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301 lines
21 KiB
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<ol class="chapter"><li class="chapter-item expanded affix "><a href="../index.html">Introduction</a></li><li class="chapter-item expanded "><a href="../getting_started/index.html"><strong aria-hidden="true">1.</strong> Getting Started</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../getting_started/desktop.html"><strong aria-hidden="true">1.1.</strong> Desktop</a></li><li class="chapter-item expanded "><a href="../getting_started/web.html"><strong aria-hidden="true">1.2.</strong> Web</a></li><li class="chapter-item expanded "><a href="../getting_started/ssr.html"><strong aria-hidden="true">1.3.</strong> Server-Side Rendering</a></li><li class="chapter-item expanded "><a href="../getting_started/fullstack.html"><strong aria-hidden="true">1.4.</strong> Fullstack</a></li><li class="chapter-item expanded "><a href="../getting_started/liveview.html"><strong aria-hidden="true">1.5.</strong> Liveview</a></li><li class="chapter-item expanded "><a href="../getting_started/tui.html" class="active"><strong aria-hidden="true">1.6.</strong> Terminal UI</a></li><li class="chapter-item expanded "><a href="../getting_started/mobile.html"><strong aria-hidden="true">1.7.</strong> Mobile</a></li><li class="chapter-item expanded "><a href="../getting_started/hot_reload.html"><strong aria-hidden="true">1.8.</strong> Hot Reloading</a></li></ol></li><li class="chapter-item expanded "><a href="../describing_ui/index.html"><strong aria-hidden="true">2.</strong> Describing the UI</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../describing_ui/special_attributes.html"><strong aria-hidden="true">2.1.</strong> Special Attributes</a></li><li class="chapter-item expanded "><a href="../describing_ui/components.html"><strong aria-hidden="true">2.2.</strong> Components</a></li><li class="chapter-item expanded "><a href="../describing_ui/component_props.html"><strong aria-hidden="true">2.3.</strong> Props</a></li><li class="chapter-item expanded "><a href="../describing_ui/component_children.html"><strong aria-hidden="true">2.4.</strong> Component Children</a></li></ol></li><li class="chapter-item expanded "><a href="../interactivity/index.html"><strong aria-hidden="true">3.</strong> Interactivity</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../interactivity/event_handlers.html"><strong aria-hidden="true">3.1.</strong> Event Listeners</a></li><li class="chapter-item expanded "><a href="../interactivity/hooks.html"><strong aria-hidden="true">3.2.</strong> Hooks & Component State</a></li><li class="chapter-item expanded "><a href="../interactivity/user_input.html"><strong aria-hidden="true">3.3.</strong> User Input</a></li><li class="chapter-item expanded "><a href="../interactivity/sharing_state.html"><strong aria-hidden="true">3.4.</strong> Sharing State</a></li><li class="chapter-item expanded "><a href="../interactivity/custom_hooks.html"><strong aria-hidden="true">3.5.</strong> Custom Hooks</a></li><li class="chapter-item expanded "><a href="../interactivity/dynamic_rendering.html"><strong aria-hidden="true">3.6.</strong> Dynamic Rendering</a></li><li class="chapter-item expanded "><a href="../interactivity/router.html"><strong aria-hidden="true">3.7.</strong> Routing</a></li></ol></li><li class="chapter-item expanded "><a href="../async/index.html"><strong aria-hidden="true">4.</strong> Async</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../async/use_future.html"><strong aria-hidden="true">4.1.</strong> UseFuture</a></li><li class="chapter-item expanded "><a href="../async/use_coroutine.html"><strong aria-hidden="true">4.2.</strong> UseCoroutine</a></li><li class="chapter-item expanded "><a href="../async/spawn.html"><strong aria-hidden="true">4.3.</strong> Spawning Futures</a></li></ol></li><li class="chapter-item expanded "><a href="../best_practices/index.html"><strong aria-hidden="true">5.</strong> Best Practices</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../best_practices/error_handling.html"><strong aria-hidden="true">5.1.</strong> Error Handling</a></li><li class="chapter-item expanded "><a href="../best_practices/antipatterns.html"><strong aria-hidden="true">5.2.</strong> Antipatterns</a></li></ol></li><li class="chapter-item expanded "><a href="../publishing/index.html"><strong aria-hidden="true">6.</strong> Publishing</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../publishing/desktop.html"><strong aria-hidden="true">6.1.</strong> Desktop</a></li><li class="chapter-item expanded "><a href="../publishing/web.html"><strong aria-hidden="true">6.2.</strong> Web</a></li><li class="spacer"></li></ol></li><li class="chapter-item expanded "><a href="../fullstack/index.html"><strong aria-hidden="true">7.</strong> Fullstack</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../fullstack/getting_started.html"><strong aria-hidden="true">7.1.</strong> Getting Started</a></li><li class="chapter-item expanded "><a href="../fullstack/server_functions.html"><strong aria-hidden="true">7.2.</strong> Communicating with the Server</a></li><li class="spacer"></li></ol></li><li class="chapter-item expanded "><a href="../custom_renderer/index.html"><strong aria-hidden="true">8.</strong> Custom Renderer</a></li><li class="spacer"></li><li class="chapter-item expanded "><a href="../contributing/index.html"><strong aria-hidden="true">9.</strong> Contributing</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../contributing/project_structure.html"><strong aria-hidden="true">9.1.</strong> Project Structure</a></li><li class="chapter-item expanded "><a href="../contributing/walkthrough_readme.html"><strong aria-hidden="true">9.2.</strong> Walkthrough of Internals</a></li><li class="chapter-item expanded "><a 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<main>
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<h1 id="terminal-ui"><a class="header" href="#terminal-ui">Terminal UI</a></h1>
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<p>You can build a text-based interface that will run in the terminal using Dioxus.</p>
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<p><img src="https://github.com/DioxusLabs/rink/raw/master/examples/example.png" alt="Hello World screenshot" /></p>
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<blockquote>
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<p>Note: this book was written with HTML-based platforms in mind. You might be able to follow along with TUI, but you'll have to adapt a bit.</p>
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</blockquote>
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<h2 id="support"><a class="header" href="#support">Support</a></h2>
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<p>TUI support is currently quite experimental. But, if you're willing to venture into the realm of the unknown, this guide will get you started.</p>
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<ul>
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<li>It uses flexbox for the layout</li>
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<li>It only supports a subset of the attributes and elements</li>
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<li>Regular widgets will not work in the tui render, but the tui renderer has its own widget components that start with a capital letter. See the <a href="https://github.com/DioxusLabs/dioxus/blob/master/packages/dioxus-tui/examples/widgets.rs">widgets example</a></li>
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<li>1px is one character line height. Your regular CSS px does not translate</li>
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<li>If your app panics, your terminal is wrecked. This will be fixed eventually</li>
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</ul>
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<h2 id="getting-set-up"><a class="header" href="#getting-set-up">Getting Set up</a></h2>
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<p>Start by making a new package and adding Dioxus and the TUI renderer as dependancies.</p>
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<pre><code class="language-shell">cargo new --bin demo
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cd demo
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cargo add dioxus
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cargo add dioxus-tui
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</code></pre>
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<p>Then, edit your <code>main.rs</code> with the basic template.</p>
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<pre><pre class="playground"><code class="language-rust edition2018">#![allow(non_snake_case)]
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// import the prelude to get access to the `rsx!` macro and the `Scope` and `Element` types
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use dioxus::prelude::*;
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fn main() {
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// launch the app in the terminal
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dioxus_tui::launch(App);
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}
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// create a component that renders a div with the text "Hello, world!"
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fn App(cx: Scope) -> Element {
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cx.render(rsx! {
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div {
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"Hello, world!"
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}
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})
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}
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</code></pre></pre>
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<p>To run our app:</p>
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<pre><code class="language-shell">cargo run
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</code></pre>
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<p>Press "ctrl-c" to close the app. To switch from "ctrl-c" to just "q" to quit you can launch the app with a configuration to disable the default quit and use the root TuiContext to quit on your own.</p>
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<pre><pre class="playground"><code class="language-rust edition2018">// todo remove deprecated
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#![allow(non_snake_case, deprecated)]
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use dioxus::events::{KeyCode, KeyboardEvent};
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use dioxus::prelude::*;
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use dioxus_tui::TuiContext;
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fn main() {
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dioxus_tui::launch_cfg(
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App,
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dioxus_tui::Config::new()
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.without_ctrl_c_quit()
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// Some older terminals only support 16 colors or ANSI colors
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// If your terminal is one of these, change this to BaseColors or ANSI
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.with_rendering_mode(dioxus_tui::RenderingMode::Rgb),
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);
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}
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fn App(cx: Scope) -> Element {
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let tui_ctx: TuiContext = cx.consume_context().unwrap();
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cx.render(rsx! {
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div {
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width: "100%",
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height: "10px",
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background_color: "red",
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justify_content: "center",
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align_items: "center",
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onkeydown: move |k: KeyboardEvent| if let KeyCode::Q = k.key_code {
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tui_ctx.quit();
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},
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"Hello world!"
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}
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})
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}
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</code></pre></pre>
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