commit e78c206856b35172196a171b9f5c6b2f66bda393
author Bram Moolenaar <Bram@vim.org> Wed Aug 10 15:56:27 2011 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Aug 10 15:56:27 2011 +0200
tree a455782ee785bc816c3355c37ed92867c0ca386e
parent 8a20b0f25ebe3baae2044c5a6650b376e6971835

updated for version 7.3.275
Problem:    MS-Windows: When using a black background some screen updates
            cause the window to flicker.
Solution:   Add WS_CLIPCHILDREN to CreateWindow().  (René Aguirre)

src/gui_w32.c

diff --git a/src/gui_w32.c b/src/gui_w32.c
index e4d2570..0966afe 100644
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -1379,7 +1379,8 @@
 	    s_hwnd = CreateWindowEx(
 		WS_EX_MDICHILD,
 		szVimWndClass, "Vim MSWindows GUI",
-		WS_OVERLAPPEDWINDOW | WS_CHILD | WS_CLIPSIBLINGS | 0xC000,
+		WS_OVERLAPPEDWINDOW | WS_CHILD
+				 | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | 0xC000,
 		gui_win_x == -1 ? CW_USEDEFAULT : gui_win_x,
 		gui_win_y == -1 ? CW_USEDEFAULT : gui_win_y,
 		100,				/* Any value will do */
@@ -1410,7 +1411,8 @@
 	 * titlebar, it will be reparented below. */
 	s_hwnd = CreateWindow(
 		szVimWndClass, "Vim MSWindows GUI",
-		win_socket_id == 0 ? WS_OVERLAPPEDWINDOW : WS_POPUP,
+		(win_socket_id == 0 ? WS_OVERLAPPEDWINDOW : WS_POPUP)
+					  | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
 		gui_win_x == -1 ? CW_USEDEFAULT : gui_win_x,
 		gui_win_y == -1 ? CW_USEDEFAULT : gui_win_y,
 		100,				/* Any value will do */