1 files changed, 94 insertions, 0 deletions
diff --git a/src/tools/uic/python/pythonwriteimports.cpp b/src/tools/uic/python/pythonwriteimports.cpp
new file mode 100644
index 0000000000..303615f77b
--- /dev/null
+++ b/src/tools/uic/python/pythonwriteimports.cpp
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 "pythonwriteimports.h"
+
+#include <customwidgetsinfo.h>
+#include <uic.h>
+
+#include <ui4.h>
+
+#include <QtCore/qtextstream.h>
+
+QT_BEGIN_NAMESPACE
+
+static const char *standardImports =
+R"I(from PySide2.QtCore import (QCoreApplication, QMetaObject, QObject, QPoint,
+    QRect, QSize, QUrl, Qt)
+from PySide2.QtGui import (QBrush, QColor, QConicalGradient, QFont,
+    QFontDatabase, QIcon, QLinearGradient, QPalette, QPainter, QPixmap,
+    QRadialGradient)
+from PySide2.QtWidgets import *
+)I";
+
+namespace Python {
+
+WriteImports::WriteImports(Uic *uic) : m_uic(uic)
+{
+}
+
+void WriteImports::acceptUI(DomUI *node)
+{
+    auto &output = m_uic->output();
+    output << standardImports << '\n';
+    if (auto customWidgets = node->elementCustomWidgets()) {
+        TreeWalker::acceptCustomWidgets(customWidgets);
+        output << '\n';
+    }
+}
+
+QString WriteImports::qtModuleOf(const DomCustomWidget *node) const
+{
+    if (m_uic->customWidgetsInfo()->extends(node->elementClass(), QLatin1String("QAxWidget")))
+        return QStringLiteral("QtAxContainer");
+    if (const auto headerElement = node->elementHeader()) {
+        const auto &header = headerElement->text();
+        if (header.startsWith(QLatin1String("Qt"))) {
+            const int slash = header.indexOf(QLatin1Char('/'));
+            if (slash != -1)
+                return header.left(slash);
+        }
+    }
+    return QString();
+}
+
+void WriteImports::acceptCustomWidget(DomCustomWidget *node)
+{
+    const auto &className = node->elementClass();
+    if (className.contains(QLatin1String("::")))
+        return; // Exclude namespaced names (just to make tests pass).
+    const QString &qtModule = qtModuleOf(node);
+    auto &output = m_uic->output();
+    if (!qtModule.isEmpty())
+        output << "from PySide2." << qtModule << ' ';
+    output << "import " << className << '\n';
+}
+
+} // namespace Python
+
+QT_END_NAMESPACE