From 3e330b7929948f1e69178123f403625871f457f9 Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 27 Aug 2022 14:54:45 -0500
Subject: [PATCH] Attach to the parent console to print list output on Win32

---
 app/main.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/app/main.cpp b/app/main.cpp
index e5bf7ecf..f4ceebc1 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -492,6 +492,22 @@ int main(int argc, char *argv[])
 #ifdef USE_CUSTOM_LOGGER
         // Don't log to the console since it will jumble the command output
         s_SuppressVerboseOutput = true;
+#endif
+#ifdef Q_OS_WIN32
+        // Attach to the console to be able to print output.
+        // Since we're a /SUBSYSTEM:WINDOWS app, we won't be attached by default.
+        if (AttachConsole(ATTACH_PARENT_PROCESS)) {
+            HANDLE conOut = GetStdHandle(STD_OUTPUT_HANDLE);
+            if (conOut != INVALID_HANDLE_VALUE && conOut != NULL) {
+                freopen("CONOUT$", "w", stdout);
+                setvbuf(stdout, NULL, _IONBF, 0);
+            }
+            HANDLE conErr = GetStdHandle(STD_ERROR_HANDLE);
+            if (conErr != INVALID_HANDLE_VALUE && conErr != NULL) {
+                freopen("CONOUT$", "w", stderr);
+                setvbuf(stderr, NULL, _IONBF, 0);
+            }
+        }
 #endif
         break;
     default: