1 files changed, 133 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/Utils/StudioUtils.cpp b/src/Authoring/Qt3DStudio/Utils/StudioUtils.cpp
new file mode 100644
index 00000000..16ca1253
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+++ b/src/Authoring/Qt3DStudio/Utils/StudioUtils.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2002 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "Qt3DSCommonPrecompile.h"
+#include "CoreUtils.h"
+#include "StudioPreferences.h"
+#include "StudioClipboard.h"
+#include "Pt.h"
+#include "StudioUtils.h"
+#include "StudioApp.h"
+#include "MainFrm.h"
+
+#include <QtWidgets/qapplication.h>
+#include <QtWidgets/qdesktopwidget.h>
+#include <QtGui/qdesktopservices.h>
+#include <QtGui/qscreen.h>
+#include <QtGui/qwindow.h>
+#include <QtCore/qurl.h>
+
+QString StudioUtils::resourcePath()
+{
+    return QStringLiteral(":/res");
+}
+
+QString StudioUtils::resourceImagePath()
+{
+    return QStringLiteral(":/images/");
+}
+
+QString StudioUtils::resourceImageUrl()
+{
+    return QStringLiteral("qrc:/images/");
+}
+
+// Returns the qml import path required for binary installations
+QString StudioUtils::qmlImportPath()
+{
+    QString extraImportPath(QStringLiteral("%1/qml"));
+    return extraImportPath.arg(QApplication::applicationDirPath());
+}
+
+qreal StudioUtils::devicePixelRatio(QWindow *window)
+{
+    qreal pixelRatio = 1.0;
+
+    QWindow *w = window ? window
+                        : g_StudioApp.m_pMainWnd
+                          ? g_StudioApp.m_pMainWnd->windowHandle() : nullptr;
+
+    if (w) {
+        QScreen *s = w->screen();
+        if (s)
+            pixelRatio = s->devicePixelRatio();
+    }
+
+    return pixelRatio;
+}
+
+// Reads the contents of a text file into QDomDocument
+bool StudioUtils::readFileToDomDocument(const QString &filePath, QDomDocument &domDoc)
+{
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly)) {
+        file.setTextModeEnabled(false);
+        qWarning() << __FUNCTION__ << file.errorString() << "'" << filePath << "'";
+        return false;
+    }
+
+    return domDoc.setContent(&file);
+}
+
+// Opens a text file for saving and reads its contents into QDomDocument
+bool StudioUtils::openDomDocumentSave(QSaveFile &file, QDomDocument &domDoc)
+{
+    if (!readFileToDomDocument(file.fileName(), domDoc))
+        return false;
+    if (!file.open(QIODevice::WriteOnly)) {
+        file.setTextModeEnabled(false);
+        qWarning() << __FUNCTION__ << file.errorString();
+        return false;
+    }
+    return true;
+}
+
+// Saves contents of a QDomDocument into a previously opened text file
+bool StudioUtils::commitDomDocumentSave(QSaveFile &file, const QDomDocument &domDoc)
+{
+    // Disable end-of-line conversions
+    file.setTextModeEnabled(false);
+    // Overwrites entire file
+    if (file.resize(0) && file.write(domDoc.toByteArray(4)) != -1 && file.commit())
+        return true;
+
+    qWarning() << __FUNCTION__ << file.errorString();
+    return false;
+}
+
+// Opens text file for saving without reading its contents
+bool StudioUtils::openTextSave(QSaveFile &file)
+{
+    if (!file.open(QIODevice::WriteOnly)) {
+        file.setTextModeEnabled(false);
+        qWarning() << __FUNCTION__ << file.errorString();
+        return false;
+    }
+    return true;
+}