Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.
Bug 295475 - Mouse-events do not work during drag-gestures in FF
Summary: Mouse-events do not work during drag-gestures in FF
Status: RESOLVED FIXED
Alias: None
Product: RAP
Classification: RT
Component: RWT (show other bugs)
Version: 1.3   Edit
Hardware: All All
: P3 normal (vote)
Target Milestone: 1.3 M4   Edit
Assignee: Project Inbox CLA
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 285390
  Show dependency tree
 
Reported: 2009-11-18 10:33 EST by Tim Buschtoens CLA
Modified: 2009-11-19 06:57 EST (History)
1 user (show)

See Also:

Attachments
Fix (1.83 KB, patch)
2009-11-18 10:55 EST, Tim Buschtoens CLA 		no flags Details | Diff
alternative fix-implementation (1.87 KB, patch)
2009-11-18 11:51 EST, Tim Buschtoens CLA 		ruediger.herrmann: iplog+
Details | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Tim Buschtoens CLA 2009-11-18 10:33:41 EST 
When trying to "drag" an element in Firefox, no "mouseover" and "mouseout"-events are thrown if the element has "overflow:hidden". "mousemove"-events work but have an incorrect originalTarget. Setting "-moz-user-select:none" on the element cancels the effect.

Reproduce in Controls-Demo:
- Press down over an empty space in a group-box.
- Hover check-boxes in the same group: Hover-effect is there.
- Hover check-boxes in another group: No hover-effect.

This bug prevents a working drag&drop-implementation.

Qooxdoo bug: http://bugzilla.qooxdoo.org/show_bug.cgi?id=3008
Mozilla bug: http://bugzilla.mozilla.org/show_bug.cgi?id=339293
Comment 1 Tim Buschtoens CLA 2009-11-18 10:55:38 EST 
Created attachment 152483 [details]
Fix

This works by calling preventDefault on mousedown. An exception must be made for "input"-elements, otherwise it would be impossible to interact with them using the mouse. This also means that they are not dragable.

Using "-moz-user-select:none" is not practical since the behavior that this causes is inheritable and can not be overwritten, hence it would be impossible to select text in text-fields.
Comment 2 Tim Buschtoens CLA 2009-11-18 11:51:19 EST 
Created attachment 152485 [details]
alternative fix-implementation

Works 100% identical, but out of principle the preventDefault is called outside the try-catch block.
Comment 3 Rüdiger Herrmann CLA 2009-11-19 06:22:44 EST 
Applied patch to CVS HEAD