Windows 10: Microsoft plans to fix Chromium’s pinch-zoom on Windows 10

Discus and support Microsoft plans to fix Chromium’s pinch-zoom on Windows 10 in Windows 10 News to solve the problem; Last year Microsoft announced that it plans to become a significant contributor to the Chromium project. The firm’s contributions could benefit all... Discussion in 'Windows 10 News' started by WinLatest, Aug 19, 2019.

  1. WinLatest New Member

    Microsoft plans to fix Chromium’s pinch-zoom on Windows 10


    Last year Microsoft announced that it plans to become a significant contributor to the Chromium project. The firm’s contributions could benefit all browsers like new Edge and Google Chrome on Windows 10 and even other platforms.

    In addition to improvements for mouse scrolling performance, Microsoft is now also looking into Chromium’s weird pinch-zoom behaviour on some Windows 10 devices such as the Surface Pro and Surface Book.

    According to a months-old bug post, users cannot prevent pinch-zoom gesture on a Windows 10 device like Surface Pro with the touchpad. The bug can be reproduced on some webpages when you try to pinch to zoom with two fingers, and move a finger away from the touchpad centre point and still have one finger on the location.

    As a user explains, you won’t be able to prevent pinch-zoom gesture in the following case:

    • Place cursor over the “Real prevent default handler” scroller
    • Do a fast touchpad fling (note, the scroller won’t actually scroll).
    • Immediately perform a pinch zoom gesture.

    According to a Microsoft engineer, it’s easier to reproduce this behaviour on Surface devices, though it could be also experienced on MacBook 2016 and MacBoook Pro 2018.

    “It’s hard to reproduce intentionally. During work, a bug occurs 5 times per day. Also error is not reproduced on every computer. I’m facing it on MacBook 2016 and MacBook Pro 2018 13 inch sans touch bar,” the engineer noted. “According to my subjective feelings, it’s easier to reproduce on Surface Book Pro”.

    According to a commit, Microsoft has a solution to correctly ‘preventDefault’ pinch zoom.

    The commit, which is marked ‘active’, states that the pinch-zoom was incorrectly not being preventDefault’d sometimes.

    “In two different scenarios: either the transition from scroll->pinch, or from fling->pinch,” the proposal reads. “This CL fixes this by checking the event that was being ACK’d vs the event that TPEQ expects an ACK for, and if they don’t match then it early outs and ignores the ACK.”

    According to another commit, Microsoft wants to dispatch scroll end event immediately when a fling isn’t going to happen.

    “Now with this change, if we are transitioning from a scroll to a pinch, the momentum_phase of an event is set to Blocked, signalling that a momentum scroll will not happen. We then immediately dispatch the end event without waiting,” Microsoft noted.

    This change will also contribute to Chromium’s pinch-zoom issue fix.

    The post Microsoft plans to fix Chromium’s pinch-zoom on Windows 10 appeared first on Windows Latest

    Weiterlesen...
     
    WinLatest, Aug 19, 2019
    #1
  2. hballam Win User

    Pinch screen zoom

    Thanks for your reply but there is no pinch zoom option for my windows 10 surface pro 5th edition, or at least going through your steps I can't find it. Any other suggestions would be great.

    Helen
     
    hballam, Aug 19, 2019
    #2
  3. torre Win User
    pinch zoom fixes do not work


    I do not have a touchpad. I never said I did. But the posted solution indicates at this is the easy way to Disable Pinch Zoom. that is why I looked for a registry solution


    Educate us on Gaming Laptops. They do not have a touchpad ?

    Edit: Just saw post above. Looks like it does have touchpad. If so, try my suggestion in post #3 which should disable pinch zoom for the system.
     
    torre, Aug 19, 2019
    #3
  4. Microsoft plans to fix Chromium’s pinch-zoom on Windows 10

    Permanently disable Pinch Zoom in Windows 10

    Hi Kath,

    Thank you for posting in Microsoft Community, we appreciate your interest in Windows 10.

    As your concern is about disabling the Pinch option try the below and check if it helps.

    Steps:

    • Press Windows + X, click on Control Panel.
    • Click on Mouse, click Device Settings Tab.
    • Click Settings button.
    • Under Scrolling, click on Pinch Zoom.
    • Uncheck the option Enable Pinch Zoom.
    • Click Apply and click Ok

    Hope it helps. Reply to the post with an updated status of this issue, we will be happy to help you.
     
    Deepika Gowda, Aug 19, 2019
    #4
Thema:

Microsoft plans to fix Chromium’s pinch-zoom on Windows 10

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