elf
/
xcb-studies
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Got the same functionality out of Rust, only prettier, and learned an important lesson about how much more Rust cares that the info you handled is, in fact, *fully* handled.

This commit is contained in:
Elf M. Sternberg 2022-04-18 17:26:10 -07:00
parent 0af01c5e0d
commit e8bd037f61
1 changed files with 22 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
xcb_read_rs/src/main.rs
View File

@ -1,3 +1,5 @@
use xcb::Xid;
extern crate libc; extern crate libc;
extern crate xcb; extern crate xcb;
@ -22,9 +24,20 @@ fn rotation_map(rotation: xcb::randr::Rotation) -> &'static str {
fn display_one_output( fn display_one_output(
conn: &xcb::Connection, conn: &xcb::Connection,
output: &xcb::randr::GetOutputInfoReply, cookie: xcb::randr::GetOutputInfoCookie,
timestamp: xcb::x::Timestamp, timestamp: xcb::x::Timestamp,
) { ) {
let output = conn.wait_for_reply(cookie).unwrap();
if !(output.connection() == xcb::randr::Connection::Connected) {
return;
}
println!("Display: {}", std::str::from_utf8(output.name()).unwrap());
if output.crtc().resource_id() == 0 {
println!("(no monitor found)\n");
return;
}
let crtc = conn let crtc = conn
.wait_for_reply(conn.send_request(&xcb::randr::GetCrtcInfo { .wait_for_reply(conn.send_request(&xcb::randr::GetCrtcInfo {
crtc: output.crtc(), crtc: output.crtc(),
@ -33,7 +46,7 @@ fn display_one_output(
.unwrap(); .unwrap();
println!( println!(
"x: {}, y: {}, W×H: {}×{}, status: {}, rotation: {}", "x: {}, y: {}, W×H: {}×{}, status: {}, rotation: {}\n",
crtc.x(), crtc.x(),
crtc.y(), crtc.y(),
crtc.width(), crtc.width(),
@ -48,22 +61,15 @@ fn display_outputs(
screen: &xcb::randr::GetScreenResourcesReply, screen: &xcb::randr::GetScreenResourcesReply,
timestamp: xcb::x::Timestamp, timestamp: xcb::x::Timestamp,
) { ) {
let output_cookies = screen let output_cookies = screen.outputs().iter().map(|output| {
.outputs() conn.send_request(&xcb::randr::GetOutputInfo {
.iter() output: *output,
.map(|output| { config_timestamp: timestamp,
conn.send_request(&xcb::randr::GetOutputInfo {
output: *output,
config_timestamp: timestamp,
})
}) })
.collect::<Vec<_>>(); });
for cookie in output_cookies.into_iter() { for cookie in output_cookies {
let reply = conn.wait_for_reply(cookie).unwrap(); display_one_output(conn, cookie, timestamp)
if reply.connection() == xcb::randr::Connection::Connected {
display_one_output(conn, &reply, timestamp)
}
} }
} }