From b0d5a0d8fffd023dc0af4c3762949d259cc898ae Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Sun, 14 Feb 2016 16:41:40 -0500
Subject: [PATCH] Some version of MinGW doesn't seem to have Windows 7
 constants

---
 include/PianoControl.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/PianoControl.hpp b/include/PianoControl.hpp
index c01234f..3cb6dea 100644
--- a/include/PianoControl.hpp
+++ b/include/PianoControl.hpp
@@ -8,6 +8,14 @@
 #include <commctrl.h>
 #include <shellapi.h>
 
+#ifndef WM_TOUCH
+    // Because MinGW needs it.
+    #define TWF_WANTPALM 0x00000002
+    #define WM_TOUCH 0x0240
+    #define MICROSOFT_TABLETPENSERVICE_PROPERTY TEXT("MicrosoftTabletPenServiceProperty")
+    #define TOUCH_COORD_TO_PIXEL(l) ((l) / 100)
+#endif
+
 typedef BOOL (WINAPI *T_GetTouchInputInfo)(HTOUCHINPUT hTouchInput, UINT cInputs, PTOUCHINPUT pInputs, int cbSize);
 typedef BOOL (WINAPI *T_CloseTouchInputHandle)(HTOUCHINPUT hTouchInput);
 typedef BOOL (WINAPI *T_RegisterTouchWindow)(HWND hWnd, ULONG ulFlags);