ClangFormat: Improve current style detection

Check first if the current project already has .clang-format
configuration file.

Change-Id: Ic8cb5d37c32cd5b0c04485589caea95de933c264
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

1 files changed, 9 insertions, 2 deletions

diff --git a/src/plugins/clangformat/clangformatutils.cpp b/src/plugins/clangformat/clangformatutils.cpp
index 9302e15361..39ebe5366d 100644
--- a/src/plugins/clangformat/clangformatutils.cpp
+++ b/src/plugins/clangformat/clangformatutils.cpp
@@ -172,10 +172,17 @@ clang::format::FormatStyle currentGlobalStyle()
     return currentStyle(true);
 }
 
+static bool isCurrentStyleGlobal()
+{
+    Utils::FileName path = projectStylePath();
+    if (path.appendPath(".clang-format").exists())
+        return false;
+    return !CppCodeStyleSettings::currentProjectCodeStyle().has_value();
+}
+
 clang::format::FormatStyle currentStyle()
 {
-    const bool isGlobal = !CppCodeStyleSettings::currentProjectCodeStyle().has_value();
-    return currentStyle(isGlobal);
+    return currentStyle(isCurrentStyleGlobal());
 }
 
 }