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Which part of content window you can see when Scrolling

Discussion in 'UI Toolkit' started by Dankowski92, Jun 24, 2020.

  1. Dankowski92

    Dankowski92

    Joined:
    Jun 12, 2019
    Posts:
    2
    I'm displaying a timeline that can be rescaled and enlarged horizontally. When the timeline content window enlarges, it grows larger than the viewport and becomes scrollable.

    I would like to display information from the timeline based on wherever one browses their mouse over. Unfortunately I do not know which section of the timeline I'm browsing over as I only know my mouse position relative to the viewport window and not the content window.

    Is there anyway to know exactly which section of a content window is being displayed in a scroll view?
     
    Dankowski92, Jun 24, 2020
    #1

  2. danm36

    danm36

    Joined:
    May 18, 2016
    Posts:
    10
    ScrollViews have a 
    scrollOffset
    property as a Vector2. Adding that to your mouse position should get you the correct position on the scrollable element that the mouse is over.
     
    Last edited: Jun 25, 2020
    danm36, Jun 25, 2020
    #2

  3. uMathieu

    uMathieu

    Unity Technologies

    Joined:
    Jun 6, 2017
    Posts:
    384
    You can use the ChangeCoordinatesTo extension method to move from one element local space to the other. WorlToLocal/LocalToWorld might be of use as well
     
    uMathieu, Jun 25, 2020
    #3

  4. Dankowski92

    Dankowski92

    Joined:
    Jun 12, 2019
    Posts:
    2
    I have declared a public ScrollView object in script but it is not showing as a property in the Inspector window in the script component. There are no compile errors and I made sure I have saved it.
     
    Dankowski92, Jun 25, 2020
    #4

  5. uMathieu

    uMathieu

    Unity Technologies

    Joined:
    Jun 6, 2017
    Posts:
    384
    As VisualElements are not serializable, you can't see them in the inspector
     
    uMathieu, Jun 26, 2020
    #5