From f8dbfdafdc762cded04af618a279d873c6a88f8a Mon Sep 17 00:00:00 2001
From: Ethan Roseman <ethteck@gmail.com>
Date: Tue, 31 Oct 2023 15:11:23 +0900
Subject: [PATCH] Add copying of HexView selected text (fixes #28)

---
 Cargo.lock                 | 268 +++++++++++++++++++++++--------------
 Cargo.toml                 |   2 +-
 src/app.rs                 |  36 ++++-
 src/hex_view.rs            |  24 +++-
 src/main.rs                |   2 +-
 src/widget/mod.rs          |   1 +
 src/{ => widget}/spacer.rs |   0
 7 files changed, 222 insertions(+), 111 deletions(-)
 create mode 100644 src/widget/mod.rs
 rename src/{ => widget}/spacer.rs (100%)

diff --git a/Cargo.lock b/Cargo.lock
index 21da1e6..b20925d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "ab_glyph"
-version = "0.2.22"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1061f3ff92c2f65800df1f12fc7b4ff44ee14783104187dd04dfee6f11b0fd2"
+checksum = "80179d7dd5d7e8c285d67c4a1e652972a92de7475beddfb92028c76463b13225"
 dependencies = [
  "ab_glyph_rasterizer",
  "owned_ttf_parser",
@@ -99,14 +99,15 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "ahash"
-version = "0.8.3"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c99f64d1e06488f620f932677e24bc6e2897582980441ae90a671415bd7ec2f"
+checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a"
 dependencies = [
  "cfg-if",
  "once_cell",
  "serde",
  "version_check",
+ "zerocopy",
 ]
 
 [[package]]
@@ -231,9 +232,9 @@ dependencies = [
 
 [[package]]
 name = "async-executor"
-version = "1.5.4"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c1da3ae8dabd9c00f453a329dfe1fb28da3c0a72e2478cdcd93171740c20499"
+checksum = "4b0c4a4f319e45986f347ee47fef8bf5e81c9abc3f6f58dc2391439f30df65f0"
 dependencies = [
  "async-lock",
  "async-task",
@@ -268,13 +269,33 @@ dependencies = [
  "futures-lite",
  "log",
  "parking",
- "polling",
- "rustix 0.37.25",
+ "polling 2.8.0",
+ "rustix 0.37.27",
  "slab",
  "socket2",
  "waker-fn",
 ]
 
+[[package]]
+name = "async-io"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10da8f3146014722c89e7859e1d7bb97873125d7346d10ca642ffab794355828"
+dependencies = [
+ "async-lock",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite",
+ "parking",
+ "polling 3.3.0",
+ "rustix 0.38.21",
+ "slab",
+ "tracing",
+ "waker-fn",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "async-lock"
 version = "2.8.0"
@@ -290,14 +311,14 @@ version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea6438ba0a08d81529c69b36700fa2f95837bfe3e776ab39cde9c14d9149da88"
 dependencies = [
- "async-io",
+ "async-io 1.13.0",
  "async-lock",
  "async-signal",
  "blocking",
  "cfg-if",
- "event-listener 3.0.0",
+ "event-listener 3.0.1",
  "futures-lite",
- "rustix 0.38.19",
+ "rustix 0.38.21",
  "windows-sys 0.48.0",
 ]
 
@@ -314,17 +335,17 @@ dependencies = [
 
 [[package]]
 name = "async-signal"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2a5415b7abcdc9cd7d63d6badba5288b2ca017e3fbd4173b8f405449f1a2399"
+checksum = "9e47d90f65a225c4527103a8d747001fc56e375203592b25ad103e1ca13124c5"
 dependencies = [
- "async-io",
+ "async-io 2.1.0",
  "async-lock",
  "atomic-waker",
  "cfg-if",
  "futures-core",
  "futures-io",
- "rustix 0.38.19",
+ "rustix 0.38.21",
  "signal-hook-registry",
  "slab",
  "windows-sys 0.48.0",
@@ -332,15 +353,15 @@ dependencies = [
 
 [[package]]
 name = "async-task"
-version = "4.4.1"
+version = "4.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9441c6b2fe128a7c2bf680a44c34d0df31ce09e5b7e401fcca3faa483dbc921"
+checksum = "b4eb2cdb97421e01129ccb49169d8279ed21e829929144f4a22a6e54ac549ca1"
 
 [[package]]
 name = "async-trait"
-version = "0.1.73"
+version = "0.1.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -400,9 +421,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base64"
-version = "0.21.4"
+version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
 [[package]]
 name = "bdiff"
@@ -435,9 +456,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bitflags"
-version = "2.4.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
 dependencies = [
  "serde",
 ]
@@ -709,9 +730,9 @@ dependencies = [
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.9"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a17b76ff3a4162b0b27f354a0c87015ddad39d35f9c0c36607a3bdd175dde1f1"
+checksum = "ce420fe07aecd3e67c5f910618fe65e94158f6dcc0adf44e00d69ce2bdfe0fd0"
 dependencies = [
  "libc",
 ]
@@ -1043,9 +1064,9 @@ checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
 [[package]]
 name = "event-listener"
-version = "3.0.0"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29e56284f00d94c1bc7fd3c77027b4623c88c1f53d8d2394c6199f2921dea325"
+checksum = "01cec0252c2afff729ee6f00e903d479fba81784c8e2bd77447673471fdfaea1"
 dependencies = [
  "concurrent-queue",
  "parking",
@@ -1133,15 +1154,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
+checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
 [[package]]
 name = "futures-io"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
+checksum = "8bf34a163b5c4c52d0478a4d757da8fb65cabef42ba90515efee0f6f9fa45aaa"
 
 [[package]]
 name = "futures-lite"
@@ -1160,21 +1181,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
+checksum = "e36d3378ee38c2a36ad710c5d30c2911d752cb941c00c72dbabfb786a7970817"
 
 [[package]]
 name = "futures-task"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
+checksum = "efd193069b0ddadc69c46389b740bbccdd97203899b48d09c5f7969591d6bae2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
+checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
 dependencies = [
  "futures-core",
  "futures-io",
@@ -1388,9 +1409,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.14.1"
+version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dfda62a12f55daeae5015f81b0baea145391cb4520f86c248fc615d72640d12"
+checksum = "f93e7192158dbcda357bdec5fb5788eebf8bbac027f3f33e719d29135ae84156"
 
 [[package]]
 name = "heck"
@@ -1626,9 +1647,9 @@ checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f"
 
 [[package]]
 name = "lock_api"
-version = "0.4.10"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1cc9717a20b1bb222f333e6a92fd32f7d8a18ddc5a3191a11af45dcbf4dcd16"
+checksum = "3c168f8615b12bc01f9c17e2eb0cc07dcae1940121185446edc3744920e8ef45"
 dependencies = [
  "autocfg",
  "scopeguard",
@@ -1719,9 +1740,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.8"
+version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
+checksum = "3dce281c5e46beae905d4de1870d8b1509a9142b62eedf18b443b011ca8343d0"
 dependencies = [
  "libc",
  "log",
@@ -1817,7 +1838,7 @@ version = "6.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6205bd8bb1e454ad2e27422015fb5e4f2bcc7e08fa8f27058670d208324a4d2d"
 dependencies = [
- "bitflags 2.4.0",
+ "bitflags 2.4.1",
  "crossbeam-channel",
  "filetime",
  "fsevent-sys",
@@ -1993,9 +2014,9 @@ dependencies = [
 
 [[package]]
 name = "owned_ttf_parser"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "706de7e2214113d63a8238d1910463cfce781129a6f263d13fdb09ff64355ba4"
+checksum = "d4586edfe4c648c71797a74c84bacb32b52b212eff5dfe2bb9f2c599844023e7"
 dependencies = [
  "ttf-parser",
 ]
@@ -2014,9 +2035,9 @@ dependencies = [
 
 [[package]]
 name = "parking"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e52c774a4c39359c1d1c52e43f73dd91a75a614652c825408eec30c95a9b2067"
+checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
 
 [[package]]
 name = "parking_lot"
@@ -2030,13 +2051,13 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93f00c865fe7cabf650081affecd3871070f26767e7b2070a3ffae14c654b447"
+checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
 dependencies = [
  "cfg-if",
  "libc",
- "redox_syscall 0.3.5",
+ "redox_syscall 0.4.1",
  "smallvec",
  "windows-targets 0.48.5",
 ]
@@ -2120,6 +2141,20 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "polling"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e53b6af1f60f36f8c2ac2aad5459d75a5a9b4be1e8cdd40264f315d78193e531"
+dependencies = [
+ "cfg-if",
+ "concurrent-queue",
+ "pin-project-lite",
+ "rustix 0.38.21",
+ "tracing",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -2274,6 +2309,15 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
 [[package]]
 name = "redox_users"
 version = "0.4.3"
@@ -2287,9 +2331,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.10.1"
+version = "1.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aaac441002f822bc9705a681810a4dd2963094b9ca0ddc41cb963a4c189189ea"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2299,9 +2343,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5011c7e263a695dc8ca064cddb722af1be54e517a280b12a5356f98366899e5d"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2316,9 +2360,9 @@ checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "rfd"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "241a0deb168c88050d872294f7b3106c1dfa8740942bcc97bc91b98e97b5c501"
+checksum = "3c9e7b57df6e8472152674607f6cc68aa14a748a3157a857a94f516e11aeacc2"
 dependencies = [
  "block",
  "dispatch",
@@ -2344,16 +2388,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b91f7eff05f748767f183df4320a63d6936e9c6107d97c9e6bdd9784f4289c94"
 dependencies = [
  "base64",
- "bitflags 2.4.0",
+ "bitflags 2.4.1",
  "serde",
  "serde_derive",
 ]
 
 [[package]]
 name = "rustix"
-version = "0.37.25"
+version = "0.37.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4eb579851244c2c03e7c24f501c3432bed80b8f720af1d6e5b0e0f01555a035"
+checksum = "fea8ca367a3a01fe35e6943c400addf443c0f57670e6ec51196f71a4b8762dd2"
 dependencies = [
  "bitflags 1.3.2",
  "errno",
@@ -2365,11 +2409,11 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.38.19"
+version = "0.38.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "745ecfa778e66b2b63c88a61cb36e0eea109e803b0b86bf9879fbc77c70e86ed"
+checksum = "2b426b0506e5d50a7d8dafcf2e81471400deb602392c7dd110815afb4eaf02a3"
 dependencies = [
- "bitflags 2.4.0",
+ "bitflags 2.4.1",
  "errno",
  "libc",
  "linux-raw-sys 0.4.10",
@@ -2424,18 +2468,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.189"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
+checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.189"
+version = "1.0.190"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
+checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2444,9 +2488,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.107"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -2455,9 +2499,9 @@ dependencies = [
 
 [[package]]
 name = "serde_repr"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
+checksum = "3081f5ffbb02284dda55132aa26daecedd7372a42417bbbab6f14ab7d6bb9145"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2466,9 +2510,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96426c9936fd7a0124915f9185ea1d20aa9445cc9821142f0a73bc9207a2e186"
+checksum = "12022b835073e5b11e90a14f86838ceb1c8fb0325b72416845c487ac0fa95e80"
 dependencies = [
  "serde",
 ]
@@ -2554,9 +2598,9 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.4.9"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64a4a911eed85daf18834cfaa86a79b7d266ff93ff5ba14005426219480ed662"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
 dependencies = [
  "libc",
  "winapi",
@@ -2611,43 +2655,43 @@ dependencies = [
  "cfg-expr",
  "heck",
  "pkg-config",
- "toml 0.8.2",
+ "toml 0.8.6",
  "version-compare",
 ]
 
 [[package]]
 name = "target-lexicon"
-version = "0.12.11"
+version = "0.12.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d0e916b1148c8e263850e1ebcbd046f333e0683c724876bb0da63ea4373dc8a"
+checksum = "14c39fd04924ca3a864207c66fc2cd7d22d7c016007f9ce846cbb9326331930a"
 
 [[package]]
 name = "tempfile"
-version = "3.8.0"
+version = "3.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb94d2f3cc536af71caac6b6fcebf65860b347e7ce0cc9ebe8f70d3e521054ef"
+checksum = "7ef1adac450ad7f4b3c28589471ade84f25f731a7a0fe30d71dfa9f60fd808e5"
 dependencies = [
  "cfg-if",
  "fastrand 2.0.1",
- "redox_syscall 0.3.5",
- "rustix 0.38.19",
+ "redox_syscall 0.4.1",
+ "rustix 0.38.21",
  "windows-sys 0.48.0",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1177e8c6d7ede7afde3585fd2513e611227efd6481bd78d2e82ba1ce16557ed4"
+checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.49"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10712f02019e9288794769fba95cd6847df9874d49d871d062172f9dd41bc4cc"
+checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2736,21 +2780,21 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.2"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "185d8ab0dfbb35cf1399a6344d8484209c088f75f8f68230da55d48d95d43e3d"
+checksum = "8ff9e3abce27ee2c9a37f9ad37238c1bdd4e789c84ba37df76aa4d528f5072cc"
 dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.20.2",
+ "toml_edit 0.20.7",
 ]
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.3"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cda73e2f1397b1262d6dfdcef8aafae14d1de7748d66822d3bfeeb6d03e5e4b"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
 dependencies = [
  "serde",
 ]
@@ -2768,9 +2812,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.20.2"
+version = "0.20.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "396e4d48bbb2b7554c944bde63101b5ae446cff6ec4a24227428f15eb72ef338"
+checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
 dependencies = [
  "indexmap",
  "serde",
@@ -2781,9 +2825,9 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.39"
+version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2ef2af84856a50c1d430afce2fdded0a4ec7eda868db86409b4543df0797f9"
+checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
 dependencies = [
  "pin-project-lite",
  "tracing-attributes",
@@ -2812,9 +2856,9 @@ dependencies = [
 
 [[package]]
 name = "ttf-parser"
-version = "0.19.2"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49d64318d8311fc2668e48b63969f4343e0a85c4a109aa8460d6672e364b8bd1"
+checksum = "17f77d76d837a7830fe1d4f12b7b4ba4192c1888001c7164257e4bc6d21d96b4"
 
 [[package]]
 name = "typenum"
@@ -3084,9 +3128,9 @@ dependencies = [
 
 [[package]]
 name = "web-time"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8208e3fdbc243c8fd30805721869242a7f6de3e2e9f3b057652ab36e52ae1e87"
+checksum = "57099a701fb3a8043f993e8228dc24229c7b942e2b009a1b962e54489ba1d3bf"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -3351,9 +3395,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.5.17"
+version = "0.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3b801d0e0a6726477cc207f60162da452f3a95adb368399bef20a946e06f65c"
+checksum = "176b6138793677221d420fd2f0aeeced263f197688b36484660da767bca2fa32"
 dependencies = [
  "memchr",
 ]
@@ -3434,7 +3478,7 @@ dependencies = [
  "async-broadcast",
  "async-executor",
  "async-fs",
- "async-io",
+ "async-io 1.13.0",
  "async-lock",
  "async-process",
  "async-recursion",
@@ -3491,6 +3535,26 @@ dependencies = [
  "zvariant",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd66a62464e3ffd4e37bd09950c2b9dd6c4f8767380fabba0d523f9a775bc85a"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "255c4596d41e6916ced49cfafea18727b24d67878fa180ddfd69b9df34fd1726"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+]
+
 [[package]]
 name = "zvariant"
 version = "3.15.0"
diff --git a/Cargo.toml b/Cargo.toml
index b191625..a3b2a10 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ log = "0.4.20"
 mapfile_parser = "2.2.1"
 notify = "6.1.1"
 parse_int = "0.6.0"
-rfd = "0.12.0"
+rfd = "0.12.1"
 serde = "1.0"
 serde_json = "1.0"
 
diff --git a/src/app.rs b/src/app.rs
index 0be8525..9f469e7 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -14,7 +14,7 @@ use crate::{
     bin_file::BinFile,
     config::read_json_config,
     diff_state::DiffState,
-    hex_view::{HexView, HexViewSelection, HexViewSelectionState},
+    hex_view::{HexView, HexViewSelection, HexViewSelectionSide, HexViewSelectionState},
 };
 
 #[derive(Default)]
@@ -278,7 +278,12 @@ impl eframe::App for BdiffApp {
             extrusion: 0.0,
             color: egui::Color32::TRANSPARENT,
         };
+        style.visuals.window_shadow = Shadow {
+            extrusion: 0.0,
+            color: egui::Color32::TRANSPARENT,
+        };
         style.visuals.menu_rounding = Rounding::default();
+        style.visuals.window_rounding = Rounding::default();
         ctx.set_style(style);
 
         let cursor_state: CursorState = ctx.input(|i| {
@@ -314,6 +319,35 @@ impl eframe::App for BdiffApp {
             }
         }
 
+        // Copy selection
+        if ctx.input(|i| i.modifiers.command && i.key_pressed(egui::Key::C)) {
+            let mut selection = String::new();
+
+            for hv in self.hex_views.iter() {
+                if self.last_selected_hv.is_some() && hv.id == self.last_selected_hv.unwrap() {
+                    let selected_bytes = hv.get_selected_bytes();
+
+                    let selected_bytes: String = match hv.selection.side {
+                        HexViewSelectionSide::Hex => selected_bytes
+                            .iter()
+                            .map(|b| format!("{:02X}", b))
+                            .collect::<Vec<String>>()
+                            .join(" "),
+                        HexViewSelectionSide::Ascii => {
+                            String::from_utf8_lossy(&selected_bytes).to_string()
+                        }
+                    };
+                    // convert selected_bytes to an ascii string
+
+                    selection.push_str(&selected_bytes.to_string());
+                }
+            }
+
+            if !selection.is_empty() {
+                ctx.output_mut(|o| o.copied_text = selection);
+            }
+        }
+
         // Menu bar
         egui::TopBottomPanel::top("top_panel").show(ctx, |ui| {
             egui::menu::bar(ui, |ui| {
diff --git a/src/hex_view.rs b/src/hex_view.rs
index 04f2481..0c4fe02 100644
--- a/src/hex_view.rs
+++ b/src/hex_view.rs
@@ -5,10 +5,9 @@ use eframe::{
 };
 
 use crate::{
-    app::CursorState, bin_file::read_file_bytes, data_viewer::DataViewer, diff_state::DiffState,
-    map_tool::MapTool, string_viewer::StringViewer,
+    app::CursorState, bin_file::read_file_bytes, bin_file::BinFile, data_viewer::DataViewer,
+    diff_state::DiffState, map_tool::MapTool, string_viewer::StringViewer, widget::spacer::Spacer,
 };
-use crate::{bin_file::BinFile, spacer::Spacer};
 
 #[derive(Clone, Debug, Default, PartialEq)]
 pub struct HexViewSelectionRange {
@@ -24,10 +23,18 @@ pub enum HexViewSelectionState {
     Selected,
 }
 
+#[derive(Clone, Default, Debug, PartialEq)]
+pub enum HexViewSelectionSide {
+    #[default]
+    Hex,
+    Ascii,
+}
+
 #[derive(Clone, Debug, Default, PartialEq)]
 pub struct HexViewSelection {
     pub range: HexViewSelectionRange,
     pub state: HexViewSelectionState,
+    pub side: HexViewSelectionSide,
 }
 
 impl HexViewSelection {
@@ -45,10 +52,11 @@ impl HexViewSelection {
             && grid_pos <= self.end()
     }
 
-    pub fn begin(&mut self, grid_pos: usize) {
+    pub fn begin(&mut self, grid_pos: usize, side: HexViewSelectionSide) {
         self.range.first = grid_pos;
         self.range.second = grid_pos;
         self.state = HexViewSelectionState::Selecting;
+        self.side = side;
     }
 
     pub fn update(&mut self, grid_pos: usize) {
@@ -64,6 +72,7 @@ impl HexViewSelection {
         self.range.first = 0;
         self.range.second = 0;
         self.state = HexViewSelectionState::None;
+        self.side = HexViewSelectionSide::default();
     }
 
     pub fn adjust_cur_pos(&mut self, delta: isize) {
@@ -201,7 +210,7 @@ impl HexView {
 
                         let mut r = 0;
                         while r < self.num_rows {
-                            let row = row_chunks.next().unwrap_or_default();
+                            let row: &[u8] = row_chunks.next().unwrap_or_default();
 
                             let num_digits = match self.file.data.len() {
                                 //0..=0xFFFF => 4,
@@ -299,6 +308,7 @@ impl HexView {
                                             cursor_state,
                                             row_current_pos,
                                             ctx,
+                                            HexViewSelectionSide::Hex,
                                         );
                                     }
                                 }
@@ -358,6 +368,7 @@ impl HexView {
                                             cursor_state,
                                             row_current_pos,
                                             ctx,
+                                            HexViewSelectionSide::Ascii,
                                         );
                                     }
                                 }
@@ -386,10 +397,11 @@ impl HexView {
         cursor_state: CursorState,
         row_current_pos: usize,
         ctx: &egui::Context,
+        side: HexViewSelectionSide,
     ) {
         if res.hovered() {
             if cursor_state == CursorState::Pressed {
-                self.selection.begin(row_current_pos);
+                self.selection.begin(row_current_pos, side);
             }
 
             self.cursor_pos = Some(row_current_pos);
diff --git a/src/main.rs b/src/main.rs
index 7de4109..beb25e4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,9 +8,9 @@ mod diff_state;
 mod hex_view;
 mod map_file;
 mod map_tool;
-mod spacer;
 mod string_viewer;
 mod watcher;
+mod widget;
 
 use std::path::PathBuf;
 
diff --git a/src/widget/mod.rs b/src/widget/mod.rs
new file mode 100644
index 0000000..efaf394
--- /dev/null
+++ b/src/widget/mod.rs
@@ -0,0 +1 @@
+pub(crate) mod spacer;
diff --git a/src/spacer.rs b/src/widget/spacer.rs
similarity index 100%
rename from src/spacer.rs
rename to src/widget/spacer.rs