Support different salinity in planner

Depth is often mentioned in a length unit, but what we care about is
pressure. When diving in fresh water the pressure is lower than the same
depth in salt water. This adds support for using different salinities in
planning.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

5 files changed, 86 insertions, 29 deletions

diff --git a/dive.h b/dive.h
index 70c418706..482af6fa7 100644
--- a/dive.h
+++ b/dive.h
@@ -766,6 +766,7 @@ struct diveplan {
 	int surface_pressure; /* mbar */
 	int bottomsac;	/* ml/min */
 	int decosac;	  /* ml/min */
+	int salinity;
 	short gflow;
 	short gfhigh;
 	struct divedatapoint *dp;
diff --git a/planner.c b/planner.c
index a4181907e..6f09b8e5f 100644
--- a/planner.c
+++ b/planner.c
@@ -259,6 +259,7 @@ static void create_dive_from_plan(struct diveplan *diveplan, bool track_gas)
 	printf("in create_dive_from_plan\n");
 	dump_plan(diveplan);
 #endif
+	displayed_dive.salinity = diveplan->salinity;
 	// reset the cylinders and clear out the samples and events of the
 	// displayed dive so we can restart
 	reset_cylinders(&displayed_dive, track_gas);
diff --git a/qt-ui/diveplanner.cpp b/qt-ui/diveplanner.cpp
index d825c6e84..b8d251c2c 100644
--- a/qt-ui/diveplanner.cpp
+++ b/qt-ui/diveplanner.cpp
@@ -297,6 +297,7 @@ DivePlannerWidget::DivePlannerWidget(QWidget *parent, Qt::WindowFlags f) : QWidg
 	connect(ui.dateEdit, SIGNAL(dateChanged(QDate)), plannerModel, SLOT(setStartDate(QDate)));
 	connect(ui.ATMPressure, SIGNAL(valueChanged(int)), this, SLOT(atmPressureChanged(int)));
 	connect(ui.atmHeight, SIGNAL(valueChanged(int)), this, SLOT(heightChanged(int)));
+	connect(ui.salinity, SIGNAL(valueChanged(double)), this, SLOT(salinityChanged(double)));
 	connect(DivePlannerPointsModel::instance(), SIGNAL(startTimeChanged(QDateTime)), this, SLOT(setupStartTime(QDateTime)));
 
 	// Creating (and canceling) the plan
@@ -367,6 +368,12 @@ void DivePlannerWidget::heightChanged(const int height)
 	plannerModel->setSurfacePressure(pressure);
 }
 
+void DivePlannerWidget::salinityChanged(const double salinity)
+{
+	/* Salinity is expressed in weight in grams per 10l */
+	plannerModel->setSalinity(10000 * salinity);
+}
+
 void PlannerSettingsWidget::bottomSacChanged(const double bottomSac)
 {
 	plannerModel->setBottomSac(bottomSac);
@@ -786,6 +793,12 @@ void DivePlannerPointsModel::setSurfacePressure(int pressure)
 	emit dataChanged(createIndex(0, 0), createIndex(rowCount() - 1, COLUMNS - 1));
 }
 
+void DivePlannerPointsModel::setSalinity(int salinity)
+{
+	diveplan.salinity = salinity;
+	emit dataChanged(createIndex(0, 0), createIndex(rowCount() - 1, COLUMNS - 1));
+}
+
 int DivePlannerPointsModel::getSurfacePressure()
 {
 	return diveplan.surface_pressure;
diff --git a/qt-ui/diveplanner.h b/qt-ui/diveplanner.h
index c613ae210..bca0deb78 100644
--- a/qt-ui/diveplanner.h
+++ b/qt-ui/diveplanner.h
@@ -70,6 +70,7 @@ slots:
 	void setGFLow(const int ghflow);
 	void triggerGFLow();
 	void setSurfacePressure(int pressure);
+	void setSalinity(int salinity);
 	int getSurfacePressure();
 	void setBottomSac(double sac);
 	void setDecoSac(double sac);
@@ -146,6 +147,7 @@ slots:
 	void settingsChanged();
 	void atmPressureChanged(const int pressure);
 	void heightChanged(const int height);
+	void salinityChanged(const double salinity);
 	void printDecoPlan();
 
 private:
diff --git a/qt-ui/diveplanner.ui b/qt-ui/diveplanner.ui
index 54abcc35a..0edd742fa 100644
--- a/qt-ui/diveplanner.ui
+++ b/qt-ui/diveplanner.ui
@@ -65,7 +65,7 @@
        <property name="spacing">
         <number>2</number>
        </property>
-       <item row="6" column="0" colspan="2">
+       <item row="5" column="0" colspan="3">
         <widget class="TableView" name="tableWidget" native="true">
          <property name="sizePolicy">
           <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
@@ -81,7 +81,7 @@
          </property>
         </widget>
        </item>
-       <item row="5" column="0" colspan="2">
+       <item row="4" column="0" colspan="3">
         <widget class="TableView" name="cylinderTableWidget" native="true">
          <property name="sizePolicy">
           <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
@@ -110,7 +110,30 @@
          </property>
         </widget>
        </item>
+       <item row="1" column="0">
+        <widget class="QDateEdit" name="dateEdit">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="calendarPopup">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
        <item row="1" column="1">
+        <widget class="QTimeEdit" name="startTime">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+        </widget>
+       </item>
+       <item row="1" column="2">
         <widget class="QDialogButtonBox" name="buttonBox">
          <property name="sizePolicy">
           <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
@@ -123,33 +146,6 @@
          </property>
         </widget>
        </item>
-       <item row="1" column="0">
-        <layout class="QHBoxLayout" name="dateAndTime">
-         <item>
-          <widget class="QDateEdit" name="dateEdit">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="calendarPopup">
-            <bool>true</bool>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QTimeEdit" name="startTime">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-          </widget>
-         </item>
-        </layout>
-       </item>
        <item row="2" column="0">
         <widget class="QLabel" name="label_7">
          <property name="text">
@@ -164,8 +160,21 @@
          </property>
         </widget>
        </item>
+       <item row="2" column="2">
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Salinity</string>
+         </property>
+        </widget>
+       </item>
        <item row="3" column="1">
         <widget class="QSpinBox" name="ATMPressure">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="suffix">
           <string>mbar</string>
          </property>
@@ -179,6 +188,12 @@
        </item>
        <item row="3" column="0">
         <widget class="QSpinBox" name="atmHeight">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="suffix">
           <string>m</string>
          </property>
@@ -193,6 +208,31 @@
          </property>
         </widget>
        </item>
+       <item row="3" column="2">
+        <widget class="QDoubleSpinBox" name="salinity">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="suffix">
+          <string> kg/ℓ</string>
+         </property>
+         <property name="minimum">
+          <double>1.000000000000000</double>
+         </property>
+         <property name="maximum">
+          <double>1.050000000000000</double>
+         </property>
+         <property name="singleStep">
+          <double>0.010000000000000</double>
+         </property>
+         <property name="value">
+          <double>1.030000000000000</double>
+         </property>
+        </widget>
+       </item>
       </layout>
      </widget>
     </widget>