latte-dock/shell/package/contents/configuration/canvas/SettingsOverlay.qml

/*
*  Copyright 2019  Michail Vourlakos <mvourlakos@gmail.com>
*
*  This file is part of Latte-Dock
*
*  Latte-Dock 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.
*
*  Latte-Dock 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, see <http://www.gnu.org/licenses/>.
*/

import QtQuick 2.7
import QtGraphicalEffects 1.0
import QtQuick.Layouts 1.1

import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents

import "controls" as SettingsControls
import "maxlength" as MaximumLength

//import "../../code/ColorizerTools.js" as ColorizerTools

Item{
    id: settingsRoot
    readonly property bool containsMouse: false /*headerSettings.containsMouse || ruler.containsMouse
                                          || tooltipMouseArea.containsMouse || editBackMouseArea.containsMouse*/
    readonly property int thickness: ruler.thickness + headerSettings.thickness + spacing * 6
    readonly property int spacing: 4

    property int textShadow: {
        if (textColorIsDark)  {
            return 1;
        } else {
            return 6;
        }
    }

    property string tooltip: ""

    readonly property real textColorBrightness: 150// ColorizerTools.colorBrightness(textColor)
    readonly property bool textColorIsDark: textColorBrightness < 127.5

    readonly property color bestContrastedTextColor: {
        if (imageTiler.opacity <= 0.4 && !plasmoid.configuration.inConfigureAppletsMode && themeExtended) {
            return latteView.colorizer.currentBackgroundBrightness > 127.5 ?
                        themeExtended.lightTheme.textColor :
                        themeExtended.darkTheme.textColor;
        }

        return latteView && latteView.layout ? latteView.layout.textColor : "#D7E3FF";
    }

    readonly property color textColor: bestContrastedTextColor

    layer.enabled: graphicsSystem.isAccelerated
    layer.effect: DropShadow{
        radius: settingsRoot.textShadow
        fast: true
        samples: 2 * radius
        color: root.appShadowColorSolid
    }

    HeaderSettings{
        id: headerSettings
    }

    MaximumLength.Ruler {
        id: ruler
        thicknessMargin: headerSettings.thickness + 3 * spacing
        thickMargin: 3
    }
}