diff options
| -rw-r--r-- | helix-core/src/selection.rs | 9 | ||||
| -rw-r--r-- | helix-term/src/commands.rs | 128 |
2 files changed, 73 insertions, 64 deletions
diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs index f3119a59..e9dea518 100644 --- a/helix-core/src/selection.rs +++ b/helix-core/src/selection.rs @@ -308,7 +308,7 @@ impl Selection { } /// Normalizes a `Selection`. - pub fn normalize(mut self) -> Self { + fn normalize(mut self) -> Self { let primary = self.ranges[self.primary_index]; self.ranges.sort_unstable_by_key(Range::from); self.primary_index = self @@ -363,7 +363,12 @@ impl Selection { *range = f(*range) } - self + self.normalize() + } + + /// A convenience short-cut for `transform(|r| r.min_width_1(text))`. + pub fn min_width_1(mut self, text: RopeSlice) -> Self { + self.transform(|r| r.min_width_1(text)) } pub fn fragments<'a>(&'a self, text: RopeSlice<'a>) -> impl Iterator<Item = Cow<str>> + 'a { diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index d67c91f0..66b05ad2 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -718,24 +718,30 @@ fn replace(cx: &mut Context) { _ => None, }; - if let Some(ch) = ch { - let transaction = - Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| { - let max_to = rope_end_without_line_ending(&doc.text().slice(..)); - let to = std::cmp::min(max_to, range.to() + 1); - let text: String = RopeGraphemes::new(doc.text().slice(range.from()..to)) - .map(|g| { - let cow: Cow<str> = g.into(); - if str_is_line_ending(&cow) { - cow - } else { - ch.into() - } - }) - .collect(); + let text = doc.text().slice(..); + let selection = doc.selection(view.id).clone().min_width_1(text); - (range.from(), to, Some(text.into())) - }); + if let Some(ch) = ch { + let transaction = Transaction::change_by_selection(doc.text(), &selection, |range| { + if !range.is_empty() { + let text: String = + RopeGraphemes::new(doc.text().slice(range.from()..range.to())) + .map(|g| { + let cow: Cow<str> = g.into(); + if str_is_line_ending(&cow) { + cow + } else { + ch.into() + } + }) + .collect(); + + (range.from(), range.to(), Some(text.into())) + } else { + // No change. + (range.from(), range.to(), None) + } + }); doc.apply(&transaction, view.id); doc.append_changes_to_history(view.id); @@ -1050,24 +1056,18 @@ fn extend_line(cx: &mut Context) { } fn delete_selection_impl(reg: &mut Register, doc: &mut Document, view_id: ViewId) { - // first yank the selection - let values: Vec<String> = doc - .selection(view_id) - .fragments(doc.text().slice(..)) - .map(Cow::into_owned) - .collect(); + let text = doc.text().slice(..); + let selection = doc.selection(view_id).clone().min_width_1(text); + // first yank the selection + let values: Vec<String> = selection.fragments(text).map(Cow::into_owned).collect(); reg.write(values); // then delete - let transaction = - Transaction::change_by_selection(doc.text(), doc.selection(view_id), |range| { - let alltext = doc.text().slice(..); - let line = alltext.char_to_line(range.head); - let max_to = rope_end_without_line_ending(&alltext); - let to = std::cmp::min(max_to, range.to() + 1); - (range.from(), to, None) - }); + let transaction = Transaction::change_by_selection(doc.text(), &selection, |range| { + let line = text.char_to_line(range.head); + (range.from(), range.to(), None) + }); doc.apply(&transaction, view_id); } @@ -1513,11 +1513,13 @@ mod cmd { match cx.editor.clipboard_provider.get_contents() { Ok(contents) => { + let selection = doc + .selection(view.id) + .clone() + .min_width_1(doc.text().slice(..)); let transaction = - Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| { - let max_to = rope_end_without_line_ending(&doc.text().slice(..)); - let to = std::cmp::min(max_to, range.to() + 1); - (range.from(), to, Some(contents.as_str().into())) + Transaction::change_by_selection(doc.text(), &selection, |range| { + (range.from(), range.to(), Some(contents.as_str().into())) }); doc.apply(&transaction, view.id); @@ -2864,17 +2866,18 @@ fn paste_impl( let mut values = values.iter().cloned().map(Tendril::from).chain(repeat); let text = doc.text(); + let selection = doc.selection(view.id).clone().min_width_1(text.slice(..)); - let transaction = Transaction::change_by_selection(text, doc.selection(view.id), |range| { + let transaction = Transaction::change_by_selection(text, &selection, |range| { let pos = match (action, linewise) { // paste linewise before (Paste::Before, true) => text.line_to_char(text.char_to_line(range.from())), // paste linewise after - (Paste::After, true) => text.line_to_char(text.char_to_line(range.to()) + 1), + (Paste::After, true) => text.line_to_char(text.char_to_line(range.to())), // paste insert (Paste::Before, false) => range.from(), // paste append - (Paste::After, false) => range.to() + 1, + (Paste::After, false) => range.to(), }; (pos, pos, Some(values.next().unwrap())) }); @@ -2914,12 +2917,17 @@ fn replace_with_yanked(cx: &mut Context) { if let Some(values) = registers.read(reg_name) { if let Some(yank) = values.first() { - let transaction = - Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| { - let max_to = rope_end_without_line_ending(&doc.text().slice(..)); - let to = std::cmp::min(max_to, range.to() + 1); - (range.from(), to, Some(yank.as_str().into())) - }); + let selection = doc + .selection(view.id) + .clone() + .min_width_1(doc.text().slice(..)); + let transaction = Transaction::change_by_selection(doc.text(), &selection, |range| { + if !range.is_empty() { + (range.from(), range.to(), Some(yank.as_str().into())) + } else { + (range.from(), range.to(), None) + } + }); doc.apply(&transaction, view.id); doc.append_changes_to_history(view.id); @@ -2932,12 +2940,13 @@ fn replace_selections_with_clipboard_impl(editor: &mut Editor) { match editor.clipboard_provider.get_contents() { Ok(contents) => { - let transaction = - Transaction::change_by_selection(doc.text(), doc.selection(view.id), |range| { - let max_to = rope_end_without_line_ending(&doc.text().slice(..)); - let to = std::cmp::min(max_to, range.to() + 1); - (range.from(), to, Some(contents.as_str().into())) - }); + let selection = doc + .selection(view.id) + .clone() + .min_width_1(doc.text().slice(..)); + let transaction = Transaction::change_by_selection(doc.text(), &selection, |range| { + (range.from(), range.to(), Some(contents.as_str().into())) + }); doc.apply(&transaction, view.id); doc.append_changes_to_history(view.id); @@ -3575,18 +3584,13 @@ fn surround_add(cx: &mut Context) { { let (view, doc) = current!(cx.editor); let text = doc.text().slice(..); - let selection = doc.selection(view.id); + let selection = doc.selection(view.id).clone().min_width_1(text); let (open, close) = surround::get_pair(ch); let mut changes = Vec::new(); for (i, range) in selection.iter().enumerate() { - let from = range.from(); - let line = text.char_to_line(range.to()); - let max_to = rope_end_without_line_ending(&text); - let to = std::cmp::min(range.to() + 1, max_to); - - changes.push((from, from, Some(Tendril::from_char(open)))); - changes.push((to, to, Some(Tendril::from_char(close)))); + changes.push((range.from(), range.from(), Some(Tendril::from_char(open)))); + changes.push((range.to(), range.to(), Some(Tendril::from_char(close)))); } let transaction = Transaction::change(doc.text(), changes.into_iter()); @@ -3612,9 +3616,9 @@ fn surround_replace(cx: &mut Context) { { let (view, doc) = current!(cx.editor); let text = doc.text().slice(..); - let selection = doc.selection(view.id); + let selection = doc.selection(view.id).clone().min_width_1(text); - let change_pos = match surround::get_surround_pos(text, selection, from, count) + let change_pos = match surround::get_surround_pos(text, &selection, from, count) { Some(c) => c, None => return, @@ -3646,9 +3650,9 @@ fn surround_delete(cx: &mut Context) { { let (view, doc) = current!(cx.editor); let text = doc.text().slice(..); - let selection = doc.selection(view.id); + let selection = doc.selection(view.id).clone().min_width_1(text); - let change_pos = match surround::get_surround_pos(text, selection, ch, count) { + let change_pos = match surround::get_surround_pos(text, &selection, ch, count) { Some(c) => c, None => return, }; 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