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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,10 @@ | ||
| mod filebrowser; | ||
| mod textarea; | ||
|
|
||
| pub use filebrowser::{FileBrowserState, FileBrowserWidget}; | ||
| pub use textarea::{TextAreaState, TextAreaWidget}; | ||
|
|
||
| use super::{KeyTrack, ModalAction, TextArea, TextWindowTrait}; | ||
| use super::{ | ||
| KeyTrack, ModalAction, ReadDocument, ReadWriteDocument, TextArea, | ||
| TextBuffer, TextDocumentTrait, TextLine, TextWindowTrait, | ||
| }; |
99 changes: 99 additions & 0 deletions
99
lumni/src/apps/builtin/llm/prompt/src/tui/widgets/textarea.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| use ratatui::buffer::Buffer; | ||
| use ratatui::layout::Rect; | ||
| use ratatui::style::Style; | ||
| use ratatui::widgets::{ | ||
| Paragraph, Scrollbar, ScrollbarOrientation, ScrollbarState, | ||
| StatefulWidget, StatefulWidgetRef, Widget, | ||
| }; | ||
|
|
||
| use super::{ | ||
| KeyTrack, ReadDocument, ReadWriteDocument, TextBuffer, TextDocumentTrait, | ||
| TextLine, | ||
| }; | ||
|
|
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| pub struct TextAreaWidget<T: TextDocumentTrait>(std::marker::PhantomData<T>); | ||
|
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| pub struct TextAreaState<'a, T: TextDocumentTrait> { | ||
| text_buffer: TextBuffer<'a, T>, | ||
| scroll_offset: usize, | ||
| } | ||
|
|
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| impl<T: TextDocumentTrait> TextAreaWidget<T> { | ||
| pub fn new() -> Self { | ||
| Self(std::marker::PhantomData) | ||
| } | ||
| } | ||
|
|
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| impl<'a, T: TextDocumentTrait> TextAreaState<'a, T> { | ||
| pub fn new(document: T) -> Self { | ||
| Self { | ||
| text_buffer: TextBuffer::new(document), | ||
| scroll_offset: 0, | ||
| } | ||
| } | ||
|
|
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| pub fn text_buffer(&self) -> &TextBuffer<'a, T> { | ||
| &self.text_buffer | ||
| } | ||
|
|
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| pub fn text_buffer_mut(&mut self) -> &mut TextBuffer<'a, T> { | ||
| &mut self.text_buffer | ||
| } | ||
|
|
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| pub fn handle_key_event(&mut self, key_event: &KeyTrack) { | ||
| // For now, just print the received key events | ||
| eprintln!("Received key event: {:?}", key_event.current_key()); | ||
| } | ||
| } | ||
|
|
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| impl<'a> TextAreaState<'a, ReadDocument> { | ||
| pub fn with_read_document(text: Option<Vec<TextLine>>) -> Self { | ||
| let document = if let Some(text) = text { | ||
| ReadDocument::from_text(text) | ||
| } else { | ||
| ReadDocument::new() | ||
| }; | ||
| Self::new(document) | ||
| } | ||
| } | ||
|
|
||
| impl<'a> TextAreaState<'a, ReadWriteDocument> { | ||
| pub fn with_read_write_document(text: Option<Vec<TextLine>>) -> Self { | ||
| let document = if let Some(text) = text { | ||
| ReadWriteDocument::from_text(text) | ||
| } else { | ||
| ReadWriteDocument::new() | ||
| }; | ||
| Self::new(document) | ||
| } | ||
| } | ||
|
|
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| impl<T: TextDocumentTrait> StatefulWidget for &TextAreaWidget<T> { | ||
| type State = TextAreaState<'static, T>; | ||
|
|
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| fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) { | ||
| StatefulWidgetRef::render_ref(&self, area, buf, state) | ||
| } | ||
| } | ||
|
|
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| impl<T: TextDocumentTrait> StatefulWidgetRef for &TextAreaWidget<T> { | ||
| type State = TextAreaState<'static, T>; | ||
|
|
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| fn render_ref( | ||
| &self, | ||
| area: Rect, | ||
| buf: &mut Buffer, | ||
| state: &mut Self::State, | ||
| ) { | ||
| state.text_buffer.set_width(area.width as usize); | ||
| state.text_buffer.update_display_text(); | ||
|
|
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| let visible_text = state.text_buffer.display_window_lines( | ||
| state.scroll_offset, | ||
| state.scroll_offset + area.height as usize, | ||
| ); | ||
|
|
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| let paragraph = Paragraph::new(visible_text).style(Style::default()); | ||
| Widget::render(paragraph, area, buf); | ||
| } | ||
| } |
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