diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs index 7c74d36ecb..84f2cf56d8 100644 --- a/crates/editor/src/editor.rs +++ b/crates/editor/src/editor.rs @@ -68,7 +68,8 @@ action!(Backspace); action!(Delete); action!(Input, String); action!(Newline); -action!(Tab); +action!(Tab, Direction); +action!(Indent); action!(Outdent); action!(DeleteLine); action!(DeleteToPreviousWordStart); @@ -171,13 +172,15 @@ pub fn init(cx: &mut MutableAppContext) { Some("Editor && showing_code_actions"), ), Binding::new("enter", ConfirmRename, Some("Editor && renaming")), - Binding::new("tab", Tab, Some("Editor")), + Binding::new("tab", Tab(Direction::Next), Some("Editor")), + Binding::new("shift-tab", Tab(Direction::Prev), Some("Editor")), Binding::new( "tab", ConfirmCompletion(None), Some("Editor && showing_completions"), ), - Binding::new("shift-tab", Outdent, Some("Editor")), + Binding::new("cmd-[", Outdent, Some("Editor")), + Binding::new("cmd-]", Indent, Some("Editor")), Binding::new("ctrl-shift-K", DeleteLine, Some("Editor")), Binding::new("alt-backspace", DeleteToPreviousWordStart, Some("Editor")), Binding::new("alt-h", DeleteToPreviousWordStart, Some("Editor")), @@ -305,6 +308,7 @@ pub fn init(cx: &mut MutableAppContext) { cx.add_action(Editor::backspace); cx.add_action(Editor::delete); cx.add_action(Editor::tab); + cx.add_action(Editor::indent); cx.add_action(Editor::outdent); cx.add_action(Editor::delete_line); cx.add_action(Editor::delete_to_previous_word_start); @@ -2861,75 +2865,101 @@ impl Editor { }); } - pub fn tab(&mut self, _: &Tab, cx: &mut ViewContext) { - if self.move_to_next_snippet_tabstop(cx) { - return; - } + pub fn tab(&mut self, &Tab(direction): &Tab, cx: &mut ViewContext) { + match direction { + Direction::Prev => { + if !self.snippet_stack.is_empty() { + self.move_to_prev_snippet_tabstop(cx); + return; + } + self.outdent(&Outdent, cx); + } + Direction::Next => { + if self.move_to_next_snippet_tabstop(cx) { + return; + } + + let tab_size = cx.global::().tab_size; + let mut selections = self.local_selections::(cx); + if selections.iter().all(|s| s.is_empty()) { + self.transact(cx, |this, cx| { + this.buffer.update(cx, |buffer, cx| { + for selection in &mut selections { + let char_column = buffer + .read(cx) + .text_for_range( + Point::new(selection.start.row, 0)..selection.start, + ) + .flat_map(str::chars) + .count(); + let chars_to_next_tab_stop = tab_size - (char_column % tab_size); + buffer.edit( + [selection.start..selection.start], + " ".repeat(chars_to_next_tab_stop), + cx, + ); + selection.start.column += chars_to_next_tab_stop as u32; + selection.end = selection.start; + } + }); + this.update_selections(selections, Some(Autoscroll::Fit), cx); + }); + } else { + self.indent(&Indent, cx); + } + } + } + } + + pub fn indent(&mut self, _: &Indent, cx: &mut ViewContext) { let tab_size = cx.global::().tab_size; let mut selections = self.local_selections::(cx); self.transact(cx, |this, cx| { let mut last_indent = None; this.buffer.update(cx, |buffer, cx| { for selection in &mut selections { - if selection.is_empty() { - let char_column = buffer - .read(cx) - .text_for_range(Point::new(selection.start.row, 0)..selection.start) - .flat_map(str::chars) - .count(); - let chars_to_next_tab_stop = tab_size - (char_column % tab_size); + let mut start_row = selection.start.row; + let mut end_row = selection.end.row + 1; + + // If a selection ends at the beginning of a line, don't indent + // that last line. + if selection.end.column == 0 { + end_row -= 1; + } + + // Avoid re-indenting a row that has already been indented by a + // previous selection, but still update this selection's column + // to reflect that indentation. + if let Some((last_indent_row, last_indent_len)) = last_indent { + if last_indent_row == selection.start.row { + selection.start.column += last_indent_len; + start_row += 1; + } + if last_indent_row == selection.end.row { + selection.end.column += last_indent_len; + } + } + + for row in start_row..end_row { + let indent_column = buffer.read(cx).indent_column_for_line(row) as usize; + let columns_to_next_tab_stop = tab_size - (indent_column % tab_size); + let row_start = Point::new(row, 0); buffer.edit( - [selection.start..selection.start], - " ".repeat(chars_to_next_tab_stop), + [row_start..row_start], + " ".repeat(columns_to_next_tab_stop), cx, ); - selection.start.column += chars_to_next_tab_stop as u32; - selection.end = selection.start; - } else { - let mut start_row = selection.start.row; - let mut end_row = selection.end.row + 1; - // If a selection ends at the beginning of a line, don't indent - // that last line. - if selection.end.column == 0 { - end_row -= 1; + // Update this selection's endpoints to reflect the indentation. + if row == selection.start.row { + selection.start.column += columns_to_next_tab_stop as u32; + } + if row == selection.end.row { + selection.end.column += columns_to_next_tab_stop as u32; } - // Avoid re-indenting a row that has already been indented by a - // previous selection, but still update this selection's column - // to reflect that indentation. - if let Some((last_indent_row, last_indent_len)) = last_indent { - if last_indent_row == selection.start.row { - selection.start.column += last_indent_len; - start_row += 1; - } - if last_indent_row == selection.end.row { - selection.end.column += last_indent_len; - } - } - - for row in start_row..end_row { - let indent_column = - buffer.read(cx).indent_column_for_line(row) as usize; - let columns_to_next_tab_stop = tab_size - (indent_column % tab_size); - let row_start = Point::new(row, 0); - buffer.edit( - [row_start..row_start], - " ".repeat(columns_to_next_tab_stop), - cx, - ); - - // Update this selection's endpoints to reflect the indentation. - if row == selection.start.row { - selection.start.column += columns_to_next_tab_stop as u32; - } - if row == selection.end.row { - selection.end.column += columns_to_next_tab_stop as u32; - } - - last_indent = Some((row, columns_to_next_tab_stop as u32)); - } + last_indent = Some((row, columns_to_next_tab_stop as u32)); } } }); @@ -2939,11 +2969,6 @@ impl Editor { } pub fn outdent(&mut self, _: &Outdent, cx: &mut ViewContext) { - if !self.snippet_stack.is_empty() { - self.move_to_prev_snippet_tabstop(cx); - return; - } - let tab_size = cx.global::().tab_size; let selections = self.local_selections::(cx); let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx)); @@ -7458,7 +7483,7 @@ mod tests { ); // indent from mid-tabstop to full tabstop - view.tab(&Tab, cx); + view.tab(&Tab(Direction::Next), cx); assert_eq!(view.text(cx), " one two\nthree\n four"); assert_eq!( view.selected_display_ranges(cx), @@ -7469,7 +7494,7 @@ mod tests { ); // outdent from 1 tabstop to 0 tabstops - view.outdent(&Outdent, cx); + view.tab(&Tab(Direction::Prev), cx); assert_eq!(view.text(cx), "one two\nthree\n four"); assert_eq!( view.selected_display_ranges(cx), @@ -7483,13 +7508,13 @@ mod tests { view.select_display_ranges(&[DisplayPoint::new(1, 1)..DisplayPoint::new(2, 0)], cx); // indent and outdent affect only the preceding line - view.tab(&Tab, cx); + view.tab(&Tab(Direction::Next), cx); assert_eq!(view.text(cx), "one two\n three\n four"); assert_eq!( view.selected_display_ranges(cx), &[DisplayPoint::new(1, 5)..DisplayPoint::new(2, 0)] ); - view.outdent(&Outdent, cx); + view.tab(&Tab(Direction::Prev), cx); assert_eq!(view.text(cx), "one two\nthree\n four"); assert_eq!( view.selected_display_ranges(cx), @@ -7498,7 +7523,7 @@ mod tests { // Ensure that indenting/outdenting works when the cursor is at column 0. view.select_display_ranges(&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)], cx); - view.tab(&Tab, cx); + view.tab(&Tab(Direction::Next), cx); assert_eq!(view.text(cx), "one two\n three\n four"); assert_eq!( view.selected_display_ranges(cx), @@ -7506,7 +7531,7 @@ mod tests { ); view.select_display_ranges(&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)], cx); - view.outdent(&Outdent, cx); + view.tab(&Tab(Direction::Prev), cx); assert_eq!(view.text(cx), "one two\nthree\n four"); assert_eq!( view.selected_display_ranges(cx),