add some extra key binds

README.md

@@ -50,7 +50,7 @@ If it works on a system not mentioned here, please open an issue. Also feel free
 
 ## INSTALLATION:
 
-Compiling hunter currently requires a nighty Rust compiler!
+Compiling hunter currently requires a nightly Rust compiler!
 The easiest way to get a nightly compiler is with [rustup](https://rustup.rs/). If you have rustup installed it will automatically download and use a version that is known to work when you run cargo.
 
 ### Install rustup
@@ -127,6 +127,7 @@ By default hunter uses vi-style keybindings. If you use a QWERTY-like keyboard l
 | ------------------- | :--------------------------------- |
 | j/k (holy: n/p)     | move down/up                       |
 | J/K (holy: N/P)     | 5x move down/5x move up            |
+| ]/[                 | move down/up on left column        |
 | <                   | move to top                        |
 | >                   | move to bottom                     |
 | l/h (holy: f/b)     | open/go back                       |

src/coordinates.rs

@@ -68,6 +68,10 @@ impl Coordinates {
         self.size.xsize()
     }
 
+    pub fn ysize_u(&self) -> usize {
+        (self.ysize() - 1) as usize
+    }
+
     pub fn ysize(&self) -> u16 {
         self.size.ysize()
     }

src/file_browser.rs

@@ -420,6 +420,36 @@ impl FileBrowser {
         Ok(())
     }
 
+    pub fn move_down_left_widget(&mut self) -> HResult<()> {
+        let left_files_pos = self.left_widget()?.get_selection();
+
+        let next_dir = self.get_left_files()?.get_files()
+            .iter()
+            .skip(left_files_pos + 1)
+            .find(|file| file.is_dir())
+            .cloned().cloned();
+
+        self.main_widget_goto(&next_dir?).log();
+
+        Ok(())
+    }
+
+    pub fn move_up_left_widget(&mut self) -> HResult<()> {
+        let left_files_pos = self.left_widget()?.get_selection();
+        let skip_files = self.get_left_files()?.len() - left_files_pos;
+
+        let next_dir = self.get_left_files()?.get_files()
+            .iter()
+            .rev()
+            .skip(skip_files)
+            .find(|file| file.is_dir())
+            .cloned().cloned();
+
+        self.main_widget_goto(&next_dir?).log();
+
+        Ok(())
+    }
+
     pub fn open_bg(&mut self) -> HResult<()> {
         let cwd = self.cwd()?;
         let file = self.selected_file()?;
@@ -489,6 +519,13 @@ impl FileBrowser {
     }
 
     pub fn left_widget_goto(&mut self, dir: &File) -> HResult<()> {
+        // Check if we're in the correct directory already and return
+        // if we are
+        let left_dir = &self.left_widget()?.content.directory;
+        if self.left_widget().is_ok() && left_dir == dir {
+            return Ok(());
+        }
+
         let cache = self.fs_cache.clone();
         let dir = dir.clone();
 
@@ -1210,6 +1247,8 @@ impl Widget for FileBrowser {
 
     fn on_key(&mut self, key: Key) -> HResult<()> {
         match key {
+            Key::Char(']') => self.move_down_left_widget()?,
+            Key::Char('[') => self.move_up_left_widget()?,
             Key::Alt(' ') => self.external_select()?,
             Key::Alt('/') => self.external_cd()?,
             Key::Char('/') => { self.turbo_cd()?; },

src/listview.rs

@@ -71,6 +71,8 @@ impl Listable for ListView<Files> {
                 self.move_down();
                 self.refresh()?;
             },
+            Key::PageUp => self.page_up(),
+            Key::PageDown => self.page_down(),
             Key::Char('<') => self.move_top(),
             Key::Char('>') => self.move_bottom(),
             Key::Char('S') => { self.search_file().log(); }
@@ -164,6 +166,22 @@ where
         self.set_selection(lines - 1);
     }
 
+    pub fn page_up(&mut self) {
+        let ysize = self.get_coordinates().unwrap().ysize_u();
+
+        for _ in 0..ysize {
+            self.move_up();
+        }
+    }
+
+    pub fn page_down(&mut self) {
+        let ysize = self.get_coordinates().unwrap().ysize_u();
+
+        for _ in 0..ysize {
+            self.move_down();
+        }
+    }
+
     pub fn get_selection(&self) -> usize {
         self.selection
     }