On Monday 20 October 2008 09.57:35 Graeme Geldenhuys wrote: > Hi, > > Below is some code I use in fpGUI-X11's main event loop. When I played > around with multithreading, I wrote a simple application, created 4 > threads that each update there own ProgressBar. I noticed that if I > don't move the mouse, the ProgressBar gets updated slowly. And when I > move the mouse over the form, the updates seem more smooth and > frequent. The default timeout for fpSelect was 1000ms. I decreased > that to 50ms and now all GUI updates from the 4 threads are smooth. > With or without moving the mouse. CPU load also doesn't seem to be > affected - it's still between 0-1% load. > [...] You could send a wakeup message to the X event queue if a widget has been invalidated instead of polling. See MSEgui lib/common/msegui.pas tguiapplication.invalidated and the postevent infrastructure for an example.
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