785 lines
20 KiB
Rust
785 lines
20 KiB
Rust
use std::iter::Peekable;
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use std::str::Chars;
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use nix::NixPath;
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use super::keys::{KeyEvent as E, KeyCode as K, ModKeys as M};
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use super::vicmd::{Anchor, Bound, Dest, Direction, Motion, MotionBuilder, MotionCmd, RegisterName, TextObj, To, Verb, VerbBuilder, VerbCmd, ViCmd, Word};
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use crate::prelude::*;
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#[derive(Debug,Clone)]
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pub enum CmdReplay {
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ModeReplay { cmds: Vec<ViCmd>, repeat: u16 },
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Single(ViCmd),
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Motion(Motion)
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}
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impl CmdReplay {
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pub fn mode(cmds: Vec<ViCmd>, repeat: u16) -> Self {
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Self::ModeReplay { cmds, repeat }
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}
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pub fn single(cmd: ViCmd) -> Self {
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Self::Single(cmd)
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}
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pub fn motion(motion: Motion) -> Self {
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Self::Motion(motion)
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}
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}
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pub enum CmdState {
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Pending,
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Complete,
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Invalid
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}
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pub trait ViMode {
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fn handle_key(&mut self, key: E) -> Option<ViCmd>;
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fn is_repeatable(&self) -> bool;
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fn as_replay(&self) -> Option<CmdReplay>;
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fn cursor_style(&self) -> String;
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fn pending_seq(&self) -> Option<String>;
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fn move_cursor_on_undo(&self) -> bool;
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fn clamp_cursor(&self) -> bool;
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}
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#[derive(Default,Debug)]
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pub struct ViInsert {
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cmds: Vec<ViCmd>,
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pending_cmd: ViCmd,
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repeat_count: u16
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}
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impl ViInsert {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn with_count(mut self, repeat_count: u16) -> Self {
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self.repeat_count = repeat_count;
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self
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}
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pub fn register_and_return(&mut self) -> Option<ViCmd> {
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let cmd = self.take_cmd();
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self.register_cmd(&cmd);
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Some(cmd)
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}
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pub fn ctrl_w_is_undo(&self) -> bool {
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let insert_count = self.cmds.iter().filter(|cmd| {
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matches!(cmd.verb(),Some(VerbCmd(1, Verb::InsertChar(_))))
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}).count();
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let backspace_count = self.cmds.iter().filter(|cmd| {
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matches!(cmd.verb(),Some(VerbCmd(1, Verb::Delete)))
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}).count();
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insert_count > backspace_count
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}
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pub fn register_cmd(&mut self, cmd: &ViCmd) {
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self.cmds.push(cmd.clone())
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}
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pub fn take_cmd(&mut self) -> ViCmd {
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std::mem::take(&mut self.pending_cmd)
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}
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}
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impl ViMode for ViInsert {
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fn handle_key(&mut self, key: E) -> Option<ViCmd> {
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match key {
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E(K::Char(ch), M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::InsertChar(ch)));
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self.pending_cmd.set_motion(MotionCmd(1,Motion::ForwardChar));
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self.register_and_return()
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}
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E(K::Char('W'), M::CTRL) => {
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if self.ctrl_w_is_undo() {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::Undo));
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self.cmds.clear();
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Some(self.take_cmd())
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} else {
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self.pending_cmd.set_verb(VerbCmd(1, Verb::Delete));
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self.pending_cmd.set_motion(MotionCmd(1, Motion::BackwardWord(To::Start, Word::Normal)));
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self.register_and_return()
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}
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}
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E(K::Char('H'), M::CTRL) |
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E(K::Backspace, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::Delete));
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self.pending_cmd.set_motion(MotionCmd(1,Motion::BackwardChar));
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self.register_and_return()
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}
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E(K::BackTab, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::CompleteBackward));
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self.register_and_return()
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}
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E(K::Char('I'), M::CTRL) |
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E(K::Tab, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::Complete));
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self.register_and_return()
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}
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E(K::Esc, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::NormalMode));
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self.pending_cmd.set_motion(MotionCmd(1,Motion::BackwardChar));
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self.register_and_return()
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}
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_ => common_cmds(key)
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}
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}
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fn is_repeatable(&self) -> bool {
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true
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}
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fn as_replay(&self) -> Option<CmdReplay> {
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Some(CmdReplay::mode(self.cmds.clone(), self.repeat_count))
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}
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fn cursor_style(&self) -> String {
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"\x1b[6 q".to_string()
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}
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fn pending_seq(&self) -> Option<String> {
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None
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}
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fn move_cursor_on_undo(&self) -> bool {
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true
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}
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fn clamp_cursor(&self) -> bool {
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false
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}
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}
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#[derive(Default,Debug)]
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pub struct ViReplace {
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cmds: Vec<ViCmd>,
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pending_cmd: ViCmd,
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repeat_count: u16
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}
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impl ViReplace {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn with_count(mut self, repeat_count: u16) -> Self {
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self.repeat_count = repeat_count;
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self
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}
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pub fn register_and_return(&mut self) -> Option<ViCmd> {
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let cmd = self.take_cmd();
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self.register_cmd(&cmd);
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Some(cmd)
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}
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pub fn ctrl_w_is_undo(&self) -> bool {
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let insert_count = self.cmds.iter().filter(|cmd| {
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matches!(cmd.verb(),Some(VerbCmd(1, Verb::ReplaceChar(_))))
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}).count();
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let backspace_count = self.cmds.iter().filter(|cmd| {
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matches!(cmd.verb(),Some(VerbCmd(1, Verb::Delete)))
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}).count();
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insert_count > backspace_count
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}
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pub fn register_cmd(&mut self, cmd: &ViCmd) {
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self.cmds.push(cmd.clone())
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}
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pub fn take_cmd(&mut self) -> ViCmd {
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std::mem::take(&mut self.pending_cmd)
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}
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}
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impl ViMode for ViReplace {
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fn handle_key(&mut self, key: E) -> Option<ViCmd> {
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match key {
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E(K::Char(ch), M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::ReplaceChar(ch)));
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self.pending_cmd.set_motion(MotionCmd(1,Motion::ForwardChar));
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self.register_and_return()
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}
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E(K::Char('W'), M::CTRL) => {
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if self.ctrl_w_is_undo() {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::Undo));
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self.cmds.clear();
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Some(self.take_cmd())
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} else {
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self.pending_cmd.set_motion(MotionCmd(1, Motion::BackwardWord(To::Start, Word::Normal)));
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self.register_and_return()
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}
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}
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E(K::Char('H'), M::CTRL) |
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E(K::Backspace, M::NONE) => {
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self.pending_cmd.set_motion(MotionCmd(1,Motion::BackwardChar));
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self.register_and_return()
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}
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E(K::BackTab, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::CompleteBackward));
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self.register_and_return()
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}
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E(K::Char('I'), M::CTRL) |
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E(K::Tab, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::Complete));
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self.register_and_return()
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}
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E(K::Esc, M::NONE) => {
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self.pending_cmd.set_verb(VerbCmd(1,Verb::NormalMode));
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self.pending_cmd.set_motion(MotionCmd(1,Motion::BackwardChar));
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self.register_and_return()
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}
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_ => common_cmds(key)
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}
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}
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fn is_repeatable(&self) -> bool {
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true
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}
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fn cursor_style(&self) -> String {
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"\x1b[4 q".to_string()
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}
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fn pending_seq(&self) -> Option<String> {
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None
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}
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fn as_replay(&self) -> Option<CmdReplay> {
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Some(CmdReplay::mode(self.cmds.clone(), self.repeat_count))
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}
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fn move_cursor_on_undo(&self) -> bool {
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true
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}
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fn clamp_cursor(&self) -> bool {
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true
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}
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}
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#[derive(Default,Debug)]
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pub struct ViNormal {
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pending_seq: String,
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}
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impl ViNormal {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn clear_cmd(&mut self) {
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self.pending_seq = String::new();
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}
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pub fn take_cmd(&mut self) -> String {
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std::mem::take(&mut self.pending_seq)
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}
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fn validate_combination(&self, verb: Option<&Verb>, motion: Option<&Motion>) -> CmdState {
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if verb.is_none() {
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match motion {
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Some(Motion::TextObj(_,_)) => return CmdState::Invalid,
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Some(_) => return CmdState::Complete,
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None => return CmdState::Pending
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}
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}
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if verb.is_some() && motion.is_none() {
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match verb.unwrap() {
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Verb::Put(_) |
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Verb::DeleteChar(_) => CmdState::Complete,
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_ => CmdState::Pending
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}
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} else {
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CmdState::Complete
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}
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}
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pub fn parse_count(&self, chars: &mut Peekable<Chars<'_>>) -> Option<usize> {
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let mut count = String::new();
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let Some(_digit @ '1'..='9') = chars.peek() else {
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return None
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};
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count.push(chars.next().unwrap());
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while let Some(_digit @ '0'..='9') = chars.peek() {
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count.push(chars.next().unwrap());
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}
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if !count.is_empty() {
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count.parse::<usize>().ok()
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} else {
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None
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}
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}
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/// End the parse and clear the pending sequence
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pub fn quit_parse(&mut self) -> Option<ViCmd> {
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flog!(WARN, "exiting parse early with sequence: {}",self.pending_seq);
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self.clear_cmd();
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None
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}
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pub fn try_parse(&mut self, ch: char) -> Option<ViCmd> {
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self.pending_seq.push(ch);
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flog!(DEBUG, self.pending_seq);
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let mut chars = self.pending_seq.chars().peekable();
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let register = 'reg_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone);
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let Some('"') = chars_clone.next() else {
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break 'reg_parse RegisterName::default()
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};
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let Some(reg_name) = chars_clone.next() else {
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return None // Pending register name
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};
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match reg_name {
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'a'..='z' |
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'A'..='Z' => { /* proceed */ }
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_ => return self.quit_parse()
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}
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chars = chars_clone;
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RegisterName::new(Some(reg_name), count)
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};
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let verb = 'verb_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone).unwrap_or(1);
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let Some(ch) = chars_clone.next() else {
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break 'verb_parse None
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};
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flog!(DEBUG, "parsing verb char '{}'",ch);
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match ch {
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'.' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::RepeatLast)),
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motion: None,
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raw_seq: self.take_cmd(),
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}
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)
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}
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'x' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::DeleteChar(Anchor::After)));
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}
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'X' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::DeleteChar(Anchor::Before)));
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}
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'p' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Put(Anchor::After)));
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}
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'P' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Put(Anchor::Before)));
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}
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'r' => {
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let ch = chars_clone.next()?;
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(1, Verb::ReplaceChar(ch))),
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motion: Some(MotionCmd(count, Motion::ForwardChar)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'R' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::ReplaceMode)),
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motion: None,
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raw_seq: self.take_cmd()
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}
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)
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}
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'~' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(1, Verb::ToggleCase)),
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motion: Some(MotionCmd(count, Motion::ForwardChar)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'u' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Undo)),
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motion: None,
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raw_seq: self.take_cmd()
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}
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)
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}
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'o' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertModeLineBreak(Anchor::After))),
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motion: None,
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raw_seq: self.take_cmd()
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}
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)
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}
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'O' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertModeLineBreak(Anchor::Before))),
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motion: None,
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raw_seq: self.take_cmd()
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}
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)
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}
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'a' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::ForwardChar)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'A' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'i' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: None,
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raw_seq: self.take_cmd()
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}
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)
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}
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'I' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::InsertMode)),
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motion: Some(MotionCmd(1, Motion::BeginningOfFirstWord)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'y' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Yank))
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}
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'd' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Delete))
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}
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'c' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Change))
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}
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'Y' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Yank)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'D' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Delete)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'C' => {
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return Some(
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ViCmd {
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register,
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verb: Some(VerbCmd(count, Verb::Change)),
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motion: Some(MotionCmd(1, Motion::EndOfLine)),
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raw_seq: self.take_cmd()
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}
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)
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}
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'=' => {
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chars = chars_clone;
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break 'verb_parse Some(VerbCmd(count, Verb::Equalize))
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}
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_ => break 'verb_parse None
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}
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};
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let motion = 'motion_parse: {
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let mut chars_clone = chars.clone();
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let count = self.parse_count(&mut chars_clone).unwrap_or(1);
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let Some(ch) = chars_clone.next() else {
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break 'motion_parse None
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};
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flog!(DEBUG, "parsing motion char '{}'",ch);
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match (ch, &verb) {
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('d', Some(VerbCmd(_,Verb::Delete))) |
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('c', Some(VerbCmd(_,Verb::Change))) |
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('y', Some(VerbCmd(_,Verb::Yank))) |
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('>', Some(VerbCmd(_,Verb::Indent))) |
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('<', Some(VerbCmd(_,Verb::Dedent))) => break 'motion_parse Some(MotionCmd(count, Motion::WholeLine)),
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_ => {}
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}
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match ch {
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'g' => {
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if let Some(ch) = chars_clone.peek() {
|
|
match ch {
|
|
'g' => {
|
|
chars_clone.next();
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfBuffer))
|
|
}
|
|
'e' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardWord(To::End, Word::Normal)));
|
|
}
|
|
'E' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardWord(To::End, Word::Big)));
|
|
}
|
|
_ => return self.quit_parse()
|
|
}
|
|
} else {
|
|
break 'motion_parse None
|
|
}
|
|
}
|
|
'f' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(count, Motion::CharSearch(Direction::Forward, Dest::On, (*ch).into())))
|
|
}
|
|
'F' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(count, Motion::CharSearch(Direction::Backward, Dest::On, (*ch).into())))
|
|
}
|
|
't' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(count, Motion::CharSearch(Direction::Forward, Dest::Before, (*ch).into())))
|
|
}
|
|
'T' => {
|
|
let Some(ch) = chars_clone.peek() else {
|
|
break 'motion_parse None
|
|
};
|
|
|
|
break 'motion_parse Some(MotionCmd(count, Motion::CharSearch(Direction::Backward, Dest::Before, (*ch).into())))
|
|
}
|
|
';' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::RepeatMotion));
|
|
}
|
|
',' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::RepeatMotionRev));
|
|
}
|
|
'|' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(1, Motion::ToColumn(count)));
|
|
}
|
|
'0' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BeginningOfLine));
|
|
}
|
|
'$' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::EndOfLine));
|
|
}
|
|
'k' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::LineUp));
|
|
}
|
|
'j' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::LineDown));
|
|
}
|
|
'h' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardChar));
|
|
}
|
|
'l' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardChar));
|
|
}
|
|
'w' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardWord(To::Start, Word::Normal)));
|
|
}
|
|
'W' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardWord(To::Start, Word::Big)));
|
|
}
|
|
'e' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardWord(To::End, Word::Normal)));
|
|
}
|
|
'E' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::ForwardWord(To::End, Word::Big)));
|
|
}
|
|
'b' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardWord(To::Start, Word::Normal)));
|
|
}
|
|
'B' => {
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::BackwardWord(To::Start, Word::Big)));
|
|
}
|
|
ch if ch == 'i' || ch == 'a' => {
|
|
let bound = match ch {
|
|
'i' => Bound::Inside,
|
|
'a' => Bound::Around,
|
|
_ => unreachable!()
|
|
};
|
|
if chars_clone.peek().is_none() {
|
|
break 'motion_parse None
|
|
}
|
|
let obj = match chars_clone.next().unwrap() {
|
|
'w' => TextObj::Word(Word::Normal),
|
|
'W' => TextObj::Word(Word::Big),
|
|
'"' => TextObj::DoubleQuote,
|
|
'\'' => TextObj::SingleQuote,
|
|
'(' | ')' | 'b' => TextObj::Paren,
|
|
'{' | '}' | 'B' => TextObj::Brace,
|
|
'[' | ']' => TextObj::Bracket,
|
|
'<' | '>' => TextObj::Angle,
|
|
_ => return self.quit_parse()
|
|
};
|
|
chars = chars_clone;
|
|
break 'motion_parse Some(MotionCmd(count, Motion::TextObj(obj, bound)))
|
|
}
|
|
_ => return self.quit_parse(),
|
|
}
|
|
};
|
|
|
|
if chars.peek().is_some() {
|
|
flog!(WARN, "Unused characters in Vi command parse!");
|
|
flog!(WARN, "{:?}",chars)
|
|
}
|
|
|
|
let verb_ref = verb.as_ref().map(|v| &v.1);
|
|
let motion_ref = motion.as_ref().map(|m| &m.1);
|
|
|
|
match self.validate_combination(verb_ref, motion_ref) {
|
|
CmdState::Complete => {
|
|
let cmd = Some(
|
|
ViCmd {
|
|
register,
|
|
verb,
|
|
motion,
|
|
raw_seq: std::mem::take(&mut self.pending_seq)
|
|
}
|
|
);
|
|
flog!(DEBUG, cmd);
|
|
cmd
|
|
}
|
|
CmdState::Pending => {
|
|
flog!(DEBUG, "pending sequence: {}", self.pending_seq);
|
|
None
|
|
}
|
|
CmdState::Invalid => {
|
|
flog!(DEBUG, "invalid sequence: {}",self.pending_seq);
|
|
self.pending_seq.clear();
|
|
None
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl ViMode for ViNormal {
|
|
fn handle_key(&mut self, key: E) -> Option<ViCmd> {
|
|
flog!(DEBUG, key);
|
|
match key {
|
|
E(K::Char(ch), M::NONE) => self.try_parse(ch),
|
|
E(K::Backspace, M::NONE) => {
|
|
Some(ViCmd {
|
|
register: Default::default(),
|
|
verb: None,
|
|
motion: Some(MotionCmd(1, Motion::BackwardChar)),
|
|
raw_seq: "".into(),
|
|
})
|
|
}
|
|
E(K::Char('R'), M::CTRL) => {
|
|
let mut chars = self.pending_seq.chars().peekable();
|
|
let count = self.parse_count(&mut chars).unwrap_or(1);
|
|
Some(
|
|
ViCmd {
|
|
register: RegisterName::default(),
|
|
verb: Some(VerbCmd(count,Verb::Redo)),
|
|
motion: None,
|
|
raw_seq: self.take_cmd()
|
|
}
|
|
)
|
|
}
|
|
E(K::Esc, M::NONE) => {
|
|
self.clear_cmd();
|
|
None
|
|
}
|
|
_ => {
|
|
if let Some(cmd) = common_cmds(key) {
|
|
self.clear_cmd();
|
|
Some(cmd)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn is_repeatable(&self) -> bool {
|
|
false
|
|
}
|
|
|
|
fn as_replay(&self) -> Option<CmdReplay> {
|
|
None
|
|
}
|
|
|
|
fn cursor_style(&self) -> String {
|
|
"\x1b[2 q".to_string()
|
|
}
|
|
|
|
fn pending_seq(&self) -> Option<String> {
|
|
Some(self.pending_seq.clone())
|
|
}
|
|
|
|
fn move_cursor_on_undo(&self) -> bool {
|
|
false
|
|
}
|
|
fn clamp_cursor(&self) -> bool {
|
|
true
|
|
}
|
|
}
|
|
|
|
pub fn common_cmds(key: E) -> Option<ViCmd> {
|
|
let mut pending_cmd = ViCmd::new();
|
|
match key {
|
|
E(K::Home, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::BeginningOfLine)),
|
|
E(K::End, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::EndOfLine)),
|
|
E(K::Left, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::BackwardChar)),
|
|
E(K::Right, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::ForwardChar)),
|
|
E(K::Up, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::LineUp)),
|
|
E(K::Down, M::NONE) => pending_cmd.set_motion(MotionCmd(1,Motion::LineDown)),
|
|
E(K::Enter, M::NONE) => pending_cmd.set_verb(VerbCmd(1,Verb::AcceptLine)),
|
|
E(K::Char('D'), M::CTRL) => pending_cmd.set_verb(VerbCmd(1,Verb::EndOfFile)),
|
|
E(K::Delete, M::NONE) => pending_cmd.set_verb(VerbCmd(1,Verb::DeleteChar(Anchor::After))),
|
|
E(K::Backspace, M::NONE) |
|
|
E(K::Char('H'), M::CTRL) => pending_cmd.set_verb(VerbCmd(1,Verb::DeleteChar(Anchor::Before))),
|
|
_ => return None
|
|
}
|
|
Some(pending_cmd)
|
|
}
|