Expose functional stub backend

1 files changed, 38 insertions, 0 deletions

diff --git a/pugl/detail/win.c b/pugl/detail/win.c
index 408e7ba..b9004b2 100644
--- a/pugl/detail/win.c
+++ b/pugl/detail/win.c
@@ -21,6 +21,7 @@
 #include "pugl/detail/implementation.h"
 #include "pugl/detail/win.h"
 #include "pugl/pugl.h"
+#include "pugl/pugl_stub_backend.h"
 
 #include <windows.h>
 #include <windowsx.h>
@@ -927,3 +928,40 @@ puglSetClipboard(PuglView* const   view,
 	CloseClipboard();
 	return PUGL_SUCCESS;
 }
+
+static PuglStatus
+puglWinStubEnter(PuglView* view, bool drawing)
+{
+	if (drawing) {
+		PAINTSTRUCT ps;
+		BeginPaint(view->impl->hwnd, &ps);
+	}
+
+	return PUGL_SUCCESS;
+}
+
+static PuglStatus
+puglWinStubLeave(PuglView* view, bool drawing)
+{
+	if (drawing) {
+		PAINTSTRUCT ps;
+		EndPaint(view->impl->hwnd, &ps);
+		SwapBuffers(view->impl->hdc);
+	}
+
+	return PUGL_SUCCESS;
+}
+
+const PuglBackend*
+puglStubBackend(void)
+{
+	static const PuglBackend backend = {puglWinStubConfigure,
+	                                    puglStubCreate,
+	                                    puglStubDestroy,
+	                                    puglWinStubEnter,
+	                                    puglWinStubLeave,
+	                                    puglStubResize,
+	                                    puglStubGetContext};
+
+	return &backend;
+}