From 9223acca1c5a2a7a201a5e174161d495fb44fba6 Mon Sep 17 00:00:00 2001
From: edyfox <edyfox@2a77ed30-b011-0410-a7ad-c7884a0aa172>
Date: Fri, 23 Jan 2009 05:58:41 +0000
Subject: [PATCH] Patch 7.2.088 (extra) Problem:    OpenClipboard() may fail
 when another application is using the             clipboard. Solution:  
 Retry OpenClipboard() a few times. (Jianrong Yu) Files:      src/os_mswin.c

git-svn-id: https://vim.svn.sourceforge.net/svnroot/vim/branches/vim7.2@1330 2a77ed30-b011-0410-a7ad-c7884a0aa172
---
 src/os_mswin.c | 23 +++++++++++++++++++++--
 src/version.c  |  2 ++
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/src/os_mswin.c b/src/os_mswin.c
index 32a068f6..60c5a81a 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -1224,6 +1224,25 @@ utf16_to_enc(short_u *str, int *lenp)
 #endif /* FEAT_MBYTE */
 
 /*
+ * Wait for another process to Close the Clipboard.
+ * Returns TRUE for success.
+ */
+    int
+vim_open_clipboard()
+{
+    int delay = 10;
+
+    while (!OpenClipboard(NULL))
+    {
+        if (delay > 500)
+            return FALSE;  /* waited too long, give up */
+        Sleep(delay);
+        delay *= 2;	/* wait for 10, 20, 40, 80, etc. msec */
+    }
+    return TRUE;
+}
+
+/*
  * Get the current selection and put it in the clipboard register.
  *
  * NOTE: Must use GlobalLock/Unlock here to ensure Win32s compatibility.
@@ -1254,7 +1273,7 @@ clip_mch_request_selection(VimClipboard *cbd)
      * Don't pass GetActiveWindow() as an argument to OpenClipboard() because
      * then we can't paste back into the same window for some reason - webb.
      */
-    if (!OpenClipboard(NULL))
+    if (!vim_open_clipboard())
 	return;
 
     /* Check for vim's own clipboard format first.  This only gets the type of
@@ -1562,7 +1581,7 @@ clip_mch_set_selection(VimClipboard *cbd)
      * because then we can't paste back into the same window for some
      * reason - webb.
      */
-    if (OpenClipboard(NULL))
+    if (vim_open_clipboard())
     {
 	if (EmptyClipboard())
 	{
diff --git a/src/version.c b/src/version.c
index c0f593f0..b04c8816 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    88,
+/**/
     87,
 /**/
     86,
-- 
2.11.4.GIT