Add HRadioButton base component

src/gui/Base/HRadioButton.qml

@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Layouts 1.12
+import "../Layouts"
+
+RadioButton {
+    id: button
+
+    property alias mainText: mainText
+    property alias subtitle: subtitleText
+    property bool defaultChecked: false
+    readonly property bool changed: checked !== defaultChecked
+
+    function reset() { checked = defaultChecked }
+
+
+    checked: defaultChecked
+    spacing: contentItem.visible ? theme.spacing : 0
+    padding: 0
+
+    indicator: Rectangle {
+        opacity: button.enabled ? 1 : theme.disabledElementsOpacity + 0.2
+        implicitWidth: theme.controls.checkBox.boxSize
+        implicitHeight: implicitWidth
+        x: button.leftPadding
+        y: button.topPadding + button.availableHeight / 2 - height / 2
+        radius: width / 2
+
+        color: theme.controls.checkBox.boxBackground
+        border.color:
+            button.enabled && button.pressed ?
+            theme.controls.checkBox.boxPressedBorder :
+
+            (button.enabled && button.hovered) || button.activeFocus ?
+            theme.controls.checkBox.boxHoveredBorder :
+
+            theme.controls.checkBox.boxBorder
+
+        Behavior on border.color { HColorAnimation { factor: 0.5 } }
+
+        Rectangle {
+            anchors.centerIn: parent
+            width: parent.width * 0.5  // XXX theme
+            height: width
+            radius: parent.radius
+            color: theme.controls.checkBox.checkIconColorize
+            scale: button.checked ? 1 : 0
+
+            Behavior on scale {
+                HNumberAnimation {
+                    overshoot: 4
+                    easing.type: Easing.InOutBack
+                    factor: 0.5
+                }
+            }
+        }
+    }
+
+    contentItem: HColumnLayout {
+        visible: mainText.text || subtitleText.text
+        opacity: button.enabled ? 1 : theme.disabledElementsOpacity
+
+        HLabel {
+            id: mainText
+            text: button.text
+            color: theme.controls.checkBox.text
+
+            // Set a width on RadioButton for wrapping to work,
+            // e.g. by using Layout.fillWidth
+            leftPadding: button.indicator.width + button.spacing
+            verticalAlignment: Text.AlignVCenter
+
+            Layout.fillWidth: true
+        }
+
+        HLabel {
+            id: subtitleText
+            visible: Boolean(text)
+            color: theme.controls.checkBox.subtitle
+            font.pixelSize: theme.fontSize.small
+
+            leftPadding: mainText.leftPadding
+            verticalAlignment: mainText.verticalAlignment
+
+            Layout.fillWidth: true
+        }
+    }
+
+    Behavior on opacity { HNumberAnimation { factor: 2 } }
+}