arrow keys on end of file list switches focus (closes #105)

Author: Stephan Dilly

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - changed hotkeys for selecting stage/workdir (**[w] / [s]** now to change between workdir and stage) and added hotkeys (`[1234]`) to switch to tabs directly ([#92](https://github.com/extrawurst/gitui/issues/92))
+- `arrow-up`/`down` on bottom/top of status file list switches focus ([#105](https://github.com/extrawurst/gitui/issues/105))
 
 ## [0.5.0] - 2020-06-01
 

src/tabs/status.rs

@@ -365,6 +365,15 @@ impl Component for Status {
                             DiffTarget::WorkingDir => Focus::WorkDir,
                         })
                     }
+                    keys::MOVE_DOWN
+                        if self.focus == Focus::WorkDir =>
+                    {
+                        self.switch_focus(Focus::Stage)
+                    }
+
+                    keys::MOVE_UP if self.focus == Focus::Stage => {
+                        self.switch_focus(Focus::WorkDir)
+                    }
                     _ => Ok(false),
                 };
             }