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progress toward splitting main into bridge

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macos-click-through
keith 5 years ago
parent b3647d69c4
commit 35a675c8a4
9 changed files with 938 additions and 913 deletions
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1200
src/events.rs → src/bridge/events.rs
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27
src/bridge/handler.rs
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use std::sync::{Arc, Mutex};
use rmpv::Value;
use nvim_rs::{Neovim, Handler, compat::tokio::Compat};
use async_trait::async_trait;
use tokio::process::ChildStdin;
use crate::error_handling::ResultPanicExplanation;
use crate::editor::Editor;
use super::events::parse_neovim_event;
#[derive(Clone)]
pub struct NeovimHandler(pub Arc<Mutex<Editor>>);
#[async_trait]
impl Handler for NeovimHandler {
type Writer = Compat<ChildStdin>;
async fn handle_notify(&self, event_name: String, arguments: Vec<Value>, _neovim: Neovim<Compat<ChildStdin>>) {
let parsed_events = parse_neovim_event(event_name, arguments)
.unwrap_or_explained_panic("Could not parse event", "Could not parse event from neovim");
for event in parsed_events {
let mut editor = self.0.lock().unwrap();
editor.handle_redraw_event(event);
}
}
}

344
src/keybindings.rs → src/bridge/keybindings.rs
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use skulpin::winit::event::{KeyboardInput, ElementState, ModifiersState, VirtualKeyCode};
fn parse_keycode(keycode: VirtualKeyCode) -> Option<(String, bool)> {
match keycode {
VirtualKeyCode::Key1 => Some(("1".to_string(), false)),
VirtualKeyCode::Key2 => Some(("2".to_string(), false)),
VirtualKeyCode::Key3 => Some(("3".to_string(), false)),
VirtualKeyCode::Key4 => Some(("4".to_string(), false)),
VirtualKeyCode::Key5 => Some(("5".to_string(), false)),
VirtualKeyCode::Key6 => Some(("6".to_string(), false)),
VirtualKeyCode::Key7 => Some(("7".to_string(), false)),
VirtualKeyCode::Key8 => Some(("8".to_string(), false)),
VirtualKeyCode::Key9 => Some(("9".to_string(), false)),
VirtualKeyCode::Key0 => Some(("0".to_string(), false)),
VirtualKeyCode::A => Some(("a".to_string(), false)),
VirtualKeyCode::B => Some(("b".to_string(), false)),
VirtualKeyCode::C => Some(("c".to_string(), false)),
VirtualKeyCode::D => Some(("d".to_string(), false)),
VirtualKeyCode::E => Some(("e".to_string(), false)),
VirtualKeyCode::F => Some(("f".to_string(), false)),
VirtualKeyCode::G => Some(("g".to_string(), false)),
VirtualKeyCode::H => Some(("h".to_string(), false)),
VirtualKeyCode::I => Some(("i".to_string(), false)),
VirtualKeyCode::J => Some(("j".to_string(), false)),
VirtualKeyCode::K => Some(("k".to_string(), false)),
VirtualKeyCode::L => Some(("l".to_string(), false)),
VirtualKeyCode::M => Some(("m".to_string(), false)),
VirtualKeyCode::N => Some(("n".to_string(), false)),
VirtualKeyCode::O => Some(("o".to_string(), false)),
VirtualKeyCode::P => Some(("p".to_string(), false)),
VirtualKeyCode::Q => Some(("q".to_string(), false)),
VirtualKeyCode::R => Some(("r".to_string(), false)),
VirtualKeyCode::S => Some(("s".to_string(), false)),
VirtualKeyCode::T => Some(("t".to_string(), false)),
VirtualKeyCode::U => Some(("u".to_string(), false)),
VirtualKeyCode::V => Some(("v".to_string(), false)),
VirtualKeyCode::W => Some(("w".to_string(), false)),
VirtualKeyCode::X => Some(("x".to_string(), false)),
VirtualKeyCode::Y => Some(("y".to_string(), false)),
VirtualKeyCode::Z => Some(("z".to_string(), false)),
VirtualKeyCode::Escape => Some(("ESC".to_string(), true)),
VirtualKeyCode::F1 => Some(("F1".to_string(), true)),
VirtualKeyCode::F2 => Some(("F2".to_string(), true)),
VirtualKeyCode::F3 => Some(("F3".to_string(), true)),
VirtualKeyCode::F4 => Some(("F4".to_string(), true)),
VirtualKeyCode::F5 => Some(("F5".to_string(), true)),
VirtualKeyCode::F6 => Some(("F6".to_string(), true)),
VirtualKeyCode::F7 => Some(("F7".to_string(), true)),
VirtualKeyCode::F8 => Some(("F8".to_string(), true)),
VirtualKeyCode::F9 => Some(("F9".to_string(), true)),
VirtualKeyCode::F10 => Some(("F10".to_string(), true)),
VirtualKeyCode::F11 => Some(("F11".to_string(), true)),
VirtualKeyCode::F12 => Some(("F12".to_string(), true)),
VirtualKeyCode::F13 => Some(("F13".to_string(), true)),
VirtualKeyCode::F14 => Some(("F14".to_string(), true)),
VirtualKeyCode::F15 => Some(("F15".to_string(), true)),
VirtualKeyCode::F16 => Some(("F16".to_string(), true)),
VirtualKeyCode::F17 => Some(("F17".to_string(), true)),
VirtualKeyCode::F18 => Some(("F18".to_string(), true)),
VirtualKeyCode::F19 => Some(("F19".to_string(), true)),
VirtualKeyCode::F20 => Some(("F20".to_string(), true)),
VirtualKeyCode::F21 => Some(("F21".to_string(), true)),
VirtualKeyCode::F22 => Some(("F22".to_string(), true)),
VirtualKeyCode::F23 => Some(("F23".to_string(), true)),
VirtualKeyCode::F24 => Some(("F24".to_string(), true)),
VirtualKeyCode::Insert => Some(("Insert".to_string(), true)),
VirtualKeyCode::Home => Some(("Home".to_string(), true)),
VirtualKeyCode::Delete => Some(("Delete".to_string(), true)),
VirtualKeyCode::End => Some(("End".to_string(), true)),
VirtualKeyCode::PageDown => Some(("PageDown".to_string(), true)),
VirtualKeyCode::PageUp => Some(("PageUp".to_string(), true)),
VirtualKeyCode::Left => Some(("Left".to_string(), true)),
VirtualKeyCode::Up => Some(("Up".to_string(), true)),
VirtualKeyCode::Right => Some(("Right".to_string(), true)),
VirtualKeyCode::Down => Some(("Down".to_string(), true)),
VirtualKeyCode::Back => Some(("BS".to_string(), true)),
VirtualKeyCode::Return => Some(("Enter".to_string(), true)),
VirtualKeyCode::Space => Some(("Space".to_string(), true)),
VirtualKeyCode::Caret => Some(("^".to_string(), false)),
VirtualKeyCode::Apostrophe => Some(("'".to_string(), false)),
VirtualKeyCode::Backslash => Some(("Bslash".to_string(), true)),
VirtualKeyCode::Colon => Some((":".to_string(), false)),
VirtualKeyCode::Comma => Some((",".to_string(), false)),
VirtualKeyCode::Equals => Some(("=".to_string(), false)),
VirtualKeyCode::Grave => Some(("`".to_string(), false)),
VirtualKeyCode::LBracket => Some(("[".to_string(), false)),
VirtualKeyCode::Minus => Some(("-".to_string(), false)),
VirtualKeyCode::Period => Some((".".to_string(), false)),
VirtualKeyCode::RBracket => Some(("]".to_string(), false)),
VirtualKeyCode::Semicolon => Some((";".to_string(), false)),
VirtualKeyCode::Slash => Some(("/".to_string(), false)),
VirtualKeyCode::Tab => Some(("Tab".to_string(), true)),
_ => None
}
}
fn append_modifiers(modifiers: ModifiersState, keycode_text: String, special: bool) -> String {
let mut result = keycode_text;
let mut special = special;
if modifiers.shift() {
result = match result.as_ref() {
"1" => "!".to_string(),
"2" => "@".to_string(),
"3" => "#".to_string(),
"4" => "$".to_string(),
"5" => "%".to_string(),
"6" => "^".to_string(),
"7" => "&".to_string(),
"8" => "*".to_string(),
"9" => "(".to_string(),
"0" => ")".to_string(),
"'" => "\"".to_string(),
"Bslash" => {
special = false;
"|".to_string()
},
"," => {
special = true;
"lt".to_string()
},
"=" => "+".to_string(),
"`" => "~".to_string(),
"[" => "{".to_string(),
"-" => "_".to_string(),
"." => ">".to_string(),
"]" => "}".to_string(),
";" => ":".to_string(),
"/" => "?".to_string(),
other => {
special = true;
format!("S-{}", other)
}
};
}
if modifiers.ctrl() {
special = true;
result = format!("C-{}", result);
}
if modifiers.alt() {
special = true;
result = format!("M-{}", result);
}
if modifiers.logo() {
special = true;
result = format!("D-{}", result);
}
if special {
result = format!("<{}>", result);
}
result
}
pub fn construct_keybinding_string(input: KeyboardInput) -> Option<String> {
match input {
KeyboardInput {
state: ElementState::Pressed,
virtual_keycode: Some(keycode),
modifiers,
..
} => {
if let Some((keycode_text, special)) = parse_keycode(keycode) {
Some(append_modifiers(modifiers, keycode_text, special))
} else {
None
}
},
_ => None
}
}
use skulpin::winit::event::{KeyboardInput, ElementState, ModifiersState, VirtualKeyCode};
fn parse_keycode(keycode: VirtualKeyCode) -> Option<(String, bool)> {
match keycode {
VirtualKeyCode::Key1 => Some(("1".to_string(), false)),
VirtualKeyCode::Key2 => Some(("2".to_string(), false)),
VirtualKeyCode::Key3 => Some(("3".to_string(), false)),
VirtualKeyCode::Key4 => Some(("4".to_string(), false)),
VirtualKeyCode::Key5 => Some(("5".to_string(), false)),
VirtualKeyCode::Key6 => Some(("6".to_string(), false)),
VirtualKeyCode::Key7 => Some(("7".to_string(), false)),
VirtualKeyCode::Key8 => Some(("8".to_string(), false)),
VirtualKeyCode::Key9 => Some(("9".to_string(), false)),
VirtualKeyCode::Key0 => Some(("0".to_string(), false)),
VirtualKeyCode::A => Some(("a".to_string(), false)),
VirtualKeyCode::B => Some(("b".to_string(), false)),
VirtualKeyCode::C => Some(("c".to_string(), false)),
VirtualKeyCode::D => Some(("d".to_string(), false)),
VirtualKeyCode::E => Some(("e".to_string(), false)),
VirtualKeyCode::F => Some(("f".to_string(), false)),
VirtualKeyCode::G => Some(("g".to_string(), false)),
VirtualKeyCode::H => Some(("h".to_string(), false)),
VirtualKeyCode::I => Some(("i".to_string(), false)),
VirtualKeyCode::J => Some(("j".to_string(), false)),
VirtualKeyCode::K => Some(("k".to_string(), false)),
VirtualKeyCode::L => Some(("l".to_string(), false)),
VirtualKeyCode::M => Some(("m".to_string(), false)),
VirtualKeyCode::N => Some(("n".to_string(), false)),
VirtualKeyCode::O => Some(("o".to_string(), false)),
VirtualKeyCode::P => Some(("p".to_string(), false)),
VirtualKeyCode::Q => Some(("q".to_string(), false)),
VirtualKeyCode::R => Some(("r".to_string(), false)),
VirtualKeyCode::S => Some(("s".to_string(), false)),
VirtualKeyCode::T => Some(("t".to_string(), false)),
VirtualKeyCode::U => Some(("u".to_string(), false)),
VirtualKeyCode::V => Some(("v".to_string(), false)),
VirtualKeyCode::W => Some(("w".to_string(), false)),
VirtualKeyCode::X => Some(("x".to_string(), false)),
VirtualKeyCode::Y => Some(("y".to_string(), false)),
VirtualKeyCode::Z => Some(("z".to_string(), false)),
VirtualKeyCode::Escape => Some(("ESC".to_string(), true)),
VirtualKeyCode::F1 => Some(("F1".to_string(), true)),
VirtualKeyCode::F2 => Some(("F2".to_string(), true)),
VirtualKeyCode::F3 => Some(("F3".to_string(), true)),
VirtualKeyCode::F4 => Some(("F4".to_string(), true)),
VirtualKeyCode::F5 => Some(("F5".to_string(), true)),
VirtualKeyCode::F6 => Some(("F6".to_string(), true)),
VirtualKeyCode::F7 => Some(("F7".to_string(), true)),
VirtualKeyCode::F8 => Some(("F8".to_string(), true)),
VirtualKeyCode::F9 => Some(("F9".to_string(), true)),
VirtualKeyCode::F10 => Some(("F10".to_string(), true)),
VirtualKeyCode::F11 => Some(("F11".to_string(), true)),
VirtualKeyCode::F12 => Some(("F12".to_string(), true)),
VirtualKeyCode::F13 => Some(("F13".to_string(), true)),
VirtualKeyCode::F14 => Some(("F14".to_string(), true)),
VirtualKeyCode::F15 => Some(("F15".to_string(), true)),
VirtualKeyCode::F16 => Some(("F16".to_string(), true)),
VirtualKeyCode::F17 => Some(("F17".to_string(), true)),
VirtualKeyCode::F18 => Some(("F18".to_string(), true)),
VirtualKeyCode::F19 => Some(("F19".to_string(), true)),
VirtualKeyCode::F20 => Some(("F20".to_string(), true)),
VirtualKeyCode::F21 => Some(("F21".to_string(), true)),
VirtualKeyCode::F22 => Some(("F22".to_string(), true)),
VirtualKeyCode::F23 => Some(("F23".to_string(), true)),
VirtualKeyCode::F24 => Some(("F24".to_string(), true)),
VirtualKeyCode::Insert => Some(("Insert".to_string(), true)),
VirtualKeyCode::Home => Some(("Home".to_string(), true)),
VirtualKeyCode::Delete => Some(("Delete".to_string(), true)),
VirtualKeyCode::End => Some(("End".to_string(), true)),
VirtualKeyCode::PageDown => Some(("PageDown".to_string(), true)),
VirtualKeyCode::PageUp => Some(("PageUp".to_string(), true)),
VirtualKeyCode::Left => Some(("Left".to_string(), true)),
VirtualKeyCode::Up => Some(("Up".to_string(), true)),
VirtualKeyCode::Right => Some(("Right".to_string(), true)),
VirtualKeyCode::Down => Some(("Down".to_string(), true)),
VirtualKeyCode::Back => Some(("BS".to_string(), true)),
VirtualKeyCode::Return => Some(("Enter".to_string(), true)),
VirtualKeyCode::Space => Some(("Space".to_string(), true)),
VirtualKeyCode::Caret => Some(("^".to_string(), false)),
VirtualKeyCode::Apostrophe => Some(("'".to_string(), false)),
VirtualKeyCode::Backslash => Some(("Bslash".to_string(), true)),
VirtualKeyCode::Colon => Some((":".to_string(), false)),
VirtualKeyCode::Comma => Some((",".to_string(), false)),
VirtualKeyCode::Equals => Some(("=".to_string(), false)),
VirtualKeyCode::Grave => Some(("`".to_string(), false)),
VirtualKeyCode::LBracket => Some(("[".to_string(), false)),
VirtualKeyCode::Minus => Some(("-".to_string(), false)),
VirtualKeyCode::Period => Some((".".to_string(), false)),
VirtualKeyCode::RBracket => Some(("]".to_string(), false)),
VirtualKeyCode::Semicolon => Some((";".to_string(), false)),
VirtualKeyCode::Slash => Some(("/".to_string(), false)),
VirtualKeyCode::Tab => Some(("Tab".to_string(), true)),
_ => None
}
}
fn append_modifiers(modifiers: ModifiersState, keycode_text: String, special: bool) -> String {
let mut result = keycode_text;
let mut special = special;
if modifiers.shift() {
result = match result.as_ref() {
"1" => "!".to_string(),
"2" => "@".to_string(),
"3" => "#".to_string(),
"4" => "$".to_string(),
"5" => "%".to_string(),
"6" => "^".to_string(),
"7" => "&".to_string(),
"8" => "*".to_string(),
"9" => "(".to_string(),
"0" => ")".to_string(),
"'" => "\"".to_string(),
"Bslash" => {
special = false;
"|".to_string()
},
"," => {
special = true;
"lt".to_string()
},
"=" => "+".to_string(),
"`" => "~".to_string(),
"[" => "{".to_string(),
"-" => "_".to_string(),
"." => ">".to_string(),
"]" => "}".to_string(),
";" => ":".to_string(),
"/" => "?".to_string(),
other => {
special = true;
format!("S-{}", other)
}
};
}
if modifiers.ctrl() {
special = true;
result = format!("C-{}", result);
}
if modifiers.alt() {
special = true;
result = format!("M-{}", result);
}
if modifiers.logo() {
special = true;
result = format!("D-{}", result);
}
if special {
result = format!("<{}>", result);
}
result
}
pub fn construct_keybinding_string(input: KeyboardInput) -> Option<String> {
match input {
KeyboardInput {
state: ElementState::Pressed,
virtual_keycode: Some(keycode),
modifiers,
..
} => {
if let Some((keycode_text, special)) = parse_keycode(keycode) {
Some(append_modifiers(modifiers, keycode_text, special))
} else {
None
}
},
_ => None
}
}

89
src/bridge/mod.rs
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mod events;
mod handler;
mod keybindings;
mod ui_commands;
use std::sync::{Arc, Mutex};
use std::process::Stdio;
use rmpv::Value;
use nvim_rs::{create::tokio as create, UiAttachOptions};
use tokio::runtime::Runtime;
use tokio::process::Command;
use tokio::sync::mpsc::UnboundedReceiver;
pub use events::*;
pub use keybindings::*;
pub use ui_commands::UiCommand;
use crate::editor::Editor;
use crate::error_handling::ResultPanicExplanation;
use handler::NeovimHandler;
#[cfg(target_os = "windows")]
fn set_windows_creation_flags(cmd: &mut Command) {
cmd.creation_flags(0x08000000); // CREATE_NO_WINDOW
}
fn create_nvim_command() -> Command {
let mut cmd = Command::new("nvim");
cmd.arg("--embed")
.args(std::env::args().skip(1))
.stderr(Stdio::inherit());
#[cfg(target_os = "windows")]
set_windows_creation_flags(&mut cmd);
cmd
}
async fn start_process(editor: Arc<Mutex<Editor>>, mut receiver: UnboundedReceiver<UiCommand>, grid_dimensions: (u64, u64)) {
let (width, height) = grid_dimensions;
let (mut nvim, io_handler, _) = create::new_child_cmd(&mut create_nvim_command(), NeovimHandler(editor.clone())).await
.unwrap_or_explained_panic("Could not create nvim process", "Could not locate or start the neovim process");
tokio::spawn(async move {
match io_handler.await {
Err(join_error) => eprintln!("Error joining IO loop: '{}'", join_error),
Ok(Err(error)) => eprintln!("Error: '{}'", error),
Ok(Ok(())) => {}
};
std::process::exit(0);
});
nvim.set_var("neovide", Value::Boolean(true)).await
.unwrap_or_explained_panic("Could not communicate.", "Could not communicate with neovim process");
let mut options = UiAttachOptions::new();
options.set_linegrid_external(true);
options.set_rgb(true);
nvim.ui_attach(width as i64, height as i64, &options).await
.unwrap_or_explained_panic("Could not attach.", "Could not attach ui to neovim process");
let nvim = Arc::new(nvim);
loop {
let mut commands = Vec::new();
let mut resize_command = None;
while let Ok(ui_command) = receiver.try_recv() {
if let UiCommand::Resize { .. } = ui_command {
resize_command = Some(ui_command);
} else {
commands.push(ui_command);
}
}
if let Some(resize_command) = resize_command {
commands.push(resize_command);
}
for ui_command in commands.into_iter() {
ui_command.execute(&nvim).await;
}
}
}
pub fn start_nvim(editor: Arc<Mutex<Editor>>, receiver: UnboundedReceiver<UiCommand>, grid_dimensions: (u64, u64)) {
let rt = Runtime::new().unwrap();
rt.spawn(async move {
start_process(editor, receiver, grid_dimensions).await;
});
}

74
src/ui_commands.rs → src/bridge/ui_commands.rs
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use std::sync::Arc;
use nvim_rs::Neovim;
use nvim_rs::compat::tokio::Compat;
use tokio::process::ChildStdin;
#[derive(Debug, Clone)]
pub enum UiCommand {
Resize { width: i64, height: i64 },
Keyboard(String),
MouseButton { action: String, position: (i64, i64) },
Scroll { direction: String, position: (i64, i64) },
Drag(i64, i64)
}
impl UiCommand {
pub async fn execute(self, nvim: &Neovim<Compat<ChildStdin>>) {
match self {
UiCommand::Resize { width, height } =>
nvim.ui_try_resize(width.max(10), height.max(3)).await
.expect("Resize failed"),
UiCommand::Keyboard(input_command) => {
nvim.input(&input_command).await
.expect("Input failed");
},
UiCommand::MouseButton { action, position: (grid_x, grid_y) } =>
nvim.input_mouse("left", &action, "", 0, grid_x, grid_y).await
.expect("Mouse Input Failed"),
UiCommand::Scroll { direction, position: (grid_x, grid_y) } =>
nvim.input_mouse("wheel", &direction, "", 0, grid_x, grid_y).await
.expect("Mouse Scroll Failed"),
UiCommand::Drag(grid_x, grid_y) =>
nvim.input_mouse("left", "drag", "", 0, grid_x, grid_y).await
.expect("Mouse Drag Failed")
}
}
}
use std::sync::Arc;
use nvim_rs::Neovim;
use nvim_rs::compat::tokio::Compat;
use tokio::process::ChildStdin;
#[derive(Debug, Clone)]
pub enum UiCommand {
Resize { width: i64, height: i64 },
Keyboard(String),
MouseButton { action: String, position: (i64, i64) },
Scroll { direction: String, position: (i64, i64) },
Drag(i64, i64)
}
impl UiCommand {
pub async fn execute(self, nvim: &Neovim<Compat<ChildStdin>>) {
match self {
UiCommand::Resize { width, height } =>
nvim.ui_try_resize(width.max(10), height.max(3)).await
.expect("Resize failed"),
UiCommand::Keyboard(input_command) => {
nvim.input(&input_command).await
.expect("Input failed");
},
UiCommand::MouseButton { action, position: (grid_x, grid_y) } =>
nvim.input_mouse("left", &action, "", 0, grid_x, grid_y).await
.expect("Mouse Input Failed"),
UiCommand::Scroll { direction, position: (grid_x, grid_y) } =>
nvim.input_mouse("wheel", &direction, "", 0, grid_x, grid_y).await
.expect("Mouse Scroll Failed"),
UiCommand::Drag(grid_x, grid_y) =>
nvim.input_mouse("left", "drag", "", 0, grid_x, grid_y).await
.expect("Mouse Drag Failed")
}
}
}

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src/editor/command_line.rs
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use std::collections::HashMap;
use crate::events::{RedrawEvent, StyledContent};
use crate::bridge::{RedrawEvent, StyledContent};
use crate::editor::{DrawCommand, Style};
const COMMAND_SCALE: u16 = 2;

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src/editor/mod.rs
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mod cursor;
mod style;
mod command_line;
use std::collections::HashMap;
use std::sync::Arc;
use skulpin::skia_safe::colors;
use skulpin::winit::window::Window;
mod cursor;
mod style;
mod command_line;
pub use cursor::{Cursor, CursorShape, CursorMode};
pub use style::{Colors, Style};
use command_line::CommandLine;
use crate::events::{GridLineCell, GuiOption, RedrawEvent};
use crate::bridge::{GridLineCell, GuiOption, RedrawEvent};
pub type GridCell = Option<(char, Option<Style>)>;

100
src/main.rs
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#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
mod bridge;
mod editor;
mod events;
mod window;
mod keybindings;
mod renderer;
mod error_handling;
mod ui_commands;
#[macro_use] extern crate derive_new;
#[macro_use] extern crate rust_embed;
use std::sync::{Arc, Mutex};
use std::process::Stdio;
use async_trait::async_trait;
use rmpv::Value;
use nvim_rs::{create::tokio as create, Neovim, UiAttachOptions, Handler, compat::tokio::Compat};
use tokio::process::{ChildStdin, Command};
use tokio::task::spawn_blocking;
use tokio::runtime::Runtime;
use tokio::sync::mpsc::{unbounded_channel, UnboundedSender, UnboundedReceiver};
use tokio::sync::mpsc::unbounded_channel;
use window::ui_loop;
use editor::Editor;
use events::parse_neovim_event;
use error_handling::ResultPanicExplanation;
use ui_commands::UiCommand;
use bridge::{start_nvim, UiCommand};
const INITIAL_WIDTH: u64 = 100;
const INITIAL_HEIGHT: u64 = 50;
#[cfg(target_os = "windows")]
fn set_windows_creation_flags(cmd: &mut Command) {
use std::os::windows::process::CommandExt;
cmd.creation_flags(0x08000000); // CREATE_NO_WINDOW
}
fn create_nvim_command() -> Command {
let mut cmd = Command::new("nvim");
cmd.arg("--embed")
.args(std::env::args().skip(1))
.stderr(Stdio::inherit());
#[cfg(target_os = "windows")]
set_windows_creation_flags(&mut cmd);
cmd
}
#[derive(Clone)]
struct NeovimHandler(Arc<Mutex<Editor>>);
#[async_trait]
impl Handler for NeovimHandler {
type Writer = Compat<ChildStdin>;
async fn handle_notify(&self, event_name: String, arguments: Vec<Value>, _neovim: Neovim<Compat<ChildStdin>>) {
let parsed_events = parse_neovim_event(event_name, arguments)
.unwrap_or_explained_panic("Could not parse event", "Could not parse event from neovim");
for event in parsed_events {
let mut editor = self.0.lock().unwrap();
editor.handle_redraw_event(event);
}
}
}
async fn start_nvim(editor: Arc<Mutex<Editor>>, mut receiver: UnboundedReceiver<UiCommand>) {
let (mut nvim, io_handler, _) = create::new_child_cmd(&mut create_nvim_command(), NeovimHandler(editor.clone())).await
.unwrap_or_explained_panic("Could not create nvim process", "Could not locate or start the neovim process");
tokio::spawn(async move {
match io_handler.await {
Err(join_error) => eprintln!("Error joining IO loop: '{}'", join_error),
Ok(Err(error)) => eprintln!("Error: '{}'", error),
Ok(Ok(())) => {}
};
std::process::exit(0);
});
let mut options = UiAttachOptions::new();
options.set_linegrid_external(true);
options.set_rgb(true);
nvim.set_var("neovide", Value::Boolean(true)).await
.unwrap_or_explained_panic("Could not communicate.", "Could not communicate with neovim process");
nvim.ui_attach(INITIAL_WIDTH as i64, INITIAL_HEIGHT as i64, &options).await
.unwrap_or_explained_panic("Could not attach.", "Could not attach ui to neovim process");
let nvim = Arc::new(nvim);
loop {
let mut commands = Vec::new();
let mut resize_command = None;
while let Ok(ui_command) = receiver.try_recv() {
if let UiCommand::Resize { .. } = ui_command {
resize_command = Some(ui_command);
} else {
commands.push(ui_command);
}
}
if let Some(resize_command) = resize_command {
commands.push(resize_command);
}
for ui_command in commands.into_iter() {
ui_command.execute(&nvim).await;
}
}
}
fn main() {
let rt = Runtime::new().unwrap();
let editor = Arc::new(Mutex::new(Editor::new(INITIAL_WIDTH, INITIAL_HEIGHT)));
let (sender, receiver) = unbounded_channel::<UiCommand>();
let editor_clone = editor.clone();
rt.spawn(async move {
start_nvim(editor_clone, receiver).await;
});
start_nvim(editor_clone, receiver, (INITIAL_WIDTH, INITIAL_HEIGHT));
ui_loop(editor, sender, (INITIAL_WIDTH, INITIAL_HEIGHT));
}

4
src/window.rs
Unescape Escape View File

@ -11,9 +11,9 @@ use skulpin::winit::window::{Icon, WindowBuilder};
use tokio::sync::mpsc::UnboundedSender;
use crate::editor::Editor;
use crate::keybindings::construct_keybinding_string;
use crate::bridge::construct_keybinding_string;
use crate::renderer::Renderer;
use crate::ui_commands::UiCommand;
use crate::bridge::UiCommand;
#[derive(RustEmbed)]
#[folder = "assets/"]

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