button demo program: use fl_beep() function.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9570 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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@ -21,9 +21,11 @@
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Button.H>
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#include <FL/fl_ask.H>
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void beepcb(Fl_Widget *, void *) {
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printf("\007"); fflush(stdout);
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fl_beep();
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fflush(stdout);
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}
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void exitcb(Fl_Widget *, void *) {
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