In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
says...
> the docs say about fltk::Browser "... if no callback has been set on
> the item, the callback() of this widget is called with the user_data()
> of the item." however this is not true, it gets passed null. If it was
> true, the following program would not segfault. (i'm using r5864)
>
> #include <fltk/Window.h>
> #include <fltk/Browser.h>
> #include <fltk/run.h>
> #include <fltk/ask.h>
> using namespace fltk;
>
> int randomglobalvariable = 4;
>
> void browser_cb(Widget* w, void* d) {
> *((int*)d) = 5;
> message("wont get here: %d",randomglobalvariable);
> }
>
>
> int main(int argc, char** argv) {
> Window* w = new Window(100,100);
> w->begin();
> Browser* b = new Browser(0,0,100,100);
> b->add("test",&randomglobalvariable);
> b->add("test",&randomglobalvariable);
> b->callback(browser_cb);
> w->end();
> w->resizable(w);
> w->show(1,argv);
> return run();
> }
You need to tell say when the callback is called.
b->when(3);
maybe where to start.
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