Switch from termion to crossterm for tui

3 files changed, 296 insertions, 116 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 00aeaac..e668bda 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,6 +22,11 @@ version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "arc-swap"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "arrayref"
 version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -226,6 +231,29 @@ dependencies = [
 ]
 
 [[package]]
+name = "crossterm"
+version = "0.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossterm_winapi 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "signal-hook 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "dev-suite"
 version = "0.1.0"
 dependencies = [
@@ -330,6 +358,20 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "fuchsia-zircon"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fuchsia-zircon-sys"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "getrandom"
 version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -404,6 +446,14 @@ dependencies = [
 ]
 
 [[package]]
+name = "iovec"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "itertools"
 version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -427,6 +477,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -474,6 +533,14 @@ dependencies = [
 ]
 
 [[package]]
+name = "lock_api"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "log"
 version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -487,11 +554,55 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "maybe-uninit"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "memchr"
 version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "mio"
+version = "0.6.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "miow"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "net2"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "nix"
 version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -530,11 +641,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "numtoa"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
 name = "openssl-probe"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -552,6 +658,30 @@ dependencies = [
 ]
 
 [[package]]
+name = "parking_lot"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "paw"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -731,14 +861,6 @@ version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "redox_termios"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "redox_users"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -789,6 +911,14 @@ version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "rustyline"
 version = "5.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -810,6 +940,24 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "scopeguard"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "serde"
 version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -845,6 +993,38 @@ dependencies = [
 ]
 
 [[package]]
+name = "signal-hook"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arc-swap 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "smallvec"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "smallvec"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -918,17 +1098,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "termion"
-version = "1.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
 name = "termios"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -960,6 +1129,7 @@ dependencies = [
  "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "colored 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "configamajig 0.1.0",
+ "crossterm 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "paw 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_env_logger 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -968,9 +1138,8 @@ dependencies = [
  "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "shared 0.1.0",
  "structopt 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "tui 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tui 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -999,15 +1168,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "tui"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cassowary 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossterm 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1098,6 +1267,11 @@ dependencies = [
 
 [[package]]
 name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -1106,6 +1280,11 @@ dependencies = [
 ]
 
 [[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1132,10 +1311,20 @@ dependencies = [
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ws2_32-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
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 "checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
 "checksum arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
 "checksum assert_cmd 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b7ac5c260f75e4e4ba87b7342be6edcecbcb3eb6741a0507fda7ad115845cc65"
@@ -1159,6 +1348,8 @@ dependencies = [
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 "checksum crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+"checksum crossterm 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "58e30e09480c6aa31b93990b230cb8f62bd21379a362ae15e812644e6e09e625"
+"checksum crossterm_winapi 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8777c700901e2d5b50c406f736ed6b8f9e43645c7e104ddb74f8bc42b8ae62f6"
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 "checksum difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
 "checksum dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
@@ -1170,30 +1361,40 @@ dependencies = [
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+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "1a31a0627fdf1f6a39ec0dd577e101440b7db22672c0901fe00a9a6fbb5c24e8"
 "checksum libgit2-sys 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4870c781f6063efb83150cd22c1ddf6ecf58531419e7570cdcced46970f64a16"
 "checksum libssh2-sys 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "5fcd5a428a31cbbfe059812d74f4b6cd3b9b7426c2bdaec56993c5365da1c328"
 "checksum libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
+"checksum lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e57b3997725d2b60dbec1297f6c2e2957cc383db1cebd6be812163f969c7d586"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
+"checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
+"checksum mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)" = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
+"checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
+"checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c722bee1037d430d0f8e687bbdbf222f27cc6e4e68d5caf630857bb2b6dbdce"
 "checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
 "checksum num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c81ffc11c212fa327657cb19dd85eb7419e163b5b076bede2bdb5c974c07e4"
 "checksum num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "76dac5ed2a876980778b8b85f75a71b6cbf0db0b1232ee12f826bccb00d09d72"
-"checksum numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 "checksum openssl-sys 0.9.53 (registry+https://github.com/rust-lang/crates.io-index)" = "465d16ae7fc0e313318f7de5cecf57b2fbe7511fd213978b457e1c96ff46736f"
+"checksum parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f842b1982eb6c2fe34036a4fbfb06dd185a3f5c8edfaacdf7d1ea10b07de6252"
+"checksum parking_lot_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b876b1b9e7ac6e1a74a6da34d25c42e17e8862aa409cbbbdcfc8d86c6f3bc62b"
 "checksum paw 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "09c0fc9b564dbc3dc2ed7c92c0c144f4de340aa94514ce2b446065417c4084e9"
 "checksum paw-attributes 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0f35583365be5d148e959284f42526841917b7bfa09e2d1a7ad5dde2cf0eaa39"
 "checksum paw-raw 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f0b59668fe80c5afe998f0c0bf93322bf2cd66cafeeb80581f291716f3467f2"
@@ -1217,18 +1418,25 @@ dependencies = [
 "checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
-"checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecedbca3bf205f8d8f5c2b44d83cd0690e39ee84b951ed649e9f1841132b66d"
 "checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
 "checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum rust-argon2 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ca4eaef519b494d1f2848fc602d18816fed808a981aedf4f1f00ceb7c9d32cf"
 "checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
+"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
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+"checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
+"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4b39bd9b0b087684013a792c59e3e07a46a01d2322518d8a1104641a0b1be0"
 "checksum serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)" = "ca13fc1a832f793322228923fbb3aba9f3f44444898f835d31ad1b74fa0a2bf8"
 "checksum serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "1a3351dcbc1f067e2c92ab7c3c1f288ad1a4cffc470b5aaddb4c2e0a3ae80043"
+"checksum signal-hook 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "7a9c17dd3ba2d36023a5c9472ecddeda07e27fd0b05436e8c1e0c8f178185652"
+"checksum signal-hook-registry 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
+"checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+"checksum smallvec 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0758c52e15a8b5e3691eae6cc559f08eee9406e548a4477ba4e67770a82b6"
 "checksum smallvec 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum structopt 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c167b61c7d4c126927f5346a4327ce20abf8a186b8041bbeb1ce49e5db49587b"
@@ -1237,14 +1445,13 @@ dependencies = [
 "checksum synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
 "checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 "checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
-"checksum termion 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6a8fb22f7cde82c8220e5aeacb3258ed7ce996142c77cba193f203515e26c330"
 "checksum termios 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "72b620c5ea021d75a735c943269bb07d30c9b77d6ac6b236bc8b5c496ef05625"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "01d1404644c8b12b16bfcffa4322403a91a451584daaaa7c28d3152e6cbc98cf"
 "checksum treeline 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
-"checksum tui 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0606ff286997171664d4f5ace6b130dd6ba1b867e6a27433077f618807aedc3b"
+"checksum tui 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6b871b61f4c4b81e630215cd12e0ec29953d4545898e21a9e023b7520a74a9f9"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b561e267b2326bb4cebfc0ef9e68355c7abe6c6f522aeac2f5bf95d56c59bdcf"
 "checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
@@ -1258,8 +1465,11 @@ dependencies = [
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
 "checksum which 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5475d47078209a02e60614f7ba5e645ef3ed60f771920ac1906d7c1cc65024c8"
+"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum wincolor 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "96f5016b18804d24db43cebf3c77269e7569b8954a8464501c216cc5e070eaa9"
+"checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
diff --git a/ticket/Cargo.toml b/ticket/Cargo.toml
index 574251a..6c260d7 100644
--- a/ticket/Cargo.toml
+++ b/ticket/Cargo.toml
@@ -25,5 +25,5 @@ toml = "0.5"
 uuid = { version = "0.8", features = ["serde", "v1"] }
 log = "0.4"
 pretty_env_logger = "0.3"
-tui = "0.7"
-termion = "1.5"
+crossterm = "0.14"
+tui = { version = "0.8", default-features = false, features = ['crossterm'] }
diff --git a/ticket/src/tui.rs b/ticket/src/tui.rs
index 57c8aca..85f60aa 100644
--- a/ticket/src/tui.rs
+++ b/ticket/src/tui.rs
@@ -7,24 +7,30 @@ use crate::{
   Ticket,
 };
 use anyhow::Result;
+use crossterm::{
+  cursor::Hide,
+  event::{
+    self,
+    DisableMouseCapture,
+    EnableMouseCapture,
+    Event as CEvent,
+    KeyCode,
+  },
+  queue,
+  terminal::*,
+};
 use std::{
   collections::BTreeMap,
-  io,
+  io::{
+    self,
+    Write,
+  },
   sync::mpsc,
   thread,
   time::Duration,
 };
-use termion::{
-  event::Key,
-  input::{
-    MouseTerminal,
-    TermRead,
-  },
-  raw::IntoRawMode,
-  screen::AlternateScreen,
-};
 use tui::{
-  backend::TermionBackend,
+  backend::CrosstermBackend,
   layout::{
     Alignment,
     Constraint,
@@ -110,88 +116,31 @@ impl TicketState {
     }
   }
 }
-/// A small event handler that wrap termion input and tick events. Each event
-/// type is handled in its own thread and returned to a common `Receiver`
-#[allow(dead_code)]
-pub struct Events {
-  rx: mpsc::Receiver<Event<Key>>,
-  input_handle: thread::JoinHandle<()>,
-  tick_handle: thread::JoinHandle<()>,
-}
-
 struct App<'a> {
   tabs: TabsState<'a>,
   tickets: TicketState,
+  should_quit: bool,
 }
 #[derive(Debug, Clone, Copy)]
 pub struct Config {
-  pub exit_key: Key,
+  pub exit_key: KeyCode,
   pub tick_rate: Duration,
 }
 
 impl Default for Config {
   fn default() -> Self {
     Self {
-      exit_key: Key::Char('q'),
+      exit_key: KeyCode::Char('q'),
       tick_rate: Duration::from_millis(250),
     }
   }
 }
-
-impl Events {
-  pub fn new() -> Self {
-    Self::with_config(Config::default())
-  }
-
-  pub fn with_config(config: Config) -> Self {
-    let (tx, rx) = mpsc::channel();
-    let input_handle = {
-      let tx = tx.clone();
-      thread::spawn(move || {
-        let stdin = io::stdin();
-        for evt in stdin.keys() {
-          if let Ok(key) = evt {
-            if tx.send(Event::Input(key)).is_err() {
-              return;
-            }
-            if key == config.exit_key {
-              return;
-            }
-          }
-        }
-      })
-    };
-    let tick_handle = {
-      let tx = tx.clone();
-      thread::spawn(move || {
-        let tx = tx.clone();
-        loop {
-          tx.send(Event::Tick).unwrap();
-          thread::sleep(config.tick_rate);
-        }
-      })
-    };
-    Self {
-      rx,
-      input_handle,
-      tick_handle,
-    }
-  }
-
-  pub fn next(&self) -> Result<Event<Key>, mpsc::RecvError> {
-    self.rx.recv()
-  }
-}
 pub fn run() -> Result<()> {
   // Terminal initialization
-  let stdout = io::stdout().into_raw_mode()?;
-  let stdout = MouseTerminal::from(stdout);
-  let stdout = AlternateScreen::from(stdout);
-  let backend = TermionBackend::new(stdout);
+  enable_raw_mode()?;
+  queue!(io::stdout(), EnterAlternateScreen, EnableMouseCapture, Hide)?;
+  let backend = CrosstermBackend::new(io::stdout());
   let mut terminal = Terminal::new(backend)?;
-  terminal.hide_cursor()?;
-
-  let events = Events::new();
 
   // App
   let mut app = App {
@@ -202,8 +151,24 @@ pub fn run() -> Result<()> {
       let _ = map.insert("Closed".into(), get_closed_tickets()?);
       TicketState::new(map)
     },
+    should_quit: false,
   };
 
+  terminal.clear()?;
+  let (tx, rx) = mpsc::channel();
+  let _ = thread::spawn(move || {
+    loop {
+      // poll for tick rate duration, if no events, sent tick event.
+      if event::poll(Duration::from_millis(250)).unwrap() {
+        if let CEvent::Key(key) = event::read().unwrap() {
+          tx.send(Event::Input(key)).unwrap();
+        }
+      }
+
+      tx.send(Event::Tick).unwrap();
+    }
+  });
+
   // Main loop
   loop {
     terminal.draw(|mut f| {
@@ -251,32 +216,37 @@ pub fn run() -> Result<()> {
       }
     })?;
 
-    match events.next()? {
-      Event::Input(input) => match input {
-        Key::Char('q') => {
-          break;
+    match rx.recv()? {
+      Event::Input(event) => match event.code {
+        KeyCode::Char('q') => {
+          app.should_quit = true;
         }
-        Key::Right => {
+        KeyCode::Right => {
           if app.tabs.index == 0 {
             app.tickets.status = Status::Closed;
             app.tickets.index = 0;
           }
           app.tabs.next();
         }
-        Key::Left => {
+        KeyCode::Left => {
           if app.tabs.index != 0 {
             app.tickets.status = Status::Open;
             app.tickets.index = 0;
           }
           app.tabs.previous();
         }
-        Key::Up => app.tickets.previous(),
-        Key::Down => app.tickets.next(),
+        KeyCode::Up => app.tickets.previous(),
+        KeyCode::Down => app.tickets.next(),
         _ => {}
       },
       Event::Tick => continue,
     }
+    if app.should_quit {
+      break;
+    }
   }
+  queue!(io::stdout(), LeaveAlternateScreen, DisableMouseCapture)?;
+  disable_raw_mode()?;
   Ok(())
 }