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Add cursor to textarea

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fromost
2025-10-15 18:06:45 +08:00
parent 8142d542f6
commit a776e55187
8 changed files with 109 additions and 42 deletions
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7
Cargo.lock generated
View File

@@ -1727,6 +1727,12 @@ dependencies = [
"getrandom 0.2.16",
]
[[package]]
name = "rat-cursor"
version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7d7c7dfdb4219fa10891a06232b071460a66ccd15ce627e3764d63c0371eb9f5"
[[package]]
name = "ratatui"
version = "0.29.0"
@@ -2234,6 +2240,7 @@ dependencies = [
"futures",
"lazy_static",
"libsqlite3-sys",
"rat-cursor",
"ratatui",
"reqwest",
"robotstxt",

1
Cargo.toml
View File

@@ -16,6 +16,7 @@ lazy_static = "1.5.0"
rust-ini = "0.21.3"
robotstxt = "0.3.0"
scraper = "0.24.0"
rat-cursor = "1.2.1"
[dependencies.tui-input]
version = "0.14.0"

8
src/app.rs
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@@ -1,4 +1,4 @@
use std::any::Any;
use std::any::{Any};
use crate::event::{AppEvent, EventHandler};
use ratatui::{DefaultTerminal, Frame};
use std::time::Duration;
@@ -6,10 +6,11 @@ use color_eyre::Result;
use crossterm::event::{Event, KeyEvent};
use crossterm::event::Event as CrosstermEvent;
use diesel::{Connection, SqliteConnection};
use rat_cursor::HasScreenCursor;
use crate::config::types::ApplicationConfig;
use crate::constants::{APP_CONFIG_DIR, APP_CONIFG_FILE_PATH, APP_DATA_DIR};
use crate::widgets::views::{View};
use crate::widgets::views::main_view::MainView;
use crate::widgets::views::MainView;
pub(crate) struct App {
events: EventHandler,
@@ -99,6 +100,9 @@ impl App {
if let Some(view) = self.state.view.as_mut() {
if let Some(main_view) = view.downcast_mut::<MainView>() {
frame.render_stateful_widget(MainView::new(&self.app_config), frame.area(), &mut main_view.state);
if let Some(pos) = main_view.screen_cursor() {
frame.set_cursor_position(pos);
}
}
}
}

3
src/widgets/components/mod.rs
View File

@@ -1 +1,2 @@
pub mod textarea;
mod textarea;
pub use textarea::*;

66
src/widgets/components/textarea.rs
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@@ -1,21 +1,29 @@
use crossterm::event::{Event};
use ratatui::buffer::Buffer;
use ratatui::layout::Rect;
use ratatui::layout::{Constraint, Direction, Layout, Rect};
use ratatui::prelude::StatefulWidget;
use ratatui::text::Text;
use ratatui::widgets::{Block, Borders, Paragraph, Widget};
use tui_input::backend::crossterm::EventHandler;
use tui_input::Input;
use tui_input::backend::crossterm::{EventHandler};
use tui_input::{Input};
use color_eyre::Result;
use ratatui::crossterm::cursor::SetCursorStyle;
use rat_cursor::HasScreenCursor;
use ratatui::style::{Color, Stylize};
#[derive(Clone)]
pub struct TextArea {
input: Input,
title: String,
style: TextAreaStyle,
area: Option<Rect>,
pub active: bool,
}
#[derive(Clone)]
pub enum TextAreaStyle {
Block, SingleLine
}
impl StatefulWidget for TextArea {
type State = TextArea;
fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State)
@@ -23,21 +31,57 @@ impl StatefulWidget for TextArea {
Self: Sized
{
let input_value = state.input.value().to_string();
let block = Block::default()
.borders(Borders::ALL)
.title(state.title.clone());
let paragraph = Paragraph::new(Text::from(input_value))
.block(block);
paragraph.render(area, buf);
let title = self.title.clone();
if matches!(self.style, TextAreaStyle::Block) {
let block = Block::default()
.borders(Borders::ALL)
.title(title);
let paragraph = Paragraph::new(Text::from(input_value))
.block(block);
paragraph.render(area, buf);
}
else if matches!(self.style, TextAreaStyle::SingleLine) {
let chunks = Layout::default()
.direction(Direction::Horizontal)
.constraints([
Constraint::Percentage(10),
Constraint::Fill(0),
])
.split(area);
let text = Text::from(self.title);
let line = Paragraph::new(text);
let input_text = Text::from(input_value)
.fg(Color::White);
let paragraph = Paragraph::new(input_text)
.bg(Color::Green);
state.area = Some(chunks[1]);
line.render(chunks[0], buf);
paragraph.render(chunks[1], buf);
}
}
}
impl HasScreenCursor for TextArea {
fn screen_cursor(&self) -> Option<(u16, u16)> {
if self.area.is_none() {
return None;
}
let area = self.area.unwrap();
let width = area.width.max(3) - 3;
let scroll = self.input.visual_scroll(width as usize);
let x = (self.input.visual_cursor().max(scroll) - scroll) as u16;
Some((area.x + x, area.y))
}
}
impl TextArea {
pub fn new(title: &str, placeholder_text: &str) -> Self {
pub fn new(title: &str, placeholder_text: &str, style: Option<TextAreaStyle>) -> Self {
Self {
input: Input::new(placeholder_text.to_string()),
title: title.to_string(),
active: false,
style: style.unwrap_or(TextAreaStyle::SingleLine),
area: None,
}
}

6
src/widgets/popups/folder.rs
View File

@@ -2,7 +2,7 @@ use ratatui::buffer::Buffer;
use ratatui::layout::{Constraint, Direction, Layout, Margin, Rect};
use ratatui::prelude::{StatefulWidget, Widget};
use ratatui::widgets::{Block, Borders};
use crate::widgets::components::textarea::TextArea;
use crate::widgets::components::TextArea;
#[derive(Clone)]
pub struct AddFolderPopup {
@@ -11,7 +11,7 @@ pub struct AddFolderPopup {
impl AddFolderPopup {
pub fn new() -> Self {
let mut textarea = TextArea::new("Folder Path", "");
let mut textarea = TextArea::new("Folder Path", "", None);
textarea.active = true;
Self {
textarea
@@ -38,7 +38,7 @@ impl StatefulWidget for AddFolderPopup {
let chunks = Layout::default()
.direction(Direction::Vertical)
.constraints(vec![
Constraint::Min(2)
Constraint::Length(1)
])
.split(popup_area.inner(Margin::new(1, 1)));
self.textarea.render(chunks[0], buf, &mut state.textarea);

47
src/widgets/views/main_view.rs
View File

@@ -1,14 +1,16 @@
use std::any::Any;
use crossterm::event::{Event, KeyCode, KeyEvent, KeyEventKind};
use crossterm::event::KeyCode::Char;
use rat_cursor::HasScreenCursor;
use ratatui::buffer::Buffer;
use ratatui::Frame;
use ratatui::layout::{Constraint, Direction, Layout, Rect};
use ratatui::prelude::{Color, Line, Span, Style, Text, Widget};
use ratatui::widgets::{Block, Borders, Paragraph, StatefulWidget};
use crate::config::types::ApplicationConfig;
use crate::constants::APP_CONIFG_FILE_PATH;
use crate::widgets::popups::folder::AddFolderPopup;
use crate::widgets::views::{AppStatus, View};
use crate::widgets::views::{View};
pub struct MainView {
app_config: ApplicationConfig,
@@ -18,7 +20,14 @@ pub struct MainView {
#[derive(Debug)]
pub struct MainViewState {
popup: Option<Box<dyn Any>>,
status: AppStatus,
status: Status,
}
#[derive(Debug, Clone, Copy)]
enum Status {
Running,
Exiting,
Popup
}
impl MainView {
@@ -26,28 +35,25 @@ impl MainView {
Self {
state: MainViewState {
popup: None,
status: AppStatus::Running
status: Status::Running
},
app_config: app_conf.clone(),
app_config: app_conf.clone()
}
}
fn quit(&mut self) -> color_eyre::Result<()> {
if self.state.popup.is_none() {
self.state.status = AppStatus::Exiting;
self.state.status = Status::Exiting;
self.app_config
.clone()
.write_to_file(&APP_CONIFG_FILE_PATH.to_path_buf())?;
}
else {
self.state.popup = None;
}
Ok(())
}
fn folder_popup(&mut self) {
self.state.popup = Some(Box::new(AddFolderPopup::new()));
self.state.status = AppStatus::Input;
self.state.status = Status::Popup;
}
}
@@ -61,10 +67,11 @@ impl View for MainView {
}
fn handle_key_input(&mut self, key: &KeyEvent) -> color_eyre::Result<()> {
if matches!(self.state.status, AppStatus::Input) && matches!(key.code, KeyCode::Esc) {
self.state.status = AppStatus::Running;
if matches!(self.state.status, Status::Popup) && matches!(key.code, KeyCode::Esc) {
self.state.status = Status::Running;
self.state.popup = None;
}
if matches!(key.kind, KeyEventKind::Press) && !matches!(self.state.status, AppStatus::Input) {
if !matches!(self.state.status, Status::Popup) && matches!(key.kind, KeyEventKind::Press) {
match key.code {
Char('q') => self.quit()?,
Char('a') => self.folder_popup(),
@@ -75,7 +82,7 @@ impl View for MainView {
}
fn is_running(&self) -> bool {
!matches!(self.state.status, AppStatus::Exiting)
!matches!(self.state.status, Status::Exiting)
}
}
@@ -105,6 +112,16 @@ impl StatefulWidget for MainView {
}
}
impl HasScreenCursor for MainView {
fn screen_cursor(&self) -> Option<(u16, u16)> {
if let Some(popup) = &self.state.popup &&
let Some(add_folder) = popup.downcast_ref::<AddFolderPopup>() {
return add_folder.textarea.screen_cursor()
}
None
}
}
impl MainView {
fn render_game_list(state: &mut MainViewState, area: Rect, buf: &mut Buffer) {
let game_list = Block::new()
@@ -128,8 +145,8 @@ impl MainView {
let mut navigation_text = vec![
Span::styled("(q) quit / (a) add folders", Style::default().fg(Color::Green)),
];
if matches!(state.status, AppStatus::Input) {
navigation_text[0] = Span::styled("Input Mode", Style::default().fg(Color::Green));
if matches!(state.status, Status::Popup) {
navigation_text[0] = Span::styled("(Esc) close", Style::default().fg(Color::Green));
}
let line = Line::from(navigation_text);
let footer = Paragraph::new(line);

13
src/widgets/views/mod.rs
View File

@@ -1,14 +1,7 @@
use std::any::Any;
mod main_view;
use crossterm::event::{Event, KeyEvent};
pub mod main_view;
#[derive(Debug, Clone, Copy)]
pub enum AppStatus {
Running,
Exiting,
Input
}
pub use main_view::MainView;
pub trait View {
fn handle_input(&mut self, event: &Event) -> color_eyre::Result<()>;