Mirrors/servo
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Move keyboard handling to another task

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This commit is contained in:
Brian Anderson 2012-04-16 21:37:55 -07:00
parent ddb3e0ee50
commit a661d59e90
1 changed files with 45 additions and 8 deletions
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53
src/servo/servo.rs
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@ -1,9 +1,10 @@
import libc::c_double;
import azure::*;
import azure::bindgen::*;
import azure::cairo;
import azure::cairo::bindgen::*;
fn on_osmain(f: fn~()) {
fn on_osmain<T: send>(f: fn~(comm::port<T>)) -> comm::chan<T> {
let builder = task::builder();
let opts = {
sched: some({
@ -13,22 +14,32 @@ fn on_osmain(f: fn~()) {
with task::get_opts(builder)
};
task::set_opts(builder, opts);
task::run(builder, f);
ret task::run_listener(builder, f);
}
enum osmain_msg {
get_draw_target(comm::chan<AzDrawTargetRef>),
add_key_handler(comm::chan<()>),
draw(AzDrawTargetRef, comm::chan<()>),
exit
}
fn main() {
on_osmain {||
// The platform event handler thread
let osmain_ch = on_osmain::<osmain_msg> {|po|
let mut key_handlers = [];
sdl::init([
sdl::init_video
]);
let screen = sdl::video::set_video_mode(
320, 200, 32,
800, 600, 32,
[sdl::video::swsurface],
[sdl::video::doublebuf]);
assert !screen.is_null();
let sdl_surf = sdl::video::create_rgb_surface(
[sdl::video::swsurface],
320, 200, 32,
800, 600, 32,
0x00FF0000u32,
0x0000FF00u32,
0x000000FFu32,
@ -74,18 +85,44 @@ fn main() {
screen, ptr::null());
sdl::video::lock_surface(sdl_surf);
sdl::video::flip(screen);
let mut mustbreak = false;
sdl::event::poll_event {|event|
alt event {
sdl::event::keyup_event(_) { mustbreak = true; }
sdl::event::keydown_event(_) {
key_handlers.iter {|key_ch|
comm::send(key_ch, ())
}
}
_ { }
}
}
if mustbreak { break }
// Handle messages
if comm::peek(po) {
alt check comm::recv(po) {
add_key_handler(key_ch) {
key_handlers += [key_ch];
}
exit { break; }
}
}
}
AzReleaseDrawTarget(azure_target);
cairo_surface_destroy(cairo_surf);
sdl::video::unlock_surface(sdl_surf);
sdl::quit();
};
// The keyboard handler
task::spawn {||
let key_po = comm::port();
comm::send(osmain_ch, add_key_handler(comm::chan(key_po)));
loop {
alt comm::recv(key_po) {
_ {
comm::send(osmain_ch, exit);
break;
}
}
}
}
}