1 files changed, 11 insertions, 2 deletions
diff --git a/display-gtk.h b/display-gtk.h
index f4961b301..22ff9d626 100644
--- a/display-gtk.h
+++ b/display-gtk.h
@@ -21,6 +21,17 @@ typedef struct {
 	gboolean otu;
 } visible_cols_t;
 
+typedef struct {
+	gboolean po2;
+	gboolean pn2;
+	gboolean phe;
+} enabled_graphs_t;
+
+extern visible_cols_t visible_cols;
+extern enabled_graphs_t enabled_graphs;
+
+#define GRAPHS_ENABLED (enabled_graphs.po2 || enabled_graphs.pn2 || enabled_graphs.phe)
+
 typedef enum {
 	PREF_BOOL,
 	PREF_STRING
@@ -53,8 +64,6 @@ extern void quit(GtkWidget *w, gpointer data);
 
 extern int is_default_dive_computer_device(const char *name);
 
-extern visible_cols_t visible_cols;
-
 extern const char *divelist_font;
 extern void set_divelist_font(const char *);