feat: left right movement done

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/hyperlog-tui/src/app.rs

@@ -0,0 +1,86 @@
+use ratatui::{
+    prelude::*,
+    widgets::{Block, Borders, Padding, Paragraph},
+};
+
+use crate::{components::GraphExplorer, state::SharedState, Msg};
+
+pub struct App<'a> {
+    state: SharedState,
+
+    graph_explorer: GraphExplorer<'a>,
+}
+
+impl<'a> App<'a> {
+    pub fn new(state: SharedState, graph_explorer: GraphExplorer<'a>) -> Self {
+        Self {
+            state,
+            graph_explorer,
+        }
+    }
+
+    pub fn update(&mut self, msg: Msg) -> anyhow::Result<()> {
+        tracing::trace!("handling msg: {:?}", msg);
+
+        match msg {
+            Msg::MoveRight => self.graph_explorer.move_right(),
+            Msg::MoveLeft => self.graph_explorer.move_left(),
+            Msg::MoveDown => self.graph_explorer.move_down(),
+            Msg::MoveUp => self.graph_explorer.move_up(),
+        }
+    }
+}
+
+impl<'a> Widget for &mut App<'a> {
+    fn render(self, area: Rect, buf: &mut Buffer)
+    where
+        Self: Sized,
+    {
+        StatefulWidget::render(
+            GraphExplorer::new(self.state.clone()),
+            area,
+            buf,
+            &mut self.graph_explorer.inner,
+        )
+    }
+}
+
+pub fn render_app(frame: &mut Frame, state: &mut App) {
+    let chunks =
+        Layout::vertical(vec![Constraint::Length(2), Constraint::Min(0)]).split(frame.size());
+
+    let heading = Paragraph::new(text::Line::from(
+        Span::styled("hyperlog", Style::default()).fg(Color::Green),
+    ));
+    let block_heading = Block::default().borders(Borders::BOTTOM);
+
+    frame.render_widget(heading.block(block_heading), chunks[0]);
+
+    let Rect { width, height, .. } = chunks[1];
+
+    let height = height as usize;
+    let width = width as usize;
+
+    let mut lines = Vec::new();
+    for y in 0..height {
+        if !y % 2 == 0 {
+            lines.push(text::Line::default());
+        } else {
+            lines.push(text::Line::raw(" ~ ".repeat(width / 3)));
+        }
+    }
+    let _background = Paragraph::new(lines);
+
+    let _bg_block = Block::default()
+        .fg(Color::DarkGray)
+        .bold()
+        .padding(Padding {
+            left: 4,
+            right: 4,
+            top: 2,
+            bottom: 2,
+        });
+    //frame.render_widget(background.block(bg_block), chunks[1]);
+
+    frame.render_widget(state, chunks[1])
+}