--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/foobar2000/SDK/messageBox.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,42 @@
+#pragma once
+
+#ifndef  _WIN32
+#define IDOK                1
+#define IDCANCEL            2
+#define IDABORT             3
+#define IDRETRY             4
+#define IDIGNORE            5
+#define IDYES               6
+#define IDNO                7
+
+#define MB_OK                       0x00000000L
+#define MB_OKCANCEL                 0x00000001L
+#define MB_ABORTRETRYIGNORE         0x00000002L
+#define MB_YESNOCANCEL              0x00000003L
+#define MB_YESNO                    0x00000004L
+#define MB_RETRYCANCEL              0x00000005L
+#define MB_CANCELTRYCONTINUE        0x00000006L
+
+#define MB_ICONHAND                 0x00000010L
+#define MB_ICONQUESTION             0x00000020L
+#define MB_ICONEXCLAMATION          0x00000030L
+#define MB_ICONASTERISK             0x00000040L
+
+#define MB_DEFBUTTON1               0x00000000L
+#define MB_DEFBUTTON2               0x00000100L
+#define MB_DEFBUTTON3               0x00000200L
+#define MB_DEFBUTTON4               0x00000300L
+
+#define MB_ICONWARNING              MB_ICONEXCLAMATION
+#define MB_ICONERROR                MB_ICONHAND
+#define MB_ICONINFORMATION          MB_ICONASTERISK
+#define MB_ICONSTOP                 MB_ICONHAND
+
+#endif // ! _WIN32
+
+namespace fb2k {
+	// Minimalist MessageBox() drop-in replacement, calls popup_message_v3 method
+	// Works properly on non-Windows!
+	int messageBox(fb2k::hwnd_t, const char*, const char*, unsigned);
+	void messageBoxAsync(fb2k::hwnd_t, const char*, const char*, unsigned, std::function<void(int)> f = nullptr);
+}