Material: Add proper elevation support

- Added an ElevationEffect component based on elevation shadows from Angular Material
- Use it on Button, ToolBar, ComboBox, Drawer, Pane, Popup, Menu, and Switch
- Add an elevation property to the Material attached object
- Update the button colors based on the elevation property

Change-Id: I5152e1a56bdcb1016cc4f945a16ef510e0cdece6
Task-number: QTBUG-51276
Reviewed-by: Nikita Krupenko <krnekit@gmail.com>
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/imports/controls/material/qtquickcontrols2materialstyleplugin.cpp b/src/imports/controls/material/qtquickcontrols2materialstyleplugin.cpp
index 623d93f9..5ee6e767 100644
--- a/src/imports/controls/material/qtquickcontrols2materialstyleplugin.cpp
+++ b/src/imports/controls/material/qtquickcontrols2materialstyleplugin.cpp
@@ -89,7 +89,9 @@ void QtQuickControls2MaterialStylePlugin::initializeEngine(QQmlEngine *engine, c
     qmlRegisterType<QQuickMaterialProgressStrip>(import, 2, 0, "ProgressStrip");
     qmlRegisterType<QQuickMaterialRingAnimator>(import, 2, 0, "RingAnimator");
     qmlRegisterType<QQuickMaterialStripAnimator>(import, 2, 0, "StripAnimator");
+    qmlRegisterType(typeUrl(QStringLiteral("BoxShadow.qml")), import, 2, 0, "BoxShadow");
     qmlRegisterType(typeUrl(QStringLiteral("CheckIndicator.qml")), import, 2, 0, "CheckIndicator");
+    qmlRegisterType(typeUrl(QStringLiteral("ElevationEffect.qml")), import, 2, 0, "ElevationEffect");
     qmlRegisterType(typeUrl(QStringLiteral("Ripple.qml")), import, 2, 0, "Ripple");
     qmlRegisterType(typeUrl(QStringLiteral("SliderHandle.qml")), import, 2, 0, "SliderHandle");
     qmlRegisterType(typeUrl(QStringLiteral("SwitchIndicator.qml")), import, 2, 0, "SwitchIndicator");