I have subclassed Fl_Gl_Window (class My_Window) and written an own
handle-function. It works fine, but recently I have made a new subclass
My_Window_2 to my first subclass. As a handle function, it is still calling
My_Window::handle(int event).
For My_Window_2 dragging doesn't work. FL_PUSH and FL_RELEASE are recognized
correctly, however inbetween handle isn't called anymore.
Do you have any suggestions?
Thanks a lot!
Here is the code:
int My_Window::handle(int event)
{
if (event == FL_MOUSEWHEEL) // wheelmouse support
{
cout << "FL_MOUSEWHEEL" << endl;
return 1;
}
else if (event == FL_PUSH){ // mouse button
cout << "FL_PUSH" << endl;
return 1;
}
else if (event == FL_DRAG) // dragged mouse
{
cout << "dragging" << endl;
return 1;
}
else if (event == FL_RELEASE){ // release dragged
cout << "FL_RELEASE" << endl;
return 1;
}
else {// any not overwritten handle should be managed as usual
cout << "default" << endl;
int res = Fl_Gl_Window::handle(event);
return res;
}
return 1;
}
For any My_Window the output (when dragging) is something like
FL_PUSH
dragging
dragging
dragging
FL_RELEASE
However for My_Window_2 it's
FL_PUSH
FL_RELEASE
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