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Diffstat (limited to 'src/quickcontrols/doc/snippets/qtquickcontrols-combobox-valuerole.qml')
-rw-r--r-- | src/quickcontrols/doc/snippets/qtquickcontrols-combobox-valuerole.qml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/quickcontrols/doc/snippets/qtquickcontrols-combobox-valuerole.qml b/src/quickcontrols/doc/snippets/qtquickcontrols-combobox-valuerole.qml new file mode 100644 index 0000000000..9329b19d1c --- /dev/null +++ b/src/quickcontrols/doc/snippets/qtquickcontrols-combobox-valuerole.qml @@ -0,0 +1,34 @@ +// Copyright (C) 2019 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +import QtQuick +import QtQuick.Controls + +//! [file] +ApplicationWindow { + width: 640 + height: 480 + visible: true + + // Used as an example of a backend - this would usually be + // e.g. a C++ type exposed to QML. + QtObject { + id: backend + property int modifier + } + + ComboBox { + textRole: "text" + valueRole: "value" + // When an item is selected, update the backend. + onActivated: backend.modifier = currentValue + // Set the initial currentIndex to the value stored in the backend. + Component.onCompleted: currentIndex = indexOfValue(backend.modifier) + model: [ + { value: Qt.NoModifier, text: qsTr("No modifier") }, + { value: Qt.ShiftModifier, text: qsTr("Shift") }, + { value: Qt.ControlModifier, text: qsTr("Control") } + ] + } +} +//! [file] |