### Run Example with Specific Backend

Source: https://github.com/gyscos/cursive/wiki/Backends

Use this command to run an example from the Cursive source code with a specific backend like pancurses, disabling default features.

```bash
cargo run -v --no-default-features --features pancurses-backend --example select
```

--------------------------------

### Install ncurses on Ubuntu

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Use apt-get to install the ncurses development library on Ubuntu systems.

```bash
apt-get install libncursesw5-dev
```

--------------------------------

### Full Cursive Application Example

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

A complete example demonstrating a UI with a SelectView, buttons for adding and deleting items, and dialog-based interactions.

```rust
use cursive::Cursive;
use cursive::views::{Button, Dialog, DummyView, EditView,
                     LinearLayout, SelectView};
use cursive::traits::*;

fn main() {
    let mut siv = cursive::default();

    let select = SelectView::<String>::new()
        .on_submit(on_submit)
        .with_name("select")
        .fixed_size((10, 5));
    let buttons = LinearLayout::vertical()
        .child(Button::new("Add new", add_name))
        .child(Button::new("Delete", delete_name))
        .child(DummyView)
        .child(Button::new("Quit", Cursive::quit));

    siv.add_layer(Dialog::around(LinearLayout::horizontal()
            .child(select)
            .child(DummyView)
            .child(buttons))
        .title("Select a profile"));

    siv.run();
}

fn add_name(s: &mut Cursive) {
    fn ok(s: &mut Cursive, name: &str) {
        s.call_on_name("select", |view: &mut SelectView<String>| {
            view.add_item_str(name)
        });
        s.pop_layer();
    }

    s.add_layer(Dialog::around(EditView::new()
            .on_submit(ok)
            .with_name("name")
            .fixed_width(10))
        .title("Enter a new name")
        .button("Ok", |s| {
            let name =
                s.call_on_name("name", |view: &mut EditView| {
                    view.get_content()
                }).unwrap();
            ok(s, &name);
        })
        .button("Cancel", |s| {
            s.pop_layer();
        }));
}

fn delete_name(s: &mut Cursive) {
    let mut select = s.find_name::<SelectView<String>>("select").unwrap();
    match select.selected_id() {
        None => s.add_layer(Dialog::info("No name to remove")),
        Some(focus) => {
            select.remove_item(focus);
        }
    }
}

fn on_submit(s: &mut Cursive, name: &str) {
    s.pop_layer();
    s.add_layer(Dialog::text(format!("Name: {}\nAwesome: yes", name))
        .title(format!("{}'s info", name))
        .button("Quit", Cursive::quit));
}
```

--------------------------------

### Create a Simple Cursive Dialog

Source: https://github.com/gyscos/cursive/blob/main/README.md

This example demonstrates how to create a basic dialog with a text view and a quit button using Cursive. It initializes the Cursive root, adds the dialog layer, and starts the event loop.

```rust
use cursive::views::{Dialog, TextView};

fn main() {
    // Creates the cursive root - required for every application.
    let mut siv = cursive::default();

    // Creates a dialog with a single "Quit" button
    siv.add_layer(Dialog::around(TextView::new("Hello Dialog!"))
                         .title("Cursive")
                         .button("Quit", |s| s.quit()));

    // Starts the event loop.
    siv.run();
}
```

--------------------------------

### Install ncurses on Archlinux

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Use pacman to install the ncurses library on Archlinux systems.

```bash
pacman -S ncurses
```

--------------------------------

### Install ncurses on openSUSE

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Use zypper to install the ncurses development package on openSUSE systems.

```bash
zypper install ncurses5-devel
```

--------------------------------

### Run Cursive Example with Backend

Source: https://github.com/gyscos/cursive/blob/main/cursive/examples/Readme.md

Command to execute a specific Cursive example using the crossterm backend.

```bash
cargo run --example EXAMPLE_NAME --features crossterm-backend --no-default-features
```

--------------------------------

### Main Module Import

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

Initial setup for the main.rs file to import the Cursive crate.

```rust
use cursive;

fn main() {
}
```

--------------------------------

### Create a multi-step survey application in Rust

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

A complete example demonstrating layer management and button callbacks to navigate between different dialog screens.

```rust
use cursive::Cursive;
use cursive::views::Dialog;

fn main() {
    let mut siv = cursive::default();

    siv.add_layer(Dialog::text("This is a survey!\nPress <Next> when you're ready.")
        .title("Important survey")
        .button("Next", show_next));

    siv.run();
}

fn show_next(s: &mut Cursive) {
    s.pop_layer();
    s.add_layer(Dialog::text("Did you do the thing?")
        .title("Question 1")
        .button("Yes!", |s| show_answer(s, "I knew it! Well done!"))
        .button("No!", |s| show_answer(s, "I knew you couldn't be trusted!"))
        .button("Uh?", |s| s.add_layer(Dialog::info("Try again!"))));
}

fn show_answer(s: &mut Cursive, msg: &str) {
    s.pop_layer();
    s.add_layer(Dialog::text(msg)
        .title("Results")
        .button("Finish", |s| s.quit()));
}
```

--------------------------------

### Install ncurses on macOS

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Use Homebrew to install the ncurses library on macOS.

```bash
brew install ncurses
```

--------------------------------

### Basic Cursive Application

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

A complete example showing how to initialize a Cursive root, add a global quit callback, and display a text view.

```rust
use cursive::views::TextView;

fn main() {
	let mut siv = cursive::default();

	siv.add_global_callback('q', |s| s.quit());

	siv.add_layer(TextView::new("Hello cursive! Press <q> to quit."));

	siv.run();
}
```

--------------------------------

### Install ncurses on Fedora

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Use yum to install the ncurses development package on Fedora systems.

```bash
yum install ncurses-devel
```

--------------------------------

### Initialize a basic Cursive application

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

The minimal boilerplate required to start a Cursive event loop.

```rust
fn main() {
    let mut siv = cursive::default();

    siv.run();
}
```

--------------------------------

### Initial EditView implementation

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

An example of an EditView inside a dialog without a mechanism to retrieve its content.

```rust
fn add_name(s: &mut Cursive) {
    s.add_layer(Dialog::around(EditView::new()
            .fixed_width(10))
        .title("Enter a new name")
        .button("Ok", |s| {
            // What do we do now?...
        })
        .button("Cancel", |s| {
            s.pop_layer();
        }));
}
```

--------------------------------

### Troubleshoot ncurses linking on openSUSE Leap 15.3

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Set NCURSES_RS_RUSTC_FLAGS and clean/rebuild the project if linking fails after installing ncurses5-devel.

```bash
export NCURSES_RS_RUSTC_FLAGS="-L /usr/lib64/ncurses5"
```

```bash
cargo clean && cargo build
```

--------------------------------

### Initialize New Project

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

Command to create a new binary project using Cargo.

```text
% cargo new --bin cursive_example
```

--------------------------------

### Configure Dialogs using shortcuts and chaining

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Common patterns for creating and styling dialogs using shorthand methods and method chaining.

```rust
siv.add_layer(Dialog::text("..."));
```

```rust
siv.add_layer(Dialog::text("...").title("..."));
```

--------------------------------

### Initialize SelectView

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Basic instantiation of a SelectView for strings.

```rust
let select = SelectView::<String>::new();
```

--------------------------------

### Create a vertical LinearLayout for buttons

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Initializes a vertical layout containing buttons and a DummyView spacer.

```rust
let buttons = LinearLayout::vertical()
    .child(Button::new("Add new", add_name))
    .child(Button::new("Delete", delete_name))
    .child(DummyView)
    .child(Button::new("Quit", Cursive::quit));

fn add_name(s: &mut Cursive) {}
fn delete_name(s: &mut Cursive) {}
```

--------------------------------

### Configure SelectView Callback

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Attaching an on_submit callback to a SelectView to handle user selection events.

```rust
let select = SelectView::<String>::new()
    .on_submit(on_submit)
    .fixed_size((10, 5));

fn on_submit(s: &mut Cursive, name: &str) {
    s.pop_layer();
    s.add_layer(Dialog::text(format!("Name: {}\nAwesome: yes", name))
        .title(format!("{}'s info", name))
        .button("Quit", Cursive::quit));
}
```

--------------------------------

### Global Callback for Quitting

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

Demonstrates how to bind the 'q' key to the quit action using add_global_callback.

```rust
fn main() {
	let mut siv = cursive::default();

	siv.add_global_callback('q', |s| s.quit());

	siv.run();
}
```

--------------------------------

### Add cursive-syntect Dependency

Source: https://github.com/gyscos/cursive/blob/main/cursive-syntect/README.md

Add this to your Cargo.toml file to include the cursive-syntect crate in your project.

```toml
[dependencies]
cursive-syntect = "0.2"
```

--------------------------------

### Configure pkg-config for ncurses on macOS

Source: https://github.com/gyscos/cursive/wiki/Install-ncurses

Set the PKG_CONFIG_PATH environment variable to help pkg-config find the Homebrew-installed ncurses library.

```bash
export PKG_CONFIG_PATH="/usr/local/opt/ncurses/lib/pkgconfig"
```

--------------------------------

### Add an info dialog layer in Rust

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Shows how to trigger a secondary dialog layer using Dialog::info as a callback.

```rust
fn show_next(s: &mut Cursive) {
    s.pop_layer();
    s.add_layer(Dialog::text("Did you do the thing?")
        .title("Question 1")
        .button("Yes!", |s| ()) //< We'll fill this callback soon,
        .button("No!", |s| ())  //< along with this one.
        .button("Uh?", |s| s.add_layer(Dialog::info("Try again!"))));
}
```

--------------------------------

### Apply Fixed Size to SelectView

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Methods for setting a fixed size on a view, either by wrapping in ResizedView or using the Resizable trait.

```rust
let select = ResizedView::with_fixed_size((10, 5), SelectView::<String>::new());
```

```rust
use cursive::traits::*;

let select = SelectView::<String>::new()
    .fixed_size((10, 5));
```

--------------------------------

### Minimal Cursive Root

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

The simplest possible Cursive application that initializes the root and runs the event loop.

```rust
fn main() {
	let mut siv = cursive::default();

	siv.run();
}
```

--------------------------------

### Define a dialog with multiple buttons in Rust

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Demonstrates adding a dialog with multiple button options using the Cursive framework.

```rust
fn show_next(s: &mut Cursive) {
    s.pop_layer();
    s.add_layer(Dialog::text("Did you do the thing?")
        .title("Question 1")
        .button("Yes!", |s| ()) //< Do something interesting here...
        .button("No!", |s| ())  //< And here as well...
        .button("Uh?", |s| ())); //< And finally here too.
}
```

--------------------------------

### Configure Cursive Dependencies

Source: https://github.com/gyscos/cursive/blob/main/cursive/README.md

Add the Cursive crate to your Cargo.toml file to include it in your project.

```toml
[dependencies]
cursive = "0.21"
```

```toml
[dependencies]
cursive = { git = "https://github.com/gyscos/cursive" }
```

--------------------------------

### Wrap a TextView in a Dialog

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Use Dialog::around to frame a specific view with a border.

```rust
use cursive::views::Dialog;
use cursive::views::TextView;

fn main() {
    let mut siv = cursive::default();

    siv.add_layer(Dialog::around(TextView::new("...")));

    siv.run();
}
```

--------------------------------

### Implement dialog callbacks with parameters in Rust

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Uses a shared callback function to handle different button inputs and transition to a result dialog.

```rust
fn show_next(s: &mut Cursive) {
    s.pop_layer();
    s.add_layer(Dialog::text("Did you do the thing?")
        .title("Question 1")
        .button("Yes!", |s| show_answer(s, "I knew it! Well done!"))
        .button("No!", |s| show_answer(s, "I knew you couldn't be trusted!"))
        .button("Uh?", |s| s.add_layer(Dialog::info("Try again!"))));
}

fn show_answer(s: &mut Cursive, msg: &str) {
    s.pop_layer();
    s.add_layer(Dialog::text(msg)
        .title("Results")
        .button("Finish", |s| s.quit()));
}
```

--------------------------------

### Recursive MultiPanel Layout Visualization

Source: https://github.com/gyscos/cursive/wiki/Design:-multi-panel

Visual representation of a recursive layout structure using nested panels.

```text
+-----------+
|           |
+-----+-----+
|     |     |
+-----+-----+
```

--------------------------------

### Cargo Dependencies

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_1.md

Configuration for the Cargo.toml file to include the Cursive library.

```toml
[package]
name = "cursive_example"
version = "0.1.0"

[dependencies]
cursive = "*"
```

--------------------------------

### Add buttons to a Dialog

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_2.md

Demonstrates adding interactive buttons to a dialog and using external functions as callbacks.

```rust
siv.add_layer(Dialog::text("...")
    .title("...")
    .button("Quit", |s| s.quit()));
```

```rust
use cursive::Cursive;
use cursive::views::Dialog;

fn main() {
    let mut siv = cursive::default();

    siv.add_layer(Dialog::text("This is a survey!\nPress <Next> when you're ready.")
        .title("Important survey")
        .button("Next", show_next));

    siv.run();
}

fn show_next(_: &mut Cursive) {
    // Empty for now
}
```

--------------------------------

### Naming a SelectView

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Assigning a name to a SelectView for later retrieval.

```rust
let select = SelectView::<String>::new()
    .on_submit(on_submit)
    .with_name("select")
    .fixed_size((10, 5));
```

--------------------------------

### Configure Cursive Backend in Cargo.toml

Source: https://github.com/gyscos/cursive/wiki/Backends

Specify a Cursive backend, such as blt-backend, in your Cargo.toml file by disabling default features and enabling the desired backend feature.

```toml
# Cargo.toml

[dependencies.cursive]
version = "0.20"
default-features = false
features = ["blt-backend"]
```

--------------------------------

### Updating SelectView from a dialog

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Retrieving an EditView and updating a named SelectView using call_on_name.

```rust
fn add_name(s: &mut Cursive) {
    fn ok(s: &mut Cursive, name: &str) {
        s.call_on_name("select", |view: &mut SelectView<String>| {
            view.add_item_str(name);
        });
        s.pop_layer();
    }

    s.add_layer(Dialog::around(EditView::new()
            .on_submit(ok)
            .with_name("name")
            .fixed_width(10))
        .title("Enter a new name")
        .button("Ok", |s| {
            let name = s.call_on_name("name", |v: &mut EditView| {
                v.get_content()
            }).unwrap();
            ok(s, &name);
        })
        .button("Cancel", |s| {
            s.pop_layer();
        }));
}
```

--------------------------------

### GridView Layout Visualization

Source: https://github.com/gyscos/cursive/wiki/Design:-multi-panel

Visual representation of a complex grid layout with borders and titles.

```text
+-----+--+
|     |  |
+--+--+  |
|  |  |  |
|  +--+--+
|  |     |
+--+-----+
```

--------------------------------

### Define and implement a custom view with custom colors

Source: https://github.com/gyscos/cursive/wiki/Theming

Use the CustomEntry trait to define a named color style and apply it within the draw method of a custom view.

```rust
trait CustomEntry {
    const NAME: &str;
}

struct MyCoolColor;
impl cursive::CustomEntry for MyCoolColor {
    const NAME: &str = "my_cool_color";
}

struct MyCoolView;

impl cursive::View for MyCoolView {
    fn draw(&self, printer: &cursive::Printer) {
        printer.with_color(cursive::theme::ColorStyle::custom(MyCoolColor), |printer| {
            printer.print((0, 0), "Cool!");
        });
    }
}
```

--------------------------------

### Accessing EditView content with call_on_name

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Using with_name to register an EditView and call_on_name to retrieve its content within a callback.

```rust
fn add_name(s: &mut Cursive) {
    s.add_layer(Dialog::around(EditView::new()
            .with_name("name")
            .fixed_width(10))
        .title("Enter a new name")
        .button("Ok", |s| {
            let name = s.call_on_name("name", |view: &mut EditView| {
                view.get_content()
            }).unwrap();
        })
        .button("Cancel", |s| {
            s.pop_layer();
        }));
}
```

--------------------------------

### Four-Quadrant MultiPanel Visualization

Source: https://github.com/gyscos/cursive/wiki/Design:-multi-panel

Visual representation of a simple four-quadrant grid layout.

```text
+-----+-----+
|  A  |  B  |
+-----+-----+
|  C  |  D  |
+-----+-----+
```

--------------------------------

### Use Latest Git Version of Cursive

Source: https://github.com/gyscos/cursive/blob/main/README.md

To use the latest development version of Cursive, specify the git repository in your Cargo.toml file.

```toml
[dependencies]
cursive = { git = "https://github.com/gyscos/cursive" }
```

--------------------------------

### Forward Cursive Features in Cargo.toml

Source: https://github.com/gyscos/cursive/wiki/Backends

Configure your Cargo.toml to allow selecting Cursive backends at compile time by forwarding Cursive's features to your application's features.

```toml
# Cargo.toml

[dependencies.cursive]
version = "0.20"
default-features = false

[features]
default = ["ncurses-backend"]
ncurses-backend = ["cursive/ncurses-backend"]
pancurses-backend = ["cursive/pancurses-backend"]
termion-backend = ["cursive/termion-backend"]
crossterm-backend = ["cursive/crossterm-backend"]
blt-backend = ["cursive/blt-backend"]
```

--------------------------------

### Embed a horizontal LinearLayout in a Dialog

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Wraps a horizontal layout containing a selection view and the previously defined buttons inside a Dialog.

```rust
siv.add_layer(Dialog::around(LinearLayout::horizontal()
        .child(select)
        .child(DummyView)
        .child(buttons))
    .title("Select a profile"));
```

--------------------------------

### Add Cursive Dependency to Cargo.toml

Source: https://github.com/gyscos/cursive/blob/main/README.md

Include Cursive in your project's dependencies by adding the specified version to your Cargo.toml file.

```toml
[dependencies]
cursive = "0.21"
```

--------------------------------

### Removing items with find_name

Source: https://github.com/gyscos/cursive/blob/main/doc/tutorial_3.md

Using find_name to obtain a handle to a view and remove the currently selected item.

```rust
fn delete_name(s: &mut Cursive) {
    let mut select = s.find_name::<SelectView<String>>("select").unwrap();
    match select.selected_id() {
        None => s.add_layer(Dialog::info("No name to remove")),
        Some(focus) => {
            select.remove_item(focus);
        }
    }
}
```

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