Add RoundButton

[ChangeLog][Controls] Added RoundButton.

Change-Id: I30a8b9e942a61089e87fb1aa248432e42caf0d20
Task-number: QTBUG-54967
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>

1 files changed, 87 insertions, 0 deletions

diff --git a/src/imports/controls/universal/RoundButton.qml b/src/imports/controls/universal/RoundButton.qml
new file mode 100644
index 00000000..61701099
--- /dev/null
+++ b/src/imports/controls/universal/RoundButton.qml
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.6
+import QtQuick.Templates 2.1 as T
+import QtQuick.Controls.Universal 2.1
+
+T.RoundButton {
+    id: control
+
+    implicitWidth: Math.max(background ? background.implicitWidth : 0,
+                            contentItem.implicitWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(background ? background.implicitHeight : 0,
+                             contentItem.implicitHeight + topPadding + bottomPadding)
+    baselineOffset: contentItem.y + contentItem.baselineOffset
+
+    hoverEnabled: Qt.styleHints.useHoverEffects
+
+    padding: 8
+
+    property bool useSystemFocusVisuals: true
+
+    contentItem: Text {
+        text: control.text
+        font: control.font
+        elide: Text.ElideRight
+        horizontalAlignment: Text.AlignHCenter
+        verticalAlignment: Text.AlignVCenter
+
+        opacity: enabled ? 1.0 : 0.2
+        color: control.Universal.foreground
+    }
+
+    background: Rectangle {
+        implicitWidth: 32
+        implicitHeight: 32
+
+        radius: control.radius
+        visible: !control.flat || control.down || control.checked || control.highlighted
+        color: control.down ? control.Universal.baseMediumLowColor :
+               control.enabled && (control.highlighted || control.checked) ? control.Universal.accent :
+                                                                             control.Universal.baseLowColor
+
+        Rectangle {
+            width: parent.width
+            height: parent.height
+            radius: control.radius
+            color: "transparent"
+            visible: control.hovered
+            border.width: 2 // ButtonBorderThemeThickness
+            border.color: control.Universal.baseMediumLowColor
+        }
+    }
+}