From d21cf0869ef064a6d6e607d1e103003b8c696b92 Mon Sep 17 00:00:00 2001
From: Bob Polis <bob.polis@gmail.com>
Date: Sun, 28 Jan 2024 22:58:33 +0100
Subject: [PATCH] Add true color detection

---
 premake.make  | 2 +-
 src/utils.cpp | 6 ++++++
 src/utils.hpp | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/premake.make b/premake.make
index 0ba580e..971486e 100644
--- a/premake.make
+++ b/premake.make
@@ -1,7 +1,7 @@
 LDLIBS := -lscerror -lm
 
 MAJOR := 1
-MINOR := 1
+MINOR := 2
 PATCH := 0
 
 GENERATELIBHEADER := 1
diff --git a/src/utils.cpp b/src/utils.cpp
index 2c04ad8..34eba14 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -60,6 +60,12 @@ void term::progress(int prefixlen,
     *_out << ' ' << std::setw(3) << perc << '%';
 }
 
+bool term::has_truecolor() const {
+    char* tc = getenv("COLORTERM");
+    std::string colorterm {tc ? tc : ""};
+    return colorterm.size() > 0 && (colorterm == "truecolor" || colorterm == "24bit");
+}
+
 // ------------------------------------------------------------------------
 
 cursor_hider::cursor_hider(std::ostream* out) : _out {out} {
diff --git a/src/utils.hpp b/src/utils.hpp
index e9afd39..eced5ad 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -24,6 +24,8 @@ namespace sc {
                           const std::string& prefix,
                           double cur,
                           double total) const;
+
+            bool has_truecolor() const;
     };
 
     class cursor_hider {