From 475ed1426e34cda4e944a3a721fb80a525693a37 Mon Sep 17 00:00:00 2001
From: Archer <foo@bar.com>
Date: Thu, 31 Oct 2024 13:48:22 +0800
Subject: [PATCH] Add copy paste. Save vars on clearing them

---
 Cargo.lock | 464 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 Cargo.toml |   3 +-
 README.md  |   1 +
 src/app.rs |  16 +-
 src/lib.rs |  18 ++-
 src/ui.rs  |  10 +-
 6 files changed, 484 insertions(+), 28 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 909d7f4..ed5b3ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "adler2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
+
 [[package]]
 name = "ahash"
 version = "0.8.11"
@@ -20,18 +26,63 @@ version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
 
+[[package]]
+name = "arboard"
+version = "3.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df099ccb16cd014ff054ac1bf392c67feeef57164b05c42f037cd40f5d4357f4"
+dependencies = [
+ "clipboard-win",
+ "core-graphics",
+ "image",
+ "log",
+ "objc2",
+ "objc2-app-kit",
+ "objc2-foundation",
+ "parking_lot",
+ "windows-sys 0.48.0",
+ "x11rb",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "block2"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c132eebf10f5cad5289222520a4a058514204aed6d791f1cf4fe8088b82d15f"
+dependencies = [
+ "objc2",
+]
+
+[[package]]
+name = "bytemuck"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8334215b81e418a0a7bdb8ef0849474f40bb10c8b71f1c4ed315cff49f32494d"
+
+[[package]]
+name = "byteorder-lite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
+
 [[package]]
 name = "cassowary"
 version = "0.3.0"
@@ -53,6 +104,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clipboard-win"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15efe7a882b08f34e38556b14f2fb3daa98769d06c7f0c1b076dfd0d983bc892"
+dependencies = [
+ "error-code",
+]
+
 [[package]]
 name = "compact_str"
 version = "0.8.0"
@@ -67,13 +127,62 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "core-foundation"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
+[[package]]
+name = "core-graphics"
+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c07782be35f9e1140080c6b96f0d44b739e2278479f64e02fdab4e32dfd8b081"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "core-graphics-types",
+ "foreign-types",
+ "libc",
+]
+
+[[package]]
+name = "core-graphics-types"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45390e6114f68f718cc7a830514a96f903cccd70d02a8f6d9f643ac4ba45afaf"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "libc",
+]
+
+[[package]]
+name = "crc32fast"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "829d955a0bb380ef178a640b91779e3987da38c9aea133b20614cfed8cdea9c6"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
  "crossterm_winapi",
  "mio",
  "parking_lot",
@@ -126,7 +235,69 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "error-code"
+version = "3.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d9305ccc6942a704f4335694ecd3de2ea531b114ac2d51f5f843750787a92f"
+
+[[package]]
+name = "fdeflate"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07c6f4c64c1d33a3111c4466f7365ebdcc37c5bd1ea0d62aae2e3d722aacbedb"
+dependencies = [
+ "simd-adler32",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "foreign-types"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d737d9aa519fb7b749cbc3b962edcf310a8dd1f4b67c91c4f83975dbdd17d965"
+dependencies = [
+ "foreign-types-macros",
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-macros"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa9a19cbb55df58761df49b23516a86d432839add4af60fc256da840f66ed35b"
+
+[[package]]
+name = "gethostname"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0176e0459c2e4a1fe232f984bca6890e681076abb9934f6cea7c326f3fc47818"
+dependencies = [
+ "libc",
+ "windows-targets 0.48.5",
 ]
 
 [[package]]
@@ -162,6 +333,19 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
+[[package]]
+name = "image"
+version = "0.25.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc144d44a31d753b02ce64093d532f55ff8dc4ebf2ffb8a63c0dda691385acae"
+dependencies = [
+ "bytemuck",
+ "byteorder-lite",
+ "num-traits",
+ "png",
+ "tiff",
+]
+
 [[package]]
 name = "instability"
 version = "0.3.2"
@@ -187,6 +371,12 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5d4a7da358eff58addd2877a45865158f0d78c911d43a5784ceb7bbf52833b0"
+
 [[package]]
 name = "libc"
 version = "0.2.158"
@@ -199,7 +389,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
  "libc",
 ]
 
@@ -234,6 +424,16 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
+dependencies = [
+ "adler2",
+ "simd-adler32",
+]
+
 [[package]]
 name = "mio"
 version = "1.0.2"
@@ -244,7 +444,115 @@ dependencies = [
  "libc",
  "log",
  "wasi",
- "windows-sys",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "objc-sys"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb91bdd390c7ce1a8607f35f3ca7151b65afc0ff5ff3b34fa350f7d7c7e4310"
+
+[[package]]
+name = "objc2"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46a785d4eeff09c14c487497c162e92766fbb3e4059a71840cecc03d9a50b804"
+dependencies = [
+ "objc-sys",
+ "objc2-encode",
+]
+
+[[package]]
+name = "objc2-app-kit"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4e89ad9e3d7d297152b17d39ed92cd50ca8063a89a9fa569046d41568891eff"
+dependencies = [
+ "bitflags 2.6.0",
+ "block2",
+ "libc",
+ "objc2",
+ "objc2-core-data",
+ "objc2-core-image",
+ "objc2-foundation",
+ "objc2-quartz-core",
+]
+
+[[package]]
+name = "objc2-core-data"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "617fbf49e071c178c0b24c080767db52958f716d9eabdf0890523aeae54773ef"
+dependencies = [
+ "bitflags 2.6.0",
+ "block2",
+ "objc2",
+ "objc2-foundation",
+]
+
+[[package]]
+name = "objc2-core-image"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55260963a527c99f1819c4f8e3b47fe04f9650694ef348ffd2227e8196d34c80"
+dependencies = [
+ "block2",
+ "objc2",
+ "objc2-foundation",
+ "objc2-metal",
+]
+
+[[package]]
+name = "objc2-encode"
+version = "4.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7891e71393cd1f227313c9379a26a584ff3d7e6e7159e988851f0934c993f0f8"
+
+[[package]]
+name = "objc2-foundation"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ee638a5da3799329310ad4cfa62fbf045d5f56e3ef5ba4149e7452dcf89d5a8"
+dependencies = [
+ "bitflags 2.6.0",
+ "block2",
+ "libc",
+ "objc2",
+]
+
+[[package]]
+name = "objc2-metal"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd0cba1276f6023976a406a14ffa85e1fdd19df6b0f737b063b95f6c8c7aadd6"
+dependencies = [
+ "bitflags 2.6.0",
+ "block2",
+ "objc2",
+ "objc2-foundation",
+]
+
+[[package]]
+name = "objc2-quartz-core"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e42bee7bff906b14b167da2bac5efe6b6a07e6f7c0a21a7308d40c960242dc7a"
+dependencies = [
+ "bitflags 2.6.0",
+ "block2",
+ "objc2",
+ "objc2-foundation",
+ "objc2-metal",
 ]
 
 [[package]]
@@ -273,7 +581,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-targets",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -282,6 +590,19 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "png"
+version = "0.17.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52f9d46a34a05a6a57566bc2bfae066ef07585a6e3fa30fbbdff5936380623f0"
+dependencies = [
+ "bitflags 1.3.2",
+ "crc32fast",
+ "fdeflate",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -293,8 +614,9 @@ dependencies = [
 
 [[package]]
 name = "qcalc"
-version = "0.14.4"
+version = "0.15.0"
 dependencies = [
+ "arboard",
  "crossterm",
  "dirs-next",
  "ratatui",
@@ -316,7 +638,7 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fdef7f9be5c0122f890d58bdf4d964349ba6a6161f705907526d891efabba57d"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
  "cassowary",
  "compact_str",
  "crossterm",
@@ -337,7 +659,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a908a6e00f1fdd0dfd9c0eb08ce85126f6d8bbda50017e74bc4a4b7d4a926a4"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
@@ -357,11 +679,11 @@ version = "0.38.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f55e80d50763938498dd5ebb18647174e0c76dc38c5505294bb224624f30f36"
 dependencies = [
- "bitflags",
+ "bitflags 2.6.0",
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -412,6 +734,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "smallvec"
 version = "1.13.2"
@@ -477,6 +805,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba1310fcea54c6a9a4fd1aad794ecc02c31682f6bfbecdf460bf19533eed1e3e"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "tui-textarea"
 version = "0.6.1"
@@ -529,6 +868,12 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "weezl"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53a85b86a771b1c87058196170769dd264f66c0782acf1ae6cc51bfd64b39082"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -551,13 +896,37 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
 ]
 
 [[package]]
@@ -566,28 +935,46 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
  "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -600,30 +987,71 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "x11rb"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d91ffca73ee7f68ce055750bf9f6eca0780b8c85eff9bc046a3b0da41755e12"
+dependencies = [
+ "gethostname",
+ "rustix",
+ "x11rb-protocol",
+]
+
+[[package]]
+name = "x11rb-protocol"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec107c4503ea0b4a98ef47356329af139c0a4f7750e621cf2973cd3385ebcb3d"
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
diff --git a/Cargo.toml b/Cargo.toml
index c6b7fd9..f6ec0e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "qcalc"
-version = "0.14.4"
+version = "0.15.0"
 edition = "2021"
 authors = ["ochir <ochir_erkhembayar@yahoo.com>"]
 description = """
@@ -20,6 +20,7 @@ include = [
 ]
 
 [dependencies]
+arboard = "3.4.1"
 crossterm = ">=0.27.0"
 dirs-next = ">=2.0.0"
 ratatui = ">=0.25.0"
diff --git a/README.md b/README.md
index 777ce29..25e1008 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ The software is provided "as is," without warranty of any kind, express or impli
 
 ### Features
 - Functions as types `let pow = |a, b| a ** b` `map([1, 2, 3], |x| x ** 3)`
+- Copy paste
 - Saves expressions which you can re-populate your input field with
 - Ability to save calculation results in variables
 - Built in functions
diff --git a/src/app.rs b/src/app.rs
index 2570c38..4e942fe 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -4,6 +4,7 @@ use std::{
     path::PathBuf,
 };
 
+use arboard::Clipboard;
 use ratatui::{
     style::{Color, Style},
     widgets::{Block, Borders, Padding},
@@ -31,12 +32,13 @@ pub struct App<'ta> {
     pub expr_selector: usize,
     pub should_quit: bool,
     pub popup: Option<Popup>,
+    pub clipboard: Clipboard,
     should_save: bool,
     rc_file: PathBuf,
 }
 
 impl<'ta> App<'ta> {
-    pub fn new(rc_file: PathBuf, should_save: bool) -> Self {
+    pub fn new(rc_file: PathBuf, should_save: bool, clipboard: Clipboard) -> Self {
         let file = OpenOptions::new()
             .read(true)
             .write(true)
@@ -48,6 +50,7 @@ impl<'ta> App<'ta> {
             input: textarea(None, None, None),
             output: None,
             err: None,
+            clipboard,
             interpreter: Interpreter::new(),
             expr_history: Vec::new(),
             expr_selector: 0,
@@ -109,12 +112,17 @@ impl<'ta> App<'ta> {
 
     pub fn reset_vars(&mut self) {
         self.interpreter.reset_vars();
+        self.update_rc();
     }
 
     pub fn input(&mut self, input: Input) {
         self.input.input(input);
     }
 
+    pub fn paste(&mut self, text: &str) {
+        self.input.insert_str(text);
+    }
+
     pub fn eval(&mut self) {
         let input = &self.input.lines()[0];
         let mut tokenizer = Tokenizer::new(input.chars().peekable()).peekable();
@@ -213,7 +221,7 @@ fn textarea<'a>(
     } else {
         TextArea::default()
     };
-    textarea.set_placeholder_text(placeholder.unwrap_or("Start typing..."));
+    textarea.set_placeholder_text(placeholder.unwrap_or("Ctrl + v to paste"));
     textarea.set_block(
         Block::default()
             .title(title.unwrap_or("Input"))
@@ -234,12 +242,12 @@ mod tests {
     const TEST_FILE: &str = "./test";
 
     fn new_app<'a>() -> App<'a> {
-        App::new(PathBuf::from(TEST_FILE), false)
+        App::new(PathBuf::from(TEST_FILE), false, Clipboard::new().unwrap())
     }
 
     fn new_app_empty_rc<'a>() -> App<'a> {
         File::create(TEST_FILE).expect("Failed to create test file");
-        App::new(PathBuf::from(TEST_FILE), true)
+        App::new(PathBuf::from(TEST_FILE), true, Clipboard::new().unwrap())
     }
 
     fn input_and_evaluate(app: &mut App, input: &str) {
diff --git a/src/lib.rs b/src/lib.rs
index ba43180..29b1532 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,9 +1,11 @@
+use arboard::Clipboard;
 use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
 use interpreter::{Interpreter, Value};
 use parse::Parser;
 use ratatui::{prelude::CrosstermBackend, Terminal};
 use std::{error::Error, io};
 use token::Tokenizer;
+use tui_textarea::Input;
 
 use app::{App, Popup};
 use event::{Event, EventHandler};
@@ -27,7 +29,7 @@ pub fn tui() -> Result<(), Box<dyn Error>> {
     tui.enter().expect("Failed to initialise TUI");
     let mut rc_file = dirs_next::home_dir().expect("Could not find home directory");
     rc_file.push(RC_PATH);
-    let mut app = App::new(rc_file, true);
+    let mut app = App::new(rc_file, true, Clipboard::new()?);
 
     while !app.should_quit {
         tui.draw(&mut app)?;
@@ -70,12 +72,24 @@ fn update(app: &mut App, key_event: KeyEvent) {
             {
                 app.input_select(false);
             }
-            KeyCode::Char('v') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
+            KeyCode::Char('d') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
                 app.reset_vars();
             }
+            KeyCode::Char('c') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
+                if let Some(output) = app.output.as_ref() {
+                    match app.clipboard.set_text(output.to_string()) {
+                        Ok(_) => {}
+                        Err(err) => app.err = Some(err.to_string()),
+                    }
+                }
+            }
             KeyCode::Char('h') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
                 app.popup = Some(Popup::Help);
             }
+            KeyCode::Char('v') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
+                let text = app.clipboard.get_text().unwrap();
+                app.paste(&text);
+            }
             KeyCode::Char('l') if key_event.modifiers.contains(KeyModifiers::CONTROL) => {
                 app.popup = Some(Popup::Language);
             }
diff --git a/src/ui.rs b/src/ui.rs
index eeffbee..76ecf58 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -103,7 +103,11 @@ pub fn render(app: &mut App, f: &mut Frame) {
             let (content, color, border_color) = if let Some(msg) = &app.err {
                 (format!("ERROR: {}", msg), Color::Red, Color::Red)
             } else if let Some(msg) = &app.output {
-                (format!("Result: {}", msg), Color::Green, Color::Green)
+                (
+                    format!("Result: {}    (Ctrl + c to copy)", msg),
+                    Color::Green,
+                    Color::Green,
+                )
             } else {
                 (
                     "Press enter to evaluate expression".to_string(), // Could use lazy_static here
@@ -172,8 +176,8 @@ Examples: \"log10(100)\", \"cos(pi)\"
 
 Shortcuts
 ---------
-(Ctrl v) Reset vars
-(Ctrl x) Delete selected expression
+(Ctrl d) Reset variables
+(Ctrl x) Delete selected expression from history
 "
             }
             Popup::Function => {