added move left&right, delete char

3 files changed, 38 insertions, 24 deletions

diff --git a/helix-view/src/commands.rs b/helix-view/src/commands.rs
index 888317e7..6efbf98d 100644
--- a/helix-view/src/commands.rs
+++ b/helix-view/src/commands.rs
@@ -307,20 +307,8 @@ pub fn append_mode(view: &mut View, _count: usize) {
     })
 }
 
-pub fn prompt_mode(view: &mut View, _count: usize) {
-    view.state.mode = Mode::Prompt;
-}
-
-pub fn move_char_left_prompt(prompt: &mut Prompt, _char: char) {
-    if prompt.cursor_loc > 1 {
-        prompt.cursor_loc -= 1;
-    }
-}
-
-pub fn move_char_right_prompt(prompt: &mut Prompt, _char: char) {
-    if prompt.cursor_loc < prompt.buffer.len() {
-        prompt.cursor_loc += 1;
-    }
+pub fn command_mode(view: &mut View, _count: usize) {
+    view.state.mode = Mode::Command;
 }
 
 // TODO: I, A, o and O can share a lot of the primitives.
diff --git a/helix-view/src/keymap.rs b/helix-view/src/keymap.rs
index d6d44779..69e6cabb 100644
--- a/helix-view/src/keymap.rs
+++ b/helix-view/src/keymap.rs
@@ -163,7 +163,7 @@ pub fn default() -> Keymaps {
                 vec![key!('p')] => commands::paste,
                 vec![key!('>')] => commands::indent,
                 vec![key!('<')] => commands::unindent,
-                vec![key!(':')] => commands::prompt_mode,
+                vec![key!(':')] => commands::command_mode,
                 vec![Key {
                     code: KeyCode::Esc,
                     modifiers: Modifiers::NONE
@@ -209,11 +209,5 @@ pub fn default() -> Keymaps {
                 vec![key!('g')] => commands::move_file_start as Command,
                 vec![key!('e')] => commands::move_file_end as Command,
             ),
-            state::Mode::Prompt => hashmap!(
-                vec![Key {
-                    code: KeyCode::Esc,
-                    modifiers: Modifiers::NONE
-                }] => commands::normal_mode as Command,
-            )
     )
 }
diff --git a/helix-view/src/prompt.rs b/helix-view/src/prompt.rs
index f1920daa..98389a97 100644
--- a/helix-view/src/prompt.rs
+++ b/helix-view/src/prompt.rs
@@ -11,17 +11,37 @@ pub struct Prompt {
 impl Prompt {
     pub fn new() -> Prompt {
         let prompt = Prompt {
-            buffer: String::from(":"), // starting prompt symbol
+            buffer: String::from(""),
             cursor_loc: 0,
         };
         prompt
     }
 
     pub fn insert_char(&mut self, c: char) {
-        self.buffer.push(c);
+        self.buffer.insert(self.cursor_loc, c);
+        self.cursor_loc += 1;
     }
 
-    pub fn handle_keyevent(&mut self, key_event: KeyEvent, view: &mut View) {
+    pub fn move_char_left_prompt(&mut self) {
+        if self.cursor_loc > 1 {
+            self.cursor_loc -= 1;
+        }
+    }
+
+    pub fn move_char_right_prompt(&mut self) {
+        if self.cursor_loc < self.buffer.len() {
+            self.cursor_loc += 1;
+        }
+    }
+
+    pub fn delete_char_backwards(&mut self) {
+        if self.cursor_loc > 0 {
+            self.buffer.remove(self.cursor_loc - 1);
+            self.cursor_loc -= 1;
+        }
+    }
+
+    pub fn handle_input(&mut self, key_event: KeyEvent, view: &mut View) {
         match key_event {
             KeyEvent {
                 code: KeyCode::Char(c),
@@ -30,6 +50,18 @@ impl Prompt {
             KeyEvent {
                 code: KeyCode::Esc, ..
             } => commands::normal_mode(view, 1),
+            KeyEvent {
+                code: KeyCode::Right,
+                ..
+            } => self.move_char_right_prompt(),
+            KeyEvent {
+                code: KeyCode::Left,
+                ..
+            } => self.move_char_left_prompt(),
+            KeyEvent {
+                code: KeyCode::Backspace,
+                ..
+            } => self.delete_char_backwards(),
             _ => (),
         }
     }