degesch: show active buffers in prompt

1 files changed, 30 insertions, 2 deletions

diff --git a/degesch.c b/degesch.c
index 358e592..1786770 100644
--- a/degesch.c
+++ b/degesch.c
@@ -1216,6 +1216,31 @@ irc_establish_connection (struct app_context *ctx,
 
 // --- More readline funky stuff -----------------------------------------------
 
+static char *
+get_unseen_prefix (struct app_context *ctx)
+{
+	struct str active_buffers;
+	str_init (&active_buffers);
+
+	size_t i = 0;
+	LIST_FOR_EACH (struct buffer, iter, ctx->buffers)
+	{
+		i++;
+		if (!iter->unseen_messages_count)
+			continue;
+
+		if (active_buffers.len)
+			str_append_c (&active_buffers, ',');
+		str_append_printf (&active_buffers, "%zu", i);
+	}
+
+	if (active_buffers.len)
+		return str_steal (&active_buffers);
+
+	str_free (&active_buffers);
+	return NULL;
+}
+
 static void
 refresh_prompt (struct app_context *ctx)
 {
@@ -1229,8 +1254,11 @@ refresh_prompt (struct app_context *ctx)
 	else
 	{
 		str_append_c (&prompt, '[');
-		// TODO: go through all buffers and prepend the active ones,
-		//   such as "(1,4) "
+
+		char *unseen_prefix = get_unseen_prefix (ctx);
+		if (unseen_prefix)
+			str_append_printf (&prompt, "(%s) ", unseen_prefix);
+		free (unseen_prefix);
 
 		// TODO: name of the current buffer
 		// TODO: the channel user mode