From a1f4b8f92b50fbb446400b167b344cdf189978f9 Mon Sep 17 00:00:00 2001 From: Antoni Stevenet Date: Sat, 5 Jun 2021 02:25:46 +0200 Subject: Add home-end keymaps, (as kakoune/vim do) (#83) * add home-end keymaps * implement extend methods for extend_line_start, extend_line_end * add home-end mappings to keymaps.md * add ^-$ extend mappings for extend mode * pass cargo linter--- helix-term/src/commands.rs | 31 +++++++++++++++++++++++++++++++ helix-term/src/keymap.rs | 26 ++++++++++++++++++++++---- 2 files changed, 53 insertions(+), 4 deletions(-) (limited to 'helix-term/src') diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 796493ea..bc11d0fe 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -573,6 +573,37 @@ pub fn extend_line_down(cx: &mut Context) { doc.set_selection(view.id, selection); } +pub fn extend_line_end(cx: &mut Context) { + let (view, doc) = cx.current(); + + let selection = doc.selection(view.id).transform(|range| { + let text = doc.text(); + let line = text.char_to_line(range.head); + + // Line end is pos at the start of next line - 1 + // subtract another 1 because the line ends with \n + let pos = text.line_to_char(line + 1).saturating_sub(2); + Range::new(range.anchor, pos) + }); + + doc.set_selection(view.id, selection); +} + +pub fn extend_line_start(cx: &mut Context) { + let (view, doc) = cx.current(); + + let selection = doc.selection(view.id).transform(|range| { + let text = doc.text(); + let line = text.char_to_line(range.head); + + // adjust to start of the line + let pos = text.line_to_char(line); + Range::new(range.anchor, pos) + }); + + doc.set_selection(view.id, selection); +} + pub fn select_all(cx: &mut Context) { let (view, doc) = cx.current(); diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index b1d8428b..7376cd03 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -61,8 +61,8 @@ use std::collections::HashMap; // in kakoune these are alt-h alt-l / gh gl // select from curs to begin end / move curs to begin end // 0 = start of line -// ^ = start of line (first non blank char) -// $ = end of line +// ^ = start of line(first non blank char) || Home = start of line(first non blank char) +// $ = end of line || End = end of line // // z = save selections // Z = restore selections @@ -153,6 +153,16 @@ pub fn default() -> Keymaps { // key!('r') => commands::replace, + KeyEvent { + code: KeyCode::Home, + modifiers: KeyModifiers::NONE + } => commands::move_line_start, + + KeyEvent { + code: KeyCode::End, + modifiers: KeyModifiers::NONE + } => commands::move_line_end, + key!('w') => commands::move_next_word_start, key!('b') => commands::move_prev_word_start, key!('e') => commands::move_next_word_end, @@ -306,13 +316,21 @@ pub fn default() -> Keymaps { key!('t') => commands::extend_till_char, key!('f') => commands::extend_next_char, + key!('T') => commands::extend_till_prev_char, key!('F') => commands::extend_prev_char, - + KeyEvent { + code: KeyCode::Home, + modifiers: KeyModifiers::NONE + } => commands::extend_line_start, + KeyEvent { + code: KeyCode::End, + modifiers: KeyModifiers::NONE + } => commands::extend_line_end, KeyEvent { code: KeyCode::Esc, modifiers: KeyModifiers::NONE - } => commands::exit_select_mode as Command, + } => commands::exit_select_mode, ) .into_iter(), ); -- cgit v1.2.3-70-g09d2