From 41abab72533a31affe7746568e3d6fc3d8f94981 Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Sun, 23 Feb 2014 14:32:25 -0800
Subject: Calculate minimum and maximum heartrate

And setup the axis accordingly.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 display.h                        |  1 +
 profile.c                        | 10 ++++++++++
 qt-ui/profile/profilewidget2.cpp | 12 ++++++++----
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/display.h b/display.h
index 5068027ce..30fd2067a 100644
--- a/display.h
+++ b/display.h
@@ -19,6 +19,7 @@ struct plot_info {
 	int maxtime;
 	int meandepth, maxdepth;
 	int minpressure, maxpressure;
+	int minhr, maxhr;
 	int mintemp, maxtemp;
 	double endtempcoord;
 	double maxpp;
diff --git a/profile.c b/profile.c
index 3b0018a4d..5cb9564dd 100644
--- a/profile.c
+++ b/profile.c
@@ -736,6 +736,7 @@ struct plot_info calculate_max_limits_new(struct dive *dive, struct divecomputer
 	int maxdepth = dive->maxdepth.mm;
 	int maxtime = 0;
 	int maxpressure = 0, minpressure = INT_MAX;
+	int maxhr = 0, minhr = INT_MAX;
 	int mintemp = dive->mintemp.mkelvin;
 	int maxtemp = dive->maxtemp.mkelvin;
 	int cyl;
@@ -757,6 +758,7 @@ struct plot_info calculate_max_limits_new(struct dive *dive, struct divecomputer
 			int depth = s->depth.mm;
 			int pressure = s->cylinderpressure.mbar;
 			int temperature = s->temperature.mkelvin;
+			int heartbeat = s->heartbeat;
 
 			if (!mintemp && temperature < mintemp)
 				mintemp = temperature;
@@ -767,6 +769,10 @@ struct plot_info calculate_max_limits_new(struct dive *dive, struct divecomputer
 				minpressure = pressure;
 			if (pressure > maxpressure)
 				maxpressure = pressure;
+			if (heartbeat > maxhr)
+				maxhr = heartbeat;
+			if (heartbeat < minhr)
+				minhr = heartbeat;
 
 			if (depth > maxdepth)
 				maxdepth = s->depth.mm;
@@ -780,12 +786,16 @@ struct plot_info calculate_max_limits_new(struct dive *dive, struct divecomputer
 
 	if (minpressure > maxpressure)
 		minpressure = 0;
+	if (minhr > maxhr)
+		minhr = 0;
 
 	memset(&pi, 0, sizeof(pi));
 	pi.maxdepth = maxdepth;
 	pi.maxtime = maxtime;
 	pi.maxpressure = maxpressure;
 	pi.minpressure = minpressure;
+	pi.minhr = minhr;
+	pi.maxhr = maxhr;
 	pi.mintemp = mintemp;
 	pi.maxtemp = maxtemp;
 	return pi;
diff --git a/qt-ui/profile/profilewidget2.cpp b/qt-ui/profile/profilewidget2.cpp
index 9152f1c76..a8f1e0e33 100644
--- a/qt-ui/profile/profilewidget2.cpp
+++ b/qt-ui/profile/profilewidget2.cpp
@@ -345,10 +345,14 @@ void ProfileWidget2::plotDives(QList<dive*> dives)
 	temperatureAxis->setMinimum(pInfo.mintemp);
 	temperatureAxis->setMaximum(pInfo.maxtemp);
 
-	heartBeatAxis->setMinimum(20); // FIXME: find minimum
-	heartBeatAxis->setMaximum(200); // FIXME: find maximum
-	heartBeatAxis->updateTicks(); // this shows the ticks
-
+	if (pInfo.maxhr) {
+		heartBeatAxis->setMinimum(pInfo.minhr);
+		heartBeatAxis->setMaximum(pInfo.maxhr);
+		heartBeatAxis->updateTicks(); // this shows the ticks
+		heartBeatAxis->setVisible(true);
+	} else {
+		heartBeatAxis->setVisible(false);
+	}
 	timeAxis->setMaximum(maxtime);
 
 	int i, incr;
-- 
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