//SetCloseCallback sets the close callback of the window, which is called when
//the user attempts to close the window, for example by clicking the close
//widget in the title bar.
//
//The close flag is set before this callback is called, but you can modify it at
//any time with SetShouldClose.
//
//Mac OS X: Selecting Quit from the application menu will trigger the close
//callback for all windows.
func (w *Window) SetCloseCallback(cbfun func(w *Window)) {
if cbfun == nil {
C.glfwSetWindowCloseCallback(w.data, nil)
} else {
w.fCloseHolder = cbfun
C.glfwSetWindowCloseCallbackCB(w.data)
}
}
// SetCloseCallback sets the close callback of the window, which is called when
// the user attempts to close the window, for example by clicking the close
// widget in the title bar.
//
// The close flag is set before this callback is called, but you can modify it at
// any time with SetShouldClose.
//
// Mac OS X: Selecting Quit from the application menu will trigger the close
// callback for all windows.
func (w *Window) SetCloseCallback(cbfun CloseCallback) (previous CloseCallback) {
previous = w.fCloseHolder
w.fCloseHolder = cbfun
if cbfun == nil {
C.glfwSetWindowCloseCallback(w.data, nil)
} else {
C.glfwSetWindowCloseCallbackCB(w.data)
}
panicError()
return previous
}