Back-tab

Author: dantleech

src/app.rs

@@ -321,6 +321,11 @@ impl App {
                     self.session_view.next_pane();
                 }
             }
+            AppEvent::PreviousPane => {
+                for _ in 0..self.take_motion() {
+                    self.session_view.prev_pane();
+                }
+            }
             AppEvent::Panic(message) => {
                 terminal.clear().unwrap();
                 terminal

src/event/input.rs

@@ -38,6 +38,7 @@ pub enum AppEvent {
     UpdateSourceContext(String, String, u32),
     UpdateStatus(ContinuationStatus),
     NextPane,
+    PreviousPane,
     Scroll(Scroll),
     ScrollSource(Scroll),
     ScrollContext(Scroll),

src/view/session.rs

@@ -8,6 +8,7 @@ use crate::app::App;
 use crate::app::CurrentView;
 use crate::event::input::AppEvent;
 use crossterm::event::KeyCode;
+use crossterm::event::KeyModifiers;
 use ratatui::layout::Constraint;
 use ratatui::layout::Layout;
 use ratatui::layout::Rect;
@@ -24,10 +25,11 @@ impl View for SessionView {
             AppEvent::Input(key_event) => key_event,
             _ => return delegate_event_to_pane(app, event),
         };
-
+        
         // handle global session events
         match input_event.code {
             KeyCode::Tab => return Some(AppEvent::NextPane),
+            KeyCode::BackTab => return Some(AppEvent::PreviousPane),
             KeyCode::Enter => return Some(AppEvent::ToggleFullscreen),
             KeyCode::Char(char) => match char {
                 'j' => return Some(AppEvent::Scroll((1, 0))),
@@ -209,6 +211,15 @@ impl SessionViewState {
         self.current_pane = next % self.panes.len();
     }
 
+    pub(crate) fn prev_pane(&mut self) {
+        if self.current_pane == 0 {
+            self.current_pane = self.panes.len() - 1;
+        } else {
+            let next = self.current_pane - 1;
+            self.current_pane = next % self.panes.len();
+        }
+    }
+
     fn current_pane(&self) -> &Pane {
         self.panes.get(self.current_pane).unwrap()
     }