diff options
| -rw-r--r-- | helix-term/src/commands.rs | 47 | ||||
| -rw-r--r-- | helix-term/src/keymap.rs | 1 |
2 files changed, 48 insertions, 0 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 4c04b0a2..c1471cef 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -1953,3 +1953,50 @@ pub fn space_mode(cx: &mut Context) { } }) } + +pub fn view_mode(cx: &mut Context) { + cx.on_next_key(move |cx, event| { + if let KeyEvent { + code: KeyCode::Char(ch), + .. + } = event + { + // if lock, call cx again + // TODO: temporarily show VIE in the mode list + match ch { + // center + 'z' | 'c' + // top + | 't' + // bottom + | 'b' => { + let (view, doc) = cx.current(); + let pos = doc.selection(view.id).cursor(); + // TODO: extract this centering into a function to share with _goto? + let line = doc.text().char_to_line(pos); + + let relative = match ch { + 'z' | 'c' => view.area.height as usize / 2, + 't' => 0, + 'b' => view.area.height as usize, + _ => unreachable!() + }; + view.first_line = line.saturating_sub(relative); + } + 'm' => { + let (view, doc) = cx.current(); + let pos = doc.selection(view.id).cursor(); + let pos = coords_at_pos(doc.text().slice(..), pos); + + const OFFSET: usize = 7; // gutters + view.first_col = pos.col.saturating_sub((view.area.width as usize - OFFSET) / 2); + }, + 'h' => (), + 'j' => scroll(cx, 1, Direction::Forward), + 'k' => scroll(cx, 1, Direction::Backward), + 'l' => (), + _ => (), + } + } + }) +} diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index 26b2b5fe..a1d483c7 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -263,6 +263,7 @@ pub fn default() -> Keymaps { // ctrl!('s') => commands::save_selection, key!(' ') => commands::space_mode, + key!('z') => commands::view_mode, ); // TODO: decide whether we want normal mode to also be select mode (kakoune-like), or whether // we keep this separate select mode. More keys can fit into normal mode then, but it's weird |