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➜ MUSHclient
➜ Bug reports
➜ Hiding the scrollbar makes touchscreens no longer able to scroll output?
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Hiding the scrollbar makes touchscreens no longer able to scroll output?
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| Posted by
| Fiendish
USA (2,533 posts) Bio
Global Moderator |
| Date
| Sun 23 Aug 2020 09:56 PM (UTC) |
| Message
| | I don't know what's going on exactly, but I have reports from a few people with touchscreens now that if the main scrollbar is visible, dragging on their touchscreen scrolls the output. But if they hide the scrollbar with SetScroll(-2, false) then their touchscreens are no longer able to scroll the display and dragging highlights text instead. |
https://github.com/fiendish/aardwolfclientpackage | | Top |
|
| Posted by
| Nick Gammon
Australia (23,070 posts) Bio
Forum Administrator |
| Date
| Reply #1 on Mon 24 Aug 2020 12:42 AM (UTC) |
| Message
| | This is probably an OS issue - if there is no scrollbar then the dragging of the finger has nowhere to direct the movement to. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Fiendish
USA (2,533 posts) Bio
Global Moderator |
| Date
| Reply #2 on Mon 24 Aug 2020 04:11 PM (UTC) Amended on Mon 24 Aug 2020 04:13 PM (UTC) by Fiendish
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| Message
| Ah, allowing touchscreen scrolling at all seems like a legacy fallback behavior. By default Windows 7+ converts WM_GESTURE into WM_*SCROLL but only if a scrollbar is present. It seems like it may be possible to restore touchscreen scrolling even without a scrollbar by registering for WM_GESTURE as well if it's available?
https://docs.microsoft.com/en-us/windows/win32/wintouch/legacy-support-for-panning-with-scrollbars
https://docs.microsoft.com/en-us/windows/win32/wintouch/improving-the-single-finger-panning-experience
https://docs.microsoft.com/en-us/windows/win32/wintouch/windows-touch-gestures-overview#legacy-support |
https://github.com/fiendish/aardwolfclientpackage | | Top |
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