Version++

Version++.

README.md

@@ -1,15 +1,16 @@
 # GPXSee
-GPXSee is a Qt-based application for visualizing and analyzing GPX, TCX, FIT,
-IGC and KML files.
+GPXSee is a Qt-based GPS log file viewer and analyzer that supports GPX, TCX,
+KML, FIT, IGC and NMEA files.
 
+## Features
 * User-definable map sources.
 * Elevation, speed, heart rate, cadence, power and temperature graphs.
 * Support for multiple tracks in one view.
 * Support for POI files.
 * Print/export to PDF.
-* Full-screen mode
+* Full-screen mode.
 * Native GUI for Windows, Mac OS X and Linux.
-* Opens GPX, TCX, FIT, KML, IGC and Garmin CSV files.
+* Opens GPX, TCX, FIT, KML, IGC, NMEA and Garmin CSV files.
 
 ![GPXSee - Linux](https://a.fsdn.com/con/app/proj/gpxsee/screenshots/linux.png)
 

gpxsee.pro

@@ -1,10 +1,11 @@
 TARGET = GPXSee
-VERSION = 3.2
+VERSION = 3.4
 QT += core \
     gui \
     network
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 greaterThan(QT_MAJOR_VERSION, 4): QT += printsupport
+lessThan(QT_VERSION, 5.4) : QT += opengl
 HEADERS += src/config.h \
     src/icons.h \
     src/gui.h \
@@ -70,7 +71,10 @@ HEADERS += src/config.h \
     src/cadencegraph.h \
     src/powergraph.h \
     src/igcparser.h \
-    src/nmeaparser.h
+    src/nmeaparser.h \
+    src/optionsdialog.h \
+    src/colorbox.h \
+    src/stylecombobox.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/poi.cpp \
@@ -121,7 +125,10 @@ SOURCES += src/main.cpp \
     src/powergraph.cpp \
     src/igcparser.cpp \
     src/path.cpp \
-    src/nmeaparser.cpp
+    src/nmeaparser.cpp \
+    src/optionsdialog.cpp \
+    src/colorbox.cpp \
+    src/stylecombobox.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts
 macx {

gpxsee.qrc

@@ -15,6 +15,9 @@
         <file>icons/arrow-right-double.png</file>
         <file>icons/view-fullscreen.png</file>
         <file>icons/office-chart-line-stacked.png</file>
+        <file>icons/preferences-desktop-display.png</file>
+        <file>icons/flag_48.png</file>
+        <file>icons/system-run.png</file>
         <file>lang/gpxsee_cs.qm</file>
     </qresource>
 </RCC>

lang/gpxsee_cs.ts

@@ -67,89 +67,89 @@
 <context>
     <name>ExportDialog</name>
     <message>
-        <location filename="../src/exportdialog.cpp" line="122"/>
+        <location filename="../src/exportdialog.cpp" line="120"/>
         <source>Export to PDF</source>
         <translation>Exportovat do PDF</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="29"/>
+        <location filename="../src/exportdialog.cpp" line="25"/>
         <source>PDF files (*.pdf);;All files (*)</source>
         <translation>Soubory PDF (*.pdf);;Všechny soubory (*)</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="42"/>
+        <location filename="../src/exportdialog.cpp" line="38"/>
         <source>Portrait</source>
         <translation>Na výšku</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="43"/>
+        <location filename="../src/exportdialog.cpp" line="39"/>
         <source>Landscape</source>
         <translation>Na šířku</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="85"/>
+        <location filename="../src/exportdialog.cpp" line="83"/>
         <source>Page size:</source>
         <translation>Velikost stránky:</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="86"/>
+        <location filename="../src/exportdialog.cpp" line="84"/>
         <source>Orientation:</source>
         <translation>Orientace:</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="82"/>
+        <location filename="../src/exportdialog.cpp" line="80"/>
         <source>Page Setup</source>
         <translation>Nastavení stránky</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="55"/>
+        <location filename="../src/exportdialog.cpp" line="52"/>
         <source>in</source>
         <translation>in</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="55"/>
+        <location filename="../src/exportdialog.cpp" line="52"/>
         <source>mm</source>
         <translation>mm</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="87"/>
+        <location filename="../src/exportdialog.cpp" line="85"/>
         <source>Margins:</source>
         <translation>Okraje:</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="93"/>
+        <location filename="../src/exportdialog.cpp" line="91"/>
         <source>File:</source>
         <translation>Soubor:</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="100"/>
+        <location filename="../src/exportdialog.cpp" line="98"/>
         <source>Output file</source>
         <translation>Výstupní soubor</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="107"/>
+        <location filename="../src/exportdialog.cpp" line="105"/>
         <source>Export</source>
         <translation>Exportovat</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="129"/>
-        <location filename="../src/exportdialog.cpp" line="139"/>
-        <location filename="../src/exportdialog.cpp" line="144"/>
+        <location filename="../src/exportdialog.cpp" line="127"/>
+        <location filename="../src/exportdialog.cpp" line="137"/>
+        <location filename="../src/exportdialog.cpp" line="142"/>
         <source>Error</source>
         <translation>Chyba</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="129"/>
+        <location filename="../src/exportdialog.cpp" line="127"/>
         <source>No output file selected.</source>
         <translation>Nebyl zvolen žádný výstupní soubor.</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="139"/>
+        <location filename="../src/exportdialog.cpp" line="137"/>
         <source>%1 is a directory.</source>
         <translation>%1 je adresář.</translation>
     </message>
     <message>
-        <location filename="../src/exportdialog.cpp" line="144"/>
+        <location filename="../src/exportdialog.cpp" line="142"/>
         <source>%1 is not writable.</source>
         <translation>%1 nelze zapsat.</translation>
     </message>
@@ -190,285 +190,290 @@
 <context>
     <name>GUI</name>
     <message>
-        <location filename="../src/gui.cpp" line="552"/>
+        <location filename="../src/gui.cpp" line="545"/>
         <source>GPXSee is distributed under the terms of the GNU General Public License version 3. For more info about GPXSee visit the project homepage at </source>
         <translation>Program GPXSee je distribuován pod podmínkami licence GNU General Public License verze 3. Pro více informací navštivte stránky programu na adrese </translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="616"/>
+        <location filename="../src/gui.cpp" line="609"/>
         <source>Open file</source>
         <translation>Otevřít soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="697"/>
+        <location filename="../src/gui.cpp" line="690"/>
         <source>Open POI file</source>
         <translation>Otevřít POI soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="227"/>
+        <location filename="../src/gui.cpp" line="216"/>
         <source>Open</source>
         <translation>Otevřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="211"/>
+        <location filename="../src/gui.cpp" line="200"/>
         <source>Quit</source>
         <translation>Ukončit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="219"/>
-        <location filename="../src/gui.cpp" line="568"/>
-        <location filename="../src/gui.cpp" line="569"/>
+        <location filename="../src/gui.cpp" line="208"/>
+        <location filename="../src/gui.cpp" line="561"/>
+        <location filename="../src/gui.cpp" line="562"/>
         <source>Keyboard controls</source>
         <translation>Ovládací klávesy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="243"/>
+        <location filename="../src/gui.cpp" line="232"/>
         <source>Close</source>
         <translation>Zavřít</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="249"/>
+        <location filename="../src/gui.cpp" line="238"/>
         <source>Reload</source>
         <translation>Znovu načíst</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="478"/>
+        <location filename="../src/gui.cpp" line="471"/>
         <source>Show</source>
         <translation>Zobrazit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="400"/>
-        <location filename="../src/gui.cpp" line="472"/>
+        <location filename="../src/gui.cpp" line="392"/>
+        <location filename="../src/gui.cpp" line="465"/>
         <source>File</source>
         <translation>Soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="112"/>
+        <location filename="../src/gui.cpp" line="102"/>
         <source>FIT files (*.fit)</source>
         <translation>Soubory FIT (*.fit)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="113"/>
+        <location filename="../src/gui.cpp" line="103"/>
         <source>IGC files (*.igc)</source>
         <translation>Soubory IGC (*.igc)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="114"/>
+        <location filename="../src/gui.cpp" line="104"/>
         <source>NMEA files (*.nmea)</source>
         <translation>Soubory NMEA (*.nmea)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="217"/>
-        <location filename="../src/gui.cpp" line="591"/>
-        <location filename="../src/gui.cpp" line="592"/>
+        <location filename="../src/gui.cpp" line="206"/>
+        <location filename="../src/gui.cpp" line="584"/>
+        <location filename="../src/gui.cpp" line="585"/>
         <source>Data sources</source>
         <translation>Zdroje dat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="257"/>
+        <location filename="../src/gui.cpp" line="246"/>
         <source>Load POI file</source>
         <translation>Nahrát POI soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="260"/>
+        <location filename="../src/gui.cpp" line="249"/>
         <source>Close POI files</source>
         <translation>Zavřit POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="262"/>
+        <location filename="../src/gui.cpp" line="251"/>
         <source>Overlap POIs</source>
         <translation>Překrývat POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="266"/>
+        <location filename="../src/gui.cpp" line="255"/>
         <source>Show POI labels</source>
         <translation>Zobrazovat názvy POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="271"/>
+        <location filename="../src/gui.cpp" line="260"/>
         <source>Show POIs</source>
         <translation>Zobrazit POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="280"/>
+        <location filename="../src/gui.cpp" line="269"/>
         <source>Show map</source>
         <translation>Zobrazit mapu</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="286"/>
+        <location filename="../src/gui.cpp" line="275"/>
         <source>Clear tile cache</source>
         <translation>Vymazat mezipaměť dlaždic</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="295"/>
-        <location filename="../src/gui.cpp" line="299"/>
-        <location filename="../src/gui.cpp" line="578"/>
+        <location filename="../src/gui.cpp" line="284"/>
+        <location filename="../src/gui.cpp" line="288"/>
+        <location filename="../src/gui.cpp" line="571"/>
         <source>Next map</source>
         <translation>Následující mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="306"/>
+        <location filename="../src/gui.cpp" line="295"/>
         <source>Show tracks</source>
         <translation>Zobrazit cesty</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="310"/>
+        <location filename="../src/gui.cpp" line="299"/>
         <source>Show routes</source>
         <translation>Zobrazit trasy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="314"/>
+        <location filename="../src/gui.cpp" line="303"/>
         <source>Show waypoints</source>
         <translation>Zobrazit navigační body</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="318"/>
+        <location filename="../src/gui.cpp" line="307"/>
         <source>Waypoint labels</source>
         <translation>Názvy navigačních bodů</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="329"/>
+        <location filename="../src/gui.cpp" line="318"/>
         <source>Show graphs</source>
         <translation>Zobrazovat grafy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="351"/>
+        <location filename="../src/gui.cpp" line="340"/>
         <source>Show grid</source>
         <translation>Zobrazit mřížku</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="357"/>
+        <location filename="../src/gui.cpp" line="346"/>
         <source>Show toolbars</source>
         <translation>Zobrazovat nástrojové lišty</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="363"/>
+        <location filename="../src/gui.cpp" line="352"/>
         <source>Metric</source>
         <translation>Metrické</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="368"/>
+        <location filename="../src/gui.cpp" line="357"/>
         <source>Imperial</source>
         <translation>Imperiální</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="374"/>
+        <location filename="../src/gui.cpp" line="363"/>
         <source>Fullscreen mode</source>
         <translation>Celoobrazovkový režim</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="382"/>
+        <location filename="../src/gui.cpp" line="369"/>
+        <source>Options...</source>
+        <translation>Nastavení...</translation>
+    </message>
+    <message>
+        <location filename="../src/gui.cpp" line="374"/>
         <source>Next</source>
         <translation>Následující</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="385"/>
+        <location filename="../src/gui.cpp" line="377"/>
         <source>Previous</source>
         <translation>Předchozí</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="389"/>
+        <location filename="../src/gui.cpp" line="381"/>
         <source>Last</source>
         <translation>Poslední</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="392"/>
+        <location filename="../src/gui.cpp" line="384"/>
         <source>First</source>
         <translation>První</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="414"/>
+        <location filename="../src/gui.cpp" line="406"/>
         <source>Map</source>
         <translation>Mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="421"/>
+        <location filename="../src/gui.cpp" line="413"/>
         <source>Graph</source>
         <translation>Graf</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="429"/>
+        <location filename="../src/gui.cpp" line="421"/>
         <source>POI</source>
         <translation>POI</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="430"/>
+        <location filename="../src/gui.cpp" line="422"/>
         <source>POI files</source>
         <translation>POI soubory</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="441"/>
+        <location filename="../src/gui.cpp" line="433"/>
         <source>Data</source>
         <translation>Data</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="442"/>
+        <location filename="../src/gui.cpp" line="434"/>
         <source>Display</source>
         <translation>Zobrazit</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="450"/>
+        <location filename="../src/gui.cpp" line="442"/>
         <source>Settings</source>
         <translation>Nastavení</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="451"/>
+        <location filename="../src/gui.cpp" line="443"/>
         <source>Units</source>
         <translation>Jednotky</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="459"/>
+        <location filename="../src/gui.cpp" line="452"/>
         <source>Help</source>
         <translation>Nápověda</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="580"/>
+        <location filename="../src/gui.cpp" line="573"/>
         <source>Previous map</source>
         <translation>Předchozí mapa</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="113"/>
+        <location filename="../src/gui.cpp" line="103"/>
         <source>GPX files (*.gpx)</source>
         <translation>Soubory GPX (*.gpx)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="115"/>
+        <location filename="../src/gui.cpp" line="105"/>
         <source>TCX files (*.tcx)</source>
         <translation>Soubory TCX (*.tcx)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="114"/>
+        <location filename="../src/gui.cpp" line="104"/>
         <source>KML files (*.kml)</source>
         <translation>Soubory KML (*.kml)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="112"/>
+        <location filename="../src/gui.cpp" line="102"/>
         <source>CSV files (*.csv)</source>
         <translation>Soubory CSV (*.csv)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="115"/>
+        <location filename="../src/gui.cpp" line="105"/>
         <source>All files (*)</source>
         <translation>Všechny soubory (*)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="783"/>
-        <location filename="../src/gui.cpp" line="786"/>
+        <location filename="../src/gui.cpp" line="817"/>
+        <location filename="../src/gui.cpp" line="820"/>
         <source>Date</source>
         <translation>Datum</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="795"/>
+        <location filename="../src/gui.cpp" line="829"/>
         <source>Routes</source>
         <translation>Trasy</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="983"/>
+        <location filename="../src/gui.cpp" line="1017"/>
         <source>No GPX files loaded</source>
         <translation>Nejsou načteny žádné GPX soubory</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui.cpp" line="987"/>
+        <location filename="../src/gui.cpp" line="1021"/>
         <source>%n files</source>
         <translation>
             <numerusform>%n soubor</numerusform>
@@ -477,126 +482,126 @@
         </translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="571"/>
+        <location filename="../src/gui.cpp" line="564"/>
         <source>Next file</source>
         <translation>Následující soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="548"/>
+        <location filename="../src/gui.cpp" line="541"/>
         <source>Version </source>
         <translation>Verze </translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="232"/>
+        <location filename="../src/gui.cpp" line="221"/>
         <source>Print...</source>
         <translation>Tisknout...</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="237"/>
+        <location filename="../src/gui.cpp" line="226"/>
         <source>Export to PDF...</source>
         <translation>Exportovat do PDF...</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="797"/>
+        <location filename="../src/gui.cpp" line="831"/>
         <source>Waypoints</source>
         <translation>Navigační body</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="572"/>
+        <location filename="../src/gui.cpp" line="565"/>
         <source>Previous file</source>
         <translation>Předchozí soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="111"/>
+        <location filename="../src/gui.cpp" line="101"/>
         <source>Supported files (*.csv *.fit *.gpx *.igc *.kml *.nmea *.tcx)</source>
         <translation>Podporované soubory (*.csv *.fit *.gpx *.igc *.kml *.nmea *.tcx)</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="322"/>
+        <location filename="../src/gui.cpp" line="311"/>
         <source>Route waypoints</source>
         <translation>Body tras</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="574"/>
+        <location filename="../src/gui.cpp" line="567"/>
         <source>First file</source>
         <translation>První soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="575"/>
+        <location filename="../src/gui.cpp" line="568"/>
         <source>Last file</source>
         <translation>Poslední soubor</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="576"/>
+        <location filename="../src/gui.cpp" line="569"/>
         <source>Append modifier</source>
         <translation>Modifikátor nahradit/přidat</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="595"/>
+        <location filename="../src/gui.cpp" line="588"/>
         <source>Map (tiles) source URLs are read on program startup from the following file:</source>
         <translation>URL mapových zdrojů (dlaždic) jsou načteny při startu programu z následujícího souboru:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="598"/>
+        <location filename="../src/gui.cpp" line="591"/>
         <source>The file format is one map entry per line, consisting of the map name and tiles URL delimited by a TAB character. The tile X and Y coordinates are replaced with $x and $y in the URL and the zoom level is replaced with $z. An example map file could look like:</source>
         <translation>Formát souboru je jeden mapový záznam na řádku, kde mapový záznam sestává ze jména mapy a URL dlaždic navzájem oddělených tabulátorem. Souřadnice dlaždice jsou v URL nahrazeny řetězci $x a $y, úroven přiblížení (zoom) pak řetězcem $z. Příklad:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="606"/>
+        <location filename="../src/gui.cpp" line="599"/>
         <source>To make GPXSee load a POI file automatically on startup, add the file to the following directory:</source>
         <translation>POI soubory, které se mají automaticky nahrát při startu programu jsou načítány z následujícího adresáře:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="686"/>
+        <location filename="../src/gui.cpp" line="679"/>
         <source>Error loading data file:</source>
         <translation>Datový soubor nelze načíst:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="689"/>
-        <location filename="../src/gui.cpp" line="714"/>
+        <location filename="../src/gui.cpp" line="682"/>
+        <location filename="../src/gui.cpp" line="707"/>
         <source>Line: %1</source>
         <translation>Řádka: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="711"/>
+        <location filename="../src/gui.cpp" line="704"/>
         <source>Error loading POI file:</source>
         <translation>Soubor POI nelze načíst:</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="793"/>
+        <location filename="../src/gui.cpp" line="827"/>
         <source>Tracks</source>
         <translation>Cesty</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="222"/>
-        <location filename="../src/gui.cpp" line="546"/>
+        <location filename="../src/gui.cpp" line="211"/>
+        <location filename="../src/gui.cpp" line="539"/>
         <source>About GPXSee</source>
         <translation>O aplikaci GPXSee</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="483"/>
+        <location filename="../src/gui.cpp" line="476"/>
         <source>Navigation</source>
         <translation>Navigace</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="594"/>
+        <location filename="../src/gui.cpp" line="587"/>
         <source>Map sources</source>
         <translation>Mapové zdroje</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="605"/>
+        <location filename="../src/gui.cpp" line="598"/>
         <source>POIs</source>
         <translation>POI body</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="337"/>
-        <location filename="../src/gui.cpp" line="800"/>
+        <location filename="../src/gui.cpp" line="326"/>
+        <location filename="../src/gui.cpp" line="834"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/gui.cpp" line="344"/>
-        <location filename="../src/gui.cpp" line="802"/>
+        <location filename="../src/gui.cpp" line="333"/>
+        <location filename="../src/gui.cpp" line="836"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
@@ -604,48 +609,48 @@
 <context>
     <name>GraphView</name>
     <message>
-        <location filename="../src/graphview.cpp" line="102"/>
+        <location filename="../src/graphview.cpp" line="112"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="105"/>
+        <location filename="../src/graphview.cpp" line="115"/>
         <source>km</source>
         <translation>km</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="110"/>
+        <location filename="../src/graphview.cpp" line="120"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="113"/>
+        <location filename="../src/graphview.cpp" line="123"/>
         <source>mi</source>
         <translation>mi</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="119"/>
+        <location filename="../src/graphview.cpp" line="129"/>
         <source>s</source>
         <translation>s</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="122"/>
+        <location filename="../src/graphview.cpp" line="132"/>
         <source>min</source>
         <translation>min</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="125"/>
+        <location filename="../src/graphview.cpp" line="135"/>
         <source>h</source>
         <translation>h</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="54"/>
-        <location filename="../src/graphview.cpp" line="151"/>
+        <location filename="../src/graphview.cpp" line="64"/>
+        <location filename="../src/graphview.cpp" line="161"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="153"/>
+        <location filename="../src/graphview.cpp" line="163"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
@@ -674,6 +679,117 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>OptionsDialog</name>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="34"/>
+        <source>Base color:</source>
+        <translation>Základní barva</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="35"/>
+        <source>Palette shift:</source>
+        <translation>Posun palety</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="47"/>
+        <source>Track width:</source>
+        <translation>Šířka cest:</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="48"/>
+        <source>Track style:</source>
+        <translation>Styl cest:</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="50"/>
+        <source>Tracks</source>
+        <translation>Cesty</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="60"/>
+        <source>Route width:</source>
+        <translation>Šířka tras:</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="61"/>
+        <source>Route style:</source>
+        <translation>Styl tras:</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="63"/>
+        <source>Routes</source>
+        <translation>Trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="67"/>
+        <location filename="../src/optionsdialog.cpp" line="99"/>
+        <source>Use anti-aliasing</source>
+        <translation>Vyhlazovat hrany</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="97"/>
+        <source>Line width:</source>
+        <translation>Šířka čar:</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="113"/>
+        <source>Colors</source>
+        <translation>Barvy</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="114"/>
+        <source>Paths</source>
+        <translation>Trasy</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="115"/>
+        <source>Graphs</source>
+        <translation>Grafy</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="127"/>
+        <source>mi</source>
+        <translation>mi</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="130"/>
+        <source>km</source>
+        <translation>km</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="134"/>
+        <source>POI radius:</source>
+        <translation>POI radius</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="140"/>
+        <location filename="../src/optionsdialog.cpp" line="184"/>
+        <source>POI</source>
+        <translation>POI</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="147"/>
+        <source>Use OpenGL</source>
+        <translation>Používat OpenGL</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="167"/>
+        <location filename="../src/optionsdialog.cpp" line="185"/>
+        <source>System</source>
+        <translation>Systém</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="182"/>
+        <source>Appearance</source>
+        <translation>Vzhled</translation>
+    </message>
+    <message>
+        <location filename="../src/optionsdialog.cpp" line="212"/>
+        <source>Options</source>
+        <translation>Nastavení</translation>
+    </message>
+</context>
 <context>
     <name>PowerGraph</name>
     <message>

pkg/gpxsee.nsi

@@ -4,7 +4,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "3.2"
+!define VERSION "3.4"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}.exe"
@@ -130,6 +130,8 @@ Section "QT libs" SEC_QT
   File "Qt5PrintSupport.dll"
   File "Qt5Network.dll"
   File "libGLESv2.dll"
+  File "libEGL.dll"
+  File "D3DCompiler_47.dll"
   File /r "platforms"
   File /r "imageformats"
   File /r "printsupport"

pkg/gpxsee64.nsi

@@ -4,7 +4,7 @@
 ; The name of the installer
 Name "GPXSee"
 ; Program version
-!define VERSION "3.2"
+!define VERSION "3.4"
 
 ; The file to write
 OutFile "GPXSee-${VERSION}_x64.exe"
@@ -138,6 +138,8 @@ Section "QT libs" SEC_QT
   File "Qt5PrintSupport.dll"
   File "Qt5Network.dll"
   File "libGLESv2.dll"
+  File "libEGL.dll"
+  File "D3DCompiler_47.dll"
   File /r "platforms"
   File /r "imageformats"
   File /r "printsupport"

src/app.cpp

@@ -3,6 +3,12 @@
 #include <QLocale>
 #include <QFileOpenEvent>
 #include <QNetworkProxyFactory>
+#include <QPixmapCache>
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+#include <QGLFormat>
+#else // QT 5
+#include <QSurfaceFormat>
+#endif // QT 5
 #include "gui.h"
 #include "app.h"
 
@@ -21,6 +27,18 @@ App::App(int &argc, char **argv) : QApplication(argc, argv),
 
 	QNetworkProxyFactory::setUseSystemConfiguration(true);
 
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+	QGLFormat fmt;
+	fmt.setSamples(10);
+	QGLFormat::setDefaultFormat(fmt);
+#else
+	QSurfaceFormat fmt;
+	fmt.setSamples(4);
+	QSurfaceFormat::setDefaultFormat(fmt);
+#endif
+
+	QPixmapCache::setCacheLimit(65536);
+
 	_gui = new GUI();
 }
 

src/colorbox.cpp

@@ -0,0 +1,68 @@
+#include <QStylePainter>
+#include <QStyleOptionComboBox>
+#include <QMouseEvent>
+#include <QColorDialog>
+#include <QComboBox>
+#include "colorbox.h"
+
+
+ColorBox::ColorBox(QWidget *parent) : QWidget(parent)
+{
+	_color = Qt::red;
+	setSizePolicy(QSizePolicy::QSizePolicy::Minimum, QSizePolicy::Fixed);
+}
+
+QSize ColorBox::sizeHint() const
+{
+	static QSize size;
+	if (size.isValid())
+		return size;
+
+	QComboBox cb;
+	size = cb.sizeHint();
+	return size;
+}
+
+void ColorBox::paintEvent(QPaintEvent *event)
+{
+	Q_UNUSED(event);
+
+    QStylePainter painter(this);
+
+    QStyleOptionComboBox option;
+	option.initFrom(this);
+
+#if defined(Q_OS_MAC) || defined(Q_OS_WIN32)
+	painter.setBrush(_color);
+	painter.drawPrimitive(QStyle::PE_Frame, option);
+#else // Q_OS_MAC || Q_OS_WIN32
+	// Fallback for some broken QT4 styles that do not draw the background
+	painter.setBrush(_color);
+	painter.setPen(Qt::NoPen);
+	painter.drawRect(event->rect().adjusted(2, 2, -2, -2));
+	// If works (QT5 and most QT4 styles) overpaints the previous rectangle
+	option.palette.setBrush(QPalette::Base, _color);
+	painter.drawPrimitive(QStyle::PE_PanelLineEdit, option);
+	painter.drawPrimitive(QStyle::PE_FrameLineEdit, option);
+#endif // Q_OS_MAC || Q_OS_WIN32
+}
+
+void ColorBox::mousePressEvent(QMouseEvent *event)
+{
+	if (event->button() != Qt::LeftButton)
+		return;
+
+	QColor color = QColorDialog::getColor(_color, this, QString(),
+	  QColorDialog::ShowAlphaChannel);
+	if (color.isValid()) {
+		_color = color;
+		update();
+		emit colorChanged(_color);
+	}
+}
+
+void ColorBox::setColor(const QColor &color)
+{
+	_color = color;
+	update();
+}

src/colorbox.h

@@ -0,0 +1,29 @@
+#ifndef COLORBOX_H
+#define COLORBOX_H
+
+#include <QWidget>
+
+class ColorBox : public QWidget
+{
+	Q_OBJECT
+
+public:
+	ColorBox(QWidget *parent = 0);
+
+	const QColor &color() const {return _color;}
+	void setColor(const QColor &color);
+
+	QSize sizeHint() const;
+
+signals:
+	void colorChanged(const QColor &color);
+
+protected:
+	void mousePressEvent(QMouseEvent *event);
+	void paintEvent(QPaintEvent *event);
+
+private:
+	QColor _color;
+};
+
+#endif // COLORBOX_H

src/coordinates.cpp

@@ -2,6 +2,10 @@
 #include "wgs84.h"
 #include "coordinates.h"
 
+#define MIN_LAT deg2rad(-90.0)
+#define MAX_LAT deg2rad(90.0)
+#define MIN_LON deg2rad(-180.0)
+#define MAX_LON deg2rad(180.0)
 
 qreal Coordinates::distanceTo(const Coordinates &c) const
 {
@@ -35,3 +39,31 @@ QDebug operator<<(QDebug dbg, const Coordinates &coordinates)
 
 	return dbg.maybeSpace();
 }
+
+QPair<Coordinates, Coordinates> Coordinates::boundingRect(qreal distance) const
+{
+	qreal radDist = distance / WGS84_RADIUS;
+
+	qreal minLat = deg2rad(_lat) - radDist;
+	qreal maxLat = deg2rad(_lat) + radDist;
+
+	qreal minLon, maxLon;
+	if (minLat > MIN_LAT && maxLat < MAX_LAT) {
+		qreal deltaLon = asin(sin(radDist) / cos(_lat));
+		minLon = deg2rad(_lon) - deltaLon;
+		if (minLon < MIN_LON)
+			minLon += 2.0 * M_PI;
+		maxLon = deg2rad(_lon) + deltaLon;
+		if (maxLon > MAX_LON)
+			maxLon -= 2.0 * M_PI;
+	} else {
+		// a pole is within the distance
+		minLat = qMax(minLat, MIN_LAT);
+		maxLat = qMin(maxLat, MAX_LAT);
+		minLon = MIN_LON;
+		maxLon = MAX_LON;
+	}
+
+	return QPair<Coordinates, Coordinates>(Coordinates(rad2deg(minLon),
+	  rad2deg(minLat)), Coordinates(rad2deg(maxLon), rad2deg(maxLat)));
+}

src/coordinates.h

@@ -26,6 +26,7 @@ public:
 		&& _lat <= 90.0) ? true : false;}
 
 	qreal distanceTo(const Coordinates &c) const;
+	QPair<Coordinates, Coordinates> boundingRect(qreal distance) const;
 
 	QPointF toMercator() const;
 	static Coordinates fromMercator(const QPointF &m);

src/exportdialog.cpp

@@ -11,23 +11,19 @@
 #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)
+ExportDialog::ExportDialog(Export *exp, QWidget *parent)
+  : QDialog(parent), _export(exp)
 {
 	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());
+	_fileSelect->setFile(_export->fileName);
 
 	_paperSize = new QComboBox();
 	_paperSize->addItem("A3", QPrinter::A3);
@@ -36,7 +32,7 @@ ExportDialog::ExportDialog(QPrinter *printer, QWidget *parent)
 	_paperSize->addItem("Tabloid", QPrinter::Tabloid);
 	_paperSize->addItem("Legal", QPrinter::Legal);
 	_paperSize->addItem("Letter", QPrinter::Letter);
-	if ((index = _paperSize->findData(_printer->paperSize())) >= 0)
+	if ((index = _paperSize->findData(_export->paperSize)) >= 0)
 		_paperSize->setCurrentIndex(index);
 
 	_portrait = new QRadioButton(tr("Portrait"));
@@ -44,32 +40,34 @@ ExportDialog::ExportDialog(QPrinter *printer, QWidget *parent)
 	QHBoxLayout *orientationLayout = new QHBoxLayout();
 	orientationLayout->addWidget(_portrait);
 	orientationLayout->addWidget(_landscape);
-	if (_printer->orientation() == QPrinter::Portrait)
+	if (_export->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);
+	QString us = (_export->units == Imperial) ? tr("in") : tr("mm");
 	_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) {
+	if (_export->units == Imperial) {
+		_topMargin->setValue(_export->margins.top() * MM2IN);
+		_bottomMargin->setValue(_export->margins.bottom() * MM2IN);
+		_leftMargin->setValue(_export->margins.left() * MM2IN);
+		_rightMargin->setValue(_export->margins.right() * MM2IN);
 		_topMargin->setSingleStep(0.1);
 		_bottomMargin->setSingleStep(0.1);
 		_leftMargin->setSingleStep(0.1);
 		_rightMargin->setSingleStep(0.1);
+	} else {
+		_topMargin->setValue(_export->margins.top());
+		_bottomMargin->setValue(_export->margins.bottom());
+		_leftMargin->setValue(_export->margins.left());
+		_rightMargin->setValue(_export->margins.right());
 	}
 
 	QGridLayout *marginsLayout = new QGridLayout();
@@ -164,12 +162,16 @@ void ExportDialog::accept()
 	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);
+	_export->fileName = _fileSelect->file();
+	_export->paperSize = paperSize;
+	_export->orientation = orientation;
+	if (_export->units == Imperial)
+		_export->margins = MarginsF(_leftMargin->value() / MM2IN,
+		_topMargin->value() / MM2IN, _rightMargin->value() / MM2IN,
+		_bottomMargin->value() / MM2IN);
+	else
+		_export->margins = MarginsF(_leftMargin->value(), _topMargin->value(),
+		  _rightMargin->value(), _bottomMargin->value());
 
 	QDialog::accept();
 }

src/exportdialog.h

@@ -3,18 +3,29 @@
 
 #include <QDialog>
 #include <QPrinter>
+#include "margins.h"
+#include "units.h"
 
 class QComboBox;
 class QRadioButton;
 class FileSelectWidget;
 class QDoubleSpinBox;
 
+struct Export {
+	QString fileName;
+	QPrinter::PaperSize paperSize;
+	QPrinter::Orientation orientation;
+	MarginsF margins;
+
+	Units units;
+};
+
 class ExportDialog : public QDialog
 {
 	Q_OBJECT
 
 public:
-	ExportDialog(QPrinter *printer, QWidget *parent = 0);
+	ExportDialog(Export *exp, QWidget *parent = 0);
 
 public slots:
 	void accept();
@@ -22,9 +33,7 @@ public slots:
 private:
 	bool checkFile();
 
-	QPrinter *_printer;
-
-	QPrinter::Unit _units;
+	Export *_export;
 
 	FileSelectWidget *_fileSelect;
 	QComboBox *_paperSize;

src/graphitem.cpp

@@ -2,20 +2,20 @@
 #include "graphitem.h"
 
 
-#define GRAPH_WIDTH 1
-#define HOVER_WIDTH 2
-
 GraphItem::GraphItem(const Graph &graph, QGraphicsItem *parent)
   : QGraphicsObject(parent)
 {
 	_id = 0;
+	_width = 1;
 
-	_pen = QPen(Qt::black, GRAPH_WIDTH);
+	_pen = QPen(Qt::black, _width);
 
 	_type = Distance;
 	_graph = graph;
 	_sx = 1.0; _sy = 1.0;
 
+	setZValue(1.0);
+
 	updatePath();
 	updateBounds();
 }
@@ -51,6 +51,14 @@ void GraphItem::setColor(const QColor &color)
 	update();
 }
 
+void GraphItem::setWidth(int width)
+{
+	prepareGeometryChange();
+
+	_width = width;
+	_pen.setWidth(width);
+}
+
 qreal GraphItem::yAtX(qreal x)
 {
 	int low = 0;
@@ -130,10 +138,10 @@ void GraphItem::emitSliderPositionChanged(qreal pos)
 void GraphItem::selected(bool selected)
 {
 	if (selected) {
-		_pen.setWidth(HOVER_WIDTH);
+		_pen.setWidth(_width + 1);
 		setZValue(zValue() + 1.0);
 	} else {
-		_pen.setWidth(GRAPH_WIDTH);
+		_pen.setWidth(_width);
 		setZValue(zValue() - 1.0);
 	}
 

src/graphitem.h

@@ -24,6 +24,7 @@ public:
 	int id() const {return _id;}
 	void setId(int id) {_id = id;}
 	void setColor(const QColor &color);
+	void setWidth(int width);
 
 	qreal yAtX(qreal x);
 	qreal distanceAtTime(qreal time);
@@ -41,6 +42,7 @@ private:
 
 	int _id;
 	QPen _pen;
+	int _width;
 
 	Graph _graph;
 	GraphType _type;

src/graphview.cpp

@@ -3,6 +3,12 @@
 #include <QMouseEvent>
 #include <QPaintEngine>
 #include <QPaintDevice>
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+#include <QGLWidget>
+#else // QT 5
+#include <QOpenGLWidget>
+#endif // QT 5
+#include <QSysInfo>
 #include "config.h"
 #include "axisitem.h"
 #include "slideritem.h"
@@ -23,23 +29,27 @@ GraphView::GraphView(QWidget *parent)
 	_scene = new QGraphicsScene();
 	setScene(_scene);
 
+	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
+	setRenderHint(QPainter::Antialiasing, true);
 	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 
 	_xAxis = new AxisItem(AxisItem::X);
-	_xAxis->setZValue(1.0);
+	_xAxis->setZValue(2.0);
 	_yAxis = new AxisItem(AxisItem::Y);
-	_yAxis->setZValue(1.0);
+	_yAxis->setZValue(2.0);
 	_slider = new SliderItem();
-	_slider->setZValue(2.0);
+	_slider->setZValue(3.0);
 	_sliderInfo = new SliderInfoItem(_slider);
-	_sliderInfo->setZValue(2.0);
+	_sliderInfo->setZValue(3.0);
 	_info = new InfoItem();
 	_grid = new GridItem();
 
 	connect(_slider, SIGNAL(positionChanged(const QPointF&)), this,
 	  SLOT(emitSliderPositionChanged(const QPointF&)));
 
+	_width = 1;
+
 	_xScale = 1;
 	_yScale = 1;
 	_yOffset = 0;
@@ -169,7 +179,8 @@ void GraphView::loadGraph(const Graph &graph, PathItem *path, int id)
 	GraphItem *gi = new GraphItem(graph);
 	gi->setGraphType(_graphType);
 	gi->setId(id);
-	gi->setColor(_palette.color());
+	gi->setColor(_palette.nextColor());
+	gi->setWidth(_width);
 
 	connect(this, SIGNAL(sliderPositionChanged(qreal)), gi,
 	  SLOT(emitSliderPositionChanged(qreal)));
@@ -431,3 +442,35 @@ void GraphView::clearInfo()
 {
 	_info->clear();
 }
+
+void GraphView::setPalette(const Palette &palette)
+{
+	_palette = palette;
+	_palette.reset();
+
+	for (int i = 0; i < _graphs.count(); i++)
+		_graphs.at(i)->setColor(_palette.nextColor());
+}
+
+void GraphView::setGraphWidth(int width)
+{
+	_width = width;
+
+	for (int i = 0; i < _graphs.count(); i++)
+		_graphs.at(i)->setWidth(width);
+}
+
+void GraphView::useOpenGL(bool use)
+{
+	if (use) {
+#ifdef Q_OS_WIN32
+		if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
+#endif // Q_OS_WIN32
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+		setViewport(new QGLWidget);
+#else // QT 5
+		setViewport(new QOpenGLWidget);
+#endif // QT 5
+	} else
+		setViewport(new QWidget);
+}

src/graphview.h

@@ -35,6 +35,9 @@ public:
 	void setUnits(Units units);
 	void showGrid(bool show);
 
+	void setPalette(const Palette &palette);
+	void setGraphWidth(int width);
+
 	const QString &yLabel() const {return _yLabel;}
 	const QString &yUnits() const {return _yUnits;}
 	qreal yScale() const {return _yScale;}
@@ -52,6 +55,8 @@ public:
 
 	void plot(QPainter *painter, const QRectF &target);
 
+	void useOpenGL(bool use);
+
 signals:
 	void sliderPositionChanged(qreal);
 
@@ -60,7 +65,7 @@ protected:
 	void redraw(const QSizeF &size);
 	void addInfo(const QString &key, const QString &value);
 	void clearInfo();
-	void skipColor() {_palette.color();}
+	void skipColor() {_palette.nextColor();}
 
 private slots:
 	void emitSliderPositionChanged(const QPointF &pos);
@@ -99,6 +104,7 @@ private:
 	QSet<int> _hide;
 	QRectF _bounds;
 	Palette _palette;
+	int _width;
 
 	Units _units;
 	GraphType _graphType;

src/griditem.cpp

@@ -6,7 +6,9 @@
 
 GridItem::GridItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
-
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
 void GridItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,

src/gui.cpp

@@ -21,7 +21,6 @@
 #include <QLocale>
 #include <QMimeData>
 #include <QUrl>
-#include <QPixmapCache>
 #include "config.h"
 #include "icons.h"
 #include "keys.h"
@@ -39,7 +38,6 @@
 #include "trackinfo.h"
 #include "filebrowser.h"
 #include "cpuarch.h"
-#include "exportdialog.h"
 #include "graphtab.h"
 #include "format.h"
 #include "gui.h"
@@ -72,6 +70,7 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	setWindowIcon(QIcon(QPixmap(APP_ICON)));
 	setWindowTitle(APP_NAME);
 	setUnifiedTitleAndToolBarOnMac(true);
+	setAcceptDrops(true);
 
 	_trackCount = 0;
 	_routeCount = 0;
@@ -87,15 +86,6 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent)
 	updateStatusBarInfo();
 
 	readSettings();
-
-	_exportPaperSize = (QLocale::system().measurementSystem()
-	  == QLocale::ImperialSystem) ? QPrinter::Letter : QPrinter::A4;
-	_exportOrientation = QPrinter::Portrait;
-	_exportFileName = QString("%1/export.pdf").arg(QDir::currentPath());
-	_exportMargins = MarginsF(5.0, 5.0, 5.0, 5.0);
-
-	setAcceptDrops(true);
-	QPixmapCache::setCacheLimit(65536);
 }
 
 GUI::~GUI()
@@ -198,7 +188,6 @@ void GUI::createActions()
 {
 	QActionGroup *ag;
 
-
 	// Action Groups
 	_fileActionGroup = new QActionGroup(this);
 	_fileActionGroup->setExclusive(false);
@@ -377,6 +366,9 @@ void GUI::createActions()
 	connect(_fullscreenAction, SIGNAL(triggered(bool)), this,
 	  SLOT(showFullscreen(bool)));
 	addAction(_fullscreenAction);
+	_openOptionsAction = new QAction(tr("Options..."), this);
+	connect(_openOptionsAction, SIGNAL(triggered()), this,
+	  SLOT(openOptions()));
 
 	// Navigation actions
 	_nextAction = new QAction(QIcon(QPixmap(NEXT_FILE_ICON)), tr("Next"), this);
@@ -453,8 +445,9 @@ void GUI::createMenus()
 	unitsMenu->addAction(_imperialUnitsAction);
 	settingsMenu->addSeparator();
 	settingsMenu->addAction(_showToolbarsAction);
-	settingsMenu->addSeparator();
 	settingsMenu->addAction(_fullscreenAction);
+	settingsMenu->addSeparator();
+	settingsMenu->addAction(_openOptionsAction);
 
 	QMenu *helpMenu = menuBar()->addMenu(tr("Help"));
 	helpMenu->addAction(_dataSourcesAction);
@@ -746,26 +739,67 @@ void GUI::printFile()
 		plot(&printer);
 }
 
+void GUI::openOptions()
+{
+	Options options(_options);
+
+	OptionsDialog dialog(&options, this);
+	if (dialog.exec() != QDialog::Accepted)
+		return;
+
+	if (options.palette != _options.palette) {
+		_pathView->setPalette(options.palette);
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->setPalette(options.palette);
+	}
+	if (options.trackWidth != _options.trackWidth)
+		_pathView->setTrackWidth(options.trackWidth);
+	if (options.routeWidth != _options.routeWidth)
+		_pathView->setRouteWidth(options.routeWidth);
+	if (options.trackStyle != _options.trackStyle)
+		_pathView->setTrackStyle(options.trackStyle);
+	if (options.routeStyle != _options.routeStyle)
+		_pathView->setRouteStyle(options.routeStyle);
+	if (options.pathAntiAliasing != _options.pathAntiAliasing)
+		_pathView->setRenderHint(QPainter::Antialiasing,
+		  options.pathAntiAliasing);
+	if (options.graphWidth != _options.graphWidth)
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->setGraphWidth(options.graphWidth);
+	if (options.graphAntiAliasing != _options.graphAntiAliasing)
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->setRenderHint(QPainter::Antialiasing,
+			  options.graphAntiAliasing);
+
+	if (options.poiRadius != _options.poiRadius)
+		_poi->setRadius(options.poiRadius);
+
+	if (options.useOpenGL != _options.useOpenGL) {
+		_pathView->useOpenGL(options.useOpenGL);
+		for (int i = 0; i < _tabs.count(); i++)
+			_tabs.at(i)->useOpenGL(options.useOpenGL);
+	}
+
+	_options = options;
+}
+
 void GUI::exportFile()
 {
-	QPrinter printer(QPrinter::HighResolution);
-	printer.setCreator(QString(APP_NAME) + QString(" ") + QString(APP_VERSION));
-	printer.setOrientation(_exportOrientation);
-	printer.setOutputFileName(_exportFileName);
-	printer.setPaperSize(_exportPaperSize);
-	printer.setPageMargins(_exportMargins.left(), _exportMargins.top(),
-	  _exportMargins.right(), _exportMargins.bottom(), QPrinter::Millimeter);
-	ExportDialog dialog(&printer, this);
+	ExportDialog dialog(&_export, this);
+	if (dialog.exec() != QDialog::Accepted)
+		return;
 
-	if (dialog.exec() == QDialog::Accepted) {
-		_exportFileName = printer.outputFileName();
-		_exportPaperSize = printer.paperSize();
-		_exportOrientation = printer.orientation();
-		printer.getPageMargins(&(_exportMargins.rleft()),
-		  &(_exportMargins.rtop()), &(_exportMargins.rright()),
-		  &(_exportMargins.rbottom()), QPrinter::Millimeter);
-		plot(&printer);
-	}
+	QPrinter printer(QPrinter::HighResolution);
+	printer.setOutputFormat(QPrinter::PdfFormat);
+	printer.setCreator(QString(APP_NAME) + QString(" ")
+	  + QString(APP_VERSION));
+	printer.setOrientation(_export.orientation);
+	printer.setOutputFileName(_export.fileName);
+	printer.setPaperSize(_export.paperSize);
+	printer.setPageMargins(_export.margins.left(), _export.margins.top(),
+	  _export.margins.right(), _export.margins.bottom(), QPrinter::Millimeter);
+
+	plot(&printer);
 }
 
 void GUI::plot(QPrinter *printer)
@@ -1109,6 +1143,9 @@ void GUI::updatePathView()
 
 void GUI::setUnits(Units units)
 {
+	_export.units = units;
+	_options.units = units;
+
 	_pathView->setUnits(units);
 	for (int i = 0; i <_tabs.count(); i++)
 		_tabs.at(i)->setUnits(units);
@@ -1229,57 +1266,118 @@ void GUI::dropEvent(QDropEvent *event)
 void GUI::writeSettings()
 {
 	QSettings settings(APP_NAME, APP_NAME);
+	settings.clear();
 
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
-	settings.setValue(WINDOW_SIZE_SETTING, size());
-	settings.setValue(WINDOW_POS_SETTING, pos());
+	if (size() != WINDOW_SIZE_DEFAULT)
+		settings.setValue(WINDOW_SIZE_SETTING, size());
+	if (pos() != WINDOW_POS_DEFAULT)
+		settings.setValue(WINDOW_POS_SETTING, pos());
 	settings.endGroup();
 
 	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
-	settings.setValue(UNITS_SETTING, _imperialUnitsAction->isChecked()
+	if ((_imperialUnitsAction->isChecked() ? Imperial : Metric) !=
+	  UNITS_DEFAULT)
+		settings.setValue(UNITS_SETTING, _imperialUnitsAction->isChecked()
 	  ? Imperial : Metric);
-	settings.setValue(SHOW_TOOLBARS_SETTING, _showToolbarsAction->isChecked());
+	if (_showToolbarsAction->isChecked() != SHOW_TOOLBARS_DEFAULT)
+		settings.setValue(SHOW_TOOLBARS_SETTING,
+		  _showToolbarsAction->isChecked());
 	settings.endGroup();
 
 	settings.beginGroup(MAP_SETTINGS_GROUP);
 	if (_currentMap)
 		settings.setValue(CURRENT_MAP_SETTING, _currentMap->name());
-	settings.setValue(SHOW_MAP_SETTING, _showMapAction->isChecked());
+	if (_showMapAction->isChecked() != SHOW_MAP_DEFAULT)
+		settings.setValue(SHOW_MAP_SETTING, _showMapAction->isChecked());
 	settings.endGroup();
 
 	settings.beginGroup(GRAPH_SETTINGS_GROUP);
-	settings.setValue(SHOW_GRAPHS_SETTING, _showGraphsAction->isChecked());
-	settings.setValue(GRAPH_TYPE_SETTING, _timeGraphAction->isChecked()
-	  ? Time : Distance);
-	settings.setValue(SHOW_GRAPH_GRIDS_SETTING,
-	  _showGraphGridAction->isChecked());
+	if (_showGraphsAction->isChecked() != SHOW_GRAPHS_DEFAULT)
+		settings.setValue(SHOW_GRAPHS_SETTING, _showGraphsAction->isChecked());
+	if ((_timeGraphAction->isChecked() ? Time : Distance) != GRAPH_TYPE_DEFAULT)
+		settings.setValue(GRAPH_TYPE_SETTING, _timeGraphAction->isChecked()
+		  ? Time : Distance);
+	if (_showGraphGridAction->isChecked() != SHOW_GRAPH_GRIDS_DEFAULT)
+		settings.setValue(SHOW_GRAPH_GRIDS_SETTING,
+		  _showGraphGridAction->isChecked());
 	settings.endGroup();
 
 	settings.beginGroup(POI_SETTINGS_GROUP);
-	settings.setValue(SHOW_POI_SETTING, _showPOIAction->isChecked());
-	settings.setValue(OVERLAP_POI_SETTING, _overlapPOIAction->isChecked());
+	if (_showPOIAction->isChecked() != SHOW_POI_DEFAULT)
+		settings.setValue(SHOW_POI_SETTING, _showPOIAction->isChecked());
+	if (_overlapPOIAction->isChecked() != OVERLAP_POI_DEFAULT)
+		settings.setValue(OVERLAP_POI_SETTING, _overlapPOIAction->isChecked());
 
-	settings.remove(DISABLED_POI_FILE_SETTINGS_PREFIX);
-	settings.beginWriteArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
-	for (int i = 0, j = 0; i < _poiFilesActions.count(); i++) {
+	int j = 0;
+	for (int i = 0; i < _poiFilesActions.count(); i++) {
 		if (!_poiFilesActions.at(i)->isChecked()) {
+			if (j == 0)
+				settings.beginWriteArray(DISABLED_POI_FILE_SETTINGS_PREFIX);
 			settings.setArrayIndex(j++);
 			settings.setValue(DISABLED_POI_FILE_SETTING, _poi->files().at(i));
 		}
 	}
-	settings.endArray();
+	if (j != 0)
+		settings.endArray();
 	settings.endGroup();
 
 	settings.beginGroup(DATA_SETTINGS_GROUP);
-	settings.setValue(SHOW_TRACKS_SETTING, _showTracksAction->isChecked());
-	settings.setValue(SHOW_ROUTES_SETTING, _showRoutesAction->isChecked());
-	settings.setValue(SHOW_WAYPOINTS_SETTING,
-	  _showWaypointsAction->isChecked());
-	settings.setValue(SHOW_WAYPOINT_LABELS_SETTING,
-	  _showWaypointLabelsAction->isChecked());
-	settings.setValue(SHOW_ROUTE_WAYPOINTS_SETTING,
-	  _showRouteWaypointsAction->isChecked());
+	if (_showTracksAction->isChecked() != SHOW_TRACKS_DEFAULT)
+		settings.setValue(SHOW_TRACKS_SETTING, _showTracksAction->isChecked());
+	if (_showRoutesAction->isChecked() != SHOW_ROUTES_DEFAULT)
+		settings.setValue(SHOW_ROUTES_SETTING, _showRoutesAction->isChecked());
+	if (_showWaypointsAction->isChecked() != SHOW_WAYPOINTS_DEFAULT)
+		settings.setValue(SHOW_WAYPOINTS_SETTING,
+		  _showWaypointsAction->isChecked());
+	if (_showWaypointLabelsAction->isChecked() != SHOW_WAYPOINT_LABELS_DEFAULT)
+		settings.setValue(SHOW_WAYPOINT_LABELS_SETTING,
+		  _showWaypointLabelsAction->isChecked());
+	if (_showRouteWaypointsAction->isChecked() != SHOW_ROUTE_WAYPOINTS_DEFAULT)
+		settings.setValue(SHOW_ROUTE_WAYPOINTS_SETTING,
+		  _showRouteWaypointsAction->isChecked());
+	settings.endGroup();
 
+	settings.beginGroup(EXPORT_SETTINGS_GROUP);
+	if (_export.orientation != PAPER_ORIENTATION_DEFAULT)
+		settings.setValue(PAPER_ORIENTATION_SETTING, _export.orientation);
+	if (_export.paperSize != PAPER_SIZE_DEFAULT)
+		settings.setValue(PAPER_SIZE_SETTING, _export.paperSize);
+	if (_export.margins.left() != MARGIN_LEFT_DEFAULT)
+		settings.setValue(MARGIN_LEFT_SETTING, _export.margins.left());
+	if (_export.margins.top() != MARGIN_TOP_DEFAULT)
+		settings.setValue(MARGIN_TOP_SETTING, _export.margins.top());
+	if (_export.margins.right() != MARGIN_RIGHT_DEFAULT)
+		settings.setValue(MARGIN_RIGHT_SETTING, _export.margins.right());
+	if (_export.margins.bottom() != MARGIN_BOTTOM_DEFAULT)
+		settings.setValue(MARGIN_BOTTOM_SETTING, _export.margins.bottom());
+	if (_export.fileName != EXPORT_FILENAME_DEFAULT)
+		settings.setValue(EXPORT_FILENAME_SETTING, _export.fileName);
+	settings.endGroup();
+
+	settings.beginGroup(OPTIONS_SETTINGS_GROUP);
+	if (_options.palette.color() != PALETTE_COLOR_DEFAULT)
+		settings.setValue(PALETTE_COLOR_SETTING, _options.palette.color());
+	if (_options.palette.shift() != PALETTE_SHIFT_DEFAULT)
+		settings.setValue(PALETTE_SHIFT_SETTING, _options.palette.shift());
+	if (_options.trackWidth != TRACK_WIDTH_DEFAULT)
+		settings.setValue(TRACK_WIDTH_SETTING, _options.trackWidth);
+	if (_options.routeWidth != ROUTE_WIDTH_DEFAULT)
+		settings.setValue(ROUTE_WIDTH_SETTING, _options.routeWidth);
+	if (_options.trackStyle != TRACK_STYLE_DEFAULT)
+		settings.setValue(TRACK_STYLE_SETTING, (int)_options.trackStyle);
+	if (_options.routeStyle != ROUTE_STYLE_DEFAULT)
+		settings.setValue(ROUTE_STYLE_SETTING, (int)_options.routeStyle);
+	if (_options.graphWidth != GRAPH_WIDTH_DEFAULT)
+		settings.setValue(GRAPH_WIDTH_SETTING, _options.graphWidth);
+	if (_options.pathAntiAliasing != PATH_AA_DEFAULT)
+		settings.setValue(PATH_AA_SETTING, _options.pathAntiAliasing);
+	if (_options.graphAntiAliasing != GRAPH_AA_DEFAULT)
+		settings.setValue(GRAPH_AA_SETTING, _options.graphAntiAliasing);
+	if (_options.poiRadius != POI_RADIUS_DEFAULT)
+		settings.setValue(POI_RADIUS_SETTING, _options.poiRadius);
+	if (_options.useOpenGL != USE_OPENGL_DEFAULT)
+		settings.setValue(USE_OPENGL_SETTING, _options.useOpenGL);
 	settings.endGroup();
 }
 
@@ -1288,26 +1386,26 @@ void GUI::readSettings()
 	QSettings settings(APP_NAME, APP_NAME);
 
 	settings.beginGroup(WINDOW_SETTINGS_GROUP);
-	resize(settings.value(WINDOW_SIZE_SETTING, QSize(600, 800)).toSize());
-	move(settings.value(WINDOW_POS_SETTING, QPoint(10, 10)).toPoint());
+	resize(settings.value(WINDOW_SIZE_SETTING, WINDOW_SIZE_DEFAULT).toSize());
+	move(settings.value(WINDOW_POS_SETTING, WINDOW_POS_DEFAULT).toPoint());
 	settings.endGroup();
 
 	settings.beginGroup(SETTINGS_SETTINGS_GROUP);
-	Units u = QLocale::system().measurementSystem() == QLocale::ImperialSystem
-	  ? Imperial : Metric;
-	if (settings.value(UNITS_SETTING, u).toInt() == Imperial) {
-		setImperialUnits();
+	if (settings.value(UNITS_SETTING, UNITS_DEFAULT).toInt() == Imperial) {
+		setUnits(Imperial);
 		_imperialUnitsAction->setChecked(true);
-	} else
+	} else {
+		setUnits(Metric);
 		_metricUnitsAction->setChecked(true);
-	if (settings.value(SHOW_TOOLBARS_SETTING, true).toBool() == false)
+	}
+	if (!settings.value(SHOW_TOOLBARS_SETTING, SHOW_TOOLBARS_DEFAULT).toBool())
 		showToolbars(false);
 	else
 		_showToolbarsAction->setChecked(true);
 	settings.endGroup();
 
 	settings.beginGroup(MAP_SETTINGS_GROUP);
-	if (settings.value(SHOW_MAP_SETTING, true).toBool() == true)
+	if (settings.value(SHOW_MAP_SETTING, SHOW_MAP_DEFAULT).toBool())
 		_showMapAction->setChecked(true);
 	if (_maps.count()) {
 		int index = mapIndex(settings.value(CURRENT_MAP_SETTING).toString());
@@ -1320,31 +1418,33 @@ void GUI::readSettings()
 	settings.endGroup();
 
 	settings.beginGroup(GRAPH_SETTINGS_GROUP);
-	if (settings.value(SHOW_GRAPHS_SETTING, true).toBool() == false)
+	if (!settings.value(SHOW_GRAPHS_SETTING, SHOW_GRAPHS_DEFAULT).toBool())
 		showGraphs(false);
 	else
 		_showGraphsAction->setChecked(true);
-	if (settings.value(GRAPH_TYPE_SETTING, Distance).toInt() == Time) {
+	if (settings.value(GRAPH_TYPE_SETTING, GRAPH_TYPE_DEFAULT).toInt()
+	  == Time) {
 		setTimeGraph();
 		_timeGraphAction->setChecked(true);
 	} else
 		_distanceGraphAction->setChecked(true);
-	if (settings.value(SHOW_GRAPH_GRIDS_SETTING, true).toBool() == false)
+	if (!settings.value(SHOW_GRAPH_GRIDS_SETTING, SHOW_GRAPH_GRIDS_DEFAULT)
+	  .toBool())
 		showGraphGrids(false);
 	else
 		_showGraphGridAction->setChecked(true);
 	settings.endGroup();
 
 	settings.beginGroup(POI_SETTINGS_GROUP);
-	if (settings.value(OVERLAP_POI_SETTING, true).toBool() == false)
+	if (!settings.value(OVERLAP_POI_SETTING, OVERLAP_POI_DEFAULT).toBool())
 		_pathView->setPOIOverlap(false);
 	else
 		_overlapPOIAction->setChecked(true);
-	if (settings.value(LABELS_POI_SETTING, true).toBool() == false)
+	if (!settings.value(LABELS_POI_SETTING, LABELS_POI_DEFAULT).toBool())
 		_pathView->showPOILabels(false);
 	else
 		_showPOILabelsAction->setChecked(true);
-	if (settings.value(SHOW_POI_SETTING, false).toBool() == true)
+	if (settings.value(SHOW_POI_SETTING, SHOW_POI_DEFAULT).toBool())
 		_showPOIAction->setChecked(true);
 	else
 		_pathView->showPOI(false);
@@ -1364,31 +1464,98 @@ void GUI::readSettings()
 	settings.endGroup();
 
 	settings.beginGroup(DATA_SETTINGS_GROUP);
-	if (settings.value(SHOW_TRACKS_SETTING, true).toBool() == false) {
+	if (!settings.value(SHOW_TRACKS_SETTING, SHOW_TRACKS_DEFAULT).toBool()) {
 		_pathView->showTracks(false);
 		for (int i = 0; i < _tabs.count(); i++)
 			_tabs.at(i)->showTracks(false);
 	} else
 		_showTracksAction->setChecked(true);
-	if (settings.value(SHOW_ROUTES_SETTING, true).toBool() == false) {
+	if (!settings.value(SHOW_ROUTES_SETTING, SHOW_ROUTES_DEFAULT).toBool()) {
 		_pathView->showRoutes(false);
 		for (int i = 0; i < _tabs.count(); i++)
 			_tabs.at(i)->showRoutes(false);
 	} else
 		_showRoutesAction->setChecked(true);
-	if (settings.value(SHOW_WAYPOINTS_SETTING, true).toBool() == false)
+	if (!settings.value(SHOW_WAYPOINTS_SETTING, SHOW_WAYPOINTS_DEFAULT)
+	  .toBool())
 		_pathView->showWaypoints(false);
 	else
 		_showWaypointsAction->setChecked(true);
-	if (settings.value(SHOW_WAYPOINT_LABELS_SETTING, true).toBool() == false)
+	if (!settings.value(SHOW_WAYPOINT_LABELS_SETTING,
+	  SHOW_WAYPOINT_LABELS_DEFAULT).toBool())
 		_pathView->showWaypointLabels(false);
 	else
 		_showWaypointLabelsAction->setChecked(true);
-	if (settings.value(SHOW_ROUTE_WAYPOINTS_SETTING, true).toBool() == false)
+	if (!settings.value(SHOW_ROUTE_WAYPOINTS_SETTING,
+	  SHOW_ROUTE_WAYPOINTS_SETTING).toBool())
 		_pathView->showRouteWaypoints(false);
 	else
 		_showRouteWaypointsAction->setChecked(true);
 	settings.endGroup();
+
+	settings.beginGroup(EXPORT_SETTINGS_GROUP);
+	_export.orientation = (QPrinter::Orientation) settings.value(
+	  PAPER_ORIENTATION_SETTING, PAPER_ORIENTATION_DEFAULT).toInt();
+	_export.paperSize = (QPrinter::PaperSize) settings.value(PAPER_SIZE_SETTING,
+	  PAPER_SIZE_DEFAULT).toInt();
+	qreal ml = settings.value(MARGIN_LEFT_SETTING, MARGIN_LEFT_DEFAULT)
+	  .toReal();
+	qreal mt = settings.value(MARGIN_TOP_SETTING, MARGIN_TOP_DEFAULT).toReal();
+	qreal mr = settings.value(MARGIN_RIGHT_SETTING, MARGIN_RIGHT_DEFAULT)
+	  .toReal();
+	qreal mb = settings.value(MARGIN_BOTTOM_SETTING, MARGIN_BOTTOM_DEFAULT)
+	  .toReal();
+	_export.margins = MarginsF(ml, mt, mr, mb);
+	_export.fileName = settings.value(EXPORT_FILENAME_SETTING,
+	 EXPORT_FILENAME_DEFAULT).toString();
+	settings.endGroup();
+
+	settings.beginGroup(OPTIONS_SETTINGS_GROUP);
+	QColor pc = settings.value(PALETTE_COLOR_SETTING, PALETTE_COLOR_DEFAULT)
+	  .value<QColor>();
+	qreal ps = settings.value(PALETTE_SHIFT_SETTING, PALETTE_SHIFT_DEFAULT)
+	  .toDouble();
+	_options.palette = Palette(pc, ps);
+	_options.trackWidth = settings.value(TRACK_WIDTH_SETTING,
+	  TRACK_WIDTH_DEFAULT).toInt();
+	_options.routeWidth = settings.value(ROUTE_WIDTH_SETTING,
+	  ROUTE_WIDTH_DEFAULT).toInt();
+	_options.trackStyle = (Qt::PenStyle) settings.value(TRACK_STYLE_SETTING,
+	  (int)TRACK_STYLE_DEFAULT).toInt();
+	_options.routeStyle = (Qt::PenStyle) settings.value(ROUTE_STYLE_SETTING,
+	  (int)ROUTE_STYLE_DEFAULT).toInt();
+	_options.pathAntiAliasing = settings.value(PATH_AA_SETTING, PATH_AA_DEFAULT)
+	  .toBool();
+	_options.graphWidth = settings.value(GRAPH_WIDTH_SETTING,
+	  GRAPH_WIDTH_DEFAULT).toInt();
+	_options.graphAntiAliasing = settings.value(GRAPH_AA_SETTING,
+	  GRAPH_AA_DEFAULT).toBool();
+	_options.poiRadius = settings.value(POI_RADIUS_SETTING, POI_RADIUS_DEFAULT)
+	  .toInt();
+	_options.useOpenGL = settings.value(USE_OPENGL_SETTING, USE_OPENGL_DEFAULT)
+	  .toBool();
+
+	_pathView->setPalette(_options.palette);
+	_pathView->setTrackWidth(_options.trackWidth);
+	_pathView->setRouteWidth(_options.routeWidth);
+	_pathView->setTrackStyle(_options.trackStyle);
+	_pathView->setRouteStyle(_options.routeStyle);
+	_pathView->setRenderHint(QPainter::Antialiasing, _options.pathAntiAliasing);
+	if (_options.useOpenGL)
+		_pathView->useOpenGL(true);
+
+	for (int i = 0; i < _tabs.count(); i++) {
+		_tabs.at(i)->setPalette(_options.palette);
+		_tabs.at(i)->setGraphWidth(_options.graphWidth);
+		_tabs.at(i)->setRenderHint(QPainter::Antialiasing,
+		  _options.graphAntiAliasing);
+		if (_options.useOpenGL)
+			_tabs.at(i)->useOpenGL(true);
+	}
+
+	_poi->setRadius(_options.poiRadius);
+
+	settings.endGroup();
 }
 
 int GUI::mapIndex(const QString &name)

src/gui.h

@@ -9,7 +9,8 @@
 #include "units.h"
 #include "graph.h"
 #include "poi.h"
-#include "margins.h"
+#include "exportdialog.h"
+#include "optionsdialog.h"
 
 class QMenu;
 class QToolBar;
@@ -55,6 +56,7 @@ private slots:
 	void clearMapCache();
 	void nextMap();
 	void prevMap();
+	void openOptions();
 
 	void mapChanged(int);
 	void graphChanged(int);
@@ -159,6 +161,7 @@ private:
 	QAction *_showWaypointsAction;
 	QAction *_showWaypointLabelsAction;
 	QAction *_showRouteWaypointsAction;
+	QAction *_openOptionsAction;
 	QList<QAction*> _mapActions;
 	QList<QAction*> _poiFilesActions;
 
@@ -192,10 +195,8 @@ private:
 	int _frameStyle;
 	bool _showGraphs;
 
-	QString _exportFileName;
-	QPrinter::PaperSize _exportPaperSize;
-	QPrinter::Orientation _exportOrientation;
-	MarginsF _exportMargins;
+	Export _export;
+	Options _options;
 };
 
 #endif // GUI_H

src/icons.h

@@ -1,7 +1,9 @@
 #ifndef ICONS_H
 #define ICONS_H
 
-#define APP_ICON         ":/icons/gpxsee.png"
+#define APP_ICON          ":/icons/gpxsee.png"
+
+// Toolbar/menu icons
 #define OPEN_FILE_ICON   ":/icons/document-open.png"
 #define EXPORT_FILE_ICON ":/icons/document-export.png"
 #define PRINT_FILE_ICON  ":/icons/document-print.png"
@@ -17,4 +19,9 @@
 #define FIRST_FILE_ICON  ":/icons/arrow-left-double.png"
 #define FULLSCREEN_ICON  ":/icons/view-fullscreen.png"
 
+// Options dialog icons
+#define APPEARANCE_ICON  ":/icons/preferences-desktop-display.png"
+#define POI_ICON         ":/icons/flag_48.png"
+#define SYSTEM_ICON      ":/icons/system-run.png"
+
 #endif /* ICONS_H */

src/igcparser.cpp

@@ -110,7 +110,8 @@ bool IGCParser::readHRecord(const char *line, int len)
 		return false;
 	}
 
-	_date = QDate(2000 + y, m, d);
+	_date = QDate(y + 2000 < QDate::currentDate().year() ? 2000 + y : 1900 + y,
+	  m, d);
 	if (!_date.isValid()) {
 		_errorString = "Invalid date";
 		return false;

src/infoitem.cpp

@@ -7,7 +7,9 @@
 
 InfoItem::InfoItem(QGraphicsItem *parent) : QGraphicsItem(parent)
 {
-
+#ifndef Q_OS_MAC
+	setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+#endif // Q_OS_MAC
 }
 
 void InfoItem::updateBoundingRect()

src/nmeaparser.cpp

@@ -7,10 +7,10 @@ static bool validSentence(const char  *line, int len)
 {
 	const char *lp;
 
-	if (len < 10 || line[0] != '$')
+	if (len < 12 || line[0] != '$')
 		return false;
 
-	for (lp = line + len - 1; lp > line; lp--)
+	for (lp = line + len - 1; lp > line + 3; lp--)
 		if (!::isspace(*lp))
 			break;
 	if (*(lp-2) != '*' || !::isalnum(*(lp-1)) || !::isalnum(*(lp)))

src/optionsdialog.cpp

@@ -0,0 +1,238 @@
+#include <QVBoxLayout>
+#include <QFormLayout>
+#include <QDialogButtonBox>
+#include <QListWidget>
+#include <QListWidgetItem>
+#include <QStackedWidget>
+#include <QTabWidget>
+#include <QSpinBox>
+#include <QGroupBox>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QSysInfo>
+#include "config.h"
+#include "icons.h"
+#include "colorbox.h"
+#include "stylecombobox.h"
+#include "optionsdialog.h"
+
+#define MENU_MARGIN 20
+#define MENU_ICON_SIZE 32
+
+
+QWidget *OptionsDialog::createAppearancePage()
+{
+	_baseColor = new ColorBox();
+	_baseColor->setColor(_options->palette.color());
+	_colorOffset = new QDoubleSpinBox();
+	_colorOffset->setMinimum(0);
+	_colorOffset->setMaximum(1.0);
+	_colorOffset->setSingleStep(0.01);
+	_colorOffset->setValue(_options->palette.shift());
+
+	QFormLayout *paletteLayout = new QFormLayout();
+	paletteLayout->addRow(tr("Base color:"), _baseColor);
+	paletteLayout->addRow(tr("Palette shift:"), _colorOffset);
+
+	QWidget *colorTab = new QWidget();
+	colorTab->setLayout(paletteLayout);
+
+
+	_trackWidth = new QSpinBox();
+	_trackWidth->setValue(_options->trackWidth);
+	_trackWidth->setMinimum(1);
+	_trackStyle = new StyleComboBox();
+	_trackStyle->setValue(_options->trackStyle);
+	QFormLayout *trackLayout = new QFormLayout();
+	trackLayout->addRow(tr("Track width:"), _trackWidth);
+	trackLayout->addRow(tr("Track style:"), _trackStyle);
+#ifndef Q_OS_MAC
+	QGroupBox *trackBox = new QGroupBox(tr("Tracks"));
+	trackBox->setLayout(trackLayout);
+#endif
+
+	_routeWidth = new QSpinBox();
+	_routeWidth->setValue(_options->routeWidth);
+	_routeWidth->setMinimum(1);
+	_routeStyle = new StyleComboBox();
+	_routeStyle->setValue(_options->routeStyle);
+	QFormLayout *routeLayout = new QFormLayout();
+	routeLayout->addRow(tr("Route width:"), _routeWidth);
+	routeLayout->addRow(tr("Route style:"), _routeStyle);
+#ifndef Q_OS_MAC
+	QGroupBox *routeBox = new QGroupBox(tr("Routes"));
+	routeBox->setLayout(routeLayout);
+#endif // Q_OS_MAC
+
+	_pathAA = new QCheckBox(tr("Use anti-aliasing"));
+	_pathAA->setChecked(_options->pathAntiAliasing);
+	QFormLayout *pathAALayout = new QFormLayout();
+	pathAALayout->addWidget(_pathAA);
+
+	QWidget *pathTab = new QWidget();
+	QVBoxLayout *pathTabLayout = new QVBoxLayout();
+#ifdef Q_OS_MAC
+	QFrame *l1 = new QFrame();
+	l1->setFrameShape(QFrame::HLine);
+	l1->setFrameShadow(QFrame::Sunken);
+	QFrame *l2 = new QFrame();
+	l2->setFrameShape(QFrame::HLine);
+	l2->setFrameShadow(QFrame::Sunken);
+
+	pathTabLayout->addLayout(trackLayout);
+	pathTabLayout->addWidget(l1);
+	pathTabLayout->addLayout(routeLayout);
+	pathTabLayout->addWidget(l2);
+#else
+	pathTabLayout->addWidget(trackBox);
+	pathTabLayout->addWidget(routeBox);
+#endif
+	pathTabLayout->addLayout(pathAALayout);
+	pathTab->setLayout(pathTabLayout);
+
+	_graphWidth = new QSpinBox();
+	_graphWidth->setValue(_options->graphWidth);
+	_graphWidth->setMinimum(1);
+	QFormLayout *graphLayout = new QFormLayout();
+	graphLayout->addRow(tr("Line width:"), _graphWidth);
+
+	_graphAA = new QCheckBox(tr("Use anti-aliasing"));
+	_graphAA->setChecked(_options->graphAntiAliasing);
+	QFormLayout *graphAALayout = new QFormLayout();
+	graphAALayout->addWidget(_graphAA);
+
+
+	QWidget *graphTab = new QWidget();
+	QVBoxLayout *graphTabLayout = new QVBoxLayout();
+	graphTabLayout->addLayout(graphLayout);
+	graphTabLayout->addLayout(graphAALayout);
+	graphTabLayout->addStretch();
+	graphTab->setLayout(graphTabLayout);
+
+	QTabWidget *appearancePage = new QTabWidget();
+	appearancePage->addTab(colorTab, tr("Colors"));
+	appearancePage->addTab(pathTab, tr("Paths"));
+	appearancePage->addTab(graphTab, tr("Graphs"));
+
+	return appearancePage;
+}
+
+QWidget *OptionsDialog::createPOIPage()
+{
+	_poiRadius = new QDoubleSpinBox();
+	_poiRadius->setSingleStep(1);
+	_poiRadius->setDecimals(1);
+	if (_options->units == Imperial) {
+		_poiRadius->setValue(_options->poiRadius / MIINM);
+		_poiRadius->setSuffix(UNIT_SPACE + tr("mi"));
+	} else {
+		_poiRadius->setValue(_options->poiRadius / KMINM);
+		_poiRadius->setSuffix(UNIT_SPACE + tr("km"));
+	}
+
+	QFormLayout *poiLayout = new QFormLayout();
+	poiLayout->addRow(tr("POI radius:"), _poiRadius);
+
+	QWidget *poiTab = new QWidget();
+	poiTab->setLayout(poiLayout);
+
+	QTabWidget *poiPage = new QTabWidget();
+	poiPage->addTab(poiTab, tr("POI"));
+
+	return poiPage;
+}
+
+QWidget *OptionsDialog::createSystemPage()
+{
+	_useOpenGL = new QCheckBox(tr("Use OpenGL"));
+#if defined(Q_OS_WIN32) || defined(Q_OS_MAC)
+#ifdef Q_OS_WIN32
+	if (QSysInfo::WindowsVersion < QSysInfo::WV_VISTA) {
+#endif // Q_OS_WIN32
+		_useOpenGL->setChecked(false);
+		_useOpenGL->setEnabled(false);
+#ifdef Q_OS_WIN32
+	} else
+#endif // Q_OS_WIN32
+#endif // Q_OS_WIN32 || Q_OS_MAC
+	_useOpenGL->setChecked(_options->useOpenGL);
+
+	QFormLayout *systemLayout = new QFormLayout();
+	systemLayout->addWidget(_useOpenGL);
+
+	QWidget *systemTab = new QWidget();
+	systemTab->setLayout(systemLayout);
+
+	QTabWidget *systemPage = new QTabWidget();
+	systemPage->addTab(systemTab, tr("System"));
+
+	return systemPage;
+}
+
+OptionsDialog::OptionsDialog(Options *options, QWidget *parent)
+  : QDialog(parent), _options(options)
+{
+	QStackedWidget *pages = new QStackedWidget();
+	pages->addWidget(createAppearancePage());
+	pages->addWidget(createPOIPage());
+	pages->addWidget(createSystemPage());
+
+	QListWidget *menu = new QListWidget();
+	menu->setIconSize(QSize(MENU_ICON_SIZE, MENU_ICON_SIZE));
+	new QListWidgetItem(QIcon(QPixmap(APPEARANCE_ICON)), tr("Appearance"),
+	  menu);
+	new QListWidgetItem(QIcon(QPixmap(POI_ICON)), tr("POI"), menu);
+	new QListWidgetItem(QIcon(QPixmap(SYSTEM_ICON)), tr("System"), menu);
+
+	QHBoxLayout *contentLayout = new QHBoxLayout();
+	contentLayout->addWidget(menu);
+	contentLayout->addWidget(pages);
+
+	menu->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
+	menu->setMaximumWidth(menu->sizeHintForColumn(0) + 2 * menu->frameWidth()
+	  + MENU_MARGIN);
+	pages->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
+	pages->setMinimumWidth(2 * menu->size().width());
+
+	connect(menu, SIGNAL(currentRowChanged(int)), pages,
+	  SLOT(setCurrentIndex(int)));
+	menu->item(0)->setSelected(true);
+
+
+	QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
+	  | QDialogButtonBox::Cancel);
+	connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+	connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+
+	QVBoxLayout *layout = new QVBoxLayout;
+	layout->addLayout(contentLayout);
+	layout->addWidget(buttonBox);
+	setLayout(layout);
+
+	setWindowTitle(tr("Options"));
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+}
+
+void OptionsDialog::accept()
+{
+	_options->palette.setColor(_baseColor->color());
+	_options->palette.setShift(_colorOffset->value());
+	_options->trackWidth = _trackWidth->value();
+	_options->trackStyle = (Qt::PenStyle) _trackStyle->itemData(
+	  _trackStyle->currentIndex()).toInt();
+	_options->routeWidth = _routeWidth->value();
+	_options->routeStyle = (Qt::PenStyle) _routeStyle->itemData(
+	  _routeStyle->currentIndex()).toInt();
+	_options->pathAntiAliasing = _pathAA->isChecked();
+	_options->graphWidth = _graphWidth->value();
+	_options->graphAntiAliasing = _graphAA->isChecked();
+
+	if (_options->units == Imperial)
+		_options->poiRadius = _poiRadius->value() * MIINM;
+	else
+		_options->poiRadius = _poiRadius->value() * KMINM;
+
+	_options->useOpenGL = _useOpenGL->isChecked();
+
+	QDialog::accept();
+}

src/optionsdialog.h

@@ -0,0 +1,63 @@
+#ifndef OPTIONSDIALOG_H
+#define OPTIONSDIALOG_H
+
+#include <QDialog>
+#include "palette.h"
+#include "units.h"
+
+class ColorBox;
+class StyleComboBox;
+class QSpinBox;
+class QDoubleSpinBox;
+class QComboBox;
+class QCheckBox;
+
+struct Options {
+	// Appearance
+	Palette palette;
+	int trackWidth;
+	int routeWidth;
+	Qt::PenStyle trackStyle;
+	Qt::PenStyle routeStyle;
+	int graphWidth;
+	bool pathAntiAliasing;
+	bool graphAntiAliasing;
+	// POI
+	int poiRadius;
+	// System
+	bool useOpenGL;
+
+	Units units;
+};
+
+class OptionsDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	OptionsDialog(Options *options, QWidget *parent = 0);
+
+public slots:
+	void accept();
+
+private:
+	QWidget *createAppearancePage();
+	QWidget *createPOIPage();
+	QWidget *createSystemPage();
+
+	Options *_options;
+
+	ColorBox *_baseColor;
+	QDoubleSpinBox *_colorOffset;
+	QSpinBox *_trackWidth;
+	StyleComboBox *_trackStyle;
+	QSpinBox *_routeWidth;
+	StyleComboBox *_routeStyle;
+	QCheckBox *_pathAA;
+	QSpinBox *_graphWidth;
+	QCheckBox *_graphAA;
+	QDoubleSpinBox *_poiRadius;
+	QCheckBox *_useOpenGL;
+};
+
+#endif // OPTIONSDIALOG_H

src/palette.cpp

@@ -1,62 +1,46 @@
 #include "palette.h"
 
-
-#define HUE_INIT		0.1f
-#define HUE_INCREMENT	0.62f
-#define SATURATION		0.99f
-#define VALUE			0.99f
-
-static unsigned hsv2rgb(float h, float s, float v)
+Palette::Palette(const QColor &color, qreal shift)
 {
-	unsigned hi;
-	float r = 0, g = 0, b = 0, p, q, t, f;
+	_h = 0; _s = 0; _v = 0; _a = 1.0;
 
-	hi = (unsigned)(h * 6.0f);
-	f = h * 6.0f - hi;
-	p = v * (1.0f - s);
-	q = v * (1.0f - f * s);
-	t = v * (1.0f - (1.0f - f) * s);
+	setColor(color);
+	setShift(shift);
 
-	switch (hi) {
-		case 0:
-			r = v; g = t; b = p;
-			break;
-		case 1:
-			r = q; g = v; b = p;
-			break;
-		case 2:
-			r = p; g = v; b = t;
-			break;
-		case 3:
-			r = p; g = q; b = v;
-			break;
-		case 4:
-			r = t; g = p; b = v;
-			break;
-		case 5:
-			r = v; g = p; b = q;
-			break;
-	}
-
-	return ((unsigned)(r * 256) << 16)
-	  + ((unsigned)(g * 256) << 8)
-	  + (unsigned)(b * 256);
+	_state = _h;
 }
 
-Palette::Palette()
+void Palette::setColor(const QColor &color)
 {
-	_hueState = HUE_INIT;
+	if (color.isValid())
+		color.getHsvF(&_h, &_s, &_v, &_a);
 }
 
-QColor Palette::color()
+void Palette::setShift(qreal shift)
 {
-	_hueState += HUE_INCREMENT;
-	_hueState -= (int) _hueState;
+	if (shift >= 0 && shift <= 1.0)
+		_shift = shift;
+}
 
-	return QColor(hsv2rgb(_hueState, SATURATION, VALUE));
+QColor Palette::nextColor()
+{
+	QColor ret = QColor::fromHsvF(_state, _s, _v, _a);
+
+	_state += _shift;
+	_state -= (int) _state;
+
+	return ret;
 }
 
 void Palette::reset()
 {
-	_hueState = HUE_INIT;
+	_state = _h;
+}
+
+QDebug operator<<(QDebug dbg, const Palette &palette)
+{
+	dbg.nospace() << "Palette(" << palette.color() << ", " << palette.shift()
+	  << ")";
+
+	return dbg.maybeSpace();
 }

src/palette.h

@@ -2,16 +2,32 @@
 #define PALETTE_H
 
 #include <QColor>
+#include <QDebug>
 
 class Palette
 {
 public:
-	Palette();
-	QColor color();
+	Palette(const QColor &color = Qt::blue, qreal shift = 0.62);
+
+	QColor color() const {return QColor::fromHsvF(_h, _s, _v, _a).toRgb();}
+	qreal shift() const {return _shift;}
+	void setColor(const QColor &color);
+	void setShift(qreal shift);
+
+	QColor nextColor();
 	void reset();
 
+	bool operator==(const Palette &other) const
+	  {return (_h == other._h && _s == other._s && _v == other._v
+	  && _a == other._a && _shift == other._shift);}
+	bool operator!=(const Palette &other) const
+	  {return !(*this == other);}
+
 private:
-	float _hueState;
+	qreal _h, _s, _v, _a, _shift;
+	qreal _state;
 };
 
+QDebug operator<<(QDebug dbg, const Palette &palette);
+
 #endif // PALLETE_H

src/pathitem.cpp

@@ -6,25 +6,19 @@
 #include "pathitem.h"
 
 
-#define PATH_WIDTH  3
-#define HOVER_WIDTH 4
-
 void PathItem::updateShape()
 {
 	QPainterPathStroker s;
-	s.setWidth(HOVER_WIDTH * 1.0/scale());
+	s.setWidth((_width + 1) * 1.0/scale());
 	_shape = s.createStroke(_path);
-
-	if (qMax(boundingRect().width(), boundingRect().height()) * scale() <= 768)
-		setCacheMode(QGraphicsItem::DeviceCoordinateCache);
-	else
-		setCacheMode(QGraphicsItem::NoCache);
 }
 
 PathItem::PathItem(QGraphicsItem *parent) : QGraphicsObject(parent)
 {
+	_width = 3;
+
 	QBrush brush(Qt::SolidPattern);
-	_pen = QPen(brush, PATH_WIDTH);
+	_pen = QPen(brush, _width);
 
 	_units = Metric;
 
@@ -54,7 +48,7 @@ void PathItem::setScale(qreal scale)
 {
 	prepareGeometryChange();
 
-	_pen.setWidthF(PATH_WIDTH * 1.0/scale);
+	_pen.setWidthF(_width * 1.0/scale);
 	QGraphicsItem::setScale(scale);
 	_marker->setScale(1.0/scale);
 
@@ -67,6 +61,22 @@ void PathItem::setColor(const QColor &color)
 	update();
 }
 
+void PathItem::setWidth(int width)
+{
+	prepareGeometryChange();
+
+	_width = width;
+	_pen.setWidthF(_width * 1.0/scale());
+
+	updateShape();
+}
+
+void PathItem::setStyle(Qt::PenStyle style)
+{
+	_pen.setStyle(style);
+	update();
+}
+
 void PathItem::setUnits(enum Units units)
 {
 	_units = units;
@@ -120,7 +130,7 @@ void PathItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
 	Q_UNUSED(event);
 
-	_pen.setWidthF(HOVER_WIDTH * 1.0/scale());
+	_pen.setWidthF((_width + 1) * 1.0/scale());
 	setZValue(zValue() + 1.0);
 	update();
 
@@ -131,7 +141,7 @@ void PathItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 {
 	Q_UNUSED(event);
 
-	_pen.setWidthF(PATH_WIDTH * 1.0/scale());
+	_pen.setWidthF(_width * 1.0/scale());
 	setZValue(zValue() - 1.0);
 	update();
 

src/pathitem.h

@@ -24,6 +24,8 @@ public:
 	void setScale(qreal scale);
 	void setUnits(enum Units units);
 	void setColor(const QColor &color);
+	void setWidth(int width);
+	void setStyle(Qt::PenStyle style);
 
 public slots:
 	void moveMarker(qreal distance);
@@ -36,11 +38,7 @@ protected:
 
 	QVector<qreal> _distance;
 	QPainterPath _path;
-	QPainterPath _shape;
-	QPen _pen;
-
 	MarkerItem *_marker;
-
 	Units _units;
 
 private:
@@ -48,6 +46,10 @@ private:
 
 	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
 	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+
+	int _width;
+	QPen _pen;
+	QPainterPath _shape;
 };
 
 #endif // PATHITEM_H

src/pathview.cpp

@@ -1,6 +1,12 @@
 #include <QGraphicsView>
 #include <QGraphicsScene>
 #include <QWheelEvent>
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+#include <QGLWidget>
+#else // QT 5
+#include <QOpenGLWidget>
+#endif // QT 5
+#include <QSysInfo>
 #include "rd.h"
 #include "poi.h"
 #include "data.h"
@@ -90,7 +96,7 @@ PathView::PathView(QWidget *parent)
 	setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
 	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 	setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-	setRenderHints(QPainter::Antialiasing);
+	setRenderHint(QPainter::Antialiasing, true);
 	setAcceptDrops(false);
 
 	_mapScale = new ScaleItem();
@@ -110,6 +116,10 @@ PathView::PathView(QWidget *parent)
 	_showPOILabels = true;
 	_overlapPOIs = true;
 	_showRouteWaypoints = true;
+	_trackWidth = 3;
+	_routeWidth = 3;
+	_trackStyle = Qt::SolidLine;
+	_routeStyle = Qt::DashLine;
 
 	_plot = false;
 }
@@ -123,7 +133,7 @@ PathView::~PathView()
 PathItem *PathView::addTrack(const Track &track)
 {
 	if (track.isNull()) {
-		_palette.color();
+		_palette.nextColor();
 		return 0;
 	}
 
@@ -132,7 +142,9 @@ PathItem *PathView::addTrack(const Track &track)
 	_tr |= ti->path().boundingRect();
 	_zoom = scale2zoom(contentsScale());
 	ti->setScale(1.0/mapScale(_zoom));
-	ti->setColor(_palette.color());
+	ti->setColor(_palette.nextColor());
+	ti->setWidth(_trackWidth);
+	ti->setStyle(_trackStyle);
 	ti->setVisible(_showTracks);
 	_scene->addItem(ti);
 
@@ -145,7 +157,7 @@ PathItem *PathView::addTrack(const Track &track)
 PathItem *PathView::addRoute(const Route &route)
 {
 	if (route.isNull()) {
-		_palette.color();
+		_palette.nextColor();
 		return 0;
 	}
 
@@ -154,7 +166,9 @@ PathItem *PathView::addRoute(const Route &route)
 	_rr |= ri->path().boundingRect();
 	_zoom = scale2zoom(contentsScale());
 	ri->setScale(1.0/mapScale(_zoom));
-	ri->setColor(_palette.color());
+	ri->setColor(_palette.nextColor());
+	ri->setWidth(_routeWidth);
+	ri->setStyle(_routeStyle);
 	ri->setVisible(_showRoutes);
 	ri->showWaypoints(_showRouteWaypoints);
 	ri->showWaypointLabels(_showWaypointLabels);
@@ -297,6 +311,17 @@ void PathView::rescale(int zoom)
 	updatePOIVisibility();
 }
 
+void PathView::setPalette(const Palette &palette)
+{
+	_palette = palette;
+	_palette.reset();
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks.at(i)->setColor(_palette.nextColor());
+	for (int i = 0; i < _routes.count(); i++)
+		_routes.at(i)->setColor(_palette.nextColor());
+}
+
 void PathView::setPOI(POI *poi)
 {
 	if (_poi)
@@ -585,6 +610,38 @@ void PathView::setPOIOverlap(bool overlap)
 	updatePOIVisibility();
 }
 
+void PathView::setTrackWidth(int width)
+{
+	_trackWidth = width;
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks.at(i)->setWidth(width);
+}
+
+void PathView::setRouteWidth(int width)
+{
+	_routeWidth = width;
+
+	for (int i = 0; i < _routes.count(); i++)
+		_routes.at(i)->setWidth(width);
+}
+
+void PathView::setTrackStyle(Qt::PenStyle style)
+{
+	_trackStyle = style;
+
+	for (int i = 0; i < _tracks.count(); i++)
+		_tracks.at(i)->setStyle(style);
+}
+
+void PathView::setRouteStyle(Qt::PenStyle style)
+{
+	_routeStyle = style;
+
+	for (int i = 0; i < _routes.count(); i++)
+		_routes.at(i)->setStyle(style);
+}
+
 void PathView::drawBackground(QPainter *painter, const QRectF &rect)
 {
 	if ((_tracks.isEmpty() && _routes.isEmpty() && _waypoints.isEmpty())
@@ -652,3 +709,18 @@ void PathView::paintEvent(QPaintEvent *event)
 
 	QGraphicsView::paintEvent(event);
 }
+
+void PathView::useOpenGL(bool use)
+{
+	if (use) {
+#ifdef Q_OS_WIN32
+		if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
+#endif // Q_OS_WIN32
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
+		setViewport(new QGLWidget);
+#else // QT 5
+		setViewport(new QOpenGLWidget);
+#endif // QT 5
+	} else
+		setViewport(new QWidget);
+}

src/pathview.h

@@ -30,6 +30,7 @@ public:
 
 	QList<PathItem*> loadData(const Data &data);
 
+	void setPalette(const Palette &palette);
 	void setPOI(POI *poi);
 	void setMap(Map *map);
 	void setUnits(enum Units units);
@@ -42,6 +43,8 @@ public:
 
 	void clear();
 
+	void useOpenGL(bool use);
+
 public slots:
 	void redraw();
 
@@ -53,6 +56,10 @@ public slots:
 	void showRoutes(bool show);
 	void showWaypoints(bool show);
 	void showRouteWaypoints(bool show);
+	void setTrackWidth(int width);
+	void setRouteWidth(int width);
+	void setTrackStyle(Qt::PenStyle style);
+	void setRouteStyle(Qt::PenStyle style);
 
 private slots:
 	void updatePOI();
@@ -103,6 +110,10 @@ private:
 	bool _showPOILabels;
 	bool _overlapPOIs;
 	bool _showRouteWaypoints;
+	int _trackWidth;
+	int _routeWidth;
+	Qt::PenStyle _trackStyle;
+	Qt::PenStyle _routeStyle;
 
 	bool _plot;
 };

src/poi.cpp

@@ -10,7 +10,7 @@
 POI::POI(QObject *parent) : QObject(parent)
 {
 	_errorLine = 0;
-	_radius = 0.01;
+	_radius = 1000;
 }
 
 bool POI::loadFile(const QString &fileName)
@@ -66,11 +66,15 @@ QVector<Waypoint> POI::points(const PathItem *path) const
 	const QPainterPath &pp = path->path();
 
 	for (int i = 0; i < pp.elementCount(); i++) {
-		Coordinates p = Coordinates::fromMercator(pp.elementAt(i));
-		min[0] = p.lon() - _radius;
-		min[1] = -p.lat() - _radius;
-		max[0] = p.lon() + _radius;
-		max[1] = -p.lat() + _radius;
+		const QPainterPath::Element &pe = pp.elementAt(i);
+		Coordinates p = Coordinates::fromMercator(QPointF(pe.x, -pe.y));
+
+		QPair<Coordinates, Coordinates> br = p.boundingRect(_radius);
+		min[0] = br.first.lon();
+		min[1] = br.first.lat();
+		max[0] = br.second.lon();
+		max[1] = br.second.lat();
+
 		_tree.Search(min, max, cb, &set);
 	}
 
@@ -92,10 +96,13 @@ QVector<Waypoint> POI::points(const QList<WaypointItem*> &list)
 
 	for (int i = 0; i < list.count(); i++) {
 		const Coordinates &p = list.at(i)->waypoint().coordinates();
-		min[0] = p.lon() - _radius;
-		min[1] = p.lat() - _radius;
-		max[0] = p.lon() + _radius;
-		max[1] = p.lat() + _radius;
+
+		QPair<Coordinates, Coordinates> br = p.boundingRect(_radius);
+		min[0] = br.first.lon();
+		min[1] = br.first.lat();
+		max[0] = br.second.lon();
+		max[1] = br.second.lat();
+
 		_tree.Search(min, max, cb, &set);
 	}
 
@@ -116,10 +123,13 @@ QVector<Waypoint> POI::points(const QList<Waypoint> &list) const
 
 	for (int i = 0; i < list.count(); i++) {
 		const Coordinates &p = list.at(i).coordinates();
-		min[0] = p.lon() - _radius;
-		min[1] = p.lat() - _radius;
-		max[0] = p.lon() + _radius;
-		max[1] = p.lat() + _radius;
+
+		QPair<Coordinates, Coordinates> br = p.boundingRect(_radius);
+		min[0] = br.first.lon();
+		min[1] = br.first.lat();
+		max[0] = br.second.lon();
+		max[1] = br.second.lat();
+
 		_tree.Search(min, max, cb, &set);
 	}
 
@@ -168,7 +178,7 @@ void POI::clear()
 	emit pointsChanged();
 }
 
-void POI::setRadius(qreal radius)
+void POI::setRadius(unsigned radius)
 {
 	_radius = radius;
 

src/poi.h

@@ -22,8 +22,8 @@ public:
 	const QString &errorString() const {return _errorString;}
 	int errorLine() const {return _errorLine;}
 
-	qreal radius() const {return _radius;}
-	void setRadius(qreal radius);
+	unsigned radius() const {return _radius;}
+	void setRadius(unsigned radius);
 
 	QVector<Waypoint> points(const PathItem *path) const;
 	QVector<Waypoint> points(const QList<WaypointItem*> &list) const;
@@ -49,7 +49,7 @@ private:
 	QStringList _files;
 	QList<FileIndex> _indexes;
 
-	qreal _radius;
+	unsigned _radius;
 
 	QString _errorString;
 	int _errorLine;

src/routeitem.cpp

@@ -52,8 +52,6 @@ RouteItem::RouteItem(const Route &route, QGraphicsItem *parent)
 
 	_marker->setPos(_path.elementAt(0));
 
-	_pen.setStyle(Qt::DotLine);
-
 	setToolTip(toolTip());
 }
 

src/settings.h

@@ -1,35 +1,96 @@
 #ifndef SETTINGS_H
 #define SETTINGS_H
 
+#define IMPERIAL_UNITS() \
+	(QLocale::system().measurementSystem() == QLocale::ImperialSystem)
+
 #define WINDOW_SETTINGS_GROUP             "Window"
 #define WINDOW_SIZE_SETTING               "size"
+#define WINDOW_SIZE_DEFAULT               QSize(600, 800)
 #define WINDOW_POS_SETTING                "pos"
+#define WINDOW_POS_DEFAULT                QPoint(10, 10)
 
 #define SETTINGS_SETTINGS_GROUP           "Settings"
 #define UNITS_SETTING                     "units"
+#define UNITS_DEFAULT                     (IMPERIAL_UNITS() ? Imperial : Metric)
 #define SHOW_TOOLBARS_SETTING             "toolbar"
+#define SHOW_TOOLBARS_DEFAULT             true
 
 #define GRAPH_SETTINGS_GROUP              "Graph"
 #define SHOW_GRAPHS_SETTING               "show"
+#define SHOW_GRAPHS_DEFAULT               true
 #define GRAPH_TYPE_SETTING                "type"
+#define GRAPH_TYPE_DEFAULT                Distance
 #define SHOW_GRAPH_GRIDS_SETTING          "grid"
+#define SHOW_GRAPH_GRIDS_DEFAULT          true
 
 #define MAP_SETTINGS_GROUP                "Map"
 #define CURRENT_MAP_SETTING               "map"
 #define SHOW_MAP_SETTING                  "show"
+#define SHOW_MAP_DEFAULT                  true
 
 #define POI_SETTINGS_GROUP                "POI"
 #define OVERLAP_POI_SETTING               "overlap"
+#define OVERLAP_POI_DEFAULT               false
 #define LABELS_POI_SETTING                "labels"
+#define LABELS_POI_DEFAULT                true
 #define SHOW_POI_SETTING                  "show"
+#define SHOW_POI_DEFAULT                  false
 #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_TRACKS_DEFAULT               true
 #define SHOW_ROUTES_SETTING               "routes"
+#define SHOW_ROUTES_DEFAULT               true
 #define SHOW_WAYPOINTS_SETTING            "waypoints"
+#define SHOW_WAYPOINTS_DEFAULT            true
 #define SHOW_ROUTE_WAYPOINTS_SETTING      "routeWaypoints"
+#define SHOW_ROUTE_WAYPOINTS_DEFAULT      true
 #define SHOW_WAYPOINT_LABELS_SETTING      "waypointLabels"
+#define SHOW_WAYPOINT_LABELS_DEFAULT      true
+
+#define EXPORT_SETTINGS_GROUP             "Export"
+#define PAPER_ORIENTATION_SETTING         "orientation"
+#define PAPER_ORIENTATION_DEFAULT         QPrinter::Portrait
+#define PAPER_SIZE_SETTING                "size"
+#define PAPER_SIZE_DEFAULT                (IMPERIAL_UNITS() ? QPrinter::Letter \
+                                            : QPrinter::A4)
+#define MARGIN_LEFT_SETTING               "marginLeft"
+#define MARGIN_LEFT_DEFAULT               5 /* mm */
+#define MARGIN_TOP_SETTING                "marginTop"
+#define MARGIN_TOP_DEFAULT                5 /* mm */
+#define MARGIN_RIGHT_SETTING              "marginRight"
+#define MARGIN_RIGHT_DEFAULT              5 /* mm */
+#define MARGIN_BOTTOM_SETTING             "marginBottom"
+#define MARGIN_BOTTOM_DEFAULT             5 /* mm */
+#define EXPORT_FILENAME_SETTING           "fileName"
+#define EXPORT_FILENAME_DEFAULT           QString("%1/export.pdf"). \
+                                            arg(QDir::currentPath())
+
+#define OPTIONS_SETTINGS_GROUP            "Options"
+#define PALETTE_COLOR_SETTING             "paletteColor"
+#define PALETTE_COLOR_DEFAULT             QColor(Qt::blue)
+#define PALETTE_SHIFT_SETTING             "paletteShift"
+#define PALETTE_SHIFT_DEFAULT             0.62
+#define TRACK_WIDTH_SETTING               "trackWidth"
+#define TRACK_WIDTH_DEFAULT               3
+#define ROUTE_WIDTH_SETTING               "routeWidth"
+#define ROUTE_WIDTH_DEFAULT               3
+#define TRACK_STYLE_SETTING               "trackStyle"
+#define TRACK_STYLE_DEFAULT               Qt::SolidLine
+#define ROUTE_STYLE_SETTING               "routeStyle"
+#define ROUTE_STYLE_DEFAULT               Qt::DotLine
+#define GRAPH_WIDTH_SETTING               "graphWidth"
+#define GRAPH_WIDTH_DEFAULT               1
+#define PATH_AA_SETTING                   "pathAntiAliasing"
+#define PATH_AA_DEFAULT                   true
+#define GRAPH_AA_SETTING                  "graphAntiAliasing"
+#define GRAPH_AA_DEFAULT                  false
+#define POI_RADIUS_SETTING                "poiRadius"
+#define POI_RADIUS_DEFAULT                (IMPERIAL_UNITS() ? MIINM : KMINM)
+#define USE_OPENGL_SETTING                "useOpenGL"
+#define USE_OPENGL_DEFAULT                false
 
 #endif // SETTINGS_H

src/sliderinfoitem.cpp

@@ -32,9 +32,11 @@ void SliderInfoItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
 	font.setPixelSize(FONT_SIZE);
 	font.setFamily(FONT_FAMILY);
 	QFontMetrics fm(font);
-	painter->setFont(font);
 
+	painter->setFont(font);
+	painter->setRenderHint(QPainter::Antialiasing, false);
 	painter->setPen(Qt::red);
+
 	if (_side == Right)
 		painter->drawText(SIZE, fm.height() - fm.descent(), _text);
 	else

src/stylecombobox.cpp

@@ -0,0 +1,44 @@
+#include <QPen>
+#include <QPainter>
+#include <QResizeEvent>
+#include "stylecombobox.h"
+
+
+#define MIN_LINE_LENGTH  60
+#define LINE_WIDTH_RATIO 7
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*a))
+
+StyleComboBox::StyleComboBox(QWidget *parent) : QComboBox(parent)
+{
+	Qt::PenStyle styles[] = {Qt::SolidLine, Qt::DashLine, Qt::DotLine,
+	  Qt::DashDotLine, Qt::DashDotDotLine};
+
+	QSize is = iconSize();
+	setIconSize(QSize(MIN_LINE_LENGTH, is.height()));
+	is = iconSize();
+
+	for (size_t i = 0; i < ARRAY_SIZE(styles); i++) {
+		QPixmap pm(is);
+		pm.fill(Qt::transparent);
+
+		QBrush brush(Qt::black);
+		QPen pen(brush, is.height() / LINE_WIDTH_RATIO, styles[i]);
+
+		QPainter painter(&pm);
+		painter.setPen(pen);
+		painter.drawLine(0, is.height() / 2, is.width(), is.height() / 2);
+
+		addItem(QIcon(pm), QString(), QVariant((int)styles[i]));
+	}
+}
+
+void StyleComboBox::setValue(Qt::PenStyle value)
+{
+	for (int i = 0; i < count(); i++) {
+		if ((Qt::PenStyle) itemData(i).toInt() == value) {
+			setCurrentIndex(i);
+			return;
+		}
+	}
+}

src/stylecombobox.h

@@ -0,0 +1,16 @@
+#ifndef STYLECOMBOBOX_H
+#define STYLECOMBOBOX_H
+
+#include <QComboBox>
+
+class StyleComboBox : public QComboBox
+{
+	Q_OBJECT
+
+public:
+	StyleComboBox(QWidget *parent = 0);
+
+	void setValue(Qt::PenStyle value);
+};
+
+#endif // STYLECOMBOBOX_H

src/units.h

@@ -16,14 +16,14 @@ enum Units {
 #define H2S     0.000277777778  // h -> s
 #define MIN2S   0.016666666667  // min -> s
 
-#define KMINM   1000     // 1 km in m
-#define MIINFT  5280     // 1 mi in ft
+#define KMINM   1000.0   // 1 km in m
+#define MIINFT  5280.0   // 1 mi in ft
 #define MIINM   1609.344 // 1 mi in m
-#define MININS  60       // 1 min in s
-#define HINS    3600     // 1 hins
+#define MININS  60.0     // 1 min in s
+#define HINS    3600.0   // 1 hins
 
-#define C2FS    1.8 // Celsius to Farenheit - scale
-#define C2FO    32  // Celsius to Farenheit - offset
+#define C2FS    1.8  // Celsius to Farenheit - scale
+#define C2FO    32.0 // Celsius to Farenheit - offset
 
 #ifdef Q_OS_WIN32
 #define UNIT_SPACE     QString(" ")

src/waypoint.h

@@ -48,7 +48,7 @@ inline uint qHash(const Waypoint &key)
 	return ::qHash(key.name());
 }
 
-QDebug operator<<(QDebug dbg, const Waypoint &Waypoint);
+QDebug operator<<(QDebug dbg, const Waypoint &waypoint);
 
 Q_DECLARE_TYPEINFO(Waypoint, Q_MOVABLE_TYPE);