add missing file

containments/taskpanel/package/contents/ui/Button.qml

@@ -0,0 +1,51 @@
+/*
+ *  Copyright 2015 Marco Martin <mart@kde.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  2.010-1301, USA.
+ */
+
+import QtQuick 2.4
+import QtQuick.Layouts 1.1
+
+import org.kde.plasma.plasmoid 2.0
+import org.kde.plasma.core 2.0 as PlasmaCore
+import org.kde.plasma.components 2.0 as PlasmaComponents
+import org.kde.kquickcontrolsaddons 2.0
+
+MouseArea {
+    id: button
+    width: Math.min(parent.width, parent.height)
+    height: width
+    property alias iconSource: icon.source
+    property bool checked
+    property bool checkable
+
+    Rectangle {
+        anchors.fill:parent
+        radius: width/4
+        visible: button.checked
+        color: theme.highlightColor
+    }
+    PlasmaCore.IconItem {
+        id: icon
+        anchors.fill: parent
+        colorGroup: PlasmaCore.Theme.ComplementaryColorGroup//PlasmaCore.ColorContext.colorGroup
+    }
+    onClicked: {
+        if (checkable) {
+            checked = !checked;
+        }
+    }
+}