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| -rw-r--r-- | src/main.rs | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs index 9c9c50d7..1c1397d0 100644 --- a/src/main.rs +++ b/src/main.rs @@ -85,6 +85,80 @@ fn main() { // Load command line options let options = cli::Options::load(); + // Run alacritty + run(config, options); +} + +/// Run Alacritty +/// +/// Currently, these operations take place in this order. +/// 1. create a window +/// 2. create font rasterizer +/// 3. create quad renderer +/// 4. create glyph cache +/// 5. resize window/renderer using info from glyph cache / rasterizer +/// 6. create a pty +/// 7. create the terminal +/// 8. set resize callback on the window +/// 9. create event loop +/// 10. create display +/// 11. create input processor +/// 12. create config reloader +/// 13. enter main loop +/// +/// Observations: +/// * The window + quad renderer + glyph cache and display are closely +/// related Actually, probably include the input processor as well. +/// The resize callback can be lumped in there and that resize step. +/// Rasterizer as well. Maybe we can lump *all* of this into the +/// `Display`. +/// * the pty and event loop closely related +/// * The term bridges the display and pty +/// * Main loop currently manages input, config reload events, drawing, and +/// exiting +/// +/// It would be *really* great if this could read more like +/// +/// ```ignore +/// let display = Display::new(args..); +/// let pty = Pty::new(display.size()); +/// let term = Arc::new(Term::new(display.size()); +/// let io_loop = Loop::new(Pty::new(display.size()), term.clone()); +/// let config_reloader = config::Monitor::new(&config); +/// +/// loop { +/// force_draw = false; +/// // Wait for something to happen +/// processor.process_events(&display); +/// +/// // Handle config reloads +/// if let Ok(config) = config_rx.try_recv() { +/// force_draw = true; +/// display.update_config(&config); +/// processor.update_config(&config); +/// } +/// +/// // Maybe draw the terminal +/// let terminal = terminal.lock(); +/// signal_flag.set(false); +/// if force_draw || terminal.dirty { +/// display.draw(terminal, &config); +/// drop(terminal); +/// display.swap_buffers(); +/// } +/// +/// // Begin shutdown if the flag was raised. +/// if process_should_exit() { +/// break; +/// } +/// } +/// ``` +/// +/// instead of the 200 line monster it currently is. +/// +fn run(config: Config, options: cli::Options) { + + // Extract some properties from config let font = config.font(); let dpi = config.dpi(); |