111 lines
3.8 KiB
Rust
111 lines
3.8 KiB
Rust
#[macro_use]
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extern crate glium;
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extern crate rand;
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#[macro_use]
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extern crate slog;
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extern crate slog_async;
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extern crate slog_term;
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#[macro_use(define_roles)]
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extern crate smithay;
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extern crate wayland_protocols;
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extern crate wayland_server;
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mod helpers;
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use glium::Surface;
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use helpers::{shell_implementation, surface_implementation, GliumDrawer};
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use slog::{Drain, Logger};
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use smithay::backend::graphics::egl::EGLGraphicsBackend;
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use smithay::backend::graphics::glium::IntoGlium;
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use smithay::backend::input::InputBackend;
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use smithay::backend::winit;
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use smithay::compositor::{compositor_init, SubsurfaceRole, TraversalAction};
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use smithay::compositor::roles::Role;
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use smithay::shell::shell_init;
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use smithay::shm::init_shm_global;
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fn main() {
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// A logger facility, here we use the terminal for this example
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let log = Logger::root(
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slog_async::Async::default(slog_term::term_full().fuse()).fuse(),
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o!(),
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);
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// Initialize a simple backend for testing
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let (renderer, mut input) = winit::init(log.clone()).unwrap();
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let (mut display, mut event_loop) = wayland_server::create_display();
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/*
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* Initialize the globals
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*/
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init_shm_global(&mut event_loop, vec![], log.clone());
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let (compositor_token, _, _) =
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compositor_init(&mut event_loop, surface_implementation(), (), log.clone());
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let (shell_state_token, _, _) = shell_init(
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&mut event_loop,
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compositor_token,
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shell_implementation(),
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compositor_token,
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log.clone(),
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);
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/*
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* Initialize glium
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*/
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let drawer = GliumDrawer::new(renderer.into_glium());
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/*
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* Add a listening socket:
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*/
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let name = display.add_socket_auto().unwrap().into_string().unwrap();
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println!("Listening on socket: {}", name);
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loop {
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input.dispatch_new_events().unwrap();
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let mut frame = drawer.draw();
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frame.clear(None, Some((0.8, 0.8, 0.9, 1.0)), false, None, None);
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// redraw the frame, in a simple but inneficient way
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{
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let screen_dimensions = drawer.get_framebuffer_dimensions();
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let state = event_loop.state();
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for toplevel_surface in state.get(&shell_state_token).toplevel_surfaces() {
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if let Some(wl_surface) = toplevel_surface.get_surface() {
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// this surface is a root of a subsurface tree that needs to be drawn
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let initial_place = compositor_token
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.with_surface_data(wl_surface, |data| data.user_data.location.unwrap_or((0, 0)));
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compositor_token
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.with_surface_tree(
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wl_surface,
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initial_place,
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|_surface, attributes, role, &(mut x, mut y)| {
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if let Some((ref contents, (w, h))) = attributes.user_data.buffer {
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// there is actually something to draw !
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if let Ok(subdata) = Role::<SubsurfaceRole>::data(role) {
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x += subdata.x;
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y += subdata.y;
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}
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drawer.render(&mut frame, contents, (w, h), (x, y), screen_dimensions);
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TraversalAction::DoChildren((x, y))
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} else {
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// we are not display, so our children are neither
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TraversalAction::SkipChildren
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}
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},
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)
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.unwrap();
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}
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}
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}
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frame.finish().unwrap();
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event_loop.dispatch(Some(16)).unwrap();
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display.flush_clients();
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}
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}
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