jqt is single threaded but it should be responsive for the scenario that you described. Can you post a simple script to exemplify the behavior?
On Thu, 23 Mar 2023 at 6:36 AM Ed Gottsman <[email protected]> wrote: > Hello. > > I've got a Window Driver application whose left side is an isigraph > control and whose right side is a webview control. The webview loads pages > in response to interaction with the isigraph. > > The isigraph side is quite snappy despite almost zero optimization effort > (a tribute to the developers of the J runtime, the gl2 library, etc.). > > The webview…is much less responsive, even when loading locally-cached > HTML. In fact, as long as the mouse is moving and frames are being > generated in the isigraph, the webview is unresponsive. Only when the > mouse pauses (and no frames are generated) does the webview load a page. > > I *think* that what's happening is that the two Window Driver child > controls share a core, and the isigraph side steals all of the available > cycles to service mouse-move events by generating frames, leaving no cycles > for the webview to parse and render HTML. > > With that in mind, it seems possible that I could improve the > responsiveness of the webview by threading off some or all of the > (considerable) work that goes into generating an isigraph frame, leaving > most of the shared core's cycles for the webview. > > I hesitate, however, before re-arranging the code because 1) I'm not sure > about the diagnosis and 2) I've worked in graphics environments where > you're not allowed to update GUI controls off the main thread and 3) maybe > there's a much simpler approach (can I somehow thread off the webview, > e.g.?). > > Comments on any part of this would be greatly appreciated. > > Thank you. > > Ed > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
