feat: add 'j' and 'k' as keybindings for navigation (#9)

Author: rtuszik

README.md

@@ -138,22 +138,22 @@ make run
 
 ## ⌨️ Key Bindings
 
-| Key | Action |
-|---|---|
-| / | Toggle search bar |
-| ↑/↓ | Navigate servers |
-| Enter | SSH into selected server |
-| c | Copy SSH command to clipboard |
-| g | Ping selected server |
-| r | Refresh background data |
-| a | Add server |
-| e | Edit server |
-| t | Edit tags |
-| d | Delete server |
-| p | Pin/Unpin server |
-| s | Toggle sort field |
-| S | Reverse sort order |
-| q | Quit |
+| Key   | Action                        |
+| ----- | ----------------------------- |
+| /     | Toggle search bar             |
+| ↑↓/jk | Navigate servers              |
+| Enter | SSH into selected server      |
+| c     | Copy SSH command to clipboard |
+| g     | Ping selected server          |
+| r     | Refresh background data       |
+| a     | Add server                    |
+| e     | Edit server                   |
+| t     | Edit tags                     |
+| d     | Delete server                 |
+| p     | Pin/Unpin server              |
+| s     | Toggle sort field             |
+| S     | Reverse sort order            |
+| q     | Quit                          |
 
 Tip: The hint bar at the top of the list shows the most useful shortcuts.
 

internal/adapters/ui/handlers.go

@@ -72,6 +72,12 @@ func (t *tui) handleGlobalKeys(event *tcell.EventKey) *tcell.EventKey {
 	case 't':
 		t.handleTagsEdit()
 		return nil
+	case 'j':
+		t.handleNavigateDown()
+		return nil
+	case 'k':
+		t.handleNavigateUp()
+		return nil
 	}
 
 	if event.Key() == tcell.KeyEnter {
@@ -125,6 +131,29 @@ func (t *tui) handleTagsEdit() {
 	}
 }
 
+func (t *tui) handleNavigateDown() {
+	if t.app.GetFocus() == t.serverList {
+		currentIdx := t.serverList.GetCurrentItem()
+		itemCount := t.serverList.GetItemCount()
+		if currentIdx < itemCount-1 {
+			t.serverList.SetCurrentItem(currentIdx + 1)
+		} else {
+			t.serverList.SetCurrentItem(0)
+		}
+	}
+}
+
+func (t *tui) handleNavigateUp() {
+	if t.app.GetFocus() == t.serverList {
+		currentIdx := t.serverList.GetCurrentItem()
+		if currentIdx > 0 {
+			t.serverList.SetCurrentItem(currentIdx - 1)
+		} else {
+			t.serverList.SetCurrentItem(t.serverList.GetItemCount() - 1)
+		}
+	}
+}
+
 func (t *tui) handleSearchInput(query string) {
 	filtered, _ := t.serverService.ListServers(query)
 	sortServersForUI(filtered, t.sortMode)