Fix OS X file drops from Finder

This is a workaround for QTBUG-40449.

Change-Id: I24a3bfb78d49e94dcafb99ee6d6b36ef4c4299c5
Task-number: QTBUG-40449
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@theqtcompany.com>

src/libs/utils/fileutils.cpp

@@ -57,6 +57,15 @@ QDebug operator<<(QDebug dbg, const Utils::FileName &c)
 
 QT_END_NAMESPACE
 
+#ifdef Q_OS_OSX
+// for file drops from Finder, working around QTBUG-40449
+namespace Utils {
+namespace Internal {
+extern QUrl filePathUrl(const QUrl &url);
+} // Internal
+} // Utils
+#endif
+
 namespace Utils {
 
 /*! \class Utils::FileUtils
@@ -743,7 +752,12 @@ static bool isFileDrop(const QMimeData *d, QList<FileDropSupport::FileSpec> *fil
     bool hasFiles = false;
     const QList<QUrl>::const_iterator cend = urls.constEnd();
     for (QList<QUrl>::const_iterator it = urls.constBegin(); it != cend; ++it) {
-        const QString fileName = it->toLocalFile();
+        QUrl url = *it;
+#ifdef Q_OS_OSX
+        // for file drops from Finder, working around QTBUG-40449
+        url = Internal::filePathUrl(url);
+#endif
+        const QString fileName = url.toLocalFile();
         if (!fileName.isEmpty()) {
             hasFiles = true;
             if (files)

src/libs/utils/fileutils_mac.mm

@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include <QUrl>
+
+#include <Foundation/NSAutoreleasePool.h>
+#include <Foundation/NSURL.h>
+
+namespace Utils {
+namespace Internal {
+
+QUrl filePathUrl(const QUrl &url)
+{
+    QUrl ret = url;
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    NSURL *nsurl = url.toNSURL();
+    if ([nsurl isFileReferenceURL])
+        ret = QUrl::fromNSURL([nsurl filePathURL]);
+    [pool release];
+    return ret;
+}
+
+} // Internal
+} // Utils

src/libs/utils/utils-lib.pri

@@ -200,3 +200,9 @@ FORMS += $$PWD/filewizardpage.ui \
     $$PWD/proxycredentialsdialog.ui
 
 RESOURCES += $$PWD/utils.qrc
+
+osx {
+    OBJECTIVE_SOURCES += \
+        $$PWD/fileutils_mac.mm
+    LIBS += -framework Foundation
+}

src/libs/utils/utils.qbs

@@ -18,6 +18,10 @@ QtcLibrary {
         condition: qbs.targetOS.contains("unix") && !qbs.targetOS.contains("osx")
         cpp.dynamicLibraries: ["X11"]
     }
+    Properties {
+        condition: qbs.targetOS.contains("osx")
+        cpp.frameworks: ["Foundation"]
+    }
 
     Depends { name: "Qt"; submodules: ["widgets", "network", "script", "concurrent"] }
     Depends { name: "app_version_header" }
@@ -244,6 +248,14 @@ QtcLibrary {
         ]
     }
 
+    Group {
+        name: "FileUtils_osx"
+        condition: qbs.targetOS.contains("osx")
+        files: [
+            "fileutils_mac.mm",
+        ]
+    }
+
     Export {
         Depends { name: "Qt"; submodules: ["concurrent", "widgets" ] }
     }