1 files changed, 21 insertions, 0 deletions
diff --git a/core/applicationstate.h b/core/applicationstate.h
new file mode 100644
index 000000000..fbaf3e829
--- /dev/null
+++ b/core/applicationstate.h
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef APPLICATIONSTATE_H
+#define APPLICATIONSTATE_H
+
+// By using an enum class, the enum entries don't polute the global namespace.
+// Moreover, they are strongly typed. This means that they are not auto-converted
+// to integer types if e.g. used as array-indices.
+enum class ApplicationState {
+	Default,
+	EditDive,
+	PlanDive,
+	EditPlannedDive,
+	EditDiveSite,
+	FilterDive,
+	Count
+};
+
+ApplicationState getAppState();
+void setAppState(ApplicationState state);
+
+#endif