From d310bbe10ecebade23ce2919a192b0c9df767c1a Mon Sep 17 00:00:00 2001
From: Michael Zhang <mail@mzhang.io>
Date: Thu, 25 Feb 2021 21:54:41 -0600
Subject: [PATCH] add async generator library

---
 Cargo.lock             | 453 +++++++++++++++++++++++++++++++++++------
 Cargo.toml             |   1 +
 imap/Cargo.toml        |   5 +-
 imap/src/client/mod.rs |  18 +-
 src/lib.rs             |   1 +
 src/mail/mod.rs        |   8 +-
 src/ui/drawable.rs     |   3 +
 src/ui/mod.rs          |   2 +
 8 files changed, 419 insertions(+), 72 deletions(-)
 create mode 100644 src/ui/drawable.rs

diff --git a/Cargo.lock b/Cargo.lock
index 5116a36..219e1b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "adler"
-version = "0.2.3"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+checksum = "bedc89c5c7b5550ffb9372eb5c5ffc7f9f705cc3f4a128bd4669b9745f555093"
 
 [[package]]
 name = "aes"
@@ -53,6 +53,18 @@ version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
 
+[[package]]
+name = "arrayref"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
+
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "assert_matches"
 version = "1.5.0"
@@ -66,8 +78,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -111,12 +123,35 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46afbd2983a5d5a7bd740ccb198caf5b82f45c40c09c0eed36052d91cb92e719"
 
+[[package]]
+name = "bitflags"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "blake2b_simd"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afa748e348ad3be8263be728124b24a24f268266f6f5d58af9d75f6a40b5c587"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "constant_time_eq",
+]
+
+[[package]]
+name = "block"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
+
 [[package]]
 name = "block-buffer"
 version = "0.7.3"
@@ -283,7 +318,7 @@ checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
 dependencies = [
  "ansi_term",
  "atty",
- "bitflags",
+ "bitflags 1.2.1",
  "strsim 0.8.0",
  "textwrap",
  "unicode-width",
@@ -310,6 +345,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.1"
@@ -347,13 +388,24 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "crossbeam-utils"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7e9d99fa91428effe99c5c6d4634cdeba32b8cf784fc428a2a687f61a952c49"
+dependencies = [
+ "autocfg 1.0.1",
+ "cfg-if 1.0.0",
+ "lazy_static",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c36c10130df424b2f3552fcc2ddcd9b28a27b1e54b358b45874f88d1ca6888c"
 dependencies = [
- "bitflags",
+ "bitflags 1.2.1",
  "crossterm_winapi",
  "lazy_static",
  "libc",
@@ -404,9 +456,9 @@ dependencies = [
  "fnv",
  "ident_case",
  "proc-macro2",
- "quote",
+ "quote 1.0.9",
  "strsim 0.9.3",
- "syn",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -416,8 +468,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b5a2f4ac4969822c62224815d069952656cadc7084fdca9751e6d959189b72"
 dependencies = [
  "darling_core",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
+]
+
+[[package]]
+name = "dbus"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f597e08dfa79b593f23bbfc7840b23b2c5aa2e3a98d8e68b67b5b9ff800dc0db"
+dependencies = [
+ "libc",
+ "libdbus-sys",
 ]
 
 [[package]]
@@ -429,8 +491,8 @@ dependencies = [
  "darling",
  "derive_builder_core",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -441,8 +503,8 @@ checksum = "2791ea3e372c8495c0bc2033991d76b512cd799d07491fbd6890124db9458bef"
 dependencies = [
  "darling",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -474,6 +536,17 @@ dependencies = [
  "generic-array 0.14.4",
 ]
 
+[[package]]
+name = "dirs"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi",
+]
+
 [[package]]
 name = "ed25519"
 version = "1.0.3"
@@ -549,8 +622,8 @@ checksum = "b05089e341a0460449e2210c3bf7b61597860b07f0deae58da38dbed0a4c6b6d"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -609,8 +682,8 @@ checksum = "ea405816a5139fb39af82c2beb921d52143f556038378d6db21183a5c37fbfb7"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -645,6 +718,37 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "genawaiter"
+version = "0.99.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c86bd0361bcbde39b13475e6e36cb24c329964aa2611be285289d1e4b751c1a0"
+dependencies = [
+ "futures-core",
+ "genawaiter-macro",
+ "genawaiter-proc-macro",
+ "proc-macro-hack",
+]
+
+[[package]]
+name = "genawaiter-macro"
+version = "0.99.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b32dfe1fdfc0bbde1f22a5da25355514b5e450c33a6af6770884c8750aedfbc"
+
+[[package]]
+name = "genawaiter-proc-macro"
+version = "0.99.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "784f84eebc366e15251c4a8c3acee82a6a6f427949776ecb88377362a9621738"
+dependencies = [
+ "proc-macro-error 0.4.12",
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote 1.0.9",
+ "syn 1.0.60",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.12.3"
@@ -711,7 +815,7 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d19f57db1baad9d09e43a3cd76dcf82ebdafd37d75c9498b87762dba77c93f15"
 dependencies = [
- "bitflags",
+ "bitflags 1.2.1",
  "futures-core",
  "inotify-sys",
  "libc",
@@ -766,6 +870,15 @@ version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
 
+[[package]]
+name = "libdbus-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc12a3bc971424edbbf7edaf6e5740483444db63aa8e23d3751ff12a30f306f0"
+dependencies = [
+ "pkg-config",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.1"
@@ -790,6 +903,27 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "mac-notification-sys"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3dfb6b71a9a89cd38b395d994214297447e8e63b1ba5708a9a2b0b1048ceda76"
+dependencies = [
+ "cc",
+ "chrono",
+ "dirs",
+ "objc-foundation",
+]
+
+[[package]]
+name = "malloc_buf"
+version = "0.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62bb907fe88d54d8d9ce32a3cceab4218ed2f6b7d35617cafe9adf84e43919cb"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "maplit"
 version = "1.0.2"
@@ -815,9 +949,9 @@ checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
+checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
 dependencies = [
  "adler",
  "autocfg 1.0.1",
@@ -856,6 +990,17 @@ dependencies = [
  "version_check 0.1.5",
 ]
 
+[[package]]
+name = "notify-rust"
+version = "4.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95a3a5dd7b4b415b112ce0fae1988f3e6dee90a96918bf3950b5f2289b19a04b"
+dependencies = [
+ "dbus",
+ "mac-notification-sys",
+ "winrt-notification",
+]
+
 [[package]]
 name = "ntapi"
 version = "0.3.6"
@@ -902,8 +1047,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -947,10 +1092,39 @@ dependencies = [
 ]
 
 [[package]]
-name = "once_cell"
-version = "1.6.0"
+name = "objc"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ad167a2f54e832b82dbe003a046280dceffe5227b5f79e08e363a29638cfddd"
+checksum = "915b1b472bc21c53464d6c8461c9d3af805ba1ef837e1cac254428f4a77177b1"
+dependencies = [
+ "malloc_buf",
+]
+
+[[package]]
+name = "objc-foundation"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1add1b659e36c9607c7aab864a76c7a4c2760cd0cd2e120f3fb8b952c7e22bf9"
+dependencies = [
+ "block",
+ "objc",
+ "objc_id",
+]
+
+[[package]]
+name = "objc_id"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92d4ddb4bd7b50d730c215ff871754d0da6b2178849f8a2a2ab69712d0c073b"
+dependencies = [
+ "objc",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10acf907b94fc1b1a152d08ef97e7759650268cf986bf127f387e602b02c7e5a"
 
 [[package]]
 name = "opaque-debug"
@@ -984,6 +1158,7 @@ dependencies = [
  "futures",
  "inotify",
  "log",
+ "notify-rust",
  "panorama-imap",
  "panorama-smtp",
  "parking_lot",
@@ -1010,6 +1185,7 @@ dependencies = [
  "async-trait",
  "derive_builder",
  "futures",
+ "genawaiter",
  "log",
  "parking_lot",
  "pest",
@@ -1043,7 +1219,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.5",
  "smallvec",
  "winapi",
 ]
@@ -1087,8 +1263,8 @@ dependencies = [
  "pest",
  "pest_meta",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1167,8 +1343,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "758669ae3558c6f74bd2a18b41f7ac0b5a195aea6639d6a9b5e5d1ad5ba24c0b"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1183,22 +1359,54 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
+[[package]]
+name = "proc-macro-error"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18f33027081eba0a6d8aba6d1b1c3a3be58cbb12106341c2d5759fcd9b5277e7"
+dependencies = [
+ "proc-macro-error-attr 0.4.12",
+ "proc-macro2",
+ "quote 1.0.9",
+ "syn 1.0.60",
+ "version_check 0.9.2",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
- "proc-macro-error-attr",
+ "proc-macro-error-attr 1.0.4",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
+ "version_check 0.9.2",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a5b4b77fdb63c1eca72173d68d24501c54ab1269409f6b672c85deb18af69de"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.9",
+ "syn 1.0.60",
+ "syn-mid",
  "version_check 0.9.2",
 ]
 
@@ -1209,7 +1417,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
  "proc-macro2",
- "quote",
+ "quote 1.0.9",
  "version_check 0.9.2",
 ]
 
@@ -1231,9 +1439,15 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
- "unicode-xid",
+ "unicode-xid 0.2.1",
 ]
 
+[[package]]
+name = "quote"
+version = "0.3.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
+
 [[package]]
 name = "quote"
 version = "1.0.9"
@@ -1284,13 +1498,30 @@ dependencies = [
  "rand_core",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94341e4e44e24f6b591b59e47a8a027df12e008d73fd5672dbea9cc22f4507d9"
 dependencies = [
- "bitflags",
+ "bitflags 1.2.1",
+]
+
+[[package]]
+name = "redox_users"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
+dependencies = [
+ "getrandom",
+ "redox_syscall 0.1.57",
+ "rust-argon2",
 ]
 
 [[package]]
@@ -1356,6 +1587,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rust-argon2"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b18820d944b33caa75a71378964ac46f58517c92b6ae5f762636247c09e78fb"
+dependencies = [
+ "base64 0.13.0",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "rustls"
 version = "0.19.0"
@@ -1427,11 +1670,11 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "2.0.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1759c2e3c8580017a484a7ac56d3abc5a6c1feadf88db2f3633f12ae4268c69"
+checksum = "2dfd318104249865096c8da1dfabf09ddbb6d0330ea176812a62ec75e40c4166"
 dependencies = [
- "bitflags",
+ "bitflags 1.2.1",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -1440,9 +1683,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.0.0"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f99b9d5e26d2a71633cc4f2ebae7cc9f874044e0c351a27e17892d76dce5678b"
+checksum = "dee48cdde5ed250b0d3252818f646e174ab414036edb884dde62d80a3ac6082d"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -1464,8 +1707,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1624,10 +1867,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
 dependencies = [
  "heck",
- "proc-macro-error",
+ "proc-macro-error 1.0.4",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
+]
+
+[[package]]
+name = "strum"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ca6e4730f517e041e547ffe23d29daab8de6b73af4b6ae2a002108169f5e7da"
+
+[[package]]
+name = "strum_macros"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3384590878eb0cab3b128e844412e2d010821e7e091211b9d87324173ada7db8"
+dependencies = [
+ "quote 0.3.15",
+ "syn 0.11.11",
 ]
 
 [[package]]
@@ -1636,6 +1895,17 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
+[[package]]
+name = "syn"
+version = "0.11.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
+dependencies = [
+ "quote 0.3.15",
+ "synom",
+ "unicode-xid 0.0.4",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.60"
@@ -1643,8 +1913,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
 dependencies = [
  "proc-macro2",
- "quote",
- "unicode-xid",
+ "quote 1.0.9",
+ "unicode-xid 0.2.1",
+]
+
+[[package]]
+name = "syn-mid"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baa8e7560a164edb1621a55d18a0c59abf49d360f47aa7b821061dd7eea7fac9"
+dependencies = [
+ "proc-macro2",
+ "quote 1.0.9",
+ "syn 1.0.60",
+]
+
+[[package]]
+name = "synom"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
+dependencies = [
+ "unicode-xid 0.0.4",
 ]
 
 [[package]]
@@ -1654,9 +1944,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
- "unicode-xid",
+ "quote 1.0.9",
+ "syn 1.0.60",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -1684,8 +1974,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1726,8 +2016,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "caf7b11a536f46a809a8a9f0bb4237020f70ecbf115b842360afb127ea2fda57"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1822,6 +2112,12 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
+[[package]]
+name = "unicode-xid"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -1884,8 +2180,8 @@ dependencies = [
  "lazy_static",
  "log",
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
  "wasm-bindgen-shared",
 ]
 
@@ -1895,7 +2191,7 @@ version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b8853882eef39593ad4174dd26fc9865a64e84026d223f63bb2c42affcbba2c"
 dependencies = [
- "quote",
+ "quote 1.0.9",
  "wasm-bindgen-macro-support",
 ]
 
@@ -1906,8 +2202,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4133b5e7f2a531fa413b3a1695e925038a05a71cf67e87dafa295cb645a01385"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1969,6 +2265,28 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "winrt"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e30cba82e22b083dc5a422c2ee77e20dc7927271a0dc981360c57c1453cb48d"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winrt-notification"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57790eb281688a4682dab44df2a1ba8b78373233bd71cb291c3e75fecb1a01c4"
+dependencies = [
+ "strum",
+ "strum_macros",
+ "winapi",
+ "winrt",
+ "xml-rs",
+]
+
 [[package]]
 name = "x25519-dalek"
 version = "1.1.0"
@@ -1986,6 +2304,15 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
 
+[[package]]
+name = "xml-rs"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1945e12e16b951721d7976520b0832496ef79c31602c7a29d950de79ba74621"
+dependencies = [
+ "bitflags 0.9.1",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.2.0"
@@ -2002,7 +2329,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
 dependencies = [
  "proc-macro2",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
  "synstructure",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index a086051..8b86b4d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,7 @@ format-bytes = "0.2.0"
 futures = "0.3.13"
 inotify = { version = "0.9.2", features = ["stream"] }
 log = "0.4.14"
+notify-rust = "4.2.2"
 parking_lot = "0.11.1"
 pgp = "0.7.1"
 pin-project = "1.0.5"
diff --git a/imap/Cargo.toml b/imap/Cargo.toml
index 03fe539..69558ee 100644
--- a/imap/Cargo.toml
+++ b/imap/Cargo.toml
@@ -12,13 +12,14 @@ edition = "2018"
 maintenance = { status = "passively-maintained" }
 
 [dependencies]
+# nom = { version = "6.1.2", default-features = false, features = ["std"] }
+# owning_ref = "0.4.1"
 anyhow = "1.0.38"
 async-trait = "0.1.42"
 derive_builder = "0.9.0"
 futures = "0.3.12"
+genawaiter = { version = "0.99.1", features = ["futures03"] }
 log = "0.4.14"
-# nom = { version = "6.1.2", default-features = false, features = ["std"] }
-# owning_ref = "0.4.1"
 parking_lot = "0.11.1"
 pest = "2.1.3"
 pest_derive = "2.1.0"
diff --git a/imap/src/client/mod.rs b/imap/src/client/mod.rs
index 0a24af8..6932b86 100644
--- a/imap/src/client/mod.rs
+++ b/imap/src/client/mod.rs
@@ -39,7 +39,9 @@ mod inner;
 use std::sync::Arc;
 
 use anyhow::Result;
+use genawaiter::{sync::gen, yield_};
 use tokio::net::TcpStream;
+use futures::stream::Stream;
 use tokio_rustls::{
     client::TlsStream, rustls::ClientConfig as RustlsConfig, webpki::DNSNameRef, TlsConnector,
 };
@@ -169,10 +171,16 @@ impl ClientAuthenticated {
 
     /// Runs the SELECT command
     #[cfg(feature = "rfc2177-idle")]
-    pub async fn idle(&mut self) -> Result<()> {
-        let cmd = Command::Idle;
-        let resp = self.execute(cmd).await?;
-        debug!("idle response: {:?}", resp);
-        Ok(())
+    pub fn idle(&mut self) -> impl Stream<Item = ()> {
+        gen!({
+            loop {
+                tokio::time::sleep(std::time::Duration::from_secs(10)).await;
+                yield_!(());
+            }
+        })
+        // let cmd = Command::Idle;
+        // let resp = self.execute(cmd).await?;
+        // debug!("idle response: {:?}", resp);
+        // Ok(())
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index f577e6f..e231bc0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,7 @@
 //! Panorama
 //! ===
 
+#![deny(unsafe_code)]
 #![deny(missing_docs)]
 // TODO: get rid of this before any kind of public release
 #![allow(unused_imports, unused_variables)]
diff --git a/src/mail/mod.rs b/src/mail/mod.rs
index e0c8e11..e5d5f41 100644
--- a/src/mail/mod.rs
+++ b/src/mail/mod.rs
@@ -110,8 +110,12 @@ async fn imap_main(acct: MailAccountConfig) -> Result<()> {
             debug!("listing all emails...");
             let folder_tree = authed.list().await?;
 
-            let idle = authed.idle().await?;
-            debug!("heartbeat");
+            let mut idle_stream = authed.idle();
+
+            loop {
+                idle_stream.next().await;
+                debug!("got an event");
+            }
         }
     }
 }
diff --git a/src/ui/drawable.rs b/src/ui/drawable.rs
new file mode 100644
index 0000000..d8c41f1
--- /dev/null
+++ b/src/ui/drawable.rs
@@ -0,0 +1,3 @@
+pub trait Drawable {
+
+}
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
index 32d0918..248dc4f 100644
--- a/src/ui/mod.rs
+++ b/src/ui/mod.rs
@@ -1,5 +1,7 @@
 //! UI
 
+mod drawable;
+mod tabs;
 mod table;
 
 use std::fmt::Debug;