| Is that possible to make custom SWT widget work as native RWT widgets? [message #879085] |
Wed, 30 May 2012 13:45 |
 Xihui Chen
Messages: 35
Registered: June 2011 |
Member |
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Custom SWT/draw2d widgets are drawn from GC, so each update on custom widget would require the transferring of all painting info from client side. For example: updating a custom label widget will transfer information like "draw a rectangle, fill the background, draw the text", while a native RWT lable widget only need to transfer the text string and browser knows how to rendering the label widget with this text string.
For complicated custom SWT widgets such as Nebula widget, this results in a big overhead on traffic. I have looked at RAP clientScripting, but it can only modify the behavior of existing RWT widgets.
My idea is that converting/compiling GC/draw2d drawing code to Javascript code, so the server only needs to transfer the value to browser and browser knows how to draw it.
Is that possible?
Thanks!
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