On Tue, 7 Nov 2006, Michael Schnell wrote:
> > > I don't even care, because I simply don't understand what "time" as in > > "timer" has to do with "graphics" as in "graphical". For me that's two > > completely different subjects unless we're talking about animations where > > those two subjects meet. > Viewing from top you are right, and I do need a platform independent > implementation along theses lines. > > But (at least in Delphi) TTimer and GUI events are implemented using system > messages and a Windows-internal message scheduling API. FPC does not know > about messages, here Lazarus gets involved, as the LCL supplies the > TApplication class that is able to fire events when a message arrives. > > So what I suggest is implementing a platform independent TApplication class > that can handle messages and implement TTimer and TThread.synchronize and > other Delphi stuff on top of this, without using GUI related system APIs, but > using a System 5 Message queue in Linux. There is TCustomApplication in fcl/inc/custapp. The Lazarus TApplication descends from it. All you need to do is create a descendent of TCustomApplication which can implement all the messaging you wish for... Michael. _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
