Split report_dives into UI and logic and move to divelist files

Functionality is unchanged, except we now have a nice process_dives
function that deals with all the logic and that gets called from
report_dives from the Gtk code.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

5 files changed, 132 insertions, 129 deletions

diff --git a/dive.h b/dive.h
index 0209197fb..f2153587f 100644
--- a/dive.h
+++ b/dive.h
@@ -589,7 +589,6 @@ extern struct sample *prepare_sample(struct divecomputer *dc);
 extern void finish_sample(struct divecomputer *dc);
 
 extern void sort_table(struct dive_table *table);
-extern void report_dives(gboolean imported, gboolean prefer_imported);
 extern struct dive *fixup_dive(struct dive *dive);
 extern unsigned int dc_airtemp(struct divecomputer *dc);
 extern struct dive *merge_dives(struct dive *a, struct dive *b, int offset, gboolean prefer_downloaded);
diff --git a/divelist-gtk.c b/divelist-gtk.c
index 189b75ba1..e1482ee06 100644
--- a/divelist-gtk.c
+++ b/divelist-gtk.c
@@ -801,7 +801,6 @@ static gint gtk_dive_nr_sort(GtkTreeModel *model,
 	return dive_nr_sort(idx_a, idx_b, when_a, when_b);
 }
 
-
 static struct divelist_column {
 	const char *header;
 	data_func_t data;
@@ -895,6 +894,12 @@ static void row_activated_cb(GtkTreeView *tree_view,
 	edit_dive_info(get_dive(index), FALSE);
 }
 
+void report_dives(bool is_imported, bool prefer_imported)
+{
+	process_dives(is_imported, prefer_imported);
+	dive_list_update_dives();
+}
+
 void add_dive_cb(GtkWidget *menuitem, gpointer data)
 {
 	struct dive *dive;
diff --git a/divelist.c b/divelist.c
index 577750399..bd1e90224 100644
--- a/divelist.c
+++ b/divelist.c
@@ -935,3 +935,124 @@ void remove_autogen_trips()
 	}
 }
 
+/*
+ * When adding dives to the dive table, we try to renumber
+ * the new dives based on any old dives in the dive table.
+ *
+ * But we only do it if:
+ *
+ *  - there are no dives in the dive table
+ *
+ *  OR
+ *
+ *  - the last dive in the old dive table was numbered
+ *
+ *  - all the new dives are strictly at the end (so the
+ *    "last dive" is at the same location in the dive table
+ *    after re-sorting the dives.
+ *
+ *  - none of the new dives have any numbers
+ *
+ * This catches the common case of importing new dives from
+ * a dive computer, and gives them proper numbers based on
+ * your old dive list. But it tries to be very conservative
+ * and not give numbers if there is *any* question about
+ * what the numbers should be - in which case you need to do
+ * a manual re-numbering.
+ */
+static void try_to_renumber(struct dive *last, int preexisting)
+{
+	int i, nr;
+
+	/*
+	 * If the new dives aren't all strictly at the end,
+	 * we're going to expect the user to do a manual
+	 * renumbering.
+	 */
+	if (preexisting && get_dive(preexisting-1) != last)
+		return;
+
+	/*
+	 * If any of the new dives already had a number,
+	 * we'll have to do a manual renumbering.
+	 */
+	for (i = preexisting; i < dive_table.nr; i++) {
+		struct dive *dive = get_dive(i);
+		if (dive->number)
+			return;
+	}
+
+	/*
+	 * Ok, renumber..
+	 */
+	if (last)
+		nr = last->number;
+	else
+		nr = 0;
+	for (i = preexisting; i < dive_table.nr; i++) {
+		struct dive *dive = get_dive(i);
+		dive->number = ++nr;
+	}
+}
+
+void process_dives(bool is_imported, bool prefer_imported)
+{
+		int i;
+	int preexisting = dive_table.preexisting;
+	struct dive *last;
+
+	/* check if we need a nickname for the divecomputer for newly downloaded dives;
+	 * since we know they all came from the same divecomputer we just check for the
+	 * first one */
+	if (preexisting < dive_table.nr && dive_table.dives[preexisting]->downloaded)
+		set_dc_nickname(dive_table.dives[preexisting]);
+	else
+		/* they aren't downloaded, so record / check all new ones */
+		for (i = preexisting; i < dive_table.nr; i++)
+			set_dc_nickname(dive_table.dives[i]);
+
+	/* This does the right thing for -1: NULL */
+	last = get_dive(preexisting-1);
+
+	sort_table(&dive_table);
+
+	for (i = 1; i < dive_table.nr; i++) {
+		struct dive **pp = &dive_table.dives[i-1];
+		struct dive *prev = pp[0];
+		struct dive *dive = pp[1];
+		struct dive *merged;
+
+		/* only try to merge overlapping dives - or if one of the dives has
+		 * zero duration (that might be a gps marker from the webservice) */
+		if (prev->duration.seconds && dive->duration.seconds &&
+		    prev->when + prev->duration.seconds < dive->when)
+			continue;
+
+		merged = try_to_merge(prev, dive, prefer_imported);
+		if (!merged)
+			continue;
+
+		/* careful - we might free the dive that last points to. Oops... */
+		if (last == prev || last == dive)
+			last = merged;
+
+		/* Redo the new 'i'th dive */
+		i--;
+		add_single_dive(i, merged);
+		delete_single_dive(i+1);
+		delete_single_dive(i+1);
+	}
+	/* make sure no dives are still marked as downloaded */
+	for (i = 1; i < dive_table.nr; i++)
+		dive_table.dives[i]->downloaded = FALSE;
+
+	if (is_imported) {
+		/* If there are dives in the table, are they numbered */
+		if (!last || last->number)
+			try_to_renumber(last, preexisting);
+
+		/* did we add dives to the dive table? */
+		if (preexisting != dive_table.nr)
+			mark_divelist_changed(TRUE);
+	}
+}
diff --git a/divelist.h b/divelist.h
index 014c4e0ee..e3ff1be09 100644
--- a/divelist.h
+++ b/divelist.h
@@ -4,8 +4,12 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
+
+#include <stdbool.h>
+
 struct dive;
 
+extern void report_dives(bool imported, bool prefer_imported);
 extern void dive_list_update_dives(void);
 extern void update_dive_list_col_visibility(void);
 extern void update_dive_list_units(void);
@@ -21,6 +25,7 @@ extern double init_decompression(struct dive * dive);
 extern void export_all_dives_uddf_cb();
 
 /* divelist core logic functions */
+extern void process_dives(bool imported, bool prefer_imported);
 extern char *get_dive_date_string(struct tm *tm);
 extern char *get_trip_date_string(struct tm *tm, int nr);
 extern void clear_trip_indexes(void);
diff --git a/main.c b/main.c
index bf3bc0851..40492a7e1 100644
--- a/main.c
+++ b/main.c
@@ -81,137 +81,10 @@ const char *monthname(int mon)
 }
 
 /*
- * When adding dives to the dive table, we try to renumber
- * the new dives based on any old dives in the dive table.
- *
- * But we only do it if:
- *
- *  - there are no dives in the dive table
- *
- *  OR
- *
- *  - the last dive in the old dive table was numbered
- *
- *  - all the new dives are strictly at the end (so the
- *    "last dive" is at the same location in the dive table
- *    after re-sorting the dives.
- *
- *  - none of the new dives have any numbers
- *
- * This catches the common case of importing new dives from
- * a dive computer, and gives them proper numbers based on
- * your old dive list. But it tries to be very conservative
- * and not give numbers if there is *any* question about
- * what the numbers should be - in which case you need to do
- * a manual re-numbering.
- */
-static void try_to_renumber(struct dive *last, int preexisting)
-{
-	int i, nr;
-
-	/*
-	 * If the new dives aren't all strictly at the end,
-	 * we're going to expect the user to do a manual
-	 * renumbering.
-	 */
-	if (preexisting && get_dive(preexisting-1) != last)
-		return;
-
-	/*
-	 * If any of the new dives already had a number,
-	 * we'll have to do a manual renumbering.
-	 */
-	for (i = preexisting; i < dive_table.nr; i++) {
-		struct dive *dive = get_dive(i);
-		if (dive->number)
-			return;
-	}
-
-	/*
-	 * Ok, renumber..
-	 */
-	if (last)
-		nr = last->number;
-	else
-		nr = 0;
-	for (i = preexisting; i < dive_table.nr; i++) {
-		struct dive *dive = get_dive(i);
-		dive->number = ++nr;
-	}
-}
-
-/*
  * track whether we switched to importing dives
  */
 static gboolean imported = FALSE;
 
-/*
- * This doesn't really report anything at all. We just sort the
- * dives, the GUI does the reporting
- */
-void report_dives(gboolean is_imported, gboolean prefer_imported)
-{
-	int i;
-	int preexisting = dive_table.preexisting;
-	struct dive *last;
-
-	/* check if we need a nickname for the divecomputer for newly downloaded dives;
-	 * since we know they all came from the same divecomputer we just check for the
-	 * first one */
-	if (preexisting < dive_table.nr && dive_table.dives[preexisting]->downloaded)
-		set_dc_nickname(dive_table.dives[preexisting]);
-	else
-		/* they aren't downloaded, so record / check all new ones */
-		for (i = preexisting; i < dive_table.nr; i++)
-			set_dc_nickname(dive_table.dives[i]);
-
-	/* This does the right thing for -1: NULL */
-	last = get_dive(preexisting-1);
-
-	sort_table(&dive_table);
-
-	for (i = 1; i < dive_table.nr; i++) {
-		struct dive **pp = &dive_table.dives[i-1];
-		struct dive *prev = pp[0];
-		struct dive *dive = pp[1];
-		struct dive *merged;
-
-		/* only try to merge overlapping dives - or if one of the dives has
-		 * zero duration (that might be a gps marker from the webservice) */
-		if (prev->duration.seconds && dive->duration.seconds &&
-		    prev->when + prev->duration.seconds < dive->when)
-			continue;
-
-		merged = try_to_merge(prev, dive, prefer_imported);
-		if (!merged)
-			continue;
-
-		/* careful - we might free the dive that last points to. Oops... */
-		if (last == prev || last == dive)
-			last = merged;
-
-		/* Redo the new 'i'th dive */
-		i--;
-		add_single_dive(i, merged);
-		delete_single_dive(i+1);
-		delete_single_dive(i+1);
-	}
-	/* make sure no dives are still marked as downloaded */
-	for (i = 1; i < dive_table.nr; i++)
-		dive_table.dives[i]->downloaded = FALSE;
-
-	if (is_imported) {
-		/* If there are dives in the table, are they numbered */
-		if (!last || last->number)
-			try_to_renumber(last, preexisting);
-
-		/* did we add dives to the dive table? */
-		if (preexisting != dive_table.nr)
-			mark_divelist_changed(TRUE);
-	}
-	dive_list_update_dives();
-}
-
 static void parse_argument(const char *arg)
 {
 	const char *p = arg+1;