Support multiline text

Use rich text editor widget as dialog for multiline text input

Change-Id: I13147e776867032fe1145d6a8a37fcd6976399e4
Task-number: QDS-2229
Reviewed-by: Marco Bubke <marco.bubke@qt.io>

share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/StandardTextSection.qml

@@ -26,6 +26,8 @@
 import QtQuick 2.1
 import HelperWidgets 2.0
 import QtQuick.Layouts 1.0
+import StudioControls 1.0 as StudioControls
+import StudioTheme 1.0 as StudioTheme
 
 Section {
     anchors.left: parent.left
@@ -46,9 +48,29 @@ Section {
         Label {
             text: qsTr("Text")
         }
-        LineEdit {
-            backendValue: backendValues.text
-            Layout.fillWidth: true
+
+        RowLayout {
+            LineEdit {
+                backendValue: backendValues.text
+                Layout.fillWidth: true
+            }
+
+            StudioControls.AbstractButton {
+                id: richTextEditorButton
+                buttonIcon: StudioTheme.Constants.textAlignTop
+                onClicked: {
+                    richTextDialogLoader.show()
+                }
+            }
+
+            RichTextEditor{
+                onRejected: {
+                    hideWidget()
+                }
+                onAccepted: {
+                    hideWidget()
+                }
+            }
         }
 
         Label {
@@ -219,4 +241,38 @@ Section {
             Layout.fillWidth: true
         }
     }
+
+    Loader {
+        id: richTextDialogLoader
+
+        visible: false
+        active: visible
+
+        function show() {
+            richTextDialogLoader.visible = true
+        }
+
+        sourceComponent: Item {
+            id: richTextEditorParent
+
+            Component.onCompleted: {
+                richTextEditor.showWidget()
+                richTextEditor.richText = backendValues.text.value
+            }
+
+            RichTextEditor {
+                id: richTextEditor
+
+                onRejected: {
+                    hideWidget()
+                    richTextDialogLoader.visible = false
+                }
+                onAccepted: {
+                    backendValues.text.value = richTextEditor.richText
+                    hideWidget()
+                    richTextDialogLoader.visible = false
+                }
+            }
+        }
+    }
 }

src/plugins/qmldesigner/components/propertyeditor/quick2propertyeditorview.cpp

@@ -40,6 +40,7 @@
 #include "aligndistribute.h"
 #include "propertyeditorcontextobject.h"
 #include "tooltip.h"
+#include "richtexteditor/richtexteditorproxy.h"
 
 namespace QmlDesigner {
 
@@ -69,6 +70,7 @@ void Quick2PropertyEditorView::registerQmlTypes()
         AlignDistribute::registerDeclarativeType();
         Tooltip::registerDeclarativeType();
         EasingCurveEditor::registerDeclarativeType();
+        RichTextEditorProxy::registerDeclarativeType();
     }
 }
 

src/plugins/qmldesigner/components/richtexteditor/richtexteditor.pri

@@ -1,7 +1,9 @@
-HEADERS += $$PWD/richtexteditor.h
+HEADERS += $$PWD/richtexteditor.h \
+           $$PWD/richtexteditorproxy.h
 HEADERS += $$PWD/hyperlinkdialog.h
 
-SOURCES += $$PWD/richtexteditor.cpp
+SOURCES += $$PWD/richtexteditor.cpp \
+           $$PWD/richtexteditorproxy.cpp
 SOURCES += $$PWD/hyperlinkdialog.cpp
 
 FORMS += $$PWD/richtexteditor.ui

src/plugins/qmldesigner/components/richtexteditor/richtexteditorproxy.cpp

@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 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.
+**
+****************************************************************************/
+
+#include "richtexteditorproxy.h"
+
+#include <QDialog>
+#include <QDialogButtonBox>
+
+#include "richtexteditor.h"
+
+namespace QmlDesigner {
+
+RichTextEditorProxy::RichTextEditorProxy(QObject *parent)
+    : QObject(parent)
+    , m_dialog(new QDialog{})
+    , m_widget(new RichTextEditor{})
+{
+    QGridLayout *layout = new QGridLayout{};
+
+    layout->addWidget(m_widget);
+    QDialogButtonBox *standardButtons = new QDialogButtonBox{QDialogButtonBox::Ok
+                                                             | QDialogButtonBox::Cancel};
+
+    connect(standardButtons, &QDialogButtonBox::accepted, m_dialog, &QDialog::accept);
+    connect(standardButtons, &QDialogButtonBox::rejected, m_dialog, &QDialog::reject);
+
+    layout->addWidget(standardButtons);
+
+    m_dialog->setLayout(layout);
+
+    connect(m_dialog, &QDialog::accepted, [this]() { emit accepted(); });
+    connect(m_dialog, &QDialog::rejected, [this]() { emit rejected(); });
+}
+
+RichTextEditorProxy::~RichTextEditorProxy()
+{
+    delete m_dialog;
+}
+
+void RichTextEditorProxy::registerDeclarativeType()
+{
+    qmlRegisterType<RichTextEditorProxy>("HelperWidgets", 2, 0, "RichTextEditor");
+}
+
+void RichTextEditorProxy::showWidget()
+{
+    m_dialog->show();
+}
+
+void RichTextEditorProxy::hideWidget()
+{
+    m_dialog->hide();
+}
+
+QString RichTextEditorProxy::richText() const
+{
+    return m_widget->richText();
+}
+
+void RichTextEditorProxy::setRichText(const QString &text)
+{
+    m_widget->setRichText(text);
+}
+
+} // namespace QmlDesigner

src/plugins/qmldesigner/components/richtexteditor/richtexteditorproxy.h

@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QObject>
+#include <QQuickItem>
+
+QT_BEGIN_NAMESPACE
+class QDialog;
+QT_END_NAMESPACE
+
+namespace QmlDesigner {
+
+class RichTextEditor;
+
+class RichTextEditorProxy : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QString richText READ richText WRITE setRichText)
+public:
+    explicit RichTextEditorProxy(QObject *parent = nullptr);
+    ~RichTextEditorProxy();
+
+    static void registerDeclarativeType();
+
+    Q_INVOKABLE void showWidget();
+    Q_INVOKABLE void hideWidget();
+
+    QString richText() const;
+    void setRichText(const QString &text);
+
+signals:
+    void accepted();
+    void rejected();
+
+private:
+    QDialog *m_dialog;
+    RichTextEditor *m_widget;
+};
+
+} // namespace QmlDesigner