On 08/09/2013 10:15 PM, Dick Hollenbeck wrote: > On 08/02/2013 12:10 PM, Tomasz Wlostowski wrote: >> Hello, >> >> Thanks to Orson, Camille, Vesa and others we now have the cool and >> lightning-fast GAL-driven graphics view in pcbnew. Now it's time to make >> it do some real work, that means editing operations. >> >> Since the GAL does not allow XOR rendering, some significant refactoring >> of the editing tools' code will have to happen at some point. I took it >> as an opportunity to propose a tiny library/framework/abstraction (pick >> your favorite name) for the editing tools. Its main goals are: >> - separate tool = separate class, contrary to the current state where >> all tools reside in PCB_EDIT_FRAME event handlers. This would allow for >> writing new tools without touching the frame code (which is quite >> complex) and abstract tools into plugins. >> - no "asynchronous" drawing. If a tool wants to draw something, it adds >> it to a VIEW, and the VIEW makes sure it's displayed in correct order >> and without damaging other parts of screen. >> - eliminate static/global tool states. >> - independence from the GUI toolkit and its quirks on different systems. >> Tools get the events in world space that are already adjusted to what's >> going on with the view (panning, scrolling, zoom, etc.) >> - tools accessible from scripts >> >> I wrote a slightly longer technical description and uploaded it to the >> CERN project Wiki: http://www.ohwr.org/projects/cern-kicad/wiki/Kicad-tool. >> >> There is a demo available (kicad-gal-orson branch), that shows a simple >> selection tool (Go to Edit->Selection tool with the GAL view enabled). >> It's not yet useful for any practical purposes and very unstable - It's >> purpose is it just to show the overall idea and prepare ground for >> technical discussion. >> >> Thanks in advance for your feedback, >> Tom > > Tom, > > You deserve better than this buddy. Anyone give you feedback yet? > > I will try to this weekend. Please don't take the silence as anyone thinking > your work is > not exceedingly important.
Wayne, JP, anyone else, please give this document a look over, or live with the choices Tom makes. (Neither path is likely to be bad.) Thanks, Dick > > > Thanks, > > > Dick > _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : kicad-developers@lists.launchpad.net Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp