Very early KDE 6 release.

plasma/plasmoids/org.kde.desktopcontainment/contents/ui/ActionButton.qml

@@ -0,0 +1,45 @@
+/*
+    SPDX-FileCopyrightText: 2011 Marco Martin <mart@kde.org>
+    SPDX-FileCopyrightText: 2013 Sebastian Kügler <sebas@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+import QtQuick 2.15
+import QtQuick.Layouts 1.15
+
+import org.kde.plasma.plasmoid 2.0
+import org.kde.kirigami 2.20 as Kirigami
+import org.kde.plasma.components 3.0 as PC3
+
+PC3.ToolButton {
+    id: button
+
+    property QtObject qAction
+    readonly property int iconSize: Kirigami.Settings.hasTransientTouchInput
+        ? Kirigami.Units.iconSizes.medium
+        : Kirigami.Units.iconSizes.small
+
+    property alias toolTip: toolTip.text
+
+    onClicked: {
+        if (qAction) {
+            qAction.trigger()
+        }
+        if (!Plasmoid.containment.corona.editMode) {
+            appletContainer.editMode = false;
+        }
+    }
+
+    icon.width: iconSize
+    icon.height: iconSize
+
+    PC3.ToolTip {
+        id: toolTip
+        text: button.qAction ? button.qAction.text : ""
+        delay: 0
+        visible: button.hovered && text.length > 0
+        Kirigami.Theme.colorSet: Kirigami.Theme.Window
+        Kirigami.Theme.inherit: false
+    }
+}