freya-code-editor 0.4.0

Composable Code Editor APIs for Freya
Documentation 
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use freya_components::{
    define_theme,
    theming::{
        component_themes::Theme,
        macros::Preference,
    },
};
use freya_core::prelude::Color;

use crate::editor_ui::CodeEditor;

define_theme! {
    for = CodeEditor; theme_field = theme;
    pub Editor {
        %[fields]
        background: Color,
        gutter_selected: Color,
        gutter_unselected: Color,
        line_selected_background: Color,
        cursor: Color,
        highlight: Color,
        text: Color,
        whitespace: Color,
    }
}

define_theme! {
    %[no_ext]
    pub EditorSyntax {
        %[fields]
        text: Color,
        whitespace: Color,
        attribute: Color,
        boolean: Color,
        comment: Color,
        constant: Color,
        constructor: Color,
        escape: Color,
        function: Color,
        function_macro: Color,
        function_method: Color,
        keyword: Color,
        label: Color,
        module: Color,
        number: Color,
        operator: Color,
        property: Color,
        punctuation: Color,
        punctuation_bracket: Color,
        punctuation_delimiter: Color,
        punctuation_special: Color,
        string: Color,
        string_escape: Color,
        string_special: Color,
        tag: Color,
        text_literal: Color,
        text_reference: Color,
        text_title: Color,
        text_uri: Color,
        text_emphasis: Color,
        type_: Color,
        variable: Color,
        variable_builtin: Color,
        variable_parameter: Color,
    }
}

impl EditorTheme {
    pub fn dark() -> Self {
        Self {
            background: Color::from_rgb(29, 32, 33),
            gutter_selected: Color::from_rgb(235, 235, 235),
            gutter_unselected: Color::from_rgb(135, 135, 135),
            line_selected_background: Color::from_rgb(55, 55, 55),
            cursor: Color::WHITE,
            highlight: Color::from_rgb(80, 80, 80),
            text: Color::WHITE,
            whitespace: Color::from_af32rgb(0.2, 223, 191, 142),
        }
    }

    pub fn light() -> Self {
        Self {
            background: Color::from_rgb(246, 248, 250),
            gutter_selected: Color::from_rgb(36, 41, 46),
            gutter_unselected: Color::from_rgb(140, 149, 159),
            line_selected_background: Color::from_rgb(234, 238, 242),
            cursor: Color::from_rgb(36, 41, 46),
            highlight: Color::from_rgb(200, 225, 255),
            text: Color::from_rgb(36, 41, 46),
            whitespace: Color::from_af32rgb(0.3, 106, 115, 125),
        }
    }
}

impl EditorSyntaxTheme {
    pub fn dark() -> Self {
        Self {
            text: Color::from_rgb(235, 219, 178),
            whitespace: Color::from_af32rgb(0.2, 223, 191, 142),
            attribute: Color::from_rgb(131, 165, 152),
            boolean: Color::from_rgb(211, 134, 155),
            comment: Color::from_rgb(146, 131, 116),
            constant: Color::from_rgb(211, 134, 155),
            constructor: Color::from_rgb(250, 189, 47),
            escape: Color::from_rgb(254, 128, 25),
            function: Color::from_rgb(152, 192, 124),
            function_macro: Color::from_rgb(131, 165, 152),
            function_method: Color::from_rgb(152, 192, 124),
            keyword: Color::from_rgb(251, 73, 52),
            label: Color::from_rgb(211, 134, 155),
            module: Color::from_rgb(250, 189, 47),
            number: Color::from_rgb(211, 134, 155),
            operator: Color::from_rgb(104, 157, 96),
            property: Color::from_rgb(152, 192, 124),
            punctuation: Color::from_rgb(104, 157, 96),
            punctuation_bracket: Color::from_rgb(254, 128, 25),
            punctuation_delimiter: Color::from_rgb(104, 157, 96),
            punctuation_special: Color::from_rgb(131, 165, 152),
            string: Color::from_rgb(184, 187, 38),
            string_escape: Color::from_rgb(254, 128, 25),
            string_special: Color::from_rgb(184, 187, 38),
            tag: Color::from_rgb(131, 165, 152),
            text_literal: Color::from_rgb(235, 219, 178),
            text_reference: Color::from_rgb(131, 165, 152),
            text_title: Color::from_rgb(250, 189, 47),
            text_uri: Color::from_rgb(104, 157, 96),
            text_emphasis: Color::from_rgb(235, 219, 178),
            type_: Color::from_rgb(250, 189, 47),
            variable: Color::from_rgb(235, 219, 178),
            variable_builtin: Color::from_rgb(211, 134, 155),
            variable_parameter: Color::from_rgb(235, 219, 178),
        }
    }

    pub fn light() -> Self {
        Self {
            text: Color::from_rgb(36, 41, 46),
            whitespace: Color::from_af32rgb(0.3, 106, 115, 125),
            attribute: Color::from_rgb(0, 92, 197),
            boolean: Color::from_rgb(0, 92, 197),
            comment: Color::from_rgb(106, 115, 125),
            constant: Color::from_rgb(0, 92, 197),
            constructor: Color::from_rgb(111, 66, 193),
            escape: Color::from_rgb(227, 98, 9),
            function: Color::from_rgb(111, 66, 193),
            function_macro: Color::from_rgb(111, 66, 193),
            function_method: Color::from_rgb(111, 66, 193),
            keyword: Color::from_rgb(215, 58, 73),
            label: Color::from_rgb(215, 58, 73),
            module: Color::from_rgb(227, 98, 9),
            number: Color::from_rgb(0, 92, 197),
            operator: Color::from_rgb(215, 58, 73),
            property: Color::from_rgb(0, 92, 197),
            punctuation: Color::from_rgb(36, 41, 46),
            punctuation_bracket: Color::from_rgb(36, 41, 46),
            punctuation_delimiter: Color::from_rgb(36, 41, 46),
            punctuation_special: Color::from_rgb(215, 58, 73),
            string: Color::from_rgb(3, 47, 98),
            string_escape: Color::from_rgb(227, 98, 9),
            string_special: Color::from_rgb(3, 47, 98),
            tag: Color::from_rgb(34, 134, 58),
            text_literal: Color::from_rgb(3, 47, 98),
            text_reference: Color::from_rgb(0, 92, 197),
            text_title: Color::from_rgb(0, 92, 197),
            text_uri: Color::from_rgb(3, 47, 98),
            text_emphasis: Color::from_rgb(36, 41, 46),
            type_: Color::from_rgb(111, 66, 193),
            variable: Color::from_rgb(36, 41, 46),
            variable_builtin: Color::from_rgb(0, 92, 197),
            variable_parameter: Color::from_rgb(227, 98, 9),
        }
    }
}

impl Default for EditorTheme {
    fn default() -> Self {
        Self::light()
    }
}

impl Default for EditorSyntaxTheme {
    fn default() -> Self {
        Self::light()
    }
}

/// Wraps a resolved [`EditorTheme`] into a preference of `Specific` values.
impl From<EditorTheme> for EditorThemePreference {
    fn from(theme: EditorTheme) -> Self {
        Self {
            background: Preference::Specific(theme.background),
            gutter_selected: Preference::Specific(theme.gutter_selected),
            gutter_unselected: Preference::Specific(theme.gutter_unselected),
            line_selected_background: Preference::Specific(theme.line_selected_background),
            cursor: Preference::Specific(theme.cursor),
            highlight: Preference::Specific(theme.highlight),
            text: Preference::Specific(theme.text),
            whitespace: Preference::Specific(theme.whitespace),
        }
    }
}

/// Registers code editor themes into a [`Theme`], e.g. `dark_theme().with_dark_code_editor()`.
pub trait CodeEditorThemeExt {
    fn with_dark_code_editor(self) -> Self;
    fn with_light_code_editor(self) -> Self;
}

impl CodeEditorThemeExt for Theme {
    fn with_dark_code_editor(mut self) -> Self {
        self.set(
            "code_editor",
            EditorThemePreference::from(EditorTheme::dark()),
        );
        self.set("code_editor_syntax", EditorSyntaxTheme::dark());
        self
    }

    fn with_light_code_editor(mut self) -> Self {
        self.set(
            "code_editor",
            EditorThemePreference::from(EditorTheme::light()),
        );
        self.set("code_editor_syntax", EditorSyntaxTheme::light());
        self
    }
}