Add DialogButtonBox

[ChangeLog][Controls] Added DialogButtonBox to provide convenience for
handling dialog buttons. DialogButtonBox is able to create a set of standard
buttons with a single line of QML code, and provides convenient accepted()
and rejected() signals.

Task-number: QTBUG-51090
Change-Id: I9b3c6ba1b2836dadf9a2ac9086be1eba214e7c4d
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

4 files changed, 80 insertions, 0 deletions

diff --git a/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox-attached.png b/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox-attached.png
new file mode 100644
index 00000000..53ecf83d
--- /dev/null
+++ b/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox-attached.png
diff --git a/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox.png b/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox.png
new file mode 100644
index 00000000..87cece98
--- /dev/null
+++ b/src/imports/controls/doc/images/qtquickcontrols2-dialogbuttonbox.png
diff --git a/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox-attached.qml b/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox-attached.qml
new file mode 100644
index 00000000..a93cda30
--- /dev/null
+++ b/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox-attached.qml
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: http://www.gnu.org/copyleft/fdl.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Controls 2.1
+
+//! [1]
+DialogButtonBox {
+    Button {
+        text: qsTr("Save")
+        DialogButtonBox.buttonRole: DialogButtonBox.AcceptRole
+    }
+    Button {
+        text: qsTr("Close")
+        DialogButtonBox.buttonRole: DialogButtonBox.DestructiveRole
+    }
+}
+//! [1]
diff --git a/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox.qml b/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox.qml
new file mode 100644
index 00000000..41e6cf23
--- /dev/null
+++ b/src/imports/controls/doc/snippets/qtquickcontrols2-dialogbuttonbox.qml
@@ -0,0 +1,38 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: http://www.gnu.org/copyleft/fdl.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Controls 2.1
+
+//! [1]
+DialogButtonBox {
+    standardButtons: DialogButtonBox.Ok | DialogButtonBox.Cancel
+
+    onAccepted: console.log("Ok clicked")
+    onRejected: console.log("Cancel clicked")
+}
+//! [1]