xtd 0.2.0
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beep.h
Go to the documentation of this file.
1
4#pragma once
5#include "console.h"
6#include "object.h"
7
9namespace xtd {
19 class beep final : public object {
20 public:
22
29 beep() = default;
30
37 beep(uint32 frequency, uint32 duration) : frequency_(frequency), duration_(duration) {}
39
41 friend std::ostream& operator <<(std::ostream& os, const beep& b) {
42 if (!console::is_output_redirected() && os.rdbuf() == console::out.rdbuf())
43 console::beep(b.frequency_, b.duration_);
44 return os;
45 }
47
48 private:
49 uint32 frequency_ {800};
50 uint32 duration_ {200};
51 };
52}
Represent beep output manipulator class.
Definition beep.h:19
beep()=default
Plays the sound of a beep through the console speaker.
beep(uint32 frequency, uint32 duration)
Plays the sound of a beep of a specified frequency and duration through the console speaker.
Definition beep.h:37
static std::ostream out
Gets the standard output stream. A std::basic_ostream<char_t> that represents the standard output str...
Definition console.h:49
static void beep()
Plays the sound of a beep through the console speaker.
static bool is_output_redirected()
Gets a value that indicates whether the output stream has been redirected from the standard output st...
Supports all classes in the xtd class hierarchy and provides low-level services to derived classes....
Definition object.h:32
Contains xtd::console class.
uint_least32_t uint32
Represents a 32-bit unsigned integer.
Definition types.h:241
@ b
The B key.
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition xtd_about_box.h:10
Contains xtd::object class.