pass Buffer/Window to ShowTag() by reference

returning new Buffer and passing it to Window by operator<<()
was rather bad idea since it required unnecessary copying.

1 files changed, 8 insertions, 2 deletions

diff --git a/src/helpers.h b/src/helpers.h
index 9f388e9f..0f8a0c21 100644
--- a/src/helpers.h
+++ b/src/helpers.h
@@ -95,6 +95,14 @@ template <typename C> void String2Buffer(const std::basic_string<C> &s, basic_bu
 	}
 }
 
+template <typename T> void ShowTag(T &buf, const std::string &tag)
+{
+	if (tag.empty())
+		buf << Config.empty_tags_color << Config.empty_tag << clEnd;
+	else
+		buf << tag;
+}
+
 inline bool Keypressed(int in, const int *key)
 {
 	return in == key[0] || in == key[1];
@@ -113,8 +121,6 @@ std::string GetLineValue(std::string &, char = '"', char = '"', bool = 0);
 void RemoveTheWord(std::string &s);
 std::string ExtractTopDirectory(const std::string &);
 
-Buffer ShowTag(const std::string &);
-
 #ifdef _UTF8
 std::basic_string<my_char_t> Scroller(const std::string &str, size_t &pos, size_t width);
 #endif // _UTF8