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Resizing iframe stop capturing mouse wheel #2515

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osasseville opened this issue Sep 14, 2018 · 6 comments
Closed

Resizing iframe stop capturing mouse wheel #2515

osasseville opened this issue Sep 14, 2018 · 6 comments
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upstream These issues require fixing in the Chromium Embedded Framework(CEF) or Chromium. wpf
Milestone
69.0.0

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@osasseville
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osasseville commented Sep 14, 2018 •
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Bug Report

  • Version: CefSharp.WPF v67.0.0 (x86) Nuget Package
  • OS: Windows 10
  • Problem: resizing iframe stop capturing mouse wheel
  • Steps to reproduce:
    • Go to this code pen in a ChromiumWebBrowser from CefSharp.Wpf v67.0.0 nuget package.
    • Drag the gray horizontal row in the middle of the page up then down to resize the iframes
    • Scrolling in the iframes using the mouse wheel does not work anymore
  • This works well with chrome 67.0.3396.79 and CEF 3.3396.1785.ga27bbfa / Chromium 67.0.3396.79 Sample application (download here)
@osasseville osasseville changed the title Resizing iframe prevents the mousewheel from scrolling Resizing iframe stop capturing mouse wheel Sep 14, 2018
@amaitland
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What command line args did you load cefclient with?

@cefsharp cefsharp deleted a comment from welcome bot Sep 14, 2018
@osasseville
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osasseville commented Sep 15, 2018 via email •
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@amaitland
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  • This works well with chrome 67.0.3396.79 and CEF 3.3396.1785.ga27bbfa / Chromium 67.0.3396.79 Sample application (download here)

When testing CEF you need to use the following command line args cefclient --multi-threaded-message-loop --off-screen-rendering-enabled

@amaitland amaitland added this to the 69.0.0 milestone Sep 15, 2018
@amaitland
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I expect what your seeing is related to https://bitbucket.org/chromiumembedded/cef/issues/2214/osr-scroll-is-erratic-after-using-mouse and will be resolved in version 69.

Testing with 05b37ab and everything works as expected.

@amaitland amaitland added wpf upstream These issues require fixing in the Chromium Embedded Framework(CEF) or Chromium. labels Sep 15, 2018
@osasseville
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I just tried the CodePen with cefclient --multi-threaded-message-loop --off-screen-rendering-enabled and it reproduce the issue.

Removing the --off-screen-rendering-enabled seems to resolve the issue. Is there any equivalent in CefSharp?

@amaitland
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Using the WinForms version is the equivalent.

Closing as this has been resolved and will be fixed in the 69 release.

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upstream These issues require fixing in the Chromium Embedded Framework(CEF) or Chromium. wpf
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Milestone
69.0.0
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@amaitland @osasseville