3 files changed, 66 insertions, 3 deletions

diff --git a/src/app.rs b/src/app.rs
index 71e6a02..937c7d7 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,6 +1,6 @@
 use std::{io, time::Duration};
 
-use crate::{sheet::register::Register, tui, widgets::sheetview::SheetView};
+use crate::{sheet::register::Register, tui, widgets::{logview::LogView, sheetview::SheetView}};
 
 use ratatui::{
     crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind, KeyModifiers},
@@ -11,6 +11,7 @@ use ratatui::{
 pub struct App<'a> {
     exit: bool,
     view: SheetView<'a>,
+    logview: Option<LogView<'a>>,
 }
 
 impl App<'_> {
@@ -30,7 +31,7 @@ impl App<'_> {
 
         let view = SheetView::new(sheet_id).block(Block::bordered().title("Sheet"));
 
-        Self { exit: false, view }
+        Self { exit: false, view, logview: None }
     }
 
     pub fn run(&mut self, terminal: &mut tui::Tui) -> io::Result<()> {
@@ -61,6 +62,12 @@ impl App<'_> {
     fn handle_key_event(&mut self, key_event: KeyEvent) {
         match key_event.code {
             KeyCode::Char('q') if key_event.modifiers == KeyModifiers::CONTROL => self.exit(),
+            KeyCode::Char('l') if key_event.modifiers == KeyModifiers::CONTROL => {
+                match self.logview {
+                    Some(_) => self.logview = None,
+                    None => self.logview = Some(LogView::new().block(Block::bordered().title(" Log "))),
+                }
+            }
             _ => self.view.handle_key_event(key_event),
         }
     }
@@ -75,6 +82,13 @@ impl Widget for &mut App<'_> {
     where
         Self: Sized,
     {
-        self.view.render(area, buf);
+        match &mut self.logview {
+            Some(logview) => {
+                let layout = Layout::vertical([Constraint::Min(2), Constraint::Length(15)]).split(area);
+                self.view.render(layout[0], buf);
+                logview.render(layout[1], buf);
+            },
+            None => self.view.render(area, buf),
+        }
     }
 }
diff --git a/src/widgets/logview.rs b/src/widgets/logview.rs
new file mode 100644
index 0000000..4259e35
--- /dev/null
+++ b/src/widgets/logview.rs
@@ -0,0 +1,48 @@
+use ratatui::{text::ToSpan, widgets::{block::BlockExt, Block, Widget}};
+
+use crate::lua::iobuffer::iobuffer;
+
+
+pub struct LogView<'a> {
+    block: Option<Block<'a>>
+}
+
+impl<'a> LogView<'a> {
+    pub fn new() -> Self {
+        Self { block: None }
+    }
+
+    pub fn block(mut self, block: Block<'a>) -> Self {
+        self.block = Some(block);
+        self
+    }
+}
+
+impl Widget for &mut LogView<'_> {
+    fn render(self, area: ratatui::prelude::Rect, buf: &mut ratatui::prelude::Buffer)
+    where
+        Self: Sized {
+        self.block.render(area, buf);
+        let inner_area = self.block.inner_if_some(area);
+
+        let lines = {
+            let buffer = iobuffer().read().unwrap();
+            buffer.get()
+        };
+
+        let mut line_area = inner_area.clone();
+        line_area.height = 1;
+        line_area.y = inner_area.y + inner_area.height - 1;
+
+        for line in lines.lines().rev() {
+            let line = line.to_span();
+            line.render(line_area, buf);
+
+            line_area.y -= 1;
+
+            if !inner_area.contains(line_area.into()) {
+                break;
+            }
+        }
+    }
+}
diff --git a/src/widgets/mod.rs b/src/widgets/mod.rs
index 8a9b1a0..48e6854 100644
--- a/src/widgets/mod.rs
+++ b/src/widgets/mod.rs
@@ -1,2 +1,3 @@
 pub mod sheetview;
 pub mod luaeditor;
+pub mod logview;