Add option to make ceiling visually stand out more in the profile

While having the background "come down" seemed like a good visualization
of the ceiling, some divers appear to prefer something more dramatic. This
adds an option to the Tec Settings to have the ceiling shown in red
instead of the default background color.

Suggested-by: Jan Schubert <Jan.Schubert@GMX.li>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 16 insertions, 4 deletions

diff --git a/gtk-gui.c b/gtk-gui.c
index 4e907af5c..c2cad6c5a 100644
--- a/gtk-gui.c
+++ b/gtk-gui.c
@@ -38,6 +38,7 @@ static GtkWidget *dive_profile;
 
 visible_cols_t visible_cols = {TRUE, FALSE, };
 partial_pressure_graphs_t partial_pressure_graphs = { FALSE, FALSE, FALSE, 1.6, 4.0, 10.0};
+gboolean profile_red_ceiling = FALSE;
 
 static const char *default_dive_computer_vendor;
 static const char *default_dive_computer_product;
@@ -485,6 +486,7 @@ OPTIONCALLBACK(autogroup_toggle, autogroup)
 OPTIONCALLBACK(po2_toggle, partial_pressure_graphs.po2)
 OPTIONCALLBACK(pn2_toggle, partial_pressure_graphs.pn2)
 OPTIONCALLBACK(phe_toggle, partial_pressure_graphs.phe)
+OPTIONCALLBACK(red_ceiling_toggle, profile_red_ceiling)
 OPTIONCALLBACK(force_toggle, force_download)
 OPTIONCALLBACK(prefer_dl_toggle, prefer_downloaded)
 
@@ -680,7 +682,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 	gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 	g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(otu_toggle), NULL);
 
-	frame = gtk_frame_new(_("Show Partial Pressure Graphs in Profile"));
+	frame = gtk_frame_new(_("Profile Settings"));
 	gtk_box_pack_start(GTK_BOX(vbox), frame, FALSE, FALSE, 5);
 
 	vbox = gtk_vbox_new(FALSE, 6);
@@ -688,7 +690,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 	box = gtk_hbox_new(FALSE, 6);
 	gtk_container_add(GTK_CONTAINER(vbox), box);
 
-	button = gtk_check_button_new_with_label(_("pO" UTF8_SUBSCRIPT_2));
+	button = gtk_check_button_new_with_label(_("Show pO" UTF8_SUBSCRIPT_2 " graph"));
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), partial_pressure_graphs.po2);
 	gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 	g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(po2_toggle), &entry_po2);
@@ -705,7 +707,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 	box = gtk_hbox_new(FALSE, 6);
 	gtk_container_add(GTK_CONTAINER(vbox), box);
 
-	button = gtk_check_button_new_with_label(_("pN" UTF8_SUBSCRIPT_2));
+	button = gtk_check_button_new_with_label(_("Show pN" UTF8_SUBSCRIPT_2 " graph"));
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), partial_pressure_graphs.pn2);
 	gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 	g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(pn2_toggle), &entry_pn2);
@@ -722,7 +724,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 	box = gtk_hbox_new(FALSE, 6);
 	gtk_container_add(GTK_CONTAINER(vbox), box);
 
-	button = gtk_check_button_new_with_label(_("pHe"));
+	button = gtk_check_button_new_with_label(_("Show pHe graph"));
 	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), partial_pressure_graphs.phe);
 	gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
 	g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(phe_toggle), &entry_phe);
@@ -736,6 +738,14 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 	gtk_widget_set_sensitive(entry_phe, partial_pressure_graphs.phe);
 	gtk_container_add(GTK_CONTAINER(frame), entry_phe);
 
+	box = gtk_hbox_new(FALSE, 6);
+	gtk_container_add(GTK_CONTAINER(vbox), box);
+
+	button = gtk_check_button_new_with_label(_("Show ceiling in red"));
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), partial_pressure_graphs.phe);
+	gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 6);
+	g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(red_ceiling_toggle), &entry_phe);
+
 	gtk_widget_show_all(dialog);
 	result = gtk_dialog_run(GTK_DIALOG(dialog));
 	if (result == GTK_RESPONSE_ACCEPT) {
@@ -781,6 +791,7 @@ static void preferences_dialog(GtkWidget *w, gpointer data)
 		subsurface_set_conf("po2threshold", PREF_STRING, po2_threshold_text);
 		subsurface_set_conf("pn2threshold", PREF_STRING, pn2_threshold_text);
 		subsurface_set_conf("phethreshold", PREF_STRING, phe_threshold_text);
+		subsurface_set_conf("redceiling", PREF_BOOL, BOOL_TO_PTR(profile_red_ceiling));
 
 		new_default = strdup(gtk_button_get_label(GTK_BUTTON(xmlfile_button)));
 
@@ -1141,6 +1152,7 @@ void init_ui(int *argcp, char ***argvp)
 	conf_value = subsurface_get_conf("phethreshold", PREF_STRING);
 	if (conf_value)
 		sscanf(conf_value, "%lf", &partial_pressure_graphs.phe_threshold);
+	profile_red_ceiling = PTR_TO_BOOL(subsurface_get_conf("redceiling", PREF_BOOL));
 	divelist_font = subsurface_get_conf("divelist_font", PREF_STRING);
 	autogroup = PTR_TO_BOOL(subsurface_get_conf("autogroup", PREF_BOOL));
 	default_filename = subsurface_get_conf("default_filename", PREF_STRING);