[loading window] Now it should build with old SDKs, if you change the constant.

src/arch/LoadingWindow/LoadingWindow_Win32.cpp

@@ -93,6 +93,7 @@ INT_PTR CALLBACK LoadingWindow_Win32::DlgProc( HWND hWnd, UINT msg, WPARAM wPara
 		self=(LoadingWindow_Win32 *)GetWindowLong(hWnd,DWL_USER);
 	}
 
+#if(WINVER >= 0x0601)
 	if (self && msg == self->taskbarCreatedEvent && !self->pTaskbarList) {
 		HRESULT hr = CoCreateInstance(CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&self->pTaskbarList));
 		if (SUCCEEDED(hr)) {
@@ -114,6 +115,7 @@ INT_PTR CALLBACK LoadingWindow_Win32::DlgProc( HWND hWnd, UINT msg, WPARAM wPara
 
 
 	}
+#endif
 
 	switch( msg )
 	{
@@ -140,10 +142,12 @@ INT_PTR CALLBACK LoadingWindow_Win32::DlgProc( HWND hWnd, UINT msg, WPARAM wPara
 
 	case WM_DESTROY:
 
+#if(WINVER >= 0x0601)
 		if (self->pTaskbarList) {
 			self->pTaskbarList->Release();
 			self->pTaskbarList = NULL;
 		}
+#endif
 
 		DeleteObject( g_hBitmap );
 		g_hBitmap = NULL;
@@ -173,14 +177,19 @@ void LoadingWindow_Win32::SetIcon( const RageSurface *pIcon )
 		SetClassLong( hwnd, GCL_HICON, (LONG) m_hIcon );
 }
 
-LoadingWindow_Win32::LoadingWindow_Win32() : pTaskbarList(NULL)
+LoadingWindow_Win32::LoadingWindow_Win32()
 {	
+
 	INITCOMMONCONTROLSEX cceData;
 	cceData.dwSize=sizeof(INITCOMMONCONTROLSEX);
 	cceData.dwICC=ICC_PROGRESS_CLASS;
 	InitCommonControlsEx(&cceData);
 
+#if(WINVER >= 0x0601)
+	pTaskbarList=NULL;
+
 	taskbarCreatedEvent=RegisterWindowMessage("TaskbarButtonCreated");
+#endif
 
 	m_hIcon = NULL;
 	
@@ -252,7 +261,11 @@ void LoadingWindow_Win32::SetProgress(const int progress)
 	m_progress=progress;
 	HWND hwndItem = ::GetDlgItem( hwnd, IDC_PROGRESS );
 	::SendMessage(hwndItem,PBM_SETPOS,progress,0);
-	pTaskbarList->SetProgressValue(hwnd, m_progress, m_totalWork);
+#if(WINVER >= 0x0601)
+	if(pTaskbarList) {
+		pTaskbarList->SetProgressValue(hwnd, m_progress, m_totalWork);
+	}
+#endif
 }
 
 void LoadingWindow_Win32::SetTotalWork(const int totalWork)
@@ -260,7 +273,11 @@ void LoadingWindow_Win32::SetTotalWork(const int totalWork)
 	m_totalWork=totalWork;
 	HWND hwndItem = ::GetDlgItem( hwnd, IDC_PROGRESS );
 	SendMessage(hwndItem,PBM_SETRANGE32,0,totalWork);
-	pTaskbarList->SetProgressValue(hwnd, m_progress, m_totalWork);
+#if(WINVER >= 0x0601)
+	if(pTaskbarList) {
+		pTaskbarList->SetProgressValue(hwnd, m_progress, m_totalWork);
+	}
+#endif
 }
 
 void LoadingWindow_Win32::SetIndeterminate(bool indeterminate) {
@@ -269,17 +286,21 @@ void LoadingWindow_Win32::SetIndeterminate(bool indeterminate) {
 	HWND hwndItem = ::GetDlgItem( hwnd, IDC_PROGRESS );
 
 	if(indeterminate) {
+#if(WINVER >= 0x0601)
 		if(pTaskbarList) {
 			pTaskbarList->SetProgressState(hwnd, TBPF_INDETERMINATE);
 		}
+#endif
 		SetWindowLong(hwndItem,GWL_STYLE, PBS_MARQUEE | GetWindowLong(hwndItem,GWL_STYLE));
 		SendMessage(hwndItem,PBM_SETMARQUEE,1,0);
 	} else {
 		SendMessage(hwndItem,PBM_SETMARQUEE,0,0);
 		SetWindowLong(hwndItem,GWL_STYLE, (~PBS_MARQUEE) & GetWindowLong(hwndItem,GWL_STYLE));
+#if(WINVER >= 0x0601)
 		if(pTaskbarList) {
 			pTaskbarList->SetProgressState(hwnd, TBPF_NORMAL);
 		}
+#endif
 	}
 	
 }

src/arch/LoadingWindow/LoadingWindow_Win32.h

@@ -3,10 +3,15 @@
 #ifndef LOADING_WINDOW_WIN32_H
 #define LOADING_WINDOW_WIN32_H
 
+#include "global.h"
+
 #include "LoadingWindow.h"
 #include <windows.h>
 #include "archutils/Win32/AppInstance.h"
+
+#if(WINVER >= 0x0601)
 #include "Shobjidl.h"
+#endif
 
 class LoadingWindow_Win32: public LoadingWindow
 {
@@ -28,8 +33,11 @@ private:
 	HANDLE pumpThread;
 	DWORD pumpThreadId;
 	HANDLE guiReadyEvent;
+
+#if(WINVER >= 0x0601)
 	UINT taskbarCreatedEvent;
 	ITaskbarList3 *pTaskbarList;
+#endif
 
 	volatile bool runMessageLoop;
 

src/archutils/Win32/arch_setup.h

@@ -66,7 +66,7 @@ C4355: 'this' : used in base member initializer list
 
 /* Pull in NT-only definitions. Note that we support Win98 and WinME; you can 
  * make NT calls, but be sure to fall back on 9x if they're not supported. */
-#define _WIN32_WINNT 0x0501
+#define _WIN32_WINNT 0x0601
 #define _WIN32_IE 0x0400
 
 // If this isn't defined to 0, VC fails to define things like stat and alloca.