From 03753145780feb4227b92d957e96e558c99b7e97 Mon Sep 17 00:00:00 2001
From: Jean Cavallo <jean.cavallo@hotmail.fr>
Date: Fri, 11 Jan 2019 16:39:51 +0100
Subject: [PATCH] Add move-* commands support

This implements the move_left/right/up/down commands.
The mappings are as suggested in issue #70:
  - `ml` / `move-left`
  - `mr` / `move-right`
  - `mu` / `move-up`
  - `md` / `move-down`
---
 src/core/cmd.rs          | 12 ++++++++++++
 src/core/tui.rs          |  4 ++++
 src/widgets/editor.rs    | 24 ++++++++++++++++++++++++
 src/widgets/view/view.rs | 16 ++++++++++++++++
 4 files changed, 56 insertions(+)

diff --git a/src/core/cmd.rs b/src/core/cmd.rs
index 37d9471..222b3e1 100644
--- a/src/core/cmd.rs
+++ b/src/core/cmd.rs
@@ -24,6 +24,14 @@ pub enum Command {
     NextBuffer,
     /// Cycle to the previous buffer.
     PrevBuffer,
+    /// Move cursor left.
+    MoveLeft,
+    /// Move cursor right.
+    MoveRight,
+    /// Move cursor up.
+    MoveUp,
+    /// Move cursor down.
+    MoveDown,
     /// Page down
     PageDown,
     /// Page up
@@ -57,6 +65,10 @@ impl FromStr for Command {
             "bp" | "prev-buffer" =>Ok(Command::PrevBuffer),
             "pd" | "page-down" => Ok(Command::PageDown),
             "pu" | "page-up" => Ok(Command::PageUp),
+            "ml" | "move-left" => Ok(Command::MoveLeft),
+            "mr" | "move-right" => Ok(Command::MoveRight),
+            "mu" | "move-up" => Ok(Command::MoveUp),
+            "md" | "move-down" => Ok(Command::MoveDown),
             command => {
                 let mut parts: Vec<&str> = command.split(' ').collect();
 
diff --git a/src/core/tui.rs b/src/core/tui.rs
index 224032a..971919a 100644
--- a/src/core/tui.rs
+++ b/src/core/tui.rs
@@ -65,6 +65,10 @@ impl Tui {
             Command::SetTheme(theme) => self.editor.set_theme(&theme),
             Command::NextBuffer => self.editor.next_buffer(),
             Command::PrevBuffer => self.editor.prev_buffer(),
+            Command::MoveLeft => self.editor.move_left(),
+            Command::MoveRight => self.editor.move_right(),
+            Command::MoveUp => self.editor.move_up(),
+            Command::MoveDown => self.editor.move_down(),
             Command::PageDown => self.editor.page_down(),
             Command::PageUp => self.editor.page_up(),
         }
diff --git a/src/widgets/editor.rs b/src/widgets/editor.rs
index ab0568f..1c273be 100644
--- a/src/widgets/editor.rs
+++ b/src/widgets/editor.rs
@@ -170,6 +170,30 @@ impl Editor {
         }
     }
 
+    pub fn move_left(&mut self) {
+        if let Some(view) = self.views.get_mut(&self.current_view) {
+            view.move_left();
+        }
+    }
+
+    pub fn move_right(&mut self) {
+        if let Some(view) = self.views.get_mut(&self.current_view) {
+            view.move_right();
+        }
+    }
+
+    pub fn move_up(&mut self) {
+        if let Some(view) = self.views.get_mut(&self.current_view) {
+            view.move_up();
+        }
+    }
+
+    pub fn move_down(&mut self) {
+        if let Some(view) = self.views.get_mut(&self.current_view) {
+            view.move_down();
+        }
+    }
+
     pub fn page_down(&mut self) {
         if let Some(view) = self.views.get_mut(&self.current_view) {
             view.page_down();
diff --git a/src/widgets/view/view.rs b/src/widgets/view/view.rs
index 8f404d9..6460ead 100644
--- a/src/widgets/view/view.rs
+++ b/src/widgets/view/view.rs
@@ -106,6 +106,22 @@ impl View {
         self.client.page_up()
     }
 
+    pub fn move_left(&mut self) {
+        self.client.left()
+    }
+
+    pub fn move_right(&mut self) {
+        self.client.right()
+    }
+
+    pub fn move_up(&mut self) {
+        self.client.up()
+    }
+
+    pub fn move_down(&mut self) {
+        self.client.down()
+    }
+
     fn update_window(&mut self) {
         if self.cursor.line < self.cache.before() {
             error!(