diff options
author | Nathan Vegdahl | 2021-07-26 15:40:30 +0000 |
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committer | Nathan Vegdahl | 2021-07-26 15:40:30 +0000 |
commit | 0883b4fae03343978e61fc377775d7ba93f86b40 (patch) | |
tree | 1a3d6fe100b39a2cae88842017e441aa3e96707a /helix-term | |
parent | f96b8b769b3c7457935b5c02db870af97036f7b6 (diff) |
Collect some common patterns into methods on `Range`.
Diffstat (limited to 'helix-term')
-rw-r--r-- | helix-term/src/commands.rs | 124 | ||||
-rw-r--r-- | helix-term/src/ui/completion.rs | 20 | ||||
-rw-r--r-- | helix-term/src/ui/editor.rs | 14 |
3 files changed, 92 insertions, 66 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 173d0b7b..86ede415 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -121,7 +121,10 @@ enum Align { } fn align_view(doc: &Document, view: &mut View, align: Align) { - let pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let line = doc.text().char_to_line(pos); let relative = match align { @@ -372,17 +375,13 @@ fn goto_line_end(cx: &mut Context) { let text = doc.text().slice(..); let selection = doc.selection(view.id).clone().transform(|range| { - let line = range.head_line(text); + let line = range.cursor_line(text); let line_start = text.line_to_char(line); let pos = graphemes::prev_grapheme_boundary(text, line_end_char_index(&text, line)) .max(line_start); - if doc.mode == Mode::Select { - range.move_head(text, pos, true) - } else { - Range::point(pos) - } + range.put_cursor(text, pos, doc.mode == Mode::Select) }); doc.set_selection(view.id, selection); } @@ -392,14 +391,10 @@ fn goto_line_end_newline(cx: &mut Context) { let text = doc.text().slice(..); let selection = doc.selection(view.id).clone().transform(|range| { - let line = range.head_line(text); + let line = range.cursor_line(text); let pos = line_end_char_index(&text, line); - if doc.mode == Mode::Select { - range.move_head(text, pos, true) - } else { - Range::point(pos) - } + range.put_cursor(text, pos, doc.mode == Mode::Select) }); doc.set_selection(view.id, selection); } @@ -409,15 +404,11 @@ fn goto_line_start(cx: &mut Context) { let text = doc.text().slice(..); let selection = doc.selection(view.id).clone().transform(|range| { - let line = range.head_line(text); + let line = range.cursor_line(text); // adjust to start of the line let pos = text.line_to_char(line); - if doc.mode == Mode::Select { - range.move_head(text, pos, true) - } else { - Range::point(pos) - } + range.put_cursor(text, pos, doc.mode == Mode::Select) }); doc.set_selection(view.id, selection); } @@ -427,15 +418,11 @@ fn goto_first_nonwhitespace(cx: &mut Context) { let text = doc.text().slice(..); let selection = doc.selection(view.id).clone().transform(|range| { - let line = range.head_line(text); + let line = range.cursor_line(text); if let Some(pos) = find_first_non_whitespace_char(text.line(line)) { let pos = pos + text.line_to_char(line); - if doc.mode == Mode::Select { - range.move_head(text, pos, true) - } else { - Range::point(pos) - } + range.put_cursor(text, pos, doc.mode == Mode::Select) } else { range } @@ -579,8 +566,8 @@ fn extend_next_word_start(cx: &mut Context) { .min_width_1(text) .transform(|range| { let word = movement::move_next_word_start(text, range, count); - let pos = graphemes::prev_grapheme_boundary(text, word.head); - range.move_head(text, pos, true) + let pos = word.cursor(text); + range.put_cursor(text, pos, true) }); doc.set_selection(view.id, selection); } @@ -596,8 +583,8 @@ fn extend_prev_word_start(cx: &mut Context) { .min_width_1(text) .transform(|range| { let word = movement::move_prev_word_start(text, range, count); - let pos = word.head; - range.move_head(text, pos, true) + let pos = word.cursor(text); + range.put_cursor(text, pos, true) }); doc.set_selection(view.id, selection); } @@ -613,8 +600,8 @@ fn extend_next_word_end(cx: &mut Context) { .min_width_1(text) .transform(|range| { let word = movement::move_next_word_end(text, range, count); - let pos = graphemes::prev_grapheme_boundary(text, word.head); - range.move_head(text, pos, true) + let pos = word.cursor(text); + range.put_cursor(text, pos, true) }); doc.set_selection(view.id, selection); } @@ -663,18 +650,13 @@ where let selection = doc.selection(view.id).clone().transform(|range| { let range = if range.anchor < range.head { - // For 1-width cursor semantics. + // For block-cursor semantics. Range::new(range.anchor, range.head - 1) } else { range }; - search_fn(text, ch, range.head, count, inclusive).map_or(range, |pos| { - if extend { - range.move_head(text, pos, true) - } else { - Range::point(pos) - } - }) + search_fn(text, ch, range.head, count, inclusive) + .map_or(range, |pos| range.put_cursor(text, pos, extend)) }); doc.set_selection(view.id, selection); }) @@ -895,7 +877,9 @@ fn scroll(cx: &mut Context, offset: usize, direction: Direction) { let (view, doc) = current!(cx.editor); let cursor = coords_at_pos( doc.text().slice(..), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), ); let doc_last_line = doc.text().len_lines() - 1; @@ -1220,12 +1204,7 @@ fn collapse_selection(cx: &mut Context) { let text = doc.text().slice(..); let selection = doc.selection(view.id).clone().transform(|range| { - let pos = if range.head > range.anchor { - // For 1-width cursor semantics. - graphemes::prev_grapheme_boundary(text, range.head) - } else { - range.head - }; + let pos = range.cursor(text); Range::new(pos, pos) }); doc.set_selection(view.id, selection); @@ -2203,7 +2182,7 @@ fn append_to_line(cx: &mut Context) { let selection = doc.selection(view.id).clone().transform(|range| { let text = doc.text().slice(..); - let line = range.head_line(text); + let line = range.cursor_line(text); let pos = line_end_char_index(&text, line); Range::new(pos, pos) }); @@ -2264,7 +2243,7 @@ fn open(cx: &mut Context, open: Open) { let mut offs = 0; let mut transaction = Transaction::change_by_selection(contents, selection, |range| { - let line = range.head_line(text); + let line = range.cursor_line(text); let line = match open { // adjust position to the end of the line (next line - 1) @@ -2472,7 +2451,9 @@ fn goto_definition(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), offset_encoding, ); @@ -2513,7 +2494,9 @@ fn goto_type_definition(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), offset_encoding, ); @@ -2554,7 +2537,9 @@ fn goto_implementation(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), offset_encoding, ); @@ -2595,7 +2580,9 @@ fn goto_reference(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), offset_encoding, ); @@ -2656,7 +2643,10 @@ fn goto_next_diag(cx: &mut Context) { let editor = &mut cx.editor; let (view, doc) = current!(editor); - let cursor_pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor_pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let diag = if let Some(diag) = doc .diagnostics() .iter() @@ -2677,7 +2667,10 @@ fn goto_prev_diag(cx: &mut Context) { let editor = &mut cx.editor; let (view, doc) = current!(editor); - let cursor_pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor_pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let diag = if let Some(diag) = doc .diagnostics() .iter() @@ -2705,7 +2698,9 @@ fn signature_help(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), language_server.offset_encoding(), ); @@ -3457,7 +3452,10 @@ fn completion(cx: &mut Context) { }; let offset_encoding = language_server.offset_encoding(); - let cursor = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let pos = pos_to_lsp_pos(doc.text(), cursor, offset_encoding); @@ -3514,7 +3512,9 @@ fn hover(cx: &mut Context) { let pos = pos_to_lsp_pos( doc.text(), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), language_server.offset_encoding(), ); @@ -3580,7 +3580,10 @@ fn match_brackets(cx: &mut Context) { let (view, doc) = current!(cx.editor); if let Some(syntax) = doc.syntax() { - let pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); if let Some(pos) = match_brackets::find(syntax, doc.text(), pos) { let selection = Selection::point(pos); doc.set_selection(view.id, selection); @@ -3684,7 +3687,10 @@ fn align_view_bottom(cx: &mut Context) { fn align_view_middle(cx: &mut Context) { let (view, doc) = current!(cx.editor); - let pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let pos = coords_at_pos(doc.text().slice(..), pos); const OFFSET: usize = 7; // gutters diff --git a/helix-term/src/ui/completion.rs b/helix-term/src/ui/completion.rs index 942a2483..2725d53d 100644 --- a/helix-term/src/ui/completion.rs +++ b/helix-term/src/ui/completion.rs @@ -86,7 +86,10 @@ impl Completion { let item = item.unwrap(); // if more text was entered, remove it - let cursor = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); if trigger_offset < cursor { let remove = Transaction::change( doc.text(), @@ -109,7 +112,10 @@ impl Completion { ) } else { let text = item.insert_text.as_ref().unwrap_or(&item.label); - let cursor = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); Transaction::change( doc.text(), vec![(cursor, cursor, Some(text.as_str().into()))].into_iter(), @@ -155,7 +161,10 @@ impl Completion { // TODO: hooks should get processed immediately so maybe do it after select!(), before // looping? - let cursor = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); if self.trigger_offset <= cursor { let fragment = doc.text().slice(self.trigger_offset..cursor); let text = Cow::from(fragment); @@ -212,7 +221,10 @@ impl Component for Completion { .language() .and_then(|scope| scope.strip_prefix("source.")) .unwrap_or(""); - let cursor_pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor_pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let cursor_pos = (helix_core::coords_at_pos(doc.text().slice(..), cursor_pos).row - view.first_line) as u16; diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index 8e29be6c..482a4117 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -406,7 +406,10 @@ impl EditorView { // TODO: set cursor position for IME if let Some(syntax) = doc.syntax() { use helix_core::match_brackets; - let pos = doc.selection(view.id).cursor(doc.text().slice(..)); + let pos = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let pos = match_brackets::find(syntax, doc.text(), pos) .and_then(|pos| view.screen_coords_at_pos(doc, text, pos)); @@ -451,7 +454,10 @@ impl EditorView { widgets::{Paragraph, Widget}, }; - let cursor = doc.selection(view.id).cursor(doc.text().slice(..)); + let cursor = doc + .selection(view.id) + .primary() + .cursor(doc.text().slice(..)); let diagnostics = doc.diagnostics().iter().filter(|diagnostic| { diagnostic.range.start <= cursor && diagnostic.range.end >= cursor @@ -565,7 +571,9 @@ impl EditorView { let position_info = { let pos = coords_at_pos( doc.text().slice(..), - doc.selection(view.id).cursor(doc.text().slice(..)), + doc.selection(view.id) + .primary() + .cursor(doc.text().slice(..)), ); format!("{}:{}", pos.row + 1, pos.col + 1) // convert to 1-indexing }; |