Various route-releated fixes & improvements

Refactoring/optimization/cleanup

Info.plist

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+	<key>CFBundleIconFile</key>
+	<string>@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>
+	</array>
+
+	<key>UTImportedTypeDeclarations</key>
+	<array>
+		<dict>
+			<key>UTTypeIdentifier</key>
+			<string>com.topografix.gpx</string>
+			<key>UTTypeReferenceURL</key>
+			<string>http://www.topografix.com/GPX/1/1</string>
+			<key>UTTypeDescription</key>
+			<string>GPS Exchange Format</string>
+			<key>UTTypeConformsTo</key>
+			<array>
+				<string>public.xml</string>
+			</array>
+			<key>UTTypeTagSpecification</key>
+			<dict>
+				<key>public.filename-extension</key>
+				<array>
+					<string>gpx</string>
+				</array>
+				<key>public.mime-type</key>
+				<string>application/gpx+xml</string>
+			</dict>
+		</dict>
+	</array>
+
+</dict>
+</plist>

README.md

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

build/env.bat

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

build/env64.bat

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

gpxsee.pro

@@ -1,4 +1,5 @@
 TARGET = GPXSee
+VERSION = 2.18
 QT += core \
     gui \
     network
@@ -26,14 +27,30 @@ HEADERS += src/config.h \
     src/downloader.h \
     src/units.h \
     src/scaleitem.h \
-    src/nicenum.h \
     src/waypoint.h \
     src/trackview.h \
     src/track.h \
     src/graphview.h \
     src/trackpoint.h \
     src/waypointitem.h \
-    src/palette.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
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/gpx.cpp \
@@ -52,13 +69,38 @@ SOURCES += src/main.cpp \
     src/maplist.cpp \
     src/downloader.cpp \
     src/scaleitem.cpp \
-    src/nicenum.cpp \
     src/trackview.cpp \
     src/track.cpp \
     src/graphview.cpp \
     src/waypointitem.cpp \
-    src/palette.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
 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 \
+        pkg/maps.txt
+    APP_RESOURCES.path = Contents/Resources
+    QMAKE_BUNDLE_DATA += APP_RESOURCES
+}
+win32 {
+    RC_ICONS = icons/gpxsee.ico \
+        icons/gpx.ico
+}
+DEFINES += APP_VERSION=\\\"$$VERSION\\\"

gpxsee.qrc

@@ -2,8 +2,8 @@
     <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>
@@ -13,7 +13,7 @@
         <file>icons/arrow-right.png</file>
         <file>icons/arrow-left-double.png</file>
         <file>icons/arrow-right-double.png</file>
+        <file>icons/view-fullscreen.png</file>
         <file>lang/gpxsee_cs.qm</file>
-        <file>maps.txt</file>
     </qresource>
 </RCC>

gpxsee.rc

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

pkg/gpxsee.nsi

@@ -3,9 +3,11 @@
 
 ; The name of the installer
 Name "GPXSee"
+; Program version
+!define VERSION "2.18"
 
 ; The file to write
-OutFile "install.exe"
+OutFile "GPXSee-${VERSION}.exe"
 
 ; Required execution level 
 RequestExecutionLevel admin
@@ -18,7 +20,9 @@ InstallDir "$PROGRAMFILES\GPXSee"
 InstallDirRegKey HKLM "Software\GPXSee" "Install_Dir"
 
 ; Registry key for uninstaller
-!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee" 
+!define REGENTRY "Software\Microsoft\Windows\CurrentVersion\Uninstall\GPXSee"
+; GPX file type registry entry
+!define REGGPX "GPXSee.gpx"
 
 ; Start menu page configuration
 !define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
@@ -55,8 +59,9 @@ Section "GPXSee (required)" SEC_APP
   ; Set output path to the installation directory.
   SetOutPath $INSTDIR
   
-  ; Put file there
+  ; Put the files there
   File "gpxsee.exe"
+  File "maps.txt"
   
   ; Write the installation path into the registry
   WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
@@ -64,7 +69,7 @@ Section "GPXSee (required)" SEC_APP
   ; Write the uninstall keys for Windows
   WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
   WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "2.8"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
   WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
   WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
   WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
@@ -78,6 +83,13 @@ Section "GPXSee (required)" SEC_APP
     CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
   !insertmacro MUI_STARTMENU_WRITE_END
 
+  ; Associate .gpx files
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
 SectionEnd
 
 Section "QT libs" SEC_QT
@@ -90,6 +102,7 @@ Section "QT libs" SEC_QT
   File "libGLESv2.dll"
   File /r "platforms"
   File /r "imageformats"
+  File /r "printsupport"
  
 SectionEnd
 
@@ -131,7 +144,12 @@ Section "Uninstall"
   SetShellVarContext all
   !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
   Delete "$SMPROGRAMS\$StartMenuFolder\*.*"
-  RMDir "$SMPROGRAMS\$StartMenuFolder"  
+  RMDir "$SMPROGRAMS\$StartMenuFolder"
+
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'  
 
 SectionEnd
 

pkg/gpxsee64.nsi

@@ -0,0 +1,177 @@
+!include "MUI2.nsh"
+!include "x64.nsh"
+
+; The name of the installer
+Name "GPXSee"
+; Program version
+!define VERSION "2.18"
+
+; 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"
+; GPX file type registry entry
+!define REGGPX "GPXSee.gpx" 
+
+; Start menu page configuration
+!define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKLM" 
+!define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\GPXSee" 
+!define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "GPXSee" 
+
+Var StartMenuFolder
+
+;--------------------------------
+
+; Pages
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_LICENSE "licence.txt"
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+;--------------------------------
+
+; Languages
+!insertmacro MUI_LANGUAGE "English"
+
+Function .onInit  
+  ${If} ${RunningX64}
+    SetRegView 64
+  ${Else}  
+    MessageBox MB_OK "The 64b version of GPXSee can not be run on 32b systems."  
+    Abort  
+  ${EndIf}
+FunctionEnd 
+
+; The stuff to install
+Section "GPXSee (required)" SEC_APP
+
+  SectionIn RO
+  
+  ; Set output path to the installation directory.
+  SetOutPath $INSTDIR
+  
+  ; Put the files there
+  File "gpxsee.exe"
+  File "maps.txt"
+  
+  ; Write the installation path into the registry
+  WriteRegStr HKLM SOFTWARE\GPXSee "Install_Dir" "$INSTDIR"
+  
+  ; Write the uninstall keys for Windows
+  WriteRegStr HKLM "${REGENTRY}" "DisplayName" "GPXSee"
+  WriteRegStr HKLM "${REGENTRY}" "Publisher" "Martin Tuma"
+  WriteRegStr HKLM "${REGENTRY}" "DisplayVersion" "${VERSION}"
+  WriteRegStr HKLM "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
+  WriteRegDWORD HKLM "${REGENTRY}" "NoModify" 1
+  WriteRegDWORD HKLM "${REGENTRY}" "NoRepair" 1
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+
+  ; Create start menu entry and add links
+  SetShellVarContext all
+  !insertmacro MUI_STARTMENU_WRITE_BEGIN Application  
+    CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+    CreateShortCut "$SMPROGRAMS\$StartMenuFolder\GPXSee.lnk" "$INSTDIR\gpxsee.exe"
+  !insertmacro MUI_STARTMENU_WRITE_END
+
+  ; Associate .gpx files
+  WriteRegStr HKCR ".gpx" "" "${REGGPX}"
+  WriteRegStr HKCR "${REGGPX}" ""  "GPS Exchange Format"
+  WriteRegStr HKCR "${REGGPX}\DefaultIcon" "" "$INSTDIR\GPXSee.exe,1"
+  WriteRegStr HKCR "${REGGPX}\shell\open\command" "" "$\"$INSTDIR\GPXSee.exe$\" $\"%1$\""
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+Section "QT libs" SEC_QT
+
+  File "Qt5Core.dll"
+  File "Qt5Gui.dll"
+  File "Qt5Widgets.dll"
+  File "Qt5PrintSupport.dll"
+  File "Qt5Network.dll"
+  File "libGLESv2.dll"
+  File /r "platforms"
+  File /r "imageformats"
+  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 "$SMPROGRAMS\$StartMenuFolder"
+  
+  ; Remove GPX file association
+  DeleteRegKey HKCR "${REGGPX}"
+  DeleteRegKey HKCR ".gpx"
+  System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
+
+SectionEnd
+
+;-------------------------------
+
+;Descriptions
+
+;Language strings
+LangString DESC_QT ${LANG_ENGLISH} \
+  "QT Library. Unselct only if you have QT already installed!"
+LangString DESC_MSVC ${LANG_ENGLISH} \
+  "Visual C++ 2015 runtime components. Unselct only if you have the runtime already installed!"
+LangString DESC_APP ${LANG_ENGLISH} \
+  "GPXSee application"
+
+;Assign language strings to sections
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_QT} $(DESC_QT)
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
+  !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
+!insertmacro MUI_FUNCTION_DESCRIPTION_END

src/app.cpp

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

src/app.h

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

src/axisitem.cpp

@@ -1,7 +1,7 @@
 #include <cmath>
 #include <QPainter>
 #include "config.h"
-#include "nicenum.h"
+#include "misc.h"
 #include "axisitem.h"
 
 
@@ -36,25 +36,25 @@ AxisItem::AxisItem(Type type, QGraphicsItem *parent) : QGraphicsItem(parent)
 	_size = 0;
 }
 
-void AxisItem::setRange(const QPointF &range)
+void AxisItem::setRange(const RangeF &range)
 {
+	prepareGeometryChange();
 	_range = range;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::setSize(qreal size)
 {
+	prepareGeometryChange();
 	_size = size;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::setLabel(const QString& label)
 {
+	prepareGeometryChange();
 	_label = label;
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void AxisItem::updateBoundingRect()
@@ -67,7 +67,7 @@ void AxisItem::updateBoundingRect()
 	struct Label l;
 
 
-	l = label(_range.x(), _range.y(), (_type == X) ? XTICKS : YTICKS);
+	l = label(_range.min(), _range.max(), (_type == X) ? XTICKS : YTICKS);
 	es = fm.tightBoundingRect(QString::number(l.max));
 	ss = fm.tightBoundingRect(QString::number(l.min));
 	ls = fm.tightBoundingRect(_label);
@@ -77,9 +77,20 @@ void AxisItem::updateBoundingRect()
 		_size + es.width()/2 + ss.width()/2,
 		ls.height() + es.height() - fm.descent() + TICK + 2*PADDING);
 	} else {
-		_boundingRect = QRectF(-(ls.height() + es.width() + 2*PADDING
+		int mtw = 0;
+		QRect ts;
+		qreal val;
+
+		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
+			val = l.min + i * l.d;
+			QString str = QString::number(val);
+			ts = fm.tightBoundingRect(str);
+			mtw = qMax(ts.width(), mtw);
+		}
+
+		_boundingRect = QRectF(-(ls.height() + mtw + 2*PADDING
 		  - fm.descent() + TICK/2), -(_size + es.height()/2
-		  + fm.descent()), ls.height() -fm.descent() + es.width() + 2*PADDING
+		  + fm.descent()), ls.height() -fm.descent() + mtw + 2*PADDING
 		  + TICK, _size + es.height()/2 + fm.descent() + ss.height()/2);
 	}
 }
@@ -95,7 +106,7 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	QFontMetrics fm(font);
 	QRect ts, ls;
 	struct Label l;
-	qreal range = _range.y() - _range.x();
+	qreal range = _range.size();
 	qreal val;
 
 
@@ -106,15 +117,15 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	if (_type == X) {
 		painter->drawLine(0, 0, _size, 0);
 
-		l = label(_range.x(), _range.y(), XTICKS);
+		l = label(_range.min(), _range.max(), XTICKS);
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine((_size/range) * (val - _range.x()), TICK/2,
-			  (_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);
 		}
 
@@ -123,21 +134,23 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	} else {
 		painter->drawLine(0, 0, 0, -_size);
 
-		l = label(_range.x(), _range.y(), YTICKS);
+		l = label(_range.min(), _range.max(), YTICKS);
+		int mtw = 0;
 		for (int i = 0; i < ((l.max - l.min) / l.d) + 1; i++) {
 			val = l.min + i * l.d;
 			QString str = QString::number(val);
 
-			painter->drawLine(TICK/2, -((_size/range) * (val - _range.x())),
-			  -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);
 	}
 
@@ -147,7 +160,7 @@ void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 */
 }
 
-QSizeF AxisItem::margin()
+QSizeF AxisItem::margin() const
 {
 	QFont font;
 	font.setPixelSize(FONT_SIZE);
@@ -156,7 +169,7 @@ 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);
@@ -165,7 +178,18 @@ 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());
 	}
 }

src/axisitem.h

@@ -2,6 +2,7 @@
 #define AXISITEM_H
 
 #include <QGraphicsItem>
+#include "range.h"
 
 class AxisItem : public QGraphicsItem
 {
@@ -14,17 +15,17 @@ 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;
 
 private:
 	void updateBoundingRect();
 
 	Type _type;
-	QPointF _range;
+	RangeF _range;
 	qreal _size;
 	QString _label;
 	QRectF _boundingRect;

src/config.h

@@ -1,20 +1,37 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#define APP_NAME       "GPXSee"
-#define APP_HOMEPAGE   "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "2.8"
+#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 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 APP_DIR        "GPXSee"
+#define USER_DIR        QDir::homePath() + QString("/GPXSee")
+#define GLOBAL_DIR      QApplication::applicationDirPath()
+#elif defined(Q_OS_MAC)
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QApplication::applicationDirPath() \
+                          + QString("/../Resources")
 #else
-#define APP_DIR        ".gpxsee"
+#define USER_DIR        QDir::homePath() + QString("/.gpxsee")
+#define GLOBAL_DIR      QString("/usr/share/gpxsee")
 #endif
-#define POI_DIR        APP_DIR"/POI"
-#define TILES_DIR      APP_DIR"/tiles"
-#define MAP_LIST_FILE  APP_DIR"/maps.txt"
+
+#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/cpuarch.h

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

src/downloader.cpp

@@ -14,7 +14,8 @@
 #define PLATFORM_STR "Unknown"
 #endif
 
-#define USER_AGENT APP_NAME"/"APP_VERSION" ("PLATFORM_STR"; Qt "QT_VERSION_STR")"
+#define USER_AGENT \
+	APP_NAME "/" APP_VERSION " (" PLATFORM_STR "; Qt " QT_VERSION_STR ")"
 
 Downloader::Downloader()
 {
@@ -22,12 +23,12 @@ Downloader::Downloader()
 			SLOT(downloadFinished(QNetworkReply*)));
 }
 
-void Downloader::doDownload(const Download &dl)
+bool Downloader::doDownload(const Download &dl)
 {
 	QUrl url(dl.url());
 
 	if (_errorDownloads.contains(url))
-		return;
+		return false;
 
 	QNetworkRequest request(url);
 	request.setAttribute(QNetworkRequest::User, QVariant(dl.file()));
@@ -35,6 +36,8 @@ void Downloader::doDownload(const Download &dl)
 	QNetworkReply *reply = _manager.get(request);
 
 	_currentDownloads.append(reply);
+
+	return true;
 }
 
 bool Downloader::saveToDisk(const QString &filename, QIODevice *data)
@@ -61,9 +64,17 @@ void Downloader::downloadFinished(QNetworkReply *reply)
 		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();
-		saveToDisk(filename, reply);
+
+		if (!redirect.isEmpty()) {
+			Download dl(redirect, filename);
+			doDownload(dl);
+		} else
+			if (!saveToDisk(filename, reply))
+				_errorDownloads.insert(url);
 	}
 
 	_currentDownloads.removeAll(reply);
@@ -73,8 +84,12 @@ void Downloader::downloadFinished(QNetworkReply *reply)
 		emit finished();
 }
 
-void Downloader::get(const QList<Download> &list)
+bool Downloader::get(const QList<Download> &list)
 {
+	bool finishEmitted = false;
+
 	for (int i = 0; i < list.count(); i++)
-		doDownload(list.at(i));
+		finishEmitted |= doDownload(list.at(i));
+
+	return finishEmitted;
 }

src/downloader.h

@@ -12,13 +12,13 @@
 class Download
 {
 public:
-	Download(const QString &url, const QString &file)
+	Download(const QUrl &url, const QString &file)
 		{_url = url; _file = file;}
-	const QString& url() const {return _url;}
+	const QUrl& url() const {return _url;}
 	const QString& file() const {return _file;}
 
 private:
-	QString _url;
+	QUrl _url;
 	QString _file;
 };
 
@@ -30,7 +30,7 @@ class Downloader : public QObject
 public:
 	static Downloader& instance()
 		{static Downloader i; return i;}
-	void get(const QList<Download> &list);
+	bool get(const QList<Download> &list);
 
 signals:
 	void finished();
@@ -43,7 +43,7 @@ private:
 	Downloader(Downloader const&);
 	void operator=(Downloader const&);
 
-	void doDownload(const Download &dl);
+	bool doDownload(const Download &dl);
 	bool saveToDisk(const QString &filename, QIODevice *data);
 
 	QNetworkAccessManager _manager;

src/elevationgraph.cpp

@@ -1,98 +1,257 @@
-#include <float.h>
+#include <cmath>
 #include "config.h"
 #include "gpx.h"
 #include "elevationgraph.h"
 
 
-ElevationGraph::ElevationGraph(QWidget *parent) : GraphView(parent)
+static qreal nMin(qreal a, qreal b)
 {
-	_ascent = 0;
-	_descent = 0;
-	_max = -FLT_MAX;
-	_min = FLT_MAX;
-
-	GraphView::setXLabel(tr("Distance"));
-	GraphView::setYLabel(tr("Elevation"));
-	GraphView::setXUnits(tr("km"));
-	GraphView::setYUnits(tr("m"));
-	GraphView::setXScale(M2KM);
+	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::addInfo()
+static qreal nMax(qreal a, qreal b)
 {
-	GraphView::addInfo(tr("Ascent"), QString::number(_ascent * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Descent"), QString::number(_descent * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Maximum"), QString::number(_max * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Minimum"), QString::number(_min * _yScale, 'f', 0)
-	  + UNIT_SPACE + _yUnits);
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMax(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
+
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
+{
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
+
+	_showRoutes = true;
+	_showTracks = true;
+
+	_units = Metric;
+
+	setYUnits();
+	setXLabel(tr("Distance"));
+	setYLabel(tr("Elevation"));
+
+	setMinYRange(50.0);
+}
+
+void ElevationGraph::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::loadPath(const QVector<QPointF> &data, Type type)
+{
+	qreal ascent = 0, descent = 0;
+	qreal min, max;
+
+	if (data.count() < 2) {
+		skipColor();
+		return;
+	}
+
+	max = min = data.at(0).y();
+	for (int j = 1; j < data.size(); j++) {
+		qreal cur = data.at(j).y();
+		qreal prev = data.at(j-1).y();
+
+		if (cur > prev)
+			ascent += cur - prev;
+		if (cur < prev)
+			descent += prev - cur;
+
+		if (cur < min)
+			min = cur;
+		if (cur > max)
+			max = cur;
+	}
+
+	if (type == Track) {
+		_trackAscent += ascent;
+		_trackDescent += descent;
+		_trackMax = nMax(_trackMax, max);
+		_trackMin = nMin(_trackMin, min);
+	} else {
+		_routeAscent += ascent;
+		_routeDescent += descent;
+		_routeMax = nMax(_routeMax, max);
+		_routeMin = nMin(_routeMin, min);
+	}
+
+	loadData(data, type);
 }
 
 void ElevationGraph::loadGPX(const GPX &gpx)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
-		qreal min, max, ascent = 0, descent = 0;
+	for (int i = 0; i < gpx.tracks().count(); i++)
+		loadPath(gpx.tracks().at(i)->elevation(), Track);
+	for (int i = 0; i < gpx.routes().count(); i++)
+		loadPath(gpx.routes().at(i)->elevation(), Route);
 
-		gpx.track(i).elevationGraph(data);
-		if (data.isEmpty())
-			continue;
+	setXUnits();
+	setInfo();
 
-		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();
-
-			if (cur > prev)
-				ascent += cur - prev;
-			if (cur < prev)
-				descent += prev - cur;
-
-			if (cur > max)
-				max = cur;
-			if (cur < min)
-				min = cur;
-		}
-
-		_ascent += ascent;
-		_descent += descent;
-		_max = qMax(_max, max);
-		_min = qMin(_min, min);
-
-		addInfo();
-		loadData(data);
-	}
+	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;
 
 	GraphView::clear();
 }
 
+void ElevationGraph::setXUnits()
+{
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
+			GraphView::setXUnits(tr("km"));
+			setXScale(M2KM);
+		}
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
+		} else {
+			GraphView::setXUnits(tr("mi"));
+			setXScale(M2MI);
+		}
+	}
+}
+
+void ElevationGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("m"));
+		setYScale(1);
+	} else {
+		GraphView::setYUnits(tr("ft"));
+		setYScale(M2FT);
+	}
+}
+
 void ElevationGraph::setUnits(enum Units units)
 {
-	if (units == Metric) {
-		GraphView::setXUnits(tr("km"));
-		GraphView::setYUnits(tr("m"));
-		GraphView::setXScale(M2KM);
-		GraphView::setYScale(1);
-	} else {
-		GraphView::setXUnits(tr("mi"));
-		GraphView::setYUnits(tr("ft"));
-		GraphView::setXScale(M2MI);
-		GraphView::setYScale(M2FT);
-	}
+	_units = units;
 
-	clearInfo();
-	addInfo();
+	setXUnits();
+	setYUnits();
+	setInfo();
 
 	redraw();
 }
+
+void ElevationGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	setInfo();
+	showGraph(show, Track);
+	setXUnits();
+
+	redraw();
+}
+
+void ElevationGraph::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	showGraph(show, Route);
+	setXUnits();
+	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

@@ -1,32 +1,45 @@
 #ifndef ELEVATIONGRAPH_H
 #define ELEVATIONGRAPH_H
 
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
 class GPX;
 
-class ElevationGraph : public GraphView
+class ElevationGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	ElevationGraph(QWidget *parent = 0);
 
+	QString label() const {return tr("Elevation");}
 	void loadGPX(const GPX &gpx);
 	void clear();
 	void setUnits(enum Units units);
-
-	qreal ascent() const {return _ascent;}
-	qreal descent() const {return _descent;}
-	qreal max() const {return _max;}
-	qreal min() const {return _min;}
+	void showTracks(bool show);
+	void showRoutes(bool show);
 
 private:
-	void addInfo();
+	enum Type {Track, Route};
 
-	qreal _ascent, _descent;
-	qreal _max, _min;
+	qreal max() const;
+	qreal min() const;
+	qreal ascent() const;
+	qreal descent() const;
+
+	void setXUnits();
+	void setYUnits();
+	void setInfo();
+
+	void loadPath(const QVector<QPointF> &data, Type type);
+
+	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 +1,174 @@
+#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);
+#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

@@ -41,12 +41,12 @@ void FileBrowser::setFilter(const QStringList &filter)
 		reloadDirectory(_files.last().canonicalPath());
 }
 
-bool FileBrowser::isLast()
+bool FileBrowser::isLast() const
 {
 	return (_files.size() > 0 && _index == _files.size() - 1);
 }
 
-bool FileBrowser::isFirst()
+bool FileBrowser::isFirst() const
 {
 	return (_files.size() > 0 && _index == 0);
 }

src/filebrowser.h

@@ -23,8 +23,8 @@ public:
 	QString last();
 	QString first();
 
-	bool isLast();
-	bool isFirst();
+	bool isLast() const;
+	bool isFirst() const;
 
 private slots:
 	void reloadDirectory(const QString &path);

src/fileselectwidget.cpp

@@ -0,0 +1,33 @@
+#include <QPushButton>
+#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());
+	_button = new QPushButton(tr("Browse..."));
+	connect(_button, SIGNAL(clicked()), this, SLOT(browse()));
+
+	QHBoxLayout *layout = new QHBoxLayout();
+	layout->setMargin(0);
+	layout->addWidget(_edit);
+	layout->addWidget(_button);
+	setLayout(layout);
+}
+
+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 +1,30 @@
+#ifndef FILESELECTWIDGET_H
+#define FILESELECTWIDGET_H
+
+#include <QWidget>
+#include <QLineEdit>
+
+class QPushButton;
+
+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;
+	QPushButton *_button;
+
+	QString _filter;
+};
+
+#endif // FILESELECTWIDGET_H

src/gpx.cpp

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

src/gpx.h

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

src/graphitem.cpp

@@ -0,0 +1,10 @@
+#include <QBrush>
+#include <QPen>
+#include "graphitem.h"
+
+void GraphItem::setColor(const QColor &color)
+{
+	QBrush brush(color, Qt::SolidPattern);
+	QPen pen(brush, 0);
+	setPen(pen);
+}

src/graphitem.h

@@ -0,0 +1,20 @@
+#ifndef GRAPHITEM_H
+#define GRAPHITEM_H
+
+#include <QGraphicsPathItem>
+
+class GraphItem : public QGraphicsPathItem
+{
+public:
+	GraphItem(const QPainterPath &path, QGraphicsItem * parent = 0)
+	  : QGraphicsPathItem(path, parent) {_id = 0;}
+
+	int id() const {return _id;}
+	void setId(int id) {_id = id;}
+	void setColor(const QColor &color);
+
+private:
+	int _id;
+};
+
+#endif // GRAPHITEM_H

src/graphtab.h

@@ -0,0 +1,25 @@
+#ifndef GRAPHTAB_H
+#define GRAPHTAB_H
+
+#include "graphview.h"
+#include "units.h"
+
+class GPX;
+
+class GraphTab : public GraphView
+{
+	Q_OBJECT
+
+public:
+	GraphTab(QWidget *parent = 0) : GraphView(parent)
+	  {setFrameShape(QFrame::NoFrame);}
+
+	virtual QString label() const = 0;
+	virtual void loadGPX(const GPX &gpx) = 0;
+	virtual void clear() = 0;
+	virtual void setUnits(enum Units units) = 0;
+	virtual void showTracks(bool show) = 0;
+	virtual void showRoutes(bool show) = 0;
+};
+
+#endif // GRAPHTAB_H

src/graphview.cpp

@@ -1,18 +1,19 @@
-#include <float.h>
-#include <QGraphicsView>
 #include <QGraphicsSceneMouseEvent>
 #include <QEvent>
-#include <QGraphicsSimpleTextItem>
+#include <QPaintEngine>
+#include <QPaintDevice>
 #include "config.h"
 #include "axisitem.h"
 #include "slideritem.h"
 #include "sliderinfoitem.h"
 #include "infoitem.h"
+#include "graphitem.h"
 #include "graphview.h"
 
 
 #define MARGIN 10.0
 
+
 void Scene::mousePressEvent(QGraphicsSceneMouseEvent *e)
 {
 	if (e->button() == Qt::LeftButton)
@@ -28,31 +29,30 @@ GraphView::GraphView(QWidget *parent)
 	_scene = new Scene(this);
 	setScene(_scene);
 
+	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
 	_xAxis = new AxisItem(AxisItem::X);
 	_yAxis = new AxisItem(AxisItem::Y);
-
 	_slider = new SliderItem();
 	_slider->setZValue(2.0);
+	_sliderInfo = new SliderInfoItem(_slider);
+	_sliderInfo->setZValue(2.0);
+	_info = new InfoItem();
 
 	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
 	  SLOT(emitSliderPositionChanged(const QPointF&)));
 	connect(_scene, SIGNAL(mouseClicked(const QPointF&)), this,
 	  SLOT(newSliderPosition(const QPointF&)));
 
-	_info = new InfoItem();
-
-	_sliderInfo = new SliderInfoItem(_slider);
-	_sliderInfo->setZValue(2.0);
-
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
-
 	_xScale = 1;
 	_yScale = 1;
+	_yOffset = 0;
 
 	_precision = 0;
+	_minYRange = 0.01;
+
+	_sliderPos = 0;
 }
 
 GraphView::~GraphView()
@@ -61,26 +61,14 @@ GraphView::~GraphView()
 		delete _xAxis;
 	if (_yAxis->scene() != _scene)
 		delete _yAxis;
-
 	if (_slider->scene() != _scene)
 		delete _slider;
-
 	if (_info->scene() != _scene)
 		delete _info;
 
-	delete _scene;
-}
-
-void GraphView::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();
+	for (int i = 0; i < _graphs.count(); i++)
+		if (_graphs.at(i)->scene() != _scene)
+			delete _graphs[i];
 }
 
 void GraphView::createXLabel()
@@ -117,192 +105,295 @@ void GraphView::setYUnits(const QString &units)
 	createYLabel();
 }
 
-void GraphView::setXScale(qreal scale)
-{
-	_xScale = scale;
-}
-
-void GraphView::setYScale(qreal scale)
-{
-	_yScale = scale;
-}
-
-void GraphView::loadData(const QVector<QPointF> &data)
+void GraphView::loadData(const QVector<QPointF> &data, int id)
 {
 	QPainterPath path;
-	QGraphicsPathItem *pi;
+	GraphItem *pi;
 
 
 	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));
+		const QPointF &p = data.at(i);
+		path.lineTo(p.x(), -p.y());
 	}
 
-	pi = new QGraphicsPathItem(path);
-	QBrush brush(_palette.color(), Qt::SolidPattern);
-	QPen pen(brush, 0);
-	pi->setPen(pen);
-	_scene->addItem(pi);
+	pi = new GraphItem(path);
+	pi->setId(id);
+	pi->setColor(_palette.color());
+
 	_graphs.append(pi);
 
-	if (_graphs.size() > 1)
-		_sliderInfo->hide();
+	if (!_hide.contains(id)) {
+		_visible.append(pi);
+		_scene->addItem(pi);
+		updateBounds(path);
+	}
+}
 
-	redraw();
+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);
+			updateBounds(gi->path());
+		}
+	}
 }
 
 void GraphView::redraw()
 {
-	if (!_graphs.isEmpty())
-		resize(viewport()->size() - QSizeF(MARGIN, MARGIN));
+	redraw(viewport()->size() - QSizeF(MARGIN, MARGIN));
 }
 
-void GraphView::resize(const QSizeF &size)
+void GraphView::updateBounds(const QPainterPath &path)
+{
+	QRectF br = path.boundingRect();
+	br.moveTopLeft(QPointF(br.left(), -br.top() - br.height()));
+	_bounds |= br;
+}
+
+QRectF GraphView::graphsBoundingRect() const
+{
+	QRectF rect;
+
+	for (int i = 0; i < _visible.count(); i++)
+		rect |= _visible.at(i)->boundingRect();
+
+	return rect;
+}
+
+void GraphView::redraw(const QSizeF &size)
 {
 	QRectF r;
 	QSizeF mx, my;
+	RangeF rx, ry;
 	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);
+	if (_visible.isEmpty()) {
+		removeItem(_xAxis);
+		removeItem(_yAxis);
+		removeItem(_slider);
+		removeItem(_info);
+		_scene->setSceneRect(QRectF());
+		return;
+	}
 
-	for (int i = 0; i < _graphs.size(); i++)
-		_graphs.at(i)->resetTransform();
+	addItem(_xAxis);
+	addItem(_yAxis);
+	addItem(_slider);
+	addItem(_info);
 
-	_xAxis->setRange(QPointF(_xMin * _xScale, _xMax * _xScale));
-	_yAxis->setRange(QPointF(_yMin * _yScale, _yMax * _yScale));
+	rx = RangeF(_bounds.left() * _xScale, _bounds.right() * _xScale);
+	ry = RangeF(_bounds.top() * _yScale + _yOffset, _bounds.bottom() * _yScale
+	  + _yOffset);
+	if (ry.size() < _minYRange)
+		ry.resize(_minYRange);
+
+	_xAxis->setRange(rx);
+	_yAxis->setRange(ry);
 	mx = _xAxis->margin();
 	my = _yAxis->margin();
-	r = _scene->itemsBoundingRect();
+
+	r = graphsBoundingRect();
+	if (r.height() < _minYRange)
+		r.adjust(0, -(_minYRange/2 - r.height()/2), 0,
+		  _minYRange/2 - r.height()/2);
+
 	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);
+	for (int i = 0; i < _visible.size(); i++)
+		_visible.at(i)->setTransform(transform);
+
+	QPointF p(r.left() * xs, r.top() * ys);
+	QSizeF s(r.width() * xs, r.height() * ys);
+	r = QRectF(p, s);
+	if (r.height() < _minYRange * ys)
+		r.adjust(0, -(_minYRange/2 * ys - r.height()/2), 0,
+		  (_minYRange/2) * ys - r.height()/2);
 
-	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);
 
-	qreal sp = (_slider->pos().x() == _slider->area().left())
-		? 0 : (_slider->pos().x() - _slider->area().left())
-		  / _slider->area().width();
 	_slider->setArea(r);
-	_slider->setPos(QPointF(sp * r.width(), r.bottom()));
-	_scene->addItem(_slider);
+	updateSliderPosition();
 
-	const QPainterPath &path = _graphs.at(0)->path();
-	QPointF p = path.pointAtPercent(sp);
-	_sliderInfo->setText(QString::number(-p.y() * _yScale, 'f', _precision));
-
-	r = _scene->itemsBoundingRect();
+	r |= _xAxis->sceneBoundingRect();
+	r |= _yAxis->sceneBoundingRect();
 	_info->setPos(r.topLeft() + QPointF(r.width()/2
 	  - _info->boundingRect().width()/2, -_info->boundingRect().height()));
-	_scene->addItem(_info);
 
 	_scene->setSceneRect(_scene->itemsBoundingRect());
 }
 
 void GraphView::resizeEvent(QResizeEvent *)
 {
-	if (!_graphs.empty())
-		redraw();
+	redraw();
 }
 
 void GraphView::plot(QPainter *painter, const QRectF &target)
 {
-	qreal ratio = target.width() / target.height();
-	QSizeF orig = _scene->sceneRect().size();
-	QSizeF canvas = QSizeF(orig.height() * ratio, orig.height());
+	qreal ratio = painter->paintEngine()->paintDevice()->logicalDpiX()
+	  / SCREEN_DPI;
+	QSizeF canvas = QSizeF(target.width() / ratio, target.height() / ratio);
 
-	resize(canvas);
-	_slider->hide();
-	_info->hide();
-	_scene->render(painter, target, QRectF());
+	setUpdatesEnabled(false);
+	redraw(canvas);
+	if (_slider->pos().x() == _slider->area().left())
+		_slider->hide();
+	_scene->render(painter, target);
 	_slider->show();
-	_info->show();
-	resize(orig);
+	redraw();
+	setUpdatesEnabled(true);
 }
 
 void GraphView::clear()
 {
-	if (_xAxis->scene() == _scene)
-		_scene->removeItem(_xAxis);
-	if (_yAxis->scene() == _scene)
-		_scene->removeItem(_yAxis);
-
-	if (_slider->scene() == _scene)
-		_scene->removeItem(_slider);
-
-	if (_info->scene() == _scene)
-		_scene->removeItem(_info);
-	_sliderInfo->show();
-
 	_slider->clear();
 	_info->clear();
-	_scene->clear();
+
+	for (int i = 0; i < _graphs.count(); i++)
+		delete _graphs[i];
+
 	_graphs.clear();
+	_visible.clear();
 	_palette.reset();
 
-	_xMax = -FLT_MAX;
-	_xMin = FLT_MAX;
-	_yMax = -FLT_MAX;
-	_yMin = FLT_MAX;
+	_bounds = QRectF();
+	_sliderPos = 0;
 
 	_scene->setSceneRect(0, 0, 0, 0);
 }
 
-void GraphView::emitSliderPositionChanged(const QPointF &pos)
+static qreal yAtX(const QPainterPath &path, qreal x)
 {
-	if (_graphs.isEmpty())
-		return;
+	int low = 0;
+	int high = path.elementCount() - 1;
+	int mid = 0;
 
-	qreal val = pos.x() / _slider->area().width();
-	emit sliderPositionChanged(val);
+	Q_ASSERT(high > low);
+	Q_ASSERT(x >= path.elementAt(low).x && x <= path.elementAt(high).x);
 
-	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));
+	while (low <= high) {
+		mid = low + ((high - low) / 2);
+		const QPainterPath::Element &e = path.elementAt(mid);
+		if (e.x > x)
+			high = mid - 1;
+		else if (e.x < x)
+			low = mid + 1;
+		else
+			return e.y;
+	}
+
+	QLineF l;
+	if (path.elementAt(mid).x < x)
+		l = QLineF(path.elementAt(mid).x, path.elementAt(mid).y,
+		  path.elementAt(mid+1).x, path.elementAt(mid+1).y);
+	else
+		l = QLineF(path.elementAt(mid-1).x, path.elementAt(mid-1).y,
+		  path.elementAt(mid).x, path.elementAt(mid).y);
+
+	return l.pointAt((x - l.p1().x()) / (l.p2().x() - l.p1().x())).y();
 }
 
-qreal GraphView::sliderPosition() const
+void GraphView::updateSliderPosition()
 {
-	return _slider->pos().x() / _slider->area().width();
+	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;
+
+	const QPainterPath &path = _visible.first()->path();
+	QRectF br = path.boundingRect();
+	if (br.height() < _minYRange)
+		br.adjust(0, -(_minYRange/2 - br.height()/2), 0,
+		  _minYRange/2 - br.height()/2);
+
+	qreal y = yAtX(path, _sliderPos);
+	qreal r = (y - br.bottom()) / br.height();
+
+	qreal pos = (_sliderPos / _bounds.width()) * _slider->area().width();
+	SliderInfoItem::Side s = (pos + _sliderInfo->boundingRect().width()
+	  > _slider->area().right()) ? SliderInfoItem::Left : SliderInfoItem::Right;
+
+	_sliderInfo->setSide(s);
+	_sliderInfo->setPos(QPointF(0, _slider->boundingRect().height() * r));
+	_sliderInfo->setText(QString::number(-y * _yScale + _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)
 {
-	_slider->setPos(pos * _slider->area().width(), 0);
+	if (_visible.isEmpty())
+		return;
+
+	_sliderPos = pos;
+	updateSliderPosition();
 }
 
 void GraphView::newSliderPosition(const QPointF &pos)
 {
-	if (_slider->area().contains(pos)) {
+	if (_slider->area().contains(pos))
 		_slider->setPos(pos);
-		emitSliderPositionChanged(pos);
-	}
 }
 
 void GraphView::addInfo(const QString &key, const QString &value)

src/graphview.h

@@ -5,14 +5,15 @@
 #include <QGraphicsScene>
 #include <QVector>
 #include <QList>
+#include <QSet>
 #include <QPointF>
 #include "palette.h"
 
-
 class AxisItem;
 class SliderItem;
 class SliderInfoItem;
 class InfoItem;
+class GraphItem;
 
 class Scene : public QGraphicsScene
 {
@@ -34,37 +35,48 @@ public:
 	GraphView(QWidget *parent = 0);
 	~GraphView();
 
-	void loadData(const QVector<QPointF> &data);
+	void loadData(const QVector<QPointF> &data, int id = 0);
+	int count() const {return _graphs.count();}
+	void redraw();
+	void clear();
+
+	void showGraph(bool show, int id = 0);
+
+	const QString &xLabel() const {return _xLabel;}
+	const QString &yLabel() const {return _yLabel;}
+	const QString &xUnits() const {return _xUnits;}
+	const QString &yUnits() const {return _yUnits;}
+	qreal xScale() const {return _xScale;}
+	qreal yScale() const {return _yScale;}
+	qreal yOffset() const {return _yOffset;}
+
 	void setXLabel(const QString &label);
 	void setYLabel(const QString &label);
 	void setXUnits(const QString &units);
 	void setYUnits(const QString &units);
-	void setXScale(qreal scale);
-	void setYScale(qreal scale);
-	void setPrecision(int p) {_precision = p;}
+	void setXScale(qreal scale) {_xScale = scale;}
+	void setYScale(qreal scale) {_yScale = scale;}
+	void setYOffset(qreal offset) {_yOffset = offset;}
 
-	void redraw();
+	void setSliderPrecision(int precision) {_precision = precision;}
+	void setMinYRange(qreal range) {_minYRange = range;}
 
-	void plot(QPainter *painter, const QRectF &target);
-	void clear();
-
-	qreal sliderPosition() const;
+	qreal sliderPosition() const {return _sliderPos;}
 	void setSliderPosition(qreal pos);
 
-	void addInfo(const QString &key, const QString &value);
-	void clearInfo();
+	void plot(QPainter *painter, const QRectF &target);
 
 signals:
 	void sliderPositionChanged(qreal);
 
 protected:
+	const QRectF &bounds() const {return _bounds;}
+	void redraw(const QSizeF &size);
+	void addInfo(const QString &key, const QString &value);
+	void clearInfo();
+	void skipColor() {_palette.color();}
 	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);
@@ -72,8 +84,20 @@ private slots:
 private:
 	void createXLabel();
 	void createYLabel();
-	void updateBounds(const QPointF &point);
-	void resize(const QSizeF &size);
+	void updateSliderPosition();
+	void updateSliderInfo();
+	void updateBounds(const QPainterPath &path);
+	QRectF graphsBoundingRect() const;
+	void removeItem(QGraphicsItem *item);
+	void addItem(QGraphicsItem *item);
+
+	qreal _xScale, _yScale;
+	qreal _yOffset;
+	QString _xUnits, _yUnits;
+	QString _xLabel, _yLabel;
+	int _precision;
+	qreal _minYRange;
+	qreal _sliderPos;
 
 	Scene *_scene;
 
@@ -82,8 +106,10 @@ private:
 	SliderInfoItem *_sliderInfo;
 	InfoItem *_info;
 
-	QList<QGraphicsPathItem*> _graphs;
-	qreal _xMin, _xMax, _yMin, _yMax;
+	QList<GraphItem*> _graphs;
+	QList<GraphItem*> _visible;
+	QSet<int> _hide;
+	QRectF _bounds;
 	Palette _palette;
 };
 

src/gui.h

@@ -4,7 +4,10 @@
 #include <QMainWindow>
 #include <QString>
 #include <QList>
+#include <QDate>
+#include <QPrinter>
 #include "poi.h"
+#include "margins.h"
 
 class QMenu;
 class QToolBar;
@@ -13,9 +16,9 @@ class QActionGroup;
 class QAction;
 class QLabel;
 class QSignalMapper;
+class QPrinter;
 class FileBrowser;
-class ElevationGraph;
-class SpeedGraph;
+class GraphTab;
 class TrackView;
 class Map;
 
@@ -25,6 +28,7 @@ class GUI : public QMainWindow
 
 public:
 	GUI(QWidget *parent = 0);
+	~GUI();
 
 	bool openFile(const QString &fileName);
 
@@ -32,10 +36,10 @@ private slots:
 	void about();
 	void keys();
 	void dataSources();
-	void saveFile();
-	void saveAs();
+	void printFile();
+	void exportFile();
 	void openFile();
-	void closeFile();
+	void closeAll();
 	void reloadFile();
 	void openPOIFile();
 	void closePOIFiles();
@@ -43,11 +47,19 @@ private slots:
 	void showMap(bool checked);
 	void showGraphs(bool checked);
 	void showToolbars(bool checked);
+	void showFullscreen(bool checked);
+	void showTracks(bool show);
+	void showRoutes(bool show);
+	void clearMapCache();
+	void nextMap();
+	void prevMap();
 
 	void mapChanged(int);
 	void graphChanged(int);
 	void poiFileChecked(int);
 
+
+
 	void next();
 	void prev();
 	void last();
@@ -56,8 +68,15 @@ private slots:
 	void setMetricUnits();
 	void setImperialUnits();
 
+	void sliderPositionChanged(qreal pos);
+
 private:
-	void loadFiles();
+	typedef QPair<QDate, QDate> DateRange;
+
+	void loadMaps();
+	void loadPOIs();
+	void closeFiles();
+	void plot(QPrinter *printer);
 
 	QAction *createPOIFileAction(int index);
 	void createPOIFilesActions();
@@ -69,42 +88,49 @@ private:
 	void createTrackView();
 	void createTrackGraphs();
 
+	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 updateTrackView();
 
-	void keyPressEvent(QKeyEvent * event);
+	void keyPressEvent(QKeyEvent *event);
+	void closeEvent(QCloseEvent *event);
 
-	QMenu *_fileMenu;
-	QMenu *_helpMenu;
-	QMenu *_poiMenu;
-	QMenu *_mapMenu;
-	QMenu *_settingsMenu;
-	QMenu *_unitsMenu;
-	QMenu *_poiFilesMenu;
+	qreal distance();
+	qreal time();
+	int mapIndex(const QString &name);
+	void readSettings();
+	void writeSettings();
 
 	QToolBar *_fileToolBar;
 	QToolBar *_showToolBar;
 	QToolBar *_navigationToolBar;
-	QTabWidget *_trackGraphs;
+	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 *_showToolbarsAction;
 	QAction *_nextAction;
@@ -113,6 +139,13 @@ private:
 	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;
 
@@ -122,21 +155,34 @@ private:
 	QLabel *_distanceLabel;
 	QLabel *_timeLabel;
 
-	ElevationGraph *_elevationGraph;
-	SpeedGraph *_speedGraph;
 	TrackView *_track;
+	QTabWidget *_trackGraphs;
+	QList<GraphTab*> _tabs;
 
 	POI _poi;
 	QList<Map*> _maps;
 
 	FileBrowser *_browser;
 	QList<QString> _files;
-	QString _saveFileName;
 	Map *_currentMap;
 
-	qreal _distance;
-	qreal _time;
 	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 +1,117 @@
+#include "gpx.h"
+#include "heartrategraph.h"
+
+
+HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
+{
+	_units = Metric;
+	_showTracks = true;
+
+	GraphView::setYUnits(tr("1/min"));
+	setXLabel(tr("Distance"));
+	setYLabel(tr("Heart rate"));
+
+	setSliderPrecision(0);
+}
+
+void HeartRateGraph::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::loadGPX(const GPX &gpx)
+{
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		QVector<QPointF> data = gpx.tracks().at(i)->heartRate();
+		qreal sum = 0, w = 0;
+
+		if (data.count() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < data.size(); j++) {
+			sum += data.at(j).y() * (data.at(j).x() - data.at(j-1).x());
+			w += data.at(j).x() - data.at(j-1).x();
+		}
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(), sum/w));
+
+		loadData(data);
+	}
+
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setXUnits();
+	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::setXUnits()
+{
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
+			GraphView::setXUnits(tr("km"));
+			setXScale(M2KM);
+		}
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
+		} else {
+			GraphView::setXUnits(tr("mi"));
+			setXScale(M2MI);
+		}
+	}
+}
+
+void HeartRateGraph::setUnits(enum Units units)
+{
+	_units = units;
+
+	setXUnits();
+	setInfo();
+
+	redraw();
+}
+
+void HeartRateGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setXUnits();
+	setInfo();
+
+	redraw();
+}

src/heartrategraph.h

@@ -0,0 +1,34 @@
+#ifndef HEARTRATEGRAPH_H
+#define HEARTRATEGRAPH_H
+
+#include "graphtab.h"
+
+class GPX;
+
+class HeartRateGraph : public GraphTab
+{
+	Q_OBJECT
+
+public:
+	HeartRateGraph(QWidget *parent = 0);
+
+	QString label() const {return tr("Heart rate");}
+	void loadGPX(const GPX &gpx);
+	void clear();
+	void setUnits(enum Units units);
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
+
+private:
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+	void setXUnits();
+	void setInfo();
+
+	QList<QPointF> _avg;
+
+	enum Units _units;
+	bool _showTracks;
+};
+
+#endif // HEARTRATEGRAPH_H

src/icons.h

@@ -1,12 +1,10 @@
 #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"
@@ -16,11 +14,6 @@
 #define PREV_FILE_ICON   ":/icons/arrow-left.png"
 #define LAST_FILE_ICON   ":/icons/arrow-right-double.png"
 #define FIRST_FILE_ICON  ":/icons/arrow-left-double.png"
-
-#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 FULLSCREEN_ICON  ":/icons/view-fullscreen.png"
 
 #endif /* ICONS_H */

src/infoitem.cpp

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

src/infoitem.h

@@ -15,6 +15,7 @@ public:
 
 	void insert(const QString &key, const QString &value);
 	void clear();
+	bool isEmpty() {return _list.isEmpty();}
 
 private:
 	void updateBoundingRect();

src/keys.h

@@ -1,10 +1,29 @@
 #ifndef KEYS_H
 #define KEYS_H
 
-#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
+#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)
+#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/ll.cpp

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

src/ll.h

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

src/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 Q_OS_MAC
-	app.setAttribute(Qt::AA_DontShowIconsInMenus);
-#endif // Q_OS_MAC
-
-	GUI gui;
-	gui.setWindowIcon(QIcon(QPixmap(APP_ICON)));
-	gui.show();
-
-	for (int i = 1; i < argc; i++)
-		gui.openFile(argv[i]);
-
-	return app.exec();
+	return 0;
 }

src/map.cpp

@@ -15,8 +15,8 @@ Map::Map(QObject *parent, const QString &name, const QString &url)
 	connect(&Downloader::instance(), SIGNAL(finished()), this,
 	  SLOT(emitLoaded()));
 
-	QString path = QString(TILES_DIR"/") + _name;
-	if (!QDir::home().mkpath(path))
+	QString path = TILES_DIR + QString("/") + _name;
+	if (!QDir().mkpath(path))
 		fprintf(stderr, "Error creating tiles dir: %s\n", qPrintable(path));
 }
 
@@ -25,33 +25,111 @@ void Map::emitLoaded()
 	emit loaded();
 }
 
-void Map::loadTiles(QList<Tile> &list)
+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) {
+	for (int i = 0; i < list.size(); i++) {
 		Tile &t = list[i];
-		QString file = QString("%1/" TILES_DIR "/%2/%3-%4-%5")
-		  .arg(QDir::homePath()).arg(_name).arg(t.zoom()).arg(t.xy().rx())
-		  .arg(t.xy().ry());
+		QString file = tileFile(t);
 		QFileInfo fi(file);
 
-		if (fi.exists()) {
-			if (!t.pixmap().load(file))
-				fprintf(stderr, "Error loading map tile: %s\n",
-				  qPrintable(file));
-		} else {
-			t.pixmap() = QPixmap(TILE_SIZE, TILE_SIZE);
-			t.pixmap().fill();
-
-			QString url(_url);
-			url.replace("$z", QString::number(t.zoom()));
-			url.replace("$x", QString::number(t.xy().x()));
-			url.replace("$y", QString::number(t.xy().y()));
-			dl.append(Download(url, 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

@@ -9,8 +9,8 @@ public:
 	Tile(const QPoint &xy, int zoom)
 		{_xy = xy; _zoom = zoom;}
 
-	int zoom() {return _zoom;}
-	QPoint& xy() {return _xy;}
+	int zoom() const {return _zoom;}
+	const QPoint& xy() const {return _xy;}
 	QPixmap& pixmap() {return _pixmap;}
 
 private:
@@ -24,20 +24,29 @@ class Map : public QObject
 {
 	Q_OBJECT
 
-signals:
-	void loaded();
-
 public:
 	Map(QObject *parent = 0, const QString &name = QString(),
 	  const QString &url = QString());
 
 	const QString &name() const {return _name;}
-	void loadTiles(QList<Tile> &list);
+	void 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;
 };

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/misc.cpp

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

src/misc.h

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

src/nicenum.cpp

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

src/nicenum.h

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

src/parser.cpp

@@ -1,58 +1,139 @@
 #include "parser.h"
 
 
-void Parser::handleExtensionData(QStringRef element, const QString &value)
+void Parser::handleTrackpointData(DataType type, const QString &value)
 {
-	if (element == "speed")
-		_track->last().speed = value.toDouble();
+	switch (type) {
+		case Elevation:
+			_track->last().setElevation(value.toLatin1().toDouble());
+			break;
+		case Time:
+			_track->last().setTimestamp(QDateTime::fromString(value.toLatin1(),
+			  Qt::ISODate));
+			break;
+		case Geoidheight:
+			_track->last().setGeoidHeight(value.toLatin1().toDouble());
+			break;
+		case Speed:
+			_track->last().setSpeed(value.toDouble());
+			break;
+		case HeartRate:
+			_track->last().setHeartRate(value.toDouble());
+			break;
+		case Temperature:
+			_track->last().setTemperature(value.toDouble());
+			break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleTrekPointData(QStringRef element, const QString &value)
+void Parser::handleWaypointData(DataType type, const QString &value)
 {
-	if (element == "ele")
-		_track->last().elevation = value.toLatin1().toDouble();
-	if (element == "time")
-		_track->last().timestamp = QDateTime::fromString(value.toLatin1(),
-		  Qt::ISODate);
-	if (element == "geoidheight")
-		_track->last().geoidheight = value.toLatin1().toDouble();
+	switch (type) {
+		case Name:
+			_waypoints.last().setName(value);
+			break;
+		case Description:
+			_waypoints.last().setDescription(value);
+			break;
+	    case Time:
+		    _waypoints.last().setTimestamp(QDateTime::fromString(
+			  value.toLatin1(), Qt::ISODate));
+		    break;
+	    case Elevation:
+		    _waypoints.last().setElevation(value.toLatin1().toDouble());
+		    break;
+	    case Geoidheight:
+		    _waypoints.last().setGeoidHeight(value.toLatin1().toDouble());
+		    break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleWayPointData(QStringRef element, const QString &value)
+void Parser::handleRoutepointData(DataType type, const QString &value)
 {
-	if (element == "name")
-		_waypoints.last().setDescription(value);
+	switch (type) {
+		case Name:
+			_route->last().setName(value);
+			break;
+		case Description:
+			_route->last().setDescription(value);
+			break;
+		case Time:
+			_route->last().setTimestamp(QDateTime::fromString(
+			  value.toLatin1(), Qt::ISODate));
+			break;
+		case Elevation:
+			_route->last().setElevation(value.toLatin1().toDouble());
+			break;
+		case Geoidheight:
+			_route->last().setGeoidHeight(value.toLatin1().toDouble());
+			break;
+		default:
+			break;
+	}
 }
 
-void Parser::handleTrekPointAttributes(const QXmlStreamAttributes &attr)
+void Parser::handleTrackpointAttributes(const QXmlStreamAttributes &attr)
 {
-	_track->last().coordinates.setY(attr.value("lat").toLatin1().toDouble());
-	_track->last().coordinates.setX(attr.value("lon").toLatin1().toDouble());
+	_track->last().setCoordinates(QPointF(
+	  attr.value("lon").toLatin1().toDouble(),
+	  attr.value("lat").toLatin1().toDouble()));
 }
 
-void Parser::handleWayPointAttributes(const QXmlStreamAttributes &attr)
+void Parser::handleRoutepointAttributes(const QXmlStreamAttributes &attr)
+{
+	_route->last().setCoordinates(QPointF(
+	  attr.value("lon").toLatin1().toDouble(),
+	  attr.value("lat").toLatin1().toDouble()));
+}
+
+void Parser::handleWaypointAttributes(const QXmlStreamAttributes &attr)
 {
 	_waypoints.last().setCoordinates(QPointF(
 	  attr.value("lon").toLatin1().toDouble(),
 	  attr.value("lat").toLatin1().toDouble()));
 }
 
-void Parser::extensions()
+void Parser::tpExtension()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "speed")
-			handleExtensionData(_reader.name(), _reader.readElementText());
+		if (_reader.name() == "hr")
+			handleTrackpointData(HeartRate, _reader.readElementText());
+		else if (_reader.name() == "atemp")
+			handleTrackpointData(Temperature, _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
 }
 
-void Parser::trackPointData()
+void Parser::extensions()
 {
 	while (_reader.readNextStartElement()) {
-		if (_reader.name() == "ele" || _reader.name() == "time"
-		  || _reader.name() == "geoidheight")
-			handleTrekPointData(_reader.name(), _reader.readElementText());
+		if (_reader.name() == "speed")
+			handleTrackpointData(Speed, _reader.readElementText());
+		else if (_reader.name() == "hr" || _reader.name() == "heartrate")
+			handleTrackpointData(HeartRate, _reader.readElementText());
+		else if (_reader.name() == "temp")
+			handleTrackpointData(Temperature, _reader.readElementText());
+		else if (_reader.name() == "TrackPointExtension")
+			tpExtension();
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void Parser::trackpointData()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "ele")
+			handleTrackpointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleTrackpointData(Time, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleTrackpointData(Geoidheight, _reader.readElementText());
 		else if (_reader.name() == "extensions")
 			extensions();
 		else
@@ -60,13 +141,43 @@ void Parser::trackPointData()
 	}
 }
 
-void Parser::trackPoints()
+void Parser::routepointData()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "name")
+			handleRoutepointData(Name, _reader.readElementText());
+		else if (_reader.name() == "desc")
+			handleRoutepointData(Description, _reader.readElementText());
+		else if (_reader.name() == "ele")
+			handleRoutepointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleRoutepointData(Geoidheight, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleRoutepointData(Time, _reader.readElementText());
+		else
+			_reader.skipCurrentElement();
+	}
+}
+
+void Parser::trackpoints()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkpt") {
 			_track->append(Trackpoint());
-			handleTrekPointAttributes(_reader.attributes());
-			trackPointData();
+			handleTrackpointAttributes(_reader.attributes());
+			trackpointData();
+		} else
+			_reader.skipCurrentElement();
+	}
+}
+
+void Parser::routepoints()
+{
+	while (_reader.readNextStartElement()) {
+		if (_reader.name() == "rtept") {
+			_route->append(Waypoint());
+			handleRoutepointAttributes(_reader.attributes());
+			routepointData();
 		} else
 			_reader.skipCurrentElement();
 	}
@@ -76,17 +187,25 @@ void Parser::track()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "trkseg") {
-			trackPoints();
+			trackpoints();
 		} else
 			_reader.skipCurrentElement();
 	}
 }
 
-void Parser::wayPointData()
+void Parser::waypointData()
 {
 	while (_reader.readNextStartElement()) {
 		if (_reader.name() == "name")
-			handleWayPointData(_reader.name(), _reader.readElementText());
+			handleWaypointData(Name, _reader.readElementText());
+		else if (_reader.name() == "desc")
+			handleWaypointData(Description, _reader.readElementText());
+		else if (_reader.name() == "ele")
+			handleWaypointData(Elevation, _reader.readElementText());
+		else if (_reader.name() == "geoidheight")
+			handleWaypointData(Geoidheight, _reader.readElementText());
+		else if (_reader.name() == "time")
+			handleWaypointData(Time, _reader.readElementText());
 		else
 			_reader.skipCurrentElement();
 	}
@@ -99,10 +218,14 @@ void Parser::gpx()
 			_tracks.append(QVector<Trackpoint>());
 			_track = &_tracks.back();
 			track();
+		} else if (_reader.name() == "rte") {
+			_routes.append(QVector<Waypoint>());
+			_route = &_routes.back();
+			routepoints();
 		} else if (_reader.name() == "wpt") {
 			_waypoints.append(Waypoint());
-			handleWayPointAttributes(_reader.attributes());
-			wayPointData();
+			handleWaypointAttributes(_reader.attributes());
+			waypointData();
 		} else
 			_reader.skipCurrentElement();
 	}

src/parser.h

@@ -11,31 +11,45 @@
 class Parser
 {
 public:
-	Parser(QList<QVector<Trackpoint> > &tracks, QList<Waypoint> &waypoints)
-	  : _tracks(tracks), _waypoints(waypoints) {_track = 0;}
+	Parser(QList<QVector<Trackpoint> > &tracks,
+	  QList<QVector<Waypoint> > &routes, QList<Waypoint> &waypoints)
+	  : _tracks(tracks), _routes(routes), _waypoints(waypoints)
+	  {_track = 0; _route = 0;}
+
 	bool loadFile(QIODevice *device);
 	QString errorString() const {return _reader.errorString();}
 	int errorLine() const {return _reader.lineNumber();}
 
 private:
+	enum DataType {
+		Name, Description, Elevation, Time, Geoidheight, Speed, HeartRate,
+		Temperature
+	};
+
 	bool parse();
 	void gpx();
 	void track();
-	void trackPoints();
+	void trackpoints();
+	void routepoints();
+	void tpExtension();
 	void extensions();
-	void trackPointData();
-	void wayPointData();
+	void trackpointData();
+	void routepointData();
+	void waypointData();
 
-	void handleWayPointAttributes(const QXmlStreamAttributes &attr);
-	void handleWayPointData(QStringRef element, const QString &value);
-	void handleTrekPointAttributes(const QXmlStreamAttributes &attr);
-	void handleTrekPointData(QStringRef element, const QString &value);
-	void handleExtensionData(QStringRef element, const QString &value);
+	void handleWaypointAttributes(const QXmlStreamAttributes &attr);
+	void handleWaypointData(DataType type, const QString &value);
+	void handleTrackpointAttributes(const QXmlStreamAttributes &attr);
+	void handleTrackpointData(DataType type, const QString &value);
+	void handleRoutepointAttributes(const QXmlStreamAttributes &attr);
+	void handleRoutepointData(DataType type, const QString &value);
 
 	QXmlStreamReader _reader;
 	QList<QVector<Trackpoint> > &_tracks;
+	QList<QVector<Waypoint> > &_routes;
 	QList<Waypoint> &_waypoints;
 	QVector<Trackpoint> *_track;
+	QVector<Waypoint> *_route;
 };
 
 #endif // PARSER_H

src/poi.cpp

@@ -1,6 +1,8 @@
 #include <QFile>
 #include <QSet>
 #include <QList>
+#include <QPainterPath>
+#include "waypointitem.h"
 #include "ll.h"
 #include "gpx.h"
 #include "poi.h"
@@ -46,15 +48,14 @@ bool POI::loadGPXFile(const QString &fileName)
 
 	if (gpx.loadFile(fileName)) {
 		for (int i = 0; i < gpx.waypoints().size(); i++)
-			_data.append(Waypoint(
-			  ll2mercator(gpx.waypoints().at(i).coordinates()),
-			  gpx.waypoints().at(i).description()));
+			_data.append(gpx.waypoints().at(i));
 		index.end = _data.size() - 1;
 
 		for (int i = index.start; i <= index.end; i++) {
+			const QPointF &p = _data.at(i).coordinates();
 			qreal c[2];
-			c[0] = _data.at(i).coordinates().x();
-			c[1] = _data.at(i).coordinates().y();
+			c[0] = p.x();
+			c[1] = p.y();
 			_tree.Insert(c, c, i);
 		}
 
@@ -106,18 +107,27 @@ bool POI::loadCSVFile(const QString &fileName)
 			_errorLine = ln;
 			return false;
 		}
-		QByteArray ba = list[2].trimmed();
+		Waypoint wp(QPointF(lon, lat));
 
-		_data.append(Waypoint(ll2mercator(QPointF(lon, lat)),
-		  QString::fromUtf8(ba.data(), ba.size())));
+		QByteArray ba = list[2].trimmed();
+		QString name = QString::fromUtf8(ba.data(), ba.size());
+		wp.setName(name);
+
+		if (list.size() > 3) {
+			ba = list[3].trimmed();
+			wp.setDescription(QString::fromUtf8(ba.data(), ba.size()));
+		}
+
+		_data.append(wp);
 		ln++;
 	}
 	index.end = _data.size() - 1;
 
 	for (int i = index.start; i <= index.end; i++) {
+		const QPointF &p = _data.at(i).coordinates();
 		qreal c[2];
-		c[0] = _data.at(i).coordinates().x();
-		c[1] = _data.at(i).coordinates().y();
+		c[0] = p.x();
+		c[1] = p.y();
 		_tree.Insert(c, c, i);
 	}
 
@@ -135,17 +145,43 @@ static bool cb(size_t data, void* context)
 	return true;
 }
 
-QVector<Waypoint> POI::points(const QVector<QPointF> &path, qreal radius) const
+QVector<Waypoint> POI::points(const QPainterPath &path, qreal radius) const
 {
 	QVector<Waypoint> ret;
 	QSet<int> set;
 	qreal min[2], max[2];
 
-	for (int i = 0; i < path.count(); i++) {
-		min[0] = path.at(i).x() - radius;
-		min[1] = path.at(i).y() - radius;
-		max[0] = path.at(i).x() + radius;
-		max[1] = path.at(i).y() + radius;
+	for (int i = 0; i < path.elementCount(); i++) {
+		QPointF p = mercator2ll(path.elementAt(i));
+		min[0] = p.x() - radius;
+		min[1] = -p.y() - radius;
+		max[0] = p.x() + radius;
+		max[1] = -p.y() + radius;
+		_tree.Search(min, max, cb, &set);
+	}
+
+	QSet<int>::const_iterator i = set.constBegin();
+	while (i != set.constEnd()) {
+		ret.append(_data.at(*i));
+		++i;
+	}
+
+	return ret;
+}
+
+QVector<Waypoint> POI::points(const QList<WaypointItem*> &list, qreal radius)
+  const
+{
+	QVector<Waypoint> ret;
+	QSet<int> set;
+	qreal min[2], max[2];
+
+	for (int i = 0; i < list.count(); i++) {
+		const QPointF &p = list.at(i)->waypoint().coordinates();
+		min[0] = p.x() - radius;
+		min[1] = p.y() - radius;
+		max[0] = p.x() + radius;
+		max[1] = p.y() + radius;
 		_tree.Search(min, max, cb, &set);
 	}
 
@@ -173,9 +209,10 @@ void POI::enableFile(const QString &fileName, bool enable)
 			continue;
 
 		for (int j = idx.start; j <= idx.end; j++) {
+			const QPointF &p = _data.at(j).coordinates();
 			qreal c[2];
-			c[0] = _data.at(j).coordinates().x();
-			c[1] = _data.at(j).coordinates().y();
+			c[0] = p.x();
+			c[1] = p.y();
 			_tree.Insert(c, c, j);
 		}
 	}

src/poi.h

@@ -8,17 +8,24 @@
 #include "waypoint.h"
 #include "rtree.h"
 
+class QPainterPath;
+class WaypointItem;
+
+#define POI_RADIUS 0.01
 
 class POI
 {
 public:
 	POI() : _errorLine(0) {}
 	bool loadFile(const QString &fileName);
-	QString errorString() const {return _error;}
+	const QString &errorString() const {return _error;}
 	int errorLine() const {return _errorLine;}
 
-	QVector<Waypoint> points(const QVector<QPointF> &path,
-	  qreal radius = 0.01) const;
+	QVector<Waypoint> points(const QPainterPath &path,
+	  qreal radius = POI_RADIUS) const;
+	QVector<Waypoint> points(const QList<WaypointItem*> &list,
+	  qreal radius = POI_RADIUS) const;
+
 	const QStringList &files() const {return _files;}
 	void enableFile(const QString &fileName, bool enable);
 	void clear();

src/range.cpp

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

src/range.h

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

src/route.cpp

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

src/route.h

@@ -0,0 +1,24 @@
+#ifndef ROUTE_H
+#define ROUTE_H
+
+#include <QVector>
+#include "waypoint.h"
+
+class Route
+{
+public:
+	Route(const QVector<Waypoint> &data);
+
+	const QVector<Waypoint> &route() const {return _data;}
+	QVector<QPointF> elevation() const;
+
+	qreal distance() const;
+
+	bool isNull() const {return (_dd.count() < 2);}
+
+private:
+	const QVector<Waypoint> &_data;
+	QVector<qreal> _dd;
+};
+
+#endif // ROUTE_H

src/routeitem.cpp

@@ -0,0 +1,132 @@
+#include <QApplication>
+#include <QPainter>
+#include "ll.h"
+#include "misc.h"
+#include "waypoint.h"
+#include "waypointitem.h"
+#include "tooltip.h"
+#include "routeitem.h"
+
+
+#define ROUTE_WIDTH     3
+
+QString RouteItem::toolTip()
+{
+	ToolTip tt;
+
+	tt.insert(qApp->translate("RouteItem", "Distance"),
+	  ::distance(_distance, _units));
+
+	return tt.toString();
+}
+
+void RouteItem::updateShape()
+{
+	QPainterPathStroker s;
+	s.setWidth(ROUTE_WIDTH * 1.0/scale());
+	_shape = s.createStroke(_path);
+}
+
+RouteItem::RouteItem(const Route &route, QGraphicsItem *parent)
+  : QGraphicsItem(parent)
+{
+	WaypointItem *wi;
+
+	QVector<Waypoint> r = route.route();
+	Q_ASSERT(r.count() >= 2);
+
+	wi = new WaypointItem(r.at(0));
+	wi->setParentItem(this);
+	const QPointF &p = r.at(0).coordinates();
+	_path.moveTo(ll2mercator(QPointF(p.x(), -p.y())));
+	for (int i = 1; i < r.size(); i++) {
+		const QPointF &p = r.at(i).coordinates();
+		_path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
+		wi = new WaypointItem(r.at(i));
+		wi->setParentItem(this);
+	}
+
+	_units = Metric;
+	_distance = route.distance();
+
+	setToolTip(toolTip());
+	setCursor(Qt::ArrowCursor);
+
+	updateShape();
+
+	QBrush brush(Qt::SolidPattern);
+	_pen = QPen(brush, ROUTE_WIDTH, Qt::DotLine);
+
+	_marker = new MarkerItem(this);
+	_marker->setPos(_path.pointAtPercent(0));
+}
+
+void RouteItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath(_path);
+
+/*
+	painter->setPen(Qt::red);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void RouteItem::setScale(qreal scale)
+{
+	prepareGeometryChange();
+
+	_pen.setWidthF(ROUTE_WIDTH * 1.0/scale);
+	QGraphicsItem::setScale(scale);
+
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++)
+		childs.at(i)->setScale(1.0/scale);
+
+	updateShape();
+}
+
+void RouteItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+void RouteItem::setUnits(enum Units units)
+{
+	_units = units;
+	setToolTip(toolTip());
+}
+
+void RouteItem::moveMarker(qreal distance)
+{
+	if (distance > _distance)
+		_marker->setVisible(false);
+	else {
+		_marker->setVisible(true);
+		_marker->setPos(_path.pointAtPercent(distance / _distance));
+	}
+}
+
+void RouteItem::showWaypoints(bool show)
+{
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++)
+		if (childs.at(i) != _marker)
+			childs.at(i)->setVisible(show);
+}
+
+void RouteItem::showWaypointLabels(bool show)
+{
+	QList<QGraphicsItem *> childs =	childItems();
+	for (int i = 0; i < childs.count(); i++) {
+		if (childs.at(i) != _marker) {
+			WaypointItem *wi = static_cast<WaypointItem*>(childs.at(i));
+			wi->showLabel(show);
+		}
+	}
+}

src/routeitem.h

@@ -0,0 +1,46 @@
+#ifndef ROUTEITEM_H
+#define ROUTEITEM_H
+
+#include <QGraphicsItem>
+#include "markeritem.h"
+#include "route.h"
+#include "units.h"
+
+
+class RouteItem : public QGraphicsItem
+{
+public:
+	RouteItem(const Route &route, QGraphicsItem *parent = 0);
+
+	QPainterPath shape() const {return _shape;}
+	QRectF boundingRect() const {return _shape.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	const QPainterPath &path() const {return _path;}
+
+	void setScale(qreal scale);
+	void setColor(const QColor &color);
+	void setUnits(enum Units units);
+
+	void showMarker(bool show) {_marker->setVisible(show);}
+	void moveMarker(qreal distance);
+
+	void showWaypoints(bool show);
+	void showWaypointLabels(bool show);
+
+private:
+	void updateShape();
+	QString toolTip();
+
+	QPainterPath _path;
+	QPainterPath _shape;
+	QPen _pen;
+
+	MarkerItem *_marker;
+
+	Units _units;
+	qreal _distance;
+};
+
+#endif // ROUTEITEM_H

src/scaleitem.cpp

@@ -1,7 +1,7 @@
 #include <QPainter>
 #include "config.h"
 #include "ll.h"
-#include "nicenum.h"
+#include "misc.h"
 #include "scaleitem.h"
 
 
@@ -67,22 +67,22 @@ void ScaleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	for (int i = 0; i < SEGMENTS; i += 2)
 		painter->fillRect(QRectF(i * _width, br.height() + PADDING, _width,
 		  SCALE_HEIGHT), Qt::black);
-
-	if (aa)
-		painter->setRenderHint(QPainter::Antialiasing, true);
-
 /*
 	painter->setPen(Qt::red);
 	painter->drawRect(boundingRect());
 */
+	if (aa)
+		painter->setRenderHint(QPainter::Antialiasing, true);
 }
 
 QString ScaleItem::units() const
 {
 	if (_units == Imperial)
-		return _scale ? QObject::tr("mi") : QObject::tr("ft");
+		return _scale ? qApp->translate("ScaleItem", "mi")
+		  : qApp->translate("ScaleItem", "ft");
 	else
-		return _scale ? QObject::tr("km") : QObject::tr("m");
+		return _scale ? qApp->translate("ScaleItem", "km")
+		  : qApp->translate("ScaleItem", "m");
 }
 
 void ScaleItem::computeScale()
@@ -114,24 +114,24 @@ void ScaleItem::computeScale()
 
 void ScaleItem::setLatitude(qreal lat)
 {
+	prepareGeometryChange();
 	_lat = lat;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void ScaleItem::setZoom(int z)
 {
+	prepareGeometryChange();
 	_zoom = z;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }
 
 void ScaleItem::setUnits(enum Units units)
 {
+	prepareGeometryChange();
 	_units = units;
 	computeScale();
 	updateBoundingRect();
-	prepareGeometryChange();
 }

src/settings.h

@@ -0,0 +1,31 @@
+#ifndef SETTINGS_H
+#define SETTINGS_H
+
+#define WINDOW_SETTINGS_GROUP             "Window"
+#define WINDOW_SIZE_SETTING               "size"
+#define WINDOW_POS_SETTING                "pos"
+
+#define SETTINGS_SETTINGS_GROUP           "Settings"
+#define UNITS_SETTING                     "units"
+#define SHOW_TOOLBARS_SETTING             "toolbar"
+#define SHOW_GRAPHS_SETTING               "graphs"
+
+#define MAP_SETTINGS_GROUP                "Map"
+#define CURRENT_MAP_SETTING               "map"
+#define SHOW_MAP_SETTING                  "show"
+
+#define POI_SETTINGS_GROUP                "POI"
+#define OVERLAP_POI_SETTING               "overlap"
+#define LABELS_POI_SETTING                "labels"
+#define SHOW_POI_SETTING                  "show"
+#define DISABLED_POI_FILE_SETTINGS_PREFIX "disabled"
+#define DISABLED_POI_FILE_SETTING         "file"
+
+#define DATA_SETTINGS_GROUP               "Data"
+#define SHOW_TRACKS_SETTING               "tracks"
+#define SHOW_ROUTES_SETTING               "routes"
+#define SHOW_WAYPOINTS_SETTING            "waypoints"
+#define SHOW_ROUTE_WAYPOINTS_SETTING      "routeWaypoints"
+#define SHOW_WAYPOINT_LABELS_SETTING      "waypointLabels"
+
+#endif // SETTINGS_H

src/sliderinfoitem.cpp

@@ -7,7 +7,7 @@
 
 SliderInfoItem::SliderInfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
-
+	_side = Right;
 }
 
 void SliderInfoItem::updateBoundingRect()
@@ -17,7 +17,10 @@ void SliderInfoItem::updateBoundingRect()
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
 
-	_boundingRect = QRectF(-SIZE/2, 0, fm.width(_text) + SIZE, fm.height());
+	_boundingRect = (_side == Right)
+		? QRectF(-SIZE/2, 0, fm.width(_text) + SIZE, fm.height())
+		: QRectF(-(fm.width(_text) + SIZE/2), 0, fm.width(_text) + SIZE,
+		  fm.height());
 }
 
 void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
@@ -32,7 +35,11 @@ void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
 	painter->setFont(font);
 
 	painter->setPen(Qt::red);
-	painter->drawText(SIZE, fm.height() - fm.descent(), _text);
+	if (_side == Right)
+		painter->drawText(SIZE, fm.height() - fm.descent(), _text);
+	else
+		painter->drawText(-(fm.width(_text) + SIZE/2),
+		  fm.height() - fm.descent(), _text);
 	painter->drawLine(QPointF(-SIZE/2, 0), QPointF(SIZE/2, 0));
 
 	//painter->drawRect(boundingRect());
@@ -40,7 +47,17 @@ void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
 
 void SliderInfoItem::setText(const QString &text)
 {
+	prepareGeometryChange();
 	_text = text;
 	updateBoundingRect();
-	prepareGeometryChange();
+}
+
+void SliderInfoItem::setSide(Side side)
+{
+	if (side == _side)
+		return;
+
+	prepareGeometryChange();
+	_side = side;
+	updateBoundingRect();
 }

src/sliderinfoitem.h

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

src/slideritem.cpp

@@ -24,7 +24,7 @@ void SliderItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option
 	painter->setPen(Qt::red);
 	painter->drawLine(0, 0, 0, -_area.height());
 
-	//painter->drawRect(boundingRect());
+//	painter->drawRect(boundingRect());
 }
 
 QVariant SliderItem::itemChange(GraphicsItemChange change, const QVariant &value)
@@ -41,7 +41,7 @@ QVariant SliderItem::itemChange(GraphicsItemChange change, const QVariant &value
 		}
 	}
 
-	if (change == ItemPositionHasChanged)
+	if (change == ItemPositionHasChanged && scene())
 		emit positionChanged(value.toPointF());
 
 	return QGraphicsItem::itemChange(change, value);
@@ -52,3 +52,9 @@ void SliderItem::clear()
 	_area = QRectF();
 	setPos(QPointF());
 }
+
+void SliderItem::setArea(const QRectF &area)
+{
+	prepareGeometryChange();
+	_area = area;
+}

src/slideritem.h

@@ -14,8 +14,8 @@ public:
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
-	QRectF area() {return _area;}
-	void setArea(const QRectF &area) {_area = area;}
+	const QRectF &area() const {return _area;}
+	void setArea(const QRectF &area);
 
 	void clear();
 

src/speedgraph.cpp

@@ -3,47 +3,51 @@
 #include "speedgraph.h"
 
 
-SpeedGraph::SpeedGraph(QWidget *parent) : GraphView(parent)
+SpeedGraph::SpeedGraph(QWidget *parent) : GraphTab(parent)
 {
-	_max = 0;
+	_units = Metric;
+	_showTracks = true;
 
-	GraphView::setXLabel(tr("Distance"));
-	GraphView::setYLabel(tr("Speed"));
-	GraphView::setXUnits(tr("km"));
-	GraphView::setYUnits(tr("km/h"));
-	GraphView::setXScale(M2KM);
-	GraphView::setYScale(MS2KMH);
-	GraphView::setPrecision(1);
+	setYUnits();
+	setXLabel(tr("Distance"));
+	setYLabel(tr("Speed"));
+
+	setSliderPrecision(1);
 }
 
-void SpeedGraph::addInfo()
+void SpeedGraph::setInfo()
 {
-	GraphView::addInfo(tr("Average"), QString::number(avg() * _yScale, 'f', 1)
-	  + UNIT_SPACE + _yUnits);
-	GraphView::addInfo(tr("Maximum"), QString::number(_max * _yScale,  'f', 1)
-	  + UNIT_SPACE + _yUnits);
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale(), 'f',
+		  1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
 }
 
 void SpeedGraph::loadGPX(const GPX &gpx)
 {
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> data;
-		qreal max = 0;
-
-		gpx.track(i).speedGraph(data);
-		if (data.isEmpty())
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		QVector<QPointF> data = gpx.tracks().at(i)->speed();
+		if (data.count() < 2) {
+			skipColor();
 			continue;
+		}
 
-		_avg.append(QPointF(gpx.track(i).distance(), gpx.track(i).distance()
-		  / gpx.track(i).time()));
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(),
+		  gpx.tracks().at(i)->distance() / gpx.tracks().at(i)->time()));
 
-		for (int i = 0; i < data.size(); i++)
-			max = qMax(max, data.at(i).y());
-		_max = qMax(_max, max);
-
-		addInfo();
 		loadData(data);
 	}
+
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setXUnits();
+	setInfo();
+
+	redraw();
 }
 
 qreal SpeedGraph::avg() const
@@ -61,28 +65,61 @@ qreal SpeedGraph::avg() const
 
 void SpeedGraph::clear()
 {
-	_max = 0;
 	_avg.clear();
 
 	GraphView::clear();
 }
 
+void SpeedGraph::setXUnits()
+{
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
+			GraphView::setXUnits(tr("km"));
+			setXScale(M2KM);
+		}
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
+		} else {
+			GraphView::setXUnits(tr("mi"));
+			setXScale(M2MI);
+		}
+	}
+}
+
+void SpeedGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(tr("km/h"));
+		setYScale(MS2KMH);
+	} else {
+		GraphView::setYUnits(tr("mi/h"));
+		setYScale(MS2MIH);
+	}
+}
+
 void SpeedGraph::setUnits(enum Units units)
 {
-	if (units == Metric) {
-		GraphView::setXUnits(tr("km"));
-		GraphView::setYUnits(tr("km/h"));
-		GraphView::setXScale(M2KM);
-		GraphView::setYScale(MS2KMH);
-	} else {
-		GraphView::setXUnits(tr("mi"));
-		GraphView::setYUnits(tr("mi/h"));
-		GraphView::setXScale(M2MI);
-		GraphView::setYScale(MS2MIH);
-	}
+	_units = units;
 
-	clearInfo();
-	addInfo();
+	setXUnits();
+	setYUnits();
+	setInfo();
+
+	redraw();
+}
+
+void SpeedGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setXUnits();
+	setInfo();
 
 	redraw();
 }

src/speedgraph.h

@@ -2,30 +2,35 @@
 #define SPEEDGRAPH_H
 
 #include <QList>
-#include "graphview.h"
-#include "units.h"
+#include "graphtab.h"
 
 class GPX;
 
-class SpeedGraph : public GraphView
+class SpeedGraph : public GraphTab
 {
 	Q_OBJECT
 
 public:
 	SpeedGraph(QWidget *parent = 0);
 
+	QString label() const {return tr("Speed");}
 	void loadGPX(const GPX &gpx);
 	void clear();
 	void setUnits(enum Units units);
-
-	qreal avg() const;
-	qreal max() const {return _max;}
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
 
 private:
-	void addInfo();
+	qreal avg() const;
+	qreal max() const {return bounds().bottom();}
+	void setXUnits();
+	void setYUnits();
+	void setInfo();
 
-	qreal _max;
 	QList<QPointF> _avg;
+
+	enum Units _units;
+	bool _showTracks;
 };
 
 #endif // SPEEDGRAPH_H

src/temperaturegraph.cpp

@@ -0,0 +1,133 @@
+#include "gpx.h"
+#include "temperaturegraph.h"
+
+
+TemperatureGraph::TemperatureGraph(QWidget *parent) : GraphTab(parent)
+{
+	_units = Metric;
+	_showTracks = true;
+
+	setYUnits();
+	setXLabel(tr("Distance"));
+	setYLabel(tr("Temperature"));
+
+	setSliderPrecision(1);
+}
+
+void TemperatureGraph::setInfo()
+{
+	if (_showTracks) {
+		GraphView::addInfo(tr("Average"), QString::number(avg() * yScale()
+		  + yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale()
+		  + yOffset(),  'f', 1) + UNIT_SPACE + yUnits());
+	} else
+		clearInfo();
+}
+
+void TemperatureGraph::loadGPX(const GPX &gpx)
+{
+	for (int i = 0; i < gpx.tracks().count(); i++) {
+		QVector<QPointF> data = gpx.tracks().at(i)->temperature();
+		qreal sum = 0, w = 0;
+
+		if (data.count() < 2) {
+			skipColor();
+			continue;
+		}
+
+		for (int j = 1; j < data.size(); j++) {
+			sum += data.at(j).y() * (data.at(j).x() - data.at(j-1).x());
+			w += data.at(j).x() - data.at(j-1).x();
+		}
+		_avg.append(QPointF(gpx.tracks().at(i)->distance(), sum/w));
+
+		loadData(data);
+	}
+
+	for (int i = 0; i < gpx.routes().count(); i++)
+		skipColor();
+
+	setXUnits();
+	setInfo();
+
+	redraw();
+}
+
+qreal TemperatureGraph::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 TemperatureGraph::clear()
+{
+	_avg.clear();
+
+	GraphView::clear();
+}
+
+void TemperatureGraph::setXUnits()
+{
+	if (_units == Metric) {
+		if (bounds().width() < KMINM) {
+			GraphView::setXUnits(tr("m"));
+			setXScale(1);
+		} else {
+			GraphView::setXUnits(tr("km"));
+			setXScale(M2KM);
+		}
+	} else {
+		if (bounds().width() < MIINM) {
+			GraphView::setXUnits(tr("ft"));
+			setXScale(M2FT);
+		} else {
+			GraphView::setXUnits(tr("mi"));
+			setXScale(M2MI);
+		}
+	}
+}
+
+void TemperatureGraph::setYUnits()
+{
+	if (_units == Metric) {
+		GraphView::setYUnits(QChar(0x00B0) + tr("C"));
+		setYScale(1);
+		setYOffset(0);
+	} else {
+		GraphView::setYUnits(QChar(0x00B0) + tr("F"));
+		setYScale(C2FS);
+		setYOffset(C2FO);
+	}
+}
+
+void TemperatureGraph::setUnits(enum Units units)
+{
+	_units = units;
+
+	setXUnits();
+	setYUnits();
+	setInfo();
+
+	redraw();
+}
+
+void TemperatureGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	showGraph(show);
+	setXUnits();
+	setInfo();
+
+	redraw();
+}

src/temperaturegraph.h

@@ -0,0 +1,36 @@
+#ifndef TEMPERATUREGRAPH_H
+#define TEMPERATUREGRAPH_H
+
+#include "graphtab.h"
+
+class GPX;
+
+class TemperatureGraph : public GraphTab
+{
+	Q_OBJECT
+
+public:
+	TemperatureGraph(QWidget *parent = 0);
+
+	QString label() const {return tr("Temperature");}
+	void loadGPX(const GPX &gpx);
+	void clear();
+	void setUnits(enum Units units);
+	void showTracks(bool show);
+	void showRoutes(bool show) {Q_UNUSED(show);}
+
+private:
+	qreal avg() const;
+	qreal min() const {return bounds().top();}
+	qreal max() const {return bounds().bottom();}
+	void setXUnits();
+	void setYUnits();
+	void setInfo();
+
+	QList<QPointF> _avg;
+
+	enum Units _units;
+	bool _showTracks;
+};
+
+#endif // TEMPERATUREGRAPH_H

src/tooltip.cpp

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

src/tooltip.h

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

src/track.cpp

@@ -1,9 +1,12 @@
 #include "ll.h"
 #include "track.h"
 
+
 #define WINDOW_EF 3
 #define WINDOW_SE 11
-#define WINDOW_SF 11
+#define WINDOW_SF 7
+#define WINDOW_HE 11
+#define WINDOW_HF 3
 
 static bool lt(const QPointF &p1, const QPointF &p2)
 {
@@ -76,80 +79,97 @@ static QVector<QPointF> filter(const QVector<QPointF> &v, int window)
 	return ret;
 }
 
-void Track::elevationGraph(QVector<QPointF> &graph) const
+Track::Track(const QVector<Trackpoint> &data) : _data(data)
 {
 	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));
+	_dd.append(dist);
+	for (int i = 1; i < data.count(); i++) {
+		dist += llDistance(data.at(i).coordinates(), data.at(i-1).coordinates());
+		_dd.append(dist);
 	}
-
-	graph = filter(raw, WINDOW_EF);
 }
 
-void Track::speedGraph(QVector<QPointF> &graph) const
+QVector<QPointF> Track::elevation() const
 {
-	qreal dist = 0, v, ds, dt;
 	QVector<QPointF> raw;
 
 	if (!_data.size())
-		return;
+		return raw;
+
+	for (int i = 0; i < _data.size(); i++)
+		if (_data.at(i).hasElevation())
+			raw.append(QPointF(_dd.at(i), _data.at(i).elevation()
+			  - _data.at(i).geoidHeight()));
+
+	return filter(raw, WINDOW_EF);
+}
+
+QVector<QPointF> Track::speed() const
+{
+	qreal v, ds;
+	qint64 dt;
+	QVector<QPointF> raw;
+
+	if (!_data.size())
+		return raw;
 
 	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)
+		if (_data.at(i).hasSpeed())
+			v = _data.at(i).speed();
+		else if (_data.at(i).hasTimestamp()) {
+			dt = _data.at(i-1).timestamp().msecsTo(_data.at(i).timestamp());
+			if (!dt)
 				continue;
-			v = ds / dt;
+			ds = _dd.at(i) - _dd.at(i-1);
+			v = ds / ((qreal)dt / 1000.0);
 		} else
-			v = _data.at(i).speed;
+			continue;
 
-		raw.append(QPointF(dist, v));
+		raw.append(QPointF(_dd.at(i), v));
 	}
 
-	graph = filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
+	return filter(eliminate(raw, WINDOW_SE), WINDOW_SF);
 }
 
-void Track::track(QVector<QPointF> &track) const
+QVector<QPointF> Track::heartRate() const
 {
+	QVector<QPointF> raw;
+
+	if (!_data.size())
+		return raw;
+
+	for (int i = 0; i < _data.count(); i++)
+		if (_data.at(i).hasHeartRate())
+			raw.append(QPointF(_dd.at(i), _data.at(i).heartRate()));
+
+	return filter(eliminate(raw, WINDOW_HE), WINDOW_HF);
+}
+
+QVector<QPointF> Track::temperature() const
+{
+	QVector<QPointF> graph;
+
 	for (int i = 0; i < _data.size(); i++)
-		track.append(ll2mercator(_data.at(i).coordinates));
+		if (_data.at(i).hasTemperature())
+			graph.append(QPointF(_dd.at(i), _data.at(i).temperature()));
+
+	return graph;
 }
 
 qreal Track::distance() const
 {
-	qreal dist = 0;
-
-	for (int i = 1; i < _data.size(); i++)
-		dist += llDistance(_data.at(i).coordinates, _data.at(i-1).coordinates);
-
-	return dist;
+	return (_dd.isEmpty()) ? 0 : _dd.last();
 }
 
 qreal Track::time() const
 {
-	if (_data.size() < 2)
-		return 0;
-
-	return (_data.at(0).timestamp.msecsTo(_data.at(_data.size() - 1).timestamp)
-	  / 1000.0);
+	return (_data.size() < 2) ? 0 :
+	  (_data.first().timestamp().msecsTo(_data.last().timestamp()) / 1000.0);
 }
 
 QDateTime Track::date() const
 {
-	if (_data.size())
-		return _data.at(0).timestamp;
-	else
-		return QDateTime();
+	return (_data.size()) ? _data.first().timestamp() : QDateTime();
 }

src/track.h

@@ -8,17 +8,23 @@
 class Track
 {
 public:
-	Track(const QVector<Trackpoint> &data) : _data(data) {}
+	Track(const QVector<Trackpoint> &data);
+
+	const QVector<Trackpoint> &track() const {return _data;}
+	QVector<QPointF> elevation() const;
+	QVector<QPointF> speed() const;
+	QVector<QPointF> heartRate() const;
+	QVector<QPointF> temperature() const;
 
-	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;
 
+	bool isNull() const {return (_dd.count() < 2);}
+
 private:
 	const QVector<Trackpoint> &_data;
+	QVector<qreal> _dd;
 };
 
 #endif // TRACK_H

src/trackinfo.cpp

@@ -0,0 +1,40 @@
+#include <QPaintEngine>
+#include <QPaintDevice>
+#include "config.h"
+#include "infoitem.h"
+#include "trackinfo.h"
+
+
+TrackInfo::TrackInfo(QObject *parent) : QGraphicsScene(parent)
+{
+	_info = new InfoItem();
+	addItem(_info);
+}
+
+void TrackInfo::insert(const QString &key, const QString &value)
+{
+	_info->insert(key, value);
+}
+
+void TrackInfo::plot(QPainter *painter, const QRectF &target)
+{
+	qreal ratio = painter->paintEngine()->paintDevice()->logicalDpiX()
+	  / SCREEN_DPI;
+	QSizeF canvas = QSizeF(target.width() / ratio, target.height() / ratio);
+	QSizeF diff = QSizeF(qAbs(canvas.width() - sceneRect().width()),
+	  qAbs(canvas.height() - sceneRect().height()));
+	QRectF adj = sceneRect().adjusted(0, -diff.height()/2, diff.width(),
+	  diff.height()/2);
+
+	render(painter, target, adj);
+}
+
+bool TrackInfo::isEmpty() const
+{
+	return _info->isEmpty();
+}
+
+QSizeF TrackInfo::contentSize() const
+{
+	return sceneRect().size();
+}

src/trackinfo.h

@@ -0,0 +1,24 @@
+#ifndef TRACKINFO_H
+#define TRACKINFO_H
+
+#include <QGraphicsScene>
+
+class InfoItem;
+
+class TrackInfo : public QGraphicsScene
+{
+	Q_OBJECT
+
+public:
+	TrackInfo(QObject *parent = 0);
+
+	void insert(const QString &key, const QString &value);
+	void plot(QPainter *painter, const QRectF &target);
+	bool isEmpty() const;
+	QSizeF contentSize() const;
+
+private:
+	InfoItem *_info;
+};
+
+#endif // TRACKINFO_H

src/trackitem.cpp

@@ -0,0 +1,110 @@
+#include <QApplication>
+#include <QCursor>
+#include <QPainter>
+#include "ll.h"
+#include "misc.h"
+#include "tooltip.h"
+#include "trackitem.h"
+
+
+#define TRACK_WIDTH     3
+
+QString TrackItem::toolTip()
+{
+	ToolTip tt;
+
+	tt.insert(qApp->translate("TrackItem", "Distance"),
+	  ::distance(_distance, _units));
+	if  (_time > 0)
+		tt.insert(qApp->translate("TrackItem", "Time"), ::timeSpan(_time));
+	if (!_date.isNull())
+		tt.insert(qApp->translate("TrackItem", "Date"),
+		  _date.toString(Qt::SystemLocaleShortDate));
+
+	return tt.toString();
+}
+
+void TrackItem::updateShape()
+{
+	QPainterPathStroker s;
+	s.setWidth(TRACK_WIDTH * 1.0/scale());
+	_shape = s.createStroke(_path);
+}
+
+TrackItem::TrackItem(const Track &track, QGraphicsItem *parent)
+  : QGraphicsItem(parent)
+{
+	const QVector<Trackpoint> &t = track.track();
+	Q_ASSERT(t.count() >= 2);
+
+	const QPointF &p = t.at(0).coordinates();
+	_path.moveTo(ll2mercator(QPointF(p.x(), -p.y())));
+	for (int i = 1; i < t.size(); i++) {
+		const QPointF &p = t.at(i).coordinates();
+		_path.lineTo(ll2mercator(QPointF(p.x(), -p.y())));
+	}
+
+	_units = Metric;
+	_date = track.date();
+	_distance = track.distance();
+	_time = track.time();
+
+	setToolTip(toolTip());
+	setCursor(Qt::ArrowCursor);
+
+	updateShape();
+
+	QBrush brush(Qt::SolidPattern);
+	_pen = QPen(brush, TRACK_WIDTH);
+
+	_marker = new MarkerItem(this);
+	_marker->setPos(_path.pointAtPercent(0));
+}
+
+void TrackItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget)
+{
+	Q_UNUSED(option);
+	Q_UNUSED(widget);
+
+	painter->setPen(_pen);
+	painter->drawPath(_path);
+
+/*
+	painter->setPen(Qt::red);
+	painter->drawRect(boundingRect());
+*/
+}
+
+void TrackItem::setScale(qreal scale)
+{
+	prepareGeometryChange();
+
+	_pen.setWidthF(TRACK_WIDTH * 1.0/scale);
+	QGraphicsItem::setScale(scale);
+	_marker->setScale(1.0/scale);
+
+	updateShape();
+}
+
+void TrackItem::setColor(const QColor &color)
+{
+	_pen.setColor(color);
+	update();
+}
+
+void TrackItem::setUnits(enum Units units)
+{
+	_units = units;
+	setToolTip(toolTip());
+}
+
+void TrackItem::moveMarker(qreal distance)
+{
+	if (distance > _distance)
+		_marker->setVisible(false);
+	else {
+		_marker->setVisible(true);
+		_marker->setPos(_path.pointAtPercent(distance / _distance));
+	}
+}

src/trackitem.h

@@ -0,0 +1,46 @@
+#ifndef TRACKITEM_H
+#define TRACKITEM_H
+
+#include <QGraphicsItem>
+#include <QDateTime>
+#include "units.h"
+#include "track.h"
+#include "markeritem.h"
+
+
+class TrackItem : public QGraphicsItem
+{
+public:
+	TrackItem(const Track &track, QGraphicsItem *parent = 0);
+
+	QPainterPath shape() const {return _shape;}
+	QRectF boundingRect() const {return _shape.boundingRect();}
+	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+	  QWidget *widget);
+
+	const QPainterPath &path() const {return _path;}
+
+	void setScale(qreal scale);
+	void setUnits(enum Units units);
+	void setColor(const QColor &color);
+
+	void showMarker(bool show) {_marker->setVisible(show);}
+	void moveMarker(qreal distance);
+
+private:
+	void updateShape();
+	QString toolTip();
+
+	QPainterPath _path;
+	QPainterPath _shape;
+	QPen _pen;
+
+	MarkerItem *_marker;
+
+	Units _units;
+	QDateTime _date;
+	qreal _time;
+	qreal _distance;
+};
+
+#endif // TRACKITEM_H

src/trackpoint.cpp

@@ -0,0 +1,11 @@
+#include "trackpoint.h"
+
+QDebug operator<<(QDebug dbg, const Trackpoint &trackpoint)
+{
+	dbg.nospace() << "Trackpoint(" << trackpoint.coordinates() << ", "
+	  << trackpoint.timestamp() << ", " << trackpoint.elevation() << ", "
+	  << trackpoint.geoidHeight() << ", " << trackpoint.speed() << ", "
+	  << trackpoint.heartRate() << ", " << trackpoint.temperature() << ")";
+
+	return dbg.maybeSpace();
+}

src/trackpoint.h

@@ -3,16 +3,51 @@
 
 #include <QPointF>
 #include <QDateTime>
+#include <QDebug>
+#include <cmath>
 
-struct Trackpoint
+class Trackpoint
 {
-	QPointF coordinates;
-	QDateTime timestamp;
-	qreal elevation;
-	qreal geoidheight;
-	qreal speed;
+public:
+	Trackpoint() {
+		_elevation = NAN; _geoidHeight = 0; _speed = NAN; _heartRate = NAN;
+		_temperature = NAN;
+	}
+	Trackpoint(const QPointF &coordinates) {_coordinates = coordinates;}
 
-	Trackpoint() {elevation = 0; geoidheight = 0; speed = -1;}
+	const QPointF &coordinates() const {return _coordinates;}
+	const QDateTime &timestamp() const {return _timestamp;}
+	qreal elevation() const {return _elevation;}
+	qreal geoidHeight() const {return _geoidHeight;}
+	qreal speed() const {return _speed;}
+	qreal heartRate() const {return _heartRate;}
+	qreal temperature() const {return _temperature;}
+
+	void setCoordinates(const QPointF &coordinates)
+	  {_coordinates = coordinates;}
+	void setTimestamp(const QDateTime &timestamp) {_timestamp = timestamp;}
+	void setElevation(qreal elevation) {_elevation = elevation;}
+	void setGeoidHeight(qreal geoidHeight) {_geoidHeight = geoidHeight;}
+	void setSpeed(qreal speed) {_speed = speed;}
+	void setHeartRate(qreal heartRate) {_heartRate = heartRate;}
+	void setTemperature(qreal temperature) {_temperature = temperature;}
+
+	bool hasTimestamp() const {return !_timestamp.isNull();}
+	bool hasElevation() const {return !std::isnan(_elevation);}
+	bool hasSpeed() const {return !std::isnan(_speed);}
+	bool hasHeartRate() const {return !std::isnan(_heartRate);}
+	bool hasTemperature() const {return !std::isnan(_temperature);}
+
+private:
+	QPointF _coordinates;
+	QDateTime _timestamp;
+	qreal _elevation;
+	qreal _geoidHeight;
+	qreal _speed;
+	qreal _heartRate;
+	qreal _temperature;
 };
 
+QDebug operator<<(QDebug dbg, const Trackpoint &trackpoint);
+
 #endif // TRACKPOINT_H

src/trackview.cpp

@@ -1,20 +1,19 @@
-#include <cmath>
 #include <QGraphicsView>
 #include <QGraphicsScene>
 #include <QPainterPath>
 #include <QWheelEvent>
+#include "ll.h"
 #include "poi.h"
 #include "gpx.h"
 #include "map.h"
+#include "trackitem.h"
+#include "routeitem.h"
 #include "waypointitem.h"
-#include "markeritem.h"
 #include "scaleitem.h"
-#include "ll.h"
 #include "trackview.h"
 
 
 #define MARGIN          10.0
-#define TRACK_WIDTH     3
 #define SCALE_OFFSET    7
 
 TrackView::TrackView(QWidget *parent)
@@ -32,68 +31,107 @@ TrackView::TrackView(QWidget *parent)
 	_mapScale = new ScaleItem();
 	_mapScale->setZValue(2.0);
 
-	_zoom = -1;
-	_scale = -1.0;
+	_zoom = ZOOM_MAX;
+	_scale = mapScale(_zoom);
 	_map = 0;
-	_maxLen = 0;
+
+	_units = Metric;
+
+	_showTracks = true;
+	_showRoutes = true;
+	_showWaypoints = true;
+	_showWaypointLabels = true;
+	_showPOILabels = true;
+	_overlapPOIs = true;
+	_showRouteWaypoints = true;
+
+	_plot = false;
+	_markerPos = 0;
 }
 
 TrackView::~TrackView()
 {
-	delete _scene;
+	if (_mapScale->scene() != _scene)
+		delete _mapScale;
 }
 
-void TrackView::addTrack(const QVector<QPointF> &track)
+void TrackView::addTrack(const Track &track)
 {
-	QPainterPath path;
-	QGraphicsPathItem *pi;
-	MarkerItem *mi;
-
-
-	if (track.size() < 2)
+	if (track.isNull()) {
+		_palette.color();
 		return;
+	}
 
-	_tracks.append(track);
+	TrackItem *ti = new TrackItem(track);
+	_tracks.append(ti);
+	_zoom = qMin(_zoom, scale2zoom(trackScale()));
+	_scale = mapScale(_zoom);
+	ti->setScale(1.0/_scale);
+	ti->setColor(_palette.color());
+	ti->setVisible(_showTracks);
+	ti->moveMarker(_markerPos);
+	_scene->addItem(ti);
+}
 
-	path.moveTo(track.at(0).x(), -track.at(0).y());
-	for (int i = 1; i < track.size(); i++)
-		path.lineTo(track.at(i).x(), -track.at(i).y());
+void TrackView::addRoute(const Route &route)
+{
+	if (route.isNull()) {
+		_palette.color();
+		return;
+	}
 
-	_maxLen = qMax(path.length(), _maxLen);
+	RouteItem *ri = new RouteItem(route);
+	_routes.append(ri);
+	_zoom = qMin(_zoom, scale2zoom(routeScale()));
+	_scale = mapScale(_zoom);
+	ri->setScale(1.0/_scale);
+	ri->setColor(_palette.color());
+	ri->setVisible(_showRoutes);
+	ri->showWaypoints(_showRouteWaypoints);
+	ri->showWaypointLabels(_showWaypointLabels);
+	ri->moveMarker(_markerPos);
+	_scene->addItem(ri);
+}
 
+void TrackView::addWaypoints(const QList<Waypoint> &waypoints)
+{
+	for (int i = 0; i < waypoints.count(); i++) {
+		const Waypoint &w = waypoints.at(i);
 
-	pi = new QGraphicsPathItem(path);
-	_trackPaths.append(pi);
-	_zoom = scale2zoom(trackScale());
-	_scale = mapScale();
-	QBrush brush(_palette.color(), Qt::SolidPattern);
-	QPen pen(brush, TRACK_WIDTH * _scale);
-	pi->setPen(pen);
-	pi->setScale(1.0/_scale);
-	_scene->addItem(pi);
+		WaypointItem *wi = new WaypointItem(w);
+		wi->setScale(1.0/_scale);
+		wi->setZValue(1);
+		wi->showLabel(_showWaypointLabels);
+		wi->setVisible(_showWaypoints);
+		_scene->addItem(wi);
 
-	mi = new MarkerItem(pi);
-	_markers.append(mi);
-	mi->setPos(pi->path().pointAtPercent(0));
-	mi->setScale(_scale);
+		_waypoints.append(wi);
+	}
+
+	_zoom = qMin(_zoom, scale2zoom(waypointScale()));
+	_scale = mapScale(_zoom);
 }
 
 void TrackView::loadGPX(const GPX &gpx)
 {
-	qreal scale = _scale;
+	int zoom = _zoom;
 
-	for (int i = 0; i < gpx.trackCount(); i++) {
-		QVector<QPointF> track;
-		gpx.track(i).track(track);
-		addTrack(track);
-	}
+	for (int i = 0; i < gpx.tracks().count(); i++)
+		addTrack(*(gpx.tracks().at(i)));
+	for (int i = 0; i < gpx.routes().count(); i++)
+		addRoute(*(gpx.routes().at(i)));
+	addWaypoints(gpx.waypoints());
 
-	if (_trackPaths.empty())
+	if (_tracks.empty() && _routes.empty() && _waypoints.empty())
 		return;
-	if (_trackPaths.size() > 1 && scale != _scale)
+
+	if ((_tracks.size() > 1 && _zoom < zoom)
+	  || (_routes.size() > 1 && _zoom < zoom)
+	  || (_waypoints.size() && _zoom < zoom))
 		rescale(_scale);
 
-	QRectF br = trackBoundingRect();
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
 	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
 	_scene->setSceneRect(ba);
 	centerOn(ba.center());
@@ -106,40 +144,103 @@ void TrackView::loadGPX(const GPX &gpx)
 
 QRectF TrackView::trackBoundingRect() const
 {
-	qreal bottom, top, left, right;
-
-	if (_trackPaths.empty())
+	if (_tracks.empty())
 		return QRectF();
 
-	bottom = _trackPaths.at(0)->sceneBoundingRect().bottom();
-	top = _trackPaths.at(0)->sceneBoundingRect().top();
-	left = _trackPaths.at(0)->sceneBoundingRect().left();
-	right = _trackPaths.at(0)->sceneBoundingRect().right();
+	QRectF br = _tracks.at(0)->sceneBoundingRect();
+	for (int i = 1; i < _tracks.size(); i++)
+		br |= _tracks.at(i)->sceneBoundingRect();
 
-	for (int i = 1; i < _trackPaths.size(); i++) {
-		bottom = qMax(bottom, _trackPaths.at(i)->sceneBoundingRect().bottom());
-		top = qMin(top, _trackPaths.at(i)->sceneBoundingRect().top());
-		right = qMax(right, _trackPaths.at(i)->sceneBoundingRect().right());
-		left = qMin(left, _trackPaths.at(i)->sceneBoundingRect().left());
+	return br;
+}
+
+QRectF TrackView::routeBoundingRect() const
+{
+	if (_routes.empty())
+		return QRectF();
+
+	QRectF br = _routes.at(0)->sceneBoundingRect();
+	for (int i = 1; i < _routes.size(); i++)
+		br |= _routes.at(i)->sceneBoundingRect();
+
+	return br;
+}
+
+QRectF TrackView::waypointBoundingRect() const
+{
+	qreal bottom, top, left, right;
+
+	if (_waypoints.empty())
+		return QRectF();
+
+	const QPointF &p = _waypoints.at(0)->pos();
+	bottom = p.y();
+	top = p.y();
+	left = p.x();
+	right = p.x();
+
+	for (int i = 1; i < _waypoints.size(); i++) {
+		const QPointF &p = _waypoints.at(i)->pos();
+		bottom = qMax(bottom, p.y());
+		top = qMin(top, p.y());
+		right = qMax(right, p.x());
+		left = qMin(left, p.x());
 	}
 
 	return QRectF(QPointF(left, top), QPointF(right, bottom));
 }
 
 qreal TrackView::trackScale() const
+{
+	if (_tracks.empty())
+		return mapScale(ZOOM_MAX);
+
+	QRectF br = _tracks.at(0)->path().boundingRect();
+
+	for (int i = 1; i < _tracks.size(); i++)
+		br |= _tracks.at(i)->path().boundingRect();
+
+	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
+	  br.height() / (viewport()->height() - MARGIN/2));
+
+	return qMax(sc.x(), sc.y());
+}
+
+qreal TrackView::routeScale() const
+{
+	if (_routes.empty())
+		return mapScale(ZOOM_MAX);
+
+	QRectF br = _routes.at(0)->path().boundingRect();
+
+	for (int i = 1; i < _routes.size(); i++)
+		br |= _routes.at(i)->path().boundingRect();
+
+	QPointF sc(br.width() / (viewport()->width() - MARGIN/2),
+	  br.height() / (viewport()->height() - MARGIN/2));
+
+	return qMax(sc.x(), sc.y());
+}
+
+qreal TrackView::waypointScale() const
 {
 	qreal bottom, top, left, right;
 
-	bottom = _trackPaths.at(0)->path().boundingRect().bottom();
-	top = _trackPaths.at(0)->path().boundingRect().top();
-	left = _trackPaths.at(0)->path().boundingRect().left();
-	right = _trackPaths.at(0)->path().boundingRect().right();
+	if (_waypoints.size() < 2)
+		return mapScale(ZOOM_MAX);
 
-	for (int i = 1; i < _trackPaths.size(); i++) {
-		bottom = qMax(bottom, _trackPaths.at(i)->path().boundingRect().bottom());
-		top = qMin(top, _trackPaths.at(i)->path().boundingRect().top());
-		right = qMax(right, _trackPaths.at(i)->path().boundingRect().right());
-		left = qMin(left, _trackPaths.at(i)->path().boundingRect().left());
+	const QPointF &p = _waypoints.at(0)->coordinates();
+	bottom = p.y();
+	top = p.y();
+	left = p.x();
+	right = p.x();
+
+	for (int i = 1; i < _waypoints.size(); i++) {
+		const QPointF &p = _waypoints.at(i)->coordinates();
+		bottom = qMax(bottom, p.y());
+		top = qMin(top, p.y());
+		right = qMax(right, p.x());
+		left = qMin(left, p.x());
 	}
 
 	QRectF br(QPointF(left, top), QPointF(right, bottom));
@@ -149,84 +250,105 @@ qreal TrackView::trackScale() const
 	return qMax(sc.x(), sc.y());
 }
 
-qreal TrackView::mapScale() const
+qreal TrackView::mapScale(int zoom) const
 {
-	return ((360.0/(qreal)(1<<_zoom))/(qreal)TILE_SIZE);
+	return ((360.0/(qreal)(1<<zoom))/(qreal)TILE_SIZE);
+}
+
+void TrackView::checkPOIOverlap()
+{
+	QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
+
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
+		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
+			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
+			  && it.value()->collidesWithItem(jt.value()))
+				jt.value()->hide();
+		}
+	}
 }
 
 void TrackView::rescale(qreal scale)
 {
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		_markers.at(i)->setScale(scale);
-		_trackPaths.at(i)->setScale(1.0/scale);
+	for (int i = 0; i < _tracks.size(); i++)
+		_tracks.at(i)->setScale(1.0/scale);
 
-		QPen pen(_trackPaths.at(i)->pen());
-		pen.setWidthF(TRACK_WIDTH * scale);
-		_trackPaths.at(i)->setPen(pen);
-	}
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->setScale(1.0/scale);
 
-	QHash<Waypoint, WaypointItem*>::const_iterator it, jt;
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->setScale(1.0/scale);
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
 	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		it.value()->setPos(QPointF(it.value()->entry().coordinates().x()
-		  * 1.0/scale, -it.value()->entry().coordinates().y() * 1.0/scale));
+		it.value()->setScale(1.0/scale);
 		it.value()->show();
 	}
 
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
-			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
-			  && it.value()->collidesWithItem(jt.value()))
-				jt.value()->hide();
-		}
-	}
+	if (!_overlapPOIs)
+		checkPOIOverlap();
 
 	_scale = scale;
 }
 
+void TrackView::addPOI(const QVector<Waypoint> &waypoints)
+{
+	for (int i = 0; i < waypoints.size(); i++) {
+		const Waypoint &w = waypoints.at(i);
+
+		if (_pois.contains(w))
+			continue;
+
+		WaypointItem *pi = new WaypointItem(w);
+		pi->setScale(1.0/_scale);
+		pi->setZValue(1);
+		pi->showLabel(_showPOILabels);
+		_scene->addItem(pi);
+
+		_pois.insert(w, pi);
+	}
+}
+
 void TrackView::loadPOI(const POI &poi)
 {
-	QHash<Waypoint, WaypointItem*>::const_iterator it,jt;
-
-	if (!_tracks.size())
+	if (!_tracks.size() && !_routes.size() && !_waypoints.size())
 		return;
 
-	for (int i = 0; i < _tracks.size(); i++) {
-		QVector<Waypoint> p = poi.points(_tracks.at(i));
+	for (int i = 0; i < _tracks.size(); i++)
+		addPOI(poi.points(_tracks.at(i)->path()));
+	for (int i = 0; i < _routes.size(); i++)
+		addPOI(poi.points(_routes.at(i)->path()));
+	addPOI(poi.points(_waypoints));
 
-		for (int i = 0; i < p.size(); i++) {
-			if (_pois.contains(p.at(i)))
-				continue;
-
-			WaypointItem *pi = new WaypointItem(p.at(i));
-			pi->setPos(p.at(i).coordinates().x() * 1.0/_scale,
-			  -p.at(i).coordinates().y() * 1.0/_scale);
-			pi->setZValue(1);
-			_scene->addItem(pi);
-
-			_pois.insert(p.at(i), pi);
-		}
-	}
-
-	for (it = _pois.constBegin(); it != _pois.constEnd(); it++) {
-		for (jt = _pois.constBegin(); jt != _pois.constEnd(); jt++) {
-			if (it != jt && it.value()->isVisible() && jt.value()->isVisible()
-			  && it.value()->collidesWithItem(jt.value()))
-				jt.value()->hide();
-		}
-	}
+	if (!_overlapPOIs)
+		checkPOIOverlap();
 }
 
 void TrackView::setMap(Map *map)
 {
 	_map = map;
 	if (_map)
-		connect(_map, SIGNAL(loaded()), this, SLOT(redraw()));
+		connect(_map, SIGNAL(loaded()), this, SLOT(redraw()),
+		  Qt::UniqueConnection);
 	resetCachedContent();
 }
 
 void TrackView::setUnits(enum Units units)
 {
+	_units = units;
+
 	_mapScale->setUnits(units);
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks[i]->setUnits(units);
+	for (int i = 0; i < _routes.count(); i++)
+		_routes[i]->setUnits(units);
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->setUnits(units);
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+		it.value()->setUnits(units);
 }
 
 void TrackView::redraw()
@@ -234,19 +356,26 @@ void TrackView::redraw()
 	resetCachedContent();
 }
 
-void TrackView::wheelEvent(QWheelEvent *event)
+void TrackView::rescale()
 {
-	if (_tracks.isEmpty())
+	_zoom = qMin(qMin(scale2zoom(trackScale()), scale2zoom(routeScale())),
+	  scale2zoom(waypointScale()));
+
+	rescale(mapScale(_zoom));
+	_mapScale->setZoom(_zoom);
+}
+
+void TrackView::zoom(int z, const QPointF &pos)
+{
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
 		return;
 
-	QPointF pos = mapToScene(event->pos());
 	qreal scale = _scale;
+	_zoom = z;
 
-	_zoom = (event->delta() > 0) ?
-		qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
-
-	rescale(mapScale());
-	QRectF br = trackBoundingRect();
+	rescale(mapScale(_zoom));
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
 	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
 	_scene->setSceneRect(ba);
 
@@ -261,48 +390,65 @@ void TrackView::wheelEvent(QWheelEvent *event)
 	resetCachedContent();
 }
 
-void TrackView::setTrackLineWidth(qreal width)
+void TrackView::wheelEvent(QWheelEvent *event)
 {
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		QPen pen(_trackPaths.at(i)->pen());
-		pen.setWidthF(width);
-		_trackPaths.at(i)->setPen(pen);
-	}
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+		return;
+
+	QPointF pos = mapToScene(event->pos());
+	int z = (event->delta() > 0) ?
+		qMin(_zoom + 1, ZOOM_MAX) : qMax(_zoom - 1, ZOOM_MIN);
+
+	zoom(z, pos);
+}
+
+void TrackView::keyPressEvent(QKeyEvent *event)
+{
+	int z = -1;
+
+	if (event->matches(QKeySequence::ZoomIn))
+		z = qMin(_zoom + 1, ZOOM_MAX);
+	if (event->matches(QKeySequence::ZoomOut))
+		z = qMax(_zoom - 1, ZOOM_MIN);
+
+	if (z >= 0)
+		zoom(z, mapToScene(QRect(QPoint(), size()).center()));
+	else
+		QWidget::keyPressEvent(event);
 }
 
 void TrackView::plot(QPainter *painter, const QRectF &target)
 {
-	QRectF orig, adj;
+	QRect orig, adj;
 	qreal ratio, diff;
 
-	_scene->removeItem(_mapScale);
-	orig = _scene->itemsBoundingRect().adjusted(0, 0, 0,
-	  _mapScale->boundingRect().height());
-	_scene->addItem(_mapScale);
 
-	if (target.width()/target.height() > orig.width()/orig.height()) {
-		ratio = target.width()/target.height();
-		diff = qAbs((orig.height() * ratio) - orig.width());
-		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
-	} else {
+	orig = viewport()->rect();
+
+	if (orig.height() * (target.width() / target.height()) - orig.width() < 0) {
 		ratio = target.height()/target.width();
-		diff = fabs((orig.width() * ratio) - orig.height());
+		diff = (orig.width() * ratio) - orig.height();
 		adj = orig.adjusted(0, -diff/2, 0, diff/2);
+	} else {
+		ratio = target.width() / target.height();
+		diff = (orig.height() * ratio) - orig.width();
+		adj = orig.adjusted(-diff/2, 0, diff/2, 0);
 	}
 
-	_mapScale->setPos(adj.bottomRight()
-	  + QPoint(-_mapScale->boundingRect().width(),
-	  -_mapScale->boundingRect().height()));
+	setUpdatesEnabled(false);
+	_plot = true;
 
-	setTrackLineWidth(0);
-	_scene->render(painter, target, adj);
-	setTrackLineWidth(TRACK_WIDTH * _scale);
-}
+	QPointF pos = _mapScale->pos();
+	_mapScale->setPos(mapToScene(QPoint(adj.bottomRight() + QPoint(
+	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
+	  -(SCALE_OFFSET + _mapScale->boundingRect().height())))));
 
-enum QPrinter::Orientation TrackView::orientation() const
-{
-	return (sceneRect().width() > sceneRect().height())
-		? QPrinter::Landscape : QPrinter::Portrait;
+	render(painter, target, adj);
+
+	_mapScale->setPos(pos);
+
+	_plot = false;
+	setUpdatesEnabled(true);
 }
 
 void TrackView::clearPOI()
@@ -324,42 +470,110 @@ void TrackView::clear()
 
 	_pois.clear();
 	_tracks.clear();
-	_trackPaths.clear();
-	_markers.clear();
+	_routes.clear();
+	_waypoints.clear();
 	_scene->clear();
 	_palette.reset();
 
-	_maxLen = 0;
-	_zoom = -1;
-	_scale = -1.0;
+	_zoom = ZOOM_MAX;
+	_scale = mapScale(_zoom);
 
 	_scene->setSceneRect(QRectF());
+
+	_markerPos = 0;
 }
 
 void TrackView::movePositionMarker(qreal val)
 {
-	for (int i = 0; i < _trackPaths.size(); i++) {
-		qreal f = _maxLen / _trackPaths.at(i)->path().length();
-		QPointF pos = _trackPaths.at(i)->path().pointAtPercent(qMin(val * f,
-		  1.0));
-		_markers.at(i)->setPos(pos);
-	}
+	_markerPos = val;
+
+	for (int i = 0; i < _tracks.size(); i++)
+		_tracks.at(i)->moveMarker(val);
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->moveMarker(val);
+}
+
+void TrackView::showTracks(bool show)
+{
+	_showTracks = show;
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks.at(i)->setVisible(show);
+}
+
+void TrackView::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	for (int i = 0; i < _routes.count(); i++)
+		_routes.at(i)->setVisible(show);
+}
+
+void TrackView::showWaypoints(bool show)
+{
+	_showWaypoints = show;
+
+	for (int i = 0; i < _waypoints.count(); i++)
+		_waypoints.at(i)->setVisible(show);
+}
+
+void TrackView::showWaypointLabels(bool show)
+{
+	_showWaypointLabels = show;
+
+	for (int i = 0; i < _waypoints.size(); i++)
+		_waypoints.at(i)->showLabel(show);
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->showWaypointLabels(show);
+}
+
+void TrackView::showRouteWaypoints(bool show)
+{
+	_showRouteWaypoints = show;
+
+	for (int i = 0; i < _routes.size(); i++)
+		_routes.at(i)->showWaypoints(show);
+}
+
+void TrackView::showPOILabels(bool show)
+{
+	_showPOILabels = show;
+
+	QHash<Waypoint, WaypointItem*>::const_iterator it;
+	for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+		it.value()->showLabel(show);
+
+	setPOIOverlap(_overlapPOIs);
+}
+
+void TrackView::setPOIOverlap(bool overlap)
+{
+	_overlapPOIs = overlap;
+
+	if (_overlapPOIs) {
+		QHash<Waypoint, WaypointItem*>::const_iterator it;
+		for (it = _pois.constBegin(); it != _pois.constEnd(); it++)
+			it.value()->show();
+	} else
+		checkPOIOverlap();
 }
 
 void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
 {
-	if (_tracks.isEmpty() || !_map) {
+	if ((_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
+	  || !_map) {
 		painter->fillRect(rect, Qt::white);
 		return;
 	}
 
-	painter->setWorldMatrixEnabled(false);
-
 	QRectF rr(rect.topLeft() * _scale, rect.size());
 	QPoint tile = mercator2tile(QPointF(rr.topLeft().x(), -rr.topLeft().y()),
 	  _zoom);
 	QPointF tm = tile2mercator(tile, _zoom);
-	QPoint tl = mapFromScene(QPointF(tm.x() / _scale, -tm.y() / _scale));
+	QPoint tl = mapToScene(mapFromScene(QPointF(tm.x() / _scale,
+	  -tm.y() / _scale))).toPoint();
 
 	QList<Tile> tiles;
 	for (int i = 0; i <= rr.size().width() / TILE_SIZE + 1; i++) {
@@ -368,22 +582,25 @@ void TrackView::drawBackground(QPainter *painter, const QRectF &rect)
 		}
 	}
 
-	_map->loadTiles(tiles);
+	_map->loadTiles(tiles, _plot);
 
 	for (int i = 0; i < tiles.count(); i++) {
 		Tile &t = tiles[i];
-		QPoint tp(tl.x() + (t.xy().rx() - tile.rx()) * TILE_SIZE,
-		  tl.y() + (t.xy().ry() - tile.ry()) * TILE_SIZE);
+		QPoint tp(tl.x() + (t.xy().x() - tile.x()) * TILE_SIZE,
+		  tl.y() + (t.xy().y() - tile.y()) * TILE_SIZE);
 		painter->drawPixmap(tp, t.pixmap());
 	}
 }
 
 void TrackView::resizeEvent(QResizeEvent *e)
 {
-	if (_tracks.isEmpty())
+	if (_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
 		return;
 
-	QRectF br = trackBoundingRect();
+	rescale();
+
+	QRectF br = trackBoundingRect() | routeBoundingRect()
+	  | waypointBoundingRect();
 	QRectF ba = br.adjusted(-TILE_SIZE, -TILE_SIZE, TILE_SIZE, TILE_SIZE);
 
 	if (ba.width() < e->size().width()) {
@@ -403,9 +620,10 @@ void TrackView::resizeEvent(QResizeEvent *e)
 
 void TrackView::paintEvent(QPaintEvent *e)
 {
-	QPointF scenePos = mapToScene(rect().bottomLeft() + QPoint(SCALE_OFFSET,
+	QPointF scenePos = mapToScene(rect().bottomRight() + QPoint(
+	  -(SCALE_OFFSET + _mapScale->boundingRect().width()),
 	  -(SCALE_OFFSET + _mapScale->boundingRect().height())));
-	if (_mapScale->pos() != scenePos)
+	if (_mapScale->pos() != scenePos && !_plot)
 		_mapScale->setPos(scenePos);
 
 	QGraphicsView::paintEvent(e);

src/trackview.h

@@ -5,7 +5,6 @@
 #include <QVector>
 #include <QHash>
 #include <QList>
-#include <QPrinter>
 #include "units.h"
 #include "palette.h"
 #include "waypoint.h"
@@ -13,8 +12,11 @@
 class GPX;
 class POI;
 class Map;
+class Track;
+class Route;
+class TrackItem;
+class RouteItem;
 class WaypointItem;
-class MarkerItem;
 class ScaleItem;
 
 class TrackView : public QGraphicsView
@@ -35,42 +37,73 @@ public:
 	void setUnits(enum Units units);
 
 	void plot(QPainter *painter, const QRectF &target);
-	enum QPrinter::Orientation orientation() const;
+
+	int trackCount() const {return _tracks.count();}
+	int routeCount() const {return _routes.count();}
+	int waypointCount() const {return _waypoints.count();}
 
 public slots:
 	void movePositionMarker(qreal val);
-
-private slots:
 	void redraw();
 
-private:
-	void addTrack(const QVector<QPointF> &track);
-	QRectF trackBoundingRect() const;
-	qreal trackScale() const;
-	qreal mapScale() const;
-	void rescale(qreal scale);
+	void setPOIOverlap(bool overlap);
+	void showWaypointLabels(bool show);
+	void showPOILabels(bool show);
+	void showTracks(bool show);
+	void showRoutes(bool show);
+	void showWaypoints(bool show);
+	void showRouteWaypoints(bool show);
 
-	void showMarkers(bool show);
-	void setTrackLineWidth(qreal width);
+private:
+	void addTrack(const Track &track);
+	void addRoute(const Route &route);
+	void addWaypoints(const QList<Waypoint> &waypoints);
+	void addPOI(const QVector<Waypoint> &waypoints);
+
+	QRectF trackBoundingRect() const;
+	QRectF routeBoundingRect() const;
+	QRectF waypointBoundingRect() const;
+	qreal trackScale() const;
+	qreal routeScale() const;
+	qreal waypointScale() const;
+	qreal mapScale(int zoom) const;
+	void rescale(qreal scale);
+	void rescale();
+	void zoom(int z, const QPointF &pos);
+	void checkPOIOverlap();
 
 	void wheelEvent(QWheelEvent *event);
+	void keyPressEvent(QKeyEvent *event);
 	void drawBackground(QPainter *painter, const QRectF &rect);
 	void resizeEvent(QResizeEvent *e);
 	void paintEvent(QPaintEvent *e);
 
 	QGraphicsScene *_scene;
-	QList<QVector<QPointF> > _tracks;
-	QList<QGraphicsPathItem*> _trackPaths;
-	QList<MarkerItem*> _markers;
+	QList<TrackItem*> _tracks;
+	QList<RouteItem*> _routes;
+	QList<WaypointItem*> _waypoints;
 	QHash<Waypoint, WaypointItem*> _pois;
+
 	Map *_map;
 	ScaleItem *_mapScale;
 
 	Palette _palette;
-	qreal _maxLen;
 
 	qreal _scale;
 	int _zoom;
+
+	Units _units;
+
+	bool _showTracks;
+	bool _showRoutes;
+	bool _showWaypoints;
+	bool _showWaypointLabels;
+	bool _showPOILabels;
+	bool _overlapPOIs;
+	bool _showRouteWaypoints;
+
+	bool _plot;
+	qreal _markerPos;
 };
 
 #endif // TRACKVIEW_H

src/units.h

@@ -12,12 +12,17 @@ enum Units {
 #define MS2KMH  3.600000000000  // m/s -> km/h
 #define MS2MIH  2.236936290000  // m/s -> mi/h
 #define FT2MI   0.000189393939  // ft -> mi
+#define MM2IN   0.039370100000  // mm -> in
 
-#define MIINFT  5280 // 1 mi in ft
-#define KMINM   1000 // 1 km in m
+#define KMINM   1000     // 1 km in m
+#define MIINFT  5280     // 1 mi in ft
+#define MIINM   1609.344 // 1mi in m
+
+#define C2FS    1.8 // Celsius to Farenheit - scale
+#define C2FO    32  // Celsius to Farenheit - offset
 
 #ifdef Q_OS_WIN32
-#define UNIT_SPACE     " "
+#define UNIT_SPACE     QString(" ")
 #else // Q_OS_WIN32
 #define UNIT_SPACE     QString::fromUtf8("\xE2\x80\x89")
 #endif // Q_OS_WIN32

src/waypoint.cpp

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

src/waypoint.h

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

src/waypointitem.cpp

@@ -1,45 +1,88 @@
+#include <QApplication>
 #include <QPainter>
 #include "config.h"
+#include "ll.h"
+#include "misc.h"
+#include "tooltip.h"
 #include "waypointitem.h"
 
 
 #define POINT_SIZE  8
 
-WaypointItem::WaypointItem(const Waypoint &entry, QGraphicsItem *parent)
+QString WaypointItem::toolTip()
+{
+	ToolTip tt;
+
+	if (!_waypoint.name().isEmpty() && !_showLabel)
+		tt.insert(qApp->translate("WaypointItem", "Name"), _waypoint.name());
+	tt.insert(qApp->translate("WaypointItem", "Coordinates"),
+	  ::coordinates(_waypoint.coordinates()));
+	if (!std::isnan(_waypoint.elevation()))
+		tt.insert(qApp->translate("WaypointItem", "Elevation"),
+		  ::elevation(_waypoint.elevation() - _waypoint.geoidHeight(), _units));
+	if (!_waypoint.timestamp().isNull())
+		tt.insert(qApp->translate("WaypointItem", "Date"),
+		  _waypoint.timestamp().toString(Qt::SystemLocaleShortDate));
+	if (!_waypoint.description().isNull())
+		tt.insert(qApp->translate("WaypointItem", "Description"),
+		  _waypoint.description());
+
+	return tt.toString();
+}
+
+WaypointItem::WaypointItem(const Waypoint &waypoint, QGraphicsItem *parent)
   : QGraphicsItem(parent)
 {
-	_entry = entry;
+	_units = Metric;
+	_showLabel = true;
+
+	_waypoint = waypoint;
+	_coordinates = ll2mercator(QPointF(waypoint.coordinates().x(),
+	  -waypoint.coordinates().y()));
+
 	updateBoundingRect();
+
+	setPos(_coordinates);
+	setToolTip(toolTip());
+	setCursor(Qt::ArrowCursor);
 }
 
 void WaypointItem::updateBoundingRect()
 {
-	QFont font;
-	font.setPixelSize(FONT_SIZE);
-	font.setFamily(FONT_FAMILY);
-	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description());
+	if (_showLabel) {
+		QFont font;
+		font.setPixelSize(FONT_SIZE);
+		font.setFamily(FONT_FAMILY);
+		QFontMetrics fm(font);
+		QRect ts = fm.tightBoundingRect(_waypoint.name());
 
-	_boundingRect = QRectF(0, 0, ts.width() + POINT_SIZE,
-	  ts.height() + fm.descent() + POINT_SIZE);
+		_boundingRect = QRectF(-POINT_SIZE/2, -POINT_SIZE/2, ts.width()
+		  + POINT_SIZE, ts.height() + fm.descent() + POINT_SIZE);
+	} else
+		_boundingRect = QRectF(-POINT_SIZE/2, -POINT_SIZE/2, POINT_SIZE,
+		  POINT_SIZE);
 }
 
-void WaypointItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
-	  QWidget *widget)
+void WaypointItem::paint(QPainter *painter,
+  const QStyleOptionGraphicsItem *option, QWidget *widget)
 {
 	Q_UNUSED(option);
 	Q_UNUSED(widget);
-	QFont font;
-	font.setPixelSize(FONT_SIZE);
-	font.setFamily(FONT_FAMILY);
-	QFontMetrics fm(font);
-	QRect ts = fm.tightBoundingRect(_entry.description());
 
-	painter->setFont(font);
-	painter->drawText(POINT_SIZE - qMax(ts.x(), 0), POINT_SIZE + ts.height(),
-	  _entry.description());
+	if (_showLabel) {
+		QFont font;
+		font.setPixelSize(FONT_SIZE);
+		font.setFamily(FONT_FAMILY);
+		QFontMetrics fm(font);
+		QRect ts = fm.tightBoundingRect(_waypoint.name());
+
+		painter->setFont(font);
+		painter->drawText(POINT_SIZE/2 - qMax(ts.x(), 0), POINT_SIZE/2
+		  + ts.height(), _waypoint.name());
+	}
+
 	painter->setBrush(Qt::SolidPattern);
-	painter->drawEllipse(0, 0, POINT_SIZE, POINT_SIZE);
+	painter->drawEllipse(-POINT_SIZE/2, -POINT_SIZE/2, POINT_SIZE, POINT_SIZE);
 
 /*
 	painter->setPen(Qt::red);
@@ -47,3 +90,22 @@ void WaypointItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
 	painter->drawRect(boundingRect());
 */
 }
+
+void WaypointItem::setScale(qreal scale)
+{
+	setPos(_coordinates * scale);
+}
+
+void WaypointItem::setUnits(enum Units units)
+{
+	_units = units;
+	setToolTip(toolTip());
+}
+
+void WaypointItem::showLabel(bool show)
+{
+	prepareGeometryChange();
+	_showLabel = show;
+	updateBoundingRect();
+	setToolTip(toolTip());
+}

src/waypointitem.h

@@ -3,12 +3,19 @@
 
 #include <QGraphicsItem>
 #include "waypoint.h"
+#include "units.h"
 
 class WaypointItem : public QGraphicsItem
 {
 public:
-	WaypointItem(const Waypoint &entry, QGraphicsItem *parent = 0);
-	const Waypoint &entry() const {return _entry;}
+	WaypointItem(const Waypoint &waypoint, QGraphicsItem *parent = 0);
+
+	const Waypoint &waypoint() const {return _waypoint;}
+	const QPointF &coordinates() const {return _coordinates;}
+
+	void setUnits(enum Units units);
+	void setScale(qreal scale);
+	void showLabel(bool show);
 
 	QRectF boundingRect() const {return _boundingRect;}
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@@ -16,9 +23,13 @@ public:
 
 private:
 	void updateBoundingRect();
+	QString toolTip();
 
-	Waypoint _entry;
 	QRectF _boundingRect;
+	QPointF _coordinates;
+	Waypoint _waypoint;
+	Units _units;
+	bool _showLabel;
 };
 
 #endif // WAYPOINTITEM_H