From d3fbbecb2d24f3190bf4a277c77771420ce79f0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20T=C5=AFma?= <tumic@cbox.cz>
Date: Sun, 24 Sep 2017 19:54:13 +0200
Subject: [PATCH] Graph items are now selecteble like path items (+ tool tips)

---
 gpxsee.pro                   |  16 +++-
 lang/gpxsee_cs.qm            | Bin 0 -> 21195 bytes
 lang/gpxsee_cs.ts            | 176 ++++++++++++++++++++++++++++++++---
 lang/gpxsee_de.qm            | Bin 0 -> 21616 bytes
 lang/gpxsee_de.ts            | 176 ++++++++++++++++++++++++++++++++---
 lang/gpxsee_sv.qm            | Bin 0 -> 19915 bytes
 lang/gpxsee_sv.ts            | 176 ++++++++++++++++++++++++++++++++---
 src/cadencegraph.cpp         |  13 +--
 src/cadencegraph.h           |   1 -
 src/cadencegraphitem.cpp     |  26 ++++++
 src/cadencegraphitem.h       |  20 ++++
 src/elevationgraph.cpp       |  46 +++------
 src/elevationgraph.h         |   1 -
 src/elevationgraphitem.cpp   |  43 +++++++++
 src/elevationgraphitem.h     |  24 +++++
 src/graphitem.cpp            |  40 +++++++-
 src/graphitem.h              |  15 ++-
 src/graphview.cpp            |  34 +++----
 src/graphview.h              |  10 +-
 src/heartrategraph.cpp       |  13 +--
 src/heartrategraph.h         |   1 -
 src/heartrategraphitem.cpp   |  26 ++++++
 src/heartrategraphitem.h     |  20 ++++
 src/pathitem.cpp             |  13 +++
 src/pathitem.h               |   1 +
 src/powergraph.cpp           |  13 +--
 src/powergraph.h             |   1 -
 src/powergraphitem.cpp       |  26 ++++++
 src/powergraphitem.h         |  20 ++++
 src/routeitem.cpp            |   2 +-
 src/routeitem.h              |   3 +-
 src/speedgraph.cpp           |  23 ++---
 src/speedgraph.h             |   7 +-
 src/speedgraphitem.cpp       |  32 +++++++
 src/speedgraphitem.h         |  24 +++++
 src/temperaturegraph.cpp     |  16 +---
 src/temperaturegraph.h       |   1 -
 src/temperaturegraphitem.cpp |  37 ++++++++
 src/temperaturegraphitem.h   |  23 +++++
 src/trackitem.cpp            |   2 +-
 src/trackitem.h              |   2 +-
 41 files changed, 954 insertions(+), 169 deletions(-)
 create mode 100644 lang/gpxsee_cs.qm
 create mode 100644 lang/gpxsee_de.qm
 create mode 100644 lang/gpxsee_sv.qm
 create mode 100644 src/cadencegraphitem.cpp
 create mode 100644 src/cadencegraphitem.h
 create mode 100644 src/elevationgraphitem.cpp
 create mode 100644 src/elevationgraphitem.h
 create mode 100644 src/heartrategraphitem.cpp
 create mode 100644 src/heartrategraphitem.h
 create mode 100644 src/powergraphitem.cpp
 create mode 100644 src/powergraphitem.h
 create mode 100644 src/speedgraphitem.cpp
 create mode 100644 src/speedgraphitem.h
 create mode 100644 src/temperaturegraphitem.cpp
 create mode 100644 src/temperaturegraphitem.h

diff --git a/gpxsee.pro b/gpxsee.pro
index d4cd6ee1..f34c0818 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -97,7 +97,13 @@ HEADERS += src/config.h \
     src/oddspinbox.h \
     src/rectc.h \
     src/searchpointer.h \
-    src/percentslider.h
+    src/percentslider.h \
+    src/elevationgraphitem.h \
+    src/speedgraphitem.h \
+    src/heartrategraphitem.h \
+    src/temperaturegraphitem.h \
+    src/cadencegraphitem.h \
+    src/powergraphitem.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/poi.cpp \
@@ -167,7 +173,13 @@ SOURCES += src/main.cpp \
     src/albersequal.cpp \
     src/oddspinbox.cpp \
     src/rectc.cpp \
-    src/percentslider.cpp
+    src/percentslider.cpp \
+    src/elevationgraphitem.cpp \
+    src/speedgraphitem.cpp \
+    src/heartrategraphitem.cpp \
+    src/temperaturegraphitem.cpp \
+    src/cadencegraphitem.cpp \
+    src/powergraphitem.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts \
     lang/gpxsee_sv.ts \
diff --git a/lang/gpxsee_cs.qm b/lang/gpxsee_cs.qm
new file mode 100644
index 0000000000000000000000000000000000000000..cd24d6f995a2d15855b6186951f1e1ecc4c38758
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HcmV?d00001

diff --git a/lang/gpxsee_cs.ts b/lang/gpxsee_cs.ts
index 7a2ff686..acc55d3e 100644
--- a/lang/gpxsee_cs.ts
+++ b/lang/gpxsee_cs.ts
@@ -25,6 +25,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>CadenceGraphItem</name>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="21"/>
+        <location filename="../src/cadencegraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+</context>
 <context>
     <name>Data</name>
     <message>
@@ -82,36 +101,69 @@
         <translation>Výška</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="141"/>
+        <location filename="../src/elevationgraph.cpp" line="122"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="58"/>
+        <location filename="../src/elevationgraph.cpp" line="57"/>
         <source>Ascent</source>
         <translation>Stoupání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="60"/>
+        <location filename="../src/elevationgraph.cpp" line="59"/>
         <source>Descent</source>
         <translation>Klesání</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="64"/>
+        <location filename="../src/elevationgraph.cpp" line="63"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="144"/>
+        <location filename="../src/elevationgraph.cpp" line="125"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="62"/>
+        <location filename="../src/elevationgraph.cpp" line="61"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>ElevationGraphItem</name>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="28"/>
+        <source>Ascent</source>
+        <translation>Stoupání</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="30"/>
+        <source>Descent</source>
+        <translation>Klesání</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="32"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="34"/>
+        <source>Minimum</source>
+        <translation>Minimum</translation>
+    </message>
+</context>
 <context>
     <name>ExportDialog</name>
     <message>
@@ -725,12 +777,12 @@
     </message>
     <message>
         <location filename="../src/graphview.cpp" line="60"/>
-        <location filename="../src/graphview.cpp" line="157"/>
+        <location filename="../src/graphview.cpp" line="161"/>
         <source>Distance</source>
         <translation>Vzdálenost</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="159"/>
+        <location filename="../src/graphview.cpp" line="163"/>
         <source>Time</source>
         <translation>Čas</translation>
     </message>
@@ -759,6 +811,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>HeartRateGraphItem</name>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="21"/>
+        <location filename="../src/heartrategraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+</context>
 <context>
     <name>MapList</name>
     <message>
@@ -1152,6 +1223,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>PowerGraphItem</name>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="21"/>
+        <location filename="../src/powergraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+</context>
 <context>
     <name>RouteItem</name>
     <message>
@@ -1196,32 +1286,60 @@
 <context>
     <name>SpeedGraph</name>
     <message>
-        <location filename="../src/speedgraph.cpp" line="13"/>
+        <location filename="../src/speedgraph.cpp" line="14"/>
         <location filename="../src/speedgraph.h" line="14"/>
         <source>Speed</source>
         <translation>Rychlost</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="79"/>
+        <location filename="../src/speedgraph.cpp" line="81"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="21"/>
+        <location filename="../src/speedgraph.cpp" line="22"/>
         <source>Average</source>
         <translation>Průměr</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="23"/>
+        <location filename="../src/speedgraph.cpp" line="24"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="82"/>
+        <location filename="../src/speedgraph.cpp" line="84"/>
         <source>mi/h</source>
         <translation>mi/h</translation>
     </message>
 </context>
+<context>
+    <name>SpeedGraphItem</name>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>km/h</source>
+        <translation>km/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>mi/h</source>
+        <translation>mi/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="19"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="21"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="23"/>
+        <source>Moving average</source>
+        <translation>Čistý průměr</translation>
+    </message>
+</context>
 <context>
     <name>TemperatureGraph</name>
     <message>
@@ -1246,16 +1364,44 @@
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="81"/>
+        <location filename="../src/temperaturegraph.cpp" line="76"/>
         <source>C</source>
         <translation>C</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="85"/>
+        <location filename="../src/temperaturegraph.cpp" line="80"/>
         <source>F</source>
         <translation>F</translation>
     </message>
 </context>
+<context>
+    <name>TemperatureGraphItem</name>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>C</source>
+        <translation>C</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>F</source>
+        <translation>F</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="24"/>
+        <source>Average</source>
+        <translation>Průměr</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="26"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="28"/>
+        <source>Minimum</source>
+        <translation>Minimum</translation>
+    </message>
+</context>
 <context>
     <name>TrackItem</name>
     <message>
diff --git a/lang/gpxsee_de.qm b/lang/gpxsee_de.qm
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literal 0
HcmV?d00001

diff --git a/lang/gpxsee_de.ts b/lang/gpxsee_de.ts
index 37cefa49..db03ac70 100644
--- a/lang/gpxsee_de.ts
+++ b/lang/gpxsee_de.ts
@@ -25,6 +25,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>CadenceGraphItem</name>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="21"/>
+        <location filename="../src/cadencegraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Durchschnitt</translation>
+    </message>
+</context>
 <context>
     <name>Data</name>
     <message>
@@ -82,36 +101,69 @@
         <translation>Höhe</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="141"/>
+        <location filename="../src/elevationgraph.cpp" line="122"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="58"/>
+        <location filename="../src/elevationgraph.cpp" line="57"/>
         <source>Ascent</source>
         <translation>Steigung</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="60"/>
+        <location filename="../src/elevationgraph.cpp" line="59"/>
         <source>Descent</source>
         <translation>Gefälle</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="64"/>
+        <location filename="../src/elevationgraph.cpp" line="63"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="144"/>
+        <location filename="../src/elevationgraph.cpp" line="125"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="62"/>
+        <location filename="../src/elevationgraph.cpp" line="61"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>ElevationGraphItem</name>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="28"/>
+        <source>Ascent</source>
+        <translation>Steigung</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="30"/>
+        <source>Descent</source>
+        <translation>Gefälle</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="32"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="34"/>
+        <source>Minimum</source>
+        <translation>Minimum</translation>
+    </message>
+</context>
 <context>
     <name>ExportDialog</name>
     <message>
@@ -724,12 +776,12 @@
     </message>
     <message>
         <location filename="../src/graphview.cpp" line="60"/>
-        <location filename="../src/graphview.cpp" line="157"/>
+        <location filename="../src/graphview.cpp" line="161"/>
         <source>Distance</source>
         <translation>Distanz</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="159"/>
+        <location filename="../src/graphview.cpp" line="163"/>
         <source>Time</source>
         <translation>Zeit</translation>
     </message>
@@ -758,6 +810,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>HeartRateGraphItem</name>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="21"/>
+        <location filename="../src/heartrategraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Durchschnitt</translation>
+    </message>
+</context>
 <context>
     <name>MapList</name>
     <message>
@@ -1151,6 +1222,25 @@
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>PowerGraphItem</name>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="21"/>
+        <location filename="../src/powergraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation>Durchschnitt</translation>
+    </message>
+</context>
 <context>
     <name>RouteItem</name>
     <message>
@@ -1195,32 +1285,60 @@
 <context>
     <name>SpeedGraph</name>
     <message>
-        <location filename="../src/speedgraph.cpp" line="13"/>
+        <location filename="../src/speedgraph.cpp" line="14"/>
         <location filename="../src/speedgraph.h" line="14"/>
         <source>Speed</source>
         <translation>Geschwindigkeit</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="79"/>
+        <location filename="../src/speedgraph.cpp" line="81"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="21"/>
+        <location filename="../src/speedgraph.cpp" line="22"/>
         <source>Average</source>
         <translation>Durchschnitt</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="23"/>
+        <location filename="../src/speedgraph.cpp" line="24"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="82"/>
+        <location filename="../src/speedgraph.cpp" line="84"/>
         <source>mi/h</source>
         <translation>mi/h</translation>
     </message>
 </context>
+<context>
+    <name>SpeedGraphItem</name>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>km/h</source>
+        <translation>km/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>mi/h</source>
+        <translation>mi/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="19"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="21"/>
+        <source>Average</source>
+        <translation>Durchschnitt</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="23"/>
+        <source>Moving average</source>
+        <translation>Bewegungsdurchschnitt</translation>
+    </message>
+</context>
 <context>
     <name>TemperatureGraph</name>
     <message>
@@ -1245,16 +1363,44 @@
         <translation>Maximum</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="81"/>
+        <location filename="../src/temperaturegraph.cpp" line="76"/>
         <source>C</source>
         <translation>C</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="85"/>
+        <location filename="../src/temperaturegraph.cpp" line="80"/>
         <source>F</source>
         <translation>F</translation>
     </message>
 </context>
+<context>
+    <name>TemperatureGraphItem</name>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>C</source>
+        <translation>C</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>F</source>
+        <translation>F</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="24"/>
+        <source>Average</source>
+        <translation>Durchschnitt</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="26"/>
+        <source>Maximum</source>
+        <translation>Maximum</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="28"/>
+        <source>Minimum</source>
+        <translation>Minimum</translation>
+    </message>
+</context>
 <context>
     <name>TrackItem</name>
     <message>
diff --git a/lang/gpxsee_sv.qm b/lang/gpxsee_sv.qm
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z^QWdY{Lf4M;i{d{U<{lL$wibmnZ*CY!5^a)set{qfX+C72_*3oE;*~oQ!aO_3y<qZ
z8lu+qXSPE2VA!h7_<Ei*NV*psA-w447a_bj|Nkyo8Sm9Xjd#ln7?PLm(Z;);6|Y?!
xOZPiZEy&VI`!<&vu4;`+@C!9aC53bS&j|c5C^vGyew2Ty;03+|64ut#{2vZ=xrhJ&

literal 0
HcmV?d00001

diff --git a/lang/gpxsee_sv.ts b/lang/gpxsee_sv.ts
index d69380c6..729ccbd6 100644
--- a/lang/gpxsee_sv.ts
+++ b/lang/gpxsee_sv.ts
@@ -25,6 +25,25 @@
         <translation>Maximal</translation>
     </message>
 </context>
+<context>
+    <name>CadenceGraphItem</name>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="21"/>
+        <location filename="../src/cadencegraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/cadencegraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>Data</name>
     <message>
@@ -82,36 +101,69 @@
         <translation>Höjd</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="141"/>
+        <location filename="../src/elevationgraph.cpp" line="122"/>
         <source>m</source>
         <translation>m</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="58"/>
+        <location filename="../src/elevationgraph.cpp" line="57"/>
         <source>Ascent</source>
         <translation>Stigning</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="60"/>
+        <location filename="../src/elevationgraph.cpp" line="59"/>
         <source>Descent</source>
         <translation>Nedstigning</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="64"/>
+        <location filename="../src/elevationgraph.cpp" line="63"/>
         <source>Minimum</source>
         <translation>Minimum</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="144"/>
+        <location filename="../src/elevationgraph.cpp" line="125"/>
         <source>ft</source>
         <translation>ft</translation>
     </message>
     <message>
-        <location filename="../src/elevationgraph.cpp" line="62"/>
+        <location filename="../src/elevationgraph.cpp" line="61"/>
         <source>Maximum</source>
         <translation>Maximum</translation>
     </message>
 </context>
+<context>
+    <name>ElevationGraphItem</name>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>m</source>
+        <translation>m</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="26"/>
+        <source>ft</source>
+        <translation>ft</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="28"/>
+        <source>Ascent</source>
+        <translation>Stigning</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="30"/>
+        <source>Descent</source>
+        <translation>Nedstigning</translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="32"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/elevationgraphitem.cpp" line="34"/>
+        <source>Minimum</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>ExportDialog</name>
     <message>
@@ -724,12 +776,12 @@
     </message>
     <message>
         <location filename="../src/graphview.cpp" line="60"/>
-        <location filename="../src/graphview.cpp" line="157"/>
+        <location filename="../src/graphview.cpp" line="161"/>
         <source>Distance</source>
         <translation>Avstånd</translation>
     </message>
     <message>
-        <location filename="../src/graphview.cpp" line="159"/>
+        <location filename="../src/graphview.cpp" line="163"/>
         <source>Time</source>
         <translation>Tid</translation>
     </message>
@@ -758,6 +810,25 @@
         <translation>Max</translation>
     </message>
 </context>
+<context>
+    <name>HeartRateGraphItem</name>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="21"/>
+        <location filename="../src/heartrategraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/heartrategraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>MapList</name>
     <message>
@@ -1151,6 +1222,25 @@
         <translation>Max</translation>
     </message>
 </context>
+<context>
+    <name>PowerGraphItem</name>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="20"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="21"/>
+        <location filename="../src/powergraphitem.cpp" line="23"/>
+        <source>1/min</source>
+        <translation>1/min</translation>
+    </message>
+    <message>
+        <location filename="../src/powergraphitem.cpp" line="22"/>
+        <source>Average</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>RouteItem</name>
     <message>
@@ -1195,32 +1285,60 @@
 <context>
     <name>SpeedGraph</name>
     <message>
-        <location filename="../src/speedgraph.cpp" line="13"/>
+        <location filename="../src/speedgraph.cpp" line="14"/>
         <location filename="../src/speedgraph.h" line="14"/>
         <source>Speed</source>
         <translation>Hastighet</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="79"/>
+        <location filename="../src/speedgraph.cpp" line="81"/>
         <source>km/h</source>
         <translation>km/h</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="21"/>
+        <location filename="../src/speedgraph.cpp" line="22"/>
         <source>Average</source>
         <translation>Medel</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="23"/>
+        <location filename="../src/speedgraph.cpp" line="24"/>
         <source>Maximum</source>
         <translation>Max</translation>
     </message>
     <message>
-        <location filename="../src/speedgraph.cpp" line="82"/>
+        <location filename="../src/speedgraph.cpp" line="84"/>
         <source>mi/h</source>
         <translation>mi/h</translation>
     </message>
 </context>
+<context>
+    <name>SpeedGraphItem</name>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>km/h</source>
+        <translation>km/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="17"/>
+        <source>mi/h</source>
+        <translation>mi/h</translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="19"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="21"/>
+        <source>Average</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/speedgraphitem.cpp" line="23"/>
+        <source>Moving average</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>TemperatureGraph</name>
     <message>
@@ -1245,16 +1363,44 @@
         <translation>Max</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="81"/>
+        <location filename="../src/temperaturegraph.cpp" line="76"/>
         <source>C</source>
         <translation>C</translation>
     </message>
     <message>
-        <location filename="../src/temperaturegraph.cpp" line="85"/>
+        <location filename="../src/temperaturegraph.cpp" line="80"/>
         <source>F</source>
         <translation>F</translation>
     </message>
 </context>
+<context>
+    <name>TemperatureGraphItem</name>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>C</source>
+        <translation>C</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="22"/>
+        <source>F</source>
+        <translation>F</translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="24"/>
+        <source>Average</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="26"/>
+        <source>Maximum</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <location filename="../src/temperaturegraphitem.cpp" line="28"/>
+        <source>Minimum</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
 <context>
     <name>TrackItem</name>
     <message>
diff --git a/src/cadencegraph.cpp b/src/cadencegraph.cpp
index 7ada1768..904a48c2 100644
--- a/src/cadencegraph.cpp
+++ b/src/cadencegraph.cpp
@@ -1,10 +1,10 @@
 #include "data.h"
+#include "cadencegraphitem.h"
 #include "cadencegraph.h"
 
 
 CadenceGraph::CadenceGraph(QWidget *parent) : GraphTab(parent)
 {
-	_units = Metric;
 	_showTracks = true;
 
 	GraphView::setYUnits(tr("1/min"));
@@ -28,21 +28,16 @@ void CadenceGraph::loadData(const Data &data, const QList<PathItem *> &paths)
 {
 	for (int i = 0; i < data.tracks().count(); i++) {
 		const Graph &graph = data.tracks().at(i)->cadence();
-		qreal sum = 0, w = 0;
 
 		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		for (int j = 1; j < graph.size(); j++) {
-			qreal ds = graph.at(j).s() - graph.at(j-1).s();
-			sum += graph.at(j).y() * ds;
-			w += ds;
-		}
-		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+		CadenceGraphItem *gi = new CadenceGraphItem(graph);
+		GraphView::addGraph(gi, paths.at(i));
 
-		GraphView::loadGraph(graph, paths.at(i));
+		_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
 	}
 
 	for (int i = 0; i < data.routes().count(); i++)
diff --git a/src/cadencegraph.h b/src/cadencegraph.h
index cd1764f9..362575fe 100644
--- a/src/cadencegraph.h
+++ b/src/cadencegraph.h
@@ -23,7 +23,6 @@ private:
 
 	QList<QPointF> _avg;
 
-	enum Units _units;
 	bool _showTracks;
 };
 
diff --git a/src/cadencegraphitem.cpp b/src/cadencegraphitem.cpp
new file mode 100644
index 00000000..90e0e7be
--- /dev/null
+++ b/src/cadencegraphitem.cpp
@@ -0,0 +1,26 @@
+#include "tooltip.h"
+#include "cadencegraphitem.h"
+
+CadenceGraphItem::CadenceGraphItem(const Graph &graph, QGraphicsItem *parent)
+  : GraphItem(graph, parent)
+{
+	qreal sum = 0;
+
+	for (int j = 1; j < graph.size(); j++)
+		sum += graph.at(j).y() * (graph.at(j).s() - graph.at(j-1).s());
+	_avg = sum/graph.last().s();
+
+	setToolTip(toolTip());
+}
+
+QString CadenceGraphItem::toolTip() const
+{
+	ToolTip tt;
+
+	tt.insert(tr("Maximum"), QString::number(max(), 'f', 1)
+	  + UNIT_SPACE + tr("1/min"));
+	tt.insert(tr("Average"), QString::number(avg(), 'f', 1)
+	  + UNIT_SPACE + tr("1/min"));
+
+	return tt.toString();
+}
diff --git a/src/cadencegraphitem.h b/src/cadencegraphitem.h
new file mode 100644
index 00000000..a57e0ad5
--- /dev/null
+++ b/src/cadencegraphitem.h
@@ -0,0 +1,20 @@
+#ifndef CADENCEGRAPHITEM_H
+#define CADENCEGRAPHITEM_H
+
+#include "graphitem.h"
+
+class CadenceGraphItem : public GraphItem
+{
+public:
+	CadenceGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal avg() const {return _avg;}
+
+private:
+	QString toolTip() const;
+
+	qreal _avg;
+};
+
+#endif // CADENCEGRAPHITEM_H
diff --git a/src/elevationgraph.cpp b/src/elevationgraph.cpp
index 952c3325..f5db929f 100644
--- a/src/elevationgraph.cpp
+++ b/src/elevationgraph.cpp
@@ -1,6 +1,8 @@
 #include <cmath>
 #include "config.h"
 #include "data.h"
+#include "tooltip.h"
+#include "elevationgraphitem.h"
 #include "elevationgraph.h"
 
 
@@ -42,11 +44,8 @@ ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
 	_showRoutes = true;
 	_showTracks = true;
 
-	_units = Metric;
-
 	setYUnits();
 	setYLabel(tr("Elevation"));
-
 	setMinYRange(50.0);
 }
 
@@ -68,43 +67,25 @@ void ElevationGraph::setInfo()
 
 void ElevationGraph::loadGraph(const Graph &graph, Type type, PathItem *path)
 {
-	qreal ascent = 0, descent = 0;
-	qreal min, max;
-
 	if (graph.size() < 2) {
 		skipColor();
 		return;
 	}
 
-	max = min = graph.at(0).y();
-	for (int j = 1; j < graph.size(); j++) {
-		qreal cur = graph.at(j).y();
-		qreal prev = graph.at(j-1).y();
-
-		if (cur > prev)
-			ascent += cur - prev;
-		if (cur < prev)
-			descent += prev - cur;
-
-		if (cur < min)
-			min = cur;
-		if (cur > max)
-			max = cur;
-	}
+	ElevationGraphItem *gi = new ElevationGraphItem(graph);
+	GraphView::addGraph(gi, path, type);
 
 	if (type == Track) {
-		_trackAscent += ascent;
-		_trackDescent += descent;
-		_trackMax = nMax(_trackMax, max);
-		_trackMin = nMin(_trackMin, min);
+		_trackAscent += gi->ascent();
+		_trackDescent += gi->descent();
+		_trackMax = nMax(_trackMax, gi->max());
+		_trackMin = nMin(_trackMin, gi->min());
 	} else {
-		_routeAscent += ascent;
-		_routeDescent += descent;
-		_routeMax = nMax(_routeMax, max);
-		_routeMin = nMin(_routeMin, min);
+		_routeAscent += gi->ascent();
+		_routeDescent += gi->descent();
+		_routeMax = nMax(_routeMax, gi->max());
+		_routeMin = nMin(_routeMin, gi->min());
 	}
-
-	GraphView::loadGraph(graph, path, type);
 }
 
 void ElevationGraph::loadData(const Data &data, const QList<PathItem *> &paths)
@@ -148,11 +129,10 @@ void ElevationGraph::setYUnits()
 
 void ElevationGraph::setUnits(enum Units units)
 {
-	_units = units;
+	GraphView::setUnits(units);
 
 	setYUnits();
 	setInfo();
-	GraphView::setUnits(units);
 
 	redraw();
 }
diff --git a/src/elevationgraph.h b/src/elevationgraph.h
index 71e72c83..82078ca9 100644
--- a/src/elevationgraph.h
+++ b/src/elevationgraph.h
@@ -35,7 +35,6 @@ private:
 	qreal _trackMax, _routeMax;
 	qreal _trackMin, _routeMin;
 
-	enum Units _units;
 	bool _showTracks, _showRoutes;
 };
 
diff --git a/src/elevationgraphitem.cpp b/src/elevationgraphitem.cpp
new file mode 100644
index 00000000..3a4644ef
--- /dev/null
+++ b/src/elevationgraphitem.cpp
@@ -0,0 +1,43 @@
+#include "tooltip.h"
+#include "elevationgraphitem.h"
+
+ElevationGraphItem::ElevationGraphItem(const Graph &graph, QGraphicsItem *parent)
+  : GraphItem(graph, parent)
+{
+	_ascent = _descent = 0;
+
+	for (int j = 1; j < graph.size(); j++) {
+		qreal cur = graph.at(j).y();
+		qreal prev = graph.at(j-1).y();
+
+		if (cur > prev)
+			_ascent += cur - prev;
+		if (cur < prev)
+			_descent += prev - cur;
+	}
+
+	setToolTip(toolTip(Metric));
+}
+
+QString ElevationGraphItem::toolTip(Units units) const
+{
+	ToolTip tt;
+	qreal scale = (units == Metric) ? 1.0 : M2FT;
+	QString su = (units == Metric) ? tr("m") : tr("ft");
+
+	tt.insert(tr("Ascent"), QString::number(ascent() * scale, 'f', 0)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Descent"), QString::number(descent() * scale, 'f', 0)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Maximum"), QString::number(max() * scale, 'f', 0)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Minimum"), QString::number(min() * scale, 'f', 0)
+	  + UNIT_SPACE + su);
+
+	return tt.toString();
+}
+
+void ElevationGraphItem::setUnits(Units units)
+{
+	setToolTip(toolTip(units));
+}
diff --git a/src/elevationgraphitem.h b/src/elevationgraphitem.h
new file mode 100644
index 00000000..77e6c710
--- /dev/null
+++ b/src/elevationgraphitem.h
@@ -0,0 +1,24 @@
+#ifndef ELEVATIONGRAPHITEM_H
+#define ELEVATIONGRAPHITEM_H
+
+#include "graphitem.h"
+
+class ElevationGraphItem : public GraphItem
+{
+public:
+	ElevationGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	qreal ascent() const {return _ascent;}
+	qreal descent() const {return _descent;}
+	qreal min() const {return -bounds().bottom();}
+	qreal max() const {return -bounds().top();}
+
+	void setUnits(Units units);
+
+private:
+	QString toolTip(Units units) const;
+
+	qreal _ascent, _descent;
+};
+
+#endif // ELEVATIONGRAPHITEM_H
diff --git a/src/graphitem.cpp b/src/graphitem.cpp
index a316d45b..f5459a67 100644
--- a/src/graphitem.cpp
+++ b/src/graphitem.cpp
@@ -25,7 +25,17 @@ GraphItem::GraphItem(const Graph &graph, QGraphicsItem *parent)
 	setZValue(1.0);
 
 	updatePath();
+	updateShape();
 	updateBounds();
+
+	setAcceptHoverEvents(true);
+}
+
+void GraphItem::updateShape()
+{
+	QPainterPathStroker s;
+	s.setWidth(_width + 1);
+	_shape = s.createStroke(_path);
 }
 
 void GraphItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
@@ -50,6 +60,7 @@ void GraphItem::setGraphType(GraphType type)
 
 	_type = type;
 	updatePath();
+	updateShape();
 	updateBounds();
 }
 
@@ -65,6 +76,8 @@ void GraphItem::setWidth(int width)
 
 	_width = width;
 	_pen.setWidth(width);
+
+	updateShape();
 }
 
 qreal GraphItem::yAtX(qreal x)
@@ -143,9 +156,9 @@ void GraphItem::emitSliderPositionChanged(qreal pos)
 		emit sliderPositionChanged(pos);
 }
 
-void GraphItem::selected(bool selected)
+void GraphItem::hover(bool hover)
 {
-	if (selected) {
+	if (hover) {
 		_pen.setWidth(_width + 1);
 		setZValue(zValue() + 1.0);
 	} else {
@@ -165,6 +178,7 @@ void GraphItem::setScale(qreal sx, qreal sy)
 
 	_sx = sx; _sy = sy;
 	updatePath();
+	updateShape();
 }
 
 void GraphItem::updatePath()
@@ -199,3 +213,25 @@ void GraphItem::updateBounds()
 
 	_bounds = QRectF(QPointF(left, top), QPointF(right, bottom));
 }
+
+void GraphItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	_pen.setWidthF(_width + 1);
+	setZValue(zValue() + 1.0);
+	update();
+
+	emit selected(true);
+}
+
+void GraphItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+	Q_UNUSED(event);
+
+	_pen.setWidthF(_width);
+	setZValue(zValue() - 1.0);
+	update();
+
+	emit selected(false);
+}
diff --git a/src/graphitem.h b/src/graphitem.h
index f4443bbd..2162d6d7 100644
--- a/src/graphitem.h
+++ b/src/graphitem.h
@@ -3,6 +3,7 @@
 
 #include <QGraphicsObject>
 #include <QPen>
+#include "units.h"
 #include "graph.h"
 
 class GraphItem : public QGraphicsObject
@@ -12,8 +13,8 @@ class GraphItem : public QGraphicsObject
 public:
 	GraphItem(const Graph &graph, QGraphicsItem *parent = 0);
 
-	QRectF boundingRect() const
-	  {return _path.boundingRect();}
+	QPainterPath shape() const {return _shape;}
+	QRectF boundingRect() const {return _shape.boundingRect();}
 	void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
 	  QWidget *widget);
 
@@ -29,15 +30,22 @@ public:
 	qreal yAtX(qreal x);
 	qreal distanceAtTime(qreal time);
 
+	virtual void setUnits(Units units) {Q_UNUSED(units);}
+
 signals:
 	void sliderPositionChanged(qreal);
+	void selected(bool);
 
 public slots:
 	void emitSliderPositionChanged(qreal);
-	void selected(bool selected);
+	void hover(bool hover);
 
 private:
+	void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+	void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+
 	void updatePath();
+	void updateShape();
 	void updateBounds();
 
 	int _id;
@@ -48,6 +56,7 @@ private:
 	GraphType _type;
 
 	QPainterPath _path;
+	QPainterPath _shape;
 	QRectF _bounds;
 	qreal _sx, _sy;
 
diff --git a/src/graphview.cpp b/src/graphview.cpp
index 35ae82fd..a21955bc 100644
--- a/src/graphview.cpp
+++ b/src/graphview.cpp
@@ -139,6 +139,10 @@ void GraphView::setXUnits()
 void GraphView::setUnits(Units units)
 {
 	_units = units;
+
+	for (int i = 0; i < _graphs.count(); i++)
+		_graphs.at(i)->setUnits(units);
+
 	setXUnits();
 }
 
@@ -167,29 +171,27 @@ void GraphView::showGrid(bool show)
 	_grid->setVisible(show);
 }
 
-void GraphView::loadGraph(const Graph &graph, PathItem *path, int id)
+void GraphView::addGraph(GraphItem *graph, PathItem *path, int id)
 {
-	if (graph.size() < 2)
-		return;
+	graph->setUnits(_units);
+	graph->setGraphType(_graphType);
+	graph->setId(id);
+	graph->setColor(_palette.nextColor());
+	graph->setWidth(_width);
 
-	GraphItem *gi = new GraphItem(graph);
-	gi->setGraphType(_graphType);
-	gi->setId(id);
-	gi->setColor(_palette.nextColor());
-	gi->setWidth(_width);
-
-	connect(this, SIGNAL(sliderPositionChanged(qreal)), gi,
+	connect(this, SIGNAL(sliderPositionChanged(qreal)), graph,
 	  SLOT(emitSliderPositionChanged(qreal)));
-	connect(gi, SIGNAL(sliderPositionChanged(qreal)), path,
+	connect(graph, SIGNAL(sliderPositionChanged(qreal)), path,
 	  SLOT(moveMarker(qreal)));
-	connect(path, SIGNAL(selected(bool)), gi, SLOT(selected(bool)));
+	connect(path, SIGNAL(selected(bool)), graph, SLOT(hover(bool)));
+	connect(graph, SIGNAL(selected(bool)), path, SLOT(hover(bool)));
 
-	_graphs.append(gi);
+	_graphs.append(graph);
 
 	if (!_hide.contains(id)) {
-		_visible.append(gi);
-		_scene->addItem(gi);
-		_bounds |= gi->bounds();
+		_visible.append(graph);
+		_scene->addItem(graph);
+		_bounds |= graph->bounds();
 		setXUnits();
 	}
 }
diff --git a/src/graphview.h b/src/graphview.h
index 85dcc4e0..dcd77de2 100644
--- a/src/graphview.h
+++ b/src/graphview.h
@@ -4,9 +4,9 @@
 #include <QGraphicsView>
 #include <QList>
 #include <QSet>
+#include "graph.h"
 #include "palette.h"
 #include "units.h"
-#include "graph.h"
 
 
 class AxisItem;
@@ -25,7 +25,7 @@ public:
 	GraphView(QWidget *parent = 0);
 	~GraphView();
 
-	void loadGraph(const Graph &graph, PathItem *path, int id = 0);
+	void addGraph(GraphItem *graph, PathItem *path, int id = 0);
 	int count() const {return _graphs.count();}
 	void redraw();
 	void clear();
@@ -68,6 +68,9 @@ protected:
 	void clearInfo();
 	void skipColor() {_palette.nextColor();}
 
+	Units _units;
+	GraphType _graphType;
+
 private slots:
 	void emitSliderPositionChanged(const QPointF &pos);
 	void newSliderPosition(const QPointF &pos);
@@ -106,9 +109,6 @@ private:
 	QRectF _bounds;
 	Palette _palette;
 	int _width;
-
-	Units _units;
-	GraphType _graphType;
 };
 
 #endif // GRAPHVIEW_H
diff --git a/src/heartrategraph.cpp b/src/heartrategraph.cpp
index a4530663..60c74ff1 100644
--- a/src/heartrategraph.cpp
+++ b/src/heartrategraph.cpp
@@ -1,10 +1,10 @@
 #include "data.h"
+#include "heartrategraphitem.h"
 #include "heartrategraph.h"
 
 
 HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
 {
-	_units = Metric;
 	_showTracks = true;
 
 	GraphView::setYUnits(tr("1/min"));
@@ -28,21 +28,16 @@ void HeartRateGraph::loadData(const Data &data, const QList<PathItem *> &paths)
 {
 	for (int i = 0; i < data.tracks().count(); i++) {
 		const Graph &graph = data.tracks().at(i)->heartRate();
-		qreal sum = 0, w = 0;
 
 		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		for (int j = 1; j < graph.size(); j++) {
-			qreal ds = graph.at(j).s() - graph.at(j-1).s();
-			sum += graph.at(j).y() * ds;
-			w += ds;
-		}
-		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+		HeartRateGraphItem *gi = new HeartRateGraphItem(graph);
+		GraphView::addGraph(gi, paths.at(i));
 
-		GraphView::loadGraph(graph, paths.at(i));
+		_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
 	}
 
 	for (int i = 0; i < data.routes().count(); i++)
diff --git a/src/heartrategraph.h b/src/heartrategraph.h
index a0b0b062..2e06bb80 100644
--- a/src/heartrategraph.h
+++ b/src/heartrategraph.h
@@ -22,7 +22,6 @@ private:
 
 	QList<QPointF> _avg;
 
-	enum Units _units;
 	bool _showTracks;
 };
 
diff --git a/src/heartrategraphitem.cpp b/src/heartrategraphitem.cpp
new file mode 100644
index 00000000..9a7fc4f4
--- /dev/null
+++ b/src/heartrategraphitem.cpp
@@ -0,0 +1,26 @@
+#include "tooltip.h"
+#include "heartrategraphitem.h"
+
+HeartRateGraphItem::HeartRateGraphItem(const Graph &graph, QGraphicsItem *parent)
+  : GraphItem(graph, parent)
+{
+	qreal sum = 0;
+
+	for (int j = 1; j < graph.size(); j++)
+		sum += graph.at(j).y() * (graph.at(j).s() - graph.at(j-1).s());
+	_avg = sum/graph.last().s();
+
+	setToolTip(toolTip());
+}
+
+QString HeartRateGraphItem::toolTip() const
+{
+	ToolTip tt;
+
+	tt.insert(tr("Maximum"), QString::number(max(), 'f', 0)
+	  + UNIT_SPACE + tr("1/min"));
+	tt.insert(tr("Average"), QString::number(avg(), 'f', 0)
+	  + UNIT_SPACE + tr("1/min"));
+
+	return tt.toString();
+}
diff --git a/src/heartrategraphitem.h b/src/heartrategraphitem.h
new file mode 100644
index 00000000..f3941b68
--- /dev/null
+++ b/src/heartrategraphitem.h
@@ -0,0 +1,20 @@
+#ifndef HEARTRATEGRAPHITEM_H
+#define HEARTRATEGRAPHITEM_H
+
+#include "graphitem.h"
+
+class HeartRateGraphItem : public GraphItem
+{
+public:
+	HeartRateGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal avg() const {return _avg;}
+
+private:
+	QString toolTip() const;
+
+	qreal _avg;
+};
+
+#endif // HEARTRATEGRAPHITEM_H
diff --git a/src/pathitem.cpp b/src/pathitem.cpp
index cf2950d4..59c34151 100644
--- a/src/pathitem.cpp
+++ b/src/pathitem.cpp
@@ -154,6 +154,19 @@ void PathItem::moveMarker(qreal distance)
 		_marker->setVisible(false);
 }
 
+void PathItem::hover(bool hover)
+{
+	if (hover) {
+		_pen.setWidth(_width + 1);
+		setZValue(zValue() + 1.0);
+	} else {
+		_pen.setWidth(_width);
+		setZValue(zValue() - 1.0);
+	}
+
+	update();
+}
+
 void PathItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 {
 	Q_UNUSED(event);
diff --git a/src/pathitem.h b/src/pathitem.h
index aabc6cbf..d4d4e4cc 100644
--- a/src/pathitem.h
+++ b/src/pathitem.h
@@ -32,6 +32,7 @@ public:
 
 public slots:
 	void moveMarker(qreal distance);
+	void hover(bool hover);
 
 signals:
 	void selected(bool);
diff --git a/src/powergraph.cpp b/src/powergraph.cpp
index c227fa01..90ee98e9 100644
--- a/src/powergraph.cpp
+++ b/src/powergraph.cpp
@@ -1,10 +1,10 @@
 #include "data.h"
+#include "powergraphitem.h"
 #include "powergraph.h"
 
 
 PowerGraph::PowerGraph(QWidget *parent) : GraphTab(parent)
 {
-	_units = Metric;
 	_showTracks = true;
 
 	GraphView::setYUnits(tr("W"));
@@ -28,21 +28,16 @@ void PowerGraph::loadData(const Data &data, const QList<PathItem *> &paths)
 {
 	for (int i = 0; i < data.tracks().count(); i++) {
 		const Graph &graph = data.tracks().at(i)->power();
-		qreal sum = 0, w = 0;
 
 		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		for (int j = 1; j < graph.size(); j++) {
-			qreal ds = graph.at(j).s() - graph.at(j-1).s();
-			sum += graph.at(j).y() * ds;
-			w += ds;
-		}
-		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+		PowerGraphItem *gi = new PowerGraphItem(graph);
+		GraphView::addGraph(gi, paths.at(i));
 
-		GraphView::loadGraph(graph, paths.at(i));
+		_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
 	}
 
 	for (int i = 0; i < data.routes().count(); i++)
diff --git a/src/powergraph.h b/src/powergraph.h
index d369756d..58553a11 100644
--- a/src/powergraph.h
+++ b/src/powergraph.h
@@ -22,7 +22,6 @@ private:
 
 	QList<QPointF> _avg;
 
-	enum Units _units;
 	bool _showTracks;
 };
 
diff --git a/src/powergraphitem.cpp b/src/powergraphitem.cpp
new file mode 100644
index 00000000..c5921f9d
--- /dev/null
+++ b/src/powergraphitem.cpp
@@ -0,0 +1,26 @@
+#include "tooltip.h"
+#include "powergraphitem.h"
+
+PowerGraphItem::PowerGraphItem(const Graph &graph, QGraphicsItem *parent)
+  : GraphItem(graph, parent)
+{
+	qreal sum = 0;
+
+	for (int j = 1; j < graph.size(); j++)
+		sum += graph.at(j).y() * (graph.at(j).s() - graph.at(j-1).s());
+	_avg = sum/graph.last().s();
+
+	setToolTip(toolTip());
+}
+
+QString PowerGraphItem::toolTip() const
+{
+	ToolTip tt;
+
+	tt.insert(tr("Maximum"), QString::number(max(), 'f', 1)
+	  + UNIT_SPACE + tr("1/min"));
+	tt.insert(tr("Average"), QString::number(avg(), 'f', 1)
+	  + UNIT_SPACE + tr("1/min"));
+
+	return tt.toString();
+}
diff --git a/src/powergraphitem.h b/src/powergraphitem.h
new file mode 100644
index 00000000..d05edb64
--- /dev/null
+++ b/src/powergraphitem.h
@@ -0,0 +1,20 @@
+#ifndef POWERGRAPHITEM_H
+#define POWERGRAPHITEM_H
+
+#include "graphitem.h"
+
+class PowerGraphItem : public GraphItem
+{
+public:
+	PowerGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal avg() const {return _avg;}
+
+private:
+	QString toolTip() const;
+
+	qreal _avg;
+};
+
+#endif // POWERGRAPHITEM_H
diff --git a/src/routeitem.cpp b/src/routeitem.cpp
index 46022663..33bfab26 100644
--- a/src/routeitem.cpp
+++ b/src/routeitem.cpp
@@ -7,7 +7,7 @@
 #include "routeitem.h"
 
 
-QString RouteItem::toolTip(Units units)
+QString RouteItem::toolTip(Units units) const
 {
 	ToolTip tt;
 
diff --git a/src/routeitem.h b/src/routeitem.h
index 9b5cf2fd..2c818e5f 100644
--- a/src/routeitem.h
+++ b/src/routeitem.h
@@ -14,7 +14,6 @@ class RouteItem : public PathItem
 public:
 	RouteItem(const Route &route, Map *map, QGraphicsItem *parent = 0);
 
-	//void setScale(qreal scale);
 	void setMap(Map *map);
 
 	void setUnits(Units units);
@@ -22,7 +21,7 @@ public:
 	void showWaypointLabels(bool show);
 
 private:
-	QString toolTip(Units units);
+	QString toolTip(Units units) const;
 
 	QString _name;
 	QString _desc;
diff --git a/src/speedgraph.cpp b/src/speedgraph.cpp
index 6b3381b7..60b741a6 100644
--- a/src/speedgraph.cpp
+++ b/src/speedgraph.cpp
@@ -1,11 +1,12 @@
 #include "config.h"
 #include "data.h"
+#include "tooltip.h"
+#include "speedgraphitem.h"
 #include "speedgraph.h"
 
 
 SpeedGraph::SpeedGraph(QWidget *parent) : GraphTab(parent)
 {
-	_units = Metric;
 	_timeType = Total;
 	_showTracks = true;
 
@@ -29,18 +30,19 @@ void SpeedGraph::setInfo()
 void SpeedGraph::loadData(const Data &data, const QList<PathItem *> &paths)
 {
 	for (int i = 0; i < data.tracks().count(); i++) {
-		const Graph &graph = data.tracks().at(i)->speed();
+		const Track *track = data.tracks().at(i);
+		const Graph &graph = track->speed();
+
 		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		_avg.append(QPointF(data.tracks().at(i)->distance(),
-		  data.tracks().at(i)->distance() / data.tracks().at(i)->time()));
-		_avgM.append(QPointF(data.tracks().at(i)->distance(),
-		  data.tracks().at(i)->distance() / data.tracks().at(i)->movingTime()));
+		SpeedGraphItem *gi = new SpeedGraphItem(graph, track->movingTime());
+		GraphView::addGraph(gi, paths.at(i));
 
-		GraphView::loadGraph(graph, paths.at(i));
+		_avg.append(QPointF(track->distance(), gi->avg()));
+		_mavg.append(QPointF(track->distance(), gi->mavg()));
 	}
 
 	for (int i = 0; i < data.routes().count(); i++)
@@ -55,7 +57,7 @@ qreal SpeedGraph::avg() const
 {
 	qreal sum = 0, w = 0;
 	QList<QPointF>::const_iterator it;
-	const QList<QPointF> &list = (_timeType == Moving) ? _avgM : _avg;
+	const QList<QPointF> &list = (_timeType == Moving) ? _mavg : _avg;
 
 	for (it = list.begin(); it != list.end(); it++) {
 		sum += it->y() * it->x();
@@ -68,7 +70,7 @@ qreal SpeedGraph::avg() const
 void SpeedGraph::clear()
 {
 	_avg.clear();
-	_avgM.clear();
+	_mavg.clear();
 
 	GraphView::clear();
 }
@@ -86,11 +88,10 @@ void SpeedGraph::setYUnits()
 
 void SpeedGraph::setUnits(enum Units units)
 {
-	_units = units;
+	GraphView::setUnits(units);
 
 	setYUnits();
 	setInfo();
-	GraphView::setUnits(units);
 
 	redraw();
 }
diff --git a/src/speedgraph.h b/src/speedgraph.h
index 6fd12eef..fa0611e0 100644
--- a/src/speedgraph.h
+++ b/src/speedgraph.h
@@ -14,8 +14,8 @@ public:
 	QString label() const {return tr("Speed");}
 	void loadData(const Data &data, const QList<PathItem *> &paths);
 	void clear();
-	void setUnits(enum Units units);
-	void setTimeType(enum TimeType type);
+	void setUnits(Units units);
+	void setTimeType(TimeType type);
 	void showTracks(bool show);
 
 private:
@@ -25,9 +25,8 @@ private:
 	void setInfo();
 
 	QList<QPointF> _avg;
-	QList<QPointF> _avgM;
+	QList<QPointF> _mavg;
 
-	enum Units _units;
 	enum TimeType _timeType;
 	bool _showTracks;
 };
diff --git a/src/speedgraphitem.cpp b/src/speedgraphitem.cpp
new file mode 100644
index 00000000..3449d939
--- /dev/null
+++ b/src/speedgraphitem.cpp
@@ -0,0 +1,32 @@
+#include "tooltip.h"
+#include "speedgraphitem.h"
+
+SpeedGraphItem::SpeedGraphItem(const Graph &graph, qreal movingTime,
+  QGraphicsItem *parent) : GraphItem(graph, parent)
+{
+	_avg = graph.last().s() / graph.last().t();
+	_mavg = graph.last().s() / movingTime;
+
+	setToolTip(toolTip(Metric));
+}
+
+QString SpeedGraphItem::toolTip(Units units) const
+{
+	ToolTip tt;
+	qreal scale = (units == Metric) ? MS2KMH : MS2MIH;
+	QString su = (units == Metric) ? tr("km/h") : tr("mi/h");
+
+	tt.insert(tr("Maximum"), QString::number(max() * scale, 'f', 1)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Average"), QString::number(avg() * scale, 'f', 1)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Moving average"), QString::number(mavg() * scale, 'f', 1)
+	  + UNIT_SPACE + su);
+
+	return tt.toString();
+}
+
+void SpeedGraphItem::setUnits(Units units)
+{
+	setToolTip(toolTip(units));
+}
diff --git a/src/speedgraphitem.h b/src/speedgraphitem.h
new file mode 100644
index 00000000..ec3705aa
--- /dev/null
+++ b/src/speedgraphitem.h
@@ -0,0 +1,24 @@
+#ifndef SPEEDGRAPHITEM_H
+#define SPEEDGRAPHITEM_H
+
+#include "graphitem.h"
+
+class SpeedGraphItem : public GraphItem
+{
+public:
+	SpeedGraphItem(const Graph &graph, qreal movingTime,
+	  QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal avg() const {return _avg;}
+	qreal mavg() const {return _mavg;}
+
+	void setUnits(Units units);
+
+private:
+	QString toolTip(Units units) const;
+
+	qreal _avg, _mavg;
+};
+
+#endif // SPEEDGRAPHITEM_H
diff --git a/src/temperaturegraph.cpp b/src/temperaturegraph.cpp
index e315da92..3f1bb18a 100644
--- a/src/temperaturegraph.cpp
+++ b/src/temperaturegraph.cpp
@@ -1,10 +1,10 @@
 #include "data.h"
+#include "temperaturegraphitem.h"
 #include "temperaturegraph.h"
 
 
 TemperatureGraph::TemperatureGraph(QWidget *parent) : GraphTab(parent)
 {
-	_units = Metric;
 	_showTracks = true;
 
 	setYUnits();
@@ -30,21 +30,16 @@ void TemperatureGraph::loadData(const Data &data, const QList<PathItem *> &paths
 {
 	for (int i = 0; i < data.tracks().count(); i++) {
 		const Graph &graph = data.tracks().at(i)->temperature();
-		qreal sum = 0, w = 0;
 
 		if (graph.size() < 2) {
 			skipColor();
 			continue;
 		}
 
-		for (int j = 1; j < graph.size(); j++) {
-			qreal ds = graph.at(j).s() - graph.at(j-1).s();
-			sum += graph.at(j).y() * ds;
-			w += ds;
-		}
-		_avg.append(QPointF(data.tracks().at(i)->distance(), sum/w));
+		TemperatureGraphItem *gi = new TemperatureGraphItem(graph);
+		GraphView::addGraph(gi, paths.at(i));
 
-		GraphView::loadGraph(graph, paths.at(i));
+		_avg.append(QPointF(data.tracks().at(i)->distance(), gi->avg()));
 	}
 
 	for (int i = 0; i < data.routes().count(); i++)
@@ -90,11 +85,10 @@ void TemperatureGraph::setYUnits()
 
 void TemperatureGraph::setUnits(enum Units units)
 {
-	_units = units;
+	GraphView::setUnits(units);
 
 	setYUnits();
 	setInfo();
-	GraphView::setUnits(units);
 
 	redraw();
 }
diff --git a/src/temperaturegraph.h b/src/temperaturegraph.h
index 54e6fefd..4f9f7159 100644
--- a/src/temperaturegraph.h
+++ b/src/temperaturegraph.h
@@ -25,7 +25,6 @@ private:
 
 	QList<QPointF> _avg;
 
-	enum Units _units;
 	bool _showTracks;
 };
 
diff --git a/src/temperaturegraphitem.cpp b/src/temperaturegraphitem.cpp
new file mode 100644
index 00000000..8ba96ffa
--- /dev/null
+++ b/src/temperaturegraphitem.cpp
@@ -0,0 +1,37 @@
+#include "tooltip.h"
+#include "temperaturegraphitem.h"
+
+TemperatureGraphItem::TemperatureGraphItem(const Graph &graph,
+  QGraphicsItem *parent) : GraphItem(graph, parent)
+{
+	qreal sum = 0;
+
+	for (int j = 1; j < graph.size(); j++)
+		sum += graph.at(j).y() * (graph.at(j).s() - graph.at(j-1).s());
+	_avg = sum/graph.last().s();
+
+	setToolTip(toolTip(Metric));
+}
+
+QString TemperatureGraphItem::toolTip(Units units) const
+{
+	ToolTip tt;
+	qreal scale = (units == Metric) ? 1.0 : C2FS;
+	qreal offset = (units == Metric) ? 0 : C2FO;
+	QString su = (units == Metric) ?
+	  QChar(0x00B0) + tr("C") : QChar(0x00B0) + tr("F");
+
+	tt.insert(tr("Average"), QString::number(avg() * scale + offset, 'f', 1)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Maximum"), QString::number(max() * scale + offset, 'f', 1)
+	  + UNIT_SPACE + su);
+	tt.insert(tr("Minimum"), QString::number(min() * scale + offset, 'f', 1)
+	  + UNIT_SPACE + su);
+
+	return tt.toString();
+}
+
+void TemperatureGraphItem::setUnits(Units units)
+{
+	setToolTip(toolTip(units));
+}
diff --git a/src/temperaturegraphitem.h b/src/temperaturegraphitem.h
new file mode 100644
index 00000000..a102b4d5
--- /dev/null
+++ b/src/temperaturegraphitem.h
@@ -0,0 +1,23 @@
+#ifndef TEMPERATUREGRAPHITEM_H
+#define TEMPERATUREGRAPHITEM_H
+
+#include "graphitem.h"
+
+class TemperatureGraphItem : public GraphItem
+{
+public:
+	TemperatureGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
+
+	qreal max() const {return -bounds().top();}
+	qreal min() const {return -bounds().bottom();}
+	qreal avg() const {return _avg;}
+
+	void setUnits(Units units);
+
+private:
+	QString toolTip(Units units) const;
+
+	qreal _avg;
+};
+
+#endif // TEMPERATUREGRAPHITEM_H
diff --git a/src/trackitem.cpp b/src/trackitem.cpp
index 19c22bc2..c586c5ce 100644
--- a/src/trackitem.cpp
+++ b/src/trackitem.cpp
@@ -5,7 +5,7 @@
 #include "trackitem.h"
 
 
-QString TrackItem::toolTip(Units units)
+QString TrackItem::toolTip(Units units) const
 {
 	ToolTip tt;
 
diff --git a/src/trackitem.h b/src/trackitem.h
index 6774dda5..616a6e54 100644
--- a/src/trackitem.h
+++ b/src/trackitem.h
@@ -19,7 +19,7 @@ public:
 	void setUnits(Units units);
 
 private:
-	QString toolTip(Units units);
+	QString toolTip(Units units) const;
 
 	QString _name;
 	QString _desc;