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use iced::advanced::text::highlighter::Format;
use iced::border::Radius;
use iced::widget::{button, hover, pane_grid, right, text, text_editor};
use iced::{Border, Font, Length};
use iced_custom_highlighter::{Highlight, Highlighter, Scope, Settings};
use iced_material::Theme;
use super::style;
use crate::icon;
use crate::types::{DesignerPane, Message};
// TODO: implement a highlight style for the material theme
//fn highlight_style(theme: &Theme, scope: &Scope) -> Format<Font> {
// let theme = if theme.is_dark() {
// iced::Theme::SolarizedDark
// } else {
// iced::Theme::SolarizedLight
// };
//
// match scope {
// Scope::Custom { .. } | Scope::Other => Format {
// color: Some(theme.extended_palette().primary.strong.color),
// font: None,
// },
// _ => Highlight::default_style(&theme, scope),
// }
//}
fn highlight_style(theme: &Theme, scope: &Scope) -> Format<Font> {
let colors = theme.colors();
let color = match scope {
// Comments are low-priority and often de-emphasized
Scope::Comment => colors.outline.variant,
// Strings and escape sequences are content-rich
Scope::String
| Scope::QuotedString
| Scope::QuotedSingle
| Scope::EscapeSequence => colors.tertiary.color,
// Regex deserves distinct treatment, often looking like code but acting like a string
Scope::RegExp => colors.secondary.secondary_container,
// Numeric literals and constants (user- or built-in)
Scope::Number | Scope::BuiltinConstant | Scope::UserDefinedConstant => {
colors.secondary.color
}
// Variable identifiers and function call references
Scope::Variable | Scope::VariableFunction | Scope::VariableStart => {
colors.primary.color
}
// Function and method declarations
Scope::FunctionName | Scope::LibraryFunction => {
colors.primary.primary_container
}
// Keywords and language operators
Scope::Keyword
| Scope::KeywordOperator
| Scope::KeywordOther
| Scope::Operator
| Scope::Continuation => colors.secondary.secondary_container,
// Module/class/namespace declarations
Scope::Class
| Scope::LibraryClass
| Scope::StorageType
| Scope::StorageModifier
| Scope::Storage => colors.tertiary.tertiary_container,
// Import paths or directives
Scope::Import => colors.tertiary.color,
// Error cases, invalid tokens
Scope::Exception | Scope::Invalid => colors.error.color,
// HTML-like tags or markup tokens
Scope::TagName | Scope::TagStart => colors.primary.primary_container,
// Special constants, macros, etc.
Scope::Special | Scope::SupportConstruct => {
colors.inverse.inverse_primary
}
// Braces, parentheses, brackets — structural but low priority
Scope::Braces | Scope::Parantheses | Scope::Brackets => {
colors.outline.variant
}
// Fallback
Scope::Other => colors.surface.on_surface_variant,
// Handle user-defined custom scope
Scope::Custom { name, .. } => {
if name.contains("comment") {
colors.outline.variant
} else if name.contains("error") {
colors.error.color
} else if name.contains("string") {
colors.tertiary.color
} else if name.contains("keyword") {
colors.secondary.secondary_container
} else if name.contains("function") {
colors.primary.primary_container
} else {
// Default fallback for unknown custom scopes
colors.surface.on_surface_variant
}
}
};
Format {
color: Some(color),
font: None,
}
}
pub fn view(
editor_content: &text_editor::Content,
is_focused: bool,
) -> pane_grid::Content<'_, Message, Theme> {
let title_bar = pane_grid::TitleBar::new(text("Generated Code").center())
.controls(pane_grid::Controls::dynamic(
button("Switch to Designer view")
.on_press(DesignerPane::DesignerView.into()),
button(icon::switch()).on_press(DesignerPane::DesignerView.into()),
))
.padding(10)
.style(style::title_bar);
let editor = text_editor(editor_content)
.on_action(Message::EditorAction)
.font(Font::MONOSPACE)
.highlight_with::<Highlighter<Theme>>(
Settings::new(vec![], highlight_style, "rs"),
Highlight::to_format,
)
.style(|theme, _| {
let style = iced_material::text_editor::default(
theme,
text_editor::Status::Active,
);
text_editor::Style {
border: Border {
radius: Radius::default(),
..style.border
},
..style
}
})
.height(Length::Fill)
.padding(20);
let copy = button(icon::copy().size(22).line_height(1.0).center())
.on_press(Message::CopyCode)
.padding(3)
.width(28)
.style(|theme, status| {
let style = iced_material::button::text(theme, status);
button::Style {
border: style.border.rounded(4),
..style
}
});
pane_grid::Content::new(hover(editor, right(copy).padding(16.0 * 0.875)))
.title_bar(title_bar)
.style(if is_focused {
style::pane_focused
} else {
style::pane_active
})
}
|
