ability to disable two finger scrolling

chonlee · 11-03-2024, 05:42 PM

It would be great to have in options the ability to disable two finger scrolling. Sometimes accidental scrolls move you far away from your current reading position. (for example Books moves you with two finger scroll only by one page)

An alternative: it will be great to have scroll history in case of accidental scrolls.

kovidgoyal · 11-03-2024, 10:06 PM

The calibre viewer by default also moves you by one page for a scroll event. And you can adjust the pixel threshold for pixel based scrolling methods in the viewer preferences under scrolling behavior to make it harder to turn pages by a two finger swipe which on macOS IIRC generates pixel scroll events.

chonlee · 11-04-2024, 03:53 PM

Thank you for answering, but I didn't find yet how to configure it.

One example: I'm at page 100.7/650 15%, I'm doing a two finger swipe up with my fingers ending in air, and now I'm at 135.2/650 21%.

May be you mean a slow swipe when finger don't end in air, but usually accidental swipes work like this, they move you by a lot of pages.

Also I've tried to change in Scrolling behavior the pixel scroll threshold which by default is 60 to 0 and Smooth scrolling speed in lines/sec which is 20 to 5 and it didn't change anything.

kovidgoyal · 11-04-2024, 07:27 PM

You want to increase the pixel scroll threshold not decrease it.

chonlee · 11-06-2024, 09:06 PM

Quote:

Originally Posted by kovidgoyal

You want to increase the pixel scroll threshold not decrease it.

Thank you, it helped reduced the scroll, but it still scrolls by about 7 pages, from 500.7/650 to 507.8/650
And i set it to maximum 1000 (it can't be set to bigger values)

kovidgoyal · 11-06-2024, 09:40 PM

I will increase the max in the next release.

11-03-2024, 05:42 PM	#1
chonlee Junior Member Posts: 4 Karma: 10 Join Date: Oct 2024 Device: none	ability to disable two finger scrolling It would be great to have in options the ability to disable two finger scrolling. Sometimes accidental scrolls move you far away from your current reading position. (for example Books moves you with two finger scroll only by one page) An alternative: it will be great to have scroll history in case of accidental scrolls.

11-04-2024, 03:53 PM	#3
chonlee Junior Member Posts: 4 Karma: 10 Join Date: Oct 2024 Device: none	Thank you for answering, but I didn't find yet how to configure it. One example: I'm at page 100.7/650 15%, I'm doing a two finger swipe up with my fingers ending in air, and now I'm at 135.2/650 21%. May be you mean a slow swipe when finger don't end in air, but usually accidental swipes work like this, they move you by a lot of pages. Also I've tried to change in Scrolling behavior the pixel scroll threshold which by default is 60 to 0 and Smooth scrolling speed in lines/sec which is 20 to 5 and it didn't change anything. Last edited by chonlee; 11-04-2024 at 03:56 PM.

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11-03-2024, 10:06 PM	#2
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	The calibre viewer by default also moves you by one page for a scroll event. And you can adjust the pixel threshold for pixel based scrolling methods in the viewer preferences under scrolling behavior to make it harder to turn pages by a two finger swipe which on macOS IIRC generates pixel scroll events.

11-04-2024, 07:27 PM	#4
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	You want to increase the pixel scroll threshold not decrease it.

11-06-2024, 09:40 PM	#6
kovidgoyal creator of calibre Posts: 45,345 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	I will increase the max in the next release.

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