Bug 465848 - [DnD] [Editor] Bug: When dragging and dropping text, the mouse wheel ceases to function.
Summary: [DnD] [Editor] Bug: When dragging and dropping text, the mouse wheel ceases t...
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: SWT (show other bugs)
Version: 4.4.2   Edit
Hardware: PC Windows All
: P3 minor with 1 vote (vote)
Target Milestone: ---   Edit
Assignee: Platform-SWT-Inbox CLA
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Reported: 2015-04-29 13:56 EDT by David Levin CLA
Modified: 2020-01-11 14:42 EST (History)
2 users (show)

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Description David Levin CLA 2015-04-29 13:56:14 EDT 
To replicate:
1. Highlight some text that you want to drag and drop someplace else.  
2. While in the process of dragging and dropping try and use your mouse wheel to scroll.  
3. The scroll functionality ceases to work until you have dropped the text.

Workaround: Use copy/paste instead if you need to use your mouse wheel.
Comment 1 Pierre-Yves Bigourdan CLA 2020-01-11 13:19:10 EST 
Can reproduce. This also affects other drag and drop operations, for example when moving resources in the package explorer.
Comment 2 Paul Pazderski CLA 2020-01-11 14:42:39 EST 
Another workaround is to move the mouse close to the edge of the scrollable widget while dragging. It will then automatically scroll in this direction (but rather slow to be honest).

Should be a SWT issue. Reproducible using Snippet91.

You could even say this is common behavior on Windows. Tried a few applications and the only one which allowed scrolling while dragging was LibreOffice (Calc and Writer). All other tested applications (Windows Explorer, Internet Explorer, Visual Studio, Notepad++, Firefox) had the same behavior as SWT. Worst is IE where the cursor does not change back when scrolling was used while dragging.