WindowsXP font issue workaround

One Thunderforest is enaught
Switched to VS2015 builds wih global installs
2025-07-01 13:29:16 +02:00 · 2016-02-13 12:13:56 +01:00 · 2016-02-13 11:11:54 +01:00 · 2016-02-13 11:09:51 +01:00 · 2016-02-12 20:12:37 +01:00 · 2016-02-12 10:29:18 +01:00
53 changed files with 2201 additions and 1367 deletions
--- a/gpxsee.nsi
+++ b/gpxsee.nsi
@ -1,5 +1,5 @@
-;Include Modern UI
 !include "MUI2.nsh"
+!include "x64.nsh"

 ; The name of the installer
 Name "GPXSee"
@ -7,20 +7,21 @@ Name "GPXSee"
 ; The file to write
 OutFile "install.exe"

-RequestExecutionLevel user
+; Required execution level 
+RequestExecutionLevel admin

 ; The default installation directory
-InstallDir "$LOCALAPPDATA\GPXSee"
+InstallDir "$PROGRAMFILES\GPXSee"

 ; Registry key to check for directory (so if you install again, it will 
 ; overwrite the old one automatically)
-InstallDirRegKey HKCU "Software\GPXSee" "Install_Dir"
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"

 ; Registry key for uninstaller
 !define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee" 

 ; Start menu page configuration
-!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKCU" 
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
 !define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
 !define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 

@ -58,18 +59,19 @@ Section "GPXSee (required)" SEC_APP
  File "gpxsee.exe"
  
  ; Write the installation path into the registry
-  WriteRegStr HKCU SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
  
  ; Write the uninstall keys for Windows
-  WriteRegStr HKCU "${REGENTRY}" "DisplayName" "GPXSee"
-  WriteRegStr HKCU "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKCU "${REGENTRY}" "DisplayVersion" "2.2"
-  WriteRegStr HKCU "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
-  WriteRegDWORD HKCU "${REGENTRY}" "NoModify" 1
-  WriteRegDWORD HKCU "${REGENTRY}" "NoRepair" 1
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.7"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
  WriteUninstaller "$INSTDIR\uninstall.exe"

  ; Create start menu entry and add links
+  SetShellVarContext all
  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
@ -93,9 +95,23 @@ SectionEnd

 Section "MSVC runtime" SEC_MSVC

-  File "msvcr100.dll"
-  File "msvcp100.dll"
+  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
+  ${If} ${RunningX64}
+    ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
+  ${Else}
+    ReadRegDword $R0 HKLM "SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86" "Installed"
+  ${EndIf}

+  StrCmp $R0 "1" 0 +3
+  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
+  Goto done
+
+  DetailPrint "Installing Visual C++ 2015 Redistributable..."
+  SetOutPath $TEMP
+  File "VC_redist.x86.exe"
+  ExecWait '"$TEMP/VC_redist.x86.exe" /install /quiet /norestart'
+
+  done:
 SectionEnd

 ;--------------------------------
@ -105,13 +121,14 @@ SectionEnd
 Section "Uninstall"
  
  ; Remove registry keys
-  DeleteRegKey HKCU "${REGENTRY}"
-  DeleteRegKey HKCU SOFTWARE\GPXSee
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee

  ; Remove directories used
  RMDir /r "$INSTDIR"

  ; Remove Start menu entries
+  SetShellVarContext all
  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
  RMDir "$SMPROGRAMS\$StartMenuFolder"  
@ -126,7 +143,7 @@ SectionEnd
 LangString DESC_QT ${LANG_ENGLISH} \
  "QT Library. Unselct only if you have QT already installed!"
 LangString DESC_MSVC ${LANG_ENGLISH} \
-  "Visual C++ 2010 runtime components. Unselct only if you have the runtime already installed!"
+  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
 LangString DESC_APP ${LANG_ENGLISH} \
  "GPXSee application"

--- a/gpxsee.pro
+++ b/gpxsee.pro
@ -8,8 +8,6 @@ HEADERS += src/config.h \
    src/icons.h \
    src/gui.h \
    src/gpx.h \
-    src/graph.h \
-    src/track.h \
    src/parser.h \
    src/poi.h \
    src/rtree.h \
@ -27,12 +25,18 @@ HEADERS += src/config.h \
    src/filebrowser.h \
    src/map.h \
    src/maplist.h \
-    src/downloader.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
 SOURCES += src/main.cpp \
    src/gui.cpp \
    src/gpx.cpp \
-    src/graph.cpp \
-    src/track.cpp \
    src/parser.cpp \
    src/poi.cpp \
    src/ll.cpp \
@ -48,7 +52,12 @@ SOURCES += src/main.cpp \
    src/filebrowser.cpp \
    src/map.cpp \
    src/maplist.cpp \
-    src/downloader.cpp
+    src/downloader.cpp \
+    src/scaleitem.cpp \
+    src/nicenum.cpp \
+    src/trackview.cpp \
+    src/track.cpp \
+    src/graphview.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts
 macx:ICON = icons/gpxsee.icns
--- a/gpxsee.qrc
+++ b/gpxsee.qrc
@ -9,6 +9,11 @@
        <file>icons/application-exit.png</file>
        <file>icons/applications-internet.png</file>
        <file>icons/view-refresh.png</file>
+        <file>icons/arrow-left.png</file>
+        <file>icons/arrow-right.png</file>
+        <file>icons/arrow-left-double.png</file>
+        <file>icons/arrow-right-double.png</file>
        <file>lang/gpxsee_cs.qm</file>
+        <file>maps.txt</file>
    </qresource>
 </RCC>
--- a/icons/arrow-left-double.png
+++ b/icons/arrow-left-double.png
--- a/icons/arrow-left.png
+++ b/icons/arrow-left.png
--- a/icons/arrow-right-double.png
+++ b/icons/arrow-right-double.png
--- a/icons/arrow-right.png
+++ b/icons/arrow-right.png
--- a/lang/gpxsee_cs.ts
+++ b/lang/gpxsee_cs.ts
@ -1,45 +1,57 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
-<TS version="2.1" language="cs_CZ">
+<TS version="2.0" language="cs_CZ">
 <context>
    <name>ElevationGraph</name>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="13"/>
+        <location filename="../src/elevationgraph.cpp" line="14"/>
        <source>Distance</source>
        <translation>Vzdálenost</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="14"/>
+        <location filename="../src/elevationgraph.cpp" line="15"/>
        <source>Elevation</source>
        <translation>Výška</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="15"/>
+        <location filename="../src/elevationgraph.cpp" line="16"/>
+        <location filename="../src/elevationgraph.cpp" line="83"/>
        <source>km</source>
        <translation>km</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="16"/>
+        <location filename="../src/elevationgraph.cpp" line="17"/>
+        <location filename="../src/elevationgraph.cpp" line="84"/>
        <source>m</source>
        <translation>m</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="52"/>
+        <location filename="../src/elevationgraph.cpp" line="23"/>
        <source>Ascent</source>
        <translation>Stoupání</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="54"/>
+        <location filename="../src/elevationgraph.cpp" line="25"/>
        <source>Descent</source>
        <translation>Klesání</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="58"/>
+        <location filename="../src/elevationgraph.cpp" line="29"/>
        <source>Minimum</source>
        <translation>Minimum</translation>
    </message>
    <message>
-        <location filename="../src/elevationgraph.cpp" line="56"/>
+        <location filename="../src/elevationgraph.cpp" line="88"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraph.cpp" line="89"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraph.cpp" line="27"/>
        <source>Maximum</source>
        <translation>Maximum</translation>
    </message>
@ -47,293 +59,408 @@
 <context>
    <name>GUI</name>
    <message>
-        <location filename="../src/gui.cpp" line="135"/>
+        <location filename="../src/gui.cpp" line="140"/>
        <source>About Qt</source>
        <translation>O Qt</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="295"/>
+        <location filename="../src/gui.cpp" line="350"/>
        <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="354"/>
+        <location filename="../src/gui.cpp" line="411"/>
        <source>Open file</source>
        <translation>Otevřít soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="149"/>
+        <location filename="../src/gui.cpp" line="154"/>
        <source>Save as</source>
        <translation>Uložit jako</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="405"/>
+        <location filename="../src/gui.cpp" line="471"/>
        <source>Open POI file</source>
        <translation>Otevřít POI soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="140"/>
+        <location filename="../src/gui.cpp" line="145"/>
        <source>Open</source>
        <translation>Otevřít</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="123"/>
+        <location filename="../src/gui.cpp" line="128"/>
        <source>Quit</source>
        <translation>Ukončit</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="130"/>
-        <location filename="../src/gui.cpp" line="311"/>
-        <location filename="../src/gui.cpp" line="312"/>
+        <location filename="../src/gui.cpp" line="135"/>
+        <location filename="../src/gui.cpp" line="366"/>
+        <location filename="../src/gui.cpp" line="367"/>
        <source>Keyboard controls</source>
        <translation>Ovládací klávesy</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="144"/>
+        <location filename="../src/gui.cpp" line="149"/>
        <source>Save</source>
        <translation>Uložit</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="154"/>
+        <location filename="../src/gui.cpp" line="159"/>
        <source>Close</source>
        <translation>Zavřít</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="159"/>
+        <location filename="../src/gui.cpp" line="164"/>
        <source>Reload</source>
        <translation>Znovu načíst</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="244"/>
+        <location filename="../src/gui.cpp" line="287"/>
        <source>Show</source>
        <translation>Zobrazit</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="198"/>
-        <location filename="../src/gui.cpp" line="235"/>
+        <location filename="../src/gui.cpp" line="237"/>
+        <location filename="../src/gui.cpp" line="278"/>
        <source>File</source>
        <translation>Soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="128"/>
-        <location filename="../src/gui.cpp" line="327"/>
-        <location filename="../src/gui.cpp" line="328"/>
+        <location filename="../src/gui.cpp" line="133"/>
+        <location filename="../src/gui.cpp" line="384"/>
+        <location filename="../src/gui.cpp" line="385"/>
        <source>Data sources</source>
        <translation>Zdroje dat</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="166"/>
+        <location filename="../src/gui.cpp" line="171"/>
        <source>Load POI file</source>
        <translation>Nahrát POI soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="169"/>
+        <location filename="../src/gui.cpp" line="174"/>
        <source>Show POIs</source>
        <translation>Zobrazit POI</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="174"/>
+        <location filename="../src/gui.cpp" line="180"/>
        <source>Show map</source>
        <translation>Zobrazit mapu</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="184"/>
+        <location filename="../src/gui.cpp" line="193"/>
        <source>Show graphs</source>
        <translation>Zobrazovat grafy</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="189"/>
+        <location filename="../src/gui.cpp" line="199"/>
        <source>Show toolbars</source>
        <translation>Zobrazovat nástrojové lišty</translation>
    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="206"/>
+        <source>Metric</source>
+        <translation>Metrické</translation>
+    </message>
    <message>
        <location filename="../src/gui.cpp" line="212"/>
+        <source>Imperial</source>
+        <translation>Imperiální</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="219"/>
+        <source>Next</source>
+        <translation>Následující</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="222"/>
+        <source>Previous</source>
+        <translation>Předchozí</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="226"/>
+        <source>Last</source>
+        <translation>Poslední</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="229"/>
+        <source>First</source>
+        <translation>První</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="251"/>
        <source>Map</source>
        <translation>Mapa</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="217"/>
+        <location filename="../src/gui.cpp" line="256"/>
        <source>POI</source>
        <translation>POI</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="221"/>
+        <location filename="../src/gui.cpp" line="260"/>
        <source>Settings</source>
        <translation>Nastavení</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="225"/>
+        <location filename="../src/gui.cpp" line="261"/>
+        <source>Units</source>
+        <translation>Jednotky</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="268"/>
        <source>Help</source>
        <translation>Nápověda</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="263"/>
+        <location filename="../src/gui.cpp" line="318"/>
        <source>Elevation</source>
        <translation>Výška</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="264"/>
+        <location filename="../src/gui.cpp" line="319"/>
        <source>Speed</source>
        <translation>Rychlost</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="314"/>
+        <location filename="../src/gui.cpp" line="369"/>
        <source>Next file</source>
        <translation>Následující soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="315"/>
+        <location filename="../src/gui.cpp" line="370"/>
        <source>Previous file</source>
        <translation>Předchozí soubor</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="317"/>
+        <location filename="../src/gui.cpp" line="372"/>
+        <source>First file</source>
+        <translation>První soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="373"/>
+        <source>Last file</source>
+        <translation>Poslední soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="374"/>
        <source>Append modifier</source>
        <translation>Modifikátor nahradit/přidat</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="331"/>
+        <location filename="../src/gui.cpp" line="388"/>
        <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="335"/>
+        <location filename="../src/gui.cpp" line="392"/>
        <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="343"/>
+        <location filename="../src/gui.cpp" line="400"/>
        <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="396"/>
        <location filename="../src/gui.cpp" line="412"/>
+        <source>GPX files (*.gpx);;All files (*)</source>
+        <translation>soubory GPX (*.gpx);;všechny soubory (*)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="462"/>
+        <location filename="../src/gui.cpp" line="479"/>
        <source>Line: %1</source>
        <translation>Řádka: %1</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="464"/>
+        <location filename="../src/gui.cpp" line="472"/>
+        <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="526"/>
+        <location filename="../src/gui.cpp" line="645"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="529"/>
+        <location filename="../src/gui.cpp" line="531"/>
+        <location filename="../src/gui.cpp" line="533"/>
+        <location filename="../src/gui.cpp" line="535"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="532"/>
+        <location filename="../src/gui.cpp" line="544"/>
        <source>Maximum</source>
        <translation>Maximum</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="466"/>
+        <location filename="../src/gui.cpp" line="534"/>
+        <location filename="../src/gui.cpp" line="546"/>
        <source>Minimum</source>
        <translation>Minimum</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="133"/>
-        <location filename="../src/gui.cpp" line="291"/>
+        <location filename="../src/gui.cpp" line="138"/>
+        <location filename="../src/gui.cpp" line="346"/>
        <source>About GPXSee</source>
        <translation>O aplikaci GPXSee</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="293"/>
+        <location filename="../src/gui.cpp" line="294"/>
+        <source>Navigation</source>
+        <translation>Navigace</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="348"/>
        <source>GPX viewer and analyzer</source>
        <translation>Prohlížeč a analyzátor GPX</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="330"/>
+        <location filename="../src/gui.cpp" line="387"/>
        <source>Map sources</source>
        <translation>Mapové zdroje</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="342"/>
+        <location filename="../src/gui.cpp" line="399"/>
        <source>POIs</source>
        <translation>POI body</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="457"/>
+        <location filename="../src/gui.cpp" line="525"/>
+        <location filename="../src/gui.cpp" line="537"/>
        <source>Distance</source>
        <translation>Vzdálenost</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="459"/>
+        <location filename="../src/gui.cpp" line="527"/>
+        <location filename="../src/gui.cpp" line="539"/>
        <source>Time</source>
        <translation>Čas</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="460"/>
+        <location filename="../src/gui.cpp" line="528"/>
+        <location filename="../src/gui.cpp" line="540"/>
        <source>Ascent</source>
        <translation>Stoupání</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="461"/>
-        <location filename="../src/gui.cpp" line="463"/>
-        <location filename="../src/gui.cpp" line="465"/>
-        <location filename="../src/gui.cpp" line="467"/>
+        <location filename="../src/gui.cpp" line="541"/>
+        <location filename="../src/gui.cpp" line="543"/>
+        <location filename="../src/gui.cpp" line="545"/>
+        <location filename="../src/gui.cpp" line="547"/>
        <source>m</source>
        <translation>m</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="462"/>
+        <location filename="../src/gui.cpp" line="530"/>
+        <location filename="../src/gui.cpp" line="542"/>
        <source>Descent</source>
        <translation>Klesání</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="558"/>
+        <location filename="../src/gui.cpp" line="641"/>
        <source>%1 tracks</source>
        <translation>Počet tras: %1</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="458"/>
-        <location filename="../src/gui.cpp" line="561"/>
+        <location filename="../src/gui.cpp" line="538"/>
+        <location filename="../src/gui.cpp" line="648"/>
        <source>km</source>
        <translation>km</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="398"/>
-        <location filename="../src/gui.cpp" line="413"/>
+        <location filename="../src/gui.cpp" line="464"/>
+        <location filename="../src/gui.cpp" line="480"/>
        <source>Error</source>
        <translation>Chyba</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="393"/>
+        <location filename="../src/gui.cpp" line="459"/>
        <source>Error loading GPX file:
 %1</source>
        <translation>Soubor GPX nelze otevřít:
 %1</translation>
    </message>
    <message>
-        <location filename="../src/gui.cpp" line="409"/>
+        <location filename="../src/gui.cpp" line="476"/>
        <source>Error loading POI file:
 %1</source>
        <translation>Soubor POI nelze otevřít:
 %1</translation>
    </message>
 </context>
+<context>
+    <name>QObject</name>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="75"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="75"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="77"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="77"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+</context>
 <context>
    <name>SpeedGraph</name>
    <message>
-        <location filename="../src/speedgraph.cpp" line="9"/>
+        <location filename="../src/speedgraph.cpp" line="10"/>
        <source>Distance</source>
        <translation>Vzdálenost</translation>
    </message>
    <message>
-        <location filename="../src/speedgraph.cpp" line="10"/>
+        <location filename="../src/speedgraph.cpp" line="11"/>
        <source>Speed</source>
        <translation>Rychlost</translation>
    </message>
    <message>
-        <location filename="../src/speedgraph.cpp" line="11"/>
+        <location filename="../src/speedgraph.cpp" line="12"/>
+        <location filename="../src/speedgraph.cpp" line="73"/>
        <source>km</source>
        <translation></translation>
    </message>
    <message>
-        <location filename="../src/speedgraph.cpp" line="12"/>
+        <location filename="../src/speedgraph.cpp" line="13"/>
+        <location filename="../src/speedgraph.cpp" line="74"/>
        <source>km/h</source>
        <translation>km/h</translation>
    </message>
    <message>
-        <location filename="../src/speedgraph.cpp" line="35"/>
+        <location filename="../src/speedgraph.cpp" line="21"/>
        <source>Average</source>
        <translation>Průměr</translation>
    </message>
    <message>
-        <location filename="../src/speedgraph.cpp" line="37"/>
+        <location filename="../src/speedgraph.cpp" line="23"/>
        <source>Maximum</source>
        <translation>Maximum</translation>
    </message>
+    <message>
+        <location filename="../src/speedgraph.cpp" line="78"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraph.cpp" line="79"/>
+        <source>mi/h</source>
+        <translation>mi/h</translation>
+    </message>
 </context>
 </TS>
--- a/maps.txt
+++ b/maps.txt
@ -0,0 +1,2 @@
+Thunderforest	http://tile.thunderforest.com/outdoors/$z/$x/$y.png
+Open Street Map	http://tile.openstreetmap.org/$z/$x/$y.png
--- a/src/axisitem.cpp
+++ b/src/axisitem.cpp
@ -1,6 +1,7 @@
 #include <cmath>
 #include <QPainter>
 #include "config.h"
+#include "nicenum.h"
 #include "axisitem.h"


@ -15,38 +16,6 @@ struct Label {
 	double d;
 };

-static double niceNum(double x, int round)
-{
-	int expv;
-	double f;
-	double nf;
-
-	expv = 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.;
-		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);
-}
-
 static struct Label label(double min, double max, int ticks)
 {
 	double range;
@ -123,7 +92,6 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	QFont font;
 	font.setPixelSize(FONT_SIZE);
 	font.setFamily(FONT_FAMILY);
-	painter->setFont(font);
 	QFontMetrics fm(font);
 	QRect ts, ls;
 	struct Label l;
@ -131,6 +99,8 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	qreal val;


+	painter->setFont(font);
+
 	ls = fm.tightBoundingRect(_label);

 	if (_type == X) {
--- a/src/config.h
+++ b/src/config.h
@ -3,7 +3,7 @@

 #define APP_NAME       "GPXSee"
 #define APP_HOMEPAGE   "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "2.2"
+#define APP_VERSION    "2.7"

 #define FONT_FAMILY    "Arial"
 #define FONT_SIZE      12
--- a/src/elevationgraph.cpp
+++ b/src/elevationgraph.cpp
@ -1,64 +1,70 @@
 #include <float.h>
 #include "config.h"
+#include "gpx.h"
 #include "elevationgraph.h"


-ElevationGraph::ElevationGraph(QWidget *parent) : Graph(parent)
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphView(parent)
 {
 	_ascent = 0;
 	_descent = 0;
 	_max = -FLT_MAX;
 	_min = FLT_MAX;

-	Graph::setXLabel(tr("Distance"));
-	Graph::setYLabel(tr("Elevation"));
-	Graph::setXUnits(tr("km"));
-	Graph::setYUnits(tr("m"));
-	Graph::setXScale(0.001);
+	GraphView::setXLabel(tr("Distance"));
+	GraphView::setYLabel(tr("Elevation"));
+	GraphView::setXUnits(tr("km"));
+	GraphView::setYUnits(tr("m"));
+	GraphView::setXScale(M2KM);
+}
+
+void ElevationGraph::addInfo()
+{
+	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::loadGPX(const GPX &gpx)
 {
-	QVector<QPointF> data;
-	qreal min, max, ascent = 0, descent = 0;
+	for (int i = 0; i < gpx.trackCount(); i++) {
+		QVector<QPointF> data;
+		qreal min, max, ascent = 0, descent = 0;

+		gpx.track(i).elevationGraph(data);
+		if (data.isEmpty())
+			return;

-	gpx.elevationGraph(data);
-	if (data.isEmpty())
-		return;
+		min = max = data.at(0).y();

-	min = max = data.at(0).y();
+		for (int i = 1; i < data.size(); i++) {
+			qreal cur = data.at(i).y();
+			qreal prev = data.at(i-1).y();

-	for (int i = 1; i < data.size(); i++) {
-		qreal cur = data.at(i).y();
-		qreal prev = data.at(i-1).y();
+			if (cur > prev)
+				ascent += cur - prev;
+			if (cur < prev)
+				descent += prev - cur;

-		if (cur > prev)
-			ascent += cur - prev;
-		if (cur < prev)
-			descent += prev - cur;
+			if (cur > max)
+				max = cur;
+			if (cur < min)
+				min = cur;
+		}

-		if (cur > max)
-			max = cur;
-		if (cur < min)
-			min = cur;
+		_ascent += ascent;
+		_descent += descent;
+		_max = qMax(_max, max);
+		_min = qMin(_min, min);
+
+		addInfo();
+		loadData(data);
 	}
-
-	_ascent += ascent;
-	_descent += descent;
-	_max = qMax(_max, max);
-	_min = qMin(_min, min);
-
-	addInfo(tr("Ascent"), QString::number(_ascent, 'f', 0)
-	  + THIN_SPACE + _yUnits);
-	addInfo(tr("Descent"), QString::number(_descent, 'f', 0)
-	  + THIN_SPACE + _yUnits);
-	addInfo(tr("Maximum"), QString::number(_max, 'f', 0)
-	  + THIN_SPACE + _yUnits);
-	addInfo(tr("Minimum"), QString::number(_min, 'f', 0)
-	  + THIN_SPACE + _yUnits);
-
-	Graph::loadData(data);
 }

 void ElevationGraph::clear()
@ -68,5 +74,25 @@ void ElevationGraph::clear()
 	_max = -FLT_MAX;
 	_min = FLT_MAX;

-	Graph::clear();
+	GraphView::clear();
+}
+
+void ElevationGraph::setUnits(enum Units units)
+{
+	if (units == Metric) {
+		GraphView::setXUnits(tr("km"));
+		GraphView::setYUnits(tr("m"));
+		GraphView::setXScale(M2KM);
+		GraphView::setYScale(1);
+	} else {
+		GraphView::setXUnits(tr("mi"));
+		GraphView::setYUnits(tr("ft"));
+		GraphView::setXScale(M2MI);
+		GraphView::setYScale(M2FT);
+	}
+
+	clearInfo();
+	addInfo();
+
+	redraw();
 }
--- a/src/elevationgraph.h
+++ b/src/elevationgraph.h
@ -1,10 +1,12 @@
 #ifndef ELEVATIONGRAPH_H
 #define ELEVATIONGRAPH_H

-#include "graph.h"
-#include "gpx.h"
+#include "graphview.h"
+#include "units.h"

-class ElevationGraph : public Graph
+class GPX;
+
+class ElevationGraph : public GraphView
 {
 	Q_OBJECT

@ -13,6 +15,7 @@ public:

 	void loadGPX(const GPX &gpx);
 	void clear();
+	void setUnits(enum Units units);

 	qreal ascent() const {return _ascent;}
 	qreal descent() const {return _descent;}
@ -20,6 +23,8 @@ public:
 	qreal min() const {return _min;}

 private:
+	void addInfo();
+
 	qreal _ascent, _descent;
 	qreal _max, _min;
 };
--- a/src/filebrowser.cpp
+++ b/src/filebrowser.cpp
@ -41,6 +41,16 @@ void FileBrowser::setFilter(const QStringList &filter)
 		reloadDirectory(_files.last().canonicalPath());
 }

+bool FileBrowser::isLast()
+{
+	return (_files.size() > 0 && _index == _files.size() - 1);
+}
+
+bool FileBrowser::isFirst()
+{
+	return (_files.size() > 0 && _index == 0);
+}
+
 QString FileBrowser::next()
 {
 	if (_index < 0 || _index == _files.size() - 1)
@ -57,6 +67,24 @@ QString FileBrowser::prev()
 	return _files.at(--_index).absoluteFilePath();
 }

+QString FileBrowser::last()
+{
+	if (_files.empty())
+		return QString();
+
+	_index = _files.size() - 1;
+	return _files.last().absoluteFilePath();
+}
+
+QString FileBrowser::first()
+{
+	if (_files.empty())
+		return QString();
+
+	_index = 0;
+	return _files.first().absoluteFilePath();
+}
+
 void FileBrowser::reloadDirectory(const QString &path)
 {
 	QDir dir(path);
--- a/src/filebrowser.h
+++ b/src/filebrowser.h
@ -20,6 +20,11 @@ public:

 	QString next();
 	QString prev();
+	QString last();
+	QString first();
+
+	bool isLast();
+	bool isFirst();

 private slots:
 	void reloadDirectory(const QString &path);
--- a/src/gpx.cpp
+++ b/src/gpx.cpp
@ -4,88 +4,12 @@
 #include "gpx.h"


-#define WINDOW_EF 3
-#define WINDOW_SE 11
-#define WINDOW_SF 11
-
-static bool lt(const QPointF &p1, const QPointF &p2)
-{
-	return p1.y() < p2.y();
-}
-
-static qreal median(QVector<QPointF> v)
-{
-	qSort(v.begin(), v.end(), lt);
-	return v.at(v.size() / 2).y();
-}
-
-static qreal MAD(QVector<QPointF> v, qreal m)
-{
-	for (int i = 0; i < v.size(); i++)
-		v[i].setY(qAbs(v.at(i).y() - m));
-	qSort(v.begin(), v.end(), lt);
-	return v.at(v.size() / 2).y();
-}
-
-static QVector<QPointF> eliminate(const QVector<QPointF> &v, int window)
-{
-	QList<int> rm;
-	QVector<QPointF> ret;
-	qreal m, M;
-
-
-	if (v.size() < window)
-		return QVector<QPointF>(v);
-
-	for (int i = window/2; i < v.size() - window/2; i++) {
-		m = median(v.mid(i - window/2, window));
-		M = MAD(v.mid(i - window/2, window), m);
-		if (qAbs((0.6745 * (v.at(i).y() - m)) / M) > 3.5)
-			rm.append(i);
-	}
-
-	QList<int>::const_iterator it = rm.begin();
-	for (int i = 0; i < v.size(); i++) {
-		if (it == rm.end() || *it != i)
-			ret.append(v.at(i));
-		else
-			it++;
-	}
-
-	return ret;
-}
-
-static QVector<QPointF> filter(const QVector<QPointF> &v, int window)
-{
-	qreal acc = 0;
-	QVector<QPointF> ret;
-
-	if (v.size() < window)
-		return QVector<QPointF>(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));
-
-	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));
-	}
-
-	for (int i = v.size() - window/2; i < v.size(); i++)
-		ret.append(QPointF(v.at(i).x(), acc/window));
-
-	return ret;
-}
-
-
 bool GPX::loadFile(const QString &fileName)
 {
 	QFile file(fileName);
 	bool ret;

-	_data.clear();
+	_tracks.clear();
 	_error.clear();
 	_errorLine = 0;

@ -94,7 +18,7 @@ bool GPX::loadFile(const QString &fileName)
 		return false;
 	}

-	if (!(ret = _parser.loadFile(&file, _data))) {
+	if (!(ret = _parser.loadFile(&file))) {
 		_error = _parser.errorString();
 		_errorLine = _parser.errorLine();
 	}
@ -102,81 +26,3 @@ bool GPX::loadFile(const QString &fileName)

 	return ret;
 }
-
-void GPX::elevationGraph(QVector<QPointF> &graph) const
-{
-	qreal dist = 0;
-	QVector<QPointF> raw;
-
-	if (!_data.size())
-		return;
-
-	raw.append(QPointF(0, _data.at(0).elevation));
-	for (int i = 1; i < _data.size(); i++) {
-		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
-		raw.append(QPointF(dist,  _data.at(i).elevation
-		  - _data.at(i).geoidheight));
-	}
-
-	graph = filter(raw, WINDOW_EF);
-}
-
-void GPX::speedGraph(QVector<QPointF> &graph) const
-{
-	qreal dist = 0, v, ds, dt;
-	QVector<QPointF> raw;
-
-	if (!_data.size())
-		return;
-
-	raw.append(QPointF(0, 0));
-	for (int i = 1; i < _data.size(); i++) {
-		ds = llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
-		dt = _data.at(i-1).timestamp.msecsTo(_data.at(i).timestamp) / 1000.0;
-		dist += ds;
-
-		if (_data.at(i).speed < 0) {
-			if (dt == 0)
-				continue;
-			v = ds / dt;
-		} else
-			v = _data.at(i).speed;
-
-		raw.append(QPointF(dist, v));
-	}
-
-	graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
-}
-
-void GPX::track(QVector<QPointF> &track) const
-{
-	for (int i = 0; i < _data.size(); i++)
-		track.append(ll2mercator(_data.at(i).coordinates));
-}
-
-qreal GPX::distance() const
-{
-	qreal dist = 0;
-
-	for (int i = 1; i < _data.size(); i++)
-		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
-
-	return dist;
-}
-
-qreal GPX::time() const
-{
-	if (_data.size() < 2)
-		return 0;
-
-	return (_data.at(0).timestamp.msecsTo(_data.at(_data.size() - 1).timestamp)
-	  / 1000.0);
-}
-
-QDateTime GPX::date() const
-{
-	if (_data.size())
-		return _data.at(0).timestamp;
-	else
-		return QDateTime();
-}
--- a/src/gpx.h
+++ b/src/gpx.h
@ -2,29 +2,32 @@
 #define GPX_H

 #include <QVector>
+#include <QList>
 #include <QPointF>
 #include <QString>
+#include "waypoint.h"
+#include "track.h"
 #include "parser.h"

 class GPX
 {
 public:
+	GPX() : _parser(_tracks, _waypoints) {}
 	bool loadFile(const QString &fileName);
 	const QString &errorString() const {return _error;}
 	int errorLine() const {return _errorLine;}

-	void elevationGraph(QVector<QPointF> &graph) const;
-	void speedGraph(QVector<QPointF> &graph) const;
-	void track(QVector<QPointF> &track) const;
-	qreal distance() const;
-	qreal time() const;
-	QDateTime date() const;
+	int trackCount() const {return _tracks.count();}
+	Track track(int i) const {return Track(_tracks.at(i));}
+	const QList<WayPoint> &waypoints() const {return _waypoints;}

 private:
 	Parser _parser;
-	QVector<TrackPoint> _data;
 	QString _error;
 	int _errorLine;
+
+	QList<QVector<TrackPoint> > _tracks;
+	QList<WayPoint> _waypoints;
 };

 #endif // GPX_H
--- a/src/graphview.cpp
+++ b/src/graphview.cpp
@ -3,11 +3,12 @@
 #include <QGraphicsSceneMouseEvent>
 #include <QEvent>
 #include <QGraphicsSimpleTextItem>
+#include "config.h"
+#include "axisitem.h"
 #include "slideritem.h"
 #include "sliderinfoitem.h"
 #include "infoitem.h"
-#include "config.h"
-#include "graph.h"
+#include "graphview.h"


 #define MARGIN 10.0
@ -21,7 +22,7 @@ void Scene::mousePressEvent(QGraphicsSceneMouseEvent *e)
 }


-Graph::Graph(QWidget *parent)
+GraphView::GraphView(QWidget *parent)
 	: QGraphicsView(parent)
 {
 	_scene = new Scene(this);
@ -54,7 +55,7 @@ Graph::Graph(QWidget *parent)
 	_precision = 0;
 }

-Graph::~Graph()
+GraphView::~GraphView()
 {
 	if (_xAxis->scene() != _scene)
 		delete _xAxis;
@ -70,7 +71,7 @@ Graph::~Graph()
 	delete _scene;
 }

-void Graph::updateBounds(const QPointF &point)
+void GraphView::updateBounds(const QPointF &point)
 {
 	if (point.x() < _xMin)
 		_xMin = point.x();
@ -82,41 +83,51 @@ void Graph::updateBounds(const QPointF &point)
 		_yMax = point.y();
 }

-void Graph::createXLabel()
+void GraphView::createXLabel()
 {
 	_xAxis->setLabel(QString("%1 [%2]").arg(_xLabel).arg(_xUnits));
 }

-void Graph::createYLabel()
+void GraphView::createYLabel()
 {
 	_yAxis->setLabel(QString("%1 [%2]").arg(_yLabel).arg(_yUnits));
 }

-void Graph::setXLabel(const QString &label)
+void GraphView::setXLabel(const QString &label)
 {
 	_xLabel = label;
 	createXLabel();
 }

-void Graph::setYLabel(const QString &label)
+void GraphView::setYLabel(const QString &label)
 {
 	_yLabel = label;
 	createYLabel();
 }

-void Graph::setXUnits(const QString &units)
+void GraphView::setXUnits(const QString &units)
 {
 	_xUnits = units;
 	createXLabel();
 }

-void Graph::setYUnits(const QString &units)
+void GraphView::setYUnits(const QString &units)
 {
 	_yUnits = units;
 	createYLabel();
 }

-void Graph::loadData(const QVector<QPointF> &data)
+void GraphView::setXScale(qreal scale)
+{
+	_xScale = scale;
+}
+
+void GraphView::setYScale(qreal scale)
+{
+	_yScale = scale;
+}
+
+void GraphView::loadData(const QVector<QPointF> &data)
 {
 	QPainterPath path;
 	QGraphicsPathItem *pi;
@ -143,10 +154,16 @@ void Graph::loadData(const QVector<QPointF> &data)
 	if (_graphs.size() > 1)
 		_sliderInfo->hide();

-	resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+	redraw();
 }

-void Graph::resize(const QSizeF &size)
+void GraphView::redraw()
+{
+	if (!_graphs.isEmpty())
+		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+}
+
+void GraphView::resize(const QSizeF &size)
 {
 	QRectF r;
 	QSizeF mx, my;
@ -187,10 +204,17 @@ void Graph::resize(const QSizeF &size)
 	_scene->addItem(_xAxis);
 	_scene->addItem(_yAxis);

+	qreal sp = (_slider->pos().x() == _slider->area().left())
+		? 0 : (_slider->pos().x() - _slider->area().left())
+		  / _slider->area().width();
 	_slider->setArea(r);
-	_slider->setPos(r.bottomLeft());
+	_slider->setPos(QPointF(sp * r.width(), r.bottom()));
 	_scene->addItem(_slider);

+	const QPainterPath &path = _graphs.at(0)->path();
+	QPointF p = path.pointAtPercent(sp);
+	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
+
 	r = _scene->itemsBoundingRect();
 	_info->setPos(r.topLeft() + QPointF(r.width()/2
 	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
@ -199,13 +223,13 @@ void Graph::resize(const QSizeF &size)
 	_scene->setSceneRect(_scene->itemsBoundingRect());
 }

-void Graph::resizeEvent(QResizeEvent *)
+void GraphView::resizeEvent(QResizeEvent *)
 {
 	if (!_graphs.empty())
-		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+		redraw();
 }

-void Graph::plot(QPainter *painter, const QRectF &target)
+void GraphView::plot(QPainter *painter, const QRectF &target)
 {
 	qreal ratio = target.width() / target.height();
 	QSizeF orig = _scene->sceneRect().size();
@ -214,13 +238,13 @@ void Graph::plot(QPainter *painter, const QRectF &target)
 	resize(canvas);
 	_slider->hide();
 	_info->hide();
-	_scene->render(painter, target, QRectF(), Qt::KeepAspectRatioByExpanding);
+	_scene->render(painter, target, QRectF());
 	_slider->show();
 	_info->show();
 	resize(orig);
 }

-void Graph::clear()
+void GraphView::clear()
 {
 	if (_xAxis->scene() == _scene)
 		_scene->removeItem(_xAxis);
@ -234,6 +258,7 @@ void Graph::clear()
 		_scene->removeItem(_info);
 	_sliderInfo->show();

+	_slider->clear();
 	_info->clear();
 	_scene->clear();
 	_graphs.clear();
@ -247,7 +272,7 @@ void Graph::clear()
 	_scene->setSceneRect(0, 0, 0, 0);
 }

-void Graph::emitSliderPositionChanged(const QPointF &pos)
+void GraphView::emitSliderPositionChanged(const QPointF &pos)
 {
 	if (_graphs.isEmpty())
 		return;
@ -263,17 +288,17 @@ void Graph::emitSliderPositionChanged(const QPointF &pos)
 	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
 }

-qreal Graph::sliderPosition() const
+qreal GraphView::sliderPosition() const
 {
 	return _slider->pos().x() / _slider->area().width();
 }

-void Graph::setSliderPosition(qreal pos)
+void GraphView::setSliderPosition(qreal pos)
 {
 	_slider->setPos(pos * _slider->area().width(), 0);
 }

-void Graph::newSliderPosition(const QPointF &pos)
+void GraphView::newSliderPosition(const QPointF &pos)
 {
 	if (_slider->area().contains(pos)) {
 		_slider->setPos(pos);
@ -281,7 +306,12 @@ void Graph::newSliderPosition(const QPointF &pos)
 	}
 }

-void Graph::addInfo(const QString &key, const QString &value)
+void GraphView::addInfo(const QString &key, const QString &value)
 {
 	_info->insert(key, value);
 }
+
+void GraphView::clearInfo()
+{
+	_info->clear();
+}
--- a/src/graphview.h
+++ b/src/graphview.h
@ -1,17 +1,15 @@
-#ifndef GRAPH_H
-#define GRAPH_H
+#ifndef GRAPHVIEW_H
+#define GRAPHVIEW_H

 #include <QGraphicsView>
 #include <QGraphicsScene>
 #include <QVector>
 #include <QList>
 #include <QPointF>
-#include "axisitem.h"
 #include "colorshop.h"


-#define THIN_SPACE     QString::fromUtf8("\xE2\x80\x89")
-
+class AxisItem;
 class SliderItem;
 class SliderInfoItem;
 class InfoItem;
@ -28,23 +26,25 @@ signals:
 	void mouseClicked(const QPointF &pos);
 };

-class Graph : public QGraphicsView
+class GraphView : public QGraphicsView
 {
 	Q_OBJECT

 public:
-	Graph(QWidget *parent = 0);
-	~Graph();
+	GraphView(QWidget *parent = 0);
+	~GraphView();

 	void loadData(const QVector<QPointF> &data);
 	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 setXScale(qreal scale);
+	void setYScale(qreal scale);
 	void setPrecision(int p) {_precision = p;}

+	void redraw();
+
 	void plot(QPainter *painter, const QRectF &target);
 	void clear();

@ -52,6 +52,7 @@ public:
 	void setSliderPosition(qreal pos);

 	void addInfo(const QString &key, const QString &value);
+	void clearInfo();

 signals:
 	void sliderPositionChanged(qreal);
@ -86,4 +87,4 @@ private:
 	ColorShop _colorShop;
 };

-#endif // GRAPH_H
+#endif // GRAPHVIEW_H
--- a/src/gui.cpp
+++ b/src/gui.cpp
@ -16,7 +16,7 @@
 #include "maplist.h"
 #include "elevationgraph.h"
 #include "speedgraph.h"
-#include "track.h"
+#include "trackview.h"
 #include "infoitem.h"
 #include "filebrowser.h"
 #include "gui.h"
@ -31,11 +31,11 @@ static QString timeSpan(qreal time)
 	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'));
+	  .arg(s, 2, 10, QChar('0'));
 }


-GUI::GUI()
+GUI::GUI(QWidget *parent) : QMainWindow(parent)
 {
 	loadFiles();

@ -67,6 +67,7 @@ GUI::GUI()

 	_distance = 0;
 	_time = 0;
+	_trackCount = 0;

 	resize(600, 800);
 }
@ -74,17 +75,15 @@ GUI::GUI()
 void GUI::loadFiles()
 {
 	// Maps
-	_maps = MapList::load(QString("%1/"MAP_LIST_FILE).arg(QDir::homePath()));
+	_maps = MapList::load(this, QString("%1/" MAP_LIST_FILE)
+	  .arg(QDir::homePath()));
+	_maps += MapList::load(this, ":/maps.txt");

 	// POI files
-	QDir dir(QString("%1/"POI_DIR).arg(QDir::homePath()));
+	QDir dir(QString("%1/" POI_DIR).arg(QDir::homePath()));
 	QFileInfoList list = dir.entryInfoList(QStringList(), QDir::Files);
-	for (int i = 0; i < list.size(); ++i) {
-		if (!_poi.loadFile(list.at(i).absoluteFilePath()))
-			fprintf(stderr, "Error loading POI file: %s: %s",
-			  qPrintable(list.at(i).absoluteFilePath()),
-			  qPrintable(_poi.errorString()));
-	}
+	for (int i = 0; i < list.size(); ++i)
+		_poi.loadFile(list.at(i).absoluteFilePath());
 }

 void GUI::createMapActions()
@ -118,6 +117,8 @@ void GUI::createActions()
 	_fileActionGroup->setExclusive(false);
 	_fileActionGroup->setEnabled(false);

+	_navigationActionGroup = new QActionGroup(this);
+	_navigationActionGroup->setEnabled(false);

 	// General actions
 	_exitAction = new QAction(QIcon(QPixmap(QUIT_ICON)), tr("Quit"), this);
@ -168,22 +169,27 @@ void GUI::createActions()
 	_showPOIAction = new QAction(QIcon(QPixmap(SHOW_POI_ICON)),
 	  tr("Show POIs"), this);
 	_showPOIAction->setCheckable(true);
+	_showPOIAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_P));
 	connect(_showPOIAction, SIGNAL(triggered(bool)), this, SLOT(showPOI(bool)));

 	// Map actions
 	_showMapAction = new QAction(QIcon(QPixmap(SHOW_MAP_ICON)), tr("Show map"),
 	  this);
 	_showMapAction->setCheckable(true);
+	_showMapAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_M));
 	connect(_showMapAction, SIGNAL(triggered(bool)), this, SLOT(showMap(bool)));
 	if (_maps.empty())
 		_showMapAction->setEnabled(false);
-	else
+	else {
 		createMapActions();
+		_showMapAction->setChecked(true);
+	}

 	// Settings actions
 	_showGraphsAction = new QAction(tr("Show graphs"), this);
 	_showGraphsAction->setCheckable(true);
 	_showGraphsAction->setChecked(true);
+	_showGraphsAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_G));
 	connect(_showGraphsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showGraphs(bool)));
 	_showToolbarsAction = new QAction(tr("Show toolbars"), this);
@ -191,6 +197,35 @@ void GUI::createActions()
 	_showToolbarsAction->setChecked(true);
 	connect(_showToolbarsAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showToolbars(bool)));
+	QActionGroup *ag = new QActionGroup(this);
+	ag->setExclusive(true);
+	_metricUnitsAction = new QAction(tr("Metric"), this);
+	_metricUnitsAction->setCheckable(true);
+	_metricUnitsAction->setActionGroup(ag);
+	_metricUnitsAction->setChecked(true);
+	connect(_metricUnitsAction, SIGNAL(triggered()), this,
+	  SLOT(setMetricUnits()));
+	_imperialUnitsAction = new QAction(tr("Imperial"), this);
+	_imperialUnitsAction->setCheckable(true);
+	_imperialUnitsAction->setActionGroup(ag);
+	connect(_imperialUnitsAction, SIGNAL(triggered()), this,
+	  SLOT(setImperialUnits()));
+
+	// Navigation actions
+	_nextAction = new QAction(QIcon(QPixmap(NEXT_FILE_ICON)), tr("Next"), this);
+	_nextAction->setActionGroup(_navigationActionGroup);
+	connect(_nextAction, SIGNAL(triggered()), this, SLOT(next()));
+	_prevAction = new QAction(QIcon(QPixmap(PREV_FILE_ICON)), tr("Previous"),
+	  this);
+	_prevAction->setActionGroup(_navigationActionGroup);
+	connect(_prevAction, SIGNAL(triggered()), this, SLOT(prev()));
+	_lastAction = new QAction(QIcon(QPixmap(LAST_FILE_ICON)), tr("Last"), this);
+	_lastAction->setActionGroup(_navigationActionGroup);
+	connect(_lastAction, SIGNAL(triggered()), this, SLOT(last()));
+	_firstAction = new QAction(QIcon(QPixmap(FIRST_FILE_ICON)), tr("First"),
+	  this);
+	_firstAction->setActionGroup(_navigationActionGroup);
+	connect(_firstAction, SIGNAL(triggered()), this, SLOT(first()));
 }

 void GUI::createMenus()
@ -219,6 +254,10 @@ void GUI::createMenus()
 	_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);

@ -247,11 +286,23 @@ void GUI::createToolBars()
 #ifdef Q_OS_MAC
 	_showToolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
 #endif // Q_OS_MAC
+
+	_navigationToolBar = addToolBar(tr("Navigation"));
+	_navigationToolBar->addAction(_firstAction);
+	_navigationToolBar->addAction(_prevAction);
+	_navigationToolBar->addAction(_nextAction);
+	_navigationToolBar->addAction(_lastAction);
+#ifdef Q_OS_MAC
+	_navigationToolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+#endif // Q_OS_MAC
 }

 void GUI::createTrackView()
 {
-	_track = new Track(this);
+	_track = new TrackView(this);
+
+	if (_showMapAction->isChecked())
+		_track->setMap(_currentMap);
 }

 void GUI::createTrackGraphs()
@ -289,12 +340,12 @@ void GUI::about()
 	QMessageBox msgBox(this);

 	msgBox.setWindowTitle(tr("About GPXSee"));
-	msgBox.setText(QString("<h3>") + QString(APP_NAME" "APP_VERSION)
+	msgBox.setText(QString("<h3>") + QString(APP_NAME " " APP_VERSION)
 	  + QString("</h3><p>") + tr("GPX viewer and analyzer") + QString("<p/>"));
 	msgBox.setInformativeText(QString("<table width=\"300\"><tr><td>")
 	  + tr("GPXSee is distributed under the terms of the GNU General Public "
 	  "License version 3. For more info about GPXSee visit the project "
-	  "homepage at ") + QString("<a href=\""APP_HOMEPAGE"\">"APP_HOMEPAGE
+	  "homepage at ") + QString("<a href=\"" APP_HOMEPAGE "\">" APP_HOMEPAGE
 	  "</a>.</td></tr></table>"));

 	QIcon icon = msgBox.windowIcon();
@ -314,8 +365,10 @@ void GUI::keys()
 	  QString("<div><table width=\"300\"><tr><td>") + tr("Next file")
 	  + QString("</td><td><i>SPACE</i></td></tr><tr><td>") + tr("Previous file")
 	  + QString("</td><td><i>BACKSPACE</i></td></tr><tr><td>")
-	  + tr("Append modifier") + QString("</td><td><i>SHIFT</i></td></tr>"
-	  "</table></div>"));
+	  + tr("First file") + QString("</td><td><i>HOME</i></td></tr><tr><td>")
+	  + tr("Last file") + QString("</td><td><i>END</i></td></tr><tr><td></td>"
+	  "<td></td></tr><tr><td>") + tr("Append modifier")
+	  + QString("</td><td><i>SHIFT</i></td></tr></table></div>"));

 	msgBox.exec();
 }
@ -331,7 +384,7 @@ void GUI::dataSources()
 	  + tr("Map (tiles) source URLs are read on program startup from the "
 		"following file:")
 		+ QString("</p><p><code>") + QDir::homePath()
-		  + QString("/"MAP_LIST_FILE"</code></p><p>")
+		  + QString("/" MAP_LIST_FILE "</code></p><p>")
 		+ tr("The file format is one map entry per line, consisting of the map "
 		  "name and tiles URL delimited by a TAB character. The tile X and Y "
 		  "coordinates are replaced with $x and $y in the URL and the zoom "
@ -343,7 +396,7 @@ void GUI::dataSources()
 	  + tr("To make GPXSee load a POI file automatically on startup, add "
 		"the file to the following directory:")
 		+ QString("</p><p><code>") + QDir::homePath()
-		+ QString("/"POI_DIR"</code></p>")
+		+ QString("/" POI_DIR "</code></p>")
 	);

 	msgBox.exec();
@ -351,7 +404,8 @@ void GUI::dataSources()

 void GUI::openFile()
 {
-	QStringList files = QFileDialog::getOpenFileNames(this, tr("Open file"));
+	QStringList files = QFileDialog::getOpenFileNames(this, tr("Open file"),
+	  QString(), tr("GPX files (*.gpx);;All files (*)"));
 	QStringList list = files;

 	for (QStringList::Iterator it = list.begin(); it != list.end(); it++)
@ -368,9 +422,13 @@ bool GUI::openFile(const QString &fileName)
 		_browser->setCurrent(fileName);
 		updateStatusBarInfo();
 		_fileActionGroup->setEnabled(true);
+		_navigationActionGroup->setEnabled(true);
+		updateNavigationActions();
 		return true;
-	} else
+	} else {
+		updateNavigationActions();
 		return false;
+	}
 }

 bool GUI::loadFile(const QString &fileName)
@ -384,8 +442,12 @@ bool GUI::loadFile(const QString &fileName)
 		if (_showPOIAction->isChecked())
 			_track->loadPOI(_poi);

-		_distance += gpx.distance();
-		_time += gpx.time();
+		for (int i = 0; i < gpx.trackCount(); i++) {
+			_distance += gpx.track(i).distance();
+			_time += gpx.track(i).time();
+		}
+
+		_trackCount += gpx.trackCount();

 		return true;
 	} else {
@ -402,7 +464,8 @@ bool GUI::loadFile(const QString &fileName)

 void GUI::openPOIFile()
 {
-	QString fileName = QFileDialog::getOpenFileName(this, tr("Open POI file"));
+	QString fileName = QFileDialog::getOpenFileName(this, tr("Open POI file"),
+	  QString(), tr("GPX files (*.gpx);;CSV files (*.csv);;All files (*)"));

 	if (!fileName.isEmpty()) {
 		if (!_poi.loadFile(fileName)) {
@ -454,17 +517,31 @@ void GUI::saveFile(const QString &fileName)

 	QGraphicsScene scene;
 	InfoItem info;
-	info.insert(tr("Distance"), QString::number(_distance / 1000, 'f', 1)
-	  + THIN_SPACE + tr("km"));
-	info.insert(tr("Time"), timeSpan(_time));
-	info.insert(tr("Ascent"), QString::number(_elevationGraph->ascent(), 'f', 0)
-	  + THIN_SPACE + tr("m"));
-	info.insert(tr("Descent"), QString::number(_elevationGraph->descent(), 'f',
-	  0) + THIN_SPACE + tr("m"));
-	info.insert(tr("Maximum"), QString::number(_elevationGraph->max(), 'f', 0)
-	  + THIN_SPACE + tr("m"));
-	info.insert(tr("Minimum"), QString::number(_elevationGraph->min(), 'f', 0)
-	  + THIN_SPACE + tr("m"));
+	if (_imperialUnitsAction->isChecked()) {
+		info.insert(tr("Distance"), QString::number(_distance * M2MI, 'f', 1)
+		  + UNIT_SPACE + tr("mi"));
+		info.insert(tr("Time"), timeSpan(_time));
+		info.insert(tr("Ascent"), QString::number(_elevationGraph->ascent()
+		  * M2FT, 'f', 0) + UNIT_SPACE + tr("ft"));
+		info.insert(tr("Descent"), QString::number(_elevationGraph->descent()
+		  * M2FT, 'f', 0) + UNIT_SPACE + tr("ft"));
+		info.insert(tr("Maximum"), QString::number(_elevationGraph->max()
+		  * M2FT, 'f', 0) + UNIT_SPACE + tr("ft"));
+		info.insert(tr("Minimum"), QString::number(_elevationGraph->min()
+		  * M2FT, 'f', 0) + UNIT_SPACE + tr("ft"));
+	} else {
+		info.insert(tr("Distance"), QString::number(_distance * M2KM, 'f', 1)
+		  + UNIT_SPACE + tr("km"));
+		info.insert(tr("Time"), timeSpan(_time));
+		info.insert(tr("Ascent"), QString::number(_elevationGraph->ascent(),
+		  'f', 0) + UNIT_SPACE + tr("m"));
+		info.insert(tr("Descent"), QString::number(_elevationGraph->descent(),
+		  'f', 0) + UNIT_SPACE + tr("m"));
+		info.insert(tr("Maximum"), QString::number(_elevationGraph->max(), 'f',
+		  0) + UNIT_SPACE + tr("m"));
+		info.insert(tr("Minimum"), QString::number(_elevationGraph->min(), 'f',
+		  0) + UNIT_SPACE + tr("m"));
+	}
 	scene.addItem(&info);
 	scene.render(&p, QRectF(0, 0, printer.width(), 200));

@ -498,6 +575,7 @@ void GUI::closeFile()
 {
 	_distance = 0;
 	_time = 0;
+	_trackCount = 0;

 	_elevationGraph->clear();
 	_speedGraph->clear();
@ -535,30 +613,35 @@ void GUI::showToolbars(bool checked)
 	if (checked) {
 		addToolBar(_fileToolBar);
 		addToolBar(_showToolBar);
+		addToolBar(_navigationToolBar);
 		_fileToolBar->show();
 		_showToolBar->show();
+		_navigationToolBar->show();
 	} else {
 		removeToolBar(_fileToolBar);
 		removeToolBar(_showToolBar);
+		removeToolBar(_navigationToolBar);
 	}
 }

 void GUI::updateStatusBarInfo()
 {
-	int files = _files.size();
-
-	if (files == 0) {
+	if (_files.count() == 0) {
 		_fileNameLabel->clear();
 		_distanceLabel->clear();
 		_timeLabel->clear();
 		return;
-	} else if (files == 1)
+	} else if (_files.count() == 1)
 		_fileNameLabel->setText(_files.at(0));
 	else
-		_fileNameLabel->setText(tr("%1 tracks").arg(_files.size()));
+		_fileNameLabel->setText(tr("%1 tracks").arg(_trackCount));

-	_distanceLabel->setText(QString::number(_distance / 1000, 'f', 1)
-	  + " " + tr("km"));
+	if (_imperialUnitsAction->isChecked())
+		_distanceLabel->setText(QString::number(_distance * M2MI, 'f', 1)
+		  + " " + tr("mi"));
+	else
+		_distanceLabel->setText(QString::number(_distance * M2KM, 'f', 1)
+		  + " " + tr("km"));
 	_timeLabel->setText(timeSpan(_time));
 }

@ -578,14 +661,99 @@ void GUI::graphChanged(int index)
 		_speedGraph->setSliderPosition(_elevationGraph->sliderPosition());
 }

+void GUI::updateNavigationActions()
+{
+	if (_browser->isLast()) {
+		_nextAction->setEnabled(false);
+		_lastAction->setEnabled(false);
+	} else {
+		_nextAction->setEnabled(true);
+		_lastAction->setEnabled(true);
+	}
+
+	if (_browser->isFirst()) {
+		_prevAction->setEnabled(false);
+		_firstAction->setEnabled(false);
+	} else {
+		_prevAction->setEnabled(true);
+		_firstAction->setEnabled(true);
+	}
+}
+
+void GUI::setMetricUnits()
+{
+	_track->setUnits(Metric);
+	_elevationGraph->setUnits(Metric);
+	_speedGraph->setUnits(Metric);
+	updateStatusBarInfo();
+}
+
+void GUI::setImperialUnits()
+{
+	_track->setUnits(Imperial);
+	_elevationGraph->setUnits(Imperial);
+	_speedGraph->setUnits(Imperial);
+	updateStatusBarInfo();
+}
+
+void GUI::next()
+{
+	QString file = _browser->next();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+}
+
+void GUI::prev()
+{
+	QString file = _browser->prev();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+}
+
+void GUI::last()
+{
+	QString file = _browser->last();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+}
+
+void GUI::first()
+{
+	QString file = _browser->first();
+	if (file.isNull())
+		return;
+
+	closeFile();
+	openFile(file);
+}
+
 void GUI::keyPressEvent(QKeyEvent *event)
 {
 	QString file;

-	if (event->key() == PREV_KEY)
-		file = _browser->prev();
-	if (event->key() == NEXT_KEY)
-		file = _browser->next();
+	switch (event->key()) {
+		case PREV_KEY:
+			file = _browser->prev();
+			break;
+		case NEXT_KEY:
+			file = _browser->next();
+			break;
+		case FIRST_KEY:
+			file = _browser->first();
+			break;
+		case LAST_KEY:
+			file = _browser->last();
+			break;
+	}

 	if (!file.isNull()) {
 		if (!(event->modifiers() & MODIFIER))
--- a/src/gui.h
+++ b/src/gui.h
@ -15,7 +15,7 @@
 class FileBrowser;
 class ElevationGraph;
 class SpeedGraph;
-class Track;
+class TrackView;
 class Map;

 class GUI : public QMainWindow
@ -23,7 +23,7 @@ class GUI : public QMainWindow
 	Q_OBJECT

 public:
-	GUI();
+	GUI(QWidget *parent = 0);

 	bool openFile(const QString &fileName);

@ -45,6 +45,14 @@ private slots:
 	void mapChanged(int);
 	void graphChanged(int);

+	void next();
+	void prev();
+	void last();
+	void first();
+
+	void setMetricUnits();
+	void setImperialUnits();
+
 private:
 	void loadFiles();

@ -59,6 +67,7 @@ private:
 	bool loadFile(const QString &fileName);
 	void saveFile(const QString &fileName);
 	void updateStatusBarInfo();
+	void updateNavigationActions();

 	void keyPressEvent(QKeyEvent * event);

@ -67,11 +76,14 @@ private:
 	QMenu *_poiMenu;
 	QMenu *_mapMenu;
 	QMenu *_settingsMenu;
+	QMenu *_unitsMenu;

 	QToolBar *_fileToolBar;
 	QToolBar *_showToolBar;
+	QToolBar *_navigationToolBar;
 	QTabWidget *_trackGraphs;
 	QActionGroup *_fileActionGroup;
+	QActionGroup *_navigationActionGroup;

 	QAction *_exitAction;
 	QAction *_keysAction;
@ -88,6 +100,12 @@ private:
 	QAction *_showMapAction;
 	QAction *_showGraphsAction;
 	QAction *_showToolbarsAction;
+	QAction *_nextAction;
+	QAction *_prevAction;
+	QAction *_lastAction;
+	QAction *_firstAction;
+	QAction *_metricUnitsAction;
+	QAction *_imperialUnitsAction;
 	QList<QAction*> _mapActions;

 	QLabel *_fileNameLabel;
@ -96,7 +114,7 @@ private:

 	ElevationGraph *_elevationGraph;
 	SpeedGraph *_speedGraph;
-	Track *_track;
+	TrackView *_track;

 	POI _poi;
 	QList<Map*> _maps;
@ -108,6 +126,7 @@ private:

 	qreal _distance;
 	qreal _time;
+	int _trackCount;
 };

 #endif // GUI_H
--- a/src/icons.h
+++ b/src/icons.h
@ -12,6 +12,10 @@
 #define SHOW_MAP_ICON    ":/icons/applications-internet.png"
 #define QUIT_ICON        ":/icons/application-exit.png"
 #define RELOAD_FILE_ICON ":/icons/view-refresh.png"
+#define NEXT_FILE_ICON   ":/icons/arrow-right.png"
+#define PREV_FILE_ICON   ":/icons/arrow-left.png"
+#define LAST_FILE_ICON   ":/icons/arrow-right-double.png"
+#define FIRST_FILE_ICON  ":/icons/arrow-left-double.png"

 #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
 #define QT_ICON          ":/trolltech/qmessagebox/images/qtlogo-64.png"
--- a/src/infoitem.cpp
+++ b/src/infoitem.cpp
@ -3,7 +3,6 @@
 #include "config.h"
 #include "infoitem.h"

-
 #define PADDING     10

 InfoItem::InfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
@ -11,24 +10,21 @@ InfoItem::InfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)

 }

-QRectF InfoItem::boundingRect() const
+void InfoItem::updateBoundingRect()
 {
 	QFont font;
 	font.setPixelSize(FONT_SIZE);
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
 	QList<KV>::const_iterator i;
-	int width = 0;
-
-	if (_list.isEmpty())
-		return QRectF();
+	qreal width = 0;

 	for (i = _list.constBegin(); i != _list.constEnd(); i++) {
 		width += fm.width(i->key + ": ");
 		width += fm.width(i->value) + ((i == _list.end() - 1) ? 0 : PADDING);
 	}

-	return QRectF(0, 0, width, fm.height());
+	_boundingRect = QRectF(0, 0, width, _list.isEmpty() ? 0 : fm.height());
 }

 void InfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@ -74,5 +70,13 @@ void InfoItem::insert(const QString &key, const QString &value)
 	else
 		_list[i] = kv;

+	updateBoundingRect();
+	prepareGeometryChange();
+}
+
+void InfoItem::clear()
+{
+	_list.clear();
+	updateBoundingRect();
 	prepareGeometryChange();
 }
--- a/src/infoitem.h
+++ b/src/infoitem.h
@ -9,14 +9,16 @@ class InfoItem : public QGraphicsItem
 public:
 	InfoItem(QGraphicsItem *parent = 0);

-	QRectF boundingRect() const;
+	QRectF boundingRect() const {return _boundingRect;}
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);

 	void insert(const QString &key, const QString &value);
-	void clear() {_list.clear();}
+	void clear();

 private:
+	void updateBoundingRect();
+
 	class KV {
 	public:
 		QString key;
@ -29,6 +31,7 @@ private:
 	};

 	QList<KV> _list;
+	QRectF _boundingRect;
 };

 #endif // INFOITEM_H
--- a/src/keys.h
+++ b/src/keys.h
@ -3,6 +3,8 @@

 #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

 #endif // KEYS_H
--- a/src/ll.cpp
+++ b/src/ll.cpp
@ -68,3 +68,9 @@ int scale2zoom(qreal scale)
 		return ZOOM_MAX;
 	return zoom;
 }
+
+qreal zoom2resolution(int zoom, qreal y)
+{
+	return (WGS84_RADIUS * 2 * M_PI / 256 * cos(2 * atan(exp(deg2rad(y)))
+	  - M_PI/2)) / pow(2.0, zoom);
+}
--- a/src/ll.h
+++ b/src/ll.h
@ -12,5 +12,6 @@ qreal llDistance(const QPointF &p1, const QPointF &p2);
 QPoint mercator2tile(const QPointF &m, int zoom);
 QPointF tile2mercator(const QPoint &tile, int zoom);
 int scale2zoom(qreal scale);
+qreal zoom2resolution(int zoom, qreal y);

 #endif // LL_H
--- a/src/map.cpp
+++ b/src/map.cpp
@ -6,7 +6,8 @@
 #include "map.h"


-Map::Map(const QString &name, const QString &url)
+Map::Map(QObject *parent, const QString &name, const QString &url)
+  : QObject(parent)
 {
 	_name = name;
 	_url = url;
@ -14,10 +15,9 @@ Map::Map(const QString &name, const QString &url)
 	connect(&Downloader::instance(), SIGNAL(finished()), this,
 	  SLOT(emitLoaded()));

-	if (!QDir::home().mkpath(QString(TILES_DIR"/%1").arg(_name)))
-		fprintf(stderr, "Error creating tiles dir: %s\n",
-		  qPrintable(QDir::home().absolutePath() + QString("/"TILES_DIR"/%1")
-			.arg(_name)));
+	QString path = QString(TILES_DIR"/") + _name;
+	if (!QDir::home().mkpath(path))
+		fprintf(stderr, "Error creating tiles dir: %s\n", qPrintable(path));
 }

 void Map::emitLoaded()
@ -31,7 +31,7 @@ void Map::loadTiles(QList<Tile> &list)

 	for (int i = 0; i < list.size(); ++i) {
 		Tile &t = list[i];
-		QString file = QString("%1/"TILES_DIR"/%2/%3-%4-%5")
+		QString file = QString("%1/" TILES_DIR "/%2/%3-%4-%5")
 		  .arg(QDir::homePath()).arg(_name).arg(t.zoom()).arg(t.xy().rx())
 		  .arg(t.xy().ry());
 		QFileInfo fi(file);
--- a/src/map.h
+++ b/src/map.h
@ -2,8 +2,6 @@
 #define MAP_H

 #include <QPixmap>
-#include "downloader.h"
-

 class Tile
 {
@ -30,9 +28,10 @@ signals:
 	void loaded();

 public:
-	Map(const QString &name, const QString &url);
+	Map(QObject *parent = 0, const QString &name = QString(),
+	  const QString &url = QString());

-	const QString &name() {return _name;}
+	const QString &name() const {return _name;}
 	void loadTiles(QList<Tile> &list);

 private slots:
--- a/src/maplist.cpp
+++ b/src/maplist.cpp
@ -1,9 +1,10 @@
 #include <QFile>
 #include <QFileInfo>
+#include "map.h"
 #include "maplist.h"


-QList<Map*> MapList::load(const QString &fileName)
+QList<Map*> MapList::load(QObject *parent, const QString &fileName)
 {
 	QList<Map*> mapList;
 	QFileInfo fi(fileName);
@ -32,7 +33,7 @@ QList<Map*> MapList::load(const QString &fileName)
 		QByteArray ba1 = list[0].trimmed();
 		QByteArray ba2 = list[1].trimmed();

-		mapList.append(new Map(QString::fromUtf8(ba1.data(), ba1.size()),
+		mapList.append(new Map(parent, QString::fromUtf8(ba1.data(), ba1.size()),
 		  QString::fromLatin1(ba2.data(), ba2.size())));
 	}

--- a/src/maplist.h
+++ b/src/maplist.h
@ -2,13 +2,16 @@
 #define MAPLIST_H

 #include <QList>
-#include "map.h"
+#include <QString>
+#include <QObject>

+class Map;

 class MapList
 {
 public:
-	static QList<Map*> load(const QString &fileName);
+	static QList<Map*> load(QObject *parent = 0,
+	  const QString &fileName = QString());
 };

 #endif // MAPLIST_H
--- a/src/nicenum.cpp
+++ b/src/nicenum.cpp
@ -0,0 +1,34 @@
+#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);
+}
--- a/src/nicenum.h
+++ b/src/nicenum.h
@ -0,0 +1,6 @@
+#ifndef NICENUM_H
+#define NICENUM_H
+
+double niceNum(double x, int round);
+
+#endif // NICENUM_H
--- a/src/parser.cpp
+++ b/src/parser.cpp
@ -1,96 +1,118 @@
 #include "parser.h"


-void Parser::handleExtensionData(QVector<TrackPoint> &data,
-  QStringRef element, const QString &value)
+void Parser::handleExtensionData(QStringRef element, const QString &value)
 {
 	if (element == "speed")
-		data.last().speed = value.toDouble();
+		_track->last().speed = value.toDouble();
 }

-void Parser::handleTrekPointData(QVector<TrackPoint> &data,
-  QStringRef element, const QString &value)
+void Parser::handleTrekPointData(QStringRef element, const QString &value)
 {
 	if (element == "ele")
-		data.last().elevation = value.toLatin1().toDouble();
+		_track->last().elevation = value.toLatin1().toDouble();
 	if (element == "time")
-		data.last().timestamp = QDateTime::fromString(value.toLatin1(),
+		_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
 		  Qt::ISODate);
 	if (element == "geoidheight")
-		data.last().geoidheight = value.toLatin1().toDouble();
+		_track->last().geoidheight = value.toLatin1().toDouble();
 }

-void Parser::handleTrekPointAttributes(QVector<TrackPoint> &data,
-  const QXmlStreamAttributes &attr)
+void Parser::handleWayPointData(QStringRef element, const QString &value)
 {
-	data.last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
-	data.last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
+	if (element == "name")
+		_waypoints.last().setDescription(value);
 }

+void Parser::handleTrekPointAttributes(const QXmlStreamAttributes &attr)
+{
+	_track->last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
+	_track->last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
+}

-void Parser::extensions(QVector<TrackPoint> &data)
+void Parser::handleWayPointAttributes(const QXmlStreamAttributes &attr)
+{
+	_waypoints.last().setCoordinates(QPointF(
+	  attr.value("lon").toLatin1().toDouble(),
+	  attr.value("lat").toLatin1().toDouble()));
+}
+
+void Parser::extensions()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "speed")
-			handleExtensionData(data, _reader.name(), _reader.readElementText());
+			handleExtensionData(_reader.name(), _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
 }

-void Parser::trekPointData(QVector<TrackPoint> &data)
+void Parser::trackPointData()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "ele" || _reader.name() == "time"
 		  || _reader.name() == "geoidheight")
-			handleTrekPointData(data, _reader.name(), _reader.readElementText());
+			handleTrekPointData(_reader.name(), _reader.readElementText());
 		else if (_reader.name() == "extensions")
-			extensions(data);
+			extensions();
 		else
 			_reader.skipCurrentElement();
 	}
 }

-void Parser::trekPoints(QVector<TrackPoint> &data)
+void Parser::trackPoints()
 {
-	QXmlStreamAttributes attr;
-
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkpt") {
-			attr = _reader.attributes();
-			data.append(TrackPoint());
-			handleTrekPointAttributes(data, attr);
-			trekPointData(data);
+			_track->append(TrackPoint());
+			handleTrekPointAttributes(_reader.attributes());
+			trackPointData();
 		} else
 			_reader.skipCurrentElement();
 	}
 }

-void Parser::trek(QVector<TrackPoint> &data)
+void Parser::track()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkseg") {
-			trekPoints(data);
+			trackPoints();
 		} else
 			_reader.skipCurrentElement();
 	}
 }

-void Parser::gpx(QVector<TrackPoint> &data)
+void Parser::wayPointData()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "trk")
-			trek(data);
+		if (_reader.name() == "name")
+			handleWayPointData(_reader.name(), _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
 }

-bool Parser::parse(QVector<TrackPoint> &data)
+void Parser::gpx()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trk") {
+			_tracks.append(QVector<TrackPoint>());
+			_track = &_tracks.back();
+			track();
+		} else if (_reader.name() == "wpt") {
+			_waypoints.append(WayPoint());
+			handleWayPointAttributes(_reader.attributes());
+			wayPointData();
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+bool Parser::parse()
 {
 	if (_reader.readNextStartElement()) {
 		if (_reader.name() == "gpx")
-			gpx(data);
+			gpx();
 		else
 			_reader.raiseError("Not a GPX file.");
 	}
@ -98,10 +120,10 @@ bool Parser::parse(QVector<TrackPoint> &data)
 	return !_reader.error();
 }

-bool Parser::loadFile(QIODevice *device, QVector<TrackPoint> &data)
+bool Parser::loadFile(QIODevice *device)
 {
 	_reader.clear();
 	_reader.setDevice(device);

-	return parse(data);
+	return parse();
 }
--- a/src/parser.h
+++ b/src/parser.h
@ -2,43 +2,40 @@
 #define PARSER_H

 #include <QXmlStreamReader>
-#include <QDateTime>
-#include <QPointF>
+#include <QVector>
+#include <QList>
+#include "trackpoint.h"
+#include "waypoint.h"

-struct TrackPoint
-{
-	QPointF coordinates;
-	QDateTime timestamp;
-	qreal elevation;
-	qreal geoidheight;
-	qreal speed;
-
-	TrackPoint() {elevation = 0; geoidheight = 0; speed = -1;}
-};

 class Parser
 {
 public:
-	bool loadFile(QIODevice *device, QVector<TrackPoint> &data);
+	Parser(QList<QVector<TrackPoint> > &tracks, QList<WayPoint> &waypoints)
+	  : _tracks(tracks), _waypoints(waypoints) {_track = 0;}
+	bool loadFile(QIODevice *device);
 	QString errorString() const {return _reader.errorString();}
 	int errorLine() const {return _reader.lineNumber();}

 private:
-	bool parse(QVector<TrackPoint> &data);
-	void gpx(QVector<TrackPoint> &data);
-	void trek(QVector<TrackPoint> &data);
-	void trekPoints(QVector<TrackPoint> &data);
-	void extensions(QVector<TrackPoint> &data);
-	void trekPointData(QVector<TrackPoint> &data);
+	bool parse();
+	void gpx();
+	void track();
+	void trackPoints();
+	void extensions();
+	void trackPointData();
+	void wayPointData();

-	void handleTrekPointAttributes(QVector<TrackPoint> &data,
-	  const QXmlStreamAttributes &attr);
-	void handleTrekPointData(QVector<TrackPoint> &data, QStringRef element,
-	  const QString &value);
-	void handleExtensionData(QVector<TrackPoint> &data, QStringRef element,
-	  const QString &value);
+	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);

 	QXmlStreamReader _reader;
+	QList<QVector<TrackPoint> > &_tracks;
+	QList<WayPoint> &_waypoints;
+	QVector<TrackPoint> *_track;
 };

 #endif // PARSER_H
--- a/src/poi.cpp
+++ b/src/poi.cpp
@ -2,6 +2,7 @@
 #include <QSet>
 #include <QList>
 #include "ll.h"
+#include "gpx.h"
 #include "poi.h"


@ -9,13 +10,67 @@

 bool POI::loadFile(const QString &fileName)
 {
-	QFile file(fileName);
-	bool ret;
-	int ln = 1, cnt = _data.size();
+	QString error;
+	int errorLine;

 	_error.clear();
 	_errorLine = 0;

+
+	if (loadCSVFile(fileName))
+		return true;
+	else {
+		error = _error;
+		errorLine = _errorLine;
+	}
+	if (loadGPXFile(fileName))
+		return true;
+
+	fprintf(stderr, "Error loading POI file: %s:\n", qPrintable(fileName));
+	fprintf(stderr, "CSV: line %d: %s\n", errorLine, qPrintable(error));
+	fprintf(stderr, "GPX: line %d: %s\n", _errorLine, qPrintable(_error));
+
+	if (errorLine > _errorLine) {
+		_errorLine = errorLine;
+		_error = error;
+	}
+
+	return false;
+}
+
+bool POI::loadGPXFile(const QString &fileName)
+{
+	GPX gpx;
+	int cnt = _data.size();
+
+	if (gpx.loadFile(fileName)) {
+		for (int i = 0; i < gpx.waypoints().size(); i++)
+			_data.append(WayPoint(
+			  ll2mercator(gpx.waypoints().at(i).coordinates()),
+			  gpx.waypoints().at(i).description()));
+
+		for (int i = cnt; i < _data.size(); ++i) {
+			qreal c[2];
+			c[0] = _data.at(i).coordinates().x();
+			c[1] = _data.at(i).coordinates().y();
+			_tree.Insert(c, c, i);
+		}
+
+		return true;
+	} else {
+		_error = gpx.errorString();
+		_errorLine = gpx.errorLine();
+	}
+
+	return false;
+}
+
+bool POI::loadCSVFile(const QString &fileName)
+{
+	QFile file(fileName);
+	bool ret;
+	int ln = 1, cnt = _data.size();
+
 	if (!file.open(QFile::ReadOnly | QFile::Text)) {
 		_error = qPrintable(file.errorString());
 		return false;
@ -44,18 +99,15 @@ bool POI::loadFile(const QString &fileName)
 		}
 		QByteArray ba = list[2].trimmed();

-		Entry entry;
-		entry.description = QString::fromUtf8(ba.data(), ba.size());
-		entry.coordinates = ll2mercator(QPointF(lon, lat));
-
-		_data.append(entry);
+		_data.append(WayPoint(ll2mercator(QPointF(lon, lat)),
+		  QString::fromUtf8(ba.data(), ba.size())));
 		ln++;
 	}

 	for (int i = cnt; i < _data.size(); ++i) {
 		qreal c[2];
-		c[0] = _data.at(i).coordinates.x();
-		c[1] = _data.at(i).coordinates.y();
+		c[0] = _data.at(i).coordinates().x();
+		c[1] = _data.at(i).coordinates().y();
 		_tree.Insert(c, c, i);
 	}

@ -70,9 +122,9 @@ static bool cb(size_t data, void* context)
 	return true;
 }

-QVector<Entry> POI::points(const QVector<QPointF> &path) const
+QVector<WayPoint> POI::points(const QVector<QPointF> &path) const
 {
-	QVector<Entry> ret;
+	QVector<WayPoint> ret;
 	QSet<int> set;
 	qreal min[2], max[2];

--- a/src/poi.h
+++ b/src/poi.h
@ -4,24 +4,9 @@
 #include <QVector>
 #include <QPointF>
 #include <QString>
+#include "waypoint.h"
 #include "rtree.h"

-class Entry
-{
-public:
-	QPointF coordinates;
-	QString description;
-
-	bool operator==(const Entry &other) const
-	  {return this->description == other.description
-	  && this->coordinates == other.coordinates;}
-};
-
-inline uint qHash(const Entry &key)
-{
-	return ::qHash(key.description);
-}
-

 class POI
 {
@ -30,15 +15,18 @@ public:
 	QString errorString() const {return _error;}
 	int errorLine() const {return _errorLine;}

-	QVector<Entry> points(const QVector<QPointF> &path) const;
+	QVector<WayPoint> points(const QVector<QPointF> &path) const;

 	void clear();

 private:
 	typedef RTree<size_t, qreal, 2> POITree;

+	bool loadCSVFile(const QString &fileName);
+	bool loadGPXFile(const QString &fileName);
+
 	POITree _tree;
-	QVector<Entry> _data;
+	QVector<WayPoint> _data;
 	QString _error;
 	int _errorLine;
 };
--- a/src/poiitem.cpp
+++ b/src/poiitem.cpp
@ -5,7 +5,7 @@

 #define POINT_SIZE  8

-POIItem::POIItem(const Entry &entry, QGraphicsItem *parent)
+POIItem::POIItem(const WayPoint &entry, QGraphicsItem *parent)
  : QGraphicsItem(parent)
 {
 	_entry = entry;
@ -18,7 +18,7 @@ void POIItem::updateBoundingRect()
 	font.setPixelSize(FONT_SIZE);
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description);
+	QRect ts = fm.tightBoundingRect(_entry.description());

 	_boundingRect = QRectF(0, 0, ts.width() + POINT_SIZE,
 	  ts.height() + fm.descent() + POINT_SIZE);
@ -33,11 +33,11 @@ void POIItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	font.setPixelSize(FONT_SIZE);
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description);
+	QRect ts = fm.tightBoundingRect(_entry.description());

 	painter->setFont(font);
 	painter->drawText(POINT_SIZE - qMax(ts.x(), 0), POINT_SIZE + ts.height(),
-	  _entry.description);
+	  _entry.description());
 	painter->setBrush(Qt::SolidPattern);
 	painter->drawEllipse(0, 0, POINT_SIZE, POINT_SIZE);

--- a/src/poiitem.h
+++ b/src/poiitem.h
@ -2,13 +2,13 @@
 #define POIITEM_H

 #include <QGraphicsItem>
-#include "poi.h"
+#include "waypoint.h"

 class POIItem : public QGraphicsItem
 {
 public:
-	POIItem(const Entry &entry, QGraphicsItem *parent = 0);
-	const Entry &entry() const {return _entry;}
+	POIItem(const WayPoint &entry, QGraphicsItem *parent = 0);
+	const WayPoint &entry() const {return _entry;}

 	QRectF boundingRect() const {return _boundingRect;}
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@ -17,7 +17,7 @@ public:
 private:
 	void updateBoundingRect();

-	Entry _entry;
+	WayPoint _entry;
 	QRectF _boundingRect;
 };

--- a/src/rtree.h
+++ b/src/rtree.h
--- a/src/scaleitem.cpp
+++ b/src/scaleitem.cpp
@ -0,0 +1,129 @@
+#include <QPainter>
+#include "config.h"
+#include "ll.h"
+#include "nicenum.h"
+#include "scaleitem.h"
+
+
+#define SCALE_WIDTH  132
+#define SCALE_HEIGHT 5
+#define SEGMENTS 3
+
+#define PADDING 4
+
+
+ScaleItem::ScaleItem(QGraphicsItem *parent) : QGraphicsItem(parent)
+{
+	_units = Metric;
+	_zoom = ZOOM_MIN;
+	_lat = 0;
+}
+
+void ScaleItem::updateBoundingRect()
+{
+	QFont font;
+	font.setPixelSize(FONT_SIZE);
+	font.setFamily(FONT_FAMILY);
+	QFontMetrics fm(font);
+	QRect ss, es, us;
+
+	ss = fm.tightBoundingRect(QString::number(0));
+	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());
+}
+
+void ScaleItem::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 br;
+
+	painter->setFont(font);
+
+	for (int i = 0; i <= SEGMENTS; i++) {
+		QString label = QString::number(_length * i);
+		br = fm.tightBoundingRect(label);
+		painter->drawText(_width * i - br.width()/2, br.height(), label);
+	}
+	painter->drawText(_width * SEGMENTS + PADDING, SCALE_HEIGHT + PADDING
+	  + br.height() + fm.descent(), units());
+
+	painter->drawRect(QRectF(0, br.height() + PADDING, SEGMENTS * _width,
+	  SCALE_HEIGHT));
+	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());
+*/
+}
+
+QString ScaleItem::units() const
+{
+	if (_units == Imperial)
+		return _scale ? QObject::tr("mi") : QObject::tr("ft");
+	else
+		return _scale ? QObject::tr("km") : QObject::tr("m");
+}
+
+void ScaleItem::computeScale()
+{
+	qreal res = zoom2resolution(_zoom, _lat);
+
+	if (_units == Imperial) {
+		_length = niceNum((res * M2FT * SCALE_WIDTH) / SEGMENTS, 1);
+		if (_length >= MIINFT) {
+			_length = niceNum((res * M2FT * FT2MI * SCALE_WIDTH) / SEGMENTS, 1);
+			_width = (_length / (res * M2FT * FT2MI));
+			_scale = true;
+		} else {
+			_width = (_length / (res * M2FT));
+			_scale = false;
+		}
+	} else {
+		_length = niceNum((res * SCALE_WIDTH) / SEGMENTS, 1);
+		if (_length >= KMINM) {
+			_length *= M2KM;
+			_width = (_length / (res * M2KM));
+			_scale = true;
+		} else {
+			_width = (_length / res);
+			_scale = false;
+		}
+	}
+}
+
+void ScaleItem::setLatitude(qreal lat)
+{
+	_lat = lat;
+	computeScale();
+	updateBoundingRect();
+	prepareGeometryChange();
+}
+
+void ScaleItem::setZoom(int z)
+{
+	_zoom = z;
+	computeScale();
+	updateBoundingRect();
+	prepareGeometryChange();
+}
+
+void ScaleItem::setUnits(enum Units units)
+{
+	_units = units;
+	computeScale();
+	updateBoundingRect();
+	prepareGeometryChange();
+}
--- a/src/scaleitem.h
+++ b/src/scaleitem.h
@ -0,0 +1,35 @@
+#ifndef SCALEITEM_H
+#define SCALEITEM_H
+
+#include <QGraphicsItem>
+#include "units.h"
+
+class ScaleItem : public QGraphicsItem
+{
+public:
+	ScaleItem(QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const {return _boundingRect;}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	void setLatitude(qreal lat);
+	void setZoom(int z);
+	void setUnits(enum Units units);
+
+private:
+	void updateBoundingRect();
+	void computeScale();
+	QString units() const;
+
+	int _zoom;
+	qreal _lat;
+	qreal _width;
+	qreal _length;
+	Units _units;
+	bool _scale;
+
+	QRectF _boundingRect;
+};
+
+#endif // SCALEITEM_H
--- a/src/slideritem.cpp
+++ b/src/slideritem.cpp
@ -46,3 +46,9 @@ QVariant SliderItem::itemChange(GraphicsItemChange change, const QVariant &value

 	return QGraphicsItem::itemChange(change, value);
 }
+
+void SliderItem::clear()
+{
+	_area = QRectF();
+	setPos(QPointF());
+}
--- a/src/slideritem.h
+++ b/src/slideritem.h
@ -17,6 +17,8 @@ public:
 	QRectF area() {return _area;}
 	void setArea(const QRectF &area) {_area = area;}

+	void clear();
+
 signals:
 	void positionChanged(const QPointF&);

--- a/src/speedgraph.cpp
+++ b/src/speedgraph.cpp
@ -1,43 +1,49 @@
 #include "config.h"
+#include "gpx.h"
 #include "speedgraph.h"


-SpeedGraph::SpeedGraph(QWidget *parent) : Graph(parent)
+SpeedGraph::SpeedGraph(QWidget *parent) : GraphView(parent)
 {
 	_max = 0;

-	Graph::setXLabel(tr("Distance"));
-	Graph::setYLabel(tr("Speed"));
-	Graph::setXUnits(tr("km"));
-	Graph::setYUnits(tr("km/h"));
-	Graph::setXScale(0.001);
-	Graph::setYScale(3.6);
-	Graph::setPrecision(1);
+	GraphView::setXLabel(tr("Distance"));
+	GraphView::setYLabel(tr("Speed"));
+	GraphView::setXUnits(tr("km"));
+	GraphView::setYUnits(tr("km/h"));
+	GraphView::setXScale(M2KM);
+	GraphView::setYScale(MS2KMH);
+	GraphView::setPrecision(1);
+}
+
+void SpeedGraph::addInfo()
+{
+	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);
 }

 void SpeedGraph::loadGPX(const GPX &gpx)
 {
-	QVector<QPointF> data;
-	qreal max = 0;
+	for (int i = 0; i < gpx.trackCount(); i++) {
+		QVector<QPointF> data;
+		qreal max = 0;

+		gpx.track(i).speedGraph(data);
+		if (data.isEmpty())
+			return;

-	gpx.speedGraph(data);
-	if (data.isEmpty())
-		return;
+		_avg.append(QPointF(gpx.track(i).distance(), gpx.track(i).distance()
+		  / gpx.track(i).time()));

-	_avg.append(QPointF(gpx.distance(), gpx.distance() / gpx.time()));
+		for (int i = 0; i < data.size(); i++)
+			max = qMax(max, data.at(i).y());
+		_max = qMax(_max, max);

-	for (int i = 0; i < data.size(); i++)
-		max = qMax(max, data.at(i).y());
-	_max = qMax(_max, max);
-
-
-	addInfo(tr("Average"), QString::number(avg() * _yScale, 'f', 1)
-	  + THIN_SPACE + _yUnits);
-	addInfo(tr("Maximum"), QString::number(_max * _yScale,  'f', 1)
-	  + THIN_SPACE + _yUnits);
-
-	Graph::loadData(data);
+		addInfo();
+		loadData(data);
+	}
 }

 qreal SpeedGraph::avg() const
@ -58,5 +64,25 @@ void SpeedGraph::clear()
 	_max = 0;
 	_avg.clear();

-	Graph::clear();
+	GraphView::clear();
+}
+
+void SpeedGraph::setUnits(enum Units units)
+{
+	if (units == Metric) {
+		GraphView::setXUnits(tr("km"));
+		GraphView::setYUnits(tr("km/h"));
+		GraphView::setXScale(M2KM);
+		GraphView::setYScale(MS2KMH);
+	} else {
+		GraphView::setXUnits(tr("mi"));
+		GraphView::setYUnits(tr("mi/h"));
+		GraphView::setXScale(M2MI);
+		GraphView::setYScale(MS2MIH);
+	}
+
+	clearInfo();
+	addInfo();
+
+	redraw();
 }
--- a/src/speedgraph.h
+++ b/src/speedgraph.h
@ -2,10 +2,12 @@
 #define SPEEDGRAPH_H

 #include <QList>
-#include "graph.h"
-#include "gpx.h"
+#include "graphview.h"
+#include "units.h"

-class SpeedGraph : public Graph
+class GPX;
+
+class SpeedGraph : public GraphView
 {
 	Q_OBJECT

@ -14,11 +16,14 @@ public:

 	void loadGPX(const GPX &gpx);
 	void clear();
+	void setUnits(enum Units units);

 	qreal avg() const;
 	qreal max() const {return _max;}

 private:
+	void addInfo();
+
 	qreal _max;
 	QList<QPointF> _avg;
 };
--- a/src/track.cpp
+++ b/src/track.cpp
@ -1,338 +1,155 @@
-#include <cmath>
-#include <QGraphicsView>
-#include <QGraphicsScene>
-#include <QPainterPath>
-#include <QWheelEvent>
-#include "poiitem.h"
-#include "markeritem.h"
 #include "ll.h"
 #include "track.h"

+#define WINDOW_EF 3
+#define WINDOW_SE 11
+#define WINDOW_SF 11

-#define MARGIN 10.0
-#define TRACK_WIDTH 3
-
-Track::Track(QWidget *parent)
-	: QGraphicsView(parent)
+static bool lt(const QPointF &p1, const QPointF &p2)
 {
-	_scene = new QGraphicsScene(this);
-	setScene(_scene);
-	setCacheMode(QGraphicsView::CacheBackground);
-	setDragMode(QGraphicsView::ScrollHandDrag);
-	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-
-	_zoom = -1;
-	_scale = 1.0;
-	_map = 0;
-	_maxLen = 0;
+	return p1.y() < p2.y();
 }

-Track::~Track()
+static qreal median(QVector<QPointF> v)
 {
-	delete _scene;
+	qSort(v.begin(), v.end(), lt);
+	return v.at(v.size() / 2).y();
 }

-void Track::loadGPX(const GPX &gpx)
+static qreal MAD(QVector<QPointF> v, qreal m)
 {
-	QVector<QPointF> track;
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-	MarkerItem *mi;
-	QColor color = _colorShop.color();
-	qreal prevScale = _scale;
+	for (int i = 0; i < v.size(); i++)
+		v[i].setY(qAbs(v.at(i).y() - m));
+	qSort(v.begin(), v.end(), lt);
+	return v.at(v.size() / 2).y();
+}
+
+static QVector<QPointF> eliminate(const QVector<QPointF> &v, int window)
+{
+	QList<int> rm;
+	QVector<QPointF> ret;
+	qreal m, M;


-	gpx.track(track);
+	if (v.size() < window)
+		return QVector<QPointF>(v);

-	if (track.size() < 2)
+	for (int i = window/2; i < v.size() - window/2; i++) {
+		m = median(v.mid(i - window/2, window));
+		M = MAD(v.mid(i - window/2, window), m);
+		if (qAbs((0.6745 * (v.at(i).y() - m)) / M) > 3.5)
+			rm.append(i);
+	}
+
+	QList<int>::const_iterator it = rm.begin();
+	for (int i = 0; i < v.size(); i++) {
+		if (it == rm.end() || *it != i)
+			ret.append(v.at(i));
+		else
+			it++;
+	}
+
+	return ret;
+}
+
+static QVector<QPointF> filter(const QVector<QPointF> &v, int window)
+{
+	qreal acc = 0;
+	QVector<QPointF> ret;
+
+	if (v.size() < window)
+		return QVector<QPointF>(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));
+
+	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));
+	}
+
+	for (int i = v.size() - window/2; i < v.size(); i++)
+		ret.append(QPointF(v.at(i).x(), acc/window));
+
+	return ret;
+}
+
+void Track::elevationGraph(QVector<QPointF> &graph) const
+{
+	qreal dist = 0;
+	QVector<QPointF> raw;
+
+	if (!_data.size())
 		return;

-	_tracks.append(track);
-
-	path.moveTo(track.at(0).x(), -track.at(0).y());
-	for (int i = 1; i < track.size(); i++)
-		path.lineTo(track.at(i).x(), -track.at(i).y());
-
-	_maxLen = qMax(path.length(), _maxLen);
-
-
-	pi = new QGraphicsPathItem(path);
-	_trackPaths.append(pi);
-	_zoom = scale2zoom(trackScale());
-	_scale = mapScale();
-	QBrush brush(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);
-
-	if (_trackPaths.size() > 1 && prevScale != _scale)
-		rescale(_scale);
-
-	QRectF br = trackBoundingRect();
-	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
-	_scene->setSceneRect(ba);
-	centerOn(ba.center());
-}
-
-QRectF Track::trackBoundingRect() const
-{
-	qreal bottom, top, left, right;
-
-	bottom = _trackPaths.at(0)->sceneBoundingRect().bottom();
-	top = _trackPaths.at(0)->sceneBoundingRect().top();
-	left = _trackPaths.at(0)->sceneBoundingRect().left();
-	right = _trackPaths.at(0)->sceneBoundingRect().right();
-
-	for (int i = 1; i < _trackPaths.size(); i++) {
-		bottom = qMax(bottom, _trackPaths.at(i)->sceneBoundingRect().bottom());
-		top = qMin(top, _trackPaths.at(i)->sceneBoundingRect().top());
-		right = qMax(right, _trackPaths.at(i)->sceneBoundingRect().right());
-		left = qMin(left, _trackPaths.at(i)->sceneBoundingRect().left());
+	raw.append(QPointF(0, _data.at(0).elevation));
+	for (int i = 1; i < _data.size(); i++) {
+		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
+		raw.append(QPointF(dist,  _data.at(i).elevation
+		  - _data.at(i).geoidheight));
 	}

-	return QRectF(QPointF(left, top), QPointF(right, bottom));
+	graph = filter(raw, WINDOW_EF);
 }

-qreal Track::trackScale() const
+void Track::speedGraph(QVector<QPointF> &graph) const
 {
-	qreal bottom, top, left, right;
+	qreal dist = 0, v, ds, dt;
+	QVector<QPointF> raw;

-	bottom = _trackPaths.at(0)->path().boundingRect().bottom();
-	top = _trackPaths.at(0)->path().boundingRect().top();
-	left = _trackPaths.at(0)->path().boundingRect().left();
-	right = _trackPaths.at(0)->path().boundingRect().right();
-
-	for (int i = 1; i < _trackPaths.size(); i++) {
-		bottom = qMax(bottom, _trackPaths.at(i)->path().boundingRect().bottom());
-		top = qMin(top, _trackPaths.at(i)->path().boundingRect().top());
-		right = qMax(right, _trackPaths.at(i)->path().boundingRect().right());
-		left = qMin(left, _trackPaths.at(i)->path().boundingRect().left());
-	}
-
-	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 Track::mapScale() const
-{
-	return ((360.0/(qreal)(1<<_zoom))/(qreal)TILE_SIZE);
-}
-
-void Track::rescale(qreal scale)
-{
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		_markers.at(i)->setScale(scale);
-		_trackPaths.at(i)->setScale(1.0/scale);
-
-		QPen pen(_trackPaths.at(i)->pen());
-		pen.setWidthF(TRACK_WIDTH * scale);
-		_trackPaths.at(i)->setPen(pen);
-	}
-
-	QHash<Entry, POIItem*>::const_iterator it, jt;
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		it.value()->setPos(QPointF(it.value()->entry().coordinates.x()
-		  * 1.0/scale, -it.value()->entry().coordinates.y() * 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 Track::loadPOI(const POI &poi)
-{
-	QHash<Entry, POIItem*>::const_iterator it,jt;
-
-	if (!_tracks.size())
+	if (!_data.size())
 		return;

-	for (int i = 0; i < _tracks.size(); i++) {
-		QVector<Entry> p = poi.points(_tracks.at(i));
+	raw.append(QPointF(0, 0));
+	for (int i = 1; i < _data.size(); i++) {
+		ds = llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
+		dt = _data.at(i-1).timestamp.msecsTo(_data.at(i).timestamp) / 1000.0;
+		dist += ds;

-		for (int i = 0; i < p.size(); i++) {
-			if (_pois.contains(p.at(i)))
+		if (_data.at(i).speed < 0) {
+			if (dt == 0)
 				continue;
+			v = ds / dt;
+		} else
+			v = _data.at(i).speed;

-			POIItem *pi = new POIItem(p.at(i));
-			pi->setPos(p.at(i).coordinates.x() * 1.0/_scale,
-			  -p.at(i).coordinates.y() * 1.0/_scale);
-			pi->setZValue(1);
-			_scene->addItem(pi);
-
-			_pois.insert(p.at(i), pi);
-		}
+		raw.append(QPointF(dist, v));
 	}

-	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();
-		}
-	}
+	graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
 }

-void Track::setMap(Map *map)
+void Track::track(QVector<QPointF> &track) const
 {
-	_map = map;
-	if (_map)
-		connect(_map, SIGNAL(loaded()), this, SLOT(redraw()));
-	resetCachedContent();
+	for (int i = 0; i < _data.size(); i++)
+		track.append(ll2mercator(_data.at(i).coordinates));
 }

-void Track::redraw()
+qreal Track::distance() const
 {
-	resetCachedContent();
+	qreal dist = 0;
+
+	for (int i = 1; i < _data.size(); i++)
+		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
+
+	return dist;
 }

-void Track::wheelEvent(QWheelEvent *event)
+qreal Track::time() const
 {
-	QPointF pos = mapToScene(event->pos());
-	qreal scale = _scale;
+	if (_data.size() < 2)
+		return 0;

-	_zoom = (event->delta() > 0) ?
-		qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
+	return (_data.at(0).timestamp.msecsTo(_data.at(_data.size() - 1).timestamp)
+	  / 1000.0);
+}

-	rescale(mapScale());
-	QRectF br = trackBoundingRect();
-	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());
+QDateTime Track::date() const
+{
+	if (_data.size())
+		return _data.at(0).timestamp;
 	else
-		centerOn(pos * scale/_scale);
-
-	resetCachedContent();
-}
-
-void Track::showMarkers(bool show)
-{
-	for (int i = 0; i < _markers.size(); i++)
-		_markers.at(i)->setVisible(show);
-}
-
-void Track::setTrackLineWidth(qreal width)
-{
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		QPen pen(_trackPaths.at(i)->pen());
-		pen.setWidthF(width);
-		_trackPaths.at(i)->setPen(pen);
-	}
-}
-
-void Track::plot(QPainter *painter, const QRectF &target)
-{
-	QRectF orig = _scene->itemsBoundingRect();
-	QRectF adj;
-	qreal ratio, diff;
-
-	if (target.width()/target.height() > orig.width()/orig.height()) {
-		ratio = target.width()/target.height();
-		diff = qAbs((orig.height() * ratio) - orig.width());
-		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
-	} else {
-		ratio = target.height()/target.width();
-		diff = fabs((orig.width() * ratio) - orig.height());
-		adj = orig.adjusted(0, -diff/2, 0, diff/2);
-	}
-
-	showMarkers(false);
-	setTrackLineWidth(0);
-	_scene->render(painter, target, adj, Qt::KeepAspectRatioByExpanding);
-	setTrackLineWidth(TRACK_WIDTH * _scale);
-	showMarkers(true);
-}
-
-enum QPrinter::Orientation Track::orientation() const
-{
-	return (sceneRect().width() > sceneRect().height())
-		? QPrinter::Landscape : QPrinter::Portrait;
-}
-
-void Track::clearPOI()
-{
-	QHash<Entry, POIItem*>::const_iterator it;
-
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		_scene->removeItem(it.value());
-		delete it.value();
-	}
-
-	_pois.clear();
-}
-
-void Track::clear()
-{
-	_pois.clear();
-	_tracks.clear();
-	_trackPaths.clear();
-	_markers.clear();
-	_scene->clear();
-	_colorShop.reset();
-
-	_maxLen = 0;
-
-	_scene->setSceneRect(0, 0, 0, 0);
-}
-
-void Track::movePositionMarker(qreal val)
-{
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		qreal f = _maxLen / _trackPaths.at(i)->path().length();
-		QPointF pos = _trackPaths.at(i)->path().pointAtPercent(qMin(val * f,
-		  1.0));
-		_markers.at(i)->setPos(pos);
-	}
-}
-
-void Track::drawBackground(QPainter *painter, const QRectF &rect)
-{
-	if (_tracks.isEmpty() || !_map) {
-		painter->fillRect(rect, Qt::white);
-		return;
-	}
-
-	painter->setWorldMatrixEnabled(false);
-
-	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 = mapFromScene(QPointF(tm.x() / _scale, -tm.y() / _scale));
-
-	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);
-
-	for (int i = 0; i < tiles.count(); i++) {
-		Tile &t = tiles[i];
-		QPoint tp(tl.x() + (t.xy().rx() - tile.rx()) * TILE_SIZE,
-		  tl.y() + (t.xy().ry() - tile.ry()) * TILE_SIZE);
-		painter->drawPixmap(tp, t.pixmap());
-	}
+		return QDateTime();
 }
--- a/src/track.h
+++ b/src/track.h
@ -1,69 +1,24 @@
 #ifndef TRACK_H
 #define TRACK_H

-#include <QGraphicsView>
 #include <QVector>
-#include <QHash>
-#include <QList>
-#include <QPrinter>
-#include "poi.h"
-#include "gpx.h"
-#include "map.h"
-#include "colorshop.h"
+#include <QDateTime>
+#include "trackpoint.h"

-
-class POIItem;
-class MarkerItem;
-
-class Track : public QGraphicsView
+class Track
 {
-	Q_OBJECT
-
 public:
-	Track(QWidget *parent = 0);
-	~Track();
+	Track(const QVector<TrackPoint> &data) : _data(data) {}

-	void loadGPX(const GPX &gpx);
-
-	void loadPOI(const POI &poi);
-	void clearPOI();
-	void clear();
-
-	void setMap(Map *map);
-
-	void plot(QPainter *painter, const QRectF &target);
-	enum QPrinter::Orientation orientation() const;
-
-public slots:
-	void movePositionMarker(qreal val);
-
-private slots:
-	void redraw();
+	void elevationGraph(QVector<QPointF> &graph) const;
+	void speedGraph(QVector<QPointF> &graph) const;
+	void track(QVector<QPointF> &track) const;
+	qreal distance() const;
+	qreal time() const;
+	QDateTime date() const;

 private:
-	QRectF trackBoundingRect() const;
-	qreal trackScale() const;
-	qreal mapScale() const;
-	void rescale(qreal scale);
-
-	void showMarkers(bool show);
-	void setTrackLineWidth(qreal width);
-
-	void wheelEvent(QWheelEvent *event);
-	void drawBackground(QPainter *painter, const QRectF &rect);
-
-	QGraphicsScene *_scene;
-	QList<QVector<QPointF> > _tracks;
-	QList<QGraphicsPathItem*> _trackPaths;
-	QList<MarkerItem*> _markers;
-	QHash<Entry, POIItem*> _pois;
-	Map *_map;
-
-	ColorShop _colorShop;
-	qreal _maxLen;
-
-	qreal _scale;
-	int _zoom;
+	const QVector<TrackPoint> &_data;
 };

 #endif // TRACK_H
--- a/src/trackpoint.h
+++ b/src/trackpoint.h
@ -0,0 +1,18 @@
+#ifndef TRACKPOINT_H
+#define TRACKPOINT_H
+
+#include <QPointF>
+#include <QDateTime>
+
+struct TrackPoint
+{
+	QPointF coordinates;
+	QDateTime timestamp;
+	qreal elevation;
+	qreal geoidheight;
+	qreal speed;
+
+	TrackPoint() {elevation = 0; geoidheight = 0; speed = -1;}
+};
+
+#endif // TRACKPOINT_H
--- a/src/trackview.cpp
+++ b/src/trackview.cpp
@ -0,0 +1,401 @@
+#include <cmath>
+#include <QGraphicsView>
+#include <QGraphicsScene>
+#include <QPainterPath>
+#include <QWheelEvent>
+#include "poi.h"
+#include "gpx.h"
+#include "map.h"
+#include "poiitem.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);
+
+	_mapScale = new ScaleItem();
+	_mapScale->setZValue(2.0);
+
+	_zoom = -1;
+	_scale = 1.0;
+	_map = 0;
+	_maxLen = 0;
+}
+
+TrackView::~TrackView()
+{
+	delete _scene;
+}
+
+void TrackView::loadGPX(const GPX &gpx)
+{
+	for (int i = 0; i < gpx.trackCount(); i++) {
+		QVector<QPointF> track;
+		QPainterPath path;
+		QGraphicsPathItem *pi;
+		MarkerItem *mi;
+		QColor color = _colorShop.color();
+		qreal prevScale = _scale;
+
+
+		gpx.track(i).track(track);
+
+		if (track.size() < 2)
+			continue;
+
+		_tracks.append(track);
+
+		path.moveTo(track.at(0).x(), -track.at(0).y());
+		for (int i = 1; i < track.size(); i++)
+			path.lineTo(track.at(i).x(), -track.at(i).y());
+
+		_maxLen = qMax(path.length(), _maxLen);
+
+
+		pi = new QGraphicsPathItem(path);
+		_trackPaths.append(pi);
+		_zoom = scale2zoom(trackScale());
+		_scale = mapScale();
+		QBrush brush(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);
+
+		if (_trackPaths.size() > 1 && prevScale != _scale)
+			rescale(_scale);
+
+		QRectF br = trackBoundingRect();
+		QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
+		_scene->setSceneRect(ba);
+		centerOn(ba.center());
+
+		if (_mapScale->scene() != _scene)
+			_scene->addItem(_mapScale);
+
+		_mapScale->setLatitude(track.at(track.size() / 2).y());
+		_mapScale->setZoom(_zoom);
+	}
+}
+
+QRectF TrackView::trackBoundingRect() const
+{
+	qreal bottom, top, left, right;
+
+	bottom = _trackPaths.at(0)->sceneBoundingRect().bottom();
+	top = _trackPaths.at(0)->sceneBoundingRect().top();
+	left = _trackPaths.at(0)->sceneBoundingRect().left();
+	right = _trackPaths.at(0)->sceneBoundingRect().right();
+
+	for (int i = 1; i < _trackPaths.size(); i++) {
+		bottom = qMax(bottom, _trackPaths.at(i)->sceneBoundingRect().bottom());
+		top = qMin(top, _trackPaths.at(i)->sceneBoundingRect().top());
+		right = qMax(right, _trackPaths.at(i)->sceneBoundingRect().right());
+		left = qMin(left, _trackPaths.at(i)->sceneBoundingRect().left());
+	}
+
+	return QRectF(QPointF(left, top), QPointF(right, bottom));
+}
+
+qreal TrackView::trackScale() const
+{
+	qreal bottom, top, left, right;
+
+	bottom = _trackPaths.at(0)->path().boundingRect().bottom();
+	top = _trackPaths.at(0)->path().boundingRect().top();
+	left = _trackPaths.at(0)->path().boundingRect().left();
+	right = _trackPaths.at(0)->path().boundingRect().right();
+
+	for (int i = 1; i < _trackPaths.size(); i++) {
+		bottom = qMax(bottom, _trackPaths.at(i)->path().boundingRect().bottom());
+		top = qMin(top, _trackPaths.at(i)->path().boundingRect().top());
+		right = qMax(right, _trackPaths.at(i)->path().boundingRect().right());
+		left = qMin(left, _trackPaths.at(i)->path().boundingRect().left());
+	}
+
+	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() const
+{
+	return ((360.0/(qreal)(1<<_zoom))/(qreal)TILE_SIZE);
+}
+
+void TrackView::rescale(qreal scale)
+{
+	for (int i = 0; i < _trackPaths.size(); i++) {
+		_markers.at(i)->setScale(scale);
+		_trackPaths.at(i)->setScale(1.0/scale);
+
+		QPen pen(_trackPaths.at(i)->pen());
+		pen.setWidthF(TRACK_WIDTH * scale);
+		_trackPaths.at(i)->setPen(pen);
+	}
+
+	QHash<WayPoint, POIItem*>::const_iterator it, jt;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
+		it.value()->setPos(QPointF(it.value()->entry().coordinates().x()
+		  * 1.0/scale, -it.value()->entry().coordinates().y() * 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::loadPOI(const POI &poi)
+{
+	QHash<WayPoint, POIItem*>::const_iterator it,jt;
+
+	if (!_tracks.size())
+		return;
+
+	for (int i = 0; i < _tracks.size(); i++) {
+		QVector<WayPoint> p = poi.points(_tracks.at(i));
+
+		for (int i = 0; i < p.size(); i++) {
+			if (_pois.contains(p.at(i)))
+				continue;
+
+			POIItem *pi = new POIItem(p.at(i));
+			pi->setPos(p.at(i).coordinates().x() * 1.0/_scale,
+			  -p.at(i).coordinates().y() * 1.0/_scale);
+			pi->setZValue(1);
+			_scene->addItem(pi);
+
+			_pois.insert(p.at(i), pi);
+		}
+	}
+
+	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()));
+	resetCachedContent();
+}
+
+void TrackView::setUnits(enum Units units)
+{
+	_mapScale->setUnits(units);
+}
+
+void TrackView::redraw()
+{
+	resetCachedContent();
+}
+
+void TrackView::wheelEvent(QWheelEvent *event)
+{
+	if (_tracks.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());
+	QRectF br = trackBoundingRect();
+	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::setTrackLineWidth(qreal width)
+{
+	for (int i = 0; i < _trackPaths.size(); i++) {
+		QPen pen(_trackPaths.at(i)->pen());
+		pen.setWidthF(width);
+		_trackPaths.at(i)->setPen(pen);
+	}
+}
+
+void TrackView::plot(QPainter *painter, const QRectF &target)
+{
+	QRectF orig, adj;
+	qreal ratio, diff;
+
+	_scene->removeItem(_mapScale);
+	orig = _scene->itemsBoundingRect().adjusted(0, 0, 0,
+	  _mapScale->boundingRect().height());
+	_scene->addItem(_mapScale);
+
+	if (target.width()/target.height() > orig.width()/orig.height()) {
+		ratio = target.width()/target.height();
+		diff = qAbs((orig.height() * ratio) - orig.width());
+		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
+	} else {
+		ratio = target.height()/target.width();
+		diff = fabs((orig.width() * ratio) - orig.height());
+		adj = orig.adjusted(0, -diff/2, 0, diff/2);
+	}
+
+	_mapScale->setPos(adj.bottomRight()
+	  + QPoint(-_mapScale->boundingRect().width(),
+	  -_mapScale->boundingRect().height()));
+
+	setTrackLineWidth(0);
+	_scene->render(painter, target, adj);
+	setTrackLineWidth(TRACK_WIDTH * _scale);
+}
+
+enum QPrinter::Orientation TrackView::orientation() const
+{
+	return (sceneRect().width() > sceneRect().height())
+		? QPrinter::Landscape : QPrinter::Portrait;
+}
+
+void TrackView::clearPOI()
+{
+	QHash<WayPoint, POIItem*>::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();
+	_tracks.clear();
+	_trackPaths.clear();
+	_markers.clear();
+	_scene->clear();
+	_colorShop.reset();
+
+	_maxLen = 0;
+
+	_scene->setSceneRect(0, 0, 0, 0);
+}
+
+void TrackView::movePositionMarker(qreal val)
+{
+	for (int i = 0; i < _trackPaths.size(); i++) {
+		qreal f = _maxLen / _trackPaths.at(i)->path().length();
+		QPointF pos = _trackPaths.at(i)->path().pointAtPercent(qMin(val * f,
+		  1.0));
+		_markers.at(i)->setPos(pos);
+	}
+}
+
+void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
+{
+	if (_tracks.isEmpty() || !_map) {
+		painter->fillRect(rect, Qt::white);
+		return;
+	}
+
+	painter->setWorldMatrixEnabled(false);
+
+	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 = mapFromScene(QPointF(tm.x() / _scale, -tm.y() / _scale));
+
+	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);
+
+	for (int i = 0; i < tiles.count(); i++) {
+		Tile &t = tiles[i];
+		QPoint tp(tl.x() + (t.xy().rx() - tile.rx()) * TILE_SIZE,
+		  tl.y() + (t.xy().ry() - tile.ry()) * TILE_SIZE);
+		painter->drawPixmap(tp, t.pixmap());
+	}
+}
+
+void TrackView::resizeEvent(QResizeEvent *e)
+{
+	if (_tracks.isEmpty())
+		return;
+
+	QRectF br = trackBoundingRect();
+	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().bottomLeft() + QPoint(SCALE_OFFSET,
+	  -(SCALE_OFFSET + _mapScale->boundingRect().height())));
+	if (_mapScale->pos() != scenePos)
+		_mapScale->setPos(scenePos);
+
+	QGraphicsView::paintEvent(e);
+}
--- a/src/trackview.h
+++ b/src/trackview.h
@ -0,0 +1,75 @@
+#ifndef TRACKVIEW_H
+#define TRACKVIEW_H
+
+#include <QGraphicsView>
+#include <QVector>
+#include <QHash>
+#include <QList>
+#include <QPrinter>
+#include "units.h"
+#include "colorshop.h"
+#include "waypoint.h"
+
+class GPX;
+class POI;
+class Map;
+class POIItem;
+class MarkerItem;
+class ScaleItem;
+
+class TrackView : public QGraphicsView
+{
+	Q_OBJECT
+
+public:
+	TrackView(QWidget *parent = 0);
+	~TrackView();
+
+	void loadGPX(const GPX &gpx);
+
+	void loadPOI(const POI &poi);
+	void clearPOI();
+	void clear();
+
+	void setMap(Map *map);
+	void setUnits(enum Units units);
+
+	void plot(QPainter *painter, const QRectF &target);
+	enum QPrinter::Orientation orientation() const;
+
+public slots:
+	void movePositionMarker(qreal val);
+
+private slots:
+	void redraw();
+
+private:
+	QRectF trackBoundingRect() const;
+	qreal trackScale() const;
+	qreal mapScale() const;
+	void rescale(qreal scale);
+
+	void showMarkers(bool show);
+	void setTrackLineWidth(qreal width);
+
+	void wheelEvent(QWheelEvent *event);
+	void drawBackground(QPainter *painter, const QRectF &rect);
+	void resizeEvent(QResizeEvent *e);
+	void paintEvent(QPaintEvent *e);
+
+	QGraphicsScene *_scene;
+	QList<QVector<QPointF> > _tracks;
+	QList<QGraphicsPathItem*> _trackPaths;
+	QList<MarkerItem*> _markers;
+	QHash<WayPoint, POIItem*> _pois;
+	Map *_map;
+	ScaleItem *_mapScale;
+
+	ColorShop _colorShop;
+	qreal _maxLen;
+
+	qreal _scale;
+	int _zoom;
+};
+
+#endif // TRACKVIEW_H
--- a/src/units.h
+++ b/src/units.h
@ -0,0 +1,25 @@
+#ifndef UNITS_H
+#define UNITS_H
+
+enum Units {
+	Metric,
+	Imperial
+};
+
+#define M2KM    0.001000000000  // m -> km
+#define M2MI    0.000621371192  // m -> mi
+#define M2FT    3.280839900000  // m -> ft
+#define MS2KMH  3.600000000000  // m/s -> km/h
+#define MS2MIH  2.236936290000  // m/s -> mi/h
+#define FT2MI   0.000189393939  // ft -> mi
+
+#define MIINFT  5280 // 1 mi in ft
+#define KMINM   1000 // 1 km in m
+
+#ifdef Q_OS_WIN32
+#define UNIT_SPACE     " "
+#else // Q_OS_WIN32
+#define UNIT_SPACE     QString::fromUtf8("\xE2\x80\x89")
+#endif // Q_OS_WIN32
+
+#endif // UNITS_H
--- a/src/waypoint.h
+++ b/src/waypoint.h
@ -0,0 +1,36 @@
+#ifndef WAYPOINT_H
+#define WAYPOINT_H
+
+#include <QPointF>
+#include <QString>
+#include <QHash>
+
+class WayPoint
+{
+public:
+	WayPoint() {}
+	WayPoint(const QPointF &coordinates, const QString &description)
+	  : _coordinates(coordinates), _description(description) {}
+
+	const QPointF &coordinates() const {return _coordinates;}
+	const QString &description() const {return _description;}
+	void setCoordinates(const QPointF &coordinates)
+	  {_coordinates = coordinates;}
+	void setDescription(const QString &description)
+	  {_description = description;}
+
+	bool operator==(const WayPoint &other) const
+	  {return this->_description == other._description
+	  && this->_coordinates == other._coordinates;}
+
+private:
+	QPointF _coordinates;
+	QString _description;
+};
+
+inline uint qHash(const WayPoint &key)
+{
+	return ::qHash(key.description());
+}
+
+#endif // WAYPOINT_H
Author	SHA1	Message	Date
Martin Tůma	2f80e612b5	WindowsXP font issue workaround	2016-02-13 12:13:56 +01:00
Martin Tůma	047801685a	One Thunderforest is enaught	2016-02-13 11:11:54 +01:00
Martin Tůma	973298f36e	Switched to VS2015 builds wih global installs	2016-02-13 11:09:51 +01:00
Martin Tůma	932f817496	Improved error handling Added file filters to open dialogs	2016-02-12 20:12:37 +01:00
Martin Tůma	580289e533	Code cleanup	2016-02-12 10:29:18 +01:00
Martin Tůma	30891482a1	More includes cleanup	2016-02-12 10:23:14 +01:00
Martin Tůma	47a753610a	Includes cleanup	2016-02-12 10:09:17 +01:00
Martin Tůma	e06a1bc148	Added support for POI files in GPX format	2016-02-11 20:58:52 +01:00
Martin Tůma	635293ec1b	Extended default map list	2016-02-11 20:58:22 +01:00
Martin Tůma	2a987abec3	Cosmetics	2016-02-08 21:08:29 +01:00
Martin Tůma	aac3de5707	Localization update	2016-02-08 19:19:40 +01:00
Martin Tůma	923a00479a	Added support for GPX files with multiple tracks	2016-02-08 17:53:09 +01:00
Martin Tůma	82660caccb	Version++	2016-02-07 18:29:07 +01:00
Martin Tůma	ddebaaa62c	Fixed MSVC 2015 compile issues	2016-02-07 18:27:50 +01:00
Martin Tůma	7723392c01	Added default maps	2016-02-07 18:12:03 +01:00
Martin Tůma	30e78591c5	Some more shortcuts	2016-02-02 23:13:08 +01:00
Martin Tůma	a26b1257b2	Version 2.6	2016-02-02 23:02:03 +01:00
Martin Tůma	97a9dadd39	Scale artefacts fix	2016-02-02 22:56:38 +01:00
Martin Tůma	6acbf0d89f	Fixed scale flicker issue on OS X Performance improvements	2016-02-02 20:12:56 +01:00
Martin Tůma	9941faa218	Added proper initialization to silence analysis tools	2016-02-02 09:07:04 +01:00
Martin Tůma	e7edd5c3c3	Improved PDF export	2016-02-02 01:10:05 +01:00
Martin Tůma	16cce5abd0	Code cleanup	2016-01-19 09:04:54 +01:00
Martin Tůma	c2391929d3	Added track scale info	2016-01-14 00:37:51 +01:00
Martin Tůma	5bd4999205	Localization update	2015-12-20 17:42:45 +01:00
Martin Tůma	d8068ad994	Fixed track view resizing issues	2015-12-20 09:33:40 +01:00
Martin Tůma	6659e2ffa7	Fixed slider info value on unit change	2015-12-19 20:49:22 +01:00
Martin Tůma	141226b509	Added support for imperial units	2015-12-19 20:23:07 +01:00
Martin Tůma	4a2c7b19fb	Version 2.4	2015-12-19 13:16:51 +01:00
Martin Tůma	3bba3d6cd7	Fixed navigation logic	2015-12-19 13:15:13 +01:00
Martin Tůma	0374e59bce	Fixed crash when zooming with no track loaded.	2015-12-19 12:57:09 +01:00
Martin Tůma	69c62ffdc3	Version 2.3	2015-12-19 11:34:10 +01:00
Martin Tůma	b195993164	Fixed navigation toolbar show/hide logic	2015-12-19 08:29:31 +01:00
Martin Tůma	b2672a982a	Fixed navigation toolbar style on OS X	2015-12-19 08:26:23 +01:00
Martin Tůma	4d10a8d5d5	Code cleanup	2015-12-18 22:50:28 +01:00
Martin Tůma	22b84cc6cd	Revert "Code cleanup" This reverts commit `ba9319d7f6`.	2015-12-18 22:48:11 +01:00
Martin Tůma	ba9319d7f6	Code cleanup	2015-12-18 22:44:26 +01:00
Martin Tůma	7ac94588c8	Added navigation toolbar	2015-12-18 22:21:11 +01:00
Martin Tůma	1b358bde3c	Fixed all the compile warnings when compiled with GCC Basic coding style unification	2015-12-17 19:58:49 +01:00