From cbf6678499517c431953d7ca959bac3273e013b5 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Mon, 29 Feb 2016 13:42:44 +1100
Subject: Backed out changeset: 8bc19ede3b51 Was incompatible with Qt 4.7 and
 4.8.

---
 doc/ScintillaHistory.html            |  2 +-
 qt/ScintillaEditBase/ScintillaQt.cpp | 38 +++++++++++-------------------------
 2 files changed, 12 insertions(+), 28 deletions(-)

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index 758877d9c..b3b417d19 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -540,7 +540,7 @@
 	IME target range displayed on Qt for OS X.
 	</li>
 	<li>
-	On Qt and Windows, make clipboard operations more robust by retrying if they fail
+	On Windows, make clipboard operations more robust by retrying OpenClipboard if it fails
 	as this may occur when another application has opened the clipboard.
 	</li>
 	<li>
diff --git a/qt/ScintillaEditBase/ScintillaQt.cpp b/qt/ScintillaEditBase/ScintillaQt.cpp
index e4bbb5c1d..3b7db8002 100644
--- a/qt/ScintillaEditBase/ScintillaQt.cpp
+++ b/qt/ScintillaEditBase/ScintillaQt.cpp
@@ -25,7 +25,6 @@
 #include <QScrollBar>
 #include <QTimer>
 #include <QTextCodec>
-#include <QThread>
 
 #ifdef SCI_NAMESPACE
 using namespace Scintilla;
@@ -307,36 +306,21 @@ void ScintillaQt::ReconfigureScrollBars()
 	}
 }
 
-static bool clipboardAccessFailed;
-static void ClipboardMessageHandler(QtMsgType, const QMessageLogContext &, const QString &)
-{
-	clipboardAccessFailed = true;
-}
-
 void ScintillaQt::CopyToModeClipboard(const SelectionText &selectedText, QClipboard::Mode clipboardMode_)
 {
-	// Try up to 8 times, with an initial delay of 1 ms and an exponential
-	// back off for a maximum total delay of 127 ms (1+2+4+8+16+32+64).
-	QString text = StringFromSelectedText(selectedText);
-	for (int attempt = 0; attempt < 8; attempt++) {
-		if (attempt > 0)
-			QThread::msleep(1 << (attempt-1));
-
-		QMimeData *mimeData = new QMimeData;
-		mimeData->setText(text);
-		if (selectedText.rectangular)
-			AddRectangularToMime(mimeData, text);
+	QClipboard *clipboard = QApplication::clipboard();
+	clipboard->clear(clipboardMode_);
+	QString su = StringFromSelectedText(selectedText);
+	QMimeData *mimeData = new QMimeData();
+	mimeData->setText(su);
+	if (selectedText.rectangular) {
+		AddRectangularToMime(mimeData, su);
+	}
 
-		// Allow client code to add additional data (e.g rich text).
-		emit aboutToCopy(mimeData);
+	// Allow client code to add additional data (e.g rich text).
+	emit aboutToCopy(mimeData);
 
-		clipboardAccessFailed = false;
-		QtMessageHandler handler = qInstallMessageHandler(ClipboardMessageHandler);
-		QApplication::clipboard()->setMimeData(mimeData, clipboardMode_);
-		qInstallMessageHandler(handler);
-		if (!clipboardAccessFailed)
-			return;
-	}
+	clipboard->setMimeData(mimeData, clipboardMode_);
 }
 
 void ScintillaQt::Copy()
-- 
cgit v1.2.3