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Middle Mouse Auto Scroll Broken-Bugged
Reported by
deanvg9...@gmail.com,
Feb 12 2018
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 Steps to reproduce the problem: Requirements: Use a 3 button mouse (or more than 3 buttons), Notes: middle mouse button is the mouse wheel. 1. Visit any website 2. click the middle mouse button the enable auto scroll 3. move the mouse button down the page, do this slowly, a small distance (so that it will scroll) 4. scroll on the mouse wheel up or down or both. 5. it will stay locked to the auto scroll while icon with the correct arrow orientation relating to the starting point of it being click previously in step 2. 6. click (left, right, middle or other) will return the cursor to the normal state. What is the expected behavior? after step 5, it should return to the default cursor. What went wrong? incorrect representation of the current mouse cursor and misleading auto scroll cursor displayed. Did this work before? Yes 6.4.388 (all previous versions that I have test) Chrome version: 63.0.3239.132 Channel: stable OS Version: 10.0 Flash Version: I couldn't understand why it wasn't autoscrolling, so I have found the bug, please fix, Thank you :) <3
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Feb 12 2018
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Feb 28 2018
deanvg9000@ Thanks for the issue. Tested this issue on Windows 10 on the reported version 63.0.3239.132 and the latest Canary by following the steps given in the original comment. On 3 button mouse, after following the steps 1-5, and hitting on the left/right mouse button, can observe that the default mouse pointer is shown. Attached is the screen cast for reference. Request you to upgrade chrome to the latest version, retry the issue on a new profile without any flags/extensions and update the thread with the observations. Thanks..
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Mar 13 2018
Actually the expected behaviour is that using the mouse wheel when in autoscroll exacerbates or negates some of the autoscroll movement, depending on the direction, then when mouse wheel movement stops the autoscroll continues at it's previous speed. This is a similar bug to issue 806562. Using the mouse wheel and/or moving outside the web page cancel the autoscroll rather than allowing it to continue. This is a regression and extremely annoying.
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Apr 9 2018
This is also reproducible if you perform the actions in the opposite order. i.e. scroll first > quickly middle click > autoscroll doesn't work Q. How easy is it to accidentally scroll up one notch as you middle click? A. Extremely easy Q. How broken is autoscroll? A. Very
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May 24 2018
mustang@ - Please check the issue using latest chrome stable #66.0.3359.181 and please let us know if the issue still persists or not. The latest chrome builds can be downloaded from the below URL: https://www.chromium.org/getting-involved/dev-channel Thanks...!!
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May 24 2018
krajshree, I tested 66.0.3359.181 and the issue does still persist. If anything it's worse now, the scroll stop still occurs, but now with a 1-2 second delay.
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Oct 29
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Nov 1
I think wheel-scroll is not handled correctly while auto-scrolling? May be we should either ignore wheel-scroll or cancel current autoscroll? Assigning to sahel@ who is looking at related Issue 806562.
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Nov 1
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Comment 1 by deanvg9...@gmail.com
, Feb 12 2018