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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] Overlay scrolling with iframe-s broken"
href="https://bugs.webkit.org/show_bug.cgi?id=165056">165056</a>
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<th>Summary</th>
<td>[GTK] Overlay scrolling with iframe-s broken
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
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<th>Version</th>
<td>WebKit Local Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>WebKit2
</td>
</tr>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcrha@redhat.com
</td>
</tr></table>
<p>
<div>
<pre>Moving this from a downstream bug report:
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1395942">https://bugzilla.redhat.com/show_bug.cgi?id=1395942</a>
When gtk+ has set overlay scrollbars and the page contains at least one iframe, then the scrolling using the scrollbars with mouse left-click doesn't always work.
Observations:
a) mouse wheel works fine (when hovering mouse above the scroll bar)
b) when the vertical scrollbar is at the very bottom, then it works too
c) when I disable overlay scrollbars [1], then it works no matter what
[1] run the application as:
$ GTK_OVERLAY_SCROLLING=0 test-wk2</pre>
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</p>
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