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Bug 123110

Summary:	Winsys DnD - Use half transparent drag image of whole window during DnD
Product:	platform	Reporter:	David Simonek <dsimonek>
Component:	Window System	Assignee:	Stanislav Aubrecht <saubrecht>
Status:	RESOLVED FIXED
Severity:	blocker	CC:	anebuzelsky
Priority:	P1	Keywords:	PLAN
Version:	6.x
Hardware:	All
OS:	All
Issue Type:	TASK	Exception Reporter:
Bug Depends on:	37198, 116628
Bug Blocks:	123118

Description David Simonek 2007-11-30 10:21:48 UTC

Description:
- dragging tab or whole window will use half transparent "ghost" image of the window with real content. Ghost window
image will follow mouse cursor.
- ghost image should be rescaled to some maximized ghost image size, for performance and usability reasons
- ghost image should be created outside EQ thread, performance reasons
- image should visually move back to original location if drop was not succesfull
- image should darken a bit when dragged over area which is refusing drop - such indication will replace DnD cursors,
which are not that intuitive not reliable (problems on various platforms)

Dependencies, risks and fallbacks:
- JNA library allows access to ghost drag image. Without JNA, we will use non-transparent drag image. 
- Performance risk: We will need to change/improve/update winsys DnD architecture and glass pane usage to tune drag
performance.

Time estimation: 3 man weeks

Comment 1 David Simonek 2008-03-04 15:08:13 UTC

implemented.