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Implement no-yank delete/change (#1099)
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@ -45,44 +45,46 @@ ### Movement
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### Changes
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| Key | Description | Command |
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| ----- | ----------- | ------- |
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| `r` | Replace with a character | `replace` |
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| `R` | Replace with yanked text | `replace_with_yanked` |
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| `~` | Switch case of the selected text | `switch_case` |
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| `` ` `` | Set the selected text to lower case | `switch_to_lowercase` |
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| `` Alt-` `` | Set the selected text to upper case | `switch_to_uppercase` |
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| `i` | Insert before selection | `insert_mode` |
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| `a` | Insert after selection (append) | `append_mode` |
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| `I` | Insert at the start of the line | `prepend_to_line` |
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| `A` | Insert at the end of the line | `append_to_line` |
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| `o` | Open new line below selection | `open_below` |
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| `O` | Open new line above selection | `open_above` |
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| `.` | Repeat last change | N/A |
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| `u` | Undo change | `undo` |
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| `U` | Redo change | `redo` |
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| `Alt-u` | Move backward in history | `earlier` |
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| `Alt-U` | Move forward in history | `later` |
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| `y` | Yank selection | `yank` |
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| `p` | Paste after selection | `paste_after` |
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| `P` | Paste before selection | `paste_before` |
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| `"` `<reg>` | Select a register to yank to or paste from | `select_register` |
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| `>` | Indent selection | `indent` |
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| `<` | Unindent selection | `unindent` |
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| `=` | Format selection (**LSP**) | `format_selections` |
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| `d` | Delete selection | `delete_selection` |
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| `c` | Change selection (delete and enter insert mode) | `change_selection` |
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| `Ctrl-a` | Increment object (number) under cursor | `increment` |
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| `Ctrl-x` | Decrement object (number) under cursor | `decrement` |
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| Key | Description | Command |
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| ----- | ----------- | ------- |
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| `r` | Replace with a character | `replace` |
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| `R` | Replace with yanked text | `replace_with_yanked` |
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| `~` | Switch case of the selected text | `switch_case` |
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| `` ` `` | Set the selected text to lower case | `switch_to_lowercase` |
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| `` Alt-` `` | Set the selected text to upper case | `switch_to_uppercase` |
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| `i` | Insert before selection | `insert_mode` |
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| `a` | Insert after selection (append) | `append_mode` |
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| `I` | Insert at the start of the line | `prepend_to_line` |
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| `A` | Insert at the end of the line | `append_to_line` |
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| `o` | Open new line below selection | `open_below` |
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| `O` | Open new line above selection | `open_above` |
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| `.` | Repeat last change | N/A |
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| `u` | Undo change | `undo` |
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| `U` | Redo change | `redo` |
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| `Alt-u` | Move backward in history | `earlier` |
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| `Alt-U` | Move forward in history | `later` |
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| `y` | Yank selection | `yank` |
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| `p` | Paste after selection | `paste_after` |
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| `P` | Paste before selection | `paste_before` |
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| `"` `<reg>` | Select a register to yank to or paste from | `select_register` |
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| `>` | Indent selection | `indent` |
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| `<` | Unindent selection | `unindent` |
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| `=` | Format selection (**LSP**) | `format_selections` |
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| `d` | Delete selection | `delete_selection` |
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| `Alt-d` | Delete selection, without yanking | `delete_selection_noyank` |
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| `c` | Change selection (delete and enter insert mode) | `change_selection` |
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| `Alt-c` | Change selection (delete and enter insert mode, without yanking) | `change_selection_noyank` |
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| `Ctrl-a` | Increment object (number) under cursor | `increment` |
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| `Ctrl-x` | Decrement object (number) under cursor | `decrement` |
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#### Shell
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| Key | Description | Command |
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| ------ | ----------- | ------- |
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| <code>|</code> | Pipe each selection through shell command, replacing with output | `shell_pipe` |
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| <code>A-|</code> | Pipe each selection into shell command, ignoring output | `shell_pipe_to` |
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| `!` | Run shell command, inserting output before each selection | `shell_insert_output` |
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| `A-!` | Run shell command, appending output after each selection | `shell_append_output` |
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| Key | Description | Command |
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| ------ | ----------- | ------- |
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| <code>|</code> | Pipe each selection through shell command, replacing with output | `shell_pipe` |
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| <code>Alt-|</code> | Pipe each selection into shell command, ignoring output | `shell_pipe_to` |
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| `!` | Run shell command, inserting output before each selection | `shell_insert_output` |
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| `Alt-!` | Run shell command, appending output after each selection | `shell_append_output` |
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### Selection manipulation
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@ -9,7 +9,6 @@
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numbers::NumberIncrementor,
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object, pos_at_coords,
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regex::{self, Regex, RegexBuilder},
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register::Register,
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search, selection, surround, textobject,
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unicode::width::UnicodeWidthChar,
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LineEnding, Position, Range, Rope, RopeGraphemes, RopeSlice, Selection, SmallVec, Tendril,
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@ -232,7 +231,9 @@ pub fn doc(&self) -> &'static str {
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extend_line, "Select current line, if already selected, extend to next line",
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extend_to_line_bounds, "Extend selection to line bounds (line-wise selection)",
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delete_selection, "Delete selection",
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delete_selection_noyank, "Delete selection, without yanking",
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change_selection, "Change selection (delete and enter insert mode)",
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change_selection_noyank, "Change selection (delete and enter insert mode, without yanking)",
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collapse_selection, "Collapse selection onto a single cursor",
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flip_selections, "Flip selection cursor and anchor",
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insert_mode, "Insert before selection",
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@ -1693,19 +1694,42 @@ fn extend_to_line_bounds(cx: &mut Context) {
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);
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}
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fn delete_selection_impl(reg: &mut Register, doc: &mut Document, view_id: ViewId) {
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let text = doc.text().slice(..);
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let selection = doc.selection(view_id);
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enum Operation {
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Delete,
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Change,
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}
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// first yank the selection
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let values: Vec<String> = selection.fragments(text).map(Cow::into_owned).collect();
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reg.write(values);
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fn delete_selection_impl(cx: &mut Context, op: Operation) {
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let (view, doc) = current!(cx.editor);
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let text = doc.text().slice(..);
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let selection = doc.selection(view.id);
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if cx.register != Some('_') {
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// first yank the selection
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let values: Vec<String> = selection.fragments(text).map(Cow::into_owned).collect();
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let reg_name = cx.register.unwrap_or('"');
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let registers = &mut cx.editor.registers;
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let reg = registers.get_mut(reg_name);
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reg.write(values);
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};
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// then delete
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let transaction = Transaction::change_by_selection(doc.text(), selection, |range| {
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(range.from(), range.to(), None)
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});
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doc.apply(&transaction, view_id);
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doc.apply(&transaction, view.id);
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match op {
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Operation::Delete => {
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doc.append_changes_to_history(view.id);
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// exit select mode, if currently in select mode
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exit_select_mode(cx);
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}
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Operation::Change => {
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enter_insert_mode(doc);
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}
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}
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}
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#[inline]
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@ -1720,25 +1744,21 @@ fn delete_selection_insert_mode(doc: &mut Document, view: &View, selection: &Sel
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}
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fn delete_selection(cx: &mut Context) {
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let reg_name = cx.register.unwrap_or('"');
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let (view, doc) = current!(cx.editor);
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let registers = &mut cx.editor.registers;
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let reg = registers.get_mut(reg_name);
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delete_selection_impl(reg, doc, view.id);
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delete_selection_impl(cx, Operation::Delete);
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}
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doc.append_changes_to_history(view.id);
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// exit select mode, if currently in select mode
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exit_select_mode(cx);
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fn delete_selection_noyank(cx: &mut Context) {
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cx.register = Some('_');
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delete_selection_impl(cx, Operation::Delete);
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}
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fn change_selection(cx: &mut Context) {
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let reg_name = cx.register.unwrap_or('"');
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let (view, doc) = current!(cx.editor);
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let registers = &mut cx.editor.registers;
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let reg = registers.get_mut(reg_name);
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delete_selection_impl(reg, doc, view.id);
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enter_insert_mode(doc);
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delete_selection_impl(cx, Operation::Change);
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}
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fn change_selection_noyank(cx: &mut Context) {
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cx.register = Some('_');
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delete_selection_impl(cx, Operation::Change);
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}
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fn collapse_selection(cx: &mut Context) {
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@ -537,9 +537,9 @@ fn default() -> Keymaps {
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"O" => open_above,
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"d" => delete_selection,
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// TODO: also delete without yanking
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"A-d" => delete_selection_noyank,
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"c" => change_selection,
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// TODO: also change delete without yanking
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"A-c" => change_selection_noyank,
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"C" => copy_selection_on_next_line,
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"A-C" => copy_selection_on_prev_line,
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