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authorAntoni Stevenet2021-06-05 00:25:46 +0000
committerGitHub2021-06-05 00:25:46 +0000
commita1f4b8f92b50fbb446400b167b344cdf189978f9 (patch)
treea5e83e878c97e51fe81ae747c86bccf0cce22be3
parent72eaaaac995cf55d37994c24cc0215c8370c6443 (diff)
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
-rw-r--r--book/src/keymap.md2
-rw-r--r--helix-term/src/commands.rs31
-rw-r--r--helix-term/src/keymap.rs26
3 files changed, 55 insertions, 4 deletions
diff --git a/book/src/keymap.md b/book/src/keymap.md
index 234766ca..003d0845 100644
--- a/book/src/keymap.md
+++ b/book/src/keymap.md
@@ -17,6 +17,8 @@
| f | find next char |
| T | find 'till previous char |
| F | find previous char |
+| Home | move to the start of the line |
+| End | move to the end of the line |
| m | Jump to matching bracket |
| PageUp | Move page up |
| PageDown | Move page down |
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(),
);