I appreciate the time and help of yours but still confused. I'm fairly good in C++ but eager to know in deep the working of fltk.
> > I want to know when some event occurs, the information is sent to FLTK > > window, Which has two version of handle() and handle(int x) (I'm not even > > sure what they do, just know they get/set the events). I am also not sure > > that every widget also got the same handle() versions?. Which in turn calls > > the some other functions to call my call_back() to handle the event which > > was set by my like FL_widget_mine->callback(Handle_it); > > Each (widget) class has its own handle(int event) method. All events > are delivered to the widget's handle method. The widget (class) then > does some actions or ignores the event. Eventually, the event() method > calls the callback, if something happened that is "important enough" > to call the user's callback function. For an input widget, this is > when the contents was changed, and/or the widget is left (e.g. with > a mouse click on another widget or by typing tab). You can change > this for any widget by using the when() method in a limited way, > depending on the class's ability (see the particular docs). "All events are delivered to the widget's handle method". Please be more precise with working. I want to know Who deleviers the event to widget and using what syntax, handle() or handle(int) ? > > So what happens now when application receives the event?, how does the > > event propagates till the my provided call_back() of widget is called to > > handle to event? > > First it is handled by the widget's handle(int event) method (pun > intended), then the handle method *may* call the callback function. Yes, that's what I want to know in deep. what you mean hear is , some codeInBlack calls the handle(int event), which stores the event somewhere, after which somewhat at end it calls my callback function? Thanks a lot again :) _______________________________________________ fltk mailing list fltk@easysw.com http://lists.easysw.com/mailman/listinfo/fltk
