Improve feature flags

Author: sayanarijit

Cargo.toml

@@ -13,16 +13,18 @@ autoexamples = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [features]
-default = ["crossterm"]
+default = ["ratatui-crossterm"]
+ratatui-crossterm = ["ratatui/crossterm"]
+ratatui-termion = ["ratatui/termion"]
 
 [dependencies]
 unicode-width = "0.2.0"
 serde = { version = "1.0.218", optional = true, features = ["derive"] }
 crossterm = { version = "0.29.0", optional = true }
 termion = { version = "4.0.4", optional = true }
+ratatui = { version = "0.30.0-alpha.2", features = ["crossterm"] }
 
 [dev-dependencies]
-ratatui = { version = "0.30.0-alpha.2", features = ["crossterm"] }
 
 [[example]]
 name = "crossterm_input"
@@ -33,5 +35,5 @@ name = "termion_input"
 required-features = ["termion"]
 
 [[example]]
-name = "ratatui_input"
-required-features = ["crossterm"]
+name = "ratatui_crossterm_input"
+required-features = ["ratatui-crossterm"]

README.md

@@ -25,7 +25,9 @@ tui-input = { version = "*", features = ["termion"], default-features = false }
 
 ## Features
 
-- crossterm (default)
+- ratatui-crossterm (default)
+- ratatui-termion
+- crossterm
 - termion
 - serde
 

examples/ratatui_input.rs renamed to examples/ratatui_crossterm_input.rs

@@ -1,7 +1,7 @@
 use std::io;
 
-use crossterm::event::{self, Event, KeyCode};
 use ratatui::{
+    crossterm::event::{self, Event, KeyCode},
     layout::{Constraint, Layout, Rect},
     style::{Color, Style, Stylize},
     text::{Line, ToSpan},

src/backend/crossterm.rs

@@ -1,3 +1,6 @@
+#[cfg(feature = "ratatui-crossterm")]
+use ratatui::crossterm;
+
 use crate::{Input, InputRequest, StateChanged};
 use crossterm::event::{
     Event as CrosstermEvent, KeyCode, KeyEvent, KeyEventKind, KeyModifiers,

src/backend/mod.rs

@@ -1,5 +1,5 @@
-#[cfg(feature = "crossterm")]
+#[cfg(any(feature = "ratatui-crossterm", feature = "crossterm"))]
 pub mod crossterm;
 
-#[cfg(feature = "termion")]
+#[cfg(any(feature = "ratatui-termion", feature = "termion"))]
 pub mod termion;

src/backend/termion.rs

@@ -1,3 +1,6 @@
+#[cfg(feature = "ratatui-termion")]
+use ratatui::termion;
+
 use crate::input::InputRequest;
 use crate::Input;
 use crate::StateChanged;