nixfiles/quickshell/Components/FocusedWindow.qml

import QtQuick
import QtQuick.Layouts
import Quickshell
import Niri 0.1
import "root:/DataSources"
import "root:/Helpers"

RowLayout {
  id: root
  property string title: get_text()
  property string icon_path: get_icon()
  property string app_id: get_app_id()

  function get_app_id() {
    var app_id = niri.focusedWindow?.appId;
    return app_id
  }

  function get_text() {
    var full_title = niri.focusedWindow?.title ?? "";
    var shortened_title = full_title.substring(0, 20);
    if (full_title.length > 20) {
      shortened_title += "…"
    }
    return shortened_title
  }

  function get_icon() {
    var icon = ThemeIcons.iconForAppId(app_id);
    if (icon && icon !== "") {
      return icon
    }
  }

  spacing: 10

  Image {
    anchors.verticalCenter: parent.verticalCenter
    source: icon_path
    visible: title != ""
    sourceSize.width: 24
    sourceSize.height: 24
    smooth: true
  }
  Text {
    text: title
    color: Settings.defaultFg
  }
}