPixmap(OPEN_FILE_ICON)),
 	  tr("Open"), this);
 	_openFileAction->setShortcut(OPEN_SHORTCUT);
@@ -236,6 +236,14 @@ void GUI::createActions()
 	_closePOIAction = new QAction(QIcon(QPixmap(CLOSE_FILE_ICON)),
 	  tr("Close POI files"), this);
 	connect(_closePOIAction, SIGNAL(triggered()), this, SLOT(closePOIFiles()));
+	_overlapPOIAction = new QAction(tr("Overlap POIs"), this);
+	_overlapPOIAction->setCheckable(true);
+	connect(_overlapPOIAction, SIGNAL(triggered(bool)), _pathView,
+	  SLOT(setPOIOverlap(bool)));
+	_showPOILabelsAction = new QAction(tr("Show POI labels"), this);
+	_showPOILabelsAction->setCheckable(true);
+	connect(_showPOILabelsAction, SIGNAL(triggered(bool)), _pathView,
+	  SLOT(showPOILabels(bool)));
 	_showPOIAction = new QAction(QIcon(QPixmap(SHOW_POI_ICON)),
 	  tr("Show POIs"), this);
 	_showPOIAction->setCheckable(true);
@@ -270,18 +278,57 @@ void GUI::createActions()
 		addAction(_prevMapAction);
 	}
 
-	// Settings actions
-	_showGraphsAction = new QAction(tr("Show graphs"), this);
+	// Data actions
+	_showTracksAction = new QAction(tr("Show tracks"), this);
+	_showTracksAction->setCheckable(true);
+	connect(_showTracksAction, SIGNAL(triggered(bool)), this,
+	  SLOT(showTracks(bool)));
+	_showRoutesAction = new QAction(tr("Show routes"), this);
+	_showRoutesAction->setCheckable(true);
+	connect(_showRoutesAction, SIGNAL(triggered(bool)), this,
+	  SLOT(showRoutes(bool)));
+	_showWaypointsAction = new QAction(tr("Show waypoints"), this);
+	_showWaypointsAction->setCheckable(true);
+	connect(_showWaypointsAction, SIGNAL(triggered(bool)), _pathView,
+	  SLOT(showWaypoints(bool)));
+	_showWaypointLabelsAction = new QAction(tr("Waypoint labels"), this);
+	_showWaypointLabelsAction->setCheckable(true);
+	connect(_showWaypointLabelsAction, SIGNAL(triggered(bool)), _pathView,
+	  SLOT(showWaypointLabels(bool)));
+	_showRouteWaypointsAction = new QAction(tr("Route waypoints"), this);
+	_showRouteWaypointsAction->setCheckable(true);
+	connect(_showRouteWaypointsAction, SIGNAL(triggered(bool)), _pathView,
+	  SLOT(showRouteWaypoints(bool)));
+
+	// Graph actions
+	_showGraphsAction = new QAction(QIcon(QPixmap(SHOW_GRAPHS_ICON)),
+	  tr("Show graphs"), this);
 	_showGraphsAction->setCheckable(true);
 	_showGraphsAction->setShortcut(SHOW_GRAPHS_SHORTCUT);
 	connect(_showGraphsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showGraphs(bool)));
 	addAction(_showGraphsAction);
+	ag = new QActionGroup(this);
+	ag->setExclusive(true);
+	_distanceGraphAction = new QAction(tr("Distance"), this);
+	_distanceGraphAction->setCheckable(true);
+	_distanceGraphAction->setActionGroup(ag);
+	_distanceGraphAction->setShortcut(DISTANCE_GRAPH_SHORTCUT);
+	connect(_distanceGraphAction, SIGNAL(triggered()), this,
+	  SLOT(setDistanceGraph()));
+	_timeGraphAction = new QAction(tr("Time"), this);
+	_timeGraphAction->setCheckable(true);
+	_timeGraphAction->setActionGroup(ag);
+	_timeGraphAction->setShortcut(TIME_GRAPH_SHORTCUT);
+	connect(_timeGraphAction, SIGNAL(triggered()), this,
+	  SLOT(setTimeGraph()));
+
+	// Settings actions
 	_showToolbarsAction = new QAction(tr("Show toolbars"), this);
 	_showToolbarsAction->setCheckable(true);
 	connect(_showToolbarsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showToolbars(bool)));
-	QActionGroup *ag = new QActionGroup(this);
+	ag = new QActionGroup(this);
 	ag->setExclusive(true);
 	_metricUnitsAction = new QAction(tr("Metric"), this);
 	_metricUnitsAction->setCheckable(true);
@@ -320,51 +367,68 @@ void GUI::createActions()
 
 void GUI::createMenus()
 {
-	_fileMenu = menuBar()->addMenu(tr("File"));
-	_fileMenu->addAction(_openFileAction);
-	_fileMenu->addSeparator();
-	_fileMenu->addAction(_printFileAction);
-	_fileMenu->addAction(_exportFileAction);
-	_fileMenu->addSeparator();
-	_fileMenu->addAction(_reloadFileAction);
-	_fileMenu->addSeparator();
-	_fileMenu->addAction(_closeFileAction);
+	QMenu *fileMenu = menuBar()->addMenu(tr("File"));
+	fileMenu->addAction(_openFileAction);
+	fileMenu->addSeparator();
+	fileMenu->addAction(_printFileAction);
+	fileMenu->addAction(_exportFileAction);
+	fileMenu->addSeparator();
+	fileMenu->addAction(_reloadFileAction);
+	fileMenu->addSeparator();
+	fileMenu->addAction(_closeFileAction);
 #ifndef Q_OS_MAC
-	_fileMenu->addSeparator();
-	_fileMenu->addAction(_exitAction);
+	fileMenu->addSeparator();
+	fileMenu->addAction(_exitAction);
 #endif // Q_OS_MAC
 
-	_mapMenu = menuBar()->addMenu(tr("Map"));
-	_mapMenu->addActions(_mapActions);
-	_mapMenu->addSeparator();
-	_mapMenu->addAction(_clearMapCacheAction);
-	_mapMenu->addSeparator();
-	_mapMenu->addAction(_showMapAction);
+	QMenu *mapMenu = menuBar()->addMenu(tr("Map"));
+	mapMenu->addActions(_mapActions);
+	mapMenu->addSeparator();
+	mapMenu->addAction(_clearMapCacheAction);
+	mapMenu->addSeparator();
+	mapMenu->addAction(_showMapAction);
 
-	_poiMenu = menuBar()->addMenu(tr("POI"));
-	_poiFilesMenu = _poiMenu->addMenu(tr("POI files"));
+	QMenu *graphMenu = menuBar()->addMenu(tr("Graph"));
+	graphMenu->addAction(_distanceGraphAction);
+	graphMenu->addAction(_timeGraphAction);
+	graphMenu->addSeparator();
+	graphMenu->addAction(_showGraphsAction);
+
+	QMenu *poiMenu = menuBar()->addMenu(tr("POI"));
+	_poiFilesMenu = poiMenu->addMenu(tr("POI files"));
 	_poiFilesMenu->addActions(_poiFilesActions);
-	_poiMenu->addSeparator();
-	_poiMenu->addAction(_openPOIAction);
-	_poiMenu->addAction(_closePOIAction);
-	_poiMenu->addSeparator();
-	_poiMenu->addAction(_showPOIAction);
+	poiMenu->addSeparator();
+	poiMenu->addAction(_openPOIAction);
+	poiMenu->addAction(_closePOIAction);
+	poiMenu->addSeparator();
+	poiMenu->addAction(_showPOILabelsAction);
+	poiMenu->addAction(_overlapPOIAction);
+	poiMenu->addSeparator();
+	poiMenu->addAction(_showPOIAction);
 
-	_settingsMenu = menuBar()->addMenu(tr("Settings"));
-	_unitsMenu = _settingsMenu->addMenu(tr("Units"));
-	_unitsMenu->addAction(_metricUnitsAction);
-	_unitsMenu->addAction(_imperialUnitsAction);
-	_settingsMenu->addSeparator();
-	_settingsMenu->addAction(_showToolbarsAction);
-	_settingsMenu->addAction(_showGraphsAction);
-	_settingsMenu->addSeparator();
-	_settingsMenu->addAction(_fullscreenAction);
+	QMenu *dataMenu = menuBar()->addMenu(tr("Data"));
+	QMenu *displayMenu = dataMenu->addMenu(tr("Display"));
+	displayMenu->addAction(_showWaypointLabelsAction);
+	displayMenu->addAction(_showRouteWaypointsAction);
+	dataMenu->addSeparator();
+	dataMenu->addAction(_showTracksAction);
+	dataMenu->addAction(_showRoutesAction);
+	dataMenu->addAction(_showWaypointsAction);
 
-	_helpMenu = menuBar()->addMenu(tr("Help"));
-	_helpMenu->addAction(_dataSourcesAction);
-	_helpMenu->addAction(_keysAction);
-	_helpMenu->addSeparator();
-	_helpMenu->addAction(_aboutAction);
+	QMenu *settingsMenu = menuBar()->addMenu(tr("Settings"));
+	QMenu *unitsMenu = settingsMenu->addMenu(tr("Units"));
+	unitsMenu->addAction(_metricUnitsAction);
+	unitsMenu->addAction(_imperialUnitsAction);
+	settingsMenu->addSeparator();
+	settingsMenu->addAction(_showToolbarsAction);
+	settingsMenu->addSeparator();
+	settingsMenu->addAction(_fullscreenAction);
+
+	QMenu *helpMenu = menuBar()->addMenu(tr("Help"));
+	helpMenu->addAction(_dataSourcesAction);
+	helpMenu->addAction(_keysAction);
+	helpMenu->addSeparator();
+	helpMenu->addAction(_aboutAction);
 }
 
 void GUI::createToolBars()
@@ -382,6 +446,7 @@ void GUI::createToolBars()
 	_showToolBar = addToolBar(tr("Show"));
 	_showToolBar->addAction(_showPOIAction);
 	_showToolBar->addAction(_showMapAction);
+	_showToolBar->addAction(_showGraphsAction);
 
 	_navigationToolBar = addToolBar(tr("Navigation"));
 	_navigationToolBar->addAction(_firstAction);
@@ -390,49 +455,35 @@ void GUI::createToolBars()
 	_navigationToolBar->addAction(_lastAction);
 }
 
-void GUI::createTrackView()
+void GUI::createPathView()
 {
-	_track = new TrackView(this);
+	_pathView = new PathView(this);
 #ifdef Q_OS_WIN32
-	_track->setFrameShape(QFrame::NoFrame);
+	_pathView->setFrameShape(QFrame::NoFrame);
 #endif // Q_OS_WIN32
 }
 
-void GUI::createTrackGraphs()
+void GUI::createGraphTabs()
 {
-	_elevationGraph = new ElevationGraph;
-	_elevationGraph->setFrameShape(QFrame::NoFrame);
-	_speedGraph = new SpeedGraph;
-	_speedGraph->setFrameShape(QFrame::NoFrame);
-	_heartRateGraph = new HeartRateGraph;
-	_heartRateGraph->setFrameShape(QFrame::NoFrame);
-	_temperatureGraph = new TemperatureGraph;
-	_temperatureGraph->setFrameShape(QFrame::NoFrame);
-
-	_trackGraphs = new QTabWidget;
-	connect(_trackGraphs, SIGNAL(currentChanged(int)), this,
+	_graphTabWidget = new QTabWidget;
+	connect(_graphTabWidget, SIGNAL(currentChanged(int)), this,
 	  SLOT(graphChanged(int)));
 
-	_trackGraphs->setFixedHeight(200);
-	_trackGraphs->setSizePolicy(
+	_graphTabWidget->setFixedHeight(200);
+	_graphTabWidget->setSizePolicy(
 		QSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed));
 #ifdef Q_OS_WIN32
-	_trackGraphs->setDocumentMode(true);
+	_graphTabWidget->setDocumentMode(true);
 #endif // Q_OS_WIN32
 
-	_tabs.append(GraphTab(_elevationGraph, tr("Elevation")));
-	_tabs.append(GraphTab(_speedGraph, tr("Speed")));
-	_tabs.append(GraphTab(_heartRateGraph, tr("Heart rate")));
-	_tabs.append(GraphTab(_temperatureGraph, tr("Temperature")));
+	_tabs.append(new ElevationGraph);
+	_tabs.append(new SpeedGraph);
+	_tabs.append(new HeartRateGraph);
+	_tabs.append(new TemperatureGraph);
 
-	connect(_elevationGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(sliderPositionChanged(qreal)));
-	connect(_speedGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(sliderPositionChanged(qreal)));
-	connect(_heartRateGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(sliderPositionChanged(qreal)));
-	connect(_temperatureGraph, SIGNAL(sliderPositionChanged(qreal)), this,
-	  SLOT(sliderPositionChanged(qreal)));
+	for (int i = 0; i < _tabs.count(); i++)
+		connect(_tabs.at(i), SIGNAL(sliderPositionChanged(qreal)), this,
+		  SLOT(sliderPositionChanged(qreal)));
 }
 
 void GUI::createStatusBar()
@@ -447,8 +498,6 @@ void GUI::createStatusBar()
 	statusBar()->addPermanentWidget(_distanceLabel, 1);
 	statusBar()->addPermanentWidget(_timeLabel, 1);
 	statusBar()->setSizeGripEnabled(false);
-
-	updateStatusBarInfo();
 }
 
 void GUI::about()
@@ -563,30 +612,33 @@ bool GUI::openFile(const QString &fileName)
 bool GUI::loadFile(const QString &fileName)
 {
 	GPX gpx;
+	QList<PathItem*> paths;
 
 	if (gpx.loadFile(fileName)) {
-		_elevationGraph->loadGPX(gpx);
-		_speedGraph->loadGPX(gpx);
-		_heartRateGraph->loadGPX(gpx);
-		_temperatureGraph->loadGPX(gpx);
+		paths = _pathView->loadGPX(gpx);
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->loadGPX(gpx, paths);
 		updateGraphTabs();
-		_track->setHidden(false);
-		_track->loadGPX(gpx);
+		_pathView->setHidden(false);
 		if (_showPOIAction->isChecked())
-			_track->loadPOI(_poi);
-		_track->movePositionMarker(_sliderPos);
+			_pathView->loadPOI(_poi);
 
-		for (int i = 0; i < gpx.trackCount(); i++) {
-			_distance += gpx.track(i).distance();
-			_time += gpx.track(i).time();
-			const QDate &date = gpx.track(i).date().date();
+		for (int i = 0; i < gpx.tracks().count(); i++) {
+			_trackDistance += gpx.tracks().at(i)->distance();
+			_time += gpx.tracks().at(i)->time();
+			const QDate &date = gpx.tracks().at(i)->date().date();
 			if (_dateRange.first.isNull() || _dateRange.first > date)
 				_dateRange.first = date;
 			if (_dateRange.second.isNull() || _dateRange.second < date)
 				_dateRange.second = date;
 		}
+		_trackCount += gpx.tracks().count();
 
-		_trackCount += gpx.trackCount();
+		for (int i = 0; i < gpx.routes().count(); i++)
+			_routeDistance += gpx.routes().at(i)->distance();
+		_routeCount += gpx.routes().count();
+
+		_waypointCount += gpx.waypoints().count();
 
 		return true;
 	} else {
@@ -626,9 +678,10 @@ bool GUI::openPOIFile(const QString &fileName)
 		return false;
 	} else {
 		_showPOIAction->setChecked(true);
-		_track->loadPOI(_poi);
-		_poiFilesMenu->addAction(createPOIFileAction(
-		  _poi.files().indexOf(fileName)));
+		_pathView->loadPOI(_poi);
+		QAction *action = createPOIFileAction(_poi.files().indexOf(fileName));
+		action->setChecked(true);
+		_poiFilesMenu->addAction(action);
 
 		return true;
 	}
@@ -642,7 +695,7 @@ void GUI::closePOIFiles()
 		delete _poiFilesActions[i];
 	_poiFilesActions.clear();
 
-	_track->clearPOI();
+	_pathView->clearPOI();
 
 	_poi.clear();
 }
@@ -683,7 +736,9 @@ void GUI::plot(QPrinter *printer)
 	QPainter p(printer);
 	TrackInfo info;
 	qreal ih, gh, mh, ratio;
-
+	Units units = _imperialUnitsAction->isChecked() ? Imperial : Metric;
+	qreal d = distance();
+	qreal t = time();
 
 	if (_dateRange.first.isValid()) {
 		if (_dateRange.first == _dateRange.second) {
@@ -694,20 +749,20 @@ void GUI::plot(QPrinter *printer)
 			info.insert(tr("Date"), QString("%1 - %2")
 			  .arg(_dateRange.first.toString(format),
 			  _dateRange.second.toString(format)));
-			info.insert(tr("Tracks"), QString::number(_trackCount));
 		}
 	}
-	if (_distance > 0) {
-		if (_imperialUnitsAction->isChecked()) {
-			info.insert(tr("Distance"), QString::number(_distance * M2MI, 'f',
-			  1) + UNIT_SPACE + tr("mi"));
-		} else {
-			info.insert(tr("Distance"), QString::number(_distance * M2KM, 'f',
-			  1) + UNIT_SPACE + tr("km"));
-		}
-	}
-	if (_time > 0)
-		info.insert(tr("Time"), timeSpan(_time));
+
+	if (_trackCount > 1)
+		info.insert(tr("Tracks"), QString::number(_trackCount));
+	if (_routeCount > 1)
+		info.insert(tr("Routes"), QString::number(_routeCount));
+	if (_waypointCount > 2)
+		info.insert(tr("Waypoints"), QString::number(_waypointCount));
+
+	if (d > 0)
+		info.insert(tr("Distance"), ::distance(d, units));
+	if (t > 0)
+		info.insert(tr("Time"), ::timeSpan(t));
 
 
 	ratio = p.paintEngine()->paintDevice()->logicalDpiX() / SCREEN_DPI;
@@ -719,32 +774,33 @@ void GUI::plot(QPrinter *printer)
 		mh = ih / 2;
 		info.plot(&p, QRectF(0, 0, printer->width(), ih));
 	}
-	if (_trackGraphs->isVisible()) {
+	if (_graphTabWidget->isVisible()) {
 		qreal r = (((qreal)(printer)->width()) / (qreal)(printer->height()));
 		gh = (printer->width() > printer->height())
 		  ? 0.15 * r * (printer->height() - ih - 2*mh)
 		  : 0.15 * (printer->height() - ih - 2*mh);
 		gh = qMax(gh, ratio * 150);
-		GraphView *gv = static_cast<GraphView*>(_trackGraphs->currentWidget());
-		gv->plot(&p,  QRectF(0, printer->height() - gh, printer->width(), gh));
+		GraphTab *gt = static_cast<GraphTab*>(_graphTabWidget->currentWidget());
+		gt->plot(&p,  QRectF(0, printer->height() - gh, printer->width(), gh));
 	} else
 		gh = 0;
-	_track->plot(&p, QRectF(0, ih + mh, printer->width(), printer->height()
+	_pathView->plot(&p, QRectF(0, ih + mh, printer->width(), printer->height()
 	  - (ih + 2*mh + gh)));
 }
 
 void GUI::reloadFile()
 {
-	_distance = 0;
+	_trackCount = 0;
+	_routeCount = 0;
+	_waypointCount = 0;
+	_trackDistance = 0;
+	_routeDistance = 0;
 	_time = 0;
 	_dateRange = DateRange(QDate(), QDate());
-	_trackCount = 0;
 
-	_elevationGraph->clear();
-	_speedGraph->clear();
-	_heartRateGraph->clear();
-	_temperatureGraph->clear();
-	_track->clear();
+	for (int i = 0; i < _tabs.count(); i++)
+		_tabs.at(i)->clear();
+	_pathView->clear();
 
 	_sliderPos = 0;
 
@@ -767,18 +823,19 @@ void GUI::reloadFile()
 
 void GUI::closeFiles()
 {
-	_distance = 0;
+	_trackCount = 0;
+	_routeCount = 0;
+	_waypointCount = 0;
+	_trackDistance = 0;
+	_routeDistance = 0;
 	_time = 0;
 	_dateRange = DateRange(QDate(), QDate());
-	_trackCount = 0;
 
 	_sliderPos = 0;
 
-	_elevationGraph->clear();
-	_speedGraph->clear();
-	_heartRateGraph->clear();
-	_temperatureGraph->clear();
-	_track->clear();
+	for (int i = 0; i < _tabs.count(); i++)
+		_tabs.at(i)->clear();
+	_pathView->clear();
 
 	_files.clear();
 }
@@ -797,22 +854,22 @@ void GUI::closeAll()
 void GUI::showPOI(bool checked)
 {
 	if (checked)
-		_track->loadPOI(_poi);
+		_pathView->loadPOI(_poi);
 	else
-		_track->clearPOI();
+		_pathView->clearPOI();
 }
 
 void GUI::showMap(bool checked)
 {
 	if (checked)
-		_track->setMap(_currentMap);
+		_pathView->setMap(_currentMap);
 	else
-		_track->setMap(0);
+		_pathView->setMap(0);
 }
 
 void GUI::showGraphs(bool checked)
 {
-	_trackGraphs->setHidden(!checked);
+	_graphTabWidget->setHidden(!checked);
 }
 
 void GUI::showToolbars(bool checked)
@@ -834,7 +891,7 @@ void GUI::showToolbars(bool checked)
 void GUI::showFullscreen(bool checked)
 {
 	if (checked) {
-		_frameStyle = _track->frameStyle();
+		_frameStyle = _pathView->frameStyle();
 		_showGraphs = _showGraphsAction->isChecked();
 
 		statusBar()->hide();
@@ -842,7 +899,7 @@ void GUI::showFullscreen(bool checked)
 		showToolbars(false);
 		showGraphs(false);
 		_showGraphsAction->setChecked(false);
-		_track->setFrameStyle(QFrame::NoFrame);
+		_pathView->setFrameStyle(QFrame::NoFrame);
 
 		showFullScreen();
 	} else {
@@ -853,46 +910,59 @@ void GUI::showFullscreen(bool checked)
 		_showGraphsAction->setChecked(_showGraphs);
 		if (_showGraphsAction->isEnabled())
 			showGraphs(_showGraphs);
-		_track->setFrameStyle(_frameStyle);
+		_pathView->setFrameStyle(_frameStyle);
 
 		showNormal();
 	}
 }
 
+void GUI::showTracks(bool show)
+{
+	_pathView->showTracks(show);
+
+	for (int i = 0; i < _tabs.size(); i++)
+		_tabs.at(i)->showTracks(show);
+
+	updateStatusBarInfo();
+}
+
+void GUI::showRoutes(bool show)
+{
+	_pathView->showRoutes(show);
+
+	for (int i = 0; i < _tabs.size(); i++)
+		_tabs.at(i)->showRoutes(show);
+
+	updateStatusBarInfo();
+}
+
 void GUI::clearMapCache()
 {
 	_currentMap->clearCache();
-	_track->redraw();
+	_pathView->redraw();
 }
 
 void GUI::updateStatusBarInfo()
 {
-	if (_files.count() == 0) {
+	if (_files.count() == 0)
 		_fileNameLabel->setText(tr("No GPX files loaded"));
-		_distanceLabel->clear();
-		_timeLabel->clear();
-		return;
-	} else if (_files.count() == 1)
+	else if (_files.count() == 1)
 		_fileNameLabel->setText(_files.at(0));
 	else
-		_fileNameLabel->setText(tr("%1 tracks").arg(_trackCount));
+		_fileNameLabel->setText(tr("%1 files").arg(_files.count()));
 
-	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));
+	qreal d = distance();
+	Units units = _imperialUnitsAction->isChecked() ? Imperial : Metric;
+	if (d > 0)
+		_distanceLabel->setText(::distance(distance(), units));
+	else
+		_distanceLabel->clear();
+
+	qreal t = time();
+	if (t > 0)
+		_timeLabel->setText(::timeSpan(time()));
+	else
+		_timeLabel->clear();
 }
 
 void GUI::updateWindowTitle()
@@ -909,7 +979,7 @@ void GUI::mapChanged(int index)
 	_currentMap = _maps.at(index);
 
 	if (_showMapAction->isChecked())
-		_track->setMap(_currentMap);
+		_pathView->setMap(_currentMap);
 }
 
 void GUI::nextMap()
@@ -935,15 +1005,14 @@ void GUI::poiFileChecked(int index)
 	_poi.enableFile(_poi.files().at(index),
 	  _poiFilesActions.at(index)->isChecked());
 
-	_track->clearPOI();
+	_pathView->clearPOI();
 	if (_showPOIAction->isChecked())
-		_track->loadPOI(_poi);
+		_pathView->loadPOI(_poi);
 }
 
 void GUI::sliderPositionChanged(qreal pos)
 {
 	_sliderPos = pos;
-	_track->movePositionMarker(_sliderPos);
 }
 
 void GUI::graphChanged(int index)
@@ -951,8 +1020,8 @@ void GUI::graphChanged(int index)
 	if (index < 0)
 		return;
 
-	GraphView *gv = static_cast<GraphView*>(_trackGraphs->widget(index));
-	gv->setSliderPosition(_sliderPos);
+	GraphTab *gt = static_cast<GraphTab*>(_graphTabWidget->widget(index));
+	gt->setSliderPosition(_sliderPos);
 }
 
 void GUI::updateNavigationActions()
@@ -977,53 +1046,52 @@ void GUI::updateNavigationActions()
 void GUI::updateGraphTabs()
 {
 	int index;
-	GraphView *gv;
+	GraphTab *tab;
 
 	for (int i = 0; i < _tabs.size(); i++) {
-		gv = _tabs.at(i).first;
-		if (!gv->count() && (index = _trackGraphs->indexOf(gv)) >= 0)
-			_trackGraphs->removeTab(index);
+		tab = _tabs.at(i);
+		if (!tab->count() && (index = _graphTabWidget->indexOf(tab)) >= 0)
+			_graphTabWidget->removeTab(index);
 	}
 
 	for (int i = 0; i < _tabs.size(); i++) {
-		gv = _tabs.at(i).first;
-		if (gv->count() && _trackGraphs->indexOf(gv) < 0)
-			_trackGraphs->insertTab(i, gv, _tabs.at(i).second);
+		tab = _tabs.at(i);
+		if (tab->count() && _graphTabWidget->indexOf(tab) < 0)
+			_graphTabWidget->insertTab(i, tab, _tabs.at(i)->label());
 	}
 
-	if (_trackGraphs->count()) {
+	if (_graphTabWidget->count()) {
 		if (_showGraphsAction->isChecked())
-			_trackGraphs->setHidden(false);
+			_graphTabWidget->setHidden(false);
 		_showGraphsAction->setEnabled(true);
 	} else {
-		_trackGraphs->setHidden(true);
+		_graphTabWidget->setHidden(true);
 		_showGraphsAction->setEnabled(false);
 	}
 }
 
 void GUI::updateTrackView()
 {
-	_track->setHidden(!(_track->trackCount() + _track->waypointCount()));
+	_pathView->setHidden(!(_pathView->trackCount() + _pathView->routeCount()
+	  + _pathView->waypointCount()));
 }
 
-void GUI::setMetricUnits()
+void GUI::setUnits(Units units)
 {
-	_track->setUnits(Metric);
-	_elevationGraph->setUnits(Metric);
-	_speedGraph->setUnits(Metric);
-	_heartRateGraph->setUnits(Metric);
-	_temperatureGraph->setUnits(Metric);
+	_pathView->setUnits(units);
+	for (int i = 0; i <_tabs.count(); i++)
+		_tabs.at(i)->setUnits(units);
 	updateStatusBarInfo();
 }
 
-void GUI::setImperialUnits()
+void GUI::setGraphType(GraphType type)
 {
-	_track->setUnits(Imperial);
-	_elevationGraph->setUnits(Imperial);
-	_speedGraph->setUnits(Imperial);
-	_heartRateGraph->setUnits(Imperial);
-	_temperatureGraph->setUnits(Imperial);
-	updateStatusBarInfo();
+	_sliderPos = 0;
+
+	for (int i = 0; i <_tabs.count(); i++) {
+		_tabs.at(i)->setGraphType(type);
+		_tabs.at(i)->setSliderPosition(0);
+	}
 }
 
 void GUI::next()
@@ -1118,7 +1186,6 @@ void GUI::writeSettings()
 	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);
@@ -1127,8 +1194,15 @@ void GUI::writeSettings()
 	settings.setValue(SHOW_MAP_SETTING, _showMapAction->isChecked());
 	settings.endGroup();
 
+	settings.beginGroup(GRAPH_SETTINGS_GROUP);
+	settings.setValue(SHOW_GRAPHS_SETTING, _showGraphsAction->isChecked());
+	settings.setValue(GRAPH_TYPE_SETTING, _timeGraphAction->isChecked()
+	  ? Time : Distance);
+	settings.endGroup();
+
 	settings.beginGroup(POI_SETTINGS_GROUP);
 	settings.setValue(SHOW_POI_SETTING, _showPOIAction->isChecked());
+	settings.setValue(OVERLAP_POI_SETTING, _overlapPOIAction->isChecked());
 
 	settings.remove(DISABLED_POI_FILE_SETTINGS_PREFIX);
 	settings.beginWriteArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
@@ -1140,6 +1214,18 @@ void GUI::writeSettings()
 	}
 	settings.endArray();
 	settings.endGroup();
+
+	settings.beginGroup(DATA_SETTINGS_GROUP);
+	settings.setValue(SHOW_TRACKS_SETTING, _showTracksAction->isChecked());
+	settings.setValue(SHOW_ROUTES_SETTING, _showRoutesAction->isChecked());
+	settings.setValue(SHOW_WAYPOINTS_SETTING,
+	  _showWaypointsAction->isChecked());
+	settings.setValue(SHOW_WAYPOINT_LABELS_SETTING,
+	  _showWaypointLabelsAction->isChecked());
+	settings.setValue(SHOW_ROUTE_WAYPOINTS_SETTING,
+	  _showRouteWaypointsAction->isChecked());
+
+	settings.endGroup();
 }
 
 void GUI::readSettings()
@@ -1159,16 +1245,10 @@ void GUI::readSettings()
 		_imperialUnitsAction->setChecked(true);
 	} else
 		_metricUnitsAction->setChecked(true);
-	if (settings.value(SHOW_TOOLBARS_SETTING, true).toBool() == false) {
+	if (settings.value(SHOW_TOOLBARS_SETTING, true).toBool() == false)
 		showToolbars(false);
-		_showToolbarsAction->setChecked(false);
-	} else
+	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);
@@ -1179,12 +1259,32 @@ void GUI::readSettings()
 		_mapActions.at(index)->setChecked(true);
 		_currentMap = _maps.at(index);
 		if (_showMapAction->isChecked())
-			_track->setMap(_currentMap);
+			_pathView->setMap(_currentMap);
 	} else
 		_currentMap = 0;
 	settings.endGroup();
 
+	settings.beginGroup(GRAPH_SETTINGS_GROUP);
+	if (settings.value(SHOW_GRAPHS_SETTING, true).toBool() == false)
+		showGraphs(false);
+	else
+		_showGraphsAction->setChecked(true);
+	if (settings.value(GRAPH_TYPE_SETTING, Distance).toInt() == Time) {
+		setTimeGraph();
+		_timeGraphAction->setChecked(true);
+	} else
+		_distanceGraphAction->setChecked(true);
+	settings.endGroup();
+
 	settings.beginGroup(POI_SETTINGS_GROUP);
+	if (settings.value(OVERLAP_POI_SETTING, true).toBool() == false)
+		_pathView->setPOIOverlap(false);
+	else
+		_overlapPOIAction->setChecked(true);
+	if (settings.value(LABELS_POI_SETTING, true).toBool() == false)
+		_pathView->showPOILabels(false);
+	else
+		_showPOILabelsAction->setChecked(true);
 	if (settings.value(SHOW_POI_SETTING, false).toBool() == true)
 		_showPOIAction->setChecked(true);
 	for (int i = 0; i < _poiFilesActions.count(); i++)
@@ -1201,6 +1301,33 @@ void GUI::readSettings()
 	}
 	settings.endArray();
 	settings.endGroup();
+
+	settings.beginGroup(DATA_SETTINGS_GROUP);
+	if (settings.value(SHOW_TRACKS_SETTING, true).toBool() == false) {
+		_pathView->showTracks(false);
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->showTracks(false);
+	} else
+		_showTracksAction->setChecked(true);
+	if (settings.value(SHOW_ROUTES_SETTING, true).toBool() == false) {
+		_pathView->showRoutes(false);
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->showRoutes(false);
+	} else
+		_showRoutesAction->setChecked(true);
+	if (settings.value(SHOW_WAYPOINTS_SETTING, true).toBool() == false)
+		_pathView->showWaypoints(false);
+	else
+		_showWaypointsAction->setChecked(true);
+	if (settings.value(SHOW_WAYPOINT_LABELS_SETTING, true).toBool() == false)
+		_pathView->showWaypointLabels(false);
+	else
+		_showWaypointLabelsAction->setChecked(true);
+	if (settings.value(SHOW_ROUTE_WAYPOINTS_SETTING, true).toBool() == false)
+		_pathView->showRouteWaypoints(false);
+	else
+		_showRouteWaypointsAction->setChecked(true);
+	settings.endGroup();
 }
 
 int GUI::mapIndex(const QString &name)
@@ -1211,3 +1338,20 @@ int GUI::mapIndex(const QString &name)
 
 	return 0;
 }
+
+qreal GUI::distance()
+{
+	qreal dist = 0;
+
+	if (_showTracksAction->isChecked())
+		dist += _trackDistance;
+	if (_showRoutesAction->isChecked())
+		dist += _routeDistance;
+
+	return dist;
+}
+
+qreal GUI::time()
+{
+	return (_showTracksAction->isChecked()) ? _time : 0;
+}

src/gui.h

@@ -6,6 +6,8 @@
 #include <QList>
 #include <QDate>
 #include <QPrinter>
+#include "units.h"
+#include "graph.h"
 #include "poi.h"
 #include "margins.h"
 
@@ -18,12 +20,8 @@ class QLabel;
 class QSignalMapper;
 class QPrinter;
 class FileBrowser;
-class GraphView;
-class ElevationGraph;
-class SpeedGraph;
-class HeartRateGraph;
-class TemperatureGraph;
-class TrackView;
+class GraphTab;
+class PathView;
 class Map;
 
 class GUI : public QMainWindow
@@ -52,6 +50,8 @@ private slots:
 	void showGraphs(bool checked);
 	void showToolbars(bool checked);
 	void showFullscreen(bool checked);
+	void showTracks(bool show);
+	void showRoutes(bool show);
 	void clearMapCache();
 	void nextMap();
 	void prevMap();
@@ -65,13 +65,14 @@ private slots:
 	void last();
 	void first();
 
-	void setMetricUnits();
-	void setImperialUnits();
+	void setMetricUnits() {setUnits(Metric);}
+	void setImperialUnits() {setUnits(Imperial);}
+	void setDistanceGraph() {setGraphType(Distance);}
+	void setTimeGraph() {setGraphType(Time);}
 
 	void sliderPositionChanged(qreal pos);
 
 private:
-	typedef QPair<GraphView *, QString> GraphTab;
 	typedef QPair<QDate, QDate> DateRange;
 
 	void loadMaps();
@@ -86,8 +87,8 @@ private:
 	void createMenus();
 	void createToolBars();
 	void createStatusBar();
-	void createTrackView();
-	void createTrackGraphs();
+	void createPathView();
+	void createGraphTabs();
 
 	bool openPOIFile(const QString &fileName);
 	bool loadFile(const QString &fileName);
@@ -98,28 +99,25 @@ private:
 	void updateGraphTabs();
 	void updateTrackView();
 
-	void keyPressEvent(QKeyEvent * event);
-	void closeEvent(QCloseEvent *event);
+	void setUnits(Units units);
+	void setGraphType(GraphType type);
 
+	qreal distance();
+	qreal time();
 	int mapIndex(const QString &name);
 	void readSettings();
 	void writeSettings();
 
-	QMenu *_fileMenu;
-	QMenu *_helpMenu;
-	QMenu *_poiMenu;
-	QMenu *_mapMenu;
-	QMenu *_settingsMenu;
-	QMenu *_unitsMenu;
-	QMenu *_poiFilesMenu;
+	void keyPressEvent(QKeyEvent *event);
+	void closeEvent(QCloseEvent *event);
 
 	QToolBar *_fileToolBar;
 	QToolBar *_showToolBar;
 	QToolBar *_navigationToolBar;
-	QTabWidget *_trackGraphs;
+	QMenu *_poiFilesMenu;
+
 	QActionGroup *_fileActionGroup;
 	QActionGroup *_navigationActionGroup;
-
 	QAction *_exitAction;
 	QAction *_keysAction;
 	QAction *_dataSourcesAction;
@@ -133,10 +131,14 @@ private:
 	QAction *_openPOIAction;
 	QAction *_closePOIAction;
 	QAction *_showPOIAction;
+	QAction *_overlapPOIAction;
+	QAction *_showPOILabelsAction;
 	QAction *_showMapAction;
 	QAction *_fullscreenAction;
 	QAction *_clearMapCacheAction;
 	QAction *_showGraphsAction;
+	QAction *_distanceGraphAction;
+	QAction *_timeGraphAction;
 	QAction *_showToolbarsAction;
 	QAction *_nextAction;
 	QAction *_prevAction;
@@ -146,6 +148,11 @@ private:
 	QAction *_imperialUnitsAction;
 	QAction *_nextMapAction;
 	QAction *_prevMapAction;
+	QAction *_showTracksAction;
+	QAction *_showRoutesAction;
+	QAction *_showWaypointsAction;
+	QAction *_showWaypointLabelsAction;
+	QAction *_showRouteWaypointsAction;
 	QList<QAction*> _mapActions;
 	QList<QAction*> _poiFilesActions;
 
@@ -155,12 +162,9 @@ private:
 	QLabel *_distanceLabel;
 	QLabel *_timeLabel;
 
-	TrackView *_track;
-	ElevationGraph *_elevationGraph;
-	SpeedGraph *_speedGraph;
-	HeartRateGraph *_heartRateGraph;
-	TemperatureGraph *_temperatureGraph;
-	QList<GraphTab> _tabs;
+	PathView *_pathView;
+	QTabWidget *_graphTabWidget;
+	QList<GraphTab*> _tabs;
 
 	POI _poi;
 	QList<Map*> _maps;
@@ -170,7 +174,10 @@ private:
 	Map *_currentMap;
 
 	int _trackCount;
-	qreal _distance;
+	int _routeCount;
+	int _waypointCount;
+	qreal _trackDistance;
+	qreal _routeDistance;
 	qreal _time;
 	DateRange _dateRange;
 

src/heartrategraph.cpp

@@ -2,50 +2,55 @@
 #include "heartrategraph.h"
 
 
-HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphView(parent)
+HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
 {
 	_units = Metric;
+	_showTracks = true;
 
 	GraphView::setYUnits(tr("1/min"));
-	setXLabel(tr("Distance"));
 	setYLabel(tr("Heart rate"));
 
 	setSliderPrecision(0);
 }
 
-void HeartRateGraph::addInfo()
+void HeartRateGraph::setInfo()
 {
-	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();
+	if (_showTracks) {
+		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());
+	} else
+		clearInfo();
 }
 
-void HeartRateGraph::loadGPX(const GPX &gpx)
+void HeartRateGraph::loadGPX(const GPX &gpx, const QList<PathItem *> &paths)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		const Graph &graph = gpx.tracks().at(i)->heartRate();
 		qreal sum = 0, w = 0;
 
-		gpx.track(i).heartRateGraph(data);
-		if (data.count() < 2) {
+		if (graph.size() < 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();
+		for (int j = 1; j < graph.size(); j++) {
+			qreal ds = graph.at(j).s() - graph.at(j-1).s();
+			sum += graph.at(j).y() * ds;
+			w += ds;
 		}
-		_avg.append(QPointF(gpx.track(i).distance(), sum/w));
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(), sum/w));
 
-		loadData(data);
+		GraphView::loadGraph(graph, paths.at(i));
 	}
 
-	setXUnits();
-	addInfo();
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
 }
 
 qreal HeartRateGraph::avg() const
@@ -68,32 +73,12 @@ void HeartRateGraph::clear()
 	GraphView::clear();
 }
 
-void HeartRateGraph::setXUnits()
+void HeartRateGraph::showTracks(bool show)
 {
-	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);
-		}
-	}
-}
+	_showTracks = show;
 
-void HeartRateGraph::setUnits(enum Units units)
-{
-	_units = units;
-	setXUnits();
+	showGraph(show);
+	setInfo();
 
-	clearInfo();
-	addInfo();
+	redraw();
 }

src/heartrategraph.h

@@ -1,31 +1,33 @@
 #ifndef HEARTRATEGRAPH_H
 #define HEARTRATEGRAPH_H
 
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
 class GPX;
 
-class HeartRateGraph : public GraphView
+class HeartRateGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	HeartRateGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Heart rate");}
+	void loadGPX(const GPX &gpx, const QList<PathItem *> &paths);
 	void clear();
-	void setUnits(enum Units units);
-
-	qreal avg() const;
-	qreal max() const {return bounds().bottom();}
+	void setUnits(enum Units) {}
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
 
 private:
-	void setXUnits();
-	void addInfo();
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+	void setInfo();
 
 	QList<QPointF> _avg;
+
 	enum Units _units;
+	bool _showTracks;
 };
 
 #endif // HEARTRATEGRAPH_H

src/icons.h

@@ -8,6 +8,7 @@
 #define CLOSE_FILE_ICON  ":/icons/dialog-close.png"
 #define SHOW_POI_ICON    ":/icons/flag.png"
 #define SHOW_MAP_ICON    ":/icons/applications-internet.png"
+#define SHOW_GRAPHS_ICON ":/icons/office-chart-line-stacked.png"
 #define QUIT_ICON        ":/icons/application-exit.png"
 #define RELOAD_FILE_ICON ":/icons/view-refresh.png"
 #define NEXT_FILE_ICON   ":/icons/arrow-right.png"

src/keys.h

@@ -4,26 +4,28 @@
 #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 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 CLOSE_SHORTCUT        QKeySequence::Close
-#define RELOAD_SHORTCUT       QKeySequence::Refresh
-#define EXPORT_SHORTCUT       QKeySequence(Qt::CTRL + Qt::Key_E)
-#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)
+#define QUIT_SHORTCUT           QKeySequence::Quit
+#define OPEN_SHORTCUT           QKeySequence::Open
+#define CLOSE_SHORTCUT          QKeySequence::Close
+#define RELOAD_SHORTCUT         QKeySequence::Refresh
+#define EXPORT_SHORTCUT         QKeySequence(Qt::CTRL + Qt::Key_E)
+#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)
+#define DISTANCE_GRAPH_SHORTCUT QKeySequence(Qt::CTRL + Qt::Key_D)
+#define TIME_GRAPH_SHORTCUT     QKeySequence(Qt::CTRL + Qt::Key_T)
 #ifdef Q_OS_MAC
-#define FULLSCREEN_SHORTCUT   QKeySequence(Qt::META + Qt::CTRL + Qt::Key_F)
+#define FULLSCREEN_SHORTCUT     QKeySequence(Qt::META + Qt::CTRL + Qt::Key_F)
 #else // Q_OS_MAC
-#define FULLSCREEN_SHORTCUT   QKeySequence(Qt::Key_F11)
+#define FULLSCREEN_SHORTCUT     QKeySequence(Qt::Key_F11)
 #endif // Q_OS_MAC
 
 #endif // KEYS_H

src/ll.cpp

@@ -35,6 +35,16 @@ QPointF ll2mercator(const QPointF &ll)
 	return m;
 }
 
+QPointF mercator2ll(const QPointF &m)
+{
+	QPointF ll;
+
+	ll.setX(m.x());
+	ll.setY(rad2deg(2 * atan(exp(deg2rad(m.y()))) - M_PI/2));
+
+	return ll;
+}
+
 QPoint mercator2tile(const QPointF &m, int z)
 {
 	QPoint tile;

src/ll.h

@@ -8,6 +8,7 @@
 #define ZOOM_MIN 3
 
 QPointF ll2mercator(const QPointF &ll);
+QPointF mercator2ll(const QPointF &m);
 qreal llDistance(const QPointF &p1, const QPointF &p2);
 QPoint mercator2tile(const QPointF &m, int zoom);
 QPointF tile2mercator(const QPoint &tile, int zoom);

src/misc.cpp

@@ -0,0 +1,86 @@
+#include <cmath>
+#include <QApplication>
+#include "misc.h"
+
+
+double niceNum(double x, int round)
+{
+	int expv;
+	double f;
+	double nf;
+
+	expv = (int)floor(log10(x));
+	f = x / pow(10.0, expv);
+
+	if (round) {
+		if (f < 1.5)
+			nf = 1.0;
+		else if (f < 3.0)
+			nf = 2.0;
+		else if (f < 7.0)
+			nf = 5.0;
+		else
+			nf = 10.0;
+	} else {
+		if (f <= 1.0)
+			nf = 1.0;
+		else if (f <= 2.0)
+			nf = 2.0;
+		else if (f <= 5.0)
+			nf = 5.0;
+		else
+			nf = 10.0;
+	}
+
+	return nf * pow(10.0, expv);
+}
+
+QString timeSpan(qreal time)
+{
+	unsigned h, m, s;
+
+	h = time / 3600;
+	m = (time - (h * 3600)) / 60;
+	s = time - (h * 3600) - (m * 60);
+
+	return QString("%1:%2:%3").arg(h).arg(m, 2, 10, QChar('0'))
+	  .arg(s, 2, 10, QChar('0'));
+}
+
+QString distance(qreal value, Units units)
+{
+	if (units == Imperial) {
+		if (value < MIINM)
+			return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Misc", "ft");
+		else
+			return QString::number(value * M2MI, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Misc", "mi");
+	} else {
+		if (value < KMINM)
+			return QString::number(value, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Misc", "m");
+		else
+			return QString::number(value * M2KM, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Misc", "km");
+	}
+}
+
+QString elevation(qreal value, Units units)
+{
+	if (units == Metric)
+		return QString::number(value, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Misc", "m");
+	else
+		return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Misc", "ft");
+}
+
+QString coordinates(const QPointF &value)
+{
+	QChar yH = (value.y() < 0) ? 'S' : 'N';
+	QChar xH = (value.x() < 0) ? 'W' : 'E';
+
+	return QString::number(qAbs(value.y()), 'f', 5) + yH + "," + QChar(0x00A0)
+	  + QString::number(qAbs(value.x()), 'f', 5) + xH;
+}

src/misc.h

@@ -0,0 +1,15 @@
+#ifndef MISC_H
+#define MISC_H
+
+#include <QString>
+#include <QPoint>
+#include "units.h"
+
+double niceNum(double x, int round);
+
+QString timeSpan(qreal time);
+QString distance(qreal value, Units units);
+QString elevation(qreal value, Units units);
+QString coordinates(const QPointF &value);
+
+#endif // MISC_H

src/nicenum.cpp

@@ -1,34 +0,0 @@
-#include <cmath>
-#include "nicenum.h"
-
-double niceNum(double x, int round)
-{
-	int expv;
-	double f;
-	double nf;
-
-	expv = (int)floor(log10(x));
-	f = x / pow(10.0, expv);
-
-	if (round) {
-		if (f < 1.5)
-			nf = 1.0;
-		else if (f < 3.0)
-			nf = 2.0;
-		else if (f < 7.0)
-			nf = 5.0;
-		else
-			nf = 10.0;
-	} else {
-		if (f <= 1.0)
-			nf = 1.0;
-		else if (f <= 2.0)
-			nf = 2.0;
-		else if (f <= 5.0)
-			nf = 5.0;
-		else
-			nf = 10.0;
-	}
-
-	return nf * pow(10.0, expv);
-}

src/nicenum.h

@@ -1,6 +0,0 @@
-#ifndef NICENUM_H
-#define NICENUM_H
-
-double niceNum(double x, int round);
-
-#endif // NICENUM_H

src/parser.cpp

@@ -1,40 +1,96 @@
 #include "parser.h"
 
 
-void Parser::handleExtensionData(QStringRef element, const QString &value)
+void Parser::handleTrackpointData(DataType type, const QString &value)
 {
-	if (element == "speed")
-		_track->last().speed = value.toDouble();
-	else if (element == "hr" || element == "heartrate")
-		_track->last().heartRate = value.toDouble();
-	else if (element == "atemp" || element == "temp")
-		_track->last().temperature = value.toDouble();
+	switch (type) {
+		case Elevation:
+			_track->last().setElevation(value.toLatin1().toDouble());
+			break;
+		case Time:
+			_track->last().setTimestamp(QDateTime::fromString(value.toLatin1(),
+			  Qt::ISODate));
+			break;
+		case Geoidheight:
+			_track->last().setGeoidHeight(value.toLatin1().toDouble());
+			break;
+		case Speed:
+			_track->last().setSpeed(value.toDouble());
+			break;
+		case HeartRate:
+			_track->last().setHeartRate(value.toDouble());
+			break;
+		case Temperature:
+			_track->last().setTemperature(value.toDouble());
+			break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleTrekPointData(QStringRef element, const QString &value)
+void Parser::handleWaypointData(DataType type, const QString &value)
 {
-	if (element == "ele")
-		_track->last().elevation = value.toLatin1().toDouble();
-	else if (element == "time")
-		_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
-		  Qt::ISODate);
-	else if (element == "geoidheight")
-		_track->last().geoidheight = value.toLatin1().toDouble();
+	switch (type) {
+		case Name:
+			_waypoints.last().setName(value);
+			break;
+		case Description:
+			_waypoints.last().setDescription(value);
+			break;
+	    case Time:
+		    _waypoints.last().setTimestamp(QDateTime::fromString(
+			  value.toLatin1(), Qt::ISODate));
+		    break;
+	    case Elevation:
+		    _waypoints.last().setElevation(value.toLatin1().toDouble());
+		    break;
+	    case Geoidheight:
+		    _waypoints.last().setGeoidHeight(value.toLatin1().toDouble());
+		    break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleWayPointData(QStringRef element, const QString &value)
+void Parser::handleRoutepointData(DataType type, const QString &value)
 {
-	if (element == "name")
-		_waypoints.last().setDescription(value);
+	switch (type) {
+		case Name:
+			_route->last().setName(value);
+			break;
+		case Description:
+			_route->last().setDescription(value);
+			break;
+		case Time:
+			_route->last().setTimestamp(QDateTime::fromString(
+			  value.toLatin1(), Qt::ISODate));
+			break;
+		case Elevation:
+			_route->last().setElevation(value.toLatin1().toDouble());
+			break;
+		case Geoidheight:
+			_route->last().setGeoidHeight(value.toLatin1().toDouble());
+			break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleTrekPointAttributes(const QXmlStreamAttributes &attr)
+void Parser::handleTrackpointAttributes(const QXmlStreamAttributes &attr)
 {
-	_track->last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
-	_track->last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
+	_track->last().setCoordinates(QPointF(
+	  attr.value("lon").toLatin1().toDouble(),
+	  attr.value("lat").toLatin1().toDouble()));
 }
 
-void Parser::handleWayPointAttributes(const QXmlStreamAttributes &attr)
+void Parser::handleRoutepointAttributes(const QXmlStreamAttributes &attr)
+{
+	_route->last().setCoordinates(QPointF(
+	  attr.value("lon").toLatin1().toDouble(),
+	  attr.value("lat").toLatin1().toDouble()));
+}
+
+void Parser::handleWaypointAttributes(const QXmlStreamAttributes &attr)
 {
 	_waypoints.last().setCoordinates(QPointF(
 	  attr.value("lon").toLatin1().toDouble(),
@@ -44,8 +100,10 @@ void Parser::handleWayPointAttributes(const QXmlStreamAttributes &attr)
 void Parser::tpExtension()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "hr" || _reader.name() == "atemp")
-			handleExtensionData(_reader.name(), _reader.readElementText());
+		if (_reader.name() == "hr")
+			handleTrackpointData(HeartRate, _reader.readElementText());
+		else if (_reader.name() == "atemp")
+			handleTrackpointData(Temperature, _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
@@ -54,9 +112,12 @@ void Parser::tpExtension()
 void Parser::extensions()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "speed" || _reader.name() == "hr"
-		  || _reader.name() == "heartrate" || _reader.name() == "temp")
-			handleExtensionData(_reader.name(), _reader.readElementText());
+		if (_reader.name() == "speed")
+			handleTrackpointData(Speed, _reader.readElementText());
+		else if (_reader.name() == "hr" || _reader.name() == "heartrate")
+			handleTrackpointData(HeartRate, _reader.readElementText());
+		else if (_reader.name() == "temp")
+			handleTrackpointData(Temperature, _reader.readElementText());
 		else if (_reader.name() == "TrackPointExtension")
 			tpExtension();
 		else
@@ -64,12 +125,15 @@ void Parser::extensions()
 	}
 }
 
-void Parser::trackPointData()
+void Parser::trackpointData()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "ele" || _reader.name() == "time"
-		  || _reader.name() == "geoidheight")
-			handleTrekPointData(_reader.name(), _reader.readElementText());
+		if (_reader.name() == "ele")
+			handleTrackpointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleTrackpointData(Time, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleTrackpointData(Geoidheight, _reader.readElementText());
 		else if (_reader.name() == "extensions")
 			extensions();
 		else
@@ -77,13 +141,43 @@ void Parser::trackPointData()
 	}
 }
 
-void Parser::trackPoints()
+void Parser::routepointData()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "name")
+			handleRoutepointData(Name, _reader.readElementText());
+		else if (_reader.name() == "desc")
+			handleRoutepointData(Description, _reader.readElementText());
+		else if (_reader.name() == "ele")
+			handleRoutepointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleRoutepointData(Geoidheight, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleRoutepointData(Time, _reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void Parser::trackpoints()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkpt") {
 			_track->append(Trackpoint());
-			handleTrekPointAttributes(_reader.attributes());
-			trackPointData();
+			handleTrackpointAttributes(_reader.attributes());
+			trackpointData();
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void Parser::routepoints()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "rtept") {
+			_route->append(Waypoint());
+			handleRoutepointAttributes(_reader.attributes());
+			routepointData();
 		} else
 			_reader.skipCurrentElement();
 	}
@@ -93,17 +187,25 @@ void Parser::track()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkseg") {
-			trackPoints();
+			trackpoints();
 		} else
 			_reader.skipCurrentElement();
 	}
 }
 
-void Parser::wayPointData()
+void Parser::waypointData()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "name")
-			handleWayPointData(_reader.name(), _reader.readElementText());
+			handleWaypointData(Name, _reader.readElementText());
+		else if (_reader.name() == "desc")
+			handleWaypointData(Description, _reader.readElementText());
+		else if (_reader.name() == "ele")
+			handleWaypointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleWaypointData(Geoidheight, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleWaypointData(Time, _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
@@ -116,10 +218,14 @@ void Parser::gpx()
 			_tracks.append(QVector<Trackpoint>());
 			_track = &_tracks.back();
 			track();
+		} else if (_reader.name() == "rte") {
+			_routes.append(QVector<Waypoint>());
+			_route = &_routes.back();
+			routepoints();
 		} else if (_reader.name() == "wpt") {
 			_waypoints.append(Waypoint());
-			handleWayPointAttributes(_reader.attributes());
-			wayPointData();
+			handleWaypointAttributes(_reader.attributes());
+			waypointData();
 		} else
 			_reader.skipCurrentElement();
 	}

src/parser.h

@@ -11,32 +11,45 @@
 class Parser
 {
 public:
-	Parser(QList<QVector<Trackpoint> > &tracks, QList<Waypoint> &waypoints)
-	  : _tracks(tracks), _waypoints(waypoints) {_track = 0;}
+	Parser(QList<QVector<Trackpoint> > &tracks,
+	  QList<QVector<Waypoint> > &routes, QList<Waypoint> &waypoints)
+	  : _tracks(tracks), _routes(routes), _waypoints(waypoints)
+	  {_track = 0; _route = 0;}
+
 	bool loadFile(QIODevice *device);
 	QString errorString() const {return _reader.errorString();}
 	int errorLine() const {return _reader.lineNumber();}
 
 private:
+	enum DataType {
+		Name, Description, Elevation, Time, Geoidheight, Speed, HeartRate,
+		Temperature
+	};
+
 	bool parse();
 	void gpx();
 	void track();
-	void trackPoints();
+	void trackpoints();
+	void routepoints();
 	void tpExtension();
 	void extensions();
-	void trackPointData();
-	void wayPointData();
+	void trackpointData();
+	void routepointData();
+	void waypointData();
 
-	void handleWayPointAttributes(const QXmlStreamAttributes &attr);
-	void handleWayPointData(QStringRef element, const QString &value);
-	void handleTrekPointAttributes(const QXmlStreamAttributes &attr);
-	void handleTrekPointData(QStringRef element, const QString &value);
-	void handleExtensionData(QStringRef element, const QString &value);
+	void handleWaypointAttributes(const QXmlStreamAttributes &attr);
+	void handleWaypointData(DataType type, const QString &value);
+	void handleTrackpointAttributes(const QXmlStreamAttributes &attr);
+	void handleTrackpointData(DataType type, const QString &value);
+	void handleRoutepointAttributes(const QXmlStreamAttributes &attr);
+	void handleRoutepointData(DataType type, const QString &value);
 
 	QXmlStreamReader _reader;
 	QList<QVector<Trackpoint> > &_tracks;
+	QList<QVector<Waypoint> > &_routes;
 	QList<Waypoint> &_waypoints;
 	QVector<Trackpoint> *_track;
+	QVector<Waypoint> *_route;
 };
 
 #endif // PARSER_H

src/pathitem.cpp

@@ -0,0 +1,104 @@
+#include <QApplication>
+#include <QCursor>
+#include <QPainter>
+#include "tooltip.h"
+#include "pathitem.h"
+
+
+#define PATH_WIDTH  3
+#define HOVER_WIDTH 4
+
+void PathItem::updateShape()
+{
+	QPainterPathStroker s;
+	s.setWidth(HOVER_WIDTH * 1.0/scale());
+	_shape = s.createStroke(_path);
+
+	if (qMax(boundingRect().width(), boundingRect().height()) * scale() <= 768)
+		setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+	else
+		setCacheMode(QGraphicsItem::NoCache);
+}
+
+PathItem::PathItem(QGraphicsItem *parent) : QGraphicsObject(parent)
+{
+	QBrush brush(Qt::SolidPattern);
+	_pen = QPen(brush, PATH_WIDTH);
+
+	_units = Metric;
+
+	_marker = new MarkerItem(this);
+
+	setCursor(Qt::ArrowCursor);
+	setAcceptHoverEvents(true);
+}
+
+void PathItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath(_path);
+
+/*
+	QPen p = QPen(QBrush(Qt::red), 0);
+	painter->setPen(p);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void PathItem::setScale(qreal scale)
+{
+	prepareGeometryChange();
+
+	_pen.setWidthF(PATH_WIDTH * 1.0/scale);
+	QGraphicsItem::setScale(scale);
+	_marker->setScale(1.0/scale);
+
+	updateShape();
+}
+
+void PathItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+void PathItem::setUnits(enum Units units)
+{
+	_units = units;
+}
+
+void PathItem::moveMarker(qreal distance)
+{
+	if (distance > _distance)
+		_marker->setVisible(false);
+	else {
+		_marker->setVisible(true);
+		_marker->setPos(_path.pointAtPercent(distance / _distance));
+	}
+}
+
+void PathItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	_pen.setWidthF(HOVER_WIDTH * 1.0/scale());
+	setZValue(zValue() + 1.0);
+	update();
+
+	emit selected(true);
+}
+
+void PathItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	_pen.setWidthF(PATH_WIDTH * 1.0/scale());
+	setZValue(zValue() - 1.0);
+	update();
+
+	emit selected(false);
+}

src/pathitem.h

@@ -0,0 +1,51 @@
+#ifndef PATHITEM_H
+#define PATHITEM_H
+
+#include <QGraphicsObject>
+#include <QPen>
+#include "markeritem.h"
+#include "units.h"
+
+
+class PathItem : public QGraphicsObject
+{
+	Q_OBJECT
+
+public:
+	PathItem(QGraphicsItem *parent = 0);
+
+	QPainterPath shape() const {return _shape;}
+	QRectF boundingRect() const {return _shape.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	const QPainterPath &path() const {return _path;}
+	void showMarker(bool show) {_marker->setVisible(show);}
+	void setScale(qreal scale);
+	void setUnits(enum Units units);
+	void setColor(const QColor &color);
+
+public slots:
+	void moveMarker(qreal distance);
+
+signals:
+	void selected(bool);
+
+protected:
+	void updateShape();
+
+	QPainterPath _path;
+	QPainterPath _shape;
+	QPen _pen;
+
+	MarkerItem *_marker;
+
+	Units _units;
+	qreal _distance;
+
+private:
+	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+};
+
+#endif // PATHITEM_H

src/pathview.cpp

@@ -0,0 +1,619 @@
+#include <QGraphicsView>
+#include <QGraphicsScene>
+#include <QWheelEvent>
+#include "ll.h"
+#include "poi.h"
+#include "gpx.h"
+#include "map.h"
+#include "trackitem.h"
+#include "routeitem.h"
+#include "waypointitem.h"
+#include "scaleitem.h"
+#include "pathview.h"
+
+
+#define MARGIN          10.0
+#define SCALE_OFFSET    7
+
+PathView::PathView(QWidget *parent)
+	: QGraphicsView(parent)
+{
+	_scene = new QGraphicsScene(this);
+	setScene(_scene);
+	setCacheMode(QGraphicsView::CacheBackground);
+	setDragMode(QGraphicsView::ScrollHandDrag);
+	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setRenderHints(QPainter::Antialiasing);
+
+	_mapScale = new ScaleItem();
+	_mapScale->setZValue(2.0);
+
+	_zoom = ZOOM_MAX;
+	_scale = mapScale(_zoom);
+	_map = 0;
+
+	_units = Metric;
+
+	_showTracks = true;
+	_showRoutes = true;
+	_showWaypoints = true;
+	_showWaypointLabels = true;
+	_showPOILabels = true;
+	_overlapPOIs = true;
+	_showRouteWaypoints = true;
+
+	_plot = false;
+}
+
+PathView::~PathView()
+{
+	if (_mapScale->scene() != _scene)
+		delete _mapScale;
+}
+
+PathItem *PathView::addTrack(const Track &track)
+{
+	if (track.isNull()) {
+		_palette.color();
+		return 0;
+	}
+
+	TrackItem *ti = new TrackItem(track);
+	_tracks.append(ti);
+	_zoom = qMin(_zoom, scale2zoom(trackScale()));
+	_scale = mapScale(_zoom);
+	ti->setScale(1.0/_scale);
+	ti->setColor(_palette.color());
+	ti->setVisible(_showTracks);
+	_scene->addItem(ti);
+
+	return ti;
+}
+
+PathItem *PathView::addRoute(const Route &route)
+{
+	if (route.isNull()) {
+		_palette.color();
+		return 0;
+	}
+
+	RouteItem *ri = new RouteItem(route);
+	_routes.append(ri);
+	_zoom = qMin(_zoom, scale2zoom(routeScale()));
+	_scale = mapScale(_zoom);
+	ri->setScale(1.0/_scale);
+	ri->setColor(_palette.color());
+	ri->setVisible(_showRoutes);
+	ri->showWaypoints(_showRouteWaypoints);
+	ri->showWaypointLabels(_showWaypointLabels);
+	_scene->addItem(ri);
+
+	return ri;
+}
+
+void PathView::addWaypoints(const QList<Waypoint> &waypoints)
+{
+	for (int i = 0; i < waypoints.count(); i++) {
+		const Waypoint &w = waypoints.at(i);
+
+		WaypointItem *wi = new WaypointItem(w);
+		wi->setScale(1.0/_scale);
+		wi->setZValue(1);
+		wi->showLabel(_showWaypointLabels);
+		wi->setVisible(_showWaypoints);
+		_scene->addItem(wi);
+
+		_waypoints.append(wi);
+	}
+
+	_zoom = qMin(_zoom, scale2zoom(waypointScale()));
+	_scale = mapScale(_zoom);
+}
+
+QList<PathItem *> PathView::loadGPX(const GPX &gpx)
+{
+	QList<PathItem *> paths;
+	int zoom = _zoom;
+
+
+	for (int i = 0; i < gpx.tracks().count(); i++)
+		paths.append(addTrack(*(gpx.tracks().at(i))));
+	for (int i = 0; i < gpx.routes().count(); i++)
+		paths.append(addRoute(*(gpx.routes().at(i))));
+	addWaypoints(gpx.waypoints());
+
+	if (_tracks.empty() && _routes.empty() && _waypoints.empty())
+		return paths;
+
+	if ((_tracks.size() + _routes.size() > 1 && _zoom < zoom)
+	  || (_waypoints.size() && _zoom < zoom))
+		rescale(_scale);
+
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
+	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
+	_scene->setSceneRect(ba);
+	centerOn(ba.center());
+
+	_mapScale->setZoom(_zoom, -(br.center().ry() * _scale));
+	if (_mapScale->scene() != _scene)
+		_scene->addItem(_mapScale);
+
+	return paths;
+}
+
+QRectF PathView::trackBoundingRect() const
+{
+	if (_tracks.empty())
+		return QRectF();
+
+	QRectF br = _tracks.at(0)->sceneBoundingRect();
+	for (int i = 1; i < _tracks.size(); i++)
+		br |= _tracks.at(i)->sceneBoundingRect();
+
+	return br;
+}
+
+QRectF PathView::routeBoundingRect() const
+{
+	if (_routes.empty())
+		return QRectF();
+
+	QRectF br = _routes.at(0)->sceneBoundingRect();
+	for (int i = 1; i < _routes.size(); i++)
+		br |= _routes.at(i)->sceneBoundingRect();
+
+	return br;
+}
+
+QRectF PathView::waypointBoundingRect() const
+{
+	qreal bottom, top, left, right;
+
+	if (_waypoints.empty())
+		return QRectF();
+
+	const QPointF &p = _waypoints.at(0)->pos();
+	bottom = p.y();
+	top = p.y();
+	left = p.x();
+	right = p.x();
+
+	for (int i = 1; i < _waypoints.size(); i++) {
+		const QPointF &p = _waypoints.at(i)->pos();
+		bottom = qMax(bottom, p.y());
+		top = qMin(top, p.y());
+		right = qMax(right, p.x());
+		left = qMin(left, p.x());
+	}
+
+	return QRectF(QPointF(left, top), QPointF(right, bottom));
+}
+
+qreal PathView::trackScale() const
+{
+	if (_tracks.empty())
+		return mapScale(ZOOM_MAX);
+
+	QRectF br = _tracks.at(0)->path().boundingRect();
+
+	for (int i = 1; i < _tracks.size(); i++)
+		br |= _tracks.at(i)->path().boundingRect();
+
+	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
+	  br.height() / (viewport()->height() - MARGIN/2));
+
+	return qMax(sc.x(), sc.y());
+}
+
+qreal PathView::routeScale() const
+{
+	if (_routes.empty())
+		return mapScale(ZOOM_MAX);
+
+	QRectF br = _routes.at(0)->path().boundingRect();
+
+	for (int i = 1; i < _routes.size(); i++)
+		br |= _routes.at(i)->path().boundingRect();
+
+	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
+	  br.height() / (viewport()->height() - MARGIN/2));
+
+	return qMax(sc.x(), sc.y());
+}
+
+qreal PathView::waypointScale() const
+{
+	qreal bottom, top, left, right;
+
+	if (_waypoints.size() < 2)
+		return mapScale(ZOOM_MAX);
+
+	const QPointF &p = _waypoints.at(0)->coordinates();
+	bottom = p.y();
+	top = p.y();
+	left = p.x();
+	right = p.x();
+
+	for (int i = 1; i < _waypoints.size(); i++) {
+		const QPointF &p = _waypoints.at(i)->coordinates();
+		bottom = qMax(bottom, p.y());
+		top = qMin(top, p.y());
+		right = qMax(right, p.x());
+		left = qMin(left, p.x());
+	}
+
+	QRectF br(QPointF(left, top), QPointF(right, bottom));
+	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
+	  br.height() / (viewport()->height() - MARGIN/2));
+
+	return qMax(sc.x(), sc.y());
+}
+
+qreal PathView::mapScale(int zoom) const
+{
+	return ((360.0/(qreal)(1<<zoom))/(qreal)TILE_SIZE);
+}
+
+void PathView::checkPOIOverlap()
+{
+	QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
+
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
+		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
+			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
+			  && it.value()->collidesWithItem(jt.value()))
+				jt.value()->hide();
+		}
+	}
+}
+
+void PathView::rescale(qreal scale)
+{
+	for (int i = 0; i < _tracks.size(); i++)
+		_tracks.at(i)->setScale(1.0/scale);
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->setScale(1.0/scale);
+
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->setScale(1.0/scale);
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
+		it.value()->setScale(1.0/scale);
+		it.value()->show();
+	}
+
+	if (!_overlapPOIs)
+		checkPOIOverlap();
+
+	_scale = scale;
+}
+
+void PathView::addPOI(const QVector<Waypoint> &waypoints)
+{
+	for (int i = 0; i < waypoints.size(); i++) {
+		const Waypoint &w = waypoints.at(i);
+
+		if (_pois.contains(w))
+			continue;
+
+		WaypointItem *pi = new WaypointItem(w);
+		pi->setScale(1.0/_scale);
+		pi->setZValue(1);
+		pi->showLabel(_showPOILabels);
+		_scene->addItem(pi);
+
+		_pois.insert(w, pi);
+	}
+}
+
+void PathView::loadPOI(const POI &poi)
+{
+	if (!_tracks.size() && !_routes.size() && !_waypoints.size())
+		return;
+
+	for (int i = 0; i < _tracks.size(); i++)
+		addPOI(poi.points(_tracks.at(i)->path()));
+	for (int i = 0; i < _routes.size(); i++)
+		addPOI(poi.points(_routes.at(i)->path()));
+	addPOI(poi.points(_waypoints));
+
+	if (!_overlapPOIs)
+		checkPOIOverlap();
+}
+
+void PathView::setMap(Map *map)
+{
+	_map = map;
+	if (_map)
+		connect(_map, SIGNAL(loaded()), this, SLOT(redraw()),
+		  Qt::UniqueConnection);
+	resetCachedContent();
+}
+
+void PathView::setUnits(enum Units units)
+{
+	_units = units;
+
+	_mapScale->setUnits(units);
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks[i]->setUnits(units);
+	for (int i = 0; i < _routes.count(); i++)
+		_routes[i]->setUnits(units);
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->setUnits(units);
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+		it.value()->setUnits(units);
+}
+
+void PathView::redraw()
+{
+	resetCachedContent();
+}
+
+void PathView::rescale()
+{
+	_zoom = qMin(qMin(scale2zoom(trackScale()), scale2zoom(routeScale())),
+	  scale2zoom(waypointScale()));
+
+	rescale(mapScale(_zoom));
+	_mapScale->setZoom(_zoom);
+}
+
+void PathView::zoom(int z, const QPointF &pos)
+{
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+		return;
+
+	qreal scale = _scale;
+	_zoom = z;
+
+	rescale(mapScale(_zoom));
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
+	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
+	_scene->setSceneRect(ba);
+
+	if (br.width() < viewport()->size().width()
+	  && br.height() < viewport()->size().height())
+		centerOn(br.center());
+	else
+		centerOn(pos * scale/_scale);
+
+	_mapScale->setZoom(_zoom);
+
+	resetCachedContent();
+}
+
+void PathView::wheelEvent(QWheelEvent *event)
+{
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+		return;
+
+	QPointF pos = mapToScene(event->pos());
+	int z = (event->delta() > 0) ?
+		qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
+
+	zoom(z, pos);
+}
+
+void PathView::keyPressEvent(QKeyEvent *event)
+{
+	int z = -1;
+
+	if (event->matches(QKeySequence::ZoomIn))
+		z = qMin(_zoom + 1, ZOOM_MAX);
+	if (event->matches(QKeySequence::ZoomOut))
+		z = qMax(_zoom - 1, ZOOM_MIN);
+
+	if (z >= 0)
+		zoom(z, mapToScene(QRect(QPoint(), size()).center()));
+	else
+		QWidget::keyPressEvent(event);
+}
+
+void PathView::plot(QPainter *painter, const QRectF &target)
+{
+	QRect orig, adj;
+	qreal ratio, diff;
+
+
+	orig = viewport()->rect();
+
+	if (orig.height() * (target.width() / target.height()) - orig.width() < 0) {
+		ratio = target.height()/target.width();
+		diff = (orig.width() * ratio) - orig.height();
+		adj = orig.adjusted(0, -diff/2, 0, diff/2);
+	} else {
+		ratio = target.width() / target.height();
+		diff = (orig.height() * ratio) - orig.width();
+		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
+	}
+
+	setUpdatesEnabled(false);
+	_plot = true;
+
+	QPointF pos = _mapScale->pos();
+	_mapScale->setPos(mapToScene(QPoint(adj.bottomRight() + QPoint(
+	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
+	  -(SCALE_OFFSET + _mapScale->boundingRect().height())))));
+
+	render(painter, target, adj);
+
+	_mapScale->setPos(pos);
+
+	_plot = false;
+	setUpdatesEnabled(true);
+}
+
+void PathView::clearPOI()
+{
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
+		_scene->removeItem(it.value());
+		delete it.value();
+	}
+
+	_pois.clear();
+}
+
+void PathView::clear()
+{
+	if (_mapScale->scene() == _scene)
+		_scene->removeItem(_mapScale);
+
+	_pois.clear();
+	_tracks.clear();
+	_routes.clear();
+	_waypoints.clear();
+	_scene->clear();
+	_palette.reset();
+
+	_zoom = ZOOM_MAX;
+	_scale = mapScale(_zoom);
+
+	_scene->setSceneRect(QRectF());
+}
+
+void PathView::showTracks(bool show)
+{
+	_showTracks = show;
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks.at(i)->setVisible(show);
+}
+
+void PathView::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	for (int i = 0; i < _routes.count(); i++)
+		_routes.at(i)->setVisible(show);
+}
+
+void PathView::showWaypoints(bool show)
+{
+	_showWaypoints = show;
+
+	for (int i = 0; i < _waypoints.count(); i++)
+		_waypoints.at(i)->setVisible(show);
+}
+
+void PathView::showWaypointLabels(bool show)
+{
+	_showWaypointLabels = show;
+
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->showLabel(show);
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->showWaypointLabels(show);
+}
+
+void PathView::showRouteWaypoints(bool show)
+{
+	_showRouteWaypoints = show;
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->showWaypoints(show);
+}
+
+void PathView::showPOILabels(bool show)
+{
+	_showPOILabels = show;
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+		it.value()->showLabel(show);
+
+	setPOIOverlap(_overlapPOIs);
+}
+
+void PathView::setPOIOverlap(bool overlap)
+{
+	_overlapPOIs = overlap;
+
+	if (_overlapPOIs) {
+		QHash<Waypoint, WaypointItem*>::const_iterator it;
+		for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+			it.value()->show();
+	} else
+		checkPOIOverlap();
+}
+
+void PathView::drawBackground(QPainter *painter, const QRectF &rect)
+{
+	if ((_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+	  || !_map) {
+		painter->fillRect(rect, Qt::white);
+		return;
+	}
+
+	QRectF rr(rect.topLeft() * _scale, rect.size());
+	QPoint tile = mercator2tile(QPointF(rr.topLeft().x(), -rr.topLeft().y()),
+	  _zoom);
+	QPointF tm = tile2mercator(tile, _zoom);
+	QPoint tl = mapToScene(mapFromScene(QPointF(tm.x() / _scale,
+	  -tm.y() / _scale))).toPoint();
+
+	QList<Tile> tiles;
+	for (int i = 0; i <= rr.size().width() / TILE_SIZE + 1; i++) {
+		for (int j = 0; j <= rr.size().height() / TILE_SIZE + 1; j++) {
+			tiles.append(Tile(QPoint(tile.x() + i, tile.y() + j), _zoom));
+		}
+	}
+
+	_map->loadTiles(tiles, _plot);
+
+	for (int i = 0; i < tiles.count(); i++) {
+		Tile &t = tiles[i];
+		QPoint tp(tl.x() + (t.xy().x() - tile.x()) * TILE_SIZE,
+		  tl.y() + (t.xy().y() - tile.y()) * TILE_SIZE);
+		painter->drawPixmap(tp, t.pixmap());
+	}
+}
+
+void PathView::resizeEvent(QResizeEvent *e)
+{
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+		return;
+
+	rescale();
+
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
+	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
+
+	if (ba.width() < e->size().width()) {
+		qreal diff = e->size().width() - ba.width();
+		ba.adjust(-diff/2, 0, diff/2, 0);
+	}
+	if (ba.height() < e->size().height()) {
+		qreal diff = e->size().height() - ba.height();
+		ba.adjust(0, -diff/2, 0, diff/2);
+	}
+
+	_scene->setSceneRect(ba);
+
+	centerOn(br.center());
+	resetCachedContent();
+}
+
+void PathView::paintEvent(QPaintEvent *e)
+{
+	QPointF scenePos = mapToScene(rect().bottomRight() + QPoint(
+	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
+	  -(SCALE_OFFSET + _mapScale->boundingRect().height())));
+	if (_mapScale->pos() != scenePos && !_plot)
+		_mapScale->setPos(scenePos);
+
+	QGraphicsView::paintEvent(e);
+}

src/pathview.h

@@ -12,19 +12,23 @@
 class GPX;
 class POI;
 class Map;
+class Track;
+class Route;
+class TrackItem;
+class RouteItem;
 class WaypointItem;
-class MarkerItem;
 class ScaleItem;
+class PathItem;
 
-class TrackView : public QGraphicsView
+class PathView : public QGraphicsView
 {
 	Q_OBJECT
 
 public:
-	TrackView(QWidget *parent = 0);
-	~TrackView();
+	PathView(QWidget *parent = 0);
+	~PathView();
 
-	void loadGPX(const GPX &gpx);
+	QList<PathItem*> loadGPX(const GPX &gpx);
 
 	void loadPOI(const POI &poi);
 	void clearPOI();
@@ -35,48 +39,69 @@ public:
 
 	void plot(QPainter *painter, const QRectF &target);
 
-	int trackCount() const {return _paths.count();}
-	int waypointCount() const {return _locations.count();}
+	int trackCount() const {return _tracks.count();}
+	int routeCount() const {return _routes.count();}
+	int waypointCount() const {return _waypoints.count();}
 
 public slots:
-	void movePositionMarker(qreal val);
 	void redraw();
 
+	void setPOIOverlap(bool overlap);
+	void showWaypointLabels(bool show);
+	void showPOILabels(bool show);
+	void showTracks(bool show);
+	void showRoutes(bool show);
+	void showWaypoints(bool show);
+	void showRouteWaypoints(bool show);
+
 private:
-	void addTrack(const QVector<QPointF> &track);
+	PathItem *addTrack(const Track &track);
+	PathItem *addRoute(const Route &route);
 	void addWaypoints(const QList<Waypoint> &waypoints);
 	void addPOI(const QVector<Waypoint> &waypoints);
 
 	QRectF trackBoundingRect() const;
+	QRectF routeBoundingRect() const;
 	QRectF waypointBoundingRect() const;
 	qreal trackScale() const;
+	qreal routeScale() const;
 	qreal waypointScale() const;
 	qreal mapScale(int zoom) const;
 	void rescale(qreal scale);
 	void rescale();
+	void zoom(int z, const QPointF &pos);
+	void checkPOIOverlap();
 
 	void wheelEvent(QWheelEvent *event);
+	void keyPressEvent(QKeyEvent *event);
 	void drawBackground(QPainter *painter, const QRectF &rect);
 	void resizeEvent(QResizeEvent *e);
 	void paintEvent(QPaintEvent *e);
 
 	QGraphicsScene *_scene;
-	QList<QGraphicsPathItem*> _paths;
-	QList<MarkerItem*> _markers;
-	QList<WaypointItem*> _locations;
+	QList<TrackItem*> _tracks;
+	QList<RouteItem*> _routes;
+	QList<WaypointItem*> _waypoints;
 	QHash<Waypoint, WaypointItem*> _pois;
-	QList<QVector<QPointF> > _tracks;
-	QVector<QPointF> _waypoints;
 
 	Map *_map;
 	ScaleItem *_mapScale;
 
 	Palette _palette;
-	qreal _maxPath, _maxDistance;
 
 	qreal _scale;
 	int _zoom;
 
+	Units _units;
+
+	bool _showTracks;
+	bool _showRoutes;
+	bool _showWaypoints;
+	bool _showWaypointLabels;
+	bool _showPOILabels;
+	bool _overlapPOIs;
+	bool _showRouteWaypoints;
+
 	bool _plot;
 };
 

src/poi.cpp

@@ -1,6 +1,8 @@
 #include <QFile>
 #include <QSet>
 #include <QList>
+#include <QPainterPath>
+#include "waypointitem.h"
 #include "ll.h"
 #include "gpx.h"
 #include "poi.h"
@@ -105,10 +107,18 @@ bool POI::loadCSVFile(const QString &fileName)
 			_errorLine = ln;
 			return false;
 		}
-		QByteArray ba = list[2].trimmed();
+		Waypoint wp(QPointF(lon, lat));
 
-		_data.append(Waypoint(QPointF(lon, lat),
-		  QString::fromUtf8(ba.data(), ba.size())));
+		QByteArray ba = list[2].trimmed();
+		QString name = QString::fromUtf8(ba.data(), ba.size());
+		wp.setName(name);
+
+		if (list.size() > 3) {
+			ba = list[3].trimmed();
+			wp.setDescription(QString::fromUtf8(ba.data(), ba.size()));
+		}
+
+		_data.append(wp);
 		ln++;
 	}
 	index.end = _data.size() - 1;
@@ -135,14 +145,39 @@ static bool cb(size_t data, void* context)
 	return true;
 }
 
-QVector<Waypoint> POI::points(const QVector<QPointF> &path, qreal radius) const
+QVector<Waypoint> POI::points(const QPainterPath &path, qreal radius) const
 {
 	QVector<Waypoint> ret;
 	QSet<int> set;
 	qreal min[2], max[2];
 
-	for (int i = 0; i < path.count(); i++) {
-		const QPointF &p = path.at(i);
+	for (int i = 0; i < path.elementCount(); i++) {
+		QPointF p = mercator2ll(path.elementAt(i));
+		min[0] = p.x() - radius;
+		min[1] = -p.y() - radius;
+		max[0] = p.x() + radius;
+		max[1] = -p.y() + radius;
+		_tree.Search(min, max, cb, &set);
+	}
+
+	QSet<int>::const_iterator i = set.constBegin();
+	while (i != set.constEnd()) {
+		ret.append(_data.at(*i));
+		++i;
+	}
+
+	return ret;
+}
+
+QVector<Waypoint> POI::points(const QList<WaypointItem*> &list, qreal radius)
+  const
+{
+	QVector<Waypoint> ret;
+	QSet<int> set;
+	qreal min[2], max[2];
+
+	for (int i = 0; i < list.count(); i++) {
+		const QPointF &p = list.at(i)->waypoint().coordinates();
 		min[0] = p.x() - radius;
 		min[1] = p.y() - radius;
 		max[0] = p.x() + radius;

src/poi.h

@@ -8,6 +8,10 @@
 #include "waypoint.h"
 #include "rtree.h"
 
+class QPainterPath;
+class WaypointItem;
+
+#define POI_RADIUS 0.01
 
 class POI
 {
@@ -17,8 +21,11 @@ public:
 	const QString &errorString() const {return _error;}
 	int errorLine() const {return _errorLine;}
 
-	QVector<Waypoint> points(const QVector<QPointF> &path,
-	  qreal radius = 0.01) const;
+	QVector<Waypoint> points(const QPainterPath &path,
+	  qreal radius = POI_RADIUS) const;
+	QVector<Waypoint> points(const QList<WaypointItem*> &list,
+	  qreal radius = POI_RADIUS) const;
+
 	const QStringList &files() const {return _files;}
 	void enableFile(const QString &fileName, bool enable);
 	void clear();

src/route.cpp

@@ -0,0 +1,30 @@
+#include "ll.h"
+#include "route.h"
+
+Route::Route(const QVector<Waypoint> &data) : _data(data)
+{
+	qreal dist = 0;
+
+	_distance.append(dist);
+	for (int i = 1; i < data.count(); i++) {
+		dist += llDistance(data.at(i).coordinates(), data.at(i-1).coordinates());
+		_distance.append(dist);
+	}
+}
+
+Graph Route::elevation() const
+{
+	Graph graph;
+
+	for (int i = 0; i < _data.size(); i++)
+		if (_data.at(i).hasElevation())
+			graph.append(GraphPoint(_distance.at(i), NAN,
+			  _data.at(i).elevation() - _data.at(i).geoidHeight()));
+
+	return graph;
+}
+
+qreal Route::distance() const
+{
+	return (_distance.isEmpty()) ? 0 : _distance.last();
+}

src/route.h

@@ -0,0 +1,25 @@
+#ifndef ROUTE_H
+#define ROUTE_H
+
+#include <QVector>
+#include "waypoint.h"
+#include "graph.h"
+
+class Route
+{
+public:
+	Route(const QVector<Waypoint> &data);
+
+	const QVector<Waypoint> &route() const {return _data;}
+	Graph elevation() const;
+
+	qreal distance() const;
+
+	bool isNull() const {return (_data.count() < 2);}
+
+private:
+	const QVector<Waypoint> &_data;
+	QVector<qreal> _distance;
+};
+
+#endif // ROUTE_H

src/routeitem.cpp

@@ -0,0 +1,79 @@
+#include <QApplication>
+#include <QPainter>
+#include "ll.h"
+#include "misc.h"
+#include "waypoint.h"
+#include "waypointitem.h"
+#include "tooltip.h"
+#include "routeitem.h"
+
+
+QString RouteItem::toolTip()
+{
+	ToolTip tt;
+
+	tt.insert(qApp->translate("RouteItem", "Distance"),
+	  ::distance(_distance, _units));
+
+	return tt.toString();
+}
+
+RouteItem::RouteItem(const Route &route, QGraphicsItem *parent)
+  : PathItem(parent)
+{
+	QVector<Waypoint> r = route.route();
+	Q_ASSERT(r.count() >= 2);
+
+	new WaypointItem(r.at(0), this);
+	const QPointF &p = r.at(0).coordinates();
+	_path.moveTo(ll2mercator(QPointF(p.x(), -p.y())));
+	for (int i = 1; i < r.size(); i++) {
+		const QPointF &p = r.at(i).coordinates();
+		_path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
+		new WaypointItem(r.at(i), this);
+	}
+
+	updateShape();
+
+	_distance = route.distance();
+
+	_marker->setPos(_path.pointAtPercent(0));
+
+	_pen.setStyle(Qt::DotLine);
+
+	setToolTip(toolTip());
+}
+
+void RouteItem::setScale(qreal scale)
+{
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++)
+		childs.at(i)->setScale(1.0/scale);
+
+	PathItem::setScale(scale);
+}
+
+void RouteItem::setUnits(enum Units units)
+{
+	PathItem::setUnits(units);
+	setToolTip(toolTip());
+}
+
+void RouteItem::showWaypoints(bool show)
+{
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++)
+		if (childs.at(i) != _marker)
+			childs.at(i)->setVisible(show);
+}
+
+void RouteItem::showWaypointLabels(bool show)
+{
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++) {
+		if (childs.at(i) != _marker) {
+			WaypointItem *wi = static_cast<WaypointItem*>(childs.at(i));
+			wi->showLabel(show);
+		}
+	}
+}

src/routeitem.h

@@ -0,0 +1,25 @@
+#ifndef ROUTEITEM_H
+#define ROUTEITEM_H
+
+#include "pathitem.h"
+#include "route.h"
+
+
+class RouteItem : public PathItem
+{
+	Q_OBJECT
+
+public:
+	RouteItem(const Route &route, QGraphicsItem *parent = 0);
+
+	void setUnits(enum Units units);
+	void setScale(qreal scale);
+
+	void showWaypoints(bool show);
+	void showWaypointLabels(bool show);
+
+private:
+	QString toolTip();
+};
+
+#endif // ROUTEITEM_H

src/scaleitem.cpp

@@ -1,10 +1,11 @@
 #include <QPainter>
 #include "config.h"
 #include "ll.h"
-#include "nicenum.h"
+#include "misc.h"
 #include "scaleitem.h"
 
 
+#define BORDER_WIDTH   1
 #define SCALE_WIDTH  132
 #define SCALE_HEIGHT 5
 #define SEGMENTS 3
@@ -17,6 +18,10 @@ ScaleItem::ScaleItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 	_units = Metric;
 	_zoom = ZOOM_MIN;
 	_lat = 0;
+
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
 void ScaleItem::updateBoundingRect()
@@ -31,9 +36,9 @@ void ScaleItem::updateBoundingRect()
 	es = fm.tightBoundingRect(QString::number(_length * SEGMENTS));
 	us = fm.tightBoundingRect(units());
 
-	_boundingRect = QRectF(-ss.width()/2, 0,
-	  _width * SEGMENTS + ss.width()/2 + qMax(us.width() + PADDING, es.width()/2),
-	  SCALE_HEIGHT + PADDING + ss.height() + 2*fm.descent());
+	_boundingRect = QRectF(-ss.width()/2, 0, _width * SEGMENTS + ss.width()/2
+	  + qMax(us.width() + PADDING, es.width()/2) + 1, SCALE_HEIGHT + PADDING
+	  + ss.height() + 2*fm.descent());
 }
 
 void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@@ -46,6 +51,7 @@ void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
 	QRect br;
+	QPen pen = QPen(Qt::black, BORDER_WIDTH);
 	bool aa;
 
 
@@ -53,6 +59,7 @@ void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 		painter->setRenderHint(QPainter::Antialiasing, false);
 
 	painter->setFont(font);
+	painter->setPen(pen);
 
 	for (int i = 0; i <= SEGMENTS; i++) {
 		QString label = QString::number(_length * i);
@@ -67,10 +74,12 @@ void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	for (int i = 0; i < SEGMENTS; i += 2)
 		painter->fillRect(QRectF(i * _width, br.height() + PADDING, _width,
 		  SCALE_HEIGHT), Qt::black);
+
 /*
 	painter->setPen(Qt::red);
 	painter->drawRect(boundingRect());
 */
+
 	if (aa)
 		painter->setRenderHint(QPainter::Antialiasing, true);
 }
@@ -78,9 +87,11 @@ void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 QString ScaleItem::units() const
 {
 	if (_units == Imperial)
-		return _scale ? QObject::tr("mi") : QObject::tr("ft");
+		return _scale ? qApp->translate("ScaleItem", "mi")
+		  : qApp->translate("ScaleItem", "ft");
 	else
-		return _scale ? QObject::tr("km") : QObject::tr("m");
+		return _scale ? qApp->translate("ScaleItem", "km")
+		  : qApp->translate("ScaleItem", "m");
 }
 
 void ScaleItem::computeScale()
@@ -110,12 +121,14 @@ void ScaleItem::computeScale()
 	}
 }
 
-void ScaleItem::setLatitude(qreal lat)
+void ScaleItem::setZoom(int z, qreal lat)
 {
 	prepareGeometryChange();
+	_zoom = z;
 	_lat = lat;
 	computeScale();
 	updateBoundingRect();
+	update();
 }
 
 void ScaleItem::setZoom(int z)
@@ -124,6 +137,7 @@ void ScaleItem::setZoom(int z)
 	_zoom = z;
 	computeScale();
 	updateBoundingRect();
+	update();
 }
 
 void ScaleItem::setUnits(enum Units units)
@@ -132,4 +146,5 @@ void ScaleItem::setUnits(enum Units units)
 	_units = units;
 	computeScale();
 	updateBoundingRect();
+	update();
 }

src/scaleitem.h

@@ -13,8 +13,8 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
-	void setLatitude(qreal lat);
 	void setZoom(int z);
+	void setZoom(int z, qreal lat);
 	void setUnits(enum Units units);
 
 private:

src/settings.h

@@ -3,20 +3,32 @@
 
 #define WINDOW_SETTINGS_GROUP             "Window"
 #define WINDOW_SIZE_SETTING               "size"
-#define WINDOW_POS_SETTING	              "pos"
+#define WINDOW_POS_SETTING                "pos"
 
 #define SETTINGS_SETTINGS_GROUP           "Settings"
-#define UNITS_SETTING	                  "units"
+#define UNITS_SETTING                     "units"
 #define SHOW_TOOLBARS_SETTING             "toolbar"
-#define SHOW_GRAPHS_SETTING	              "graphs"
+
+#define GRAPH_SETTINGS_GROUP              "Graph"
+#define SHOW_GRAPHS_SETTING               "show"
+#define GRAPH_TYPE_SETTING                "type"
 
 #define MAP_SETTINGS_GROUP                "Map"
-#define CURRENT_MAP_SETTING	              "map"
+#define CURRENT_MAP_SETTING               "map"
 #define SHOW_MAP_SETTING                  "show"
 
-#define POI_SETTINGS_GROUP	              "POI"
+#define POI_SETTINGS_GROUP                "POI"
+#define OVERLAP_POI_SETTING               "overlap"
+#define LABELS_POI_SETTING                "labels"
 #define SHOW_POI_SETTING                  "show"
 #define DISABLED_POI_FILE_SETTINGS_PREFIX "disabled"
 #define DISABLED_POI_FILE_SETTING         "file"
 
+#define DATA_SETTINGS_GROUP               "Data"
+#define SHOW_TRACKS_SETTING               "tracks"
+#define SHOW_ROUTES_SETTING               "routes"
+#define SHOW_WAYPOINTS_SETTING            "waypoints"
+#define SHOW_ROUTE_WAYPOINTS_SETTING      "routeWaypoints"
+#define SHOW_WAYPOINT_LABELS_SETTING      "waypointLabels"
+
 #endif // SETTINGS_H

src/slideritem.cpp

@@ -4,7 +4,7 @@
 
 #define SIZE        10
 
-SliderItem::SliderItem(QGraphicsObject *parent) : QGraphicsObject(parent)
+SliderItem::SliderItem(QGraphicsItem *parent) : QGraphicsObject(parent)
 {
 	setFlag(ItemIsMovable);
 	setFlag(ItemSendsGeometryChanges);
@@ -24,7 +24,7 @@ void SliderItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option
 	painter->setPen(Qt::red);
 	painter->drawLine(0, 0, 0, -_area.height());
 
-	//painter->drawRect(boundingRect());
+//	painter->drawRect(boundingRect());
 }
 
 QVariant SliderItem::itemChange(GraphicsItemChange change, const QVariant &value)

src/slideritem.h

@@ -1,14 +1,14 @@
 #ifndef SLIDERITEM_H
 #define SLIDERITEM_H
 
-#include <QGraphicsItem>
+#include <QGraphicsObject>
 
 class SliderItem : public QGraphicsObject
 {
 	Q_OBJECT
 
 public:
-	SliderItem(QGraphicsObject *parent = 0);
+	SliderItem(QGraphicsItem *parent = 0);
 
 	QRectF boundingRect() const;
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,

src/speedgraph.cpp

@@ -3,46 +3,49 @@
 #include "speedgraph.h"
 
 
-SpeedGraph::SpeedGraph(QWidget *parent) : GraphView(parent)
+SpeedGraph::SpeedGraph(QWidget *parent) : GraphTab(parent)
 {
 	_units = Metric;
+	_showTracks = true;
 
 	setYUnits();
-	setXLabel(tr("Distance"));
 	setYLabel(tr("Speed"));
 
 	setSliderPrecision(1);
 }
 
-void SpeedGraph::addInfo()
+void SpeedGraph::setInfo()
 {
-	GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f', 1)
-	  + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(),  'f', 1)
-	  + UNIT_SPACE + yUnits());
-
-	redraw();
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f',
+		  1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
 }
 
-void SpeedGraph::loadGPX(const GPX &gpx)
+void SpeedGraph::loadGPX(const GPX &gpx, const QList<PathItem *> &paths)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
-
-		gpx.track(i).speedGraph(data);
-		if (data.count() < 2) {
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		const Graph &graph = gpx.tracks().at(i)->speed();
+		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		_avg.append(QPointF(gpx.track(i).distance(), gpx.track(i).distance()
-		  / gpx.track(i).time()));
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(),
+		  gpx.tracks().at(i)->distance() / gpx.tracks().at(i)->time()));
 
-		loadData(data);
+		GraphView::loadGraph(graph, paths.at(i));
 	}
 
-	setXUnits();
-	addInfo();
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
 }
 
 qreal SpeedGraph::avg() const
@@ -65,27 +68,6 @@ void SpeedGraph::clear()
 	GraphView::clear();
 }
 
-void SpeedGraph::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 SpeedGraph::setYUnits()
 {
 	if (_units == Metric) {
@@ -100,9 +82,20 @@ void SpeedGraph::setYUnits()
 void SpeedGraph::setUnits(enum Units units)
 {
 	_units = units;
-	setXUnits();
-	setYUnits();
 
-	clearInfo();
-	addInfo();
+	setYUnits();
+	setInfo();
+	GraphView::setUnits(units);
+
+	redraw();
+}
+
+void SpeedGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
 }

src/speedgraph.h

@@ -2,32 +2,34 @@
 #define SPEEDGRAPH_H
 
 #include <QList>
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
 class GPX;
 
-class SpeedGraph : public GraphView
+class SpeedGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	SpeedGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Speed");}
+	void loadGPX(const GPX &gpx, const QList<PathItem *> &paths);
 	void clear();
 	void setUnits(enum Units units);
-
-	qreal avg() const;
-	qreal max() const {return bounds().bottom();}
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
 
 private:
-	void setXUnits();
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
 	void setYUnits();
-	void addInfo();
+	void setInfo();
 
 	QList<QPointF> _avg;
+
 	enum Units _units;
+	bool _showTracks;
 };
 
 #endif // SPEEDGRAPH_H

src/temperaturegraph.cpp

@@ -2,52 +2,57 @@
 #include "temperaturegraph.h"
 
 
-TemperatureGraph::TemperatureGraph(QWidget *parent) : GraphView(parent)
+TemperatureGraph::TemperatureGraph(QWidget *parent) : GraphTab(parent)
 {
 	_units = Metric;
+	_showTracks = true;
 
 	setYUnits();
-	setXLabel(tr("Distance"));
 	setYLabel(tr("Temperature"));
 
 	setSliderPrecision(1);
 }
 
-void TemperatureGraph::addInfo()
+void TemperatureGraph::setInfo()
 {
-	GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
-	  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale()
-	  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
-	GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
-	  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
-
-	redraw();
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
 }
 
-void TemperatureGraph::loadGPX(const GPX &gpx)
+void TemperatureGraph::loadGPX(const GPX &gpx, const QList<PathItem *> &paths)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		const Graph &graph = gpx.tracks().at(i)->temperature();
 		qreal sum = 0, w = 0;
 
-		gpx.track(i).temperatureGraph(data);
-		if (data.count() < 2) {
+		if (graph.size() < 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();
+		for (int j = 1; j < graph.size(); j++) {
+			qreal ds = graph.at(j).s() - graph.at(j-1).s();
+			sum += graph.at(j).y() * ds;
+			w += ds;
 		}
-		_avg.append(QPointF(gpx.track(i).distance(), sum/w));
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(), sum/w));
 
-		loadData(data);
+		GraphView::loadGraph(graph, paths.at(i));
 	}
 
-	setXUnits();
-	addInfo();
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
 }
 
 qreal TemperatureGraph::avg() const
@@ -70,35 +75,14 @@ void TemperatureGraph::clear()
 	GraphView::clear();
 }
 
-void TemperatureGraph::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 TemperatureGraph::setYUnits()
 {
 	if (_units == Metric) {
-		GraphView::setYUnits(QString::fromUtf8("\xC2\xB0") + tr("C"));
+		GraphView::setYUnits(QChar(0x00B0) + tr("C"));
 		setYScale(1);
 		setYOffset(0);
 	} else {
-		GraphView::setYUnits(QString::fromUtf8("\xC2\xB0") + tr("F"));
+		GraphView::setYUnits(QChar(0x00B0) + tr("F"));
 		setYScale(C2FS);
 		setYOffset(C2FO);
 	}
@@ -107,9 +91,20 @@ void TemperatureGraph::setYUnits()
 void TemperatureGraph::setUnits(enum Units units)
 {
 	_units = units;
-	setXUnits();
-	setYUnits();
 
-	clearInfo();
-	addInfo();
+	setYUnits();
+	setInfo();
+	GraphView::setUnits(units);
+
+	redraw();
+}
+
+void TemperatureGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
 }

src/temperaturegraph.h

@@ -1,33 +1,35 @@
 #ifndef TEMPERATUREGRAPH_H
 #define TEMPERATUREGRAPH_H
 
-#include "units.h"
-#include "graphview.h"
+#include "graphtab.h"
 
 class GPX;
 
-class TemperatureGraph : public GraphView
+class TemperatureGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	TemperatureGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Temperature");}
+	void loadGPX(const GPX &gpx, const QList<PathItem *> &paths);
 	void clear();
 	void setUnits(enum Units units);
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
 
+private:
 	qreal avg() const;
 	qreal min() const {return bounds().top();}
 	qreal max() const {return bounds().bottom();}
-
-private:
-	void setXUnits();
 	void setYUnits();
-	void addInfo();
+	void setInfo();
 
 	QList<QPointF> _avg;
+
 	enum Units _units;
+	bool _showTracks;
 };
 
 #endif // TEMPERATUREGRAPH_H

src/tooltip.cpp

@@ -0,0 +1,20 @@
+#include "tooltip.h"
+
+void ToolTip::insert(const QString &key, const QString &value)
+{
+	QPair<QString, QString> entry(key, value);
+	_list.append(entry);
+}
+
+QString ToolTip::toString()
+{
+	QString ret = "<table>";
+
+	for (int i = 0; i < _list.count(); i++)
+		ret += "<tr><td align=\"right\"><b>" + _list.at(i).first
+		  + ":&nbsp;</b></td><td>" + _list.at(i).second + "</td></tr>";
+
+	ret += "</table>";
+
+	return ret;
+}

src/tooltip.h

@@ -0,0 +1,18 @@
+#ifndef TOOLTIP_H
+#define TOOLTIP_H
+
+#include <QString>
+#include <QList>
+#include <QPair>
+
+class ToolTip
+{
+public:
+	void insert(const QString &key, const QString &value);
+	QString toString();
+
+private:
+	QList<QPair<QString, QString> > _list;
+};
+
+#endif // TOOLTIP_H

src/track.cpp

@@ -8,18 +8,19 @@
 #define WINDOW_HE 11
 #define WINDOW_HF 3
 
-static bool lt(const QPointF &p1, const QPointF &p2)
+
+static bool lt(const GraphPoint &v1, const GraphPoint &v2)
 {
-	return p1.y() < p2.y();
+	return v1.y() < v2.y();
 }
 
-static qreal median(QVector<QPointF> v)
+static qreal median(QVector<GraphPoint> v)
 {
 	qSort(v.begin(), v.end(), lt);
 	return v.at(v.size() / 2).y();
 }
 
-static qreal MAD(QVector<QPointF> v, qreal m)
+static qreal MAD(QVector<GraphPoint> v, qreal m)
 {
 	for (int i = 0; i < v.size(); i++)
 		v[i].setY(qAbs(v.at(i).y() - m));
@@ -27,15 +28,15 @@ static qreal MAD(QVector<QPointF> v, qreal m)
 	return v.at(v.size() / 2).y();
 }
 
-static QVector<QPointF> eliminate(const QVector<QPointF> &v, int window)
+static QVector<GraphPoint> eliminate(const QVector<GraphPoint> &v, int window)
 {
 	QList<int> rm;
-	QVector<QPointF> ret;
+	QVector<GraphPoint> ret;
 	qreal m, M;
 
 
 	if (v.size() < window)
-		return QVector<QPointF>(v);
+		return QVector<GraphPoint>(v);
 
 	for (int i = window/2; i < v.size() - window/2; i++) {
 		m = median(v.mid(i - window/2, window));
@@ -55,146 +56,129 @@ static QVector<QPointF> eliminate(const QVector<QPointF> &v, int window)
 	return ret;
 }
 
-static QVector<QPointF> filter(const QVector<QPointF> &v, int window)
+static QVector<GraphPoint> filter(const QVector<GraphPoint> &v, int window)
 {
 	qreal acc = 0;
-	QVector<QPointF> ret;
+	QVector<GraphPoint> ret;
 
 	if (v.size() < window)
-		return QVector<QPointF>(v);
+		return QVector<GraphPoint>(v);
 
 	for (int i = 0; i < window; i++)
 		acc += v.at(i).y();
 	for (int i = 0; i <= window/2; i++)
-		ret.append(QPointF(v.at(i).x(), acc/window));
+		ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/window));
 
 	for (int i = window/2 + 1; i < v.size() - window/2; i++) {
 		acc += v.at(i + window/2).y() - v.at(i - (window/2 + 1)).y();
-		ret.append(QPointF(v.at(i).x(), acc/window));
+		ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/window));
 	}
 
 	for (int i = v.size() - window/2; i < v.size(); i++)
-		ret.append(QPointF(v.at(i).x(), acc/window));
+		ret.append(GraphPoint(v.at(i).s(), v.at(i).t(), acc/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;
-	QVector<QPointF> raw;
 
-	if (!_data.size())
-		return;
+	_distance.append(0);
+	_time.append(0);
+	for (int i = 1; i < data.count(); i++) {
+		dist += llDistance(data.at(i).coordinates(), data.at(i-1).coordinates());
+		_distance.append(dist);
 
-	if (_data.at(0).hasElevation())
-		raw.append(QPointF(0, _data.at(0).elevation - _data.at(0).geoidheight));
-	for (int i = 1; i < _data.size(); i++) {
-		dist += _dd.at(i-1);
-		if (_data.at(i).hasElevation())
-			raw.append(QPointF(dist,  _data.at(i).elevation
-			  - _data.at(i).geoidheight));
+		if (data.first().hasTimestamp() && data.at(i).hasTimestamp())
+			_time.append(_data.first().timestamp().msecsTo(
+			  _data.at(i).timestamp()) / 1000.0);
+		else
+			_time.append(NAN);
 	}
-
-	graph = filter(raw, WINDOW_EF);
 }
 
-void Track::speedGraph(QVector<QPointF> &graph) const
+Graph Track::elevation() const
 {
-	qreal dist = 0, v, ds, dt;
-	QVector<QPointF> raw;
+	QVector<GraphPoint> raw;
 
 	if (!_data.size())
-		return;
+		return raw;
 
-	raw.append(QPointF(0, 0));
+	for (int i = 0; i < _data.size(); i++)
+		if (_data.at(i).hasElevation())
+			raw.append(GraphPoint(_distance.at(i), _time.at(i),
+			  _data.at(i).elevation() - _data.at(i).geoidHeight()));
+
+	return filter(raw, WINDOW_EF);
+}
+
+Graph Track::speed() const
+{
+	QVector<GraphPoint> raw;
+	qreal v, ds, dt;
+
+	if (!_data.size())
+		return raw;
+
+	raw.append(GraphPoint(_distance.at(0), _time.at(0), 0));
 	for (int i = 1; i < _data.size(); i++) {
-		ds = _dd.at(i-1);
-		dist += ds;
-
 		if (_data.at(i).hasSpeed())
-			v = _data.at(i).speed;
-		else if (_data.at(i).hasTimestamp()) {
-			dt = _data.at(i-1).timestamp.msecsTo(_data.at(i).timestamp)
-			  / 1000.0;
-			if (dt == 0)
+			v = _data.at(i).speed();
+		else if (_data.at(i).hasTimestamp() && _data.at(i-1).hasTimestamp()) {
+			dt = _time.at(i) - _time.at(i-1);
+			if (!dt)
 				continue;
+			ds = _distance.at(i) - _distance.at(i-1);
 			v = ds / dt;
 		} else
 			continue;
 
-		raw.append(QPointF(dist, v));
+		raw.append(GraphPoint(_distance.at(i), _time.at(i), v));
 	}
 
-	graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
+	return filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
 }
 
-void Track::heartRateGraph(QVector<QPointF> &graph) const
+Graph Track::heartRate() const
 {
-	qreal dist = 0;
-	QVector<QPointF> raw;
+	QVector<GraphPoint> raw;
 
 	if (!_data.size())
-		return;
+		return raw;
 
-	if (_data.at(0).hasHeartRate())
-		raw.append(QPointF(0, _data.at(0).heartRate));
-	for (int i = 1; i < _data.count(); i++) {
-		dist += _dd.at(i-1);
+	for (int i = 0; i < _data.count(); i++)
 		if (_data.at(i).hasHeartRate())
-			raw.append(QPointF(dist, _data.at(i).heartRate));
-	}
+			raw.append(GraphPoint(_distance.at(i), _time.at(i),
+			  _data.at(i).heartRate()));
 
-	graph = filter(eliminate(raw, WINDOW_HE), WINDOW_HF);
+	return filter(eliminate(raw, WINDOW_HE), WINDOW_HF);
 }
 
-void Track::temperatureGraph(QVector<QPointF> &graph) const
+Graph Track::temperature() const
 {
-	qreal dist = 0;
+	QVector<GraphPoint> raw;
 
-	if (!_data.size())
-		return;
-
-	if (_data.at(0).hasTemperature())
-		graph.append(QPointF(0, _data.at(0).temperature));
-	for (int i = 1; i < _data.size(); i++) {
-		dist += _dd.at(i-1);
-		if (_data.at(i).hasTemperature())
-			graph.append(QPointF(dist,  _data.at(i).temperature));
-	}
-}
-
-void Track::track(QVector<QPointF> &track) const
-{
 	for (int i = 0; i < _data.size(); i++)
-		track.append(_data.at(i).coordinates);
+		if (_data.at(i).hasTemperature())
+			raw.append(GraphPoint(_distance.at(i), _time.at(i),
+			  _data.at(i).temperature()));
+
+	return Graph(raw);
+}
+
+qreal Track::distance() const
+{
+	return (_distance.isEmpty()) ? 0 : _distance.last();
 }
 
 qreal Track::time() const
 {
-	if (_data.size() < 2)
-		return 0;
-
-	return (_data.at(0).timestamp.msecsTo(_data.at(_data.size() - 1).timestamp)
-	  / 1000.0);
+	return (_data.size() < 2) ? 0 :
+	  (_data.first().timestamp().msecsTo(_data.last().timestamp()) / 1000.0);
 }
 
 QDateTime Track::date() const
 {
-	if (_data.size())
-		return _data.at(0).timestamp;
-	else
-		return QDateTime();
+	return (_data.size()) ? _data.first().timestamp() : QDateTime();
 }

src/track.h

@@ -4,25 +4,29 @@
 #include <QVector>
 #include <QDateTime>
 #include "trackpoint.h"
+#include "graph.h"
 
 class Track
 {
 public:
 	Track(const QVector<Trackpoint> &data);
 
-	void elevationGraph(QVector<QPointF> &graph) const;
-	void speedGraph(QVector<QPointF> &graph) const;
-	void heartRateGraph(QVector<QPointF> &graph) const;
-	void temperatureGraph(QVector<QPointF> &graph) const;
-	void track(QVector<QPointF> &track) const;
-	qreal distance() const {return _distance;}
+	const QVector<Trackpoint> &track() const {return _data;}
+	Graph elevation() const;
+	Graph speed() const;
+	Graph heartRate() const;
+	Graph temperature() const;
+
+	qreal distance() const;
 	qreal time() const;
 	QDateTime date() const;
 
+	bool isNull() const {return (_data.size() < 2);}
+
 private:
 	const QVector<Trackpoint> &_data;
-	QVector<qreal> _dd;
-	qreal _distance;
+	QVector<qreal> _distance;
+	QVector<qreal> _time;
 };
 
 #endif // TRACK_H

src/trackitem.cpp

@@ -0,0 +1,53 @@
+#include <QApplication>
+#include <QCursor>
+#include <QPainter>
+#include "ll.h"
+#include "misc.h"
+#include "tooltip.h"
+#include "trackitem.h"
+
+
+QString TrackItem::toolTip()
+{
+	ToolTip tt;
+
+	tt.insert(qApp->translate("TrackItem", "Distance"),
+	  ::distance(_distance, _units));
+	if  (_time > 0)
+		tt.insert(qApp->translate("TrackItem", "Time"), ::timeSpan(_time));
+	if (!_date.isNull())
+		tt.insert(qApp->translate("TrackItem", "Date"),
+		  _date.toString(Qt::SystemLocaleShortDate));
+
+	return tt.toString();
+}
+
+TrackItem::TrackItem(const Track &track, QGraphicsItem *parent)
+  : PathItem(parent)
+{
+	const QVector<Trackpoint> &t = track.track();
+	Q_ASSERT(t.count() >= 2);
+
+	const QPointF &p = t.at(0).coordinates();
+	_path.moveTo(ll2mercator(QPointF(p.x(), -p.y())));
+	for (int i = 1; i < t.size(); i++) {
+		const QPointF &p = t.at(i).coordinates();
+		_path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
+	}
+
+	updateShape();
+
+	_date = track.date();
+	_distance = track.distance();
+	_time = track.time();
+
+	_marker->setPos(_path.pointAtPercent(0));
+
+	setToolTip(toolTip());
+}
+
+void TrackItem::setUnits(enum Units units)
+{
+	PathItem::setUnits(units);
+	setToolTip(toolTip());
+}

src/trackitem.h

@@ -0,0 +1,26 @@
+#ifndef TRACKITEM_H
+#define TRACKITEM_H
+
+#include <QDateTime>
+#include <QPen>
+#include "track.h"
+#include "pathitem.h"
+
+
+class TrackItem : public PathItem
+{
+	Q_OBJECT
+
+public:
+	TrackItem(const Track &track, QGraphicsItem *parent = 0);
+
+	void setUnits(enum Units units);
+
+private:
+	QString toolTip();
+
+	QDateTime _date;
+	qreal _time;
+};
+
+#endif // TRACKITEM_H

src/trackpoint.cpp

@@ -2,10 +2,10 @@
 
 QDebug operator<<(QDebug dbg, const Trackpoint &trackpoint)
 {
-	dbg.nospace() << "Trackpoint(" << trackpoint.coordinates << ", "
-	  << trackpoint.timestamp << ", " << trackpoint.elevation << ", "
-	  << trackpoint.geoidheight << ", " << trackpoint.speed << ", "
-	  << trackpoint.heartRate << ", " << trackpoint.temperature << ")";
+	dbg.nospace() << "Trackpoint(" << trackpoint.coordinates() << ", "
+	  << trackpoint.timestamp() << ", " << trackpoint.elevation() << ", "
+	  << trackpoint.geoidHeight() << ", " << trackpoint.speed() << ", "
+	  << trackpoint.heartRate() << ", " << trackpoint.temperature() << ")";
 
 	return dbg.maybeSpace();
 }

src/trackpoint.h

@@ -10,26 +10,42 @@ class Trackpoint
 {
 public:
 	Trackpoint() {
-		elevation = NAN;
-		geoidheight = 0;
-		speed = NAN;
-		heartRate = NAN;
-		temperature = NAN;
+		_elevation = NAN; _geoidHeight = 0; _speed = NAN; _heartRate = NAN;
+		_temperature = NAN;
 	}
+	Trackpoint(const QPointF &coordinates) {_coordinates = coordinates;}
 
-	bool hasTimestamp() const {return !timestamp.isNull();}
-	bool hasElevation() const {return !std::isnan(elevation);}
-	bool hasSpeed() const {return !std::isnan(speed);}
-	bool hasHeartRate() const {return !std::isnan(heartRate);}
-	bool hasTemperature() const {return !std::isnan(temperature);}
+	const QPointF &coordinates() const {return _coordinates;}
+	const QDateTime &timestamp() const {return _timestamp;}
+	qreal elevation() const {return _elevation;}
+	qreal geoidHeight() const {return _geoidHeight;}
+	qreal speed() const {return _speed;}
+	qreal heartRate() const {return _heartRate;}
+	qreal temperature() const {return _temperature;}
 
-	QPointF coordinates;
-	QDateTime timestamp;
-	qreal elevation;
-	qreal geoidheight;
-	qreal speed;
-	qreal heartRate;
-	qreal temperature;
+	void setCoordinates(const QPointF &coordinates)
+	  {_coordinates = coordinates;}
+	void setTimestamp(const QDateTime &timestamp) {_timestamp = timestamp;}
+	void setElevation(qreal elevation) {_elevation = elevation;}
+	void setGeoidHeight(qreal geoidHeight) {_geoidHeight = geoidHeight;}
+	void setSpeed(qreal speed) {_speed = speed;}
+	void setHeartRate(qreal heartRate) {_heartRate = heartRate;}
+	void setTemperature(qreal temperature) {_temperature = temperature;}
+
+	bool hasTimestamp() const {return !_timestamp.isNull();}
+	bool hasElevation() const {return !std::isnan(_elevation);}
+	bool hasSpeed() const {return !std::isnan(_speed);}
+	bool hasHeartRate() const {return !std::isnan(_heartRate);}
+	bool hasTemperature() const {return !std::isnan(_temperature);}
+
+private:
+	QPointF _coordinates;
+	QDateTime _timestamp;
+	qreal _elevation;
+	qreal _geoidHeight;
+	qreal _speed;
+	qreal _heartRate;
+	qreal _temperature;
 };
 
 QDebug operator<<(QDebug dbg, const Trackpoint &trackpoint);

src/trackview.cpp

@@ -1,499 +0,0 @@
-#include <QGraphicsView>
-#include <QGraphicsScene>
-#include <QPainterPath>
-#include <QWheelEvent>
-#include "poi.h"
-#include "gpx.h"
-#include "map.h"
-#include "waypointitem.h"
-#include "markeritem.h"
-#include "scaleitem.h"
-#include "ll.h"
-#include "trackview.h"
-
-
-#define MARGIN          10.0
-#define TRACK_WIDTH     3
-#define SCALE_OFFSET    7
-
-TrackView::TrackView(QWidget *parent)
-	: QGraphicsView(parent)
-{
-	_scene = new QGraphicsScene(this);
-	setScene(_scene);
-	setCacheMode(QGraphicsView::CacheBackground);
-	setDragMode(QGraphicsView::ScrollHandDrag);
-	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
-	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	setRenderHints(QPainter::Antialiasing);
-
-	_mapScale = new ScaleItem();
-	_mapScale->setZValue(2.0);
-
-	_zoom = ZOOM_MAX;
-	_scale = mapScale(_zoom);
-	_map = 0;
-	_maxPath = 0;
-	_maxDistance = 0;
-
-	_plot = false;
-}
-
-TrackView::~TrackView()
-{
-	if (_mapScale->scene() != _scene)
-		delete _mapScale;
-}
-
-void TrackView::addTrack(const QVector<QPointF> &track)
-{
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-	MarkerItem *mi;
-
-
-	if (track.size() < 2) {
-		_palette.color();
-		return;
-	}
-
-	_tracks.append(track);
-
-	const QPointF &p = track.at(0);
-	path.moveTo(ll2mercator(QPointF(p.x(), -p.y())));
-	for (int i = 1; i < track.size(); i++) {
-		const QPointF &p = track.at(i);
-		path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
-	}
-
-	_maxPath = qMax(path.length(), _maxPath);
-
-	pi = new QGraphicsPathItem(path);
-	_paths.append(pi);
-	_zoom = qMin(_zoom, scale2zoom(trackScale()));
-	_scale = mapScale(_zoom);
-	QBrush brush(_palette.color(), Qt::SolidPattern);
-	QPen pen(brush, TRACK_WIDTH * _scale);
-	pi->setPen(pen);
-	pi->setScale(1.0/_scale);
-	_scene->addItem(pi);
-
-	mi = new MarkerItem(pi);
-	_markers.append(mi);
-	mi->setPos(pi->path().pointAtPercent(0));
-	mi->setScale(_scale);
-}
-
-void TrackView::addWaypoints(const QList<Waypoint> &waypoints)
-{
-	for (int i = 0; i < waypoints.count(); i++) {
-		const Waypoint &w = waypoints.at(i);
-		WaypointItem *wi = new WaypointItem(
-		  Waypoint(ll2mercator(QPointF(w.coordinates().x(),
-		    -w.coordinates().y())), w.description()));
-
-		wi->setPos(wi->entry().coordinates() * 1.0/_scale);
-		wi->setZValue(1);
-		_scene->addItem(wi);
-
-		_locations.append(wi);
-		_waypoints.append(w.coordinates());
-	}
-
-	_zoom = qMin(_zoom, scale2zoom(waypointScale()));
-	_scale = mapScale(_zoom);
-}
-
-void TrackView::loadGPX(const GPX &gpx)
-{
-	int zoom = _zoom;
-
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> track;
-		gpx.track(i).track(track);
-		addTrack(track);
-		_maxDistance = qMax(gpx.track(i).distance(), _maxDistance);
-	}
-
-	addWaypoints(gpx.waypoints());
-
-	if (_paths.empty() && _locations.empty())
-		return;
-
-	if ((_paths.size() > 1 && _zoom < zoom)
-	  || (_locations.size() && _zoom < zoom))
-		rescale(_scale);
-
-	QRectF br = trackBoundingRect() | waypointBoundingRect();
-	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
-	_scene->setSceneRect(ba);
-	centerOn(ba.center());
-
-	_mapScale->setLatitude(-(br.center().ry() * _scale));
-	_mapScale->setZoom(_zoom);
-	if (_mapScale->scene() != _scene)
-		_scene->addItem(_mapScale);
-}
-
-QRectF TrackView::trackBoundingRect() const
-{
-	if (_paths.empty())
-		return QRectF();
-
-	QRectF br = _paths.at(0)->sceneBoundingRect();
-	for (int i = 1; i < _paths.size(); i++)
-		br |= _paths.at(i)->sceneBoundingRect();
-
-	return br;
-}
-
-QRectF TrackView::waypointBoundingRect() const
-{
-	qreal bottom, top, left, right;
-
-	if (_locations.empty())
-		return QRectF();
-
-	const QPointF &p = _locations.at(0)->pos();
-	bottom = p.y();
-	top = p.y();
-	left = p.x();
-	right = p.x();
-
-	for (int i = 1; i < _locations.size(); i++) {
-		const QPointF &p = _locations.at(i)->pos();
-		bottom = qMax(bottom, p.y());
-		top = qMin(top, p.y());
-		right = qMax(right, p.x());
-		left = qMin(left, p.x());
-	}
-
-	return QRectF(QPointF(left, top), QPointF(right, bottom));
-}
-
-qreal TrackView::trackScale() const
-{
-	if (_paths.empty())
-		return mapScale(ZOOM_MAX);
-
-	QRectF br = _paths.at(0)->path().boundingRect();
-
-	for (int i = 1; i < _paths.size(); i++)
-		br |= _paths.at(i)->path().boundingRect();
-
-	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
-	  br.height() / (viewport()->height() - MARGIN/2));
-
-	return qMax(sc.x(), sc.y());
-}
-
-qreal TrackView::waypointScale() const
-{
-	qreal bottom, top, left, right;
-
-	if (_locations.size() < 2)
-		return mapScale(ZOOM_MAX);
-
-	const QPointF &p = _locations.at(0)->entry().coordinates();
-	bottom = p.y();
-	top = p.y();
-	left = p.x();
-	right = p.x();
-
-	for (int i = 1; i < _locations.size(); i++) {
-		const QPointF &p = _locations.at(i)->entry().coordinates();
-		bottom = qMax(bottom, p.y());
-		top = qMin(top, p.y());
-		right = qMax(right, p.x());
-		left = qMin(left, p.x());
-	}
-
-	QRectF br(QPointF(left, top), QPointF(right, bottom));
-	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
-	  br.height() / (viewport()->height() - MARGIN/2));
-
-	return qMax(sc.x(), sc.y());
-}
-
-qreal TrackView::mapScale(int zoom) const
-{
-	return ((360.0/(qreal)(1<<zoom))/(qreal)TILE_SIZE);
-}
-
-void TrackView::rescale(qreal scale)
-{
-	for (int i = 0; i < _paths.size(); i++) {
-		_markers.at(i)->setScale(scale);
-		_paths.at(i)->setScale(1.0/scale);
-
-		QPen pen(_paths.at(i)->pen());
-		pen.setWidthF(TRACK_WIDTH * scale);
-		_paths.at(i)->setPen(pen);
-	}
-
-	for (int i = 0; i < _locations.size(); i++)
-		_locations.at(i)->setPos(_locations.at(i)->entry().coordinates()
-		  * 1.0/scale);
-
-	QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		it.value()->setPos(it.value()->entry().coordinates() * 1.0/scale);
-		it.value()->show();
-	}
-
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
-			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
-			  && it.value()->collidesWithItem(jt.value()))
-				jt.value()->hide();
-		}
-	}
-
-	_scale = scale;
-}
-
-void TrackView::addPOI(const QVector<Waypoint> &waypoints)
-{
-	for (int i = 0; i < waypoints.size(); i++) {
-		const Waypoint &w = waypoints.at(i);
-
-		if (_pois.contains(w))
-			continue;
-
-		WaypointItem *pi = new WaypointItem(
-		  Waypoint(ll2mercator(QPointF(w.coordinates().x(),
-		  -w.coordinates().y())), w.description()));
-
-		pi->setPos(pi->entry().coordinates() * 1.0/_scale);
-		pi->setZValue(1);
-		_scene->addItem(pi);
-
-		_pois.insert(w, pi);
-	}
-}
-
-void TrackView::loadPOI(const POI &poi)
-{
-	QHash<Waypoint, WaypointItem*>::const_iterator it,jt;
-
-	if (!_tracks.size() && !_waypoints.size())
-		return;
-
-	for (int i = 0; i < _tracks.size(); i++)
-		addPOI(poi.points(_tracks.at(i)));
-	addPOI(poi.points(_waypoints));
-
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
-			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
-			  && it.value()->collidesWithItem(jt.value()))
-				jt.value()->hide();
-		}
-	}
-}
-
-void TrackView::setMap(Map *map)
-{
-	_map = map;
-	if (_map)
-		connect(_map, SIGNAL(loaded()), this, SLOT(redraw()),
-		  Qt::UniqueConnection);
-	resetCachedContent();
-}
-
-void TrackView::setUnits(enum Units units)
-{
-	_mapScale->setUnits(units);
-}
-
-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())
-		return;
-
-	QPointF pos = mapToScene(event->pos());
-	qreal scale = _scale;
-
-	_zoom = (event->delta() > 0) ?
-		qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
-
-	rescale(mapScale(_zoom));
-	QRectF br = trackBoundingRect() | waypointBoundingRect();
-	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
-	_scene->setSceneRect(ba);
-
-	if (br.width() < viewport()->size().width()
-	  && br.height() < viewport()->size().height())
-		centerOn(br.center());
-	else
-		centerOn(pos * scale/_scale);
-
-	_mapScale->setZoom(_zoom);
-
-	resetCachedContent();
-}
-
-void TrackView::plot(QPainter *painter, const QRectF &target)
-{
-	QRect orig, adj;
-	qreal ratio, diff;
-
-
-	orig = viewport()->rect();
-
-	if (orig.height() * (target.width() / target.height()) - orig.width() < 0) {
-		ratio = target.height()/target.width();
-		diff = (orig.width() * ratio) - orig.height();
-		adj = orig.adjusted(0, -diff/2, 0, diff/2);
-	} else {
-		ratio = target.width() / target.height();
-		diff = (orig.height() * ratio) - orig.width();
-		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
-	}
-
-	setUpdatesEnabled(false);
-	_plot = true;
-
-	QPointF pos = _mapScale->pos();
-	_mapScale->setPos(mapToScene(QPoint(adj.bottomRight() + QPoint(
-	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
-	  -(SCALE_OFFSET + _mapScale->boundingRect().height())))));
-
-	render(painter, target, adj);
-
-	_mapScale->setPos(pos);
-
-	_plot = false;
-	setUpdatesEnabled(true);
-}
-
-void TrackView::clearPOI()
-{
-	QHash<Waypoint, WaypointItem*>::const_iterator it;
-
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		_scene->removeItem(it.value());
-		delete it.value();
-	}
-
-	_pois.clear();
-}
-
-void TrackView::clear()
-{
-	if (_mapScale->scene() == _scene)
-		_scene->removeItem(_mapScale);
-
-	_pois.clear();
-	_paths.clear();
-	_locations.clear();
-	_markers.clear();
-	_scene->clear();
-	_palette.reset();
-
-	_tracks.clear();
-	_waypoints.clear();
-
-	_maxPath = 0;
-	_maxDistance = 0;
-	_zoom = ZOOM_MAX;
-	_scale = mapScale(_zoom);
-
-	_scene->setSceneRect(QRectF());
-}
-
-void TrackView::movePositionMarker(qreal val)
-{
-	qreal mp = val / _maxDistance;
-
-	for (int i = 0; i < _paths.size(); i++) {
-		qreal f = _maxPath / _paths.at(i)->path().length();
-		if (mp * f < 0 || mp * f > 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);
-		}
-	}
-}
-
-void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
-{
-	if ((_paths.isEmpty() && _locations.isEmpty()) || !_map) {
-		painter->fillRect(rect, Qt::white);
-		return;
-	}
-
-	QRectF rr(rect.topLeft() * _scale, rect.size());
-	QPoint tile = mercator2tile(QPointF(rr.topLeft().x(), -rr.topLeft().y()),
-	  _zoom);
-	QPointF tm = tile2mercator(tile, _zoom);
-	QPoint tl = mapToScene(mapFromScene(QPointF(tm.x() / _scale,
-	  -tm.y() / _scale))).toPoint();
-
-	QList<Tile> tiles;
-	for (int i = 0; i <= rr.size().width() / TILE_SIZE + 1; i++) {
-		for (int j = 0; j <= rr.size().height() / TILE_SIZE + 1; j++) {
-			tiles.append(Tile(QPoint(tile.x() + i, tile.y() + j), _zoom));
-		}
-	}
-
-	_map->loadTiles(tiles, _plot);
-
-	for (int i = 0; i < tiles.count(); i++) {
-		Tile &t = tiles[i];
-		QPoint tp(tl.x() + (t.xy().x() - tile.x()) * TILE_SIZE,
-		  tl.y() + (t.xy().y() - tile.y()) * TILE_SIZE);
-		painter->drawPixmap(tp, t.pixmap());
-	}
-}
-
-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);
-
-	if (ba.width() < e->size().width()) {
-		qreal diff = e->size().width() - ba.width();
-		ba.adjust(-diff/2, 0, diff/2, 0);
-	}
-	if (ba.height() < e->size().height()) {
-		qreal diff = e->size().height() - ba.height();
-		ba.adjust(0, -diff/2, 0, diff/2);
-	}
-
-	_scene->setSceneRect(ba);
-
-	centerOn(br.center());
-	resetCachedContent();
-}
-
-void TrackView::paintEvent(QPaintEvent *e)
-{
-	QPointF scenePos = mapToScene(rect().bottomRight() + QPoint(
-	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
-	  -(SCALE_OFFSET + _mapScale->boundingRect().height())));
-	if (_mapScale->pos() != scenePos && !_plot)
-		_mapScale->setPos(scenePos);
-
-	QGraphicsView::paintEvent(e);
-}

src/units.h

@@ -13,10 +13,14 @@ enum Units {
 #define MS2MIH  2.236936290000  // m/s -> mi/h
 #define FT2MI   0.000189393939  // ft -> mi
 #define MM2IN   0.039370100000  // mm -> in
+#define H2S     0.000277777778  // h -> s
+#define MIN2S   0.016666666667  // min -> s
 
 #define KMINM   1000     // 1 km in m
 #define MIINFT  5280     // 1 mi in ft
-#define MIINM   1609.344 // 1mi in m
+#define MIINM   1609.344 // 1 mi in m
+#define MININS  60       // 1 min in s
+#define HINS    3600     // 1 hins
 
 #define C2FS    1.8 // Celsius to Farenheit - scale
 #define C2FO    32  // Celsius to Farenheit - offset

src/waypoint.cpp

@@ -0,0 +1,9 @@
+#include "waypoint.h"
+
+QDebug operator<<(QDebug dbg, const Waypoint &waypoint)
+{
+	dbg.nospace() << "Waypoint(" << waypoint.coordinates() << ", "
+	  << waypoint.name() << ", " << waypoint.description() << ")";
+
+	return dbg.maybeSpace();
+}

src/waypoint.h

@@ -3,34 +3,54 @@
 
 #include <QPointF>
 #include <QString>
+#include <QDateTime>
 #include <QHash>
+#include <QDebug>
+#include <cmath>
 
 class Waypoint
 {
 public:
-	Waypoint() {}
-	Waypoint(const QPointF &coordinates, const QString &description)
-	  : _coordinates(coordinates), _description(description) {}
+	Waypoint() {_elevation = NAN; _geoidHeight = 0;}
+	Waypoint(const QPointF &coordinates)
+	  : _coordinates(coordinates) {_elevation = NAN; _geoidHeight = 0;}
 
 	const QPointF &coordinates() const {return _coordinates;}
+	const QString &name() const {return _name;}
 	const QString &description() const {return _description;}
+	const QDateTime &timestamp() const {return _timestamp;}
+	qreal elevation() const {return _elevation;}
+	qreal geoidHeight() const {return _geoidHeight;}
+
 	void setCoordinates(const QPointF &coordinates)
 	  {_coordinates = coordinates;}
+	void setName(const QString &name) {_name = name;}
 	void setDescription(const QString &description)
 	  {_description = description;}
+	void setTimestamp(const QDateTime &timestamp) {_timestamp = timestamp;}
+	void setElevation(qreal elevation) {_elevation = elevation;}
+	void setGeoidHeight(qreal geoidHeight) {_geoidHeight = geoidHeight;}
+
+	bool hasElevation() const {return !std::isnan(_elevation);}
 
 	bool operator==(const Waypoint &other) const
-	  {return this->_description == other._description
+	  {return this->_name == other._name
 	  && this->_coordinates == other._coordinates;}
 
 private:
 	QPointF _coordinates;
+	QString _name;
 	QString _description;
+	QDateTime _timestamp;
+	qreal _elevation;
+	qreal _geoidHeight;
 };
 
 inline uint qHash(const Waypoint &key)
 {
-	return ::qHash(key.description());
+	return ::qHash(key.name());
 }
 
+QDebug operator<<(QDebug dbg, const Waypoint &Waypoint);
+
 #endif // WAYPOINT_H

src/waypointitem.cpp

@@ -1,49 +1,145 @@
+#include <QApplication>
 #include <QPainter>
 #include "config.h"
+#include "ll.h"
+#include "misc.h"
+#include "tooltip.h"
 #include "waypointitem.h"
 
 
-#define POINT_SIZE  8
+#define POINT_SIZE 8
+#define HOVER_SIZE 10
 
-WaypointItem::WaypointItem(const Waypoint &entry, QGraphicsItem *parent)
+QString WaypointItem::toolTip()
+{
+	ToolTip tt;
+
+	if (!_waypoint.name().isEmpty() && !_showLabel)
+		tt.insert(qApp->translate("WaypointItem", "Name"), _waypoint.name());
+	tt.insert(qApp->translate("WaypointItem", "Coordinates"),
+	  ::coordinates(_waypoint.coordinates()));
+	if (!std::isnan(_waypoint.elevation()))
+		tt.insert(qApp->translate("WaypointItem", "Elevation"),
+		  ::elevation(_waypoint.elevation() - _waypoint.geoidHeight(), _units));
+	if (!_waypoint.timestamp().isNull())
+		tt.insert(qApp->translate("WaypointItem", "Date"),
+		  _waypoint.timestamp().toString(Qt::SystemLocaleShortDate));
+	if (!_waypoint.description().isNull())
+		tt.insert(qApp->translate("WaypointItem", "Description"),
+		  _waypoint.description());
+
+	return tt.toString();
+}
+
+WaypointItem::WaypointItem(const Waypoint &waypoint, QGraphicsItem *parent)
   : QGraphicsItem(parent)
 {
-	_entry = entry;
-	updateBoundingRect();
+	_units = Metric;
+	_showLabel = true;
+	_hover = false;
+
+	_waypoint = waypoint;
+	_coordinates = ll2mercator(QPointF(waypoint.coordinates().x(),
+	  -waypoint.coordinates().y()));
+
+	updateShape();
+
+	setPos(_coordinates);
+	setToolTip(toolTip());
+	setCursor(Qt::ArrowCursor);
+	setAcceptHoverEvents(true);
 }
 
-void WaypointItem::updateBoundingRect()
+void WaypointItem::updateShape()
 {
-	QFont font;
-	font.setPixelSize(FONT_SIZE);
-	font.setFamily(FONT_FAMILY);
-	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description());
+	QPainterPath p;
+	qreal pointSize = _hover ? HOVER_SIZE : POINT_SIZE;
 
-	_boundingRect = QRectF(-POINT_SIZE/2, -POINT_SIZE/2, ts.width()
-	  + POINT_SIZE, ts.height() + fm.descent() + POINT_SIZE);
+	if (_showLabel) {
+		QFont font;
+		font.setPixelSize(FONT_SIZE);
+		font.setFamily(FONT_FAMILY);
+		if (_hover)
+			font.setBold(true);
+		QFontMetrics fm(font);
+		QRect ts = fm.tightBoundingRect(_waypoint.name());
+
+		p.addRect(-pointSize/2, -pointSize/2, pointSize, pointSize);
+		p.addRect(pointSize/2, pointSize/2,
+		  ts.width(), ts.height() + fm.descent());
+	} else
+		p.addRect(-pointSize/2, -pointSize/2, pointSize, pointSize);
+
+	_shape = p;
 }
 
-void WaypointItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
-	  QWidget *widget)
+void WaypointItem::paint(QPainter *painter,
+  const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
 	Q_UNUSED(option);
 	Q_UNUSED(widget);
-	QFont font;
-	font.setPixelSize(FONT_SIZE);
-	font.setFamily(FONT_FAMILY);
-	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description());
 
-	painter->setFont(font);
-	painter->drawText(POINT_SIZE/2 - qMax(ts.x(), 0), POINT_SIZE/2 + ts.height(),
-	  _entry.description());
+	qreal pointSize = _hover ? HOVER_SIZE : POINT_SIZE;
+
+	if (_showLabel) {
+		QFont font;
+		font.setPixelSize(FONT_SIZE);
+		font.setFamily(FONT_FAMILY);
+		if (_hover)
+			font.setBold(true);
+		QFontMetrics fm(font);
+		QRect ts = fm.tightBoundingRect(_waypoint.name());
+
+		painter->setFont(font);
+		painter->drawText(pointSize/2 - qMax(ts.x(), 0), pointSize/2
+		  + ts.height(), _waypoint.name());
+	}
+
 	painter->setBrush(Qt::SolidPattern);
-	painter->drawEllipse(-POINT_SIZE/2, -POINT_SIZE/2, POINT_SIZE, POINT_SIZE);
+	painter->drawEllipse(-pointSize/2, -pointSize/2, pointSize, pointSize);
 
 /*
 	painter->setPen(Qt::red);
 	painter->setBrush(Qt::NoBrush);
-	painter->drawRect(boundingRect());
+	painter->drawPath(_shape);
 */
 }
+
+void WaypointItem::setScale(qreal scale)
+{
+	setPos(_coordinates * scale);
+}
+
+void WaypointItem::setUnits(enum Units units)
+{
+	_units = units;
+	setToolTip(toolTip());
+}
+
+void WaypointItem::showLabel(bool show)
+{
+	prepareGeometryChange();
+	_showLabel = show;
+	updateShape();
+	setToolTip(toolTip());
+}
+
+void WaypointItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	prepareGeometryChange();
+	_hover = true;
+	updateShape();
+	setZValue(zValue() + 1.0);
+}
+
+void WaypointItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	prepareGeometryChange();
+	_hover = false;
+	updateShape();
+	setZValue(zValue() - 1.0);
+}

src/waypointitem.h

@@ -3,22 +3,39 @@
 
 #include <QGraphicsItem>
 #include "waypoint.h"
+#include "units.h"
 
 class WaypointItem : public QGraphicsItem
 {
 public:
-	WaypointItem(const Waypoint &entry, QGraphicsItem *parent = 0);
-	const Waypoint &entry() const {return _entry;}
+	WaypointItem(const Waypoint &waypoint, QGraphicsItem *parent = 0);
 
-	QRectF boundingRect() const {return _boundingRect;}
+	const Waypoint &waypoint() const {return _waypoint;}
+	const QPointF &coordinates() const {return _coordinates;}
+
+	void setUnits(enum Units units);
+	void setScale(qreal scale);
+	void showLabel(bool show);
+
+	QPainterPath shape() const {return _shape;}
+	QRectF boundingRect() const {return _shape.boundingRect();}
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
 private:
-	void updateBoundingRect();
+	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
 
-	Waypoint _entry;
-	QRectF _boundingRect;
+	void updateShape();
+	QString toolTip();
+
+	QPainterPath _shape;
+	QPointF _coordinates;
+	Waypoint _waypoint;
+	Units _units;
+
+	bool _hover;
+	bool _showLabel;
 };
 
 #endif // WAYPOINTITEM_H