aboutsummaryrefslogtreecommitdiff
path: root/helix-term/src
diff options
context:
space:
mode:
authorCor Peters2021-07-16 16:12:59 +0000
committerGitHub2021-07-16 16:12:59 +0000
commit722cfedb382abf2a4e48ac45bdfd9b3c5de50a58 (patch)
tree83b019ca678dc1dac8bcf46a92a071ad5587525e /helix-term/src
parente2bcef718abfe9df8b3169e6017053506de5e1d1 (diff)
Added change_case command (#441)
* Added change_case command * Added switch_to_uppercase and switch_to_lowercase Renamed change_case to switch_case. * Updated the Keymap section of the Book * Use flat_map instead of map + flatten * Fix switch_to_uppercase using to_lowercase * Switched 'Alt-`' to uppercase and '`' to lowercase Co-authored-by: Cor <prive@corpeters.nl>
Diffstat (limited to 'helix-term/src')
-rw-r--r--helix-term/src/commands.rs54
-rw-r--r--helix-term/src/keymap.rs4
2 files changed, 58 insertions, 0 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 3b208ca8..7e769f4e 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -186,6 +186,9 @@ impl Command {
extend_till_prev_char,
extend_prev_char,
replace,
+ switch_case,
+ switch_to_uppercase,
+ switch_to_lowercase,
page_up,
page_down,
half_page_up,
@@ -780,6 +783,57 @@ fn replace(cx: &mut Context) {
})
}
+fn switch_case(cx: &mut Context) {
+ let (view, doc) = current!(cx.editor);
+ let transaction =
+ Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| {
+ let text: Tendril = range
+ .fragment(doc.text().slice(..))
+ .chars()
+ .flat_map(|ch| {
+ if ch.is_lowercase() {
+ ch.to_uppercase().collect()
+ } else if ch.is_uppercase() {
+ ch.to_lowercase().collect()
+ } else {
+ vec![ch]
+ }
+ })
+ .collect();
+
+ (range.from(), range.to() + 1, Some(text))
+ });
+
+ doc.apply(&transaction, view.id);
+ doc.append_changes_to_history(view.id);
+}
+
+fn switch_to_uppercase(cx: &mut Context) {
+ let (view, doc) = current!(cx.editor);
+ let transaction =
+ Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| {
+ let text: Tendril = range.fragment(doc.text().slice(..)).to_uppercase().into();
+
+ (range.from(), range.to() + 1, Some(text))
+ });
+
+ doc.apply(&transaction, view.id);
+ doc.append_changes_to_history(view.id);
+}
+
+fn switch_to_lowercase(cx: &mut Context) {
+ let (view, doc) = current!(cx.editor);
+ let transaction =
+ Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| {
+ let text: Tendril = range.fragment(doc.text().slice(..)).to_lowercase().into();
+
+ (range.from(), range.to() + 1, Some(text))
+ });
+
+ doc.apply(&transaction, view.id);
+ doc.append_changes_to_history(view.id);
+}
+
fn scroll(cx: &mut Context, offset: usize, direction: Direction) {
use Direction::*;
let (view, doc) = current!(cx.editor);
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index fe32e49f..32994c37 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -82,6 +82,10 @@ impl Default for Keymaps {
key!('r') => Command::replace,
key!('R') => Command::replace_with_yanked,
+ key!('~') => Command::switch_case,
+ alt!('`') => Command::switch_to_uppercase,
+ key!('`') => Command::switch_to_lowercase,
+
key!(Home) => Command::goto_line_start,
key!(End) => Command::goto_line_end,