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//! Enigo lets you simulate mouse and keyboard input-events as if they were
//! made by the actual hardware. It is available on Linux (X11), macOS and
//! Windows.
//!
//! It can be used for testing user interfaces on different platforms, building
//! remote control applications or just automating tasks for user interfaces
//! unaccessible by a public API or scripting language.
//!
//! This library is in an early alpha status, the API will change in
//! in the future.
//!
//! In order to use the library, you only have to know about three
//! things:
//! - [`KeyboardControllable`] (trait): used to simulate a key click, enter text
//! or something similar
//! - [`MouseControllable`] (trait): do something with the mouse or you find out
//! the display
//! size
//! - [`Enigo`] (struct): implements the two traits [`KeyboardControllable`] and
//! [`MouseControllable`]
//!
//! A simple [DSL](https://en.wikipedia.org/wiki/Domain-specific_language)
//! is available. It is documented in the [`dsl`] module.
//! # Examples
//! ```no_run
//! use enigo::*;
//! let mut enigo = Enigo::new();
//! //paste
//! enigo.key_down(Key::Control);
//! enigo.key_click(Key::Layout('v'));
//! enigo.key_up(Key::Control);
//! ```
//!
//! ```no_run
//! use enigo::*;
//! let mut enigo = Enigo::new();
//! enigo.mouse_move_to(500, 200);
//! enigo.mouse_down(MouseButton::Left);
//! enigo.mouse_move_relative(100, 100);
//! enigo.mouse_up(MouseButton::Left);
//! enigo.key_sequence("hello world");
//! ```
#![deny(clippy::pedantic)]
#![allow(clippy::cast_lossless)]
#![allow(clippy::cast_possible_truncation)]
#![allow(clippy::cast_possible_wrap)]
#![allow(clippy::cast_sign_loss)]
#![allow(deprecated)]
#[cfg(target_os = "macos")]
#[macro_use]
extern crate objc;
// TODO(dustin) use interior mutability not &mut self
#[cfg(target_os = "windows")]
mod win;
#[cfg(target_os = "windows")]
pub use crate::win::Enigo;
#[cfg(target_os = "macos")]
mod macos;
#[cfg(target_os = "macos")]
pub use crate::macos::Enigo;
#[cfg(target_os = "linux")]
mod linux;
#[cfg(target_os = "linux")]
pub use crate::linux::Enigo;
/// DSL parser module
///
/// The current status is that you can just print [unicode](http://unicode.org/) characters like [emoji](http://getemoji.com/) without the `{+SHIFT}`
/// [DSL](https://en.wikipedia.org/wiki/Domain-specific_language) or any other "special" key on the Linux, macOS and Windows operating system.
pub mod dsl;
#[cfg(feature = "with_serde")]
#[macro_use]
extern crate serde_derive;
#[cfg(feature = "with_serde")]
extern crate serde;
#[cfg_attr(feature = "with_serde", derive(Serialize, Deserialize))]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
/// [`MouseButton`] represents a mouse button and is used in e.g
/// [`MouseControllable::mouse_click`].
// Warning! If there are ANY CHANGES to this enum, we
// need to change the size of the array in the macOS implementation of the Enigo
// struct that stores the nth click for each MouseButton
pub enum MouseButton {
/// Left mouse button
Left,
/// Middle mouse button
Middle,
/// Right mouse button
Right,
/// Scroll up button. It is better to use the
/// [MouseControllable::mouse_scroll_y] method to scroll.
ScrollUp,
/// Scroll down button. It is better to use the
/// [MouseControllable::mouse_scroll_y] method to scroll.
ScrollDown,
/// Scroll left button. It is better to use the
/// [MouseControllable::mouse_scroll_x] method to scroll.
ScrollLeft,
/// Scroll right button. It is better to use the
/// [MouseControllable::mouse_scroll_x] method to scroll.
ScrollRight,
}
/// Contains functions to control the mouse and to get the size of the display.
/// Enigo uses a Cartesian coordinate system for specifying coordinates. The
/// origin in this system is located in the top-left corner of the current
/// screen, with positive values extending along the axes down and to the
/// right of the origin point and it is measured in pixels. The same coordinate
/// system is used on all operating systems.
pub trait MouseControllable {
/// Move the mouse cursor to the specified x and y coordinates.
///
/// The topleft corner of your monitor screen is x=0 y=0. Move
/// the cursor down the screen by increasing the y and to the right
/// by increasing x coordinate.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_move_to(500, 200);
/// ```
fn mouse_move_to(&mut self, x: i32, y: i32);
/// Move the mouse cursor the specified amount in the x and y
/// direction. A positive x value moves the mouse cursor `x` pixels to the
/// right. A negative value for `x` moves the mouse cursor to the left.
/// A positive value of y moves the mouse cursor down, a negative one
/// moves the mouse cursor up.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_move_relative(100, 100);
/// ```
fn mouse_move_relative(&mut self, x: i32, y: i32);
/// Push down the mouse button specified by the parameter
/// `button` of type [`MouseButton`] and hold it until it is released by
/// [`MouseControllable::mouse_up`].
/// Calls to [`MouseControllable::mouse_move_to`] or
/// [`MouseControllable::mouse_move_relative`] will
/// work like expected and will e.g. drag widgets or highlight text.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_down(MouseButton::Left);
/// ```
fn mouse_down(&mut self, button: MouseButton);
/// Release a pushed down mouse button
///
/// Lift up a previously pushed down button (by invoking
/// [`MouseControllable::mouse_down`]).
/// If the button was not pushed down or consecutive calls without
/// invoking [`MouseControllable::mouse_down`] will emit lift up
/// events. It depends on the operating system whats actually happening
/// – my guess is it will just get ignored.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_down(MouseButton::Right);
/// enigo.mouse_up(MouseButton::Right);
/// ```
fn mouse_up(&mut self, button: MouseButton);
/// Click a mouse button
///
/// It is essentially just a consecutive invocation of
/// [`MouseControllable::mouse_down`]
/// followed by a [`MouseControllable::mouse_up`]. Just for
/// convenience.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_click(MouseButton::Right);
/// ```
fn mouse_click(&mut self, button: MouseButton);
/// Scroll the mouse (wheel) left or right
///
/// Positive numbers for `length` scroll to the right and negative ones to
/// the left. The value that is specified translates to `lines` defined
/// by the operating system and is essentially one 15° (click) rotation
/// on the mouse wheel. How many lines it moves depends on the current
/// setting in the operating system.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_scroll_x(2);
/// ```
fn mouse_scroll_x(&mut self, length: i32);
/// Scroll the mouse (wheel) up or down
///
/// Positive numbers for `length` scroll down and negative ones up. The
/// value that is specified translates to `lines` defined by the
/// operating system and is essentially one 15° (click) rotation on the
/// mouse wheel. How many lines it moves depends on the current setting
/// in the operating system.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.mouse_scroll_y(2);
/// ```
fn mouse_scroll_y(&mut self, length: i32);
/// Get the (width, height) of the main display in screen coordinates
/// (pixels). This currently only works on the main display
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// let (width, height) = enigo.main_display_size();
/// ```
#[must_use]
fn main_display_size(&self) -> (i32, i32);
/// Get the location of the mouse in screen coordinates (pixels).
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// let (x, y) = enigo.mouse_location();
/// ```
#[must_use]
fn mouse_location(&self) -> (i32, i32);
}
/// A key on the keyboard.
/// For alphabetical keys, use [`Key::Layout`] for a system independent key.
/// If a key is missing, you can use the raw keycode with [`Key::Raw`].
#[cfg_attr(feature = "with_serde", derive(Serialize, Deserialize))]
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum Key {
/// alt key on Linux and Windows (option key on macOS)
Alt,
/// backspace key
Backspace,
/// caps lock key
CapsLock,
#[deprecated(since = "0.0.12", note = "now renamed to Meta")]
/// command key on macOS (super key on Linux, windows key on Windows)
Command,
/// control key
Control,
/// delete key
Delete,
/// down arrow key
DownArrow,
/// end key
End,
/// escape key (esc)
Escape,
/// F1 key
F1,
/// F2 key
F2,
/// F3 key
F3,
/// F4 key
F4,
/// F5 key
F5,
/// F6 key
F6,
/// F7 key
F7,
/// F8 key
F8,
/// F9 key
F9,
/// F10 key
F10,
/// F11 key
F11,
/// F12 key
F12,
/// F13 key
F13,
/// F14 key
F14,
/// F15 key
F15,
/// F16 key
F16,
/// F17 key
F17,
/// F18 key
F18,
/// F19 key
F19,
/// F20 key
F20,
/// home key
Home,
/// left arrow key
LeftArrow,
/// meta key (also known as "windows", "super", and "command")
Meta,
/// option key on macOS (alt key on Linux and Windows)
Option,
/// page down key
PageDown,
/// page up key
PageUp,
/// return key
Return,
/// right arrow key
RightArrow,
/// shift key
Shift,
/// space key
Space,
#[deprecated(since = "0.0.12", note = "now renamed to Meta")]
/// super key on linux (command key on macOS, windows key on Windows)
Super,
/// tab key (tabulator)
Tab,
/// up arrow key
UpArrow,
#[deprecated(since = "0.0.12", note = "now renamed to Meta")]
/// windows key on Windows (super key on Linux, command key on macOS)
Windows,
/// keyboard layout dependent key
Layout(char),
/// raw keycode eg 0x38
Raw(u16),
}
/// Contains functions to simulate key presses and to input text.
///
/// For the keyboard there are currently two modes you can use. The first mode
/// is represented by the [`key_sequence`](KeyboardControllable::key_sequence)
/// function. It's purpose is to simply write unicode characters. This is
/// independent of the keyboard layout. Please note that
/// you're not be able to use modifier keys like Control
/// to influence the outcome. If you want to use modifier keys to e.g.
/// copy/paste, use the Layout variant. Please note that this is indeed layout
/// dependent.
pub trait KeyboardControllable {
/// Type the string parsed with DSL.
///
/// Typing {+SHIFT}hello{-SHIFT} becomes HELLO.
/// Please have a look at the [dsl] module for more information.
fn key_sequence_parse(&mut self, sequence: &str)
where
Self: Sized,
{
self.key_sequence_parse_try(sequence)
.expect("Could not parse sequence");
}
/// Same as [`KeyboardControllable::key_sequence_parse`] except returns any
/// errors
/// # Errors
///
/// Returns a [`dsl::ParseError`] if the sequence cannot be parsed
fn key_sequence_parse_try(&mut self, sequence: &str) -> Result<(), dsl::ParseError>
where
Self: Sized,
{
dsl::eval(self, sequence)
}
/// Enter the text. You can use unicode here like: ❤️. This works
/// regardless of the current keyboardlayout. You cannot use this function
/// for entering shortcuts or something similar. For shortcuts, use the
/// [`KeyboardControllable::key_click`] method instead.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// enigo.key_sequence("hello world ❤️");
/// ```
fn key_sequence(&mut self, sequence: &str);
/// Press down the given key
fn key_down(&mut self, key: Key);
/// Release a pressed down key
fn key_up(&mut self, key: Key);
/// Press and release the key. It is the same as calling the
/// [`KeyboardControllable::key_down`] and
/// [`KeyboardControllable::key_up`] functions consecutively
fn key_click(&mut self, key: Key);
}
impl Enigo {
/// Constructs a new `Enigo` instance.
///
/// # Example
///
/// ```no_run
/// use enigo::*;
/// let mut enigo = Enigo::new();
/// ```
#[must_use]
pub fn new() -> Self {
Self::default()
}
}
use std::fmt;
impl fmt::Debug for Enigo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "Enigo")
}
}