DankMaterialShell/Modules/TopBar/FocusedApp.qml

import Quickshell
import QtQuick
import qs.Common
import qs.Services
import qs.Widgets

Rectangle {
    id: root

    property bool compactMode: SettingsData.focusedWindowCompactMode
    property int availableWidth: 400
    readonly property int baseWidth: contentRow.implicitWidth + Theme.spacingS * 2
    readonly property int maxNormalWidth: 456
    readonly property int maxCompactWidth: 288

    width: compactMode ? Math.min(baseWidth, maxCompactWidth) : Math.min(baseWidth, maxNormalWidth)
    height: 30
    radius: Theme.cornerRadius
    color: {
        if (!NiriService.focusedWindowTitle)
            return "transparent";

        const baseColor = mouseArea.containsMouse ? Theme.primaryHover : Theme.surfaceTextHover;
        return Qt.rgba(baseColor.r, baseColor.g, baseColor.b, baseColor.a * Theme.widgetTransparency);
    }
    clip: true
    visible: NiriService.niriAvailable && NiriService.focusedWindowTitle

    Row {
        id: contentRow

        anchors.centerIn: parent
        spacing: Theme.spacingS

        StyledText {
            id: appText

            text: {
                if (!NiriService.focusedWindowId)
                    return "";

                var window = NiriService.windows.find((w) => {
                    return w.id == NiriService.focusedWindowId;
                });
                if (!window || !window.app_id)
                    return "";

                var desktopEntry = DesktopEntries.byId(window.app_id);
                return desktopEntry && desktopEntry.name ? desktopEntry.name : window.app_id;
            }
            font.pixelSize: Theme.fontSizeSmall
            font.weight: Font.Medium
            color: Theme.surfaceText
            anchors.verticalCenter: parent.verticalCenter
            elide: Text.ElideRight
            maximumLineCount: 1
            width: Math.min(implicitWidth, compactMode ? 80 : 180)
            visible: !compactMode && text.length > 0
        }

        StyledText {
            text: "•"
            font.pixelSize: Theme.fontSizeSmall
            color: Theme.outlineButton
            anchors.verticalCenter: parent.verticalCenter
            visible: !compactMode && appText.text && titleText.text
        }

        StyledText {
            id: titleText

            text: NiriService.focusedWindowTitle || ""
            font.pixelSize: Theme.fontSizeSmall
            font.weight: Font.Medium
            color: Theme.surfaceText
            anchors.verticalCenter: parent.verticalCenter
            elide: Text.ElideRight
            maximumLineCount: 1
            width: Math.min(implicitWidth, compactMode ? 280 : 250)
            visible: text.length > 0
        }

    }

    MouseArea {
        id: mouseArea

        anchors.fill: parent
        hoverEnabled: true
    }

    Behavior on color {
        ColorAnimation {
            duration: Theme.shortDuration
            easing.type: Theme.standardEasing
        }

    }

    Behavior on width {
        NumberAnimation {
            duration: Theme.shortDuration
            easing.type: Theme.standardEasing
        }

    }

}