Assuming this is readable this time... (and not more B64 nonsense...)
> I'm looking at storing an enum as user data in an Fl_Menu_Item user
> data. In the callback, I want to access the enum.
>
> I know that I can put the enum into user data as a string:
> enum eop { task0=200, task2, task3};
>
> Fl_Menu_Item menu = {
> { "thing 1", 0, mycallback, (void*)"201"} .... }
> void mycallback(widget* w, void* v)
> { ....
> eop e = (eop) (atoi((char*)v));
> ...
> }
What is it you are trying to do here?
Pass a numeric value into the callback in the userdata, I think; but you are
doing it by passing a string than calling atoi() on it...
> but that seems a little cumbersome and inflexable.
Indeed.
Worked example below.
> I notice that old examples used
> int i = (int)v;
> but that won't work with gcc-4.4.5
Huh? Should do.
We might need to see your code.
Just tested with gcc 4.7.2 and that works fine...
> Will fltk-3 provide more flexibility?
No, it is the same.
For now, fltk-1.3 is the recommended build, it is stable. Fltk3 less so...
//
// fltk-config --compile menu-userdata.cxx
//
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Menu_Bar.H>
#include <stdio.h>
static Fl_Double_Window *main_win=(Fl_Double_Window *)0;
static Fl_Menu_Bar *menu_bar=(Fl_Menu_Bar *)0;
enum eop { task0=200, task2, task3};
static void cb_item1(Fl_Menu_*, void *v) {
int i = (int)v;
printf("Menu got %d\n", i);
fflush(stdout);
}
Fl_Menu_Item menu_menu_bar[] = {
{"A Menu", 0, 0, 0, 64, FL_NORMAL_LABEL, 0, 14, 0},
{"Item 1", 0, (Fl_Callback*)cb_item1, (void *)task0, 0, FL_NORMAL_LABEL, 0,
14, 0},
{"Item 2", 0, (Fl_Callback*)cb_item1, (void *)task2, 0, FL_NORMAL_LABEL, 0,
14, 0},
{0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0}
};
int main(int argc, char **argv) {
{ main_win = new Fl_Double_Window(356, 231, "Test Window");
{ menu_bar = new Fl_Menu_Bar(0, 0, 356, 20);
menu_bar->menu(menu_menu_bar);
} // Fl_Menu_Bar* menu_bar
main_win->end();
} // Fl_Double_Window* main_win
main_win->show(argc, argv);
return Fl::run();
}
///////// end of file ///////////
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