plasma-framework/declarativeimports/plasmacomponents/qml/ToolBarLayout.qml

/*
*   Copyright (C) 2011 by Marco Martin <mart@kde.org>
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU Library General Public License as
*   published by the Free Software Foundation; either version 2, 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 Library General Public License for more details
*
*   You should have received a copy of the GNU Library General Public
*   License along with this program; if not, write to the
*   Free Software Foundation, Inc.,
*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/


// ToolBarLayout is a container for items on a toolbar that automatically
// implements an appropriate layout for its children.

/**Documented API
Inherits:
        Row

Imports:
        QtQuick 1.1

Description:
        ToolBarLayout is a container for items on a toolbar that automatically implements an appropriate layout for its children.
**/

import QtQuick 1.1
import "." 0.1


Row {
    id: root

    visible: false

    Item {
        id: spacer
        width: 10
        height: 10
    }

    QtObject {
        id: internal
        property bool layouting: false
        function layoutChildren()
        {
            var numChildren = root.children.length
            if (layouting || parent == null ||
                root.width == 0 || numChildren < 2) {
                return
            }

            layouting = true
            spacer.parent = null

            spacer.width = root.parent.width - root.childrenRect.width -10

            var last = root.children[numChildren-2]
            last.parent = null
            spacer.parent = root
            last.parent = root
            layouting = false
        }
    }

    Component.onCompleted: internal.layoutChildren()
    onChildrenChanged: internal.layoutChildren()
    onWidthChanged: internal.layoutChildren()
}