From 23613f66511be15d205d5bd7bb49883ad8c66624 Mon Sep 17 00:00:00 2001
From: Jinrong Xie <jrxie@ucdavis.edu>
Date: Mon, 29 Jun 2015 10:09:42 +0000
Subject: [PATCH] update CMake file so that it will generate proper
 _WIN32_WINNT and WINVER definitions in visual studio
 project setting.

(cherry picked from commit 96e89316b6de6502522f1527b0e132e731af175a)

(cherry picked from commit 96e89316b6de6502522f1527b0e132e731af175a)

git-svn-id: svn+ssh://svn.code.sf.net/p/freeglut/code/trunk/freeglut/freeglut@1766 7f0cb862-5218-0410-a997-914c9d46530a
---
 CMakeLists.txt                 |   16 ++++++++++++++--
 src/fg_spaceball.c             |   33 ++++++++++++++++++++++++++++++---
 src/mswin/fg_main_mswin.c      |    6 ++++--
 src/mswin/fg_spaceball_mswin.c |    4 ++++
 4 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34873c1..2467cd4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -273,9 +273,21 @@ IF(WIN32)
         SET( CMAKE_DEBUG_POSTFIX "d" )
     ENDIF(MSVC)
     
+    IF(NOT(MSVC_VERSION LESS "1300"))
+    # minimum requirement for spaceball device
+        ADD_DEFINITIONS(-D_WIN32_WINNT=0x0501)
+        ADD_DEFINITIONS(-DWINVER=0x0501)
+    ELSE()
     # enable the use of Win2000 APIs (needed for really old compilers like MSVC6)
-    ADD_DEFINITIONS(-D_WIN32_WINNT=0x0500)
-    ADD_DEFINITIONS(-DWINVER=0x0500)
+        ADD_DEFINITIONS(-D_WIN32_WINNT=0x0500)
+        ADD_DEFINITIONS(-DWINVER=0x0500)
+    ENDIF()
+
+    IF(NOT(MSVC_VERSION LESS "1600"))
+    # minimum requirement for WM_TOUCH device
+        ADD_DEFINITIONS(-D_WIN32_WINNT=0x0601)
+        ADD_DEFINITIONS(-DWINVER=0x0601)
+    ENDIF()
 ENDIF()
 
 IF(CMAKE_COMPILER_IS_GNUCC)
diff --git a/src/fg_spaceball.c b/src/fg_spaceball.c
index 52d9841..16b0c52 100644
--- a/src/fg_spaceball.c
+++ b/src/fg_spaceball.c
@@ -7,9 +7,12 @@
  * magellan X-based protocol.
  */
 
+
 #include <GL/freeglut.h>
 #include "fg_internal.h"
 
+#if(_WIN32_WINNT >= 0x0501)
+
 /* -- PRIVATE FUNCTIONS --------------------------------------------------- */
 
 extern void fgPlatformInitializeSpaceball(void);
@@ -28,13 +31,12 @@ void fgInitialiseSpaceball(void)
     }
 
     fgPlatformInitializeSpaceball();
-
-    //sball_initialized = 1;
 }
 
 void fgSpaceballClose(void)
 {
-	fgPlatformSpaceballClose();}
+	fgPlatformSpaceballClose();
+}
 
 int fgHasSpaceball(void)
 {
@@ -74,3 +76,28 @@ void fgSpaceballSetWindow(SFG_Window *window)
     fgPlatformSpaceballSetWindow(window);
 }
 
+#else
+
+void fgInitialiseSpaceball(void)
+{
+}
+
+void fgSpaceballClose(void)
+{
+}
+
+int fgHasSpaceball(void)
+{
+	return 0;
+}
+
+int fgSpaceballNumButtons(void)
+{
+	return 0;
+}
+
+void fgSpaceballSetWindow(SFG_Window *window)
+{
+}
+
+#endif
diff --git a/src/mswin/fg_main_mswin.c b/src/mswin/fg_main_mswin.c
index 17d00e1..20a635b 100644
--- a/src/mswin/fg_main_mswin.c
+++ b/src/mswin/fg_main_mswin.c
@@ -1543,14 +1543,16 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
 		break;
 	}
 #endif
-	//Added by Jinrong Xie <stonexjr at gmail.com> 12/24/2014
-	//for SpaceNavigator support on Windows.
+
+#ifdef WM_INPUT
 	case WM_INPUT:
+        /* Added by Jinrong Xie <stonexjr at gmail.com> for SpaceNavigator support on Windows. Dec 2014 */
 		if (fgHasSpaceball())
 		{
 			fgSpaceballHandleWinEvent(hWnd, wParam, lParam);
 		}
 		break;
+#endif
     default:
         /* Handle unhandled messages */
         lRet = DefWindowProc( hWnd, uMsg, wParam, lParam );
diff --git a/src/mswin/fg_spaceball_mswin.c b/src/mswin/fg_spaceball_mswin.c
index f9bad24..84d848d 100644
--- a/src/mswin/fg_spaceball_mswin.c
+++ b/src/mswin/fg_spaceball_mswin.c
@@ -36,6 +36,8 @@
  * six degree of freedom navigator.
  */
 
+#if(_WIN32_WINNT >= 0x0501)
+
 #include <GL/freeglut.h>
 #include <stdlib.h>
 #include "../fg_internal.h"
@@ -190,3 +192,5 @@ void fgSpaceballHandleWinEvent(HWND hwnd, WPARAM wParam, LPARAM lParam)
 		}
 	}
 }
+
+#endif
\ No newline at end of file
-- 
1.7.10.4