From f35d68907ba49f999945e420f43a237e6502bbb0 Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Tue, 5 May 2015 14:44:10 -0400
Subject: [PATCH] More flicker work and TODOs.

---
 windows/container.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/windows/container.c b/windows/container.c
index 60166811..69ccc360 100644
--- a/windows/container.c
+++ b/windows/container.c
@@ -65,6 +65,7 @@ static HBRUSH getControlBackgroundBrush(HWND hwnd, HDC dc, RECT *hwndScreenRect)
 	return brush;
 }
 
+// TODO this doesn't work right for partial redraws
 static void paintContainerBackground(HWND hwnd, HDC dc, RECT *paintRect)
 {
 	RECT screenRect;
@@ -208,6 +209,10 @@ static LRESULT CALLBACK containerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LP
 			logLastError("error getting client rect in containerWndProc()");
 		paintContainerBackground(c->hwnd, (HDC) wParam, &r);
 		return 0;
+	case WM_ERASEBKGND:
+		// avoid some flicker
+		// we draw the whole update area anyway
+		return 1;
 	case WM_WINDOWPOSCHANGED:
 		if ((wp->flags & SWP_NOSIZE) != 0)
 			break;