QutePleroma/src/Gui/Style/PStyle/PStackView.qml

import QtQuick
import QtQuick.Controls
import "."

StackView {
  pushEnter: Transition {
    PropertyAnimation {
      property: "opacity"
      from: 0
      to: 1
      duration: PStyle.animationDuration
    }
  }

  pushExit: Transition {
    PropertyAnimation {
      property: "opacity"
      from: 1
      to: 0
      duration: PStyle.animationDuration
    }
  }

  popEnter: Transition {
    PropertyAnimation {
      property: "opacity"
      from: 0
      to: 1 
      duration: PStyle.animationDuration
    }
  }

  popExit: Transition {
    PropertyAnimation {
      property: "opacity"
      from: 1
      to: 0
      duration: PStyle.animationDuration
    }
  }
}