Manoj wrote:
> Thanks for all this informtion.
> So i need to derived a class from FL_Input and handle the arrow keys there.
> But i have no idea how to do this because there other controls like FL_Output
> etc. You said you have done it in your own class. Please suggest how to do
> that.
Here is the relevant part of my handle() method. My version is much
longer, so be prepared that you may need to add more events to handle.
Albrecht
int My_Input::handle(int event) {
int key = Fl::event_key();
switch (event) {
case FL_KEYDOWN:
if ( (key==FL_Left) // left arrow
&& (position()==0) ) {
position(0); // remove mark
return 1;
}
if ( (key==FL_Right) // right arrow
&& (position()==size()) ) {
position(size()); // remove mark
return 1;
}
if (key==FL_Up) { // up arrow
position(0); // move to start pos.
return 1;
}
if (key==FL_Down) { // down arrow
position(size()); // move to end pos.
return 1;
}
default:
break;
}
return Fl_Input::handle(event);
}
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