File xcb-Fix-dropping-URL-on-Firefox-window.patch of Package libqt5-qtbase.16542

From f162e29acca99aaab173fb323d112aad9ec6c2b5 Mon Sep 17 00:00:00 2001
From: Urs Fleisch <ufleisch@users.sourceforge.net>
Date: Wed, 4 May 2016 19:47:16 +0200
Subject: [PATCH] xcb: Fix dropping URL on Firefox window.

When a URL is dropped on a Firefox window, the "text/x-moz-url" data
takes precedence over the "text/uri-list". The "text/x-moz-url" is
interpreted as UTF16, however, the data from Qt 5 applications is not
in the correct format. The code to create correct UTF16 data exists,
but it is not called for two reasons: The atomName will never be
"text/x-moz-url" because it is changed to "text/uri-list" by
mimeAtomToString() and the InternalMimeData::hasFormatHelper() case is
already handled above and the else part will never be considered.
This patch fixes the check and brings it into the right order.

Task-number: QTBUG-49947
Change-Id: I5ebd31914cc6c1417c513c1ff09e0e858a16915d
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@theqtcompany.com>
---
 src/plugins/platforms/xcb/qxcbmime.cpp | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/plugins/platforms/xcb/qxcbmime.cpp b/src/plugins/platforms/xcb/qxcbmime.cpp
index cef2210..7fea068 100644
--- a/src/plugins/platforms/xcb/qxcbmime.cpp
+++ b/src/plugins/platforms/xcb/qxcbmime.cpp
@@ -111,17 +111,18 @@ bool QXcbMime::mimeDataForAtom(QXcbConnection *connection, xcb_atom_t a, QMimeDa
     QString atomName = mimeAtomToString(connection, a);
     if (QInternalMimeData::hasFormatHelper(atomName, mimeData)) {
         *data = QInternalMimeData::renderDataHelper(atomName, mimeData);
-        if (atomName == QLatin1String("application/x-color"))
+        // mimeAtomToString() converts "text/x-moz-url" to "text/uri-list",
+        // so QXcbConnection::atomName() has to be used.
+        if (atomName == QLatin1String("text/uri-list")
+            && connection->atomName(a) == "text/x-moz-url") {
+            const QByteArray uri = data->split('\n').first();
+            QString mozUri = QString::fromLatin1(uri, uri.size());
+            mozUri += QLatin1Char('\n');
+            *data = QByteArray(reinterpret_cast<const char *>(mozUri.utf16()),
+                               mozUri.length() * 2);
+        } else if (atomName == QLatin1String("application/x-color"))
             *dataFormat = 16;
         ret = true;
-    } else if (atomName == QLatin1String("text/x-moz-url") &&
-               QInternalMimeData::hasFormatHelper(QLatin1String("text/uri-list"), mimeData)) {
-        QByteArray uri = QInternalMimeData::renderDataHelper(
-                         QLatin1String("text/uri-list"), mimeData).split('\n').first();
-        QString mozUri = QString::fromLatin1(uri, uri.size());
-        mozUri += QLatin1Char('\n');
-        *data = QByteArray(reinterpret_cast<const char *>(mozUri.utf16()), mozUri.length() * 2);
-        ret = true;
     } else if ((a == XCB_ATOM_PIXMAP || a == XCB_ATOM_BITMAP) && mimeData->hasImage()) {
         ret = true;
     }
-- 
2.7.4
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