Adding a multitouch patch from Eero Pajarre per e-mail dated 6/8/2011 1:14 AM

[freeglut] / src / freeglut_window.c

diff --git a/src/freeglut_window.c b/src/freeglut_window.c
index 0c56fe1..f3c509a 100644 (file)
--- a/src/freeglut_window.c
+++ b/src/freeglut_window.c
@@ -141,6 +141,10 @@ typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShar
 
 #endif  /* TARGET_HOST_MS_WINDOWS */
 
+#ifdef WM_TOUCH
+       typedef BOOL (WINAPI *pRegisterTouchWindow)(HWND,ULONG);
+   static pRegisterTouchWindow fghRegisterTouchWindow = (pRegisterTouchWindow)0xDEADBEEF;
+#endif
 
 /* pushing attribute/value pairs into an array */
 #define ATTRIB(a) attributes[where++]=(a)
@@ -1293,7 +1297,10 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 
     /* Enable multitouch: additional flag TWF_FINETOUCH, TWF_WANTPALM */
     #ifdef WM_TOUCH
-       RegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM );
+        if (fghRegisterTouchWindow == (pRegisterTouchWindow)0xDEADBEEF) 
+                       fghRegisterTouchWindow = (pRegisterTouchWindow)GetProcAddress(GetModuleHandle("user32"),"RegisterTouchWindow");
+               if (fghRegisterTouchWindow)
+             fghRegisterTouchWindow( window->Window.Handle, TWF_FINETOUCH | TWF_WANTPALM );
     #endif
 
 #if defined(_WIN32_WCE)
@@ -1325,10 +1332,11 @@ void fgOpenWindow( SFG_Window* window, const char* title,
  */
 void fgCloseWindow( SFG_Window* window )
 {
-    /* if we're in gamemode, call glutLeaveGameMode first to make sure the
-     * gamemode is properly closed before closing the window
+    /* if we're in gamemode and we're closing the gamemode window,
+     * call glutLeaveGameMode first to make sure the gamemode is
+     * properly closed before closing the window
      */
-    if (fgStructure.GameModeWindow != NULL)
+    if (fgStructure.GameModeWindow != NULL && fgStructure.GameModeWindow->ID==window->ID)
         glutLeaveGameMode();
 
 #if TARGET_HOST_POSIX_X11