[Ktechlab-devel] some progress

[Alan Grimes]

Julian Bäume wrote:
> hi,
> I just wanted to show some progress, I made with the kde4 port. I implemented 
> basic functionality of drawing connectors (graphical representation of a 
> wire), tonight. The nights before, I refactored the work I did on drawing 
> components. It's now based on QGraphicsView system. I noticed some conflicts 
> between the old QCanvas implementation and the new one, regarding coordinate 
> systems and reference points. Therefore I'd like to slightly change the 
> circuit-file format, to make it fit better to the needs of the new graphics-
> system. I'm not sure, how exactly I want to change it, but I don't like it, as 
> it is done, at the moment. One example I don't like is the use of different 
> reference points and scales. A route in a connector is stored relatively to an 
> 8x8 grid, item's coordinates are stored in absolute pixel-values. I still 
> don't want to break old files, so I want to provide some legacy code, to load 
> old style circuit files and save them as the new version. But as I said, I 
> need to clarify some things, before proceeding (i.e. implement write support).

I did a cleanup pass of the connector code about a month ago. I hope you
are basing your changes to connectors off the current SVN, it is
considerably less buggy and more readable...


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