init

Cargo.toml

+[package]
+name = "bevy_cosmic_edit"
+version = "0.8.0"
+edition = "2021"
+license = "MIT OR Apache-2.0"
+description = "Bevy cosmic-text multiline text input"
+repository = "https://github.com/StaffEngineer/velo/tree/main/crates/bevy_cosmic_edit"
+readme = "Readme.md"
+keywords = ["bevy"]
+
+exclude = ["assets/*"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bevy = { git = "https://github.com/bevyengine/bevy", rev = "1e73312", default-features = false, features = [
+  "bevy_asset",
+  "bevy_core_pipeline",
+  "bevy_render",
+  "bevy_scene",
+  "bevy_sprite",
+  "bevy_text",
+  "bevy_ui",
+  "bevy_winit",
+  "png",
+  "x11",
+] }
+cosmic-text = { git = "https://github.com/pop-os/cosmic-text", rev = "79275d1" }
+image = "0.24.6"
+sys-locale = "0.3.0"
+
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+arboard = "3.2.0"
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+bevy = { git = "https://github.com/bevyengine/bevy", rev = "1e73312", default-features = false, features = [ "webgl2" ] }
+js-sys = "0.3.61"
+
+[dev-dependencies]
+insta = "1.29.0"
+bevy_pancam = { git = "https://github.com/StaffEngineer/bevy_pancam", rev = "7154e90" }
+
+[[example]]
+name = "basic_button"
+
+[[example]]
+name = "basic_sprite"
+
+[[example]]
+name = "font_per_widget"
+
+[[example]]
+name = "multiple_sprites"
+
+[[example]]
+name = "readonly"

LICENSE-APACHE

+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
\ No newline at end of file

LICENSE-MIT

+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+MIT License
+
+Copyright (c) 2017 Tristan Hume, Keith Hall, Google Inc and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file

examples/basic_button.rs

+use std::path::Path;
+
+use bevy::{prelude::*, window::PrimaryWindow};
+use bevy_cosmic_edit::{
+    create_cosmic_font_system, spawn_cosmic_edit, ActiveEditor, CosmicEditMeta, CosmicEditPlugin,
+    CosmicFont, CosmicFontConfig, CosmicMetrics, CosmicNode, CosmicText, CosmicTextPos,
+};
+use cosmic_text::AttrsOwned;
+
+fn setup(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    mut cosmic_fonts: ResMut<Assets<CosmicFont>>,
+) {
+    let primary_window = windows.single();
+    commands.spawn(Camera2dBundle::default());
+    let root = commands
+        .spawn(NodeBundle {
+            style: Style {
+                display: Display::Flex,
+                width: Val::Percent(100.),
+                height: Val::Percent(100.),
+                ..default()
+            },
+            ..default()
+        })
+        .id();
+
+    let cosmic_font_config = CosmicFontConfig {
+        fonts_dir_path: Some(Path::new("assets/fonts").into()),
+        font_bytes: None,
+        load_system_fonts: true,
+    };
+    let font_system = create_cosmic_font_system(cosmic_font_config);
+    let font_system_handle: Handle<CosmicFont> = cosmic_fonts.add(CosmicFont(font_system));
+    let mut attrs = cosmic_text::Attrs::new();
+    attrs = attrs.family(cosmic_text::Family::Name("Victor Mono"));
+    attrs = attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3));
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("😀😀😀 x => y".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        bg: Color::WHITE,
+        metrics: CosmicMetrics {
+            font_size: 14.,
+            line_height: 18.,
+            scale_factor: primary_window.scale_factor() as f32,
+        },
+        font_system_handle,
+        node: CosmicNode::Ui,
+        size: None,
+        readonly: false,
+        bg_image: None,
+    };
+    let cosmic_edit = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    commands.entity(root).add_child(cosmic_edit);
+    commands.insert_resource(ActiveEditor {
+        entity: Some(cosmic_edit),
+    });
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(CosmicEditPlugin)
+        .add_systems(Startup, setup)
+        .run();
+}

examples/basic_sprite.rs

+use std::path::Path;
+
+use bevy::{core_pipeline::clear_color::ClearColorConfig, prelude::*, window::PrimaryWindow};
+use bevy_cosmic_edit::{
+    create_cosmic_font_system, spawn_cosmic_edit, ActiveEditor, CosmicEditMeta, CosmicEditPlugin,
+    CosmicEditSprite, CosmicFont, CosmicFontConfig, CosmicMetrics, CosmicNode, CosmicText,
+    CosmicTextPos,
+};
+use bevy_pancam::{PanCam, PanCamPlugin};
+use cosmic_text::AttrsOwned;
+
+fn setup(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    mut cosmic_fonts: ResMut<Assets<CosmicFont>>,
+) {
+    let primary_window = windows.single();
+    let camera_bundle = Camera2dBundle {
+        camera_2d: Camera2d {
+            clear_color: ClearColorConfig::Custom(Color::WHITE),
+        },
+        ..default()
+    };
+    commands.spawn(camera_bundle).insert(PanCam {
+        grab_buttons: vec![MouseButton::Right],
+        enabled: true,
+        zoom_to_cursor: false,
+        min_scale: 1.,
+        max_scale: Some(3.),
+        ..default()
+    });
+    let cosmic_font_config = CosmicFontConfig {
+        fonts_dir_path: Some(Path::new("assets/fonts").into()),
+        font_bytes: None,
+        load_system_fonts: true,
+    };
+    let font_system = create_cosmic_font_system(cosmic_font_config);
+    let font_system_handle: Handle<CosmicFont> = cosmic_fonts.add(CosmicFont(font_system));
+    let mut attrs = cosmic_text::Attrs::new();
+    attrs = attrs.family(cosmic_text::Family::Name("Victor Mono"));
+    attrs = attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3));
+    let scale_factor = primary_window.scale_factor() as f32;
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("😀😀😀 x => y".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        bg: Color::WHITE,
+        metrics: CosmicMetrics {
+            font_size: 14.,
+            line_height: 18.,
+            scale_factor,
+        },
+        font_system_handle,
+        node: CosmicNode::Sprite(CosmicEditSprite {
+            transform: Transform {
+                translation: Vec3::new(0., 0., 1.),
+                ..default()
+            },
+        }),
+        size: Some((primary_window.width(), primary_window.height())),
+        readonly: false,
+        bg_image: None,
+    };
+    let cosmic_edit = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    commands.insert_resource(ActiveEditor {
+        entity: Some(cosmic_edit),
+    });
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(CosmicEditPlugin)
+        .add_plugins(PanCamPlugin::default())
+        .add_systems(Startup, setup)
+        .run();
+}

examples/font_per_widget.rs

+use std::path::Path;
+
+use bevy::{prelude::*, window::PrimaryWindow};
+use bevy_cosmic_edit::{
+    create_cosmic_font_system, get_cosmic_text, spawn_cosmic_edit, ActiveEditor, CosmicEdit,
+    CosmicEditMeta, CosmicEditPlugin, CosmicFont, CosmicFontConfig, CosmicMetrics, CosmicNode,
+    CosmicText, CosmicTextPos,
+};
+use cosmic_text::*;
+
+fn setup(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    mut cosmic_fonts: ResMut<Assets<CosmicFont>>,
+) {
+    commands.spawn(Camera2dBundle::default());
+    let root = commands
+        .spawn(NodeBundle {
+            style: bevy::prelude::Style {
+                position_type: PositionType::Absolute,
+                width: Val::Percent(100.),
+                height: Val::Percent(100.),
+                ..default()
+            },
+            ..default()
+        })
+        .id();
+    let primary_window = windows.single();
+    let cosmic_font_config = CosmicFontConfig {
+        fonts_dir_path: Some(Path::new("assets/fonts").into()),
+        font_bytes: None,
+        load_system_fonts: true,
+    };
+    let font_system = create_cosmic_font_system(cosmic_font_config);
+    let font_system_handle = cosmic_fonts.add(CosmicFont(font_system));
+
+    let attrs = Attrs::new();
+    let serif_attrs = attrs.family(Family::Serif);
+    let mono_attrs = attrs.family(Family::Monospace);
+    let comic_attrs = attrs.family(Family::Name("Comic Neue"));
+    let lines: Vec<Vec<(String, AttrsOwned)>> = vec![
+        vec![
+            (
+                String::from("B"),
+                AttrsOwned::new(attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (String::from("old "), AttrsOwned::new(attrs)),
+            (
+                String::from("I"),
+                AttrsOwned::new(attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (String::from("talic "), AttrsOwned::new(attrs)),
+            (String::from("f"), AttrsOwned::new(attrs)),
+            (String::from("i "), AttrsOwned::new(attrs)),
+            (
+                String::from("f"),
+                AttrsOwned::new(attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (String::from("i "), AttrsOwned::new(attrs)),
+            (
+                String::from("f"),
+                AttrsOwned::new(attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (String::from("i "), AttrsOwned::new(attrs)),
+        ],
+        vec![
+            (String::from("Sans-Serif Normal "), AttrsOwned::new(attrs)),
+            (
+                String::from("Sans-Serif Bold "),
+                AttrsOwned::new(attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (
+                String::from("Sans-Serif Italic "),
+                AttrsOwned::new(attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (
+                String::from("Sans-Serif Bold Italic"),
+                AttrsOwned::new(
+                    attrs
+                        .weight(cosmic_text::Weight::BOLD)
+                        .style(cosmic_text::Style::Italic),
+                ),
+            ),
+        ],
+        vec![
+            (String::from("Serif Normal "), AttrsOwned::new(serif_attrs)),
+            (
+                String::from("Serif Bold "),
+                AttrsOwned::new(serif_attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (
+                String::from("Serif Italic "),
+                AttrsOwned::new(serif_attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (
+                String::from("Serif Bold Italic"),
+                AttrsOwned::new(
+                    serif_attrs
+                        .weight(cosmic_text::Weight::BOLD)
+                        .style(cosmic_text::Style::Italic),
+                ),
+            ),
+        ],
+        vec![
+            (String::from("Mono Normal "), AttrsOwned::new(mono_attrs)),
+            (
+                String::from("Mono Bold "),
+                AttrsOwned::new(mono_attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (
+                String::from("Mono Italic "),
+                AttrsOwned::new(mono_attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (
+                String::from("Mono Bold Italic"),
+                AttrsOwned::new(
+                    mono_attrs
+                        .weight(cosmic_text::Weight::BOLD)
+                        .style(cosmic_text::Style::Italic),
+                ),
+            ),
+        ],
+        vec![
+            (String::from("Comic Normal "), AttrsOwned::new(comic_attrs)),
+            (
+                String::from("Comic Bold "),
+                AttrsOwned::new(comic_attrs.weight(cosmic_text::Weight::BOLD)),
+            ),
+            (
+                String::from("Comic Italic "),
+                AttrsOwned::new(comic_attrs.style(cosmic_text::Style::Italic)),
+            ),
+            (
+                String::from("Comic Bold Italic"),
+                AttrsOwned::new(
+                    comic_attrs
+                        .weight(cosmic_text::Weight::BOLD)
+                        .style(cosmic_text::Style::Italic),
+                ),
+            ),
+        ],
+        vec![
+            (
+                String::from("R"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x00, 0x00))),
+            ),
+            (
+                String::from("A"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x7F, 0x00))),
+            ),
+            (
+                String::from("I"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0xFF, 0x00))),
+            ),
+            (
+                String::from("N"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0xFF, 0x00))),
+            ),
+            (
+                String::from("B"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0x00, 0xFF))),
+            ),
+            (
+                String::from("O"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x4B, 0x00, 0x82))),
+            ),
+            (
+                String::from("W "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3))),
+            ),
+            (
+                String::from("Red "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x00, 0x00))),
+            ),
+            (
+                String::from("Orange "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x7F, 0x00))),
+            ),
+            (
+                String::from("Yellow "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0xFF, 0x00))),
+            ),
+            (
+                String::from("Green "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0xFF, 0x00))),
+            ),
+            (
+                String::from("Blue "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0x00, 0xFF))),
+            ),
+            (
+                String::from("Indigo "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x4B, 0x00, 0x82))),
+            ),
+            (
+                String::from("Violet "),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3))),
+            ),
+            (
+                String::from("U"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3))),
+            ),
+            (
+                String::from("N"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x4B, 0x00, 0x82))),
+            ),
+            (
+                String::from("I"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0x00, 0xFF))),
+            ),
+            (
+                String::from("C"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0x00, 0xFF, 0x00))),
+            ),
+            (
+                String::from("O"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0xFF, 0x00))),
+            ),
+            (
+                String::from("R"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x7F, 0x00))),
+            ),
+            (
+                String::from("N"),
+                AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x00, 0x00))),
+            ),
+        ],
+        vec![(
+            String::from("生活,삶,जिंदगी 😀 FPS"),
+            AttrsOwned::new(attrs.color(cosmic_text::Color::rgb(0xFF, 0x00, 0x00))),
+        )],
+    ];
+
+    let cosmic_edit_meta_1 = CosmicEditMeta {
+        text: CosmicText::MultiStyle(lines),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        metrics: CosmicMetrics {
+            font_size: 18.,
+            line_height: 22.,
+            scale_factor: primary_window.scale_factor() as f32,
+        },
+        font_system_handle: font_system_handle.clone(),
+        node: CosmicNode::Ui,
+        size: None,
+        bg: bevy::prelude::Color::WHITE,
+        readonly: false,
+        bg_image: None,
+    };
+    let cosmic_edit_1 = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta_1);
+
+    let mut attrs_2 = cosmic_text::Attrs::new();
+    attrs_2 = attrs_2.family(cosmic_text::Family::Name("Victor Mono"));
+    let cosmic_edit_meta_2 = CosmicEditMeta {
+        text: CosmicText::OneStyle("Widget 2.\nClick on me =>".to_string()),
+        attrs: AttrsOwned::new(attrs_2),
+        metrics: CosmicMetrics {
+            font_size: 14.,
+            line_height: 18.,
+            scale_factor: primary_window.scale_factor() as f32,
+        },
+        font_system_handle: font_system_handle.clone(),
+        node: CosmicNode::Ui,
+        text_pos: CosmicTextPos::Center,
+        size: None,
+        bg: bevy::prelude::Color::WHITE.with_a(0.8),
+        readonly: false,
+        bg_image: None,
+    };
+    let cosmic_edit_2 = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta_2);
+
+    commands.entity(root).add_child(cosmic_edit_1);
+    commands.entity(root).add_child(cosmic_edit_2);
+
+    commands.insert_resource(ActiveEditor {
+        entity: Some(cosmic_edit_1),
+    });
+}
+
+fn change_active_editor(
+    mut commands: Commands,
+    mut interaction_query: Query<
+        (&Interaction, &mut CosmicEdit, Entity),
+        (Changed<Interaction>, With<CosmicEdit>),
+    >,
+) {
+    for (interaction, cosmic_edit, entity) in interaction_query.iter_mut() {
+        if let Interaction::Clicked = interaction {
+            commands.insert_resource(ActiveEditor {
+                entity: Some(entity),
+            });
+            info!(
+                "Widget text: {}",
+                get_cosmic_text(&cosmic_edit.editor.buffer())
+            );
+        }
+    }
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(CosmicEditPlugin)
+        .add_systems(Startup, setup)
+        .add_systems(Update, change_active_editor)
+        .run();
+}

examples/multiple_sprites.rs

+use std::path::Path;
+
+use bevy::{core_pipeline::clear_color::ClearColorConfig, prelude::*, window::PrimaryWindow};
+use bevy_cosmic_edit::{
+    create_cosmic_font_system, spawn_cosmic_edit, ActiveEditor, CosmicEdit, CosmicEditMeta,
+    CosmicEditPlugin, CosmicEditSprite, CosmicFont, CosmicFontConfig, CosmicMetrics, CosmicNode,
+    CosmicText, CosmicTextPos,
+};
+use bevy_pancam::{PanCam, PanCamPlugin};
+use cosmic_text::AttrsOwned;
+
+#[derive(Component)]
+pub struct MainCamera;
+
+fn setup(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    mut cosmic_fonts: ResMut<Assets<CosmicFont>>,
+) {
+    let primary_window = windows.single();
+    let camera_bundle = Camera2dBundle {
+        camera_2d: Camera2d {
+            clear_color: ClearColorConfig::Custom(Color::WHITE),
+        },
+        ..default()
+    };
+    commands.spawn((camera_bundle, MainCamera)).insert(PanCam {
+        grab_buttons: vec![MouseButton::Right],
+        enabled: true,
+        zoom_to_cursor: false,
+        min_scale: 1.,
+        max_scale: Some(3.),
+        ..default()
+    });
+    let cosmic_font_config = CosmicFontConfig {
+        fonts_dir_path: Some(Path::new("assets/fonts").into()),
+        font_bytes: None,
+        load_system_fonts: true,
+    };
+    let font_system = create_cosmic_font_system(cosmic_font_config);
+    let font_system_handle = cosmic_fonts.add(CosmicFont(font_system));
+    let mut attrs = cosmic_text::Attrs::new();
+    attrs = attrs.family(cosmic_text::Family::Name("Victor Mono"));
+    attrs = attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3));
+    let metrics = CosmicMetrics {
+        font_size: 14.,
+        line_height: 18.,
+        scale_factor: primary_window.scale_factor() as f32,
+    };
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("😀😀😀 x => y".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        metrics: metrics.clone(),
+        font_system_handle: font_system_handle.clone(),
+        node: CosmicNode::Sprite(CosmicEditSprite {
+            transform: Transform {
+                translation: Vec3::new(-primary_window.width() / 4., 0., 1.),
+                ..default()
+            },
+        }),
+        size: Some((primary_window.width() / 2., primary_window.height())),
+        bg: Color::WHITE,
+        readonly: false,
+        bg_image: None,
+    };
+    let cosmic_edit_1 = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("Widget_2. Click on me".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        metrics: metrics.clone(),
+        font_system_handle: font_system_handle.clone(),
+        node: CosmicNode::Sprite(CosmicEditSprite {
+            transform: Transform {
+                translation: Vec3::new(
+                    primary_window.width() / 4.,
+                    -primary_window.height() / 4.,
+                    1.,
+                ),
+                ..default()
+            },
+        }),
+        size: Some((primary_window.width() / 2., primary_window.height() / 2.)),
+        bg: Color::GRAY.with_a(0.5),
+        readonly: false,
+        bg_image: None,
+    };
+    let _ = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("Widget_3. Click on me".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        metrics: metrics.clone(),
+        font_system_handle: font_system_handle.clone(),
+        node: CosmicNode::Sprite(CosmicEditSprite {
+            transform: Transform {
+                translation: Vec3::new(
+                    primary_window.width() / 4.,
+                    primary_window.height() / 4.,
+                    1.,
+                ),
+                ..default()
+            },
+        }),
+        size: Some((primary_window.width() / 2., primary_window.height() / 2.)),
+        bg: Color::GRAY.with_a(0.8),
+        readonly: false,
+        bg_image: None,
+    };
+    let _ = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    commands.insert_resource(ActiveEditor {
+        entity: Some(cosmic_edit_1),
+    });
+}
+
+fn change_active_editor(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    buttons: Res<Input<MouseButton>>,
+    mut cosmic_edit_query: Query<(&mut CosmicEdit, &GlobalTransform, Entity), With<CosmicEdit>>,
+    camera_q: Query<(&Camera, &GlobalTransform), With<MainCamera>>,
+) {
+    let window = windows.single();
+    let (camera, camera_transform) = camera_q.single();
+    if buttons.just_pressed(MouseButton::Left) {
+        for (cosmic_edit, node_transform, entity) in &mut cosmic_edit_query.iter_mut() {
+            let size = (cosmic_edit.width, cosmic_edit.height);
+            let x_min = node_transform.affine().translation.x - size.0 / 2.;
+            let y_min = node_transform.affine().translation.y - size.1 / 2.;
+            let x_max = node_transform.affine().translation.x + size.0 / 2.;
+            let y_max = node_transform.affine().translation.y + size.1 / 2.;
+            window.cursor_position().and_then(|pos| {
+                if let Some(pos) = camera.viewport_to_world_2d(camera_transform, pos) {
+                    Some({
+                        if x_min < pos.x && pos.x < x_max && y_min < pos.y && pos.y < y_max {
+                            commands.insert_resource(ActiveEditor {
+                                entity: Some(entity),
+                            });
+                        };
+                    })
+                } else {
+                    None
+                }
+            });
+        }
+    }
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(CosmicEditPlugin)
+        .add_plugins(PanCamPlugin::default())
+        .add_systems(Startup, setup)
+        .add_systems(Update, change_active_editor)
+        .run();
+}

examples/readonly.rs

+use std::path::Path;
+
+use bevy::{prelude::*, window::PrimaryWindow};
+use bevy_cosmic_edit::{
+    create_cosmic_font_system, spawn_cosmic_edit, ActiveEditor, CosmicEditMeta, CosmicEditPlugin,
+    CosmicFont, CosmicFontConfig, CosmicMetrics, CosmicNode, CosmicText, CosmicTextPos,
+};
+use cosmic_text::AttrsOwned;
+
+fn setup(
+    mut commands: Commands,
+    windows: Query<&Window, With<PrimaryWindow>>,
+    mut cosmic_fonts: ResMut<Assets<CosmicFont>>,
+) {
+    let primary_window = windows.single();
+    commands.spawn(Camera2dBundle::default());
+    let root = commands
+        .spawn(NodeBundle {
+            style: Style {
+                display: Display::Flex,
+                width: Val::Percent(100.),
+                height: Val::Percent(100.),
+                ..default()
+            },
+            ..default()
+        })
+        .id();
+
+    let cosmic_font_config = CosmicFontConfig {
+        fonts_dir_path: Some(Path::new("assets/fonts").into()),
+        font_bytes: None,
+        load_system_fonts: true,
+    };
+
+    let font_system = create_cosmic_font_system(cosmic_font_config);
+    let font_system_handle = cosmic_fonts.add(CosmicFont(font_system));
+    let mut attrs = cosmic_text::Attrs::new();
+    attrs = attrs.family(cosmic_text::Family::Name("Victor Mono"));
+    attrs = attrs.color(cosmic_text::Color::rgb(0x94, 0x00, 0xD3));
+    let cosmic_edit_meta = CosmicEditMeta {
+        text: CosmicText::OneStyle("😀😀😀 x => y\nRead only widget".to_string()),
+        attrs: AttrsOwned::new(attrs),
+        text_pos: CosmicTextPos::Center,
+        bg: Color::WHITE,
+        metrics: CosmicMetrics {
+            font_size: 14.,
+            line_height: 18.,
+            scale_factor: primary_window.scale_factor() as f32,
+        },
+        font_system_handle,
+        node: CosmicNode::Ui,
+        size: None,
+        readonly: true,
+        bg_image: None,
+    };
+    let cosmic_edit = spawn_cosmic_edit(&mut commands, &mut cosmic_fonts, cosmic_edit_meta);
+    commands.entity(root).add_child(cosmic_edit);
+    commands.insert_resource(ActiveEditor {
+        entity: Some(cosmic_edit),
+    });
+}
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_plugins(CosmicEditPlugin)
+        .add_systems(Startup, setup)
+        .run();
+}

readme.md

+# bevy_cosmic_edit
+
+This bevy plugin provides mutliline text editing for bevy apps, thanks to [cosmic_text](https://github.com/pop-os/cosmic-text) crate!
+
+Emoji, ligatures, and other fancy stuff is supported!
+
+![bevy_cosmic_edit](./bevy_cosmic_edit.png)
+
+## Usage
+
+⚠️ *Warning: This plugin is currently in early development, and its API is subject to change.*
+
+Explore examples folder for basic usage.
+
+```rust
+cargo r --example basic_sprite
+```
+
+## Compatibility
+
+| bevy | bevy_cosmic_edit |
+| ---- | ---------------- |
+| 0.10 | 0.7              |
+
+## License
+
+MIT or Apache-2.0

src/snapshots/bevy_cosmic_edit__tests__spawn_cosmic_edit.snap

+---
+source: crates/bevy_cosmic_edit/src/lib.rs
+assertion_line: 368
+expression: "node.editor.buffer().lines.iter().map(|line| line.text()).collect::<Vec<_>>()"
+---
+[
+    "Blah",
+]

src/utils.rs

+#[cfg(target_arch = "wasm32")]
+pub fn get_timestamp() -> f64 {
+    js_sys::Date::now()
+}
+
+#[cfg(not(target_arch = "wasm32"))]
+pub fn get_timestamp() -> f64 {
+    use std::time::SystemTime;
+    use std::time::UNIX_EPOCH;
+    let duration = SystemTime::now().duration_since(UNIX_EPOCH).unwrap();
+    duration.as_millis() as f64
+}