mirror of https://github.com/atanunq/viu
WIP Handle Ctrl-C to stop gif
This commit is contained in:
Atanas Yankov
parent
9a489db2df
commit
fa3c3cb5c2
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@ -41,6 +41,11 @@ name = "byteorder"
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version = "1.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cc"
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version = "1.0.36"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "cfg-if"
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version = "0.1.7"
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@ -96,6 +101,15 @@ dependencies = [
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"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "ctrlc"
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version = "3.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nix 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "deflate"
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version = "0.7.19"
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@ -173,6 +187,18 @@ name = "memoffset"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nix"
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version = "0.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"cc 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
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"cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
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"void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "nodrop"
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version = "0.1.13"
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@ -370,11 +396,17 @@ name = "viu"
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version = "0.1.1"
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dependencies = [
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"clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"ctrlc 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"image 0.21.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
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"termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "void"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "winapi"
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version = "0.3.6"
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@ -418,12 +450,14 @@ dependencies = [
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"checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
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"checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
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"checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
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"checksum cc 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "a0c56216487bb80eec9c4516337b2588a4f2a2290d72a1416d930e4dcdb0c90d"
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"checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
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"checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
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"checksum color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0dbbb57365263e881e805dc77d94697c9118fd94d8da011240555aa7b23445bd"
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"checksum crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f739f8c5363aca78cfb059edf753d8f0d36908c348f3d8d1503f03d8b75d9cf3"
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"checksum crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "927121f5407de9956180ff5e936fe3cf4324279280001cd56b669d28ee7e9150"
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"checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
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"checksum ctrlc 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5531b7f0698d9220b4729f8811931dbe0e91a05be2f7b3245fdc50dd856bae26"
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"checksum deflate 0.7.19 (registry+https://github.com/rust-lang/crates.io-index)" = "8a6abb26e16e8d419b5c78662aa9f82857c2386a073da266840e474d5055ec86"
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"checksum either 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c67353c641dc847124ea1902d69bd753dee9bb3beff9aa3662ecf86c971d1fac"
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"checksum gif 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4bca55ac1f213920ce3527ccd62386f1f15fa3f1714aeee1cf93f2c416903f"
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@ -434,6 +468,7 @@ dependencies = [
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"checksum libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)" = "bedcc7a809076656486ffe045abeeac163da1b558e963a31e29fbfbeba916917"
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"checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
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"checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
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"checksum nix 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "46f0f3210768d796e8fa79ec70ee6af172dacbe7147f5e69be5240a47778302b"
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"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
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"checksum num-derive 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d9fe8fcafd1b86a37ce8a1cfa15ae504817e0c8c2e7ad42767371461ac1d316d"
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"checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
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@ -459,6 +494,7 @@ dependencies = [
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"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
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"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
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"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
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"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
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"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
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"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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"checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
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@ -14,3 +14,4 @@ libc = "0.2"
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image = "0.21.1"
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clap = "2.32.0"
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termcolor = "1"
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ctrlc = { version = "3.0", features = ["termination"] }
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Binary file not shown.
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After Width: | Height: | Size: 7.8 MiB |
30
src/main.rs
30
src/main.rs
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@ -1,4 +1,5 @@
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extern crate clap;
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extern crate ctrlc;
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extern crate image;
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use clap::{value_t, App, Arg, ArgMatches};
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@ -85,22 +86,25 @@ fn run(matches: ArgMatches) {
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Ok(decoder) => match decoder.into_frames().collect_frames() {
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Ok(frames) => {
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let ten_millis = time::Duration::from_millis(10);
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let mut is_first_frame = true;
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//TODO: listen for user input to stop
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//handle Ctrl-C in order to clean up after ourselves
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//TODO: picture will continue printing between the print!() and exit leaving a
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//messy terminal
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ctrlc::set_handler(|| {
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print!("{}[0J", 27 as char);
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std::process::exit(0);
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})
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.expect("Could not setup Ctrl-C handler");
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//TODO: listen for user input to stop, not only Ctrl-C
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loop {
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for frame in &frames {
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let buffer = frame.buffer();
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let (_, height) = handle_image(&matches, ImageRgba8(buffer.to_owned()));
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thread::sleep(ten_millis);
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//keep replacing old pixels as the gif goes on so that scrollback
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//buffer is not filled
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if !is_first_frame {
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//TODO: rows should be cleared first
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print!("{}[{}A", 27 as char, buffer.height());
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} else {
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is_first_frame = false;
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}
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handle_image(&matches, ImageRgba8(buffer.to_owned()));
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thread::sleep(ten_millis);
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print!("{}[{}A", 27 as char, height);
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}
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}
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}
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@ -136,7 +140,7 @@ fn file_missing_error(filename: &str, e: &str) {
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std::process::exit(1);
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}
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fn handle_image(matches: &ArgMatches, img: DynamicImage) {
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fn handle_image(matches: &ArgMatches, img: DynamicImage) -> (u32, u32) {
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let verbose = matches.is_present("verbose");
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let mut print_img;
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@ -221,4 +225,6 @@ fn handle_image(matches: &ArgMatches, img: DynamicImage) {
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width, height, print_width, print_height
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);
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}
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print_img.dimensions()
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}
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