3 files changed, 118 insertions, 0 deletions
diff --git a/backend-shared/CMakeLists.txt b/backend-shared/CMakeLists.txt
index b6502bfdf..fdfdb1e05 100644
--- a/backend-shared/CMakeLists.txt
+++ b/backend-shared/CMakeLists.txt
@@ -3,6 +3,8 @@
 set(BACKEND_SRCS
 	exportfuncs.cpp
 	exportfuncs.h
+	plannershared.cpp
+	plannershared.h
 )
 
 add_library(subsurface_backend_shared STATIC ${BACKEND_SRCS})
diff --git a/backend-shared/plannershared.cpp b/backend-shared/plannershared.cpp
new file mode 100644
index 000000000..ff95b9e0e
--- /dev/null
+++ b/backend-shared/plannershared.cpp
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "plannershared.h"
+#include "core/pref.h"
+#include "core/settings/qPrefDivePlanner.h"
+
+
+plannerShared *plannerShared::instance()
+{
+    static plannerShared *self = new plannerShared;
+    return self;
+}
+
+// Used to convert between meter/feet and keep the qPref variables independent
+#define TO_MM_BY_SEC ((prefs.units.length == units::METERS) ? 1000.0 / 60.0 : feet_to_mm(1.0) / 60.0)
+
+// Converted meter/feet qPrefDivePlanner values
+int plannerShared::ascratelast6m()
+{
+	return lrint(prefs.ascratelast6m / TO_MM_BY_SEC);
+}
+void plannerShared::set_ascratelast6m(int value)
+{
+	qPrefDivePlanner::set_ascratelast6m(value * TO_MM_BY_SEC);
+}
+
+int plannerShared::ascratestops()
+{
+	return lrint(prefs.ascratestops / TO_MM_BY_SEC);
+}
+void plannerShared::set_ascratestops(int value)
+{
+	qPrefDivePlanner::set_ascratestops(value * TO_MM_BY_SEC);
+}
+
+int plannerShared::ascrate50()
+{
+	return lrint(prefs.ascrate50 / TO_MM_BY_SEC);
+}
+void plannerShared::set_ascrate50(int value)
+{
+	qPrefDivePlanner::set_ascrate50(value * TO_MM_BY_SEC);
+}
+
+int plannerShared::ascrate75()
+{
+	return lrint(prefs.ascrate75 / TO_MM_BY_SEC);
+}
+void plannerShared::set_ascrate75(int value)
+{
+	qPrefDivePlanner::set_ascrate75(value * TO_MM_BY_SEC);
+}
+
+int plannerShared::descrate()
+{
+	return lrint(prefs.descrate / TO_MM_BY_SEC);
+}
+void plannerShared::set_descrate(int value)
+{
+	qPrefDivePlanner::set_descrate(value * TO_MM_BY_SEC);
+}
+
diff --git a/backend-shared/plannershared.h b/backend-shared/plannershared.h
new file mode 100644
index 000000000..136eb9cdf
--- /dev/null
+++ b/backend-shared/plannershared.h
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef PLANNERSHARED_H
+#define PLANNERSHARED_H
+#include <QObject>
+
+// This is a shared class (mobile/desktop), and contains the core of the diveplanner
+// without UI entanglement.
+// It make variables and functions available to QML, these are referenced directly
+// in the desktop version
+//
+// The mobile diveplanner shows all diveplans, but the editing functionality is
+// limited to keep the UI simpler.
+
+class plannerShared: public QObject {
+	Q_OBJECT
+
+	// Ascend/Descend data, converted to meter/feet depending on user selection
+	// Settings these will automatically update the corresponding qPrefDivePlanner
+	// Variables
+	Q_PROPERTY(int ascratelast6m READ ascratelast6m WRITE set_ascratelast6m NOTIFY ascratelast6mChanged);
+	Q_PROPERTY(int ascratestops READ ascratestops WRITE set_ascratestops NOTIFY ascratestopsChanged);
+	Q_PROPERTY(int ascrate50 READ ascrate50 WRITE set_ascrate50 NOTIFY ascrate50Changed);
+	Q_PROPERTY(int ascrate75 READ ascrate75 WRITE set_ascrate75 NOTIFY ascrate75Changed);
+	Q_PROPERTY(int descrate READ descrate WRITE set_descrate NOTIFY descrateChanged);
+public:
+	static plannerShared *instance();
+
+	// Ascend/Descend data, converted to meter/feet depending on user selection
+	static int ascratelast6m();
+	static int ascratestops();
+	static int ascrate50();
+	static int ascrate75();
+	static int descrate();
+
+public slots:
+	// Ascend/Descend data, converted to meter/feet depending on user selection
+	static void set_ascratelast6m(int value);
+	static void set_ascratestops(int value);
+	static void set_ascrate50(int value);
+	static void set_ascrate75(int value);
+	static void set_descrate(int value);
+
+signals:
+	// Ascend/Descend data, converted to meter/feet depending on user selection
+	void ascratelast6mChanged(int value);
+	void ascratestopsChanged(int value);
+	void ascrate50Changed(int value);
+	void ascrate75Changed(int value);
+	void descrateChanged(int value);
+
+private:
+	plannerShared() {}
+};
+
+#endif // PLANNERSHARED_H