ComboBox: document the behavior surrounding the accepted() signal

Change-Id: I65be8e54ded284d2f80b5a1f301b75223bd81bb3
Fixes: QTBUG-75338
Reviewed-by: Henning Gründl <henning.gruendl@qt.io>
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 45 insertions, 0 deletions

diff --git a/src/imports/controls/doc/snippets/qtquickcontrols2-combobox-accepted.qml b/src/imports/controls/doc/snippets/qtquickcontrols2-combobox-accepted.qml
new file mode 100644
index 00000000..9f2ad928
--- /dev/null
+++ b/src/imports/controls/doc/snippets/qtquickcontrols2-combobox-accepted.qml
@@ -0,0 +1,45 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://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: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+//! [combobox]
+ComboBox {
+    editable: true
+    model: ListModel {
+        id: model
+        ListElement { text: "Banana" }
+        ListElement { text: "Apple" }
+        ListElement { text: "Coconut" }
+    }
+    onAccepted: {
+        if (find(editText) === -1)
+            model.append({text: editText})
+    }
+}
+//! [combobox]