shift-shell/shell/contents/views/Desktop.qml

/*
 *   SPDX-FileCopyrightText: 2014 Aaron Seigo <aseigo@kde.org>
 *   SPDX-FileCopyrightText: 2012 Marco Martin <notmart@gmail.com>
 *
 *   SPDX-License-Identifier: LGPL-2.0-or-later
 */

import QtQuick 2.7
import QtGraphicalEffects 1.0
import QtQuick.Controls 2.3
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.shell 2.0 as Shell
import org.kde.plasma.workspace.components 2.0 as PlasmaWorkspace
import org.kde.kquickcontrolsaddons 2.0
import org.kde.activities 0.1 as Activities

Rectangle {
    id: root

    visible: false //adjust borders is run during setup. We want to avoid painting till completed
    property Item containment

    color: (containment && containment.backgroundHints == PlasmaCore.Types.NoBackground) ? "transparent" : PlasmaCore.Theme.textColor

    function toggleWidgetExplorer(containment) {
        console.log("Widget Explorer toggled");
        if (widgetExplorerStack.source != "") {
            widgetExplorerStack.source = "";
        } else {
            widgetExplorerStack.setSource(desktop.fileFromPackage("explorer", "WidgetExplorer.qml"), {"containment": containment, "containmentInterface": root.containment})
        }
    }

    Loader {
        id: widgetExplorerStack
        z: 99
        asynchronous: true
        y: containment ? containment.availableScreenRect.y : 0
        height: containment ? containment.availableScreenRect.height : parent.height
        width: parent.width
        
        onLoaded: {
            if (widgetExplorerStack.item) {
                item.closed.connect(function() {
                    widgetExplorerStack.source = ""
                });

                item.topPanelHeight = containment.availableScreenRect.y
                item.bottomPanelHeight = root.height - (containment.availableScreenRect.height + containment.availableScreenRect.y)

                item.leftPanelWidth = containment.availableScreenRect.x
                item.rightPanelWidth = root.width - (containment.availableScreenRect.width + containment.availableScreenRect.x)
            }
        }
    }

    onContainmentChanged: {
        containment.parent = root;
        containment.visible = true;
        containment.anchors.fill = root;
    }

    Component.onCompleted: {
        visible = true
    }
}