1 files changed, 131 insertions, 0 deletions
diff --git a/helix-view/src/keymap.rs b/helix-view/src/keymap.rs
new file mode 100644
index 00000000..705357a8
--- /dev/null
+++ b/helix-view/src/keymap.rs
@@ -0,0 +1,131 @@
+use crate::commands::{self, Command};
+use helix_core::{hashmap, state};
+use std::collections::HashMap;
+
+// Kakoune-inspired:
+// mode = {
+//      normal = {
+//          q = record_macro
+//          w = (next) word
+//          e = end of word
+//          r =
+//          t = 'till char
+//          y = yank
+//          u = undo
+//          U = redo
+//          i = insert
+//          I = INSERT (start of line)
+//          o = open below (insert on new line below)
+//          O = open above (insert on new line above)
+//          p = paste (before cursor)
+//          P = PASTE (after cursor)
+//          ` =
+//          [ = select to text object start (alt = select whole object)
+//          ] = select to text object end
+//          { = extend to inner object start
+//          } = extend to inner object end
+//          a = append
+//          A = APPEND (end of line)
+//          s = split
+//          S = select
+//          d = delete()
+//          f = find_char()
+//          g = goto (gg, G, gc, gd, etc)
+//
+//          h = move_char_left(n)
+//          j = move_line_down(n)
+//          k = move_line_up(n)
+//          l = move_char_right(n)
+//          : = command line
+//          ; = collapse selection to cursor
+//          " = use register
+//          ` = convert case? (to lower) (alt = swap case)
+//          ~ = convert to upper case
+//          . = repeat last command
+//          \ = disable hook?
+//          / = search
+//          > = indent
+//          < = deindent
+//          % = select whole buffer (in vim = jump to matching bracket)
+//          * = search pattern in selection
+//          ( = rotate main selection backward
+//          ) = rotate main selection forward
+//          - = trim selections? (alt = merge contiguous sel together)
+//          @ = convert tabs to spaces
+//          & = align cursor
+//          ? = extend to next given regex match (alt = to prev)
+//
+//          z = save selections
+//          Z = restore selections
+//          x = select line
+//          X = extend line
+//          c = change selected text
+//          C = copy selection?
+//          v = view menu (viewport manipulation)
+//          b = select to previous word start
+//          B = select to previous WORD start
+//
+//
+//
+//
+//
+//
+//          = = align?
+//          + =
+//      }
+// }
+
+#[cfg(feature = "term")]
+pub use crossterm::event::{KeyCode, KeyEvent as Key, KeyModifiers as Modifiers};
+
+// TODO: could be trie based
+type Keymap = HashMap<Vec<Key>, Command>;
+type Keymaps = HashMap<state::Mode, Keymap>;
+
+pub fn default() -> Keymaps {
+    hashmap!(
+        state::Mode::Normal =>
+            hashmap!(
+                vec![Key {
+                    code: KeyCode::Char('h'),
+                    modifiers: Modifiers::NONE
+                }] => commands::move_char_left as Command,
+                vec![Key {
+                    code: KeyCode::Char('j'),
+                    modifiers: Modifiers::NONE
+                }] => commands::move_line_down as Command,
+                vec![Key {
+                    code: KeyCode::Char('k'),
+                    modifiers: Modifiers::NONE
+                }] => commands::move_line_up as Command,
+                vec![Key {
+                    code: KeyCode::Char('l'),
+                    modifiers: Modifiers::NONE
+                }] => commands::move_char_right as Command,
+                vec![Key {
+                    code: KeyCode::Char('i'),
+                    modifiers: Modifiers::NONE
+                }] => commands::insert_mode as Command,
+                vec![Key {
+                    code: KeyCode::Char('I'),
+                    modifiers: Modifiers::SHIFT,
+                }] => commands::prepend_to_line as Command,
+                vec![Key {
+                    code: KeyCode::Char('a'),
+                    modifiers: Modifiers::NONE
+                }] => commands::append_mode as Command,
+                vec![Key {
+                    code: KeyCode::Char('A'),
+                    modifiers: Modifiers::SHIFT,
+                }] => commands::append_to_line as Command,
+                vec![Key {
+                    code: KeyCode::Char('o'),
+                    modifiers: Modifiers::NONE
+                }] => commands::open_below as Command,
+                vec![Key {
+                    code: KeyCode::Esc,
+                    modifiers: Modifiers::NONE
+                }] => commands::normal_mode as Command,
+            )
+    )
+}