How to open external document to a second canvas in a docker?

[Inge Wallin]

On Saturday, October 13, 2012 03:42:37 Yue Liu wrote:
> Hi,
> 
> [deleted]
>
> But to implement this, I have to show a canvas and external document
> in a docker, I'm not sure how to do it right. My idea is:
> 
>  - class StencilDocument inherited from KoOdfDocument and
> KoShapeBasedDocumentBase
>  - class StencilCanvas inherited from KoCanvasBase
>  - put StencilCanvas in the docker, load StencilDocument to the canvas
>  - user drag shapes from the docker and drop to the application main canvas
> 
> Is this practical? If not, what would be a practical way of doing
> this? If it's totally wrong to do this, what do you think is a better
> solution for stencil box docker?

Although I'm not aware of the details to give a definite answer, it *looks* 
like it could work.  Another way would be to have an off-screen canvas, paint 
the stencil into a QImage, thereby creating a cache and then show only the 
image in the docker. If nothing else it would speed up the repainting a lot.

Also: If you have every stencil as one document, won't the loading time for 
the full stencil set be very long? One reason why you would have a whole 
stencil set in one file is that it makes loading and therefore the startup 
time of the application faster.

Finally, how will a stencil set be grouped? Will it be one file per stencil, 
one directory per set?

	-Inge

> Thanks,
> Yue Liu
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