mobile: add GF fields for ceiling calculation

Adds fields to the advanced preferences page to modify GFLow and GFHigh for
the Buhlmann decompression model for calculating ceilings. Updated preferences
code to set the Buhlmann parameters in core/deco.c when the GF prefs are
updated.

Signed-off-by: Doug Junkins <douglas.junkins@gmail.com>

5 files changed, 30 insertions, 2 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab1af0b46..09fa80f2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+- mobile: add GF fields to adjust Buhlmann algorithm parameters for calculated ceiling
 - undo: save to git after editing weights [#3159]
 - undo: reset dive-mode on undo of set-point addition
 - desktop: complete rewrite of the statistics code, significantly expanding capabilities
diff --git a/core/settings/qPrefTechnicalDetails.cpp b/core/settings/qPrefTechnicalDetails.cpp
index 2db4898ae..3c616170d 100644
--- a/core/settings/qPrefTechnicalDetails.cpp
+++ b/core/settings/qPrefTechnicalDetails.cpp
@@ -62,6 +62,7 @@ void qPrefTechnicalDetails::set_gfhigh(int value)
 	if (value != prefs.gfhigh) {
 		prefs.gfhigh = value;
 		disk_gfhigh(true);
+		set_gf(-1, prefs.gfhigh);
 		emit instance()->gfhighChanged(value);
 	}
 }
@@ -82,6 +83,7 @@ void qPrefTechnicalDetails::set_gflow(int value)
 	if (value != prefs.gflow) {
 		prefs.gflow = value;
 		disk_gflow(true);
+		set_gf(prefs.gflow, -1);
 		emit instance()->gflowChanged(value);
 	}
 }
diff --git a/desktop-widgets/preferences/preferences_graph.cpp b/desktop-widgets/preferences/preferences_graph.cpp
index b7fd5b4b9..687a8d84e 100644
--- a/desktop-widgets/preferences/preferences_graph.cpp
+++ b/desktop-widgets/preferences/preferences_graph.cpp
@@ -68,7 +68,6 @@ void PreferencesGraph::syncSettings()
 	prefs.planner_deco_mode = ui->buehlmann->isChecked() ? BUEHLMANN : VPMB;
 	qPrefTechnicalDetails::set_gflow(ui->gflow->value());
 	qPrefTechnicalDetails::set_gfhigh(ui->gfhigh->value());
-	set_gf(ui->gflow->value(), ui->gfhigh->value());
 	qPrefTechnicalDetails::set_vpmb_conservatism(ui->vpmb_conservatism->value());
 	set_vpmb_conservatism(ui->vpmb_conservatism->value());
 	qPrefTechnicalDetails::set_show_ccr_setpoint(ui->show_ccr_setpoint->isChecked());
diff --git a/mobile-widgets/qml/Settings.qml b/mobile-widgets/qml/Settings.qml
index 3d28bec2a..46c9d2aa6 100644
--- a/mobile-widgets/qml/Settings.qml
+++ b/mobile-widgets/qml/Settings.qml
@@ -622,7 +622,7 @@ TemplatePage {
 					checked: PrefTechnicalDetails.dcceiling
 					onClicked: {
 						PrefTechnicalDetails.dcceiling = checked
-						rootItem.settingChanged()
+						rootItem.settingsChanged()
 					}
 				}
 				TemplateLabel {
@@ -635,6 +635,30 @@ TemplatePage {
 						rootItem.settingsChanged()
 					}
 				}
+				TemplateLabel {
+					text: qsTr("GFLow")
+				}
+				TemplateTextField {
+					id: gfLow
+					text: PrefTechnicalDetails.gflow
+					inputMask: "99"
+					onEditingFinished: {
+						PrefTechnicalDetails.gflow = gfLow.text
+						rootItem.settingsChanged()
+					}
+				}
+				TemplateLabel {
+					text: qsTr("GFHigh")
+				}
+				TemplateTextField {
+					id: gfHigh
+					text: PrefTechnicalDetails.gfhigh
+					inputMask: "99"
+					onEditingFinished: {
+						PrefTechnicalDetails.gfhigh = gfHigh.text
+						rootItem.settingsChanged()
+					}
+				}
 			}
 			TemplateLine {
 				visible: sectionAdvanced.isExpanded
diff --git a/profile-widget/profilewidget2.cpp b/profile-widget/profilewidget2.cpp
index 4759c007a..043c39258 100644
--- a/profile-widget/profilewidget2.cpp
+++ b/profile-widget/profilewidget2.cpp
@@ -185,6 +185,8 @@ ProfileWidget2::ProfileWidget2(QWidget *parent) : QGraphicsView(parent),
 	auto tec = qPrefTechnicalDetails::instance();
 	connect(tec, &qPrefTechnicalDetails::calcalltissuesChanged           , this, &ProfileWidget2::actionRequestedReplot);
 	connect(tec, &qPrefTechnicalDetails::calcceilingChanged              , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::gflowChanged                    , this, &ProfileWidget2::actionRequestedReplot);
+	connect(tec, &qPrefTechnicalDetails::gfhighChanged                   , this, &ProfileWidget2::actionRequestedReplot);
 	connect(tec, &qPrefTechnicalDetails::dcceilingChanged                , this, &ProfileWidget2::actionRequestedReplot);
 	connect(tec, &qPrefTechnicalDetails::eadChanged                      , this, &ProfileWidget2::actionRequestedReplot);
 	connect(tec, &qPrefTechnicalDetails::calcceiling3mChanged            , this, &ProfileWidget2::actionRequestedReplot);