neovim-gtk/src/main.rs
2017-03-14 22:31:07 +03:00

111 lines
2.8 KiB
Rust

extern crate gtk;
extern crate gtk_sys;
extern crate gio;
extern crate gdk;
extern crate gdk_sys;
extern crate glib;
extern crate cairo;
extern crate pango;
extern crate pangocairo;
extern crate neovim_lib;
extern crate phf;
mod nvim;
mod ui_model;
mod ui;
mod input;
mod settings;
use std::thread;
use std::env;
use gio::ApplicationExt;
const BIN_PATH_ARG: &'static str = "--nvim-bin-path";
fn main() {
let app = gtk::Application::new(Some("org.gtk.neovim-gtk"), gio::ApplicationFlags::empty()).expect("Failed to initialize GTK application");
app.connect_activate(activate);
let args: Vec<String> = env::args().collect();
let mut argv: Vec<&str> = args.iter().filter(|a| !a.starts_with(BIN_PATH_ARG)).map(String::as_str).collect();
if open_arg().is_some() {
argv.pop();
}
app.run(argv.len() as i32, &argv);
}
fn activate(app: &gtk::Application) {
ui::UI.with(|ui_cell| {
let mut ui = ui_cell.borrow_mut();
ui.init(app);
let path = nvim_bin_path(std::env::args());
let open_arg = open_arg();
nvim::initialize(&mut *ui, path.as_ref(), open_arg.as_ref()).expect("Can't start nvim instance");
guard_dispatch_thread(&mut *ui);
});
}
fn nvim_bin_path<I>(args: I) -> Option<String>
where I: Iterator<Item=String>
{
args.skip_while(|a| !a.starts_with(BIN_PATH_ARG))
.map(|p| p.split('=').nth(1).map(str::to_owned))
.nth(0)
.unwrap_or(None)
}
fn open_arg() -> Option<String> {
open_arg_impl(std::env::args())
}
fn open_arg_impl<I>(args: I) -> Option<String>
where I: Iterator<Item=String>
{
args.skip(1).last().map(|a| {
if !a.starts_with("-") {
Some(a.to_owned())
} else {
None
}
}).unwrap_or(None)
}
fn guard_dispatch_thread(ui: &mut ui::Ui) {
let guard = ui.nvim().session.take_dispatch_guard();
thread::spawn(move || {
guard.join().expect("Can't join dispatch thread");
glib::idle_add(move || {
ui::UI.with(|ui_cell| {
ui_cell.borrow().destroy();
});
glib::Continue(false)
});
});
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_bin_path_arg() {
assert_eq!(Some("/test_path".to_string()),
nvim_bin_path(vec!["neovim-gtk", "--nvim-bin-path=/test_path"].iter().map(|s| s.to_string())));
}
#[test]
fn test_open_arg() {
assert_eq!(Some("some_file.txt".to_string()),
open_arg_impl(vec!["neovim-gtk", "--nvim-bin-path=/test_path", "some_file.txt"].iter().map(|s| s.to_string())));
}
#[test]
fn test_empty_open_arg() {
assert_eq!(None,
open_arg_impl(vec!["neovim-gtk"].iter().map(|s| s.to_string())));
}
}