Hoist MOULOpenSourceClientPlugin/Plasma20/* to top level

to match H'uru layout and make patching/cherry-picking easier.

Sources/Plasma/PubUtilLib/plWndCtrls/basewnd.cpp

@@ -0,0 +1,84 @@
+#include "hsTypes.h"
+
+
+// Stolen from: http://www.mvps.org/user32/webhost.cab
+// No copyright notices, so I assume it's public domain -Colin
+#include "basewnd.h"
+
+#include "hsConfig.h"
+#if HS_BUILD_FOR_WIN32
+
+
+wchar_t basewnd::szClassName[] = L"BASEWND";
+
+
+void basewnd::Initialize(HINSTANCE hAppInstance,UINT style)
+{
+	WNDCLASSEX wc = 
+	{
+		sizeof(wc),
+		style,
+		WindowProc,
+		0,0,
+		hAppInstance,
+		LoadIcon(NULL,IDI_APPLICATION),
+		LoadCursor(NULL,IDC_ARROW),
+		(HBRUSH)(COLOR_WINDOW+1),
+		NULL,
+		szClassName,
+		LoadIcon(NULL,IDI_APPLICATION)
+	};
+	RegisterClassEx(&wc);
+}
+
+
+LRESULT CALLBACK basewnd::WindowProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
+{
+	basewnd* _this;
+	if(uMsg == WM_CREATE && (_this = (basewnd*)(LPCREATESTRUCT(lParam))->lpCreateParams))
+	{
+		SetWindowLong(hwnd,GWL_USERDATA,(long)_this);
+		_this->hwnd = hwnd;
+		_this->AddRef();
+	}
+	else
+		_this = (basewnd*)GetWindowLong(hwnd,GWL_USERDATA);
+	
+	LRESULT result = 0;
+	BOOL fDoDef = !(_this && _this->HandleMessage(uMsg,wParam,lParam,&result));
+	
+	if(uMsg == WM_DESTROY)
+	{
+		SetWindowLong(hwnd,GWL_USERDATA,(long)NULL);
+		_this->Release();
+	}
+	
+	return fDoDef?DefWindowProc(hwnd,uMsg,wParam,lParam):result;
+}
+
+
+basewnd::basewnd()
+: mcRef(1)
+{
+}
+
+
+basewnd::~basewnd()
+{
+}
+
+ULONG basewnd::AddRef()
+{
+	return mcRef++;
+}
+
+ULONG basewnd::Release()
+{
+	if(--mcRef)
+		return mcRef;
+	delete this;
+	return 0;
+}
+
+
+#endif