Using only CrossTerm to print stuff (a to block, q to quit)
This commit is contained in:
parent
e3b6f51f64
commit
fa5cddb358
GPG key ID:
9151B109B73ECAD5
261
Cargo.lock
generated
261
Cargo.lock
generated
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@ -2,24 +2,6 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "ahash"
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version = "0.8.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
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dependencies = [
|
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"cfg-if",
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"once_cell",
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"version_check",
|
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"zerocopy",
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]
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[[package]]
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name = "allocator-api2"
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||||
version = "0.2.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
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[[package]]
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name = "autocfg"
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version = "1.3.0"
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@ -32,40 +14,12 @@ version = "2.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
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[[package]]
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||||
name = "cassowary"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "df8670b8c7b9dae1793364eafadf7239c40d669904660c5960d74cfd80b46a53"
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[[package]]
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name = "castaway"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0abae9be0aaf9ea96a3b1b8b1b55c602ca751eba1b1500220cea4ecbafe7c0d5"
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dependencies = [
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"rustversion",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "compact_str"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f86b9c4c00838774a6d902ef931eff7470720c51d90c2e32cfe15dc304737b3f"
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dependencies = [
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"castaway",
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"cfg-if",
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"itoa",
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"ryu",
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"static_assertions",
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]
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[[package]]
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name = "crossterm"
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version = "0.27.0"
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@ -91,43 +45,6 @@ dependencies = [
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"winapi",
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]
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[[package]]
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name = "either"
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version = "1.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
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[[package]]
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name = "hashbrown"
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version = "0.14.5"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
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dependencies = [
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"ahash",
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"allocator-api2",
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]
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[[package]]
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name = "heck"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
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[[package]]
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name = "itertools"
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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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checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
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dependencies = [
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"either",
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]
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[[package]]
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name = "itoa"
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version = "1.0.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
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[[package]]
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name = "libc"
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version = "0.2.155"
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@ -150,15 +67,6 @@ version = "0.4.22"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
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[[package]]
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name = "lru"
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version = "0.12.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d3262e75e648fce39813cb56ac41f3c3e3f65217ebf3844d818d1f9398cfb0dc"
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dependencies = [
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"hashbrown",
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]
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[[package]]
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name = "mio"
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version = "0.8.11"
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@ -175,15 +83,9 @@ dependencies = [
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name = "nuudel"
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version = "0.1.0"
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dependencies = [
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"ratatui",
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"crossterm",
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]
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[[package]]
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name = "once_cell"
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version = "1.19.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
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[[package]]
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name = "parking_lot"
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version = "0.12.3"
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@ -207,51 +109,6 @@ dependencies = [
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"windows-targets 0.52.6",
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]
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[[package]]
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name = "paste"
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version = "1.0.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
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[[package]]
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name = "proc-macro2"
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version = "1.0.86"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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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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checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "ratatui"
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version = "0.27.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d16546c5b5962abf8ce6e2881e722b4e0ae3b6f1a08a26ae3573c55853ca68d3"
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dependencies = [
|
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"bitflags",
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"cassowary",
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"compact_str",
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"crossterm",
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"itertools",
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"lru",
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"paste",
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"stability",
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"strum",
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"strum_macros",
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"unicode-segmentation",
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"unicode-truncate",
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"unicode-width",
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]
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[[package]]
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name = "redox_syscall"
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version = "0.5.3"
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@ -261,18 +118,6 @@ dependencies = [
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"bitflags",
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]
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[[package]]
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name = "rustversion"
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version = "1.0.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
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[[package]]
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name = "ryu"
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version = "1.0.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
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[[package]]
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name = "scopeguard"
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version = "1.2.0"
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@ -315,90 +160,6 @@ version = "1.13.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
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[[package]]
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name = "stability"
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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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checksum = "d904e7009df136af5297832a3ace3370cd14ff1546a232f4f185036c2736fcac"
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dependencies = [
|
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"quote",
|
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"syn",
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]
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[[package]]
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name = "static_assertions"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
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[[package]]
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name = "strum"
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version = "0.26.3"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
|
||||
dependencies = [
|
||||
"strum_macros",
|
||||
]
|
||||
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[[package]]
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name = "strum_macros"
|
||||
version = "0.26.4"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"rustversion",
|
||||
"syn",
|
||||
]
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[[package]]
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name = "syn"
|
||||
version = "2.0.72"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "dc4b9b9bf2add8093d3f2c0204471e951b2285580335de42f9d2534f3ae7a8af"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
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[[package]]
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name = "unicode-ident"
|
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
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[[package]]
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name = "unicode-segmentation"
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version = "1.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d4c87d22b6e3f4a18d4d40ef354e97c90fcb14dd91d7dc0aa9d8a1172ebf7202"
|
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[[package]]
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name = "unicode-truncate"
|
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
|
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dependencies = [
|
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"itertools",
|
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"unicode-segmentation",
|
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"unicode-width",
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]
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[[package]]
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name = "unicode-width"
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version = "0.1.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0336d538f7abc86d282a4189614dfaa90810dfc2c6f6427eaf88e16311dd225d"
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[[package]]
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name = "version_check"
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version = "0.9.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
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[[package]]
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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@ -556,23 +317,3 @@ name = "windows_x86_64_msvc"
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version = "0.52.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
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|
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[[package]]
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name = "zerocopy"
|
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version = "0.7.35"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
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dependencies = [
|
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"zerocopy-derive",
|
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]
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[[package]]
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name = "zerocopy-derive"
|
||||
version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
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@ -4,7 +4,8 @@ version = "0.1.0"
|
|||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
ratatui = "0.27.0"
|
||||
crossterm = "0.27.0"
|
||||
#ratatui = "0.27.0"
|
||||
|
||||
[profile.release]
|
||||
lto = true
|
||||
|
|
|
|||
169
src/main.rs
169
src/main.rs
|
|
@ -1,125 +1,78 @@
|
|||
use std::panic;
|
||||
use std::io;
|
||||
use std::io::Result;
|
||||
use ratatui::{
|
||||
buffer::Buffer,
|
||||
crossterm::event::{
|
||||
self,
|
||||
Event,
|
||||
KeyCode,
|
||||
KeyEvent,
|
||||
KeyEventKind
|
||||
},
|
||||
layout::{Alignment, Rect},
|
||||
style::Stylize,
|
||||
symbols::border,
|
||||
text::{Line, Text},
|
||||
widgets::{
|
||||
block::{Position, Title},
|
||||
Block, Paragraph, Widget,
|
||||
},
|
||||
Frame,
|
||||
use crossterm::{
|
||||
event::{poll, read, Event, KeyCode},
|
||||
terminal, ExecutableCommand, cursor,
|
||||
};
|
||||
use std::panic;
|
||||
use std::{
|
||||
io::{stdout, Result, Write},
|
||||
time::Duration,
|
||||
};
|
||||
|
||||
mod tui;
|
||||
|
||||
#[cfg(test)]
|
||||
mod test;
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub struct App {
|
||||
counter: u8,
|
||||
exit: bool,
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
// Setup panic handling
|
||||
let default_panic = panic::take_hook();
|
||||
panic::set_hook(Box::new(move |info| {
|
||||
let _= tui::restore();
|
||||
let _ = restore();
|
||||
default_panic(info);
|
||||
}));
|
||||
|
||||
let mut terminal = tui::init()?;
|
||||
App::default().run(&mut terminal)?;
|
||||
tui::restore()?;
|
||||
// Start terminaling
|
||||
init()?;
|
||||
let mut stdout = stdout();
|
||||
print!("Press Q to quit");
|
||||
|
||||
// Main loop
|
||||
let quitting = false;
|
||||
while !quitting {
|
||||
//stdout.execute(terminal::BeginSynchronizedUpdate)?;
|
||||
handle_events()?;
|
||||
stdout.flush()?;
|
||||
//stdout.execute(terminal::EndSynchronizedUpdate)?;
|
||||
}
|
||||
|
||||
// Stop terminaling
|
||||
restore()?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
impl App {
|
||||
// Main app loop until quit
|
||||
pub fn run(&mut self, terminal: &mut tui::Tui) -> Result<()> {
|
||||
while !self.exit {
|
||||
terminal.draw(|frame| self.render_frame(frame))?;
|
||||
self.handle_events()?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn render_frame(&self, frame: &mut Frame) {
|
||||
frame.render_widget(self, frame.size());
|
||||
}
|
||||
|
||||
fn handle_events(&mut self) -> io::Result<()> {
|
||||
match event::read()? {
|
||||
Event::Key(key_event) if key_event.kind == KeyEventKind::Press => {
|
||||
self.handle_key_event(key_event)
|
||||
}
|
||||
_ => {}
|
||||
};
|
||||
Ok(())
|
||||
}
|
||||
fn init() -> Result<()> {
|
||||
terminal::enable_raw_mode()?;
|
||||
stdout().execute(terminal::EnterAlternateScreen)?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn handle_key_event(&mut self, key_event: KeyEvent) {
|
||||
match key_event.code {
|
||||
KeyCode::Char('q') => self.exit(),
|
||||
KeyCode::Left => self.decrement_counter(),
|
||||
KeyCode::Right => self.increment_counter(),
|
||||
fn restore() -> Result<()> {
|
||||
stdout().execute(terminal::LeaveAlternateScreen)?;
|
||||
terminal::disable_raw_mode()?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn handle_events() -> Result<()> {
|
||||
if poll(Duration::from_secs(0))? {
|
||||
match read()? {
|
||||
Event::Key(event) => match event.code {
|
||||
KeyCode::Char('q') => {
|
||||
panic!("Just quitting, in a way...");
|
||||
},
|
||||
KeyCode::Char('a') => {
|
||||
print!("█");
|
||||
},
|
||||
KeyCode::Left => {
|
||||
stdout().execute(cursor::MoveLeft(1))?;
|
||||
},
|
||||
KeyCode::Right => {
|
||||
stdout().execute(cursor::MoveRight(1))?;
|
||||
},
|
||||
KeyCode::Up => {
|
||||
stdout().execute(cursor::MoveUp(1))?;
|
||||
},
|
||||
KeyCode::Down => {
|
||||
stdout().execute(cursor::MoveDown(1))?;
|
||||
},
|
||||
_ => {}
|
||||
},
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
fn exit(&mut self) {
|
||||
self.exit = true;
|
||||
}
|
||||
|
||||
fn increment_counter(&mut self) {
|
||||
self.counter += 1;
|
||||
}
|
||||
|
||||
fn decrement_counter(&mut self) {
|
||||
self.counter -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
impl Widget for &App {
|
||||
fn render(self, area: Rect, buf: &mut Buffer) {
|
||||
let title = Title::from(" Counter App Tutorial ".bold());
|
||||
let instructions = Title::from(Line::from(vec![
|
||||
" Decrement ".into(),
|
||||
"<Left>".blue().bold(),
|
||||
" Increment ".into(),
|
||||
"<Right>".blue().bold(),
|
||||
" Quit ".into(),
|
||||
"<Q> ".blue().bold(),
|
||||
]));
|
||||
let block = Block::bordered()
|
||||
.title(title.alignment(Alignment::Center))
|
||||
.title(
|
||||
instructions
|
||||
.alignment(Alignment::Center)
|
||||
.position(Position::Bottom),
|
||||
)
|
||||
.border_set(border::THICK);
|
||||
|
||||
let counter_text = Text::from(vec![Line::from(vec![
|
||||
"Value: ".into(),
|
||||
self.counter.to_string().yellow(),
|
||||
])]);
|
||||
|
||||
Paragraph::new(counter_text)
|
||||
.centered()
|
||||
.block(block)
|
||||
.render(area, buf);
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
|
|
|||
45
src/test.rs
45
src/test.rs
|
|
@ -1,45 +0,0 @@
|
|||
use super::*;
|
||||
use ratatui::style::Style;
|
||||
|
||||
#[test]
|
||||
fn render() {
|
||||
let app = App::default();
|
||||
let mut buf = Buffer::empty(Rect::new(0, 0, 50, 4));
|
||||
|
||||
app.render(buf.area, &mut buf);
|
||||
|
||||
let mut expected = Buffer::with_lines(vec![
|
||||
"┏━━━━━━━━━━━━━ Counter App Tutorial ━━━━━━━━━━━━━┓",
|
||||
"┃ Value: 0 ┃",
|
||||
"┃ ┃",
|
||||
"┗━ Decrement <Left> Increment <Right> Quit <Q> ━━┛",
|
||||
]);
|
||||
let title_style = Style::new().bold();
|
||||
let counter_style = Style::new().yellow();
|
||||
let key_style = Style::new().blue().bold();
|
||||
expected.set_style(Rect::new(14, 0, 22, 1), title_style);
|
||||
expected.set_style(Rect::new(28, 1, 1, 1), counter_style);
|
||||
expected.set_style(Rect::new(13, 3, 6, 1), key_style);
|
||||
expected.set_style(Rect::new(30, 3, 7, 1), key_style);
|
||||
expected.set_style(Rect::new(43, 3, 4, 1), key_style);
|
||||
|
||||
// note ratatui also has an assert_buffer_eq! macro that can be used to
|
||||
// compare buffers and display the differences in a more readable way
|
||||
assert_eq!(buf, expected);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn handle_key_event() -> io::Result<()> {
|
||||
let mut app = App::default();
|
||||
app.handle_key_event(KeyCode::Right.into());
|
||||
assert_eq!(app.counter, 1);
|
||||
|
||||
app.handle_key_event(KeyCode::Left.into());
|
||||
assert_eq!(app.counter, 0);
|
||||
|
||||
let mut app = App::default();
|
||||
app.handle_key_event(KeyCode::Char('q').into());
|
||||
assert_eq!(app.exit, true);
|
||||
|
||||
Ok(())
|
||||
}
|
||||
35
src/tui.rs
35
src/tui.rs
|
|
@ -1,35 +0,0 @@
|
|||
use std::io::{self, stdout, Stdout};
|
||||
use ratatui::{
|
||||
backend::CrosstermBackend,
|
||||
crossterm::{
|
||||
execute,
|
||||
terminal::{
|
||||
disable_raw_mode,
|
||||
enable_raw_mode,
|
||||
EnterAlternateScreen,
|
||||
LeaveAlternateScreen,
|
||||
},
|
||||
event::{
|
||||
EnableMouseCapture,
|
||||
DisableMouseCapture,
|
||||
},
|
||||
},
|
||||
Terminal,
|
||||
};
|
||||
|
||||
pub type Tui = Terminal<CrosstermBackend<Stdout>>;
|
||||
|
||||
pub fn init() -> io::Result<Tui> {
|
||||
execute!(stdout(), EnterAlternateScreen)?;
|
||||
execute!(stdout(), EnableMouseCapture)?;
|
||||
enable_raw_mode()?;
|
||||
Terminal::new(CrosstermBackend::new(stdout()))
|
||||
}
|
||||
|
||||
pub fn restore() -> io::Result<()> {
|
||||
execute!(stdout(), LeaveAlternateScreen)?;
|
||||
execute!(stdout(), DisableMouseCapture)?;
|
||||
disable_raw_mode()?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
Loading…
Reference in a new issue