Added cadence and power graphs

Fixed "zoom under mouse" algorithm

Info.plist

@@ -0,0 +1,177 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>CFBundleIconFile</key>
+	<string>@ICON@</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>@SHORT_VERSION@</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleExecutable</key>
+	<string>@EXECUTABLE@</string>
+	<key>CFBundleIdentifier</key>
+	<string>cz.wz.tumic.GPXSee</string>
+
+	<key>CFBundleDocumentTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>gpx</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/gpx+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>gpx.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>GPS Exchange Format</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>tcx</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/tcx+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>tcx.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Training Center XML</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>kml</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/vnd.google-earth.kml+xml</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>kml.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Keyhole Markup Language</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+		<dict>
+			<key>CFBundleTypeExtensions</key>
+			<array>
+				<string>fit</string>
+			</array>
+			<key>CFBundleTypeMIMETypes</key>
+			<array>
+				<string>application/octet-stream</string>
+			</array>
+			<key>CFBundleTypeIconFile</key>
+			<string>fit.icns</string>
+			<key>CFBundleTypeName</key>
+			<string>Flexible and Interoperable Data Transfer</string>
+			<key>CFBundleTypeRole</key>
+			<string>Viewer</string>
+		</dict>
+	</array>
+
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.topografix.gpx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.topografix.com/GPX/1/1</string>
+			<key>UTTypeDescription</key>
+			<string>GPS Exchange Format</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>gpx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/gpx+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.garmin.tcx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www8.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd</string>
+			<key>UTTypeDescription</key>
+			<string>Training Center XML</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>tcx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/tcx+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.google.kml</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://developers.google.com/kml/documentation/kmlreference</string>
+			<key>UTTypeDescription</key>
+			<string>Keyhole Markup Language</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>kml</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/vnd.google-earth.kml+xml</string>
+			</dict>
+		</dict>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.thisisant.fit</string>
+			<key>UTTypeReferenceURL</key>
+			<string>https://www.thisisant.com/resources/fit</string>
+			<key>UTTypeDescription</key>
+			<string>Flexible and Interoperable Data Transfer</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.data</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>fit</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/octet-stream</string>
+			</dict>
+		</dict>
+	</array>
+
+</dict>
+</plist>

README.md

@@ -1,4 +1,33 @@
 # GPXSee
-GPX viewer and analyzer
+GPX viewer and analyzer.
 
-GPXSee Web page: http://tumic.wz.cz/gpxsee
+* User-definable map sources.
+* Track and elevation/speed/heart rate graphs.
+* Support for multiple tracks in one view.
+* Support for POI files.
+* Export to PDF.
+* Full-screen mode
+* Native GUI for Windows, Mac OS X and Linux.
+
+![GPXSee - Linux](https://a.fsdn.com/con/app/proj/gpxsee/screenshots/linux.png)
+
+## Build
+### Linux/OS X
+```shell
+lrelease gpxsee.pro
+qmake gpxsee.pro
+make
+```
+### Windows
+```shell
+lrelease gpxsee.pro
+qmake gpxsee.pro
+nmake release
+```
+
+## Binaries
+* Windows & OS X builds: http://sourceforge.net/projects/gpxsee
+* Linux packages: https://build.opensuse.org/project/repositories/home:tumic:GPXSee
+
+## Homepage
+GPXSee homepage: http://tumic.wz.cz/gpxsee

build/env.bat

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

build/env64.bat

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

gpxsee.nsi

@@ -1,136 +0,0 @@
-;Include Modern UI
-!include "MUI2.nsh"
-
-; The name of the installer
-Name "GPXSee"
-
-; The file to write
-OutFile "install.exe"
-
-RequestExecutionLevel user
-
-; The default installation directory
-InstallDir "$LOCALAPPDATA\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"
-
-; 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_KEY "Software\GPXSee" 
-!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
-
-Var StartMenuFolder
-
-;--------------------------------
-
-; Pages
-
-!insertmacro MUI_PAGE_WELCOME
-!insertmacro MUI_PAGE_LICENSE "licence.txt"
-!insertmacro MUI_PAGE_COMPONENTS
-!insertmacro MUI_PAGE_DIRECTORY
-!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
-!insertmacro MUI_PAGE_INSTFILES
-
-!insertmacro MUI_UNPAGE_CONFIRM
-!insertmacro MUI_UNPAGE_INSTFILES
-
-;--------------------------------
-
-; Languages
-!insertmacro MUI_LANGUAGE "English"
-
-
-; The stuff to install
-Section "GPXSee (required)" SEC_APP
-
-  SectionIn RO
-  
-  ; Set output path to the installation directory.
-  SetOutPath $INSTDIR
-  
-  ; Put file there
-  File "gpxsee.exe"
-  
-  ; Write the installation path into the registry
-  WriteRegStr HKCU SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
-  
-  ; Write the uninstall keys for Windows
-  WriteRegStr HKCU "${REGENTRY}" "DisplayName" "GPXSee"
-  WriteRegStr HKCU "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKCU "${REGENTRY}" "DisplayVersion" "1.0"
-  WriteRegStr HKCU "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
-  WriteRegDWORD HKCU "${REGENTRY}" "NoModify" 1
-  WriteRegDWORD HKCU "${REGENTRY}" "NoRepair" 1
-  WriteUninstaller "$INSTDIR\uninstall.exe"
-
-  ; Create start menu entry and add links
-  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
-    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
-    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
-    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
-  !insertmacro MUI_STARTMENU_WRITE_END
-
-SectionEnd
-
-Section "QT libs" SEC_QT
-
-  File "Qt5Core.dll"
-  File "Qt5Gui.dll"
-  File "Qt5Widgets.dll"
-  File "Qt5PrintSupport.dll"
-  File "libGLESv2.dll"
-  File /r "platforms"
- 
-SectionEnd
-
-Section "MSVC runtime" SEC_MSVC
-
-  File "msvcr100.dll"
-  File "msvcp100.dll"
-
-SectionEnd
-
-;--------------------------------
-
-; Uninstaller
-
-Section "Uninstall"
-  
-  ; Remove registry keys
-  DeleteRegKey HKCU "${REGENTRY}"
-  DeleteRegKey HKCU SOFTWARE\GPXSee
-
-  ; Remove directories used
-  RMDir /r "$INSTDIR"
-
-  ; Remove Start menu entries
-  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
-  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
-  RMDir "$SMPROGRAMS\$StartMenuFolder"  
-
-SectionEnd
-
-;-------------------------------
-
-;Descriptions
-
-;Language strings
-LangString DESC_QT ${LANG_ENGLISH} \
-  "QT Library. Unselct only if you have QT already installed!"
-LangString DESC_MSVC ${LANG_ENGLISH} \
-  "Visual C++ 2010 runtime components. Unselct only if you have the runtime already installed!"
-LangString DESC_APP ${LANG_ENGLISH} \
-  "GPXSee application"
-
-;Assign language strings to sections
-!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
-  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
-!insertmacro MUI_FUNCTION_DESCRIPTION_END

gpxsee.pro

@@ -1,21 +1,16 @@
 TARGET = GPXSee
+VERSION = 3.0
 QT += core \
-	gui
+    gui \
+    network
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 greaterThan(QT_MAJOR_VERSION, 4): QT += printsupport
 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 \
-    src/ll.h \
     src/axisitem.h \
-    src/poiitem.h \
-    src/colorshop.h \
     src/keys.h \
     src/slideritem.h \
     src/markeritem.h \
@@ -23,26 +18,123 @@ HEADERS += src/config.h \
     src/elevationgraph.h \
     src/speedgraph.h \
     src/sliderinfoitem.h \
-    src/filebrowser.h
+    src/filebrowser.h \
+    src/map.h \
+    src/maplist.h \
+    src/downloader.h \
+    src/units.h \
+    src/scaleitem.h \
+    src/waypoint.h \
+    src/track.h \
+    src/graphview.h \
+    src/trackpoint.h \
+    src/waypointitem.h \
+    src/palette.h \
+    src/heartrategraph.h \
+    src/range.h \
+    src/cpuarch.h \
+    src/settings.h \
+    src/app.h \
+    src/trackinfo.h \
+    src/exportdialog.h \
+    src/fileselectwidget.h \
+    src/margins.h \
+    src/temperaturegraph.h \
+    src/graphtab.h \
+    src/misc.h \
+    src/trackitem.h \
+    src/tooltip.h \
+    src/route.h \
+    src/routeitem.h \
+    src/graphitem.h \
+    src/graph.h \
+    src/pathitem.h \
+    src/pathview.h \
+    src/griditem.h \
+    src/data.h \
+    src/gpxparser.h \
+    src/tcxparser.h \
+    src/parser.h \
+    src/csvparser.h \
+    src/coordinates.h \
+    src/tile.h \
+    src/rd.h \
+    src/wgs84.h \
+    src/kmlparser.h \
+    src/trackdata.h \
+    src/routedata.h \
+    src/fitparser.h \
+    src/format.h \
+    src/path.h \
+    src/assert.h \
+    src/cadencegraph.h \
+    src/powergraph.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 \
     src/axisitem.cpp \
-    src/poiitem.cpp \
-    src/colorshop.cpp \
     src/slideritem.cpp \
     src/markeritem.cpp \
     src/infoitem.cpp \
     src/elevationgraph.cpp \
     src/speedgraph.cpp \
     src/sliderinfoitem.cpp \
-    src/filebrowser.cpp
+    src/filebrowser.cpp \
+    src/map.cpp \
+    src/maplist.cpp \
+    src/downloader.cpp \
+    src/scaleitem.cpp \
+    src/track.cpp \
+    src/graphview.cpp \
+    src/waypointitem.cpp \
+    src/palette.cpp \
+    src/heartrategraph.cpp \
+    src/range.cpp \
+    src/app.cpp \
+    src/trackinfo.cpp \
+    src/exportdialog.cpp \
+    src/fileselectwidget.cpp \
+    src/temperaturegraph.cpp \
+    src/trackpoint.cpp \
+    src/misc.cpp \
+    src/waypoint.cpp \
+    src/trackitem.cpp \
+    src/tooltip.cpp \
+    src/route.cpp \
+    src/routeitem.cpp \
+    src/graphitem.cpp \
+    src/pathitem.cpp \
+    src/pathview.cpp \
+    src/griditem.cpp \
+    src/data.cpp \
+    src/gpxparser.cpp \
+    src/tcxparser.cpp \
+    src/csvparser.cpp \
+    src/coordinates.cpp \
+    src/kmlparser.cpp \
+    src/fitparser.cpp \
+    src/format.cpp \
+    src/graph.cpp \
+    src/cadencegraph.cpp \
+    src/powergraph.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts
-macx:ICON = icons/gpxsee.icns
-win32:RC_FILE = gpxsee.rc
+macx {
+    ICON = icons/gpxsee.icns
+    QMAKE_INFO_PLIST = Info.plist
+    APP_RESOURCES.files = icons/gpx.icns \
+        icons/tcx.icns \
+        icons/kml.icns \
+        icons/fit.icns \
+        pkg/maps.txt
+    APP_RESOURCES.path = Contents/Resources
+    QMAKE_BUNDLE_DATA += APP_RESOURCES
+}
+win32 {
+    RC_ICONS = icons/gpxsee.ico \
+        icons/gpx.ico \
+        icons/tcx.ico \
+        icons/kml.ico \
+        icons/fit.ico
+}
+DEFINES += APP_VERSION=\\\"$$VERSION\\\"

gpxsee.qrc

@@ -2,12 +2,19 @@
     <qresource prefix="/">
         <file>icons/dialog-close.png</file>
         <file>icons/document-open.png</file>
-        <file>icons/document-save-as.png</file>
-        <file>icons/document-save.png</file>
+        <file>icons/document-print.png</file>
+        <file>icons/document-export.png</file>
         <file>icons/flag.png</file>
         <file>icons/gpxsee.png</file>
         <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>icons/view-fullscreen.png</file>
+        <file>icons/office-chart-line-stacked.png</file>
         <file>lang/gpxsee_cs.qm</file>
     </qresource>
 </RCC>

gpxsee.rc

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

icons/fit.svg

@@ -0,0 +1,171 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="svg3390"
+   height="185"
+   width="185"
+   inkscape:version="0.91 r13725"
+   sodipodi:docname="fit.svg">
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1440"
+     inkscape:window-height="815"
+     id="namedview3427"
+     showgrid="false"
+     inkscape:zoom="3.1351351"
+     inkscape:cx="92.5"
+     inkscape:cy="92.5"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg3390" />
+  <metadata
+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3402" />
+  <path
+     style="fill:#ffffff;stroke:#999999;stroke-width:2.18774867"
+     id="path3392"
+     d="m 128.23996,2.2548915 -95.377018,0 0,181.0580085 134.394868,0 0,-141.313567 z m 0,0 0,39.7444415 39.01785,0" />
+  <rect
+     y="124.9782"
+     x="16.573463"
+     height="49.84631"
+     width="120.3215"
+     id="rect3426"
+     style="fill:#006600;fill-opacity:1;stroke:none;stroke-width:2;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+  <g
+     id="g3828"
+     transform="matrix(0.89093793,0,0,0.84489692,3.5017807,-51.565424)">
+    <g
+       id="g3715">
+      <circle
+         style="fill:#000000"
+         cx="113"
+         cy="90.875"
+         id="ellipse3717"
+         r="7.0209999" />
+      <circle
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2;stroke-linejoin:round"
+         cx="113"
+         cy="90.875"
+         id="ellipse3719"
+         r="7.0209999" />
+    </g>
+    <polyline
+       style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:4"
+       points="62.3563,178.566 73.5,125.854 96,151.875 113,90.875 136.5,172.375 148.831,160.03 "
+       id="polyline3721" />
+    <g
+       id="g3723">
+      <circle
+         style="fill:#000000"
+         cx="73.5"
+         cy="125.854"
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+         cx="73.5"
+         cy="125.854"
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+         r="7.0209999" />
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+       id="g3729">
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+      <circle
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+         cy="154.354"
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+    <g
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+         style="fill:#000000"
+         cx="96"
+         cy="151.875"
+         id="ellipse3749"
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+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2"
+         cx="96"
+         cy="151.875"
+         id="ellipse3751"
+         r="7.0209999" />
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+  </g>
+  <text
+     transform="scale(0.9437456,1.0596076)"
+     id="text3921"
+     y="155.86783"
+     x="44.388157"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+     sodipodi:linespacing="100%"><tspan
+       sodipodi:role="line"
+       id="tspan3429"
+       x="44.388157"
+       y="155.86783">FIT</tspan></text>
+</svg>

icons/gpx.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg3390"
+   height="185"
+   width="185">
+  <metadata
+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3402" />
+  <path
+     style="fill:#ffffff;stroke:#999999;stroke-width:2.18774867"
+     id="path3392"
+     d="m 128.23996,2.2548915 -95.377018,0 0,181.0580085 134.394868,0 0,-141.313567 z m 0,0 0,39.7444415 39.01785,0" />
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+      <circle
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+       id="g3729">
+      <circle
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+         cy="172.375"
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+         cx="136.5"
+         cy="172.375"
+         id="ellipse3733"
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+    <g
+       id="g3735">
+      <circle
+         style="fill:#000000"
+         cx="60.700001"
+         cy="186.39999"
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+      <circle
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2"
+         cx="60.700001"
+         cy="186.39999"
+         id="ellipse3739"
+         r="7.0209999" />
+    </g>
+    <g
+       id="g3741">
+      <circle
+         style="fill:#000000"
+         cx="154.5"
+         cy="154.354"
+         id="ellipse3743"
+         r="7.0209999" />
+      <circle
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2"
+         cx="154.5"
+         cy="154.354"
+         id="ellipse3745"
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+    </g>
+    <g
+       id="g3747">
+      <circle
+         style="fill:#000000"
+         cx="96"
+         cy="151.875"
+         id="ellipse3749"
+         r="7.0209999" />
+      <circle
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2"
+         cx="96"
+         cy="151.875"
+         id="ellipse3751"
+         r="7.0209999" />
+    </g>
+  </g>
+  <text
+     transform="scale(0.9437456,1.0596076)"
+     id="text3921"
+     y="155.86783"
+     x="31.672857"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     xml:space="preserve"><tspan
+       y="155.86783"
+       x="31.672857"
+       id="tspan3923"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;writing-mode:lr-tb;text-anchor:start">GPX</tspan></text>
+</svg>

icons/kml.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   width="185"
+   height="185"
+   id="svg3390"
+   version="1.1">
+  <metadata
+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3402" />
+  <path
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+     style="fill:#ffffff;stroke:#999999;stroke-width:2.18774867" />
+  <rect
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+     width="120.3215"
+     height="49.84631"
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+         id="ellipse3719"
+         cy="90.875"
+         cx="113"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2;stroke-linejoin:round" />
+    </g>
+    <polyline
+       id="polyline3721"
+       points="62.3563,178.566 73.5,125.854 96,151.875 113,90.875 136.5,172.375 148.831,160.03 "
+       style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:4" />
+    <g
+       id="g3723">
+      <circle
+         r="7.0209999"
+         id="ellipse3725"
+         cy="125.854"
+         cx="73.5"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3727"
+         cy="125.854"
+         cx="73.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+    <g
+       id="g3729">
+      <circle
+         r="7.0209999"
+         id="ellipse3731"
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+         cx="136.5"
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+      <circle
+         r="7.0209999"
+         id="ellipse3733"
+         cy="172.375"
+         cx="136.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+    <g
+       id="g3735">
+      <circle
+         r="7.0209999"
+         id="ellipse3737"
+         cy="186.39999"
+         cx="60.700001"
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+      <circle
+         r="7.0209999"
+         id="ellipse3739"
+         cy="186.39999"
+         cx="60.700001"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
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+    <g
+       id="g3741">
+      <circle
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+         r="7.0209999"
+         id="ellipse3745"
+         cy="154.354"
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+    <g
+       id="g3747">
+      <circle
+         r="7.0209999"
+         id="ellipse3749"
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+         cx="96"
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+         r="7.0209999"
+         id="ellipse3751"
+         cy="151.875"
+         cx="96"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+  </g>
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;"
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+     y="155.86783"
+     id="text3921"
+     transform="scale(0.9437456,1.0596076)"><tspan
+       id="tspan3429">KML</tspan></text>
+</svg>

icons/tcx.svg

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   width="185"
+   height="185"
+   id="svg3390"
+   version="1.1">
+  <metadata
+     id="metadata3404">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs3402" />
+  <path
+     d="m 128.23996,2.2548915 -95.377018,0 0,181.0580085 134.394868,0 0,-141.313567 z m 0,0 0,39.7444415 39.01785,0"
+     id="path3392"
+     style="fill:#ffffff;stroke:#999999;stroke-width:2.18774867" />
+  <rect
+     style="fill:#ffcc00;fill-opacity:1;stroke:none;stroke-width:2;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     id="rect3426"
+     width="120.3215"
+     height="49.84631"
+     x="16.573463"
+     y="124.9782" />
+  <g
+     transform="matrix(0.89093793,0,0,0.84489692,3.5017807,-51.565424)"
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+    <g
+       id="g3715">
+      <circle
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+         id="ellipse3717"
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+         id="ellipse3719"
+         cy="90.875"
+         cx="113"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2;stroke-linejoin:round" />
+    </g>
+    <polyline
+       id="polyline3721"
+       points="62.3563,178.566 73.5,125.854 96,151.875 113,90.875 136.5,172.375 148.831,160.03 "
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+    <g
+       id="g3723">
+      <circle
+         r="7.0209999"
+         id="ellipse3725"
+         cy="125.854"
+         cx="73.5"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3727"
+         cy="125.854"
+         cx="73.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+    <g
+       id="g3729">
+      <circle
+         r="7.0209999"
+         id="ellipse3731"
+         cy="172.375"
+         cx="136.5"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3733"
+         cy="172.375"
+         cx="136.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
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+    <g
+       id="g3735">
+      <circle
+         r="7.0209999"
+         id="ellipse3737"
+         cy="186.39999"
+         cx="60.700001"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3739"
+         cy="186.39999"
+         cx="60.700001"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+    <g
+       id="g3741">
+      <circle
+         r="7.0209999"
+         id="ellipse3743"
+         cy="154.354"
+         cx="154.5"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3745"
+         cy="154.354"
+         cx="154.5"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+    <g
+       id="g3747">
+      <circle
+         r="7.0209999"
+         id="ellipse3749"
+         cy="151.875"
+         cx="96"
+         style="fill:#000000" />
+      <circle
+         r="7.0209999"
+         id="ellipse3751"
+         cy="151.875"
+         cx="96"
+         style="fill:none;fill-opacity:0;stroke:#000000;stroke-width:2" />
+    </g>
+  </g>
+  <text
+     xml:space="preserve"
+     style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:40px;line-height:100%;font-family:sans-serif;-inkscape-font-specification:'sans-serif, Bold';text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     x="35.911289"
+     y="155.86783"
+     id="text3921"
+     transform="scale(0.9437456,1.0596076)"><tspan
+       y="155.86783"
+       x="35.911289"
+       id="tspan3429">TCX</tspan></text>
+</svg>

lang/gpxsee_cs.ts

@@ -2,300 +2,850 @@
 <!DOCTYPE TS>
 <TS version="2.1" language="cs_CZ">
 <context>
-    <name>ElevationGraph</name>
+    <name>CadenceGraph</name>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="12"/>
-        <source>Distance</source>
-        <translation>Vzdálenost</translation>
+        <location filename="../src/cadencegraph.cpp" line="10"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="13"/>
+        <location filename="../src/cadencegraph.cpp" line="11"/>
+        <location filename="../src/cadencegraph.h" line="13"/>
+        <source>Cadence</source>
+        <translation>Kadence</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraph.cpp" line="19"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraph.cpp" line="21"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+</context>
+<context>
+    <name>ElevationGraph</name>
+    <message>
+        <location filename="../src/elevationgraph.cpp" line="48"/>
+        <location filename="../src/elevationgraph.h" line="13"/>
         <source>Elevation</source>
         <translation>Výška</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="14"/>
-        <source>km</source>
-        <translation>km</translation>
-    </message>
-    <message>
-        <location filename="../src/elevationgraph.cpp" line="15"/>
+        <location filename="../src/elevationgraph.cpp" line="141"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="51"/>
+        <location filename="../src/elevationgraph.cpp" line="58"/>
         <source>Ascent</source>
         <translation>Stoupání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="53"/>
+        <location filename="../src/elevationgraph.cpp" line="60"/>
         <source>Descent</source>
         <translation>Klesání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="57"/>
+        <location filename="../src/elevationgraph.cpp" line="64"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="55"/>
+        <location filename="../src/elevationgraph.cpp" line="144"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraph.cpp" line="62"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>ExportDialog</name>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="122"/>
+        <source>Export to PDF</source>
+        <translation>Exportovat do PDF</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="29"/>
+        <source>PDF files (*.pdf);;All files (*)</source>
+        <translation>Soubory PDF (*.pdf);;Všechny soubory (*)</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="42"/>
+        <source>Portrait</source>
+        <translation>Na výšku</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="43"/>
+        <source>Landscape</source>
+        <translation>Na šířku</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="85"/>
+        <source>Page size:</source>
+        <translation>Velikost stránky:</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="86"/>
+        <source>Orientation:</source>
+        <translation>Orientace:</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="82"/>
+        <source>Page Setup</source>
+        <translation>Nastavení stránky</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="55"/>
+        <source>in</source>
+        <translation>in</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="55"/>
+        <source>mm</source>
+        <translation>mm</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="87"/>
+        <source>Margins:</source>
+        <translation>Okraje:</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="93"/>
+        <source>File:</source>
+        <translation>Soubor:</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="100"/>
+        <source>Output file</source>
+        <translation>Výstupní soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="107"/>
+        <source>Export</source>
+        <translation>Exportovat</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="129"/>
+        <location filename="../src/exportdialog.cpp" line="139"/>
+        <location filename="../src/exportdialog.cpp" line="144"/>
+        <source>Error</source>
+        <translation>Chyba</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="129"/>
+        <source>No output file selected.</source>
+        <translation>Nebyl zvolen žádný výstupní soubor.</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="139"/>
+        <source>%1 is a directory.</source>
+        <translation>%1 je adresář.</translation>
+    </message>
+    <message>
+        <location filename="../src/exportdialog.cpp" line="144"/>
+        <source>%1 is not writable.</source>
+        <translation>%1 nelze zapsat.</translation>
+    </message>
+</context>
+<context>
+    <name>FileSelectWidget</name>
+    <message>
+        <location filename="../src/fileselectwidget.cpp" line="38"/>
+        <source>Select file</source>
+        <translation>Vybrat soubor</translation>
+    </message>
+</context>
+<context>
+    <name>Format</name>
+    <message>
+        <location filename="../src/format.cpp" line="22"/>
+        <location filename="../src/format.cpp" line="43"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/format.cpp" line="25"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/format.cpp" line="29"/>
+        <location filename="../src/format.cpp" line="40"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/format.cpp" line="32"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+</context>
 <context>
     <name>GUI</name>
     <message>
-        <location filename="../src/gui.cpp" line="90"/>
-        <source>About Qt</source>
-        <translation>O Qt</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="217"/>
+        <location filename="../src/gui.cpp" line="550"/>
         <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="247"/>
+        <location filename="../src/gui.cpp" line="614"/>
         <source>Open file</source>
         <translation>Otevřít soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="104"/>
-        <source>Save as</source>
-        <translation>Uložit jako</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="293"/>
+        <location filename="../src/gui.cpp" line="695"/>
         <source>Open POI file</source>
         <translation>Otevřít POI soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="95"/>
+        <location filename="../src/gui.cpp" line="225"/>
         <source>Open</source>
         <translation>Otevřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="80"/>
+        <location filename="../src/gui.cpp" line="209"/>
         <source>Quit</source>
         <translation>Ukončit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="85"/>
-        <location filename="../src/gui.cpp" line="233"/>
-        <location filename="../src/gui.cpp" line="234"/>
+        <location filename="../src/gui.cpp" line="217"/>
+        <location filename="../src/gui.cpp" line="566"/>
+        <location filename="../src/gui.cpp" line="567"/>
         <source>Keyboard controls</source>
         <translation>Ovládací klávesy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="99"/>
-        <source>Save</source>
-        <translation>Uložit</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="109"/>
+        <location filename="../src/gui.cpp" line="241"/>
         <source>Close</source>
         <translation>Zavřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="114"/>
+        <location filename="../src/gui.cpp" line="247"/>
         <source>Reload</source>
         <translation>Znovu načíst</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="121"/>
-        <source>Load file</source>
-        <translation>Nahrát soubor</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="124"/>
+        <location filename="../src/gui.cpp" line="476"/>
         <source>Show</source>
         <translation>Zobrazit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="131"/>
-        <location filename="../src/gui.cpp" line="158"/>
+        <location filename="../src/gui.cpp" line="398"/>
+        <location filename="../src/gui.cpp" line="470"/>
         <source>File</source>
         <translation>Soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="145"/>
-        <location filename="../src/gui.cpp" line="167"/>
+        <location filename="../src/gui.cpp" line="111"/>
+        <source>Supported files (*.csv *.fit *.gpx *.kml *.tcx)</source>
+        <translation>Podporované soubory (*.csv *.fit *.gpx *.kml *.tcx)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="112"/>
+        <source>FIT files (*.fit)</source>
+        <translation>Soubory FIT (*.fit)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="215"/>
+        <location filename="../src/gui.cpp" line="589"/>
+        <location filename="../src/gui.cpp" line="590"/>
+        <source>Data sources</source>
+        <translation>Zdroje dat</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="255"/>
+        <source>Load POI file</source>
+        <translation>Nahrát POI soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="258"/>
+        <source>Close POI files</source>
+        <translation>Zavřit POI soubory</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="260"/>
+        <source>Overlap POIs</source>
+        <translation>Překrývat POI</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="264"/>
+        <source>Show POI labels</source>
+        <translation>Zobrazovat názvy POI</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="269"/>
+        <source>Show POIs</source>
+        <translation>Zobrazit POI</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="278"/>
+        <source>Show map</source>
+        <translation>Zobrazit mapu</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="284"/>
+        <source>Clear tile cache</source>
+        <translation>Vymazat mezipaměť dlaždic</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="293"/>
+        <location filename="../src/gui.cpp" line="297"/>
+        <location filename="../src/gui.cpp" line="576"/>
+        <source>Next map</source>
+        <translation>Následující mapa</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="304"/>
+        <source>Show tracks</source>
+        <translation>Zobrazit cesty</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="308"/>
+        <source>Show routes</source>
+        <translation>Zobrazit trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="312"/>
+        <source>Show waypoints</source>
+        <translation>Zobrazit navigační body</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="316"/>
+        <source>Waypoint labels</source>
+        <translation>Názvy navigačních bodů</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="327"/>
+        <source>Show graphs</source>
+        <translation>Zobrazovat grafy</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="349"/>
+        <source>Show grid</source>
+        <translation>Zobrazit mřížku</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="355"/>
+        <source>Show toolbars</source>
+        <translation>Zobrazovat nástrojové lišty</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="361"/>
+        <source>Metric</source>
+        <translation>Metrické</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="366"/>
+        <source>Imperial</source>
+        <translation>Imperiální</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="372"/>
+        <source>Fullscreen mode</source>
+        <translation>Celoobrazovkový režim</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="380"/>
+        <source>Next</source>
+        <translation>Následující</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="383"/>
+        <source>Previous</source>
+        <translation>Předchozí</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="387"/>
+        <source>Last</source>
+        <translation>Poslední</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="390"/>
+        <source>First</source>
+        <translation>První</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="412"/>
+        <source>Map</source>
+        <translation>Mapa</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="419"/>
+        <source>Graph</source>
+        <translation>Graf</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="427"/>
         <source>POI</source>
         <translation>POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="149"/>
+        <location filename="../src/gui.cpp" line="428"/>
+        <source>POI files</source>
+        <translation>POI soubory</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="439"/>
+        <source>Data</source>
+        <translation>Data</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="440"/>
+        <source>Display</source>
+        <translation>Zobrazit</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="448"/>
+        <source>Settings</source>
+        <translation>Nastavení</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="449"/>
+        <source>Units</source>
+        <translation>Jednotky</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="457"/>
         <source>Help</source>
         <translation>Nápověda</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="185"/>
-        <source>Elevation</source>
-        <translation>Výška</translation>
+        <location filename="../src/gui.cpp" line="578"/>
+        <source>Previous map</source>
+        <translation>Předchozí mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="186"/>
-        <source>Speed</source>
-        <translation>Rychlost</translation>
+        <location filename="../src/gui.cpp" line="113"/>
+        <source>GPX files (*.gpx)</source>
+        <translation>Soubory GPX (*.gpx)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="236"/>
+        <location filename="../src/gui.cpp" line="114"/>
+        <source>TCX files (*.tcx)</source>
+        <translation>Soubory TCX (*.tcx)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="113"/>
+        <source>KML files (*.kml)</source>
+        <translation>Soubory KML (*.kml)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="112"/>
+        <source>CSV files (*.csv)</source>
+        <translation>Soubory CSV (*.csv)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="114"/>
+        <source>All files (*)</source>
+        <translation>Všechny soubory (*)</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="781"/>
+        <location filename="../src/gui.cpp" line="784"/>
+        <source>Date</source>
+        <translation>Datum</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="793"/>
+        <source>Routes</source>
+        <translation>Trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="981"/>
+        <source>No GPX files loaded</source>
+        <translation>Nejsou načteny žádné GPX soubory</translation>
+    </message>
+    <message numerus="yes">
+        <location filename="../src/gui.cpp" line="985"/>
+        <source>%n files</source>
+        <translation>
+            <numerusform>%n soubor</numerusform>
+            <numerusform>%n soubory</numerusform>
+            <numerusform>%n souborů</numerusform>
+        </translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="569"/>
         <source>Next file</source>
         <translation>Následující soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="237"/>
+        <location filename="../src/gui.cpp" line="546"/>
+        <source>Version </source>
+        <translation>Verze </translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="230"/>
+        <source>Print...</source>
+        <translation>Tisknout...</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="235"/>
+        <source>Export to PDF...</source>
+        <translation>Exportovat do PDF...</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="795"/>
+        <source>Waypoints</source>
+        <translation>Navigační body</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="570"/>
         <source>Previous file</source>
         <translation>Předchozí soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="239"/>
+        <location filename="../src/gui.cpp" line="320"/>
+        <source>Route waypoints</source>
+        <translation>Body tras</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="572"/>
+        <source>First file</source>
+        <translation>První soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="573"/>
+        <source>Last file</source>
+        <translation>Poslední soubor</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="574"/>
         <source>Append modifier</source>
         <translation>Modifikátor nahradit/přidat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="349"/>
-        <source>Maximum</source>
-        <translation>Maximum</translation>
+        <location filename="../src/gui.cpp" line="593"/>
+        <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="351"/>
-        <source>Minimum</source>
-        <translation>Minimum</translation>
+        <location filename="../src/gui.cpp" line="596"/>
+        <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="88"/>
-        <location filename="../src/gui.cpp" line="213"/>
+        <location filename="../src/gui.cpp" line="604"/>
+        <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="684"/>
+        <source>Error loading data file:</source>
+        <translation>Datový soubor nelze načíst:</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="687"/>
+        <location filename="../src/gui.cpp" line="712"/>
+        <source>Line: %1</source>
+        <translation>Řádka: %1</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="709"/>
+        <source>Error loading POI file:</source>
+        <translation>Soubor POI nelze načíst:</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="791"/>
+        <source>Tracks</source>
+        <translation>Cesty</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="220"/>
+        <location filename="../src/gui.cpp" line="544"/>
         <source>About GPXSee</source>
         <translation>O aplikaci GPXSee</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="215"/>
-        <source>GPX viewer and analyzer</source>
-        <translation>Prohlížeč a analyzátor GPX</translation>
+        <location filename="../src/gui.cpp" line="481"/>
+        <source>Navigation</source>
+        <translation>Navigace</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="342"/>
+        <location filename="../src/gui.cpp" line="592"/>
+        <source>Map sources</source>
+        <translation>Mapové zdroje</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="603"/>
+        <source>POIs</source>
+        <translation>POI body</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="335"/>
+        <location filename="../src/gui.cpp" line="798"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="344"/>
+        <location filename="../src/gui.cpp" line="342"/>
+        <location filename="../src/gui.cpp" line="800"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
+</context>
+<context>
+    <name>GraphView</name>
     <message>
-        <location filename="../src/gui.cpp" line="345"/>
-        <source>Ascent</source>
-        <translation>Stoupání</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="346"/>
-        <location filename="../src/gui.cpp" line="348"/>
-        <location filename="../src/gui.cpp" line="350"/>
-        <location filename="../src/gui.cpp" line="352"/>
+        <location filename="../src/graphview.cpp" line="102"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="347"/>
-        <source>Descent</source>
-        <translation>Klesání</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="418"/>
-        <source>%1 tracks</source>
-        <translation>Počet tras: %1</translation>
-    </message>
-    <message>
-        <location filename="../src/gui.cpp" line="343"/>
-        <location filename="../src/gui.cpp" line="421"/>
+        <location filename="../src/graphview.cpp" line="105"/>
         <source>km</source>
         <translation>km</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="285"/>
-        <location filename="../src/gui.cpp" line="297"/>
-        <source>Error</source>
-        <translation>Chyba</translation>
+        <location filename="../src/graphview.cpp" line="110"/>
+        <source>ft</source>
+        <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="286"/>
-        <source>Error loading GPX file:
-%1</source>
-        <translation>Soubor GPX nelze otevřít:
-%1</translation>
+        <location filename="../src/graphview.cpp" line="113"/>
+        <source>mi</source>
+        <translation>mi</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="298"/>
-        <source>Error loading POI file:
-%1</source>
-        <translation>Soubor POI nelze otevřít:
-%1</translation>
+        <location filename="../src/graphview.cpp" line="119"/>
+        <source>s</source>
+        <translation>s</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="122"/>
+        <source>min</source>
+        <translation>min</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="125"/>
+        <source>h</source>
+        <translation>h</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="54"/>
+        <location filename="../src/graphview.cpp" line="151"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+    <message>
+        <location filename="../src/graphview.cpp" line="153"/>
+        <source>Time</source>
+        <translation>Čas</translation>
     </message>
 </context>
 <context>
-    <name>QObject</name>
+    <name>HeartRateGraph</name>
     <message>
-        <location filename="../src/parser.cpp" line="97"/>
-        <source>Not a GPX file.</source>
-        <translation>Neplatný GPX soubor.</translation>
+        <location filename="../src/heartrategraph.cpp" line="11"/>
+        <location filename="../src/heartrategraph.h" line="13"/>
+        <source>Heart rate</source>
+        <translation>Tep</translation>
     </message>
     <message>
-        <location filename="../src/parser.cpp" line="106"/>
-        <source>%1
-Line %2</source>
-        <translation>%1
-Rádka %2</translation>
+        <location filename="../src/heartrategraph.cpp" line="10"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
     </message>
     <message>
-        <location filename="../src/poi.cpp" line="31"/>
-        <source>Invalid latitude
-Line %1</source>
-        <translation>Neplatná zeměpisná šířka
-Rádka %1</translation>
+        <location filename="../src/heartrategraph.cpp" line="19"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/poi.cpp" line="36"/>
-        <source>Invalid longitude
-Line %1</source>
-        <translation>Neplatná zeměpisná délka
-Rádka %1</translation>
+        <location filename="../src/heartrategraph.cpp" line="21"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+</context>
+<context>
+    <name>PowerGraph</name>
+    <message>
+        <location filename="../src/powergraph.cpp" line="10"/>
+        <source>W</source>
+        <translation>W</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraph.cpp" line="11"/>
+        <location filename="../src/powergraph.h" line="13"/>
+        <source>Power</source>
+        <translation>Výkon</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraph.cpp" line="19"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraph.cpp" line="21"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+</context>
+<context>
+    <name>RouteItem</name>
+    <message>
+        <location filename="../src/routeitem.cpp" line="15"/>
+        <source>Name</source>
+        <translation>Název</translation>
+    </message>
+    <message>
+        <location filename="../src/routeitem.cpp" line="17"/>
+        <source>Description</source>
+        <translation>Popis</translation>
+    </message>
+    <message>
+        <location filename="../src/routeitem.cpp" line="18"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+</context>
+<context>
+    <name>ScaleItem</name>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="90"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="91"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="93"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+    <message>
+        <location filename="../src/scaleitem.cpp" line="94"/>
+        <source>m</source>
+        <translation>m</translation>
     </message>
 </context>
 <context>
     <name>SpeedGraph</name>
-    <message>
-        <location filename="../src/speedgraph.cpp" line="11"/>
-        <source>Distance</source>
-        <translation>Vzdálenost</translation>
-    </message>
     <message>
         <location filename="../src/speedgraph.cpp" line="12"/>
+        <location filename="../src/speedgraph.h" line="14"/>
         <source>Speed</source>
         <translation>Rychlost</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="13"/>
-        <source>km</source>
-        <translation></translation>
-    </message>
-    <message>
-        <location filename="../src/speedgraph.cpp" line="14"/>
+        <location filename="../src/speedgraph.cpp" line="74"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="37"/>
+        <location filename="../src/speedgraph.cpp" line="20"/>
         <source>Average</source>
         <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="39"/>
+        <location filename="../src/speedgraph.cpp" line="22"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
+    <message>
+        <location filename="../src/speedgraph.cpp" line="77"/>
+        <source>mi/h</source>
+        <translation>mi/h</translation>
+    </message>
+</context>
+<context>
+    <name>TemperatureGraph</name>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="11"/>
+        <location filename="../src/temperaturegraph.h" line="13"/>
+        <source>Temperature</source>
+        <translation>Teplota</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="19"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="21"/>
+        <source>Minimum</source>
+        <translation>Minimum</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="23"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="81"/>
+        <source>C</source>
+        <translation>C</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraph.cpp" line="85"/>
+        <source>F</source>
+        <translation>F</translation>
+    </message>
+</context>
+<context>
+    <name>TrackItem</name>
+    <message>
+        <location filename="../src/trackitem.cpp" line="14"/>
+        <source>Name</source>
+        <translation>Název</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="16"/>
+        <source>Description</source>
+        <translation>Popis</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="17"/>
+        <source>Distance</source>
+        <translation>Vzdálenost</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="20"/>
+        <source>Time</source>
+        <translation>Čas</translation>
+    </message>
+    <message>
+        <location filename="../src/trackitem.cpp" line="23"/>
+        <source>Date</source>
+        <translation>Datum</translation>
+    </message>
+</context>
+<context>
+    <name>WaypointItem</name>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="17"/>
+        <source>Name</source>
+        <translation>Název</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="18"/>
+        <source>Coordinates</source>
+        <translation>Souřadnice</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="21"/>
+        <source>Elevation</source>
+        <translation>Výška</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="24"/>
+        <source>Date</source>
+        <translation>Datum</translation>
+    </message>
+    <message>
+        <location filename="../src/waypointitem.cpp" line="27"/>
+        <source>Description</source>
+        <translation>Popis</translation>
+    </message>
 </context>
 </TS>

pkg/gpxsee.nsi

@@ -0,0 +1,199 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+
+; The name of the installer
+Name "GPXSee"
+; Program version
+!define VERSION "3.0"
+
+; The file to write
+OutFile "GPXSee-${VERSION}.exe"
+
+; Required execution level 
+RequestExecutionLevel admin
+
+; The default installation directory
+InstallDir "$PROGRAMFILES\GPXSee"
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
+
+; Registry key for uninstaller
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; File types registry entries
+!define REGGPX "GPXSee.gpx"
+!define REGTCX "GPXSee.tcx"
+!define REGKML "GPXSee.kml"
+!define REGFIT "GPXSee.fit"
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+
+; The stuff to install
+Section "GPXSee (required)" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Create the uninstaller
+  WriteUninstaller "$INSTDIR\uninstall.exe" 
+
+  ; Write the installation path into the registry
+  DetailPrint "Registering application..."
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+
+  ; Associate file formats
+  DetailPrint "Associating file types..."
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".tcx" "" "${REGTCX}"
+  WriteRegStr HKCR "${REGTCX}" ""  "Training Center XML"
+  WriteRegStr HKCR "${REGTCX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,2"
+  WriteRegStr HKCR "${REGTCX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".kml" "" "${REGKML}"
+  WriteRegStr HKCR "${REGKML}" ""  "Keyhole Markup Language"
+  WriteRegStr HKCR "${REGKML}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,3"
+  WriteRegStr HKCR "${REGKML}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".fit" "" "${REGFIT}"
+  WriteRegStr HKCR "${REGFIT}" ""  "Flexible and Interoperable Data Transfer"
+  WriteRegStr HKCR "${REGFIT}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,4"
+  WriteRegStr HKCR "${REGFIT}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT libs" SEC_QT
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File "libGLESv2.dll"
+  File /r "platforms"
+  File /r "imageformats"
+  File /r "printsupport"
+ 
+SectionEnd
+
+Section "MSVC runtime" SEC_MSVC
+
+  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
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+  
+  ; Remove registry keys
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee
+
+  ; Remove directories used
+  RMDir /r "$INSTDIR"
+
+  ; Remove Start menu entries
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
+  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  DeleteRegKey HKCR "${REGTCX}"
+  DeleteRegKey HKCR ".tcx"
+  DeleteRegKey HKCR "${REGKML}"
+  DeleteRegKey HKCR ".kml"
+  DeleteRegKey HKCR "${REGFIT}"
+  DeleteRegKey HKCR ".fit"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'  
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT Library. Unselct only if you have QT already installed!"
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

pkg/gpxsee64.nsi

@@ -0,0 +1,203 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+
+; The name of the installer
+Name "GPXSee"
+; Program version
+!define VERSION "3.0"
+
+; The file to write
+OutFile "GPXSee-${VERSION}_x64.exe"
+
+; Required execution level 
+RequestExecutionLevel admin
+
+; The default installation directory
+InstallDir "$PROGRAMFILES64\GPXSee"
+
+; Registry key to check for directory (so if you install again, it will 
+; overwrite the old one automatically)
+InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
+
+; Registry key for uninstaller
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; File types registry entries
+!define REGGPX "GPXSee.gpx"
+!define REGTCX "GPXSee.tcx"
+!define REGKML "GPXSee.kml"
+!define REGFIT "GPXSee.fit"
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+Function .onInit  
+  ${If} ${RunningX64}
+    SetRegView 64
+  ${Else}  
+    MessageBox MB_OK "The 64b version of GPXSee can not be run on 32b systems."  
+    Abort  
+  ${EndIf}
+FunctionEnd 
+
+; The stuff to install
+Section "GPXSee (required)" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+  
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Create the uninstaller
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+  
+  ; Write the installation path into the registry
+  DetailPrint "Registering application..."
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+
+  ; Associate file formats
+  DetailPrint "Associating file types..."
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".tcx" "" "${REGTCX}"
+  WriteRegStr HKCR "${REGTCX}" ""  "Training Center XML"
+  WriteRegStr HKCR "${REGTCX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,2"
+  WriteRegStr HKCR "${REGTCX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".kml" "" "${REGKML}"
+  WriteRegStr HKCR "${REGKML}" ""  "Keyhole Markup Language"
+  WriteRegStr HKCR "${REGKML}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,3"
+  WriteRegStr HKCR "${REGKML}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  WriteRegStr HKCR ".fit" "" "${REGFIT}"
+  WriteRegStr HKCR "${REGFIT}" ""  "Flexible and Interoperable Data Transfer"
+  WriteRegStr HKCR "${REGFIT}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,4"
+  WriteRegStr HKCR "${REGFIT}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT libs" SEC_QT
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File "libGLESv2.dll"
+  File /r "platforms"
+  File /r "imageformats"
+  File /r "printsupport"
+ 
+SectionEnd
+
+Section "MSVC runtime" SEC_MSVC
+
+  DetailPrint "Checking whether Visual C++ 2015 Redistributable is already installed..."
+  ReadRegDword $R0 HKLM "SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" "Installed"
+  StrCmp $R0 "1" 0 +3
+  DetailPrint "Visual C++ 2015 Redistributable is already installed, skipping install."
+  Goto done
+
+  DetailPrint "Installing Visual C++ 2015 Redistributable..."
+  SetOutPath $TEMP
+  File "VC_redist.x64.exe"
+  ExecWait '"$TEMP/VC_redist.x64.exe" /install /quiet /norestart'
+
+  done:
+SectionEnd
+
+;--------------------------------
+
+; Uninstaller
+
+Section "Uninstall"
+  
+  ; Remove registry keys
+  SetRegView 64
+  DeleteRegKey HKLM "${REGENTRY}"
+  DeleteRegKey HKLM SOFTWARE\GPXSee
+
+  ; Remove directories used
+  RMDir /r "$INSTDIR"
+
+  ; Remove Start menu entries
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
+  Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+  
+  ; Remove File associations
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  DeleteRegKey HKCR "${REGTCX}"
+  DeleteRegKey HKCR ".tcx"
+  DeleteRegKey HKCR "${REGKML}"
+  DeleteRegKey HKCR ".kml"
+  DeleteRegKey HKCR "${REGFIT}"
+  DeleteRegKey HKCR ".fit"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT Library. Unselct only if you have QT already installed!"
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

pkg/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

src/app.cpp

@@ -0,0 +1,51 @@
+#include <QtGlobal>
+#include <QTranslator>
+#include <QLocale>
+#include <QFileOpenEvent>
+#include <QNetworkProxyFactory>
+#include "gui.h"
+#include "app.h"
+
+
+App::App(int &argc, char **argv) : QApplication(argc, argv),
+  _argc(argc), _argv(argv)
+{
+	_translator = new QTranslator();
+
+	QString locale = QLocale::system().name();
+	_translator->load(QString(":/lang/gpxsee_") + locale);
+	installTranslator(_translator);
+#ifdef Q_OS_MAC
+	setAttribute(Qt::AA_DontShowIconsInMenus);
+#endif // Q_OS_MAC
+
+	QNetworkProxyFactory::setUseSystemConfiguration(true);
+
+	_gui = new GUI();
+}
+
+App::~App()
+{
+	delete _gui;
+	delete _translator;
+}
+
+void App::run()
+{
+	_gui->show();
+
+	for (int i = 1; i < _argc; i++)
+		_gui->openFile(QString::fromLocal8Bit(_argv[i]));
+
+	exec();
+}
+
+bool App::event(QEvent *event)
+{
+	if (event->type() == QEvent::FileOpen) {
+		QFileOpenEvent *e = static_cast<QFileOpenEvent *>(event);
+		return _gui->openFile(e->file());
+	}
+
+	return QApplication::event(event);
+}

src/app.h

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

src/assert.h

@@ -0,0 +1,11 @@
+#ifndef ASSERT_H
+#define ASSERT_H
+
+template<bool> struct CompileTimeAssert;
+template<> struct CompileTimeAssert <true> {};
+
+#define STATIC_ASSERT(e) \
+	(CompileTimeAssert <(e) != 0>())
+
+#endif // ASSERT_H
+

src/axisitem.cpp

@@ -1,54 +1,22 @@
 #include <cmath>
 #include <QPainter>
 #include "config.h"
+#include "misc.h"
 #include "axisitem.h"
 
-#include <QDebug>
 
+#define AXIS_WIDTH  1
 #define TICK        6
 #define PADDING     6
 #define XTICKS      15
 #define YTICKS      10
 
-
 struct Label {
 	double min;
 	double max;
 	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;
@@ -67,27 +35,34 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 {
 	_type = type;
 	_size = 0;
+
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
-void AxisItem::setRange(const QPointF &range)
+void AxisItem::setRange(const RangeF &range)
 {
+	prepareGeometryChange();
 	_range = range;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::setSize(qreal size)
 {
+	prepareGeometryChange();
 	_size = size;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::setLabel(const QString& label)
 {
+	prepareGeometryChange();
 	_label = label;
 	updateBoundingRect();
-	prepareGeometryChange();
+	update();
 }
 
 void AxisItem::updateBoundingRect()
@@ -100,7 +75,7 @@ void AxisItem::updateBoundingRect()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -108,11 +83,21 @@ void AxisItem::updateBoundingRect()
 	if (_type == X) {
 		_boundingRect = QRectF(-ss.width()/2, -TICK/2,
 		_size + es.width()/2 + ss.width()/2,
-		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING);
+		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING + 1);
 	} else {
-		_boundingRect = QRectF(-(ls.height() + es.width() + 2*PADDING
-		  - fm.descent() + TICK/2), -(_size + es.height()/2
-		  + fm.descent()), ls.height() -fm.descent() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		_boundingRect = QRectF(-(ls.height() + mtw + 2*PADDING + TICK/2),
+		  -(_size + es.height()/2 + fm.descent()), ls.height() + mtw + 2*PADDING
 		  + TICK, _size + es.height()/2 + fm.descent() + ss.height()/2);
 	}
 }
@@ -125,28 +110,32 @@ 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;
-	qreal range = _range.y() - _range.x();
+	qreal range = _range.size();
 	qreal val;
+	QPen pen = QPen(Qt::black, AXIS_WIDTH);
 
 
+	painter->setRenderHint(QPainter::Antialiasing, false);
+	painter->setFont(font);
+	painter->setPen(pen);
+
 	ls = fm.tightBoundingRect(_label);
 
 	if (_type == X) {
 		painter->drawLine(0, 0, _size, 0);
 
-		l = label(_range.x(), _range.y(), XTICKS);
+		l = label(_range.min(), _range.max(), XTICKS);
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine((_size/range) * (val - _range.x()), TICK/2,
-			  (_size/range) * (val - _range.x()), -TICK/2);
+			painter->drawLine((_size/range) * (val - _range.min()), TICK/2,
+			  (_size/range) * (val - _range.min()), -TICK/2);
 			ts = fm.tightBoundingRect(str);
-			painter->drawText(((_size/range) * (val - _range.x()))
+			painter->drawText(((_size/range) * (val - _range.min()))
 			  - (ts.width()/2), ts.height() + TICK/2 + PADDING, str);
 		}
 
@@ -155,21 +144,23 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	} else {
 		painter->drawLine(0, 0, 0, -_size);
 
-		l = label(_range.x(), _range.y(), YTICKS);
+		l = label(_range.min(), _range.max(), YTICKS);
+		int mtw = 0;
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine(TICK/2, -((_size/range) * (val - _range.x())),
-			  -TICK/2, -((_size/range) * (val - _range.x())));
+			painter->drawLine(TICK/2, -((_size/range) * (val - _range.min())),
+			  -TICK/2, -((_size/range) * (val - _range.min())));
 			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
 			painter->drawText(-(ts.width() + PADDING + TICK/2), -((_size/range)
-			  * (val - _range.x())) + (ts.height()/2), str);
+			  * (val - _range.min())) + (ts.height()/2), str);
 		}
 
 		painter->rotate(-90);
-		painter->drawText(_size/2 - ls.width()/2, -(ts.width()
-		  + 2*PADDING + TICK/2), _label);
+		painter->drawText(_size/2 - ls.width()/2, -(mtw + 2*PADDING + TICK/2),
+		  _label);
 		painter->rotate(90);
 	}
 
@@ -179,7 +170,7 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 */
 }
 
-QSizeF AxisItem::margin()
+QSizeF AxisItem::margin() const
 {
 	QFont font;
 	font.setPixelSize(FONT_SIZE);
@@ -188,7 +179,7 @@ QSizeF AxisItem::margin()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -197,7 +188,31 @@ QSizeF AxisItem::margin()
 		return QSizeF(es.width()/2,
 		  ls.height() + es.height() - fm.descent() + TICK/2 + 2*PADDING);
 	} else {
-		return QSizeF(ls.height() -fm.descent() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		return QSizeF(ls.height() -fm.descent() + mtw + 2*PADDING
 		  + TICK/2, es.height()/2 + fm.descent());
 	}
 }
+
+QList<qreal> AxisItem::ticks() const
+{
+	struct Label l;
+	QList<qreal> list;
+
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
+	for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++)
+		list.append(((_size/_range.size()) * ((l.min + i * l.d)
+		  - _range.min())));
+
+	return list;
+}

src/axisitem.h

@@ -2,6 +2,7 @@
 #define AXISITEM_H
 
 #include <QGraphicsItem>
+#include "range.h"
 
 class AxisItem : public QGraphicsItem
 {
@@ -14,17 +15,18 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
-	void setRange(const QPointF &range);
+	void setRange(const RangeF &range);
 	void setSize(qreal size);
 	void setLabel(const QString& label);
 
-	QSizeF margin();
+	QSizeF margin() const;
+	QList<qreal> ticks() const;
 
 private:
 	void updateBoundingRect();
 
 	Type _type;
-	QPointF _range;
+	RangeF _range;
 	qreal _size;
 	QString _label;
 	QRectF _boundingRect;

src/cadencegraph.cpp

@@ -0,0 +1,84 @@
+#include "data.h"
+#include "cadencegraph.h"
+
+
+CadenceGraph::CadenceGraph(QWidget *parent) : GraphTab(parent)
+{
+	_units = Metric;
+	_showTracks = true;
+
+	GraphView::setYUnits(tr("1/min"));
+	setYLabel(tr("Cadence"));
+
+	setSliderPrecision(1);
+}
+
+void CadenceGraph::setInfo()
+{
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
+}
+
+void CadenceGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	for (int i = 0; i < data.tracks().count(); i++) {
+		const Graph &graph = data.tracks().at(i)->cadence();
+		qreal sum = 0, w = 0;
+
+		if (graph.size() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < graph.size(); j++) {
+			qreal ds = graph.at(j).s() - graph.at(j-1).s();
+			sum += graph.at(j).y() * ds;
+			w += ds;
+		}
+		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+
+		GraphView::loadGraph(graph, paths.at(i));
+	}
+
+	for (int i = 0; i < data.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
+}
+
+qreal CadenceGraph::avg() const
+{
+	qreal sum = 0, w = 0;
+	QList<QPointF>::const_iterator it;
+
+	for (it = _avg.begin(); it != _avg.end(); it++) {
+		sum += it->y() * it->x();
+		w += it->x();
+	}
+
+	return (sum / w);
+}
+
+void CadenceGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void CadenceGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
+}

src/cadencegraph.h

@@ -0,0 +1,31 @@
+#ifndef CADENCEGRAPH_H
+#define CADENCEGRAPH_H
+
+#include "graphtab.h"
+
+class CadenceGraph : public GraphTab
+{
+	Q_OBJECT
+
+public:
+	CadenceGraph(QWidget *parent = 0);
+
+	QString label() const {return tr("Cadence");}
+	void loadData(const Data &data, const QList<PathItem *> &paths);
+	void clear();
+	void setUnits(enum Units) {}
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
+
+private:
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+	void setInfo();
+
+	QList<QPointF> _avg;
+
+	enum Units _units;
+	bool _showTracks;
+};
+
+#endif // CADENCEGRAPH_H

src/config.h

@@ -1,13 +1,37 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#define APP_NAME       "GPXSee"
-#define APP_HOMEPAGE   "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "1.0"
+#include <QtGlobal>
+#include <QDir>
+#include <QApplication>
+#include <QString>
 
-#define FONT_FAMILY    "Arial"
-#define FONT_SIZE      12
+#define APP_NAME        "GPXSee"
+#define APP_HOMEPAGE    "http://tumic.wz.cz/gpxsee"
 
-#define THIN_SPACE     QString::fromUtf8("\xE2\x80\x89")
+#define FONT_FAMILY     "Arial"
+#define FONT_SIZE       12
+#define SCREEN_DPI      96.0
+
+#define MAP_FILE        QString("maps.txt")
+#define POI_DIR         QString("POI")
+
+#if defined(Q_OS_WIN32)
+#define USER_DIR        QDir::homePath() + QString("/GPXSee")
+#define GLOBAL_DIR      QApplication::applicationDirPath()
+#elif defined(Q_OS_MAC)
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QApplication::applicationDirPath() \
+                          + QString("/../Resources")
+#else
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QString("/usr/share/gpxsee")
+#endif
+
+#define USER_MAP_FILE   USER_DIR + QString("/") + MAP_FILE
+#define USER_POI_DIR    USER_DIR + QString("/") + POI_DIR
+#define GLOBAL_MAP_FILE GLOBAL_DIR + QString("/") + MAP_FILE
+#define GLOBAL_POI_DIR  GLOBAL_DIR + QString("/") + POI_DIR
+#define TILES_DIR       USER_DIR + QString("/tiles")
 
 #endif /* CONFIG_H */

src/coordinates.cpp

@@ -0,0 +1,37 @@
+#include "rd.h"
+#include "wgs84.h"
+#include "coordinates.h"
+
+
+qreal Coordinates::distanceTo(const Coordinates &c) const
+{
+	qreal dLat = deg2rad(c.lat() - _lat);
+	qreal dLon = deg2rad(c.lon() - _lon);
+	qreal a = pow(sin(dLat / 2.0), 2.0)
+	  + cos(deg2rad(_lat)) * cos(deg2rad(c.lat())) * pow(sin(dLon / 2.0), 2.0);
+
+	return (WGS84_RADIUS * (2.0 * atan2(sqrt(a), sqrt(1.0 - a))));
+}
+
+QPointF Coordinates::toMercator() const
+{
+	return QPointF(_lon, rad2deg(log(tan(M_PI/4.0 + deg2rad(_lat)/2.0))));
+}
+
+Coordinates Coordinates::fromMercator(const QPointF &m)
+{
+	return Coordinates(m.x(), rad2deg(2 * atan(exp(deg2rad(m.y()))) - M_PI/2));
+}
+
+bool operator==(const Coordinates &c1, const Coordinates &c2)
+{
+	return (c1.lat() == c2.lat() && c1.lon() == c2.lon());
+}
+
+QDebug operator<<(QDebug dbg, const Coordinates &coordinates)
+{
+	dbg.nospace() << "Coordinates(" << coordinates.lon() << ", "
+	  << coordinates.lat() << ")";
+
+	return dbg.maybeSpace();
+}

src/coordinates.h

@@ -0,0 +1,40 @@
+#ifndef COORDINATES_H
+#define COORDINATES_H
+
+#include <cmath>
+#include <QPointF>
+#include <QDebug>
+
+class Coordinates
+{
+public:
+	Coordinates() {_lon = NAN; _lat = NAN;}
+	Coordinates(const Coordinates &c) {_lon = c._lon; _lat = c._lat;}
+	Coordinates(qreal lon, qreal lat) {_lon = lon; _lat = lat;}
+
+	qreal &rlon() {return _lon;}
+	qreal &rlat() {return _lat;}
+	void setLon(qreal lon) {_lon = lon;}
+	void setLat(qreal lat) {_lat = lat;}
+	qreal lon() const {return _lon;}
+	qreal lat() const {return _lat;}
+
+	bool isNull() const
+		{return (std::isnan(_lon) || std::isnan(_lat)) ? true : false;}
+	bool isValid() const
+		{return (_lon >= -180.0 && _lon <= 180.0 && _lat >= -90.0
+		&& _lat <= 90.0) ? true : false;}
+
+	qreal distanceTo(const Coordinates &c) const;
+
+	QPointF toMercator() const;
+	static Coordinates fromMercator(const QPointF &m);
+
+private:
+	qreal _lat, _lon;
+};
+
+bool operator==(const Coordinates &c1, const Coordinates &c2);
+QDebug operator<<(QDebug dbg, const Coordinates &trackpoint);
+
+#endif // COORDINATES_H

src/cpuarch.h

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

src/csvparser.cpp

@@ -0,0 +1,48 @@
+#include "csvparser.h"
+
+bool CSVParser::loadFile(QFile *file)
+{
+	bool res;
+	int ln = 1;
+
+	_errorLine = 0;
+	_errorString.clear();
+
+	while (!file->atEnd()) {
+		QByteArray line = file->readLine();
+		QList<QByteArray> list = line.split(',');
+		if (list.size() < 3) {
+			_errorString = "Parse error";
+			_errorLine = ln;
+			return false;
+		}
+
+		qreal lat = list[0].trimmed().toDouble(&res);
+		if (!res || (lat < -90.0 || lat > 90.0)) {
+			_errorString = "Invalid latitude";
+			_errorLine = ln;
+			return false;
+		}
+		qreal lon = list[1].trimmed().toDouble(&res);
+		if (!res || (lon < -180.0 || lon > 180.0)) {
+			_errorString = "Invalid longitude";
+			_errorLine = ln;
+			return false;
+		}
+		Waypoint wp(Coordinates(lon, lat));
+
+		QByteArray ba = list[2].trimmed();
+		QString name = QString::fromUtf8(ba.data(), ba.size());
+		wp.setName(name);
+
+		if (list.size() > 3) {
+			ba = list[3].trimmed();
+			wp.setDescription(QString::fromUtf8(ba.data(), ba.size()));
+		}
+
+		_waypoints.append(wp);
+		ln++;
+	}
+
+	return true;
+}

src/csvparser.h

@@ -0,0 +1,23 @@
+#ifndef CSVPARSER_H
+#define CSVPARSER_H
+
+#include "parser.h"
+
+class CSVParser : public Parser
+{
+public:
+	CSVParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints)
+	  {_errorLine = 0;}
+	~CSVParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _errorString;}
+	int errorLine() const {return _errorLine;}
+
+private:
+	QString _errorString;
+	int _errorLine;
+};
+
+#endif // CSVPARSER_H

src/data.cpp

@@ -0,0 +1,89 @@
+#include <QFile>
+#include <QFileInfo>
+#include <QLineF>
+#include "gpxparser.h"
+#include "tcxparser.h"
+#include "csvparser.h"
+#include "kmlparser.h"
+#include "fitparser.h"
+#include "data.h"
+
+
+Data::Data() : _errorLine(0)
+{
+	_parsers.insert("gpx", new GPXParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("tcx", new TCXParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("kml", new KMLParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("fit", new FITParser(_trackData, _routeData,
+	  _waypointData));
+	_parsers.insert("csv", new CSVParser(_trackData, _routeData,
+	  _waypointData));
+}
+
+Data::~Data()
+{
+	QHash<QString, Parser*>::iterator it;
+
+	for (it = _parsers.begin(); it != _parsers.end(); it++)
+		delete it.value();
+
+	for (int i = 0; i < _tracks.count(); i++)
+		delete _tracks.at(i);
+	for (int i = 0; i < _routes.count(); i++)
+		delete _routes.at(i);
+}
+
+void Data::createData()
+{
+	for (int i = 0; i < _trackData.count(); i++)
+		_tracks.append(new Track(_trackData.at(i)));
+	for (int i = 0; i < _routeData.count(); i++)
+		_routes.append(new Route(_routeData.at(i)));
+}
+
+bool Data::loadFile(const QString &fileName)
+{
+	QFile file(fileName);
+	QFileInfo fi(fileName);
+
+
+	_errorString.clear();
+	_errorLine = 0;
+
+	if (!file.open(QFile::ReadOnly)) {
+		_errorString = qPrintable(file.errorString());
+		return false;
+	}
+
+	QHash<QString, Parser*>::iterator it;
+	if ((it = _parsers.find(fi.suffix().toLower())) != _parsers.end()) {
+		if (it.value()->loadFile(&file)) {
+			createData();
+			return true;
+		}
+
+		_errorLine = it.value()->errorLine();
+		_errorString = it.value()->errorString();
+	} else {
+		for (it = _parsers.begin(); it != _parsers.end(); it++) {
+			if (it.value()->loadFile(&file)) {
+				createData();
+				return true;
+			}
+			file.reset();
+		}
+
+		fprintf(stderr, "Error loading data file: %s:\n", qPrintable(fileName));
+		for (it = _parsers.begin(); it != _parsers.end(); it++)
+			fprintf(stderr, "%s: line %d: %s\n", qPrintable(it.key()),
+			  it.value()->errorLine(), qPrintable(it.value()->errorString()));
+
+		_errorLine = 0;
+		_errorString = "Unknown format";
+	}
+
+	return false;
+}

src/data.h

@@ -0,0 +1,44 @@
+#ifndef DATA_H
+#define DATA_H
+
+#include <QVector>
+#include <QList>
+#include <QHash>
+#include <QPointF>
+#include <QString>
+#include "waypoint.h"
+#include "track.h"
+#include "route.h"
+#include "parser.h"
+
+
+class Data
+{
+public:
+	Data();
+	~Data();
+
+	bool loadFile(const QString &fileName);
+	const QString &errorString() const {return _errorString;}
+	int errorLine() const {return _errorLine;}
+
+	const QList<Track*> &tracks() const {return _tracks;}
+	const QList<Route*> &routes() const {return _routes;}
+	const QList<Waypoint> &waypoints() const {return _waypointData;}
+
+private:
+	void createData();
+
+	QString _errorString;
+	int _errorLine;
+	QHash<QString, Parser*> _parsers;
+
+	QList<Track*> _tracks;
+	QList<Route*> _routes;
+
+	QList<TrackData> _trackData;
+	QList<RouteData> _routeData;
+	QList<Waypoint> _waypointData;
+};
+
+#endif // DATA_H

src/downloader.cpp

@@ -0,0 +1,95 @@
+#include <QFile>
+#include <QFileInfo>
+#include "config.h"
+#include "downloader.h"
+
+
+#if defined(Q_OS_LINUX)
+#define PLATFORM_STR "Linux"
+#elif defined(Q_OS_WIN32)
+#define PLATFORM_STR "Windows"
+#elif defined(Q_OS_MAC)
+#define PLATFORM_STR "OS X"
+#else
+#define PLATFORM_STR "Unknown"
+#endif
+
+#define USER_AGENT \
+	APP_NAME "/" APP_VERSION " (" PLATFORM_STR "; Qt " QT_VERSION_STR ")"
+
+Downloader::Downloader()
+{
+	connect(&_manager, SIGNAL(finished(QNetworkReply*)),
+			SLOT(downloadFinished(QNetworkReply*)));
+}
+
+bool Downloader::doDownload(const Download &dl)
+{
+	QUrl url(dl.url());
+
+	if (_errorDownloads.contains(url))
+		return false;
+
+	QNetworkRequest request(url);
+	request.setAttribute(QNetworkRequest::User, QVariant(dl.file()));
+	request.setRawHeader("User-Agent", USER_AGENT);
+	QNetworkReply *reply = _manager.get(request);
+
+	_currentDownloads.append(reply);
+
+	return true;
+}
+
+bool Downloader::saveToDisk(const QString &filename, QIODevice *data)
+{
+	QFile file(filename);
+
+	if (!file.open(QIODevice::WriteOnly)) {
+		fprintf(stderr, "Error writing map tile: %s: %s\n",
+		  qPrintable(filename), qPrintable(file.errorString()));
+		return false;
+	}
+
+	file.write(data->readAll());
+	file.close();
+
+	return true;
+}
+
+void Downloader::downloadFinished(QNetworkReply *reply)
+{
+	QUrl url = reply->url();
+	if (reply->error()) {
+		_errorDownloads.insert(url);
+		fprintf(stderr, "Error downloading map tile: %s: %s\n",
+		  url.toEncoded().constData(), qPrintable(reply->errorString()));
+	} else {
+		QUrl redirect = reply->attribute(
+		  QNetworkRequest::RedirectionTargetAttribute).toUrl();
+		QString filename = reply->request().attribute(QNetworkRequest::User)
+		  .toString();
+
+		if (!redirect.isEmpty()) {
+			Download dl(redirect, filename);
+			doDownload(dl);
+		} else
+			if (!saveToDisk(filename, reply))
+				_errorDownloads.insert(url);
+	}
+
+	_currentDownloads.removeAll(reply);
+	reply->deleteLater();
+
+	if (_currentDownloads.isEmpty())
+		emit finished();
+}
+
+bool Downloader::get(const QList<Download> &list)
+{
+	bool finishEmitted = false;
+
+	for (int i = 0; i < list.count(); i++)
+		finishEmitted |= doDownload(list.at(i));
+
+	return finishEmitted;
+}

src/downloader.h

@@ -0,0 +1,54 @@
+#ifndef DOWNLOADER_H
+#define DOWNLOADER_H
+
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QUrl>
+#include <QList>
+#include <QSet>
+
+
+class Download
+{
+public:
+	Download(const QUrl &url, const QString &file)
+		{_url = url; _file = file;}
+	const QUrl& url() const {return _url;}
+	const QString& file() const {return _file;}
+
+private:
+	QUrl _url;
+	QString _file;
+};
+
+
+class Downloader : public QObject
+{
+	Q_OBJECT
+
+public:
+	static Downloader& instance()
+		{static Downloader i; return i;}
+	bool get(const QList<Download> &list);
+
+signals:
+	void finished();
+
+private slots:
+	void downloadFinished(QNetworkReply *reply);
+
+private:
+	Downloader();
+	Downloader(Downloader const&);
+	void operator=(Downloader const&);
+
+	bool doDownload(const Download &dl);
+	bool saveToDisk(const QString &filename, QIODevice *data);
+
+	QNetworkAccessManager _manager;
+	QList<QNetworkReply *> _currentDownloads;
+	QSet<QUrl> _errorDownloads;
+};
+
+#endif // DOWNLOADER_H

src/elevationgraph.cpp

@@ -1,71 +1,234 @@
-#include <float.h>
+#include <cmath>
 #include "config.h"
+#include "data.h"
 #include "elevationgraph.h"
 
-ElevationGraph::ElevationGraph(QWidget *parent) : Graph(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);
+static qreal nMin(qreal a, qreal b)
+{
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMin(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
 }
 
-void ElevationGraph::loadGPX(const GPX &gpx)
+static qreal nMax(qreal a, qreal b)
 {
-	QVector<QPointF> data;
-	qreal min, max, ascent = 0, descent = 0;
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMax(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
 
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
+{
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
 
-	gpx.elevationGraph(data);
-	if (data.isEmpty())
+	_showRoutes = true;
+	_showTracks = true;
+
+	_units = Metric;
+
+	setYUnits();
+	setYLabel(tr("Elevation"));
+
+	setMinYRange(50.0);
+}
+
+void ElevationGraph::setInfo()
+{
+	if (std::isnan(max()) || std::isnan(min()))
+		clearInfo();
+	else {
+		GraphView::addInfo(tr("Ascent"), QString::number(ascent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Descent"), QString::number(descent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+	}
+}
+
+void ElevationGraph::loadGraph(const Graph &graph, Type type, PathItem *path)
+{
+	qreal ascent = 0, descent = 0;
+	qreal min, max;
+
+	if (graph.size() < 2) {
+		skipColor();
 		return;
+	}
 
-	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();
+	max = min = graph.at(0).y();
+	for (int j = 1; j < graph.size(); j++) {
+		qreal cur = graph.at(j).y();
+		qreal prev = graph.at(j-1).y();
 
 		if (cur > prev)
 			ascent += cur - prev;
 		if (cur < prev)
 			descent += prev - cur;
 
-		if (cur > max)
-			max = cur;
 		if (cur < min)
 			min = cur;
+		if (cur > max)
+			max = cur;
 	}
 
-	_ascent += ascent;
-	_descent += descent;
-	_max = qMax(_max, max);
-	_min = qMin(_min, min);
+	if (type == Track) {
+		_trackAscent += ascent;
+		_trackDescent += descent;
+		_trackMax = nMax(_trackMax, max);
+		_trackMin = nMin(_trackMin, min);
+	} else {
+		_routeAscent += ascent;
+		_routeDescent += descent;
+		_routeMax = nMax(_routeMax, max);
+		_routeMin = nMin(_routeMin, min);
+	}
 
-	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);
+	GraphView::loadGraph(graph, path, type);
+}
 
-	Graph::loadData(data);
+void ElevationGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	int p = 0;
+
+	for (int i = 0; i < data.tracks().count(); i++)
+		loadGraph(data.tracks().at(i)->elevation(), Track, paths.at(p++));
+	for (int i = 0; i < data.routes().count(); i++)
+		loadGraph(data.routes().at(i)->elevation(), Route, paths.at(p++));
+
+	setInfo();
+
+	redraw();
 }
 
 void ElevationGraph::clear()
 {
-	_ascent = 0;
-	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
 
-	Graph::clear();
+	GraphView::clear();
+}
+
+void ElevationGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("m"));
+		setYScale(1);
+	} else {
+		GraphView::setYUnits(tr("ft"));
+		setYScale(M2FT);
+	}
+}
+
+void ElevationGraph::setUnits(enum Units units)
+{
+	_units = units;
+
+	setYUnits();
+	setInfo();
+	GraphView::setUnits(units);
+
+	redraw();
+}
+
+void ElevationGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	setInfo();
+	showGraph(show, Track);
+
+	redraw();
+}
+
+void ElevationGraph::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	showGraph(show, Route);
+	setInfo();
+
+	redraw();
+}
+
+qreal ElevationGraph::ascent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeAscent;
+	if (_showTracks)
+		val += _trackAscent;
+
+	return val;
+}
+
+qreal ElevationGraph::descent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeDescent;
+	if (_showTracks)
+		val += _trackDescent;
+
+	return val;
+}
+
+qreal ElevationGraph::max() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMax(_routeMax, _trackMax);
+	else if (_showTracks)
+		val = _trackMax;
+	else if (_showRoutes)
+		val = _routeMax;
+	else
+		val = NAN;
+
+	return val;
+}
+
+qreal ElevationGraph::min() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMin(_routeMin, _trackMin);
+	else if (_showTracks)
+		val = _trackMin;
+	else if (_showRoutes)
+		val = _routeMin;
+	else
+		val = NAN;
+
+	return val;
 }

src/elevationgraph.h

@@ -1,27 +1,42 @@
 #ifndef ELEVATIONGRAPH_H
 #define ELEVATIONGRAPH_H
 
-#include "graph.h"
-#include "gpx.h"
+#include "graphtab.h"
 
-class ElevationGraph : public Graph
+class ElevationGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	ElevationGraph(QWidget *parent = 0);
 
-	void loadGPX(const GPX &gpx);
+	QString label() const {return tr("Elevation");}
+	void loadData(const Data &data, const QList<PathItem *> &paths);
 	void clear();
-
-	qreal ascent() const {return _ascent;}
-	qreal descent() const {return _descent;}
-	qreal max() const {return _max;}
-	qreal min() const {return _min;}
+	void setUnits(enum Units units);
+	void showTracks(bool show);
+	void showRoutes(bool show);
 
 private:
-	qreal _ascent, _descent;
-	qreal _max, _min;
+	enum Type {Track, Route};
+
+	qreal max() const;
+	qreal min() const;
+	qreal ascent() const;
+	qreal descent() const;
+
+	void setYUnits();
+	void setInfo();
+
+	void loadGraph(const Graph &graph, Type type, PathItem *path);
+
+	qreal _trackAscent, _trackDescent;
+	qreal _routeAscent, _routeDescent;
+	qreal _trackMax, _routeMax;
+	qreal _trackMin, _routeMin;
+
+	enum Units _units;
+	bool _showTracks, _showRoutes;
 };
 
 #endif // ELEVATIONGRAPH_H

src/exportdialog.cpp

@@ -0,0 +1,175 @@
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QFormLayout>
+#include <QGridLayout>
+#include <QDialogButtonBox>
+#include <QGroupBox>
+#include <QComboBox>
+#include <QRadioButton>
+#include <QPushButton>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QTabWidget>
+#include <QDoubleSpinBox>
+#include <QLocale>
+#include "fileselectwidget.h"
+#include "units.h"
+#include "exportdialog.h"
+
+
+ExportDialog::ExportDialog(QPrinter *printer, QWidget *parent)
+  : QDialog(parent), _printer(printer)
+{
+	int index;
+
+	_units = (QLocale::system().measurementSystem()
+	  == QLocale::ImperialSystem) ? QPrinter::Inch : QPrinter::Millimeter;
+
+	_fileSelect = new FileSelectWidget();
+	_fileSelect->setFilter(tr("PDF files (*.pdf);;All files (*)"));
+	_fileSelect->setFile(_printer->outputFileName());
+
+	_paperSize = new QComboBox();
+	_paperSize->addItem("A3", QPrinter::A3);
+	_paperSize->addItem("A4", QPrinter::A4);
+	_paperSize->addItem("A5", QPrinter::A5);
+	_paperSize->addItem("Tabloid", QPrinter::Tabloid);
+	_paperSize->addItem("Legal", QPrinter::Legal);
+	_paperSize->addItem("Letter", QPrinter::Letter);
+	if ((index = _paperSize->findData(_printer->paperSize())) >= 0)
+		_paperSize->setCurrentIndex(index);
+
+	_portrait = new QRadioButton(tr("Portrait"));
+	_landscape = new QRadioButton(tr("Landscape"));
+	QHBoxLayout *orientationLayout = new QHBoxLayout();
+	orientationLayout->addWidget(_portrait);
+	orientationLayout->addWidget(_landscape);
+	if (_printer->orientation() == QPrinter::Portrait)
+		_portrait->setChecked(true);
+	else
+		_landscape->setChecked(true);
+
+	qreal top, bottom, left, right;
+
+	_printer->getPageMargins(&left, &top, &right, &bottom, _units);
+	QString us = _units == QPrinter::Inch ? tr("in") : tr("mm");
+	_topMargin = new QDoubleSpinBox();
+	_bottomMargin = new QDoubleSpinBox();
+	_leftMargin = new QDoubleSpinBox();
+	_rightMargin = new QDoubleSpinBox();
+	_topMargin->setValue(top);
+	_topMargin->setSuffix(UNIT_SPACE + us);
+	_bottomMargin->setValue(bottom);
+	_bottomMargin->setSuffix(UNIT_SPACE + us);
+	_leftMargin->setValue(left);
+	_leftMargin->setSuffix(UNIT_SPACE + us);
+	_rightMargin->setValue(right);
+	_rightMargin->setSuffix(UNIT_SPACE + us);
+	if (_units == QPrinter::Inch) {
+		_topMargin->setSingleStep(0.1);
+		_bottomMargin->setSingleStep(0.1);
+		_leftMargin->setSingleStep(0.1);
+		_rightMargin->setSingleStep(0.1);
+	}
+
+	QGridLayout *marginsLayout = new QGridLayout();
+	marginsLayout->addWidget(_topMargin, 0, 0, 1, 2, Qt::AlignCenter);
+	marginsLayout->addWidget(_leftMargin, 1, 0, 1, 1, Qt::AlignRight);
+	marginsLayout->addWidget(_rightMargin, 1, 1, 1, 1, Qt::AlignLeft);
+	marginsLayout->addWidget(_bottomMargin, 2, 0, 1, 2, Qt::AlignCenter);
+
+#ifndef Q_OS_MAC
+	QGroupBox *pageSetupBox = new QGroupBox(tr("Page Setup"));
+#endif // Q_OS_MAC
+	QFormLayout *pageSetupLayout = new QFormLayout;
+	pageSetupLayout->addRow(tr("Page size:"), _paperSize);
+	pageSetupLayout->addRow(tr("Orientation:"), orientationLayout);
+	pageSetupLayout->addRow(tr("Margins:"), marginsLayout);
+#ifdef Q_OS_MAC
+	QFrame *line = new QFrame();
+	line->setFrameShape(QFrame::HLine);
+	line->setFrameShadow(QFrame::Sunken);
+	pageSetupLayout->addRow(line);
+	pageSetupLayout->addRow(tr("File:"), _fileSelect);
+	pageSetupLayout->setFieldGrowthPolicy(QFormLayout::ExpandingFieldsGrow);
+#else // Q_OS_MAC
+	pageSetupBox->setLayout(pageSetupLayout);
+#endif // Q_OS_MAC
+
+#ifndef Q_OS_MAC
+	QGroupBox *outputFileBox = new QGroupBox(tr("Output file"));
+	QHBoxLayout *outputFileLayout = new QHBoxLayout();
+	outputFileLayout->addWidget(_fileSelect);
+	outputFileBox->setLayout(outputFileLayout);
+#endif // Q_OS_MAC
+
+	QDialogButtonBox *buttonBox = new QDialogButtonBox();
+	buttonBox->addButton(tr("Export"), QDialogButtonBox::AcceptRole);
+	buttonBox->addButton(QDialogButtonBox::Cancel);
+	connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+	connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+
+	QVBoxLayout *layout = new QVBoxLayout;
+#ifdef Q_OS_MAC
+	layout->addLayout(pageSetupLayout);
+#else // Q_OS_MAC
+	layout->addWidget(pageSetupBox);
+	layout->addWidget(outputFileBox);
+#endif // Q_OS_MAC
+	layout->addWidget(buttonBox);
+	setLayout(layout);
+
+	setWindowTitle(tr("Export to PDF"));
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+}
+
+bool ExportDialog::checkFile()
+{
+	if (_fileSelect->file().isEmpty()) {
+		QMessageBox::warning(this, tr("Error"), tr("No output file selected."));
+		return false;
+	}
+
+	QFile file(_fileSelect->file());
+	QFileInfo fi(file);
+	bool exists = fi.exists();
+	bool opened = false;
+
+	if (exists && fi.isDir()) {
+		QMessageBox::warning(this, tr("Error"), tr("%1 is a directory.")
+		  .arg(file.fileName()));
+		return false;
+	} else if ((exists && !fi.isWritable())
+	  || !(opened = file.open(QFile::Append))) {
+		QMessageBox::warning(this, tr("Error"), tr("%1 is not writable.")
+		  .arg(file.fileName()));
+		return false;
+	}
+	if (opened) {
+		file.close();
+		if (!exists)
+			file.remove();
+	}
+
+	return true;
+}
+
+void ExportDialog::accept()
+{
+	if (!checkFile())
+		return;
+
+	QPrinter::Orientation orientation = _portrait->isChecked()
+	  ? QPrinter::Portrait : QPrinter::Landscape;
+	QPrinter::PaperSize paperSize = static_cast<QPrinter::PaperSize>
+	  (_paperSize->itemData(_paperSize->currentIndex()).toInt());
+
+	_printer->setOutputFormat(QPrinter::PdfFormat);
+	_printer->setOutputFileName(_fileSelect->file());
+	_printer->setPaperSize(paperSize);
+	_printer->setOrientation(orientation);
+	_printer->setPageMargins(_leftMargin->value(), _topMargin->value(),
+	  _rightMargin->value(), _bottomMargin->value(), _units);
+
+	QDialog::accept();
+}

src/exportdialog.h

@@ -0,0 +1,39 @@
+#ifndef EXPORTDIALOG_H
+#define EXPORTDIALOG_H
+
+#include <QDialog>
+#include <QPrinter>
+
+class QComboBox;
+class QRadioButton;
+class FileSelectWidget;
+class QDoubleSpinBox;
+
+class ExportDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	ExportDialog(QPrinter *printer, QWidget *parent = 0);
+
+public slots:
+	void accept();
+
+private:
+	bool checkFile();
+
+	QPrinter *_printer;
+
+	QPrinter::Unit _units;
+
+	FileSelectWidget *_fileSelect;
+	QComboBox *_paperSize;
+	QRadioButton *_portrait;
+	QRadioButton *_landscape;
+	QDoubleSpinBox *_topMargin;
+	QDoubleSpinBox *_bottomMargin;
+	QDoubleSpinBox *_leftMargin;
+	QDoubleSpinBox *_rightMargin;
+};
+
+#endif // EXPORTDIALOG_H

src/filebrowser.cpp

@@ -2,8 +2,6 @@
 #include <QDir>
 #include "filebrowser.h"
 
-#include <QDebug>
-
 
 FileBrowser::FileBrowser(QObject *parent) : QObject(parent)
 {
@@ -43,6 +41,16 @@ void FileBrowser::setFilter(const QStringList &filter)
 		reloadDirectory(_files.last().canonicalPath());
 }
 
+bool FileBrowser::isLast() const
+{
+	return (_files.size() > 0 && _index == _files.size() - 1);
+}
+
+bool FileBrowser::isFirst() const
+{
+	return (_files.size() > 0 && _index == 0);
+}
+
 QString FileBrowser::next()
 {
 	if (_index < 0 || _index == _files.size() - 1)
@@ -59,6 +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);

src/filebrowser.h

@@ -20,6 +20,11 @@ public:
 
 	QString next();
 	QString prev();
+	QString last();
+	QString first();
+
+	bool isLast() const;
+	bool isFirst() const;
 
 private slots:
 	void reloadDirectory(const QString &path);

src/fileselectwidget.cpp

@@ -0,0 +1,43 @@
+#include <QPushButton>
+#include <QToolButton>
+#include <QFileDialog>
+#include <QHBoxLayout>
+#include <QFileInfo>
+#include <QApplication>
+#include <QFontMetrics>
+#include "fileselectwidget.h"
+
+
+FileSelectWidget::FileSelectWidget(QWidget *parent) : QWidget(parent)
+{
+	QFontMetrics fm(QApplication::font());
+	_edit = new QLineEdit();
+	_edit->setMinimumWidth(fm.boundingRect(QDir::homePath()).width());
+#ifdef Q_OS_WIN32
+	_button = new QPushButton("...");
+	_button->setMaximumWidth(_button->sizeHint().width() / 2);
+#else // Q_OS_WIN32
+	_button = new QToolButton();
+	_button->setText("...");
+#endif // Q_OS_WIN32
+	connect(_button, SIGNAL(clicked()), this, SLOT(browse()));
+
+	QHBoxLayout *layout = new QHBoxLayout();
+	layout->setMargin(0);
+	layout->addWidget(_edit);
+	layout->addWidget(_button);
+	setLayout(layout);
+
+	QSizePolicy p(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
+	setSizePolicy(p);
+}
+
+void FileSelectWidget::browse()
+{
+	QFileInfo fi(_edit->text());
+	QString fileName = QFileDialog::getSaveFileName(this, tr("Select file"),
+	  fi.dir().absolutePath(), _filter);
+
+	if (!fileName.isEmpty())
+		_edit->setText(fileName);
+}

src/fileselectwidget.h

@@ -0,0 +1,35 @@
+#ifndef FILESELECTWIDGET_H
+#define FILESELECTWIDGET_H
+
+#include <QWidget>
+#include <QLineEdit>
+
+class QPushButton;
+class QToolButton;
+
+class FileSelectWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	FileSelectWidget(QWidget *parent = 0);
+
+	QString file() {return _edit->text();}
+	void setFile(const QString &file) {_edit->setText(file);}
+	void setFilter(const QString &filter) {_filter = filter;}
+
+private slots:
+	void browse();
+
+private:
+	QLineEdit *_edit;
+#ifdef Q_OS_WIN32
+	QPushButton *_button;
+#else // Q_OS_WIN32
+	QToolButton *_button;
+#endif // Q_OS_WIN32
+
+	QString _filter;
+};
+
+#endif // FILESELECTWIDGET_H

src/fitparser.cpp

@@ -0,0 +1,355 @@
+#include <cstring>
+#include <QtEndian>
+#include "assert.h"
+#include "fitparser.h"
+
+
+const quint32 FIT_MAGIC = 0x5449462E; // .FIT
+
+#define RECORD_MESSAGE  20
+#define TIMESTAMP_FIELD 253
+
+
+FITParser::FITParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints)
+{
+	memset(_defs, 0, sizeof(_defs));
+}
+
+void FITParser::clearDefinitions()
+{
+	for (int i = 0; i < 16; i++) {
+		if (_defs[i].fields)
+			delete[] _defs[i].fields;
+		if (_defs[i].devFields)
+			delete[] _defs[i].devFields;
+	}
+
+	memset(_defs, 0, sizeof(_defs));
+}
+
+void FITParser::warning(const char *text) const
+{
+	const QFile *file = static_cast<QFile *>(_device);
+	fprintf(stderr, "%s:%d: %s\n", qPrintable(file->fileName()),
+	  _len, text);
+}
+
+bool FITParser::readData(char *data, size_t size)
+{
+	qint64 n;
+
+	n = _device->read(data, size);
+	if (n < 0) {
+		_errorString = "I/O error";
+		return false;
+	} else if ((size_t)n < size) {
+		_errorString = "Premature end of data";
+		return false;
+	}
+
+	return true;
+}
+
+template<class T> bool FITParser::readValue(T &val)
+{
+	T data;
+
+	if (!readData((char*)&data, sizeof(T)))
+		return false;
+
+	_len -= sizeof(T);
+
+	if (sizeof(T) > 1) {
+		if (_endian)
+			val = qFromBigEndian(data);
+		else
+			val = qFromLittleEndian(data);
+	} else
+		val = data;
+
+	return true;
+}
+
+bool FITParser::skipValue(size_t size)
+{
+	size_t i;
+	quint8 val;
+
+	for (i = 0; i < size; i++)
+		if (!readValue(val))
+			return false;
+
+	return true;
+}
+
+bool FITParser::parseDefinitionMessage(quint8 header)
+{
+	int local_id = header & 0x0f;
+	MessageDefinition* def = &_defs[local_id];
+	quint8 i;
+
+
+	if (def->fields) {
+		delete[] def->fields;
+		def->fields = 0;
+	}
+	if (def->devFields) {
+		delete[] def->devFields;
+		def->devFields = 0;
+	}
+
+	// reserved/unused
+	if (!readValue(i))
+		return false;
+
+	// endianness
+	if (!readValue(def->endian))
+		return false;
+	if (def->endian > 1) {
+		_errorString = "Bad endian field";
+		return false;
+	}
+	_endian = def->endian;
+
+	// global message number
+	if (!readValue(def->globalId))
+		return false;
+
+	// number of records
+	if (!readValue(def->numFields))
+		return false;
+
+	// definition records
+	def->fields = new Field[def->numFields];
+	for (i = 0; i < def->numFields; i++) {
+		STATIC_ASSERT(sizeof(def->fields[i]) == 3);
+		if (!readData((char*)&(def->fields[i]), sizeof(def->fields[i])))
+			return false;
+		_len -= sizeof(def->fields[i]);
+	}
+
+	// developer definition records
+	if (header & 0x20) {
+		if (!readValue(def->numDevFields))
+			return false;
+
+		def->devFields = new Field[def->numDevFields];
+		for (i = 0; i < def->numDevFields; i++) {
+			STATIC_ASSERT(sizeof(def->devFields[i]) == 3);
+			if (!readData((char*)&(def->devFields[i]),
+			  sizeof(def->devFields[i])))
+				return false;
+			_len -= sizeof(def->devFields[i]);
+		}
+	}
+
+	return true;
+}
+
+bool FITParser::readField(Field *f, quint32 &val)
+{
+	quint8 v8 = (quint8)-1;
+	quint16 v16 = (quint16)-1;
+	bool ret;
+
+	val = (quint32)-1;
+
+	switch (f->type) {
+		case 1: // sint8
+		case 2: // uint8
+			if (f->size == 1) {
+				ret = readValue(v8);
+				val = v8;
+			} else
+				ret = skipValue(f->size);
+			break;
+		case 0x83: // sint16
+		case 0x84: // uint16
+			if (f->size == 2) {
+				ret = readValue(v16);
+				val = v16;
+			} else
+				ret = skipValue(f->size);
+			break;
+		case 0x85: // sint32
+		case 0x86: // uint32
+			if (f->size == 4)
+				ret = readValue(val);
+			else
+				ret = skipValue(f->size);
+			break;
+		default:
+			ret = skipValue(f->size);
+			break;
+	}
+
+	return ret;
+}
+
+bool FITParser::parseData(MessageDefinition *def, quint8 offset)
+{
+	Field *field;
+	quint32 timestamp = _timestamp + offset;
+	quint32 val;
+	Trackpoint trackpoint;
+	int i;
+
+
+	if (!def->fields && !def->devFields) {
+		_errorString = "Undefined data message";
+		return false;
+	}
+
+	_endian = def->endian;
+
+	for (i = 0; i < def->numFields; i++) {
+		field = &def->fields[i];
+		if (!readField(field, val))
+			return false;
+
+		if (field->id == TIMESTAMP_FIELD)
+			_timestamp = timestamp = val;
+		else if (def->globalId == RECORD_MESSAGE) {
+			switch (field->id) {
+				case 0:
+					if (val != 0x7fffffff)
+						trackpoint.rcoordinates().setLat(
+						  ((qint32)val / (double)0x7fffffff) * 180);
+					break;
+				case 1:
+					if (val != 0x7fffffff)
+						trackpoint.rcoordinates().setLon(
+						  ((qint32)val / (double)0x7fffffff) * 180);
+					break;
+				case 2:
+					if (val != 0xffff)
+						trackpoint.setElevation((val / 5.0) - 500);
+					break;
+				case 3:
+					if (val != 0xff)
+						trackpoint.setHeartRate(val);
+					break;
+				case 4:
+					if (val != 0xff)
+						trackpoint.setCadence(val);
+					break;
+				case 6:
+					if (val != 0xffff)
+						trackpoint.setSpeed(val / 1000.0f);
+					break;
+				case 7:
+					if (val != 0xffff)
+						trackpoint.setPower(val);
+					break;
+				case 13:
+					if (val != 0x7f)
+						trackpoint.setTemperature((qint8)val);
+					break;
+				default:
+					break;
+
+			}
+		}
+	}
+
+	for (i = 0; i < def->numDevFields; i++) {
+		field = &def->devFields[i];
+		if (!readField(field, val))
+			return false;
+	}
+
+
+	if (def->globalId == RECORD_MESSAGE) {
+		if (trackpoint.coordinates().isValid()) {
+			trackpoint.setTimestamp(QDateTime::fromTime_t(timestamp
+			  + 631065600));
+			_tracks.last().append(trackpoint);
+		} else {
+			if (trackpoint.coordinates().isNull())
+				warning("Missing coordinates");
+			else {
+				_errorString = "Invalid coordinates";
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+bool FITParser::parseDataMessage(quint8 header)
+{
+	int local_id = header & 0xf;
+	MessageDefinition* def = &_defs[local_id];
+	return parseData(def, 0);
+}
+
+bool FITParser::parseCompressedMessage(quint8 header)
+{
+	int local_id = (header >> 5) & 3;
+	MessageDefinition* def = &_defs[local_id];
+	return parseData(def, header & 0x1f);
+}
+
+bool FITParser::parseRecord()
+{
+	quint8 header;
+
+	if (!readValue(header))
+		return false;
+
+	if (header & 0x80)
+		return parseCompressedMessage(header);
+	else if (header & 0x40)
+		return parseDefinitionMessage(header);
+	else
+		return parseDataMessage(header);
+}
+
+bool FITParser::parseHeader()
+{
+	FileHeader hdr;
+	quint16 crc;
+	qint64 len;
+
+	STATIC_ASSERT(sizeof(hdr) == 12);
+	len = _device->read((char*)&hdr, sizeof(hdr));
+	if (len < 0) {
+		_errorString = "I/O error";
+		return false;
+	} else if ((size_t)len < sizeof(hdr)
+	  || hdr.magic != qToLittleEndian(FIT_MAGIC)) {
+		_errorString = "Not a FIT file";
+		return false;
+	}
+
+	_len = qFromLittleEndian(hdr.dataSize);
+
+	if (hdr.headerSize > sizeof(hdr))
+		if (!readData((char *)&crc, sizeof(crc)))
+			return false;
+
+	return true;
+}
+
+bool FITParser::loadFile(QFile *file)
+{
+	_device = file;
+	_endian = 0;
+	_timestamp = 0;
+	bool ret = true;
+
+	if (!parseHeader())
+		return false;
+
+	_tracks.append(TrackData());
+
+	while (_len)
+		if ((ret = parseRecord()) == false)
+			break;
+
+	clearDefinitions();
+
+	return ret;
+}

src/fitparser.h

@@ -0,0 +1,66 @@
+#ifndef FITPARSER_H
+#define FITPARSER_H
+
+#include "parser.h"
+
+class FITParser : public Parser
+{
+public:
+	FITParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints);
+	~FITParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _errorString;}
+	int errorLine() const {return 0;}
+
+private:
+	typedef struct {
+		quint8 headerSize;
+		quint8 protocolVersion;
+		quint16 profileVersion;
+		quint32 dataSize;
+		quint32 magic;
+	} FileHeader;
+
+	typedef struct {
+		quint8 id;
+		quint8 size;
+		quint8 type;
+	} Field;
+
+	typedef struct {
+		quint8 endian;
+		quint16 globalId;
+		quint8 numFields;
+		Field *fields;
+		quint8 numDevFields;
+		Field *devFields;
+	} MessageDefinition;
+
+
+	void warning(const char *text) const;
+	void clearDefinitions();
+
+	bool readData(char *data, size_t size);
+	template<class T> bool readValue(T &val);
+	bool skipValue(size_t size);
+
+	bool parseHeader();
+	bool parseRecord();
+	bool parseDefinitionMessage(quint8 header);
+	bool parseCompressedMessage(quint8 header);
+	bool parseDataMessage(quint8 header);
+	bool parseData(MessageDefinition *def, quint8 offset);
+	bool readField(Field *f, quint32 &val);
+
+	QIODevice *_device;
+	QString _errorString;
+
+	quint32 _len;
+	quint8 _endian;
+	quint32 _timestamp;
+	MessageDefinition _defs[16];
+};
+
+#endif // FITPARSER_H

src/format.cpp

@@ -0,0 +1,53 @@
+#include <QApplication>
+#include "coordinates.h"
+#include "format.h"
+
+QString Format::timeSpan(qreal time)
+{
+	unsigned h, m, s;
+
+	h = time / 3600;
+	m = (time - (h * 3600)) / 60;
+	s = time - (h * 3600) - (m * 60);
+
+	return QString("%1:%2:%3").arg(h).arg(m, 2, 10, QChar('0'))
+	  .arg(s, 2, 10, QChar('0'));
+}
+
+QString Format::distance(qreal value, Units units)
+{
+	if (units == Imperial) {
+		if (value < MIINM)
+			return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Format", "ft");
+		else
+			return QString::number(value * M2MI, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Format", "mi");
+	} else {
+		if (value < KMINM)
+			return QString::number(value, 'f', 0) + UNIT_SPACE
+			  + qApp->translate("Format", "m");
+		else
+			return QString::number(value * M2KM, 'f', 1) + UNIT_SPACE
+			  + qApp->translate("Format", "km");
+	}
+}
+
+QString Format::elevation(qreal value, Units units)
+{
+	if (units == Metric)
+		return QString::number(value, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Format", "m");
+	else
+		return QString::number(value * M2FT, 'f', 0) + UNIT_SPACE
+		  + qApp->translate("Format", "ft");
+}
+
+QString Format::coordinates(const Coordinates &value)
+{
+	QChar yH = (value.lat() < 0) ? 'S' : 'N';
+	QChar xH = (value.lon() < 0) ? 'W' : 'E';
+
+	return QString::number(qAbs(value.lat()), 'f', 5) + yH + "," + QChar(0x00A0)
+	  + QString::number(qAbs(value.lon()), 'f', 5) + xH;
+}

src/format.h

@@ -0,0 +1,17 @@
+#ifndef FORMAT_H
+#define FORMAT_H
+
+#include <QString>
+#include "units.h"
+
+class Coordinates;
+
+namespace Format
+{
+	QString timeSpan(qreal time);
+	QString distance(qreal value, Units units);
+	QString elevation(qreal value, Units units);
+	QString coordinates(const Coordinates &value);
+}
+
+#endif // FORMAT_H

src/gpx.cpp

@@ -1,186 +0,0 @@
-#include <QFile>
-#include <QLineF>
-#include "ll.h"
-#include "gpx.h"
-
-#include <QDebug>
-
-
-#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();
-	_error.clear();
-
-	if (!file.open(QFile::ReadOnly | QFile::Text)) {
-		_error = qPrintable(file.errorString());
-		return false;
-	}
-
-	if (!(ret = _parser.loadFile(&file, _data)))
-		_error = _parser.errorString();
-	file.close();
-
-	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
-{
-	QPointF p;
-
-	for (int i = 0; i < _data.size(); i++) {
-		ll2mercator(_data.at(i).coordinates, p);
-		track.append(p);
-	}
-}
-
-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();
-}

src/gpx.h

@@ -1,28 +0,0 @@
-#ifndef GPX_H
-#define GPX_H
-
-#include <QVector>
-#include <QPointF>
-#include <QString>
-#include "parser.h"
-
-class GPX
-{
-public:
-	bool loadFile(const QString &fileName);
-	const QString &errorString() const {return _error;}
-
-	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:
-	Parser _parser;
-	QVector<TrackPoint> _data;
-	QString _error;
-};
-
-#endif // GPX_H

src/gpxparser.cpp

@@ -0,0 +1,205 @@
+#include "gpxparser.h"
+
+
+qreal GPXParser::number()
+{
+	bool res;
+	qreal ret = _reader.readElementText().toDouble(&res);
+	if (!res)
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return ret;
+}
+
+QDateTime GPXParser::time()
+{
+	QDateTime d = QDateTime::fromString(_reader.readElementText(),
+	  Qt::ISODate);
+	if (!d.isValid())
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return d;
+}
+
+Coordinates GPXParser::coordinates()
+{
+	bool res;
+	qreal lon, lat;
+	const QXmlStreamAttributes &attr = _reader.attributes();
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+	lon = attr.value("lon").toString().toDouble(&res);
+#else // QT_VERSION < 5
+	lon = attr.value("lon").toDouble(&res);
+#endif // QT_VERSION < 5
+	if (!res || (lon < -180.0 || lon > 180.0)) {
+		_reader.raiseError("Invalid longitude");
+		return Coordinates();
+	}
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+	lat = attr.value("lat").toString().toDouble(&res);
+#else // QT_VERSION < 5
+	lat = attr.value("lat").toDouble(&res);
+#endif // QT_VERSION < 5
+	if (!res || (lat < -90.0 || lat > 90.0)) {
+		_reader.raiseError("Invalid latitude");
+		return Coordinates();
+	}
+
+	return Coordinates(lon, lat);
+}
+
+void GPXParser::tpExtension(Trackpoint &trackpoint)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "hr")
+			trackpoint.setHeartRate(number());
+		else if (_reader.name() == "atemp")
+			trackpoint.setTemperature(number());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::extensions(Trackpoint &trackpoint)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "speed")
+			trackpoint.setSpeed(number());
+		else if (_reader.name() == "hr" || _reader.name() == "heartrate")
+			trackpoint.setHeartRate(number());
+		else if (_reader.name() == "temp")
+			trackpoint.setTemperature(number());
+		else if (_reader.name() == "cadence")
+			trackpoint.setCadence(number());
+		else if (_reader.name() == "power")
+			trackpoint.setPower(number());
+		else if (_reader.name() == "TrackPointExtension")
+			tpExtension(trackpoint);
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::trackpointData(Trackpoint &trackpoint)
+{
+	qreal gh = NAN;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "ele")
+			trackpoint.setElevation(number());
+		else if (_reader.name() == "time")
+			trackpoint.setTimestamp(time());
+		else if (_reader.name() == "geoidheight")
+			gh = number();
+		else if (_reader.name() == "extensions")
+			extensions(trackpoint);
+		else
+			_reader.skipCurrentElement();
+	}
+
+	if (!std::isnan(gh) && !std::isnan(trackpoint.elevation()))
+		trackpoint.setElevation(trackpoint.elevation() - gh);
+}
+
+void GPXParser::waypointData(Waypoint &waypoint)
+{
+	qreal gh = NAN;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "name")
+			waypoint.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			waypoint.setDescription(_reader.readElementText());
+		else if (_reader.name() == "ele")
+			waypoint.setElevation(number());
+		else if (_reader.name() == "geoidheight")
+			gh = number();
+		else if (_reader.name() == "time")
+			waypoint.setTimestamp(time());
+		else
+			_reader.skipCurrentElement();
+	}
+
+	if (!std::isnan(gh) && !std::isnan(waypoint.elevation()))
+		waypoint.setElevation(waypoint.elevation() - gh);
+}
+
+void GPXParser::trackpoints(TrackData &track)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trkpt") {
+			track.append(Trackpoint(coordinates()));
+			trackpointData(track.last());
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::routepoints(RouteData &route)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "rtept") {
+			route.append(Waypoint(coordinates()));
+			waypointData(route.last());
+		} else if (_reader.name() == "name")
+			route.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			route.setDescription(_reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::track(TrackData &track)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trkseg")
+			trackpoints(track);
+		else if (_reader.name() == "name")
+			track.setName(_reader.readElementText());
+		else if (_reader.name() == "desc")
+			track.setDescription(_reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void GPXParser::gpx()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "trk") {
+			_tracks.append(TrackData());
+			track(_tracks.back());
+		} else if (_reader.name() == "rte") {
+			_routes.append(RouteData());
+			routepoints(_routes.back());
+		} else if (_reader.name() == "wpt") {
+			_waypoints.append(Waypoint(coordinates()));
+			waypointData(_waypoints.last());
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+bool GPXParser::parse()
+{
+	if (_reader.readNextStartElement()) {
+		if (_reader.name() == "gpx")
+			gpx();
+		else
+			_reader.raiseError("Not a GPX file");
+	}
+
+	return !_reader.error();
+}
+
+bool GPXParser::loadFile(QFile *file)
+{
+	_reader.clear();
+	_reader.setDevice(file);
+
+	return parse();
+}

src/gpxparser.h

@@ -0,0 +1,36 @@
+#ifndef GPXPARSER_H
+#define GPXPARSER_H
+
+#include <QXmlStreamReader>
+#include "parser.h"
+
+
+class GPXParser : public Parser
+{
+public:
+	GPXParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints) {}
+	~GPXParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _reader.errorString();}
+	int errorLine() const {return _reader.lineNumber();}
+
+private:
+	bool parse();
+	void gpx();
+	void track(TrackData &track);
+	void trackpoints(TrackData &track);
+	void routepoints(RouteData &route);
+	void tpExtension(Trackpoint &trackpoint);
+	void extensions(Trackpoint &trackpoint);
+	void trackpointData(Trackpoint &trackpoint);
+	void waypointData(Waypoint &waypoint);
+	qreal number();
+	QDateTime time();
+	Coordinates coordinates();
+
+	QXmlStreamReader _reader;
+};
+
+#endif // GPXPARSER_H

src/graph.cpp

@@ -1,288 +1,9 @@
-#include <float.h>
-#include <QGraphicsView>
-#include <QGraphicsSceneMouseEvent>
-#include <QEvent>
-#include <QGraphicsSimpleTextItem>
-#include "slideritem.h"
-#include "sliderinfoitem.h"
-#include "infoitem.h"
-#include "config.h"
 #include "graph.h"
 
-#include <QDebug>
-
-
-#define MARGIN 10.0
-
-
-void Scene::mousePressEvent(QGraphicsSceneMouseEvent *e)
+QDebug operator<<(QDebug dbg, const GraphPoint &graphpoint)
 {
-	if (e->button() == Qt::LeftButton)
-		emit mouseClicked(e->scenePos());
+	dbg.nospace() << "GraphPoint(" << graphpoint.s() << ", "
+	  << graphpoint.t() << ", " << graphpoint.y() << ")";
 
-	QGraphicsScene::mousePressEvent(e);
-}
-
-
-Graph::Graph(QWidget *parent)
-	: QGraphicsView(parent)
-{
-	_scene = new Scene(this);
-	setScene(_scene);
-
-	_xAxis = new AxisItem(AxisItem::X);
-	_yAxis = new AxisItem(AxisItem::Y);
-
-	_slider = new SliderItem();
-	_slider->setZValue(2.0);
-
-	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
-	  SLOT(emitSliderPositionChanged(const QPointF&)));
-	connect(_scene, SIGNAL(mouseClicked(const QPointF&)), this,
-	  SLOT(newSliderPosition(const QPointF&)));
-
-	_info = new InfoItem();
-
-	_sliderInfo = new SliderInfoItem(_slider);
-	_sliderInfo->setZValue(2.0);
-
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
-
-	_xScale = 1;
-	_yScale = 1;
-
-	_precision = 0;
-}
-
-Graph::~Graph()
-{
-	if (_xAxis->scene() != _scene)
-		delete _xAxis;
-	if (_yAxis->scene() != _scene)
-		delete _yAxis;
-
-	if (_slider->scene() != _scene)
-		delete _slider;
-
-	if (_info->scene() != _scene)
-		delete _info;
-
-	delete _scene;
-}
-
-void Graph::updateBounds(const QPointF &point)
-{
-	if (point.x() < _xMin)
-		_xMin = point.x();
-	if (point.x() > _xMax)
-		_xMax = point.x();
-	if (point.y() < _yMin)
-		_yMin = point.y();
-	if (point.y() > _yMax)
-		_yMax = point.y();
-}
-
-void Graph::createXLabel()
-{
-	_xAxis->setLabel(QString("%1 [%2]").arg(_xLabel).arg(_xUnits));
-}
-
-void Graph::createYLabel()
-{
-	_yAxis->setLabel(QString("%1 [%2]").arg(_yLabel).arg(_yUnits));
-}
-
-void Graph::setXLabel(const QString &label)
-{
-	_xLabel = label;
-	createXLabel();
-}
-
-void Graph::setYLabel(const QString &label)
-{
-	_yLabel = label;
-	createYLabel();
-}
-
-void Graph::setXUnits(const QString &units)
-{
-	_xUnits = units;
-	createXLabel();
-}
-
-void Graph::setYUnits(const QString &units)
-{
-	_yUnits = units;
-	createYLabel();
-}
-
-void Graph::loadData(const QVector<QPointF> &data)
-{
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-	QColor color = _colorShop.color();
-
-
-	if (data.size() < 2)
-		return;
-
-	updateBounds(data.at(0));
-	path.moveTo(data.at(0).x(), -data.at(0).y());
-	for (int i = 1; i < data.size(); i++) {
-		path.lineTo(data.at(i).x(), -data.at(i).y());
-		updateBounds(data.at(i));
-	}
-
-	pi = new QGraphicsPathItem(path);
-	pi->setPen(QPen(color));
-	_scene->addItem(pi);
-	_graphs.append(pi);
-
-	if (_graphs.size() > 1)
-		_sliderInfo->hide();
-
-	resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
-}
-
-void Graph::resize(const QSizeF &size)
-{
-	QRectF r;
-	QSizeF mx, my;
-	QTransform transform;
-	qreal xs, ys;
-
-
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
-
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->resetTransform();
-
-	_xAxis->setRange(QPointF(_xMin * _xScale, _xMax * _xScale));
-	_yAxis->setRange(QPointF(_yMin * _yScale, _yMax * _yScale));
-	mx = _xAxis->margin();
-	my = _yAxis->margin();
-	r = _scene->itemsBoundingRect();
-	xs = (size.width() - (my.width() + mx.width())) / r.width();
-	ys = (size.height() - (mx.height() + my.height())
-	  - _info->boundingRect().height()) / r.height();
-	transform.scale(xs, ys);
-
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->setTransform(transform);
-
-	r = _scene->itemsBoundingRect();
-	_xAxis->setSize(r.width());
-	_yAxis->setSize(r.height());
-	_xAxis->setPos(r.bottomLeft());
-	_yAxis->setPos(r.bottomLeft());
-	_scene->addItem(_xAxis);
-	_scene->addItem(_yAxis);
-
-	_slider->setArea(r);
-	_slider->setPos(r.bottomLeft());
-	_scene->addItem(_slider);
-
-	r = _scene->itemsBoundingRect();
-	_info->setPos(r.topLeft() + QPointF(r.width()/2
-	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
-	_scene->addItem(_info);
-
-	_scene->setSceneRect(_scene->itemsBoundingRect());
-}
-
-void Graph::resizeEvent(QResizeEvent *)
-{
-	if (!_graphs.empty())
-		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
-}
-
-void Graph::plot(QPainter *painter, const QRectF &target)
-{
-	qreal ratio = target.width() / target.height();
-	QSizeF orig = _scene->sceneRect().size();
-	QSizeF canvas = QSizeF(orig.height() * ratio, orig.height());
-
-	resize(canvas);
-	_slider->hide();
-	_info->hide();
-	_scene->render(painter, target, QRectF(), Qt::KeepAspectRatioByExpanding);
-	_slider->show();
-	_info->show();
-	resize(orig);
-}
-
-void Graph::clear()
-{
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
-	_sliderInfo->show();
-
-	_info->clear();
-	_scene->clear();
-	_graphs.clear();
-	_colorShop.reset();
-
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
-
-	_scene->setSceneRect(0, 0, 0, 0);
-}
-
-void Graph::emitSliderPositionChanged(const QPointF &pos)
-{
-	if (_graphs.isEmpty())
-		return;
-
-	qreal val = pos.x() / _slider->area().width();
-	emit sliderPositionChanged(val);
-
-	const QPainterPath &path = _graphs.at(0)->path();
-	QPointF p = path.pointAtPercent(val);
-	qreal r = (p.y() - path.boundingRect().bottom())
-	  / path.boundingRect().height();
-	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
-}
-
-qreal Graph::sliderPosition() const
-{
-	return _slider->pos().x() / _slider->area().width();
-}
-
-void Graph::setSliderPosition(qreal pos)
-{
-	_slider->setPos(pos * _slider->area().width(), 0);
-}
-
-void Graph::newSliderPosition(const QPointF &pos)
-{
-	if (_slider->area().contains(pos)) {
-		_slider->setPos(pos);
-		emitSliderPositionChanged(pos);
-	}
-}
-
-void Graph::addInfo(const QString &key, const QString &value)
-{
-	_info->insert(key, value);
+	return dbg.maybeSpace();
 }

src/graph.h

@@ -1,87 +1,52 @@
 #ifndef GRAPH_H
 #define GRAPH_H
 
-#include <QGraphicsView>
-#include <QGraphicsScene>
 #include <QVector>
-#include <QList>
-#include <QPointF>
-#include "axisitem.h"
-#include "colorshop.h"
+#include <QDebug>
+#include <cmath>
 
+enum GraphType {Distance, Time};
 
-class SliderItem;
-class SliderInfoItem;
-class InfoItem;
-
-class Scene : public QGraphicsScene
+class GraphPoint
 {
-	Q_OBJECT
-
 public:
-	Scene(QObject *parent = 0) : QGraphicsScene(parent) {}
-	void mousePressEvent(QGraphicsSceneMouseEvent *e);
+	GraphPoint(qreal s = NAN, qreal t = NAN, qreal y = NAN)
+	  : _s(s), _t(t), _y(y) {}
 
-signals:
-	void mouseClicked(const QPointF &pos);
-};
+	qreal s() const {return _s;}
+	qreal t() const {return _t;}
+	qreal y() const {return _y;}
+	qreal x(GraphType type) const {return (type == Distance) ? _s : _t;}
 
-class Graph : public QGraphicsView
-{
-	Q_OBJECT
-
-public:
-	Graph(QWidget *parent = 0);
-	~Graph();
-
-	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 setPrecision(int p) {_precision = p;}
-
-	void plot(QPainter *painter, const QRectF &target);
-	void clear();
-
-	qreal sliderPosition() const;
-	void setSliderPosition(qreal pos);
-
-	void addInfo(const QString &key, const QString &value);
-
-signals:
-	void sliderPositionChanged(qreal);
-
-protected:
-	void resizeEvent(QResizeEvent *);
-
-	qreal _xScale, _yScale;
-	QString _xUnits, _yUnits;
-	QString _xLabel, _yLabel;
-	int _precision;
-
-private slots:
-	void emitSliderPositionChanged(const QPointF &pos);
-	void newSliderPosition(const QPointF &pos);
+	void setS(qreal s) {_s = s;}
+	void setT(qreal t) {_t = t;}
+	void setY(qreal y) {_y = y;}
 
 private:
-	void createXLabel();
-	void createYLabel();
-	void updateBounds(const QPointF &point);
-	void resize(const QSizeF &size);
+	qreal _s;
+	qreal _t;
+	qreal _y;
+};
 
-	Scene *_scene;
+Q_DECLARE_TYPEINFO(GraphPoint, Q_PRIMITIVE_TYPE);
+QDebug operator<<(QDebug dbg, const GraphPoint &graphpoint);
 
-	AxisItem *_xAxis, *_yAxis;
-	SliderItem *_slider;
-	SliderInfoItem *_sliderInfo;
-	InfoItem *_info;
 
-	QList<QGraphicsPathItem*> _graphs;
-	qreal _xMin, _xMax, _yMin, _yMax;
-	ColorShop _colorShop;
+class Graph : public QVector<GraphPoint>
+{
+public:
+	Graph() : QVector<GraphPoint>() {_time = true;}
+	void append(const GraphPoint &p)
+	{
+		if (std::isnan(p.t()))
+			_time = false;
+		QVector<GraphPoint>::append(p);
+	}
+
+	bool hasTime() const {return _time;}
+
+private:
+	bool _time;
 };
 
 #endif // GRAPH_H

src/graphitem.cpp

@@ -0,0 +1,185 @@
+#include <QPainter>
+#include "graphitem.h"
+
+
+#define GRAPH_WIDTH 1
+#define HOVER_WIDTH 2
+
+GraphItem::GraphItem(const Graph &graph, QGraphicsItem *parent)
+  : QGraphicsObject(parent)
+{
+	_id = 0;
+
+	_pen = QPen(Qt::black, GRAPH_WIDTH);
+
+	_type = Distance;
+	_graph = graph;
+	_sx = 1.0; _sy = 1.0;
+
+	updatePath();
+	updateBounds();
+}
+
+void GraphItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath(_path);
+
+/*
+	QPen p = QPen(QBrush(Qt::red), 0);
+	painter->setPen(p);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void GraphItem::setGraphType(GraphType type)
+{
+	prepareGeometryChange();
+
+	_type = type;
+	updatePath();
+	updateBounds();
+}
+
+void GraphItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+qreal GraphItem::yAtX(qreal x)
+{
+	int low = 0;
+	int high = _graph.count() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(x >= _graph.at(low).x(_type) && x <= _graph.at(high).x(_type));
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const GraphPoint &p = _graph.at(mid);
+		if (p.x(_type) > x)
+			high = mid - 1;
+		else if (p.x(_type) < x)
+			low = mid + 1;
+		else
+			return -p.y();
+	}
+
+	QLineF l;
+	if (_graph.at(mid).x(_type) < x)
+		l = QLineF(_graph.at(mid).x(_type), _graph.at(mid).y(),
+		  _graph.at(mid+1).x(_type), _graph.at(mid+1).y());
+	else
+		l = QLineF(_graph.at(mid-1).x(_type), _graph.at(mid-1).y(),
+		  _graph.at(mid).x(_type), _graph.at(mid).y());
+
+	return -l.pointAt((x - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+qreal GraphItem::distanceAtTime(qreal time)
+{
+	int low = 0;
+	int high = _graph.count() - 1;
+	int mid = 0;
+
+	Q_ASSERT(high > low);
+	Q_ASSERT(time >= _graph.at(low).t() && time <= _graph.at(high).t());
+
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const GraphPoint &p = _graph.at(mid);
+		if (p.t() > time)
+			high = mid - 1;
+		else if (p.t() < time)
+			low = mid + 1;
+		else
+			return _graph.at(mid).s();
+	}
+
+	QLineF l;
+	if (_graph.at(mid).t() < time)
+		l = QLineF(_graph.at(mid).t(), _graph.at(mid).s(), _graph.at(mid+1).t(),
+		  _graph.at(mid+1).s());
+	else
+		l = QLineF(_graph.at(mid-1).t(), _graph.at(mid-1).s(),
+		  _graph.at(mid).t(), _graph.at(mid).s());
+
+	return l.pointAt((time - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
+}
+
+void GraphItem::emitSliderPositionChanged(qreal pos)
+{
+	if (_type == Time) {
+		if (_graph.hasTime()) {
+			if (pos <= _graph.last().t())
+				emit sliderPositionChanged(distanceAtTime(pos));
+			else
+				emit sliderPositionChanged(_graph.last().s() + 1);
+		} else
+			emit sliderPositionChanged(_graph.last().s() + 1);
+	} else
+		emit sliderPositionChanged(pos);
+}
+
+void GraphItem::selected(bool selected)
+{
+	if (selected) {
+		_pen.setWidth(HOVER_WIDTH);
+		setZValue(zValue() + 1.0);
+	} else {
+		_pen.setWidth(GRAPH_WIDTH);
+		setZValue(zValue() - 1.0);
+	}
+
+	update();
+}
+
+void GraphItem::setScale(qreal sx, qreal sy)
+{
+	if (_sx == sx && _sy == sy)
+		return;
+
+	prepareGeometryChange();
+
+	_sx = sx; _sy = sy;
+	updatePath();
+}
+
+void GraphItem::updatePath()
+{
+	_path = QPainterPath();
+
+	if (_type == Time && !_graph.hasTime())
+		return;
+
+	_path.moveTo(_graph.first().x(_type) * _sx, -_graph.first().y() * _sy);
+	for (int i = 1; i < _graph.size(); i++)
+		_path.lineTo(_graph.at(i).x(_type) * _sx, -_graph.at(i).y() * _sy);
+}
+
+void GraphItem::updateBounds()
+{
+	if (_type == Time && !_graph.hasTime()) {
+		_bounds = QRectF();
+		return;
+	}
+
+	qreal bottom, top, left, right;
+
+	QPointF p = QPointF(_graph.first().x(_type), -_graph.first().y());
+	bottom = p.y(); top = p.y(); left = p.x(); right = p.x();
+
+	for (int i = 1; i < _graph.size(); i++) {
+		p = QPointF(_graph.at(i).x(_type), -_graph.at(i).y());
+		bottom = qMax(bottom, p.y()); top = qMin(top, p.y());
+		right = qMax(right, p.x()); left = qMin(left, p.x());
+	}
+
+	_bounds = QRectF(QPointF(left, top), QPointF(right, bottom));
+}

src/graphitem.h

@@ -0,0 +1,53 @@
+#ifndef GRAPHITEM_H
+#define GRAPHITEM_H
+
+#include <QGraphicsObject>
+#include <QPen>
+#include "graph.h"
+
+class GraphItem : public QGraphicsObject
+{
+	Q_OBJECT
+
+public:
+	GraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const
+	  {return _path.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	const QRectF &bounds() const {return _bounds;}
+	void setScale(qreal sx, qreal sy);
+
+	void setGraphType(GraphType type);
+	int id() const {return _id;}
+	void setId(int id) {_id = id;}
+	void setColor(const QColor &color);
+
+	qreal yAtX(qreal x);
+	qreal distanceAtTime(qreal time);
+
+signals:
+	void sliderPositionChanged(qreal);
+
+public slots:
+	void emitSliderPositionChanged(qreal);
+	void selected(bool selected);
+
+private:
+	void updatePath();
+	void updateBounds();
+
+	int _id;
+	QPen _pen;
+
+	Graph _graph;
+	GraphType _type;
+
+	QPainterPath _path;
+	QRectF _bounds;
+	qreal _sx, _sy;
+};
+
+#endif // GRAPHITEM_H

src/graphtab.h

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

src/graphview.cpp

@@ -0,0 +1,431 @@
+#include <QGraphicsScene>
+#include <QEvent>
+#include <QMouseEvent>
+#include <QPaintEngine>
+#include <QPaintDevice>
+#include "config.h"
+#include "axisitem.h"
+#include "slideritem.h"
+#include "sliderinfoitem.h"
+#include "infoitem.h"
+#include "griditem.h"
+#include "graph.h"
+#include "graphitem.h"
+#include "pathitem.h"
+#include "graphview.h"
+
+
+#define MARGIN 10.0
+
+GraphView::GraphView(QWidget *parent)
+	: QGraphicsView(parent)
+{
+	_scene = new QGraphicsScene();
+	setScene(_scene);
+
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+	_xAxis = new AxisItem(AxisItem::X);
+	_xAxis->setZValue(1.0);
+	_yAxis = new AxisItem(AxisItem::Y);
+	_yAxis->setZValue(1.0);
+	_slider = new SliderItem();
+	_slider->setZValue(2.0);
+	_sliderInfo = new SliderInfoItem(_slider);
+	_sliderInfo->setZValue(2.0);
+	_info = new InfoItem();
+	_grid = new GridItem();
+
+	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
+	  SLOT(emitSliderPositionChanged(const QPointF&)));
+
+	_xScale = 1;
+	_yScale = 1;
+	_yOffset = 0;
+
+	_precision = 0;
+	_minYRange = 0.01;
+
+	_sliderPos = 0;
+
+	_units = Metric;
+	_graphType = Distance;
+	_xLabel = tr("Distance");
+}
+
+GraphView::~GraphView()
+{
+	if (_xAxis->scene() != _scene)
+		delete _xAxis;
+	if (_yAxis->scene() != _scene)
+		delete _yAxis;
+	if (_slider->scene() != _scene)
+		delete _slider;
+	if (_info->scene() != _scene)
+		delete _info;
+	if (_grid->scene() != _scene)
+		delete _grid;
+
+	for (int i = 0; i < _graphs.count(); i++)
+		if (_graphs.at(i)->scene() != _scene)
+			delete _graphs[i];
+}
+
+void GraphView::createXLabel()
+{
+	_xAxis->setLabel(QString("%1 [%2]").arg(_xLabel).arg(_xUnits));
+}
+
+void GraphView::createYLabel()
+{
+	_yAxis->setLabel(QString("%1 [%2]").arg(_yLabel).arg(_yUnits));
+}
+
+void GraphView::setYLabel(const QString &label)
+{
+	_yLabel = label;
+	createYLabel();
+}
+
+void GraphView::setYUnits(const QString &units)
+{
+	_yUnits = units;
+	createYLabel();
+}
+
+void GraphView::setXUnits()
+{
+	if (_graphType == Distance) {
+		if (_units == Metric) {
+			if (bounds().width() < KMINM) {
+				_xUnits = tr("m");
+				_xScale = 1;
+			} else {
+				_xUnits = tr("km");
+				_xScale = M2KM;
+			}
+		} else {
+			if (bounds().width() < MIINM) {
+				_xUnits = tr("ft");
+				_xScale = M2FT;
+			} else {
+				_xUnits = tr("mi");
+				_xScale = M2MI;
+			}
+		}
+	} else {
+		    if (bounds().width() < MININS) {
+				_xUnits = tr("s");
+				_xScale = 1;
+			} else if (bounds().width() < HINS) {
+				_xUnits = tr("min");
+				_xScale = MIN2S;
+			} else {
+				_xUnits = tr("h");
+				_xScale = H2S;
+			}
+	}
+
+	createXLabel();
+}
+
+void GraphView::setUnits(Units units)
+{
+	_units = units;
+	setXUnits();
+}
+
+void GraphView::setGraphType(GraphType type)
+{
+	_graphType = type;
+	_bounds = QRectF();
+
+	for (int i = 0; i < _graphs.count(); i++) {
+		_graphs.at(i)->setGraphType(type);
+		if (_graphs.at(i)->scene() == _scene)
+			_bounds |= _graphs.at(i)->bounds();
+	}
+
+	if (type == Distance)
+		_xLabel = tr("Distance");
+	else
+		_xLabel = tr("Time");
+	setXUnits();
+
+	redraw();
+}
+
+void GraphView::showGrid(bool show)
+{
+	_grid->setVisible(show);
+}
+
+void GraphView::loadGraph(const Graph &graph, PathItem *path, int id)
+{
+	if (graph.size() < 2)
+		return;
+
+	GraphItem *gi = new GraphItem(graph);
+	gi->setGraphType(_graphType);
+	gi->setId(id);
+	gi->setColor(_palette.color());
+
+	connect(this, SIGNAL(sliderPositionChanged(qreal)), gi,
+	  SLOT(emitSliderPositionChanged(qreal)));
+	connect(gi, SIGNAL(sliderPositionChanged(qreal)), path,
+	  SLOT(moveMarker(qreal)));
+	connect(path, SIGNAL(selected(bool)), gi, SLOT(selected(bool)));
+
+	_graphs.append(gi);
+
+	if (!_hide.contains(id)) {
+		_visible.append(gi);
+		_scene->addItem(gi);
+		_bounds |= gi->bounds();
+		setXUnits();
+	}
+}
+
+void GraphView::removeItem(QGraphicsItem *item)
+{
+	if (item->scene() == _scene)
+		_scene->removeItem(item);
+}
+
+void GraphView::addItem(QGraphicsItem *item)
+{
+	if (item->scene() != _scene)
+		_scene->addItem(item);
+}
+
+void GraphView::showGraph(bool show, int id)
+{
+	if (show)
+		_hide.remove(id);
+	else
+		_hide.insert(id);
+
+	_visible.clear();
+	_bounds = QRectF();
+	for (int i = 0; i < _graphs.count(); i++) {
+		GraphItem* gi = _graphs.at(i);
+		if (_hide.contains(gi->id()))
+			removeItem(gi);
+		else {
+			addItem(gi);
+			_visible.append(gi);
+			_bounds |= gi->bounds();
+		}
+	}
+}
+
+void GraphView::redraw()
+{
+	redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
+}
+
+QRectF GraphView::bounds() const
+{
+	QRectF br(_bounds);
+	br.moveTopLeft(QPointF(br.left(), -br.top() - br.height()));
+	return br;
+}
+
+void GraphView::redraw(const QSizeF &size)
+{
+	QRectF r;
+	QSizeF mx, my;
+	RangeF rx, ry;
+	qreal sx, sy;
+
+
+	if (_visible.isEmpty() || _bounds.isNull()) {
+		removeItem(_xAxis);
+		removeItem(_yAxis);
+		removeItem(_slider);
+		removeItem(_info);
+		removeItem(_grid);
+		_scene->setSceneRect(QRectF());
+		return;
+	}
+
+	addItem(_xAxis);
+	addItem(_yAxis);
+	addItem(_slider);
+	addItem(_info);
+	addItem(_grid);
+
+	rx = RangeF(bounds().left() * _xScale, bounds().right() * _xScale);
+	ry = RangeF(bounds().top() * _yScale + _yOffset, bounds().bottom() * _yScale
+	  + _yOffset);
+	if (ry.size() < _minYRange)
+		ry.resize(_minYRange);
+
+	_xAxis->setRange(rx);
+	_yAxis->setRange(ry);
+	mx = _xAxis->margin();
+	my = _yAxis->margin();
+
+	r = _bounds;
+	if (r.height() < _minYRange)
+		r.adjust(0, -(_minYRange/2 - r.height()/2), 0,
+		  _minYRange/2 - r.height()/2);
+
+	sx = (size.width() - (my.width() + mx.width())) / r.width();
+	sy = (size.height() - (mx.height() + my.height())
+	  - _info->boundingRect().height()) / r.height();
+
+	for (int i = 0; i < _visible.size(); i++)
+		_visible.at(i)->setScale(sx, sy);
+
+	QPointF p(r.left() * sx, r.top() * sy);
+	QSizeF s(r.width() * sx, r.height() * sy);
+	r = QRectF(p, s);
+	if (r.height() < _minYRange * sy)
+		r.adjust(0, -(_minYRange/2 * sy - r.height()/2), 0,
+		  (_minYRange/2) * sy - r.height()/2);
+
+	_xAxis->setSize(r.width());
+	_yAxis->setSize(r.height());
+	_xAxis->setPos(r.bottomLeft());
+	_yAxis->setPos(r.bottomLeft());
+
+	_grid->setSize(r.size());
+	_grid->setTicks(_xAxis->ticks(), _yAxis->ticks());
+	_grid->setPos(r.bottomLeft());
+
+	_slider->setArea(r);
+	updateSliderPosition();
+
+	r |= _xAxis->sceneBoundingRect();
+	r |= _yAxis->sceneBoundingRect();
+	_info->setPos(r.topLeft() + QPointF(r.width()/2
+	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
+
+	_scene->setSceneRect(_scene->itemsBoundingRect());
+}
+
+void GraphView::resizeEvent(QResizeEvent *)
+{
+	redraw();
+}
+
+void GraphView::mousePressEvent(QMouseEvent *e)
+{
+	if (e->button() == Qt::LeftButton)
+		newSliderPosition(mapToScene(e->pos()));
+
+	QGraphicsView::mousePressEvent(e);
+}
+
+void GraphView::plot(QPainter *painter, const QRectF &target)
+{
+	qreal ratio = painter->paintEngine()->paintDevice()->logicalDpiX()
+	  / SCREEN_DPI;
+	QSizeF canvas = QSizeF(target.width() / ratio, target.height() / ratio);
+
+	setUpdatesEnabled(false);
+	redraw(canvas);
+	if (_slider->pos().x() == _slider->area().left())
+		_slider->hide();
+	_scene->render(painter, target);
+	_slider->show();
+	redraw();
+	setUpdatesEnabled(true);
+}
+
+void GraphView::clear()
+{
+	_slider->clear();
+	_info->clear();
+
+	for (int i = 0; i < _graphs.count(); i++)
+		delete _graphs[i];
+
+	_graphs.clear();
+	_visible.clear();
+	_palette.reset();
+
+	_bounds = QRectF();
+	_sliderPos = 0;
+
+	_scene->setSceneRect(0, 0, 0, 0);
+}
+
+void GraphView::updateSliderPosition()
+{
+	if (bounds().width() <= 0)
+		return;
+
+	if (_sliderPos <= bounds().right() && _sliderPos >= bounds().left()) {
+		_slider->setPos((_sliderPos / bounds().width())
+		  * _slider->area().width(), _slider->area().bottom());
+		_slider->setVisible(!_visible.isEmpty());
+	} else {
+		_slider->setPos(_slider->area().left(), _slider->area().bottom());
+		_slider->setVisible(false);
+	}
+
+	updateSliderInfo();
+}
+
+void GraphView::updateSliderInfo()
+{
+	_sliderInfo->setVisible(_visible.count() == 1);
+	if (!_sliderInfo->isVisible())
+		return;
+
+	QRectF br(_visible.first()->bounds());
+	if (br.height() < _minYRange)
+		br.adjust(0, -(_minYRange/2 - br.height()/2), 0,
+		  _minYRange/2 - br.height()/2);
+
+	qreal y = _visible.first()->yAtX(_sliderPos);
+	qreal r = (y - br.bottom()) / br.height();
+
+	qreal pos = (_sliderPos / bounds().width()) * _slider->area().width();
+	SliderInfoItem::Side s = (pos + _sliderInfo->boundingRect().width()
+	  > _slider->area().right()) ? SliderInfoItem::Left : SliderInfoItem::Right;
+
+	_sliderInfo->setSide(s);
+	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
+	_sliderInfo->setText(QString::number(-y * _yScale + _yOffset, 'f',
+	  _precision));
+}
+
+void GraphView::emitSliderPositionChanged(const QPointF &pos)
+{
+	if (_slider->area().width() <= 0)
+		return;
+
+	_sliderPos = (pos.x() / _slider->area().width()) * bounds().width();
+	updateSliderPosition();
+
+	emit sliderPositionChanged(_sliderPos);
+}
+
+void GraphView::setSliderPosition(qreal pos)
+{
+	if (_visible.isEmpty())
+		return;
+
+	_sliderPos = pos;
+	updateSliderPosition();
+}
+
+void GraphView::newSliderPosition(const QPointF &pos)
+{
+	if (_slider->area().contains(pos))
+		_slider->setPos(pos);
+}
+
+void GraphView::addInfo(const QString &key, const QString &value)
+{
+	_info->insert(key, value);
+}
+
+void GraphView::clearInfo()
+{
+	_info->clear();
+}

src/graphview.h

@@ -0,0 +1,107 @@
+#ifndef GRAPHVIEW_H
+#define GRAPHVIEW_H
+
+#include <QGraphicsView>
+#include <QList>
+#include <QSet>
+#include "palette.h"
+#include "units.h"
+#include "graph.h"
+
+
+class AxisItem;
+class SliderItem;
+class SliderInfoItem;
+class InfoItem;
+class GraphItem;
+class PathItem;
+class GridItem;
+
+class GraphView : public QGraphicsView
+{
+	Q_OBJECT
+
+public:
+	GraphView(QWidget *parent = 0);
+	~GraphView();
+
+	void loadGraph(const Graph &graph, PathItem *path, int id = 0);
+	int count() const {return _graphs.count();}
+	void redraw();
+	void clear();
+
+	void showGraph(bool show, int id = 0);
+	void setGraphType(GraphType type);
+	void setUnits(Units units);
+	void showGrid(bool show);
+
+	const QString &yLabel() const {return _yLabel;}
+	const QString &yUnits() const {return _yUnits;}
+	qreal yScale() const {return _yScale;}
+	qreal yOffset() const {return _yOffset;}
+	void setYLabel(const QString &label);
+	void setYUnits(const QString &units);
+	void setYScale(qreal scale) {_yScale = scale;}
+	void setYOffset(qreal offset) {_yOffset = offset;}
+
+	void setSliderPrecision(int precision) {_precision = precision;}
+	void setMinYRange(qreal range) {_minYRange = range;}
+
+	qreal sliderPosition() const {return _sliderPos;}
+	void setSliderPosition(qreal pos);
+
+	void plot(QPainter *painter, const QRectF &target);
+
+signals:
+	void sliderPositionChanged(qreal);
+
+protected:
+	QRectF bounds() const;
+	void redraw(const QSizeF &size);
+	void addInfo(const QString &key, const QString &value);
+	void clearInfo();
+	void skipColor() {_palette.color();}
+
+private slots:
+	void emitSliderPositionChanged(const QPointF &pos);
+	void newSliderPosition(const QPointF &pos);
+
+private:
+	void setXUnits();
+	void createXLabel();
+	void createYLabel();
+	void updateSliderPosition();
+	void updateSliderInfo();
+	void removeItem(QGraphicsItem *item);
+	void addItem(QGraphicsItem *item);
+
+	void resizeEvent(QResizeEvent *);
+	void mousePressEvent(QMouseEvent *);
+
+	qreal _xScale, _yScale;
+	qreal _yOffset;
+	QString _xUnits, _yUnits;
+	QString _xLabel, _yLabel;
+	int _precision;
+	qreal _minYRange;
+	qreal _sliderPos;
+
+	QGraphicsScene *_scene;
+
+	AxisItem *_xAxis, *_yAxis;
+	SliderItem *_slider;
+	SliderInfoItem *_sliderInfo;
+	InfoItem *_info;
+	GridItem *_grid;
+
+	QList<GraphItem*> _graphs;
+	QList<GraphItem*> _visible;
+	QSet<int> _hide;
+	QRectF _bounds;
+	Palette _palette;
+
+	Units _units;
+	GraphType _graphType;
+};
+
+#endif // GRAPHVIEW_H

src/griditem.cpp

@@ -0,0 +1,48 @@
+#include <QPainter>
+#include "griditem.h"
+
+
+#define GRID_WIDTH 0
+
+GridItem::GridItem(QGraphicsItem *parent) : QGraphicsItem(parent)
+{
+
+}
+
+void GridItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+	QBrush brush(Qt::gray);
+	QPen pen = QPen(brush, GRID_WIDTH, Qt::DotLine);
+
+
+	painter->setRenderHint(QPainter::Antialiasing, false);
+	painter->setPen(pen);
+
+	for (int i = 0; i < _xTicks.size(); i++)
+		painter->drawLine(_xTicks.at(i), 0, _xTicks.at(i),
+		  -_boundingRect.height());
+	for (int i = 0; i < _yTicks.size(); i++)
+		painter->drawLine(0, -_yTicks.at(i), boundingRect().width(),
+		  -_yTicks.at(i));
+
+/*
+	painter->setPen(Qt::red);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void GridItem::setTicks(const QList<qreal> &x, const QList<qreal> &y)
+{
+	_xTicks = x; _yTicks = y;
+	update();
+}
+
+void GridItem::setSize(const QSizeF &size)
+{
+	prepareGeometryChange();
+
+	_boundingRect = QRectF(QPointF(0, -size.height()), size);
+}

src/griditem.h

@@ -0,0 +1,23 @@
+#ifndef GRIDITEM_H
+#define GRIDITEM_H
+
+#include <QGraphicsItem>
+
+class GridItem : public QGraphicsItem
+{
+public:
+	GridItem(QGraphicsItem *parent = 0);
+
+	QRectF boundingRect() const {return _boundingRect;}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	void setTicks(const QList<qreal> &x, const QList<qreal> &y);
+	void setSize(const QSizeF &size);
+
+private:
+	QRectF _boundingRect;
+	QList<qreal> _xTicks, _yTicks;
+};
+
+#endif // GRIDITEM_H

src/gui.h

@@ -2,94 +2,200 @@
 #define GUI_H
 
 #include <QMainWindow>
-#include <QMenu>
-#include <QToolBar>
-#include <QTabWidget>
-#include <QGraphicsView>
-#include <QActionGroup>
-#include <QAction>
-#include <QLabel>
+#include <QString>
+#include <QList>
+#include <QDate>
+#include <QPrinter>
+#include "units.h"
+#include "graph.h"
 #include "poi.h"
+#include "margins.h"
 
-
+class QMenu;
+class QToolBar;
+class QTabWidget;
+class QActionGroup;
+class QAction;
+class QLabel;
+class QSignalMapper;
+class QPrinter;
 class FileBrowser;
-class ElevationGraph;
-class SpeedGraph;
-class Track;
+class GraphTab;
+class PathView;
+class Map;
 
 class GUI : public QMainWindow
 {
 	Q_OBJECT
 
 public:
-	GUI();
+	GUI(QWidget *parent = 0);
+	~GUI();
 
 	bool openFile(const QString &fileName);
 
 private slots:
 	void about();
 	void keys();
-	void saveFile();
-	void saveAs();
+	void dataSources();
+	void printFile();
+	void exportFile();
 	void openFile();
-	void closeFile();
+	void closeAll();
 	void reloadFile();
 	void openPOIFile();
-	void showPOI();
+	void closePOIFiles();
+	void showMap(bool show);
+	void showGraphs(bool show);
+	void showGraphGrids(bool show);
+	void showToolbars(bool show);
+	void showFullscreen(bool show);
+	void showTracks(bool show);
+	void showRoutes(bool show);
+	void clearMapCache();
+	void nextMap();
+	void prevMap();
 
+	void mapChanged(int);
 	void graphChanged(int);
+	void poiFileChecked(int);
+
+	void next();
+	void prev();
+	void last();
+	void first();
+
+	void setMetricUnits() {setUnits(Metric);}
+	void setImperialUnits() {setUnits(Imperial);}
+	void setDistanceGraph() {setGraphType(Distance);}
+	void setTimeGraph() {setGraphType(Time);}
+
+	void sliderPositionChanged(qreal pos);
 
 private:
+	typedef QPair<QDate, QDate> DateRange;
+
+	void loadMaps();
+	void loadPOIs();
+	void closeFiles();
+	void plot(QPrinter *printer);
+
+	QAction *createPOIFileAction(int index);
+	void createPOIFilesActions();
+	void createMapActions();
 	void createActions();
 	void createMenus();
 	void createToolBars();
 	void createStatusBar();
-	void createTrackView();
-	void createTrackGraphs();
+	void createPathView();
+	void createGraphTabs();
+	void createBrowser();
 
+	bool openPOIFile(const QString &fileName);
 	bool loadFile(const QString &fileName);
-	void saveFile(const QString &fileName);
+	void exportFile(const QString &fileName);
 	void updateStatusBarInfo();
+	void updateWindowTitle();
+	void updateNavigationActions();
+	void updateGraphTabs();
+	void updatePathView();
 
-	void keyPressEvent(QKeyEvent * event);
+	void setUnits(Units units);
+	void setGraphType(GraphType type);
 
-	QMenu *_fileMenu;
-	QMenu *_helpMenu;
-	QMenu *_poiMenu;
+	qreal distance() const;
+	qreal time() const;
+	int mapIndex(const QString &name);
+	void readSettings();
+	void writeSettings();
+
+	const QString fileFormats() const;
+
+	void keyPressEvent(QKeyEvent *event);
+	void closeEvent(QCloseEvent *event);
+	void dragEnterEvent(QDragEnterEvent *event);
+	void dropEvent(QDropEvent *event);
 
 	QToolBar *_fileToolBar;
-	QToolBar *_poiToolBar;
-	QTabWidget *_trackGraphs;
-	QActionGroup *_fileActionGroup;
+	QToolBar *_showToolBar;
+	QToolBar *_navigationToolBar;
+	QMenu *_poiFilesMenu;
 
+	QActionGroup *_fileActionGroup;
+	QActionGroup *_navigationActionGroup;
 	QAction *_exitAction;
 	QAction *_keysAction;
+	QAction *_dataSourcesAction;
 	QAction *_aboutAction;
 	QAction *_aboutQtAction;
-	QAction *_saveFileAction;
-	QAction *_saveAsAction;
+	QAction *_printFileAction;
+	QAction *_exportFileAction;
 	QAction *_openFileAction;
 	QAction *_closeFileAction;
 	QAction *_reloadFileAction;
 	QAction *_openPOIAction;
+	QAction *_closePOIAction;
 	QAction *_showPOIAction;
+	QAction *_overlapPOIAction;
+	QAction *_showPOILabelsAction;
+	QAction *_showMapAction;
+	QAction *_fullscreenAction;
+	QAction *_clearMapCacheAction;
+	QAction *_showGraphsAction;
+	QAction *_showGraphGridAction;
+	QAction *_distanceGraphAction;
+	QAction *_timeGraphAction;
+	QAction *_showToolbarsAction;
+	QAction *_nextAction;
+	QAction *_prevAction;
+	QAction *_lastAction;
+	QAction *_firstAction;
+	QAction *_metricUnitsAction;
+	QAction *_imperialUnitsAction;
+	QAction *_nextMapAction;
+	QAction *_prevMapAction;
+	QAction *_showTracksAction;
+	QAction *_showRoutesAction;
+	QAction *_showWaypointsAction;
+	QAction *_showWaypointLabelsAction;
+	QAction *_showRouteWaypointsAction;
+	QList<QAction*> _mapActions;
+	QList<QAction*> _poiFilesActions;
+
+	QSignalMapper *_poiFilesSM;
 
 	QLabel *_fileNameLabel;
 	QLabel *_distanceLabel;
 	QLabel *_timeLabel;
 
-	ElevationGraph *_elevationGraph;
-	SpeedGraph *_speedGraph;
-	Track *_track;
+	PathView *_pathView;
+	QTabWidget *_graphTabWidget;
+	QList<GraphTab*> _tabs;
 
-	POI _poi;
+	POI *_poi;
+	QList<Map*> _maps;
 
 	FileBrowser *_browser;
 	QList<QString> _files;
-	QString _saveFileName;
+	Map *_currentMap;
 
-	qreal _distance;
+	int _trackCount;
+	int _routeCount;
+	int _waypointCount;
+	qreal _trackDistance;
+	qreal _routeDistance;
 	qreal _time;
+	DateRange _dateRange;
+
+	qreal _sliderPos;
+
+	int _frameStyle;
+	bool _showGraphs;
+
+	QString _exportFileName;
+	QPrinter::PaperSize _exportPaperSize;
+	QPrinter::Orientation _exportOrientation;
+	MarginsF _exportMargins;
 };
 
 #endif // GUI_H

src/heartrategraph.cpp

@@ -0,0 +1,84 @@
+#include "data.h"
+#include "heartrategraph.h"
+
+
+HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
+{
+	_units = Metric;
+	_showTracks = true;
+
+	GraphView::setYUnits(tr("1/min"));
+	setYLabel(tr("Heart rate"));
+
+	setSliderPrecision(0);
+}
+
+void HeartRateGraph::setInfo()
+{
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
+}
+
+void HeartRateGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	for (int i = 0; i < data.tracks().count(); i++) {
+		const Graph &graph = data.tracks().at(i)->heartRate();
+		qreal sum = 0, w = 0;
+
+		if (graph.size() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < graph.size(); j++) {
+			qreal ds = graph.at(j).s() - graph.at(j-1).s();
+			sum += graph.at(j).y() * ds;
+			w += ds;
+		}
+		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+
+		GraphView::loadGraph(graph, paths.at(i));
+	}
+
+	for (int i = 0; i < data.routes().count(); i++)
+		skipColor();
+
+	setInfo();
+
+	redraw();
+}
+
+qreal HeartRateGraph::avg() const
+{
+	qreal sum = 0, w = 0;
+	QList<QPointF>::const_iterator it;
+
+	for (it = _avg.begin(); it != _avg.end(); it++) {
+		sum += it->y() * it->x();
+		w += it->x();
+	}
+
+	return (sum / w);
+}
+
+void HeartRateGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void HeartRateGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setInfo();
+
+	redraw();
+}

src/heartrategraph.h

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

src/icons.h

@@ -1,21 +1,20 @@
 #ifndef ICONS_H
 #define ICONS_H
 
-#include <QtGlobal>
-
 #define APP_ICON         ":/icons/gpxsee.png"
 #define OPEN_FILE_ICON   ":/icons/document-open.png"
-#define SAVE_FILE_ICON   ":/icons/document-save.png"
-#define SAVE_AS_ICON     ":/icons/document-save-as.png"
+#define EXPORT_FILE_ICON ":/icons/document-export.png"
+#define PRINT_FILE_ICON  ":/icons/document-print.png"
 #define CLOSE_FILE_ICON  ":/icons/dialog-close.png"
 #define SHOW_POI_ICON    ":/icons/flag.png"
+#define SHOW_MAP_ICON    ":/icons/applications-internet.png"
+#define SHOW_GRAPHS_ICON ":/icons/office-chart-line-stacked.png"
 #define QUIT_ICON        ":/icons/application-exit.png"
 #define RELOAD_FILE_ICON ":/icons/view-refresh.png"
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-#define QT_ICON          ":/trolltech/qmessagebox/images/qtlogo-64.png"
-#else
-#define QT_ICON          ":/qt-project.org/qmessagebox/images/qtlogo-64.png"
-#endif
+#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"
+#define FULLSCREEN_ICON  ":/icons/view-fullscreen.png"
 
 #endif /* ICONS_H */

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,
@@ -44,6 +40,9 @@ void InfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	QList<KV>::const_iterator i;
 	int width = 0;
 
+
+	painter->setRenderHint(QPainter::Antialiasing, false);
+
 	for (i = _list.constBegin(); i != _list.constEnd(); i++) {
 		painter->drawText(width, fm.height() - fm.descent(), i->key + ": ");
 		width += fm.width(i->key + ": ");
@@ -69,10 +68,19 @@ void InfoItem::insert(const QString &key, const QString &value)
 	KV kv(key, value);
 	int i;
 
+	prepareGeometryChange();
+
 	if ((i = _list.indexOf(kv)) < 0)
 		_list.append(kv);
 	else
 		_list[i] = kv;
 
-	prepareGeometryChange();
+	updateBoundingRect();
+}
+
+void InfoItem::clear()
+{
+	prepareGeometryChange();
+	_list.clear();
+	updateBoundingRect();
 }

src/infoitem.h

@@ -9,14 +9,17 @@ 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();
+	bool isEmpty() {return _list.isEmpty();}
 
 private:
+	void updateBoundingRect();
+
 	class KV {
 	public:
 		QString key;
@@ -29,6 +32,7 @@ private:
 	};
 
 	QList<KV> _list;
+	QRectF _boundingRect;
 };
 
 #endif // INFOITEM_H

src/keys.h

@@ -1,8 +1,31 @@
 #ifndef KEYS_H
 #define KEYS_H
 
-#define NEXT_KEY         Qt::Key_Space
-#define PREV_KEY         Qt::Key_Backspace
-#define MODIFIER         Qt::ShiftModifier
+#include <Qt>
+#include <QKeySequence>
+
+#define NEXT_KEY                Qt::Key_Space
+#define PREV_KEY                Qt::Key_Backspace
+#define FIRST_KEY               Qt::Key_Home
+#define LAST_KEY                Qt::Key_End
+#define MODIFIER                Qt::ShiftModifier
+
+#define QUIT_SHORTCUT           QKeySequence::Quit
+#define OPEN_SHORTCUT           QKeySequence::Open
+#define CLOSE_SHORTCUT          QKeySequence::Close
+#define RELOAD_SHORTCUT         QKeySequence::Refresh
+#define EXPORT_SHORTCUT         QKeySequence(Qt::CTRL + Qt::Key_E)
+#define SHOW_POI_SHORTCUT       QKeySequence(Qt::CTRL + Qt::Key_P)
+#define SHOW_MAP_SHORTCUT       QKeySequence(Qt::CTRL + Qt::Key_M)
+#define NEXT_MAP_SHORTCUT       QKeySequence::Forward
+#define PREV_MAP_SHORTCUT       QKeySequence::Back
+#define SHOW_GRAPHS_SHORTCUT    QKeySequence(Qt::CTRL + Qt::Key_G)
+#define DISTANCE_GRAPH_SHORTCUT QKeySequence(Qt::CTRL + Qt::Key_D)
+#define TIME_GRAPH_SHORTCUT     QKeySequence(Qt::CTRL + Qt::Key_T)
+#ifdef Q_OS_MAC
+#define FULLSCREEN_SHORTCUT     QKeySequence(Qt::META + Qt::CTRL + Qt::Key_F)
+#else // Q_OS_MAC
+#define FULLSCREEN_SHORTCUT     QKeySequence(Qt::Key_F11)
+#endif // Q_OS_MAC
 
 #endif // KEYS_H

src/kmlparser.cpp

@@ -0,0 +1,344 @@
+#include "kmlparser.h"
+
+
+qreal KMLParser::number()
+{
+	bool res;
+	qreal ret = _reader.readElementText().toDouble(&res);
+	if (!res)
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return ret;
+}
+
+QDateTime KMLParser::time()
+{
+	QDateTime d = QDateTime::fromString(_reader.readElementText(),
+	  Qt::ISODate);
+	if (!d.isValid())
+		_reader.raiseError(QString("Invalid %1").arg(
+		  _reader.name().toString()));
+
+	return d;
+}
+
+bool KMLParser::coord(Trackpoint &trackpoint)
+{
+	QString data = _reader.readElementText();
+	const QChar *sp, *ep, *cp, *vp;
+	int c = 0;
+	qreal val[3];
+	bool res;
+
+
+	sp = data.constData();
+	ep = sp + data.size();
+
+	for (cp = sp; cp < ep; cp++)
+		if (!cp->isSpace())
+			break;
+
+	for (vp = cp; cp <= ep; cp++) {
+		if (cp->isSpace() || cp->isNull()) {
+			if (c > 2)
+				return false;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+			val[c] = QString(vp, cp - vp).toDouble(&res);
+#else // QT_VERSION < 5
+			val[c] = QStringRef(&data, vp - sp, cp - vp).toDouble(&res);
+#endif // QT_VERSION < 5
+			if (!res)
+				return false;
+
+			if (c == 1) {
+				trackpoint.setCoordinates(Coordinates(val[0], val[1]));
+				if (!trackpoint.coordinates().isValid())
+					return false;
+			} else if (c == 2)
+				trackpoint.setElevation(val[2]);
+
+			while (cp->isSpace())
+				cp++;
+			vp = cp;
+			c++;
+		}
+	}
+
+	return true;
+}
+
+bool KMLParser::pointCoordinates(Waypoint &waypoint)
+{
+	QString data = _reader.readElementText();
+	const QChar *sp, *ep, *cp, *vp;
+	int c = 0;
+	qreal val[3];
+	bool res;
+
+
+	sp = data.constData();
+	ep = sp + data.size();
+
+	for (cp = sp; cp < ep; cp++)
+		if (!cp->isSpace())
+			break;
+
+	for (vp = cp; cp <= ep; cp++) {
+		if (*cp == ',') {
+			if (c > 2)
+				return false;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+			val[c] = QString(vp, cp - vp).toDouble(&res);
+#else // QT_VERSION < 5
+			val[c] = QStringRef(&data, vp - sp, cp - vp).toDouble(&res);
+#endif // QT_VERSION < 5
+			if (!res)
+				return false;
+
+			c++;
+			vp = cp + 1;
+		} else if (cp->isSpace() || cp->isNull()) {
+			if (c < 1)
+				return false;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+			val[c] = QString(vp, cp - vp).toDouble(&res);
+#else // QT_VERSION < 5
+			val[c] = QStringRef(&data, vp - sp, cp - vp).toDouble(&res);
+#endif // QT_VERSION < 5
+			if (!res)
+				return false;
+
+			waypoint.setCoordinates(Coordinates(val[0], val[1]));
+			if (!waypoint.coordinates().isValid())
+				return false;
+			if (c == 2)
+				waypoint.setElevation(val[2]);
+
+			while (cp->isSpace())
+				cp++;
+			c = 3;
+		}
+	}
+
+	return true;
+}
+
+bool KMLParser::lineCoordinates(TrackData &track)
+{
+	QString data = _reader.readElementText();
+	const QChar *sp, *ep, *cp, *vp;
+	int c = 0;
+	qreal val[3];
+	bool res;
+
+
+	sp = data.constData();
+	ep = sp + data.size();
+
+	for (cp = sp; cp < ep; cp++)
+		if (!cp->isSpace())
+			break;
+
+	for (vp = cp; cp <= ep; cp++) {
+		if (*cp == ',') {
+			if (c > 2)
+				return false;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+			val[c] = QString(vp, cp - vp).toDouble(&res);
+#else // QT_VERSION < 5
+			val[c] = QStringRef(&data, vp - sp, cp - vp).toDouble(&res);
+#endif // QT_VERSION < 5
+			if (!res)
+				return false;
+
+			c++;
+			vp = cp + 1;
+		} else if (cp->isSpace() || cp->isNull()) {
+			if (c < 1 || c > 2)
+				return false;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+			val[c] = QString(vp, cp - vp).toDouble(&res);
+#else // QT_VERSION < 5
+			val[c] = QStringRef(&data, vp - sp, cp - vp).toDouble(&res);
+#endif // QT_VERSION < 5
+			if (!res)
+				return false;
+
+			track.append(Trackpoint(Coordinates(val[0], val[1])));
+			if (!track.last().coordinates().isValid())
+				return false;
+			if (c == 2)
+				track.last().setElevation(val[2]);
+
+			while (cp->isSpace())
+				cp++;
+			c = 0;
+			vp = cp;
+		}
+	}
+
+ 	return true;
+}
+
+QDateTime KMLParser::timeStamp()
+{
+	QDateTime ts;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "when")
+			ts = time();
+		else
+			_reader.skipCurrentElement();
+	}
+
+	return ts;
+}
+
+void KMLParser::lineString(TrackData &track)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "coordinates") {
+			if (!lineCoordinates(track))
+				_reader.raiseError("Invalid coordinates");
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void KMLParser::point(Waypoint &waypoint)
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "coordinates") {
+			if (!pointCoordinates(waypoint))
+				_reader.raiseError("Invalid coordinates");
+		} else
+			_reader.skipCurrentElement();
+	}
+
+	if (waypoint.coordinates().isNull())
+		_reader.raiseError("Missing Point coordinates");
+}
+
+void KMLParser::Track(TrackData &track)
+{
+	const char mismatchError[] = "gx:coord/when element count mismatch";
+	int i = track.size();
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "when") {
+			track.append(Trackpoint());
+			track.last().setTimestamp(time());
+		} else if (_reader.name() == "coord") {
+			if (i == track.size()) {
+				_reader.raiseError(mismatchError);
+				return;
+			} else if (!coord(track[i])) {
+				_reader.raiseError("Invalid coordinates");
+				return;
+			}
+			i++;
+		} else
+			_reader.skipCurrentElement();
+	}
+
+	if (i != track.size())
+		_reader.raiseError(mismatchError);
+}
+
+void KMLParser::placemark()
+{
+	QString name, desc;
+	QDateTime timestamp;
+
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "name")
+			name = _reader.readElementText();
+		else if (_reader.name() == "description")
+			desc = _reader.readElementText();
+		else if (_reader.name() == "TimeStamp")
+			timestamp = timeStamp();
+		else if (_reader.name() == "Point") {
+			_waypoints.append(Waypoint());
+			Waypoint &waypoint = _waypoints.last();
+			waypoint.setName(name);
+			waypoint.setDescription(desc);
+			waypoint.setTimestamp(timestamp);
+			point(waypoint);
+		} else if (_reader.name() == "LineString") {
+			_tracks.append(TrackData());
+			TrackData &track = _tracks.last();
+			track.setName(name);
+			track.setDescription(desc);
+			lineString(track);
+		} else if (_reader.name() == "Track") {
+			_tracks.append(TrackData());
+			TrackData &track = _tracks.last();
+			track.setName(name);
+			track.setDescription(desc);
+			Track(track);
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void KMLParser::folder()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "Placemark")
+			placemark();
+		else if (_reader.name() == "Folder")
+			folder();
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void KMLParser::document()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "Placemark")
+			placemark();
+		else if (_reader.name() == "Folder")
+			folder();
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void KMLParser::kml()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "Document")
+			document();
+		else if (_reader.name() == "Placemark")
+			placemark();
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+bool KMLParser::parse()
+{
+	if (_reader.readNextStartElement()) {
+		if (_reader.name() == "kml")
+			kml();
+		else
+			_reader.raiseError("Not a KML file");
+	}
+
+	return !_reader.error();
+}
+
+bool KMLParser::loadFile(QFile *file)
+{
+	_reader.clear();
+	_reader.setDevice(file);
+
+	return parse();
+}

src/kmlparser.h

@@ -0,0 +1,38 @@
+#ifndef KMLPARSER_H
+#define KMLPARSER_H
+
+#include <QXmlStreamReader>
+#include <QDateTime>
+#include "parser.h"
+
+class KMLParser : public Parser
+{
+public:
+	KMLParser(QList<TrackData> &tracks, QList<RouteData> &routes,
+	  QList<Waypoint> &waypoints) : Parser(tracks, routes, waypoints) {}
+	~KMLParser() {}
+
+	bool loadFile(QFile *file);
+	QString errorString() const {return _reader.errorString();}
+	int errorLine() const {return _reader.lineNumber();}
+
+private:
+	bool parse();
+	void kml();
+	void document();
+	void folder();
+	void placemark();
+	void Track(TrackData &track);
+	void lineString(TrackData &track);
+	void point(Waypoint &waypoint);
+	bool pointCoordinates(Waypoint &waypoint);
+	bool lineCoordinates(TrackData &track);
+	bool coord(Trackpoint &trackpoint);
+	QDateTime timeStamp();
+	qreal number();
+	QDateTime time();
+
+	QXmlStreamReader _reader;
+};
+
+#endif // KMLPARSER_H

src/ll.cpp

@@ -1,27 +0,0 @@
-#include <cmath>
-#include "ll.h"
-
-#ifndef M_PI
-	#define M_PI 3.14159265358979323846
-#endif // M_PI
-
-#define WGS84_RADIUS 6378137.0
-#define deg2rad(d) (((d)*M_PI)/180.0)
-#define rad2deg(d) (((d)*180.0)/M_PI)
-
-qreal llDistance(const QPointF &p1, const QPointF &p2)
-{
-	qreal dLat = deg2rad(p2.y() - p1.y());
-	qreal dLon = deg2rad(p2.x() - p1.x());
-	qreal a = pow(sin(dLat / 2.0), 2.0)
-	  + cos(deg2rad(p1.y())) * cos(deg2rad(p2.y())) * pow(sin(dLon / 2.0), 2.0);
-	qreal c = 2.0 * atan2(sqrt(a), sqrt(1.0 - a));
-
-	return (WGS84_RADIUS * c);
-}
-
-void ll2mercator(const QPointF &src, QPointF &dst)
-{
-	dst.setX(src.x());
-	dst.setY(rad2deg(log(tan(M_PI/4.0 + deg2rad(src.y())/2.0))));
-}

src/ll.h

@@ -1,9 +0,0 @@
-#ifndef LL_H
-#define LL_H
-
-#include <QPointF>
-
-void ll2mercator(const QPointF &src, QPointF &dst);
-qreal llDistance(const QPointF &p1, const QPointF &p2);
-
-#endif // LL_H

src/main.cpp

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

src/map.cpp

@@ -0,0 +1,134 @@
+#include <QFileInfo>
+#include <QDir>
+#include "downloader.h"
+#include "config.h"
+#include "map.h"
+
+
+Map::Map(QObject *parent, const QString &name, const QString &url)
+  : QObject(parent)
+{
+	_name = name;
+	_url = url;
+
+	connect(&Downloader::instance(), SIGNAL(finished()), this,
+	  SLOT(emitLoaded()));
+
+	QString path = TILES_DIR + QString("/") + _name;
+	if (!QDir().mkpath(path))
+		fprintf(stderr, "Error creating tiles dir: %s\n", qPrintable(path));
+}
+
+void Map::emitLoaded()
+{
+	emit loaded();
+}
+
+void Map::loadTiles(QList<Tile> &list, bool block)
+{
+	if (block)
+		loadTilesSync(list);
+	else
+		loadTilesAsync(list);
+}
+
+void Map::loadTilesAsync(QList<Tile> &list)
+{
+	QList<Download> dl;
+
+	for (int i = 0; i < list.size(); i++) {
+		Tile &t = list[i];
+		QString file = tileFile(t);
+		QFileInfo fi(file);
+
+		if (!fi.exists()) {
+			fillTile(t);
+			dl.append(Download(tileUrl(t), file));
+		} else
+			loadTileFile(t, file);
+	}
+
+	if (!dl.empty())
+		Downloader::instance().get(dl);
+}
+
+void Map::loadTilesSync(QList<Tile> &list)
+{
+	QList<Download> dl;
+
+	for (int i = 0; i < list.size(); i++) {
+		Tile &t = list[i];
+		QString file = tileFile(t);
+		QFileInfo fi(file);
+
+		if (!fi.exists())
+			dl.append(Download(tileUrl(t), file));
+		else
+			loadTileFile(t, file);
+	}
+
+	if (dl.empty())
+		return;
+
+	QEventLoop wait;
+	connect(&Downloader::instance(), SIGNAL(finished()), &wait, SLOT(quit()));
+	if (Downloader::instance().get(dl))
+		wait.exec();
+
+	for (int i = 0; i < list.size(); i++) {
+		Tile &t = list[i];
+
+		if (t.pixmap().isNull()) {
+			QString file = tileFile(t);
+			QFileInfo fi(file);
+
+			if (!(fi.exists() && loadTileFile(t, file)))
+				fillTile(t);
+		}
+	}
+}
+
+void Map::fillTile(Tile &tile)
+{
+	tile.pixmap() = QPixmap(Tile::size(), Tile::size());
+	tile.pixmap().fill();
+}
+
+bool Map::loadTileFile(Tile &tile, const QString &file)
+{
+	if (!tile.pixmap().load(file)) {
+		fprintf(stderr, "%s: error loading tile file\n", qPrintable(file));
+		return false;
+	}
+
+	return true;
+}
+
+QString Map::tileUrl(const Tile &tile)
+{
+	QString url(_url);
+
+	url.replace("$z", QString::number(tile.zoom()));
+	url.replace("$x", QString::number(tile.xy().x()));
+	url.replace("$y", QString::number(tile.xy().y()));
+
+	return url;
+}
+
+QString Map::tileFile(const Tile &tile)
+{
+	QString file = TILES_DIR + QString("/%1/%2-%3-%4").arg(_name)
+	  .arg(tile.zoom()).arg(tile.xy().x()).arg(tile.xy().y());
+
+	return file;
+}
+
+void Map::clearCache()
+{
+	QString path = TILES_DIR + QString("/") + _name;
+	QDir dir = QDir(path);
+	QStringList list = dir.entryList();
+
+	for (int i = 0; i < list.count(); i++)
+		dir.remove(list.at(i));
+}

src/map.h

@@ -0,0 +1,37 @@
+#ifndef MAP_H
+#define MAP_H
+
+#include "tile.h"
+
+class Map : public QObject
+{
+	Q_OBJECT
+
+public:
+	Map(QObject *parent = 0, const QString &name = QString(),
+	  const QString &url = QString());
+
+	const QString &name() const {return _name;}
+	void loadTiles(QList<Tile> &list, bool block);
+	void clearCache();
+
+signals:
+	void loaded();
+
+private slots:
+	void emitLoaded();
+
+private:
+	QString tileUrl(const Tile &tile);
+	QString tileFile(const Tile &tile);
+	bool loadTileFile(Tile &tile, const QString &file);
+	void fillTile(Tile &tile);
+
+	void loadTilesAsync(QList<Tile> &list);
+	void loadTilesSync(QList<Tile> &list);
+
+	QString _name;
+	QString _url;
+};
+
+#endif // MAP_H

src/maplist.cpp

@@ -0,0 +1,41 @@
+#include <QFile>
+#include <QFileInfo>
+#include "map.h"
+#include "maplist.h"
+
+
+QList<Map*> MapList::load(QObject *parent, const QString &fileName)
+{
+	QList<Map*> mapList;
+	QFileInfo fi(fileName);
+
+	if (!fi.exists())
+		return mapList;
+
+	QFile file(fileName);
+
+	if (!file.open(QFile::ReadOnly | QFile::Text)) {
+		fprintf(stderr, "Error opening map list file: %s: %s\n",
+		  qPrintable(fileName), qPrintable(file.errorString()));
+		return mapList;
+	}
+
+	int ln = 0;
+	while (!file.atEnd()) {
+		ln++;
+		QByteArray line = file.readLine();
+		QList<QByteArray> list = line.split('\t');
+		if (list.size() != 2) {
+			fprintf(stderr, "Invalid map list entry on line %d\n", ln);
+			continue;
+		}
+
+		QByteArray ba1 = list[0].trimmed();
+		QByteArray ba2 = list[1].trimmed();
+
+		mapList.append(new Map(parent, QString::fromUtf8(ba1.data(), ba1.size()),
+		  QString::fromLatin1(ba2.data(), ba2.size())));
+	}
+
+	return mapList;
+}

src/maplist.h

@@ -0,0 +1,17 @@
+#ifndef MAPLIST_H
+#define MAPLIST_H
+
+#include <QList>
+#include <QString>
+#include <QObject>
+
+class Map;
+
+class MapList
+{
+public:
+	static QList<Map*> load(QObject *parent = 0,
+	  const QString &fileName = QString());
+};
+
+#endif // MAPLIST_H

src/margins.cpp

@@ -0,0 +1,9 @@
+#include "margins.h"
+
+
+QDebug operator<<(QDebug dbg, const MarginsF &margins)
+{
+	dbg.nospace() << "MarginsF(" << margins.left() << ", " << margins.top()
+	  << ", " << margins.right() << margins.bottom() << ")";
+	return dbg.maybeSpace();
+}

src/margins.h

@@ -0,0 +1,30 @@
+#ifndef MARGINS_H
+#define MARGINS_H
+
+#include <QtGlobal>
+#include <QDebug>
+
+class MarginsF
+{
+public:
+	MarginsF() {_left = 0; _top = 0; _right = 0; _bottom = 0;}
+	MarginsF(qreal left, qreal top, qreal right, qreal bottom)
+	  {_left = left, _top = top; _right = right; _bottom = bottom;}
+
+	qreal left() const {return _left;}
+	qreal top() const {return _top;}
+	qreal right() const {return _right;}
+	qreal bottom() const {return _bottom;}
+
+	qreal &rleft() {return _left;}
+	qreal &rtop() {return _top;}
+	qreal &rright() {return _right;}
+	qreal &rbottom() {return _bottom;}
+
+private:
+	qreal _left, _top, _right, _bottom;
+};
+
+QDebug operator<<(QDebug dbg, const MarginsF &margins);
+
+#endif // MARGINS_H

src/markeritem.cpp

@@ -1,7 +1,9 @@
 #include <QPainter>
 #include "markeritem.h"
 
-#define SIZE 8
+
+#define SIZE  8
+#define WIDTH 2
 
 MarkerItem::MarkerItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
@@ -19,7 +21,8 @@ void MarkerItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option
 	Q_UNUSED(option);
 	Q_UNUSED(widget);
 
-	painter->setPen(Qt::red);
+	painter->setRenderHint(QPainter::Antialiasing, false);
+	painter->setPen(QPen(Qt::red, WIDTH));
 	painter->drawLine(-SIZE/2, 0, SIZE/2, 0);
 	painter->drawLine(0, -SIZE/2, 0, SIZE/2);
 

src/misc.cpp

@@ -0,0 +1,35 @@
+#include <cmath>
+#include "misc.h"
+
+
+double niceNum(double x, int round)
+{
+	int expv;
+	double f;
+	double nf;
+
+	expv = (int)floor(log10(x));
+	f = x / pow(10.0, expv);
+
+	if (round) {
+		if (f < 1.5)
+			nf = 1.0;
+		else if (f < 3.0)
+			nf = 2.0;
+		else if (f < 7.0)
+			nf = 5.0;
+		else
+			nf = 10.0;
+	} else {
+		if (f <= 1.0)
+			nf = 1.0;
+		else if (f <= 2.0)
+			nf = 2.0;
+		else if (f <= 5.0)
+			nf = 5.0;
+		else
+			nf = 10.0;
+	}
+
+	return nf * pow(10.0, expv);
+}

src/misc.h

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

src/palette.cpp

@@ -1,11 +1,11 @@
-#include "colorshop.h"
+#include "palette.h"
+
 
 #define HUE_INIT		0.1f
 #define HUE_INCREMENT	0.62f
 #define SATURATION		0.99f
 #define VALUE			0.99f
 
-
 static unsigned hsv2rgb(float h, float s, float v)
 {
 	unsigned hi;
@@ -43,12 +43,12 @@ static unsigned hsv2rgb(float h, float s, float v)
 	  + (unsigned)(b * 256);
 }
 
-ColorShop::ColorShop()
+Palette::Palette()
 {
 	_hueState = HUE_INIT;
 }
 
-QColor ColorShop::color()
+QColor Palette::color()
 {
 	_hueState += HUE_INCREMENT;
 	_hueState -= (int) _hueState;
@@ -56,7 +56,7 @@ QColor ColorShop::color()
 	return QColor(hsv2rgb(_hueState, SATURATION, VALUE));
 }
 
-void ColorShop::reset()
+void Palette::reset()
 {
 	_hueState = HUE_INIT;
 }