feat: UI improvements, mouse support, and keybind fixes

src/app.rs

@@ -88,6 +88,11 @@ pub struct App {
     pub terminal_scroll: usize,
     pub terminal_restarting: bool,
     pub terminal_area: Cell<ratatui::layout::Rect>,
+    pub sidebar_area: Cell<ratatui::layout::Rect>,
+    pub top_bar_area: Cell<ratatui::layout::Rect>,
+    pub top_bar_positions: Cell<Vec<(u16, u16)>>,
+    pub dropdown_area: Cell<Option<ratatui::layout::Rect>>,
+    pub last_click: Option<(std::time::Instant, u16, u16)>,
     pub terminal_sel: Option<((usize, usize), (usize, usize))>,
     pub show_quit_confirm: bool,
     pub show_unsaved_confirm: bool,
@@ -146,6 +151,11 @@ impl App {
             terminal_scroll: 0,
             terminal_restarting: false,
             terminal_area: Cell::new(ratatui::layout::Rect::default()),
+            sidebar_area: Cell::new(ratatui::layout::Rect::default()),
+            top_bar_area: Cell::new(ratatui::layout::Rect::default()),
+            top_bar_positions: Cell::new(Vec::new()),
+            dropdown_area: Cell::new(None),
+            last_click: None,
             terminal_sel: None,
             show_quit_confirm: false,
             show_unsaved_confirm: false,

src/config.rs

@@ -7,19 +7,29 @@ pub const HELP_TEXT: &str = r#"
 [Ctrl+U / PgUp] Page Up
 [Home / End] Jump to Top/Bottom
 [Enter] Open File / Toggle Folder
+[Double-Click] Open File / Toggle Folder
 
 --- EDITOR ---
 [Home / End] Start/End of Line
 [Ctrl+Home / Ctrl+End] Top/Bottom of File
 [PgUp / PgDn] Scroll Page
 [Delete] Forward Delete / Delete Selection
 [Shift+Arrows] Extend Selection
+[Shift+Home / Shift+End] Select to Line Start/End
+[Shift+PgUp / Shift+PgDn] Select by Page
+[Ctrl+Shift+Home / End] Select to File Start/End
+[Ctrl+Shift+Left / Right] Select Word by Word
+[Ctrl+Shift+PgUp / PgDn] Select Page
 [Ctrl+X] Cut Line / Selection
 [Ctrl+C / Ctrl+V] Copy / Paste
 [Ctrl+A] Select All
 [Ctrl+Z] Undo
+[Alt+Up / Alt+Down] Expand / Shrink Selection
+[Alt+Left / Alt+Right] Swap Nodes
+[Alt+Shift+Up / Down] Move Block
 
 --- FILE MANAGEMENT ---
+[Ctrl+N] New File
 [Ctrl+P] Find File (fzf)
 [Ctrl+G] Project Search (rg)
 [Ctrl+W] Close Current File
@@ -29,12 +39,26 @@ pub const HELP_TEXT: &str = r#"
 
 --- FOCUS CONTROL ---
 [Ctrl+F] Focus Sidebar
-[Ctrl+E] Focus Editor
-[Ctrl+T] Focus Terminal
+[Ctrl+E] Focus / Maximize Editor
+[Ctrl+T] Focus / Maximize Terminal
 [Ctrl+B] Toggle Sidebar Visibility
 [Ctrl+J] Toggle Terminal Visibility
+[Ctrl+Left / Right] Switch Panels
+[Ctrl+Up / Down] Switch Panels
 [Esc] Restore Standard Layout / Close Overlays
 
+--- MOUSE ---
+[Click] Focus Panel / Select Entry
+[Double-Click] Open File / Toggle Folder (Sidebar)
+[Shift+Click] Extend Selection (Editor)
+[Drag] Select Text (Editor / Terminal)
+[Scroll] Scroll Terminal
+
+--- MENUS ---
+[Alt+N/E/F/P/S/C/H] Open Menu
+[Click Menu Label] Open / Close Menu
+[Click Menu Item] Execute Action
+
 --- HELP ---
 [Ctrl+H / Esc] Toggle Help Overlay
 
@@ -45,6 +69,7 @@ pub const HELP_TEXT: &str = r#"
 [Alt+G, then n] Rename Symbol under Cursor
 [Alt+F] Format Document
 [Alt+Enter] Code Actions / Quick Fix
+[Alt+K] Trigger Hover Info
 "#;
 
 pub mod colors {