382 lines
13 KiB
Rust
382 lines
13 KiB
Rust
/*
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* meli - bin.rs
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*
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* Copyright 2017-2018 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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//!
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//! This crate contains the frontend stuff of the application. The application entry way on
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//! `src/bin.rs` creates an event loop and passes input to a thread.
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//!
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//! The mail handling stuff is done in the `melib` crate which includes all backend needs. The
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//! split is done to theoretically be able to create different frontends with the same innards.
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//!
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#[allow(unused_variables)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
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// allocator.
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#[cfg(feature = "wee_alloc")]
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extern crate wee_alloc;
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#[cfg(feature = "wee_alloc")]
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#[global_allocator]
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#[cfg(feature = "wee_alloc")]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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mod helpers {
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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extern "C" {
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#[wasm_bindgen(js_namespace = console)]
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pub fn log(s: &str);
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}
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pub use log as js_console;
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pub static ENRON_CONFIG: &'static str = r#"
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[accounts.demo-account]
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root_mailbox = "ermis-f"
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format = "demo"
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index_style = "conversations" # or [plain, threaded, compact]
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identity="frank.ermis@enron.com"
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display_name = "Frank Ermis"
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subscribed_mailboxes = ["*"]
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mailboxes."qenron".listing.index_style = "compact"
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[composing]
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# required for sending e-mail
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send_mail = '/bin/true'
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"#;
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}
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pub use helpers::*;
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#[wasm_bindgen]
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pub fn greet() {
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js_console("Hello, wasm-game-of-life!");
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}
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use std::sync::{Arc, Mutex};
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//use js_sys::{Array, Date};
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//use wasm_bindgen::prelude::*;
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use wasm_bindgen::JsCast;
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use web_sys::CustomEvent;
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use std::collections::VecDeque;
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extern crate xdg_utils;
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#[macro_use]
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extern crate serde_derive;
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extern crate linkify;
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extern crate uuid;
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extern crate bitflags;
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extern crate serde_json;
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#[macro_use]
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extern crate smallvec;
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#[macro_use]
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extern crate melib;
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use melib::*;
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#[macro_use]
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pub mod types;
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use crate::types::*;
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#[macro_use]
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pub mod terminal;
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use crate::terminal::*;
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#[macro_use]
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pub mod command;
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use crate::command::*;
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pub mod state;
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use crate::state::*;
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pub mod components;
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use crate::components::*;
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#[macro_use]
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pub mod conf;
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use crate::conf::*;
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pub mod pool;
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use crate::pool::*;
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#[cfg(feature = "sqlite3")]
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pub mod sqlite3;
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pub mod jobs;
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pub mod mailcap;
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//pub mod plugins;
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//use nix;
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//use std::os::raw::c_int;
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// Called by our JS entry point to run the example
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#[wasm_bindgen(start)]
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pub fn run() -> std::result::Result<(), JsValue> {
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extern crate console_error_panic_hook;
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std::panic::set_hook(Box::new(console_error_panic_hook::hook));
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// Use `web_sys`'s global `window` function to get a handle on the global
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// window object.
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let window = web_sys::window().expect("no global `window` exists");
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let document = window.document().expect("should have a document on window");
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let body = document.body().expect("document should have a body");
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// Manufacture the element we're gonna append
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let root_element = document.get_element_by_id("terminal").unwrap();
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//root_element.set_inner_html("Loading terminal from inside Rust!");
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if let Some(root_element) = wasm_bindgen::JsCast::dyn_ref::<web_sys::HtmlElement>(&root_element)
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{
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root_element.set_tab_index(1);
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}
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//let (sender, receiver) = crossbeam::channel::bounded(32 * ::std::mem::size_of::<ThreadEvent>());
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let state: Arc<Mutex<Option<State>>> = Arc::new(Mutex::new(None));
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{
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let cb = Closure::wrap(Box::new(move |event: web_sys::Event| {
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js_console("cb focus?");
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let target = event.target();
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if let Some(root_element) = target
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.as_ref()
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.and_then(|target| wasm_bindgen::JsCast::dyn_ref::<web_sys::HtmlElement>(target))
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{
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js_console("focus!");
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js_console(&format!("{:?}", root_element.focus()));
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}
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}) as Box<dyn FnMut(_)>);
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root_element
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.add_event_listener_with_callback("touchend", cb.as_ref().unchecked_ref())
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.unwrap();
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cb.forget(); // TODO cycle collect
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}
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{
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let state = state.clone();
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let cb = Closure::wrap(Box::new(move |event: web_sys::Event| {
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if let Some(key_e) = wasm_bindgen::JsCast::dyn_ref::<web_sys::KeyboardEvent>(&event) {
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let mut state_lck = state.lock().unwrap();
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let state_mut = state_lck.as_mut().unwrap();
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js_console(&format!("key event {:?}", key_e));
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let event = ThreadEvent::Input((Key::from(key_e), vec![]));
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state_event_loop(state_mut, event);
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} else {
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js_console(&format!("not key event {:?}", event));
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}
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}) as Box<dyn FnMut(_)>);
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root_element
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.add_event_listener_with_callback("keydown", cb.as_ref().unchecked_ref())
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.unwrap();
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cb.forget(); // TODO cycle collect
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}
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{
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let state = state.clone();
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let cb = Closure::wrap(Box::new(move |event: web_sys::Event| {
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if let Some(customevent) = wasm_bindgen::JsCast::dyn_ref::<CustomEvent>(&event) {
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if let Some(ptr) = customevent.detail().as_f64() {
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let b: Box<ThreadEvent> =
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unsafe { Box::from_raw(ptr as u32 as *mut ThreadEvent) };
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crate::js_console(&format!("received thread event {:?}", b));
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let mut state_lck = state.lock().unwrap();
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let state_mut = state_lck.as_mut().unwrap();
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state_event_loop(state_mut, *b);
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} else if let Some(s) = customevent.detail().as_string() {
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if s == "resize" {
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let b = ThreadEvent::UIEvent(UIEvent::Resize);
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crate::js_console(&format!("received thread event {:?}", b));
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let mut state_lck = state.lock().unwrap();
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let state_mut = state_lck.as_mut().unwrap();
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state_mut.update_size();
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state_mut.render();
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state_mut.redraw();
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} else if s == "pulse" {
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//let b = ThreadEvent::Pulse;
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//crate::js_console(&format!("received thread event {:?}", b));
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//let mut state_lck = state.lock().unwrap();
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//let state_mut = state_lck.as_mut().unwrap();
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//state_mut.redraw();
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}
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}
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} else {
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js_console(&format!("not thread event {:?}", event));
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}
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}) as Box<dyn FnMut(_)>);
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root_element
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.add_event_listener_with_callback("meli-event", cb.as_ref().unchecked_ref())
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.unwrap();
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cb.forget(); // TODO cycle collect
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}
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let mut state_lck = state.lock().unwrap();
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*state_lck = Some(
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State::new(
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None, //Some(Settings::without_accounts().unwrap_or_default()),
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//sender, receiver,
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)
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.unwrap(),
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);
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let state_mut = state_lck.as_mut().unwrap();
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let window = Box::new(Tabbed::new(
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vec![
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Box::new(listing::Listing::new(&mut state_mut.context)),
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Box::new(ContactList::new(&state_mut.context)),
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Box::new(StatusPanel::new(crate::conf::value(
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&state_mut.context,
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"theme_default",
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))),
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],
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&state_mut.context,
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));
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let status_bar = Box::new(StatusBar::new(window));
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state_mut.register_component(status_bar);
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state_mut.render();
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state_mut.redraw();
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state_event_loop(state_mut, ThreadEvent::Pulse);
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/*
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{
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let closure: Closure<FnMut(_)> = Closure::new(move |event: web_sys::MouseEvent| {
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context.begin_path();
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context.move_to(event.offset_x() as f64, event.offset_y() as f64);
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pressed.set(true);
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});
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(canvas.as_ref() as &web_sys::EventTarget)
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.add_event_listener_with_callback("mousedown", closure.as_ref().unchecked_ref())
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.unwrap();
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closure.forget();
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}
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*/
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Ok(())
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}
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fn state_event_loop(state: &mut State, event: ThreadEvent) {
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let mut event_opt = Some(event);
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while let Some(event) = event_opt.take() {
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match event {
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ThreadEvent::Input((k, _)) => {
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match state.mode {
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UIMode::Normal => match k {
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Key::Char('q') | Key::Char('Q') => {
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state.context.replies.push_back(UIEvent::StatusEvent(
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StatusEvent::DisplayMessage(
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"Can't quit. Just close the browser tab.".to_string(),
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),
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));
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state.redraw();
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}
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Key::Char(' ') => {
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state.mode = UIMode::Command;
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state.rcv_event(UIEvent::ChangeMode(UIMode::Command));
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state.redraw();
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}
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key => {
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state.rcv_event(UIEvent::Input(key));
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state.redraw();
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}
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},
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UIMode::Insert => match k {
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Key::Char('\n') | Key::Esc => {
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state.mode = UIMode::Normal;
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state.rcv_event(UIEvent::ChangeMode(UIMode::Normal));
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state.redraw();
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}
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k => {
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state.rcv_event(UIEvent::InsertInput(k));
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state.redraw();
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}
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},
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UIMode::Command => match k {
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Key::Char('\n') | Key::Esc => {
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state.mode = UIMode::Normal;
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state.rcv_event(UIEvent::ChangeMode(UIMode::Normal));
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state.redraw();
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}
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k => {
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state.rcv_event(UIEvent::CmdInput(k));
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state.redraw();
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}
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},
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UIMode::Embed => {
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state.rcv_event(UIEvent::EmbedInput((k, vec![])));
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state.redraw();
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}
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UIMode::Fork => {
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unreachable!("Should not fork in WASM");
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}
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}
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let events: smallvec::SmallVec<[UIEvent; 8]> = state.context.replies();
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if !events.is_empty() {
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for e in events {
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state.rcv_event(e);
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}
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state.redraw();
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}
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}
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ThreadEvent::UIEvent(UIEvent::ChangeMode(f)) => {
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state.mode = f;
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}
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ThreadEvent::UIEvent(e) => {
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state.rcv_event(e);
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state.redraw();
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let events: smallvec::SmallVec<[UIEvent; 8]> = state.context.replies();
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if !events.is_empty() {
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for e in events {
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state.rcv_event(e);
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}
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state.redraw();
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}
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}
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ThreadEvent::JobFinished(job_id) => {
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for account in state.context.accounts.values_mut() {
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if account.process_event(&job_id) {
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break;
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}
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}
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}
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other => {
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js_console(&format!("unused thread event {:?}", other));
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}
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}
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{
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let mut event_queue_lck = state.context.sender.event_queue.lock().unwrap();
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event_opt = event_queue_lck.pop_back();
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}
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'replies_loop: loop {
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let events: smallvec::SmallVec<[UIEvent; 8]> = state.context.replies();
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debug!("replies: {:?}", &events);
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if events.is_empty() {
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break 'replies_loop;
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}
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for e in events {
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state.rcv_event(e);
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}
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state.redraw();
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}
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}
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}
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