Readline style insert mode (#1039)
* readline style insert mode * update keymap.md * don't save change history in insert mode * Revert "don't save change history in insert mode" This reverts commit cb47f946d7fb62ceda68e7d1692a3914d0be7762. * don't affect register and history in insert mode * add insert_register * don't call exit_select_mode in insert mode * avoid set_selection * avoid duplicated current!
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4 changed files with 114 additions and 9 deletions
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@ -243,11 +243,26 @@ Mappings in the style of [vim-unimpaired](https://github.com/tpope/vim-unimpaire
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## Insert Mode
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| Key | Description | Command |
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| ----- | ----------- | ------- |
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| `Escape` | Switch to normal mode | `normal_mode` |
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| `Ctrl-x` | Autocomplete | `completion` |
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| `Ctrl-w` | Delete previous word | `delete_word_backward` |
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| Key | Description | Command |
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| ----- | ----------- | ------- |
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| `Escape` | Switch to normal mode | `normal_mode` |
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| `Ctrl-x` | Autocomplete | `completion` |
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| `Ctrl-r` | Insert a register content | `insert_register` |
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| `Ctrl-w` | Delete previous word | `delete_word_backward` |
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| `Alt-d` | Delete next word | `delete_word_forward` |
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| `Alt-b`, `Alt-Left` | Backward a word | `move_prev_word_end` |
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| `Ctrl-b`, `Left` | Backward a char | `move_char_left` |
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| `Alt-f`, `Alt-Right` | Forward a word | `move_next_word_start` |
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| `Ctrl-f`, `Right` | Forward a char | `move_char_right` |
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| `Ctrl-e`, `End` | move to line end | `goto_line_end_newline` |
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| `Ctrl-a`, `Home` | move to line start | `goto_line_start` |
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| `Ctrl-w` | delete previous word | `delete_word_backwar` |
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| `Ctrl-u` | delete to start of line | `kill_to_line_start` |
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| `Ctrl-k` | delete to end of line | `kill_to_line_end` |
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| `backspace`, `Ctrl-h` | delete previous char | `delete_char_backward` |
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| `delete`, `Ctrl-d` | delete previous char | `delete_char_forward` |
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| `Ctrl-p`, `Up` | move to previous line | `move_line_up` |
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| `Ctrl-n`, `Down` | move to next line | `move_line_down` |
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## Select / extend mode
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@ -285,6 +300,7 @@ Keys to use within prompt, Remapping currently not supported.
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| `Ctrl-e`, `End` | Move prompt end |
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| `Ctrl-a`, `Home` | Move prompt start |
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| `Ctrl-w` | Delete previous word |
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| `Alt-d` | Delete next word |
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| `Ctrl-u` | Delete to start of line |
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| `Ctrl-k` | Delete to end of line |
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| `backspace`, `Ctrl-h` | Delete previous char |
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@ -292,7 +308,7 @@ Keys to use within prompt, Remapping currently not supported.
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| `Ctrl-s` | Insert a word under doc cursor, may be changed to Ctrl-r Ctrl-w later |
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| `Ctrl-p`, `Up` | Select previous history |
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| `Ctrl-n`, `Down` | Select next history |
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| `Tab` | Select next completion item |
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| `BackTab` | Select previous completion item |
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| `Tab` | Select next completion item |
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| `BackTab` | Select previous completion item |
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| `Enter` | Open selected |
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@ -187,6 +187,7 @@ impl Command {
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copy_selection_on_prev_line, "Copy selection on previous line",
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move_next_word_start, "Move to beginning of next word",
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move_prev_word_start, "Move to beginning of previous word",
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move_prev_word_end, "Move to end of previous word",
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move_next_word_end, "Move to end of next word",
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move_next_long_word_start, "Move to beginning of next long word",
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move_prev_long_word_start, "Move to beginning of previous long word",
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@ -284,6 +285,9 @@ impl Command {
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delete_char_backward, "Delete previous char",
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delete_char_forward, "Delete next char",
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delete_word_backward, "Delete previous word",
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delete_word_forward, "Delete next word",
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kill_to_line_start, "Delete content till the start of the line",
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kill_to_line_end, "Delete content till the end of the line",
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undo, "Undo change",
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redo, "Redo change",
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earlier, "Move backward in history",
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@ -330,6 +334,7 @@ impl Command {
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wclose, "Close window",
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wonly, "Current window only",
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select_register, "Select register",
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insert_register, "Insert register",
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align_view_middle, "Align view middle",
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align_view_top, "Align view top",
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align_view_center, "Align view center",
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@ -572,6 +577,29 @@ fn extend_to_line_start(cx: &mut Context) {
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goto_line_start_impl(view, doc, Movement::Extend)
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}
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fn kill_to_line_start(cx: &mut Context) {
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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).clone().transform(|range| {
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let line = range.cursor_line(text);
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range.put_cursor(text, text.line_to_char(line), true)
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});
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delete_selection_insert_mode(doc, view, &selection);
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}
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fn kill_to_line_end(cx: &mut Context) {
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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).clone().transform(|range| {
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let line = range.cursor_line(text);
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let pos = line_end_char_index(&text, line);
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range.put_cursor(text, pos, true)
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});
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delete_selection_insert_mode(doc, view, &selection);
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}
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fn goto_first_nonwhitespace(cx: &mut Context) {
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let (view, doc) = current!(cx.editor);
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let text = doc.text().slice(..);
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@ -684,6 +712,10 @@ fn move_prev_word_start(cx: &mut Context) {
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move_word_impl(cx, movement::move_prev_word_start)
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}
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fn move_prev_word_end(cx: &mut Context) {
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move_word_impl(cx, movement::move_prev_word_end)
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}
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fn move_next_word_end(cx: &mut Context) {
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move_word_impl(cx, movement::move_next_word_end)
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}
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@ -1586,6 +1618,17 @@ fn delete_selection_impl(reg: &mut Register, doc: &mut Document, view_id: ViewId
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doc.apply(&transaction, view_id);
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}
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#[inline]
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fn delete_selection_insert_mode(doc: &mut Document, view: &View, selection: &Selection) {
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let view_id = view.id;
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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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}
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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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@ -4010,8 +4053,19 @@ pub mod insert {
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.selection(view.id)
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.clone()
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.transform(|range| movement::move_prev_word_start(text, range, count));
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doc.set_selection(view.id, selection);
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delete_selection(cx)
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delete_selection_insert_mode(doc, view, &selection);
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}
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pub fn delete_word_forward(cx: &mut Context) {
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let count = cx.count();
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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
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.selection(view.id)
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.clone()
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.transform(|range| movement::move_next_word_start(text, range, count));
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delete_selection_insert_mode(doc, view, &selection);
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}
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}
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@ -4973,6 +5027,15 @@ fn select_register(cx: &mut Context) {
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})
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}
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fn insert_register(cx: &mut Context) {
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cx.on_next_key(move |cx, event| {
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if let Some(ch) = event.char() {
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cx.editor.selected_register = Some(ch);
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paste_before(cx);
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}
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})
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}
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fn align_view_top(cx: &mut Context) {
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let (view, doc) = current!(cx.editor);
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align_view(doc, view, Align::Top);
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@ -731,21 +731,38 @@ impl Default for Keymaps {
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"esc" => normal_mode,
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"backspace" => delete_char_backward,
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"C-h" => delete_char_backward,
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"del" => delete_char_forward,
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"C-d" => delete_char_forward,
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"ret" => insert_newline,
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"tab" => insert_tab,
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"C-w" => delete_word_backward,
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"A-d" => delete_word_forward,
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"left" => move_char_left,
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"C-b" => move_char_left,
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"down" => move_line_down,
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"C-n" => move_line_down,
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"up" => move_line_up,
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"C-p" => move_line_up,
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"right" => move_char_right,
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"C-f" => move_char_right,
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"A-b" => move_prev_word_end,
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"A-left" => move_prev_word_end,
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"A-f" => move_next_word_start,
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"A-right" => move_next_word_start,
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"pageup" => page_up,
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"pagedown" => page_down,
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"home" => goto_line_start,
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"C-a" => goto_line_start,
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"end" => goto_line_end_newline,
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"C-e" => goto_line_end_newline,
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"C-k" => kill_to_line_end,
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"C-u" => kill_to_line_start,
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"C-x" => completion,
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"C-r" => insert_register,
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});
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Keymaps(hashmap!(
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Mode::Normal => Keymap::new(normal),
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@ -231,6 +231,14 @@ impl Prompt {
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self.completion = (self.completion_fn)(&self.line);
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}
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pub fn delete_word_forwards(&mut self) {
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let pos = self.eval_movement(Movement::ForwardWord(1));
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self.line.replace_range(self.cursor..pos, "");
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self.exit_selection();
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self.completion = (self.completion_fn)(&self.line);
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}
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pub fn kill_to_start_of_line(&mut self) {
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let pos = self.eval_movement(Movement::StartOfLine);
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self.line.replace_range(pos..self.cursor, "");
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@ -435,6 +443,7 @@ impl Component for Prompt {
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ctrl!('e') | key!(End) => self.move_end(),
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ctrl!('a') | key!(Home) => self.move_start(),
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ctrl!('w') => self.delete_word_backwards(),
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alt!('d') => self.delete_word_forwards(),
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ctrl!('k') => self.kill_to_end_of_line(),
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ctrl!('u') => self.kill_to_start_of_line(),
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ctrl!('h') | key!(Backspace) => {
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