Hi Chris, I'm not an expert, but based on what I've learned playing with GAL so far... As it stands right now, you will have to keep around an EDA_DRAW_PANEL_GAL, because as far as I can tell there is too much interdependence between the underlying GAL context, VIEW, and the draw panel. I am not familiar enough with wxWidgets to know what would happen if you tried to keep a single draw panel widget around, and attach/detach it from the component selector dynamically. But, if that is supported, you should be able to have your GAL panel start/stop drawing as needed.
-Jon On Thu, Mar 9, 2017 at 2:27 PM, Chris Pavlina <pavlina.ch...@gmail.com> wrote: > I'm trying to speed up my new component selector, since the previous one > loaded and searched so quickly. I don't want a serious efficiency > regression in one of the most used dialogs in eeschema. > > Since optimizing the column sizing cache and data sorting, the slowest > part is now loading FOOTPRINT_PREVIEW_PANEL, which has to initialize a > GAL. > > Tom/Orson/anyone else who knows GAL - can you think of a reasonable way > to either speed up the initialization or retain an initialized copy > between dialog invocations? I'm thinking about just keeping the dialog > in memory all the time and hiding it when not in use instead of > destroying and reinstantiating it - will this cause any problems with > GAL no longer having something to draw to? (Bear in mind I'm unfamiliar > with both GAL and how wxWidgets handles graphics here.) > > If it provides any relevant information, I'm currently forcing Cairo > mode in the component selector, to avoid having to deal with graphics > support in a simple dialog (since drawing efficiency is not required). > > -- > Chris > > _______________________________________________ > 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 >
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