Well, in case it proves useful, here's what I'd do for this example.
This version seems to work just fine (on Vista, I don't have Win7 - but they
are basically the same AFAIK...) and has the merit of being portable too, and
works on linux just the same. Hope this helps...
// fltk-config --compile modal_test.cxx
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
void show_cb(Fl_Widget*, void* d)
{
Fl_Window* w = (Fl_Window*)d;
w->show();
}
void hide_cb(Fl_Widget*, void* d)
{
Fl_Window* w = (Fl_Window*)d;
w->hide();
}
int main(int argc, char **argv)
{
Fl_Window *main_win, *ModalOne, *ModalTwo;
Fl_Button *show1, *show2, *hide1, *hide2;
// create all the windows - primary window first
main_win = new Fl_Window(200, 100, "Main Window");
main_win->begin();
show1 = new Fl_Button(0, 0, 100, 100, "Show");
main_win->end();
// first modal window - modal for the "main_win"
ModalOne = new Fl_Window(200, 100, "ModalOne");
ModalOne->begin();
show2 = new Fl_Button(0, 0, 100, 100, "Show");
hide1 = new Fl_Button(100, 0, 100, 100, "Hide");
ModalOne->end();
ModalOne->set_modal();
// second modal window - modal for the "ModalOne"
ModalTwo = new Fl_Window(200, 100, "ModalTwo");
ModalTwo->begin();
hide2 = new Fl_Button(100, 0, 100, 100, "Hide");
ModalTwo->end();
ModalTwo->set_modal();
// hook up the callbacks
show1->callback((Fl_Callback*)show_cb, ModalOne);
show2->callback((Fl_Callback*)show_cb, ModalTwo);
hide1->callback((Fl_Callback*)hide_cb, ModalOne);
hide2->callback((Fl_Callback*)hide_cb, ModalTwo);
// show the main window
main_win->show(argc, argv);
// enter the fltk run loop
return Fl::run();
}
/* end of file */
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