implement more robust file watcher

wayland support doesn't fully work with gnome
(missing window decoration)

Cargo.lock

@@ -55,9 +55,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.52"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84450d0b4a8bd1ba4144ce8ce718fbc5d071358b1e5384bace6536b3d1f2d5b3"
+checksum = "94a45b455c14666b85fc40a019e8ab9eb75e3a124e05494f5397122bc9eb06e0"
 
 [[package]]
 name = "ariadne"
@@ -140,9 +140,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block-buffer"
@@ -155,9 +155,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.8.0"
+version = "3.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f1e260c3a9040a7c19a12468758f4c16f31a81a1fe087482be9570ec864bb6c"
+checksum = "a4a45a46ab1f2412e53d3a0ade76ffad2025804294569aae387231a0cd6e0899"
 
 [[package]]
 name = "cc"
@@ -184,7 +184,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4aedb84272dbe89af497cf81375129abda4fc0a9e7c5d317498c15cc30c0d27"
 dependencies = [
- "nom 5.1.2",
+ "nom",
 ]
 
 [[package]]
@@ -236,9 +236,9 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.46"
+version = "0.1.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7b858541263efe664aead4a5209a4ae5c5d2811167d4ed4ee0944503f8d2089"
+checksum = "e8ad8cef104ac57b68b89df3208164d228503abbdce70f6880ffa3d970e7443a"
 dependencies = [
  "cc",
 ]
@@ -375,18 +375,18 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "738c290dfaea84fc1ca15ad9c168d083b05a714e1efddd8edaab678dc28d2836"
+checksum = "a2209c310e29876f7f0b2721e7e26b84aff178aa3da5d091f9bfbf47669e60e3"
 dependencies = [
  "cfg-if 1.0.0",
 ]
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4"
+checksum = "e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-utils",
@@ -405,9 +405,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.5"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd"
+checksum = "97242a70df9b89a65d0b6df3c4bf5b9ce03c5b7309019777fbde37e7537f8762"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-utils",
@@ -418,9 +418,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120"
 dependencies = [
  "cfg-if 1.0.0",
  "lazy_static",
@@ -481,12 +481,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "downcast-rs"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
-
 [[package]]
 name = "either"
 version = "1.6.1"
@@ -626,9 +620,9 @@ checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
 name = "generic-array"
-version = "0.14.4"
+version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
+checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
 dependencies = [
  "typenum",
  "version_check",
@@ -636,9 +630,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -715,9 +709,9 @@ checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
 
 [[package]]
 name = "indexmap"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -773,9 +767,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.55"
+version = "0.3.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cc9ffccd38c451a86bf13657df244e9c3f37493cce8e5e21e940963777acc84"
+checksum = "a38fc24e30fd564ce974c02bf1d337caddff65be6cc4735a1f7eab22a7440f04"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -810,15 +804,15 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.113"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "eef78b64d87775463c549fbd80e19249ef436ea3bf1de2a1eb7e717ec7fab1e9"
 
 [[package]]
 name = "libloading"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afe203d669ec979b7128619bae5a63b7b42e9203c1b29146079ee05e2f604b52"
+checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd"
 dependencies = [
  "cfg-if 1.0.0",
  "winapi 0.3.9",
@@ -859,29 +853,19 @@ dependencies = [
 
 [[package]]
 name = "minifb"
-version = "0.19.3"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b6e41119d1667465608d36488fa5dcd228057a26c156e25f17f492f38435124"
+checksum = "f669be3941549a8291969021bf155ffb7bb337d4d2832d24ad7ab91c426c51a7"
 dependencies = [
  "cc",
+ "libc",
  "orbclient",
  "raw-window-handle 0.3.4",
- "tempfile",
- "wayland-client",
- "wayland-cursor",
- "wayland-protocols",
  "winapi 0.3.9",
  "x11-dl",
  "xkb",
- "xkbcommon-sys",
 ]
 
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
 [[package]]
 name = "miniz_oxide"
 version = "0.4.4"
@@ -952,19 +936,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "nix"
-version = "0.20.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5e06129fb611568ef4e868c14b326274959aa70ff7776e9d55323531c374945"
-dependencies = [
- "bitflags",
- "cc",
- "cfg-if 1.0.0",
- "libc",
- "memoffset",
-]
-
 [[package]]
 name = "nom"
 version = "5.1.2"
@@ -975,17 +946,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "nom"
-version = "7.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1d11e1ef389c76fe5b81bcaf2ea32cf88b62bc494e19f493d0b30e7a930109"
-dependencies = [
- "memchr",
- "minimal-lexical",
- "version_check",
-]
-
 [[package]]
 name = "notify"
 version = "4.0.17"
@@ -1043,12 +1003,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -1108,9 +1062,9 @@ checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "proc-macro-hack"
@@ -1144,9 +1098,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.12"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22849d5b648cf354b3d9aa83fc555f3496061bfd3b34e01824c40a621a260aa1"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
 dependencies = [
  "proc-macro2",
 ]
@@ -1294,15 +1248,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "remove_dir_all"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.21"
@@ -1369,18 +1314,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.132"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b9875c23cf305cd1fd7eb77234cbb705f21ea6a72c637a5c6db5fe4b8e7f008"
+checksum = "2cf9235533494ea2ddcdb794665461814781c53f19d87b76e571a1c35acbad2b"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.132"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc0db5cb2556c0e558887d9bbdcf6ac4471e83ff66cf696e5419024d1606276"
+checksum = "8dcde03d87d4c973c04be249e7d8f0b35db1c848c487bd43032808e59dd8328d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1389,9 +1334,9 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa"
+checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
 dependencies = [
  "block-buffer",
  "cfg-if 1.0.0",
@@ -1414,9 +1359,9 @@ checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
 
 [[package]]
 name = "smallvec"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "stable_deref_trait"
@@ -1432,9 +1377,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "syn"
-version = "1.0.84"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecb2e6da8ee5eb9a61068762a32fa9619cc591ceb055b3687f4cd4051ec2e06b"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1458,20 +1403,6 @@ version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9bffcddbc2458fa3e6058414599e3c838a022abae82e5c67b4f7f80298d5bff"
 
-[[package]]
-name = "tempfile"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "rand",
- "redox_syscall",
- "remove_dir_all",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.1.2"
@@ -1593,6 +1524,7 @@ dependencies = [
  "minifb",
  "notify",
  "pico-args",
+ "same-file",
  "uw8-tool",
  "wasmtime",
  "wat",
@@ -1625,9 +1557,9 @@ checksum = "d63556a25bae6ea31b52e640d7c41d1ab27faba4ccb600013837a3d0b3994ca1"
 
 [[package]]
 name = "version_check"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
 [[package]]
 name = "walkdir"
@@ -1674,9 +1606,9 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
+checksum = "25f1af7423d8588a3d840681122e72e6a24ddbcb3f0ec385cac0d12d24256c06"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -1684,9 +1616,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
+checksum = "8b21c0df030f5a177f3cba22e9bc4322695ec43e7257d865302900290bcdedca"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1699,9 +1631,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
+checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1709,9 +1641,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
+checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1722,9 +1654,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
+checksum = "3d958d035c4438e28c70e4321a2911302f10135ce78a9c7834c0cab4123d06a2"
 
 [[package]]
 name = "wasm-encoder"
@@ -1925,97 +1857,29 @@ dependencies = [
 
 [[package]]
 name = "wast"
-version = "38.0.1"
+version = "39.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae0d7b256bef26c898fa7344a2d627e8499f5a749432ce0a05eae1a64ff0c271"
+checksum = "e9bbbd53432b267421186feee3e52436531fa69a7cfee9403f5204352df3dd05"
 dependencies = [
  "leb128",
+ "memchr",
+ "unicode-width",
 ]
 
 [[package]]
 name = "wat"
-version = "1.0.40"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "adcfaeb27e2578d2c6271a45609f4a055e6d7ba3a12eff35b1fd5ba147bdf046"
+checksum = "ab98ed25494f97c69f28758617f27c3e92e5336040b5c3a14634f2dd3fe61830"
 dependencies = [
  "wast",
 ]
 
-[[package]]
-name = "wayland-client"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3ab332350e502f159382201394a78e3cc12d0f04db863429260164ea40e0355"
-dependencies = [
- "bitflags",
- "downcast-rs",
- "libc",
- "nix",
- "wayland-commons",
- "wayland-scanner",
- "wayland-sys",
-]
-
-[[package]]
-name = "wayland-commons"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21817947c7011bbd0a27e11b17b337bfd022e8544b071a2641232047966fbda"
-dependencies = [
- "nix",
- "once_cell",
- "smallvec",
- "wayland-sys",
-]
-
-[[package]]
-name = "wayland-cursor"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be610084edd1586d45e7bdd275fe345c7c1873598caa464c4fb835dee70fa65a"
-dependencies = [
- "nix",
- "wayland-client",
- "xcursor",
-]
-
-[[package]]
-name = "wayland-protocols"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "286620ea4d803bacf61fa087a4242ee316693099ee5a140796aaba02b29f861f"
-dependencies = [
- "bitflags",
- "wayland-client",
- "wayland-commons",
- "wayland-scanner",
-]
-
-[[package]]
-name = "wayland-scanner"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce923eb2deb61de332d1f356ec7b6bf37094dc5573952e1c8936db03b54c03f1"
-dependencies = [
- "proc-macro2",
- "quote",
- "xml-rs",
-]
-
-[[package]]
-name = "wayland-sys"
-version = "0.28.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d841fca9aed7febf9bed2e9796c49bf58d4152ceda8ac949ebe00868d8f0feb8"
-dependencies = [
- "pkg-config",
-]
-
 [[package]]
 name = "web-sys"
-version = "0.3.55"
+version = "0.3.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
+checksum = "c060b319f29dd25724f09a2ba1418f142f539b2be99fbf4d2d5a8f7330afb8eb"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -2103,15 +1967,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "xcursor"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "463705a63313cd4301184381c5e8042f0a7e9b4bb63653f216311d4ae74690b7"
-dependencies = [
- "nom 7.1.0",
-]
-
 [[package]]
 name = "xkb"
 version = "0.2.1"
@@ -2134,12 +1989,6 @@ dependencies = [
  "pkg-config",
 ]
 
-[[package]]
-name = "xml-rs"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
-
 [[package]]
 name = "yansi"
 version = "0.5.0"
@@ -2148,18 +1997,18 @@ checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
 
 [[package]]
 name = "zstd"
-version = "0.9.1+zstd.1.5.1"
+version = "0.9.2+zstd.1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "538b8347df9257b7fbce37677ef7535c00a3c7bf1f81023cc328ed7fe4b41de8"
+checksum = "2390ea1bf6c038c39674f22d95f0564725fc06034a47129179810b2fc58caa54"
 dependencies = [
  "zstd-safe",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "4.1.2+zstd.1.5.1"
+version = "4.1.3+zstd.1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fb4cfe2f6e6d35c5d27ecd9d256c4b6f7933c4895654917460ec56c29336cc1"
+checksum = "e99d81b99fb3c2c2c794e3fe56c305c63d5173a16a46b5850b07c935ffc7db79"
 dependencies = [
  "libc",
  "zstd-sys",

Cargo.toml

@@ -8,9 +8,10 @@ edition = "2021"
 [dependencies]
 wasmtime = "0.30"
 anyhow = "1"
-minifb = "0.19"
+minifb = { version = "0.20", default-features = false, features = ["x11"] }
 notify = "4"
 pico-args = "0.4"
 curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "196719b" }
 wat = "1"
-uw8-tool = { path = "uw8-tool" }
+uw8-tool = { path = "uw8-tool" }
+same-file = "1"

README.md

@@ -13,7 +13,11 @@ See [here](https://exoticorn.github.io/microw8/) for more information and docs.
 * Memory: 256KB
 * Gamepad input (D-Pad + 4 Buttons)
 
-## Download
+## Downloads
+
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-linux.tgz)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-windows.zip)
 
 The download includes
 
@@ -31,6 +35,7 @@ Runs <file> which can be a binary WebAssembly module, an `.uw8` cart, a wat (Web
 
 Options:
 
+-t, --timeout FRAMES    : Sets the timeout in frames (1/60s)
 -w, --watch             : Reloads the given file every time it changes on disk.
 -p, --pack              : Pack the file into an .uw8 cart before running it and print the resulting size.
 -u, --uncompressed      : Use the uncompressed uw8 format for packing.

examples/curlywas/line.cwa

@@ -1,102 +1,21 @@
 import "env.memory" memory(4);
 
 import "env.cls" fn cls(i32);
-import "env.setPixel" fn setPixel(i32, i32, i32);
 import "env.time" fn time() -> f32;
+import "env.line" fn line(f32, f32, f32, f32, i32);
 import "env.sin" fn sin(f32) -> f32;
 import "env.cos" fn cos(f32) -> f32;
 
-fn line(x1: f32, y1: f32, x2: f32, y2: f32, col: i32) {
-    let swapTmp: f32;
-    if x1 > x2 {
-        swapTmp = x1;
-        x1 = x2;
-        x2 = swapTmp;
-        swapTmp = y1;
-        y1 = y2;
-        y2 = swapTmp;
-    }
-    if x1 < 0 as f32 & x2 >= 0 as f32 {
-        y1 = y1 + (y2 - y1) * -x1 / (x2 - x1);
-        x1 = 0 as f32;
-    }
-    if x1 < 320 as f32 & x2 >= 320 as f32 {
-        y2 = y2 + (y2 - y1) * (320 as f32 - x2) / (x2 - x1);
-        x2 = 320 as f32;
-    }
-
-    if y1 > y2 {
-        swapTmp = x1;
-        x1 = x2;
-        x2 = swapTmp;
-        swapTmp = y1;
-        y1 = y2;
-        y2 = swapTmp;
-    }
-    if y1 < 0 as f32 & y2 >= 0 as f32 {
-        x1 = x1 + (x2 - x1) * -y1 / (y2 - y1);
-        y1 = 0 as f32;
-    }
-    if y1 < 240 as f32 & y2 >= 240 as f32 {
-        x2 = x2 + (x2 - x1) * (240 as f32 - y2) / (y2 - y1);
-        y2 = 240 as f32;
-    }
-
-    let lazy dx = x2 - x1;
-    let lazy dy = y2 - y1;
-    let max_axis: f32;
-    let p: f32;
-    if abs(dx) >= dy {
-        max_axis = dx;
-        p = x1;
-    } else {
-        max_axis = dy;
-        p = y1;
-    }
-
-    let steps = floor(p + max_axis) as i32 - floor(p) as i32;
-    p = floor(p) + 0.5 - p;
-    if max_axis < 0 as f32 {
-        steps = -steps;
-        p = -p;
-        max_axis = -max_axis;
-    }
-    dx = dx / max_axis;
-    dy = dy / max_axis;
-
-    let f = min(max_axis, max(0 as f32, p));
-    setPixel((x1 + f * dx) as i32, (y1 + f * dy) as i32, col);
-
-    if !steps {
-        return;
-    }
-
-    x1 = x1 + (1 as f32 + p) * dx;
-    y1 = y1 + (1 as f32 + p) * dy;
-
-    p = p + steps as f32;
-
-    loop pixels {
-        if steps := steps - 1 {
-            setPixel(x1 as i32, y1 as i32, col);
-            x1 = x1 + dx;
-            y1 = y1 + dy;
-            branch pixels;
-        }
-    }
-
-    f = min(max_axis, p) - p;
-    setPixel((x1 + f * dx) as i32, (y1 + f * dy) as i32, col);
-}
-
 export fn upd() {
     cls(0);
-//    line(0.0, 4.0, 7.0, -2.0, 15);
-//    return;
     let i: i32;
     loop lines {
-        let angle = i as f32 * (3.1415 / 25.0) + time() * 0.1;
+        let angle = i as f32 * (3.1415 / 25.0) + time() * 0.125;
-        line(160.0, 120.0, 160.0 + sin(angle) * 100.0, 120.0 + cos(angle) * 100.0, 47);
+        line(
+            160 as f32, 120 as f32,
+            160 as f32 + sin(angle) * 100 as f32,
+            120 as f32 + cos(angle) * 100 as f32,
+            47);
         branch_if (i := i + 1)  < 50: lines;
     }
 }

logo.svg

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="120"
+   height="120"
+   viewBox="0 0 120 120"
+   version="1.1"
+   id="svg5"
+   sodipodi:docname="logo.svg"
+   inkscape:version="1.1.1 (3bf5ae0d25, 2021-09-20, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview7"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:document-units="px"
+     showgrid="false"
+     inkscape:zoom="3.6041667"
+     inkscape:cx="21.780347"
+     inkscape:cy="63.260116"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="18"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs2" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <rect
+       style="fill:#85a6b2;fill-rule:evenodd;fill-opacity:1"
+       id="rect31"
+       width="112.05161"
+       height="109.64198"
+       x="3.9731982"
+       y="6.3613" />
+    <text
+       xml:space="preserve"
+       style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:117.333px;line-height:1.25;font-family:'Fira Code';-inkscape-font-specification:'Fira Code Bold';fill:#ffffff;fill-opacity:1;stroke:none"
+       x="-6.2686396"
+       y="117.70291"
+       id="text2691"><tspan
+         sodipodi:role="line"
+         id="tspan2689"
+         x="-6.2686396"
+         y="117.70291">W8</tspan></text>
+    <circle
+       style="fill:#ffffff;stroke-width:1.32327"
+       id="path121"
+       cx="60.962471"
+       cy="6.7644148"
+       r="14.855442" />
+  </g>
+</svg>

site/config.toml

@@ -18,7 +18,7 @@ highlight_theme = "ascetic-white"
 [extra]
 # Put all your custom variables here
 juice_logo_name = "MicroW8"
-juice_logo_path = "microw8.svg"
+juice_logo_path = "img/microw8.svg"
 juice_extra_menu = [
     { title = "Github", link = "https://github.com/exoticorn/microw8" }
 ]

site/content/_index.md

@@ -26,8 +26,9 @@ The initial motivation behind MicroW8 was to explore whether there was a way to
 
 ## Versions
 
-* [v0.1pre1](v0.1pre1)
+### v0.1.0
-* [v0.1pre2](v0.1pre2)
+
-* [v0.1pre3](v0.1pre3)
+* [Web runtime](v0.1.0)
-* [v0.1pre4](v0.1pre4)
+* [Linux](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-linux.tgz)
-* [v0.1pre5](v0.1pre5)
+* [MacOS](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-macos.tgz)
+* [Windows](https://github.com/exoticorn/microw8/releases/download/v0.1.0/microw8-0.1.0-windows.zip)

site/content/docs.md

@@ -284,6 +284,8 @@ Runs `<file>` which can be a binary WebAssembly module, an `.uw8` cart, a wat (W
 
 Options:
 
+* `-t FRAMES`, `--timeout FRAMES` : Sets the timeout in frames (1/60s). If the start or update function runs longer than this it is forcibly interupted
+and execution of the cart is stopped. Defaults to 30 (0.5s)
 * `-w`, `--watch`: Reloads the given file every time it changes on disk.
 * `-p`, `--pack`: Pack the file into an `.uw8` cart before running it and print the resulting size.
 * `-u`, `--uncompressed`: Use the uncompressed `uw8` format for packing.

site/static/img/microw8.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg width="120" height="120" version="1.1" viewBox="0 0 120 120" xmlns="http://www.w3.org/2000/svg">
+ <path d="m3.9727 6.3613v27.945h7.8691l2.8281 66.549 6.9199-56.922h16.969l6.4375 56.922 4.1523-66.549h17.148l-9.5488 81.697h27.195c-4.1759-2.1972-7.3595-5.016-9.5234-8.4707-2.2464-3.6905-3.3691-7.6805-3.3691-11.973 0-4.7735 1.3845-8.9251 4.1523-12.455 2.7679-3.53 6.4981-6.3194 11.191-8.3652-4.2521-2.7277-7.3402-5.4948-9.2656-8.3027-1.8854-2.8481-2.8281-6.5783-2.8281-11.191 0-4.7334 1.223-8.8256 3.6699-12.275 2.4469-3.4498 5.7559-6.0981 9.9277-7.9434 4.212-1.8854 8.9647-2.8262 14.26-2.8262 5.2203 0 9.8397 0.84602 13.867 2.5234v-28.363h-40.227a14.855 14.855 0 0 1 0.019531 0.40234 14.855 14.855 0 0 1-14.855 14.855 14.855 14.855 0 0 1-14.855-14.855 14.855 14.855 0 0 1 0.052734-0.40234zm98.186 38.775c-3.0888 0-5.4939 0.863-7.2187 2.5879-1.6848 1.6848-2.5273 4.192-2.5273 7.5215 0 2.9283 0.98169 5.3538 2.9473 7.2793 1.9656 1.8854 5.0352 3.6113 9.207 5.1758 2.7277-2.0057 4.5928-3.971 5.5957-5.8965 1.0028-1.9656 1.5039-4.1129 1.5039-6.4395 0-2.9684-0.8017-5.4144-2.4062-7.3398-1.5644-1.9255-3.9326-2.8887-7.1016-2.8887zm-72.203 12.938-6.4902 57.93h12.393zm68.113 21.781c-2.4469 1.5644-4.3938 3.5502-5.8379 5.957-1.4441 2.4068-2.166 5.2741-2.166 8.6035 0 3.4498 1.0041 6.2781 3.0098 8.4844 2.0458 2.1662 5.0726 3.25 9.084 3.25 4.1317 0 7.142-1.1043 9.0274-3.3106 1.8854-2.2464 2.8281-4.8723 2.8281-7.8809 0-2.7679-0.56235-5.0153-1.6856-6.7402-1.0831-1.7249-2.7886-3.2096-5.1152-4.4531-2.3266-1.2836-5.3738-2.5864-9.1445-3.9102z" fill="#85a6b2" fill-rule="evenodd"/>
+</svg>

site/templates/index.html

@@ -4,7 +4,7 @@
         <section>
             <h1 class="text-center heading-text">A WebAssembly based fantasy console</h1>
         </section>
-        <a href="v0.1pre5">
+        <a href="v0.1.0">
             <img class="demonstration-gif" style="width:640px;height:480px;image-rendering:pixelated" src="img/technotunnel.png"></img>
         </a>
     </div>

src/filewatcher.rs

@@ -0,0 +1,70 @@
+use anyhow::{bail, Result};
+use notify::{DebouncedEvent, Watcher, RecommendedWatcher};
+use std::{
+    collections::BTreeSet,
+    path::{Path, PathBuf},
+    sync::mpsc,
+    time::Duration,
+};
+
+pub struct FileWatcher {
+    _watcher: RecommendedWatcher,
+    watched_files: BTreeSet<PathBuf>,
+    rx: mpsc::Receiver<DebouncedEvent>,
+}
+
+pub struct FileWatcherBuilder(BTreeSet<PathBuf>);
+
+impl FileWatcher {
+    pub fn builder() -> FileWatcherBuilder {
+        FileWatcherBuilder(BTreeSet::new())
+    }
+
+    pub fn poll_changed_file(&self) -> Result<Option<PathBuf>> {
+        let event = self.rx.try_recv();
+        match event {
+            Ok(DebouncedEvent::Create(path) | DebouncedEvent::Write(path)) => {
+                let handle = same_file::Handle::from_path(&path)?;
+                for file in &self.watched_files {
+                    if handle == same_file::Handle::from_path(file)? {
+                        return Ok(Some(path));
+                    }
+                }
+            }
+            Err(mpsc::TryRecvError::Disconnected) => bail!("File watcher disconnected"),
+            _ => (),
+        }
+
+        Ok(None)
+    }
+}
+
+impl FileWatcherBuilder {
+    pub fn add_file<P: Into<PathBuf>>(&mut self, path: P) -> &mut Self {
+        self.0.insert(path.into());
+        self
+    }
+
+    pub fn build(self) -> Result<FileWatcher> {
+        let mut directories: BTreeSet<&Path> = BTreeSet::new();
+
+        for file in &self.0 {
+            if let Some(directory) = file.parent() {
+                directories.insert(directory);
+            }
+        }
+
+        let (tx, rx) = mpsc::channel();
+        let mut watcher = notify::watcher(tx, Duration::from_millis(100))?;
+
+        for directory in directories {
+            watcher.watch(directory, notify::RecursiveMode::NonRecursive)?;
+        }
+
+        Ok(FileWatcher {
+            _watcher: watcher,
+            watched_files: self.0,
+            rx,
+        })
+    }
+}

src/lib.rs

@@ -1,6 +1,8 @@
 use std::io::prelude::*;
 use std::path::Path;
-use std::{fs::File, time::Instant};
+use std::sync::{Arc, Mutex};
+use std::time::Duration;
+use std::{fs::File, thread, time::Instant};
 
 use anyhow::Result;
 use minifb::{Key, Window, WindowOptions};
@@ -8,7 +10,20 @@ use wasmtime::{
     Engine, GlobalType, Memory, MemoryType, Module, Mutability, Store, TypedFunc, ValType,
 };
 
-static GAMEPAD_KEYS: &'static [Key] = &[Key::Up, Key::Down, Key::Left, Key::Right, Key::Z, Key::X, Key::A, Key::S];
+mod filewatcher;
+
+pub use filewatcher::FileWatcher;
+
+static GAMEPAD_KEYS: &'static [Key] = &[
+    Key::Up,
+    Key::Down,
+    Key::Left,
+    Key::Right,
+    Key::Z,
+    Key::X,
+    Key::A,
+    Key::S,
+];
 
 pub struct MicroW8 {
     engine: Engine,
@@ -16,6 +31,7 @@ pub struct MicroW8 {
     window: Window,
     window_buffer: Vec<u32>,
     instance: Option<UW8Instance>,
+    timeout: u32,
 }
 
 struct UW8Instance {
@@ -24,12 +40,27 @@ struct UW8Instance {
     end_frame: TypedFunc<(), ()>,
     update: TypedFunc<(), ()>,
     start_time: Instant,
-    module: Vec<u8>
+    module: Vec<u8>,
+    watchdog: Arc<Mutex<UW8WatchDog>>,
+}
+
+impl Drop for UW8Instance {
+    fn drop(&mut self) {
+        if let Ok(mut watchdog) = self.watchdog.lock() {
+            watchdog.stop = true;
+        }
+    }
+}
+
+struct UW8WatchDog {
+    interupt: wasmtime::InterruptHandle,
+    timeout: u32,
+    stop: bool,
 }
 
 impl MicroW8 {
     pub fn new() -> Result<MicroW8> {
-        let engine = wasmtime::Engine::default();
+        let engine = wasmtime::Engine::new(wasmtime::Config::new().interruptable(true))?;
 
         let loader_module =
             wasmtime::Module::new(&engine, include_bytes!("../platform/bin/loader.wasm"))?;
@@ -47,6 +78,7 @@ impl MicroW8 {
             window,
             window_buffer: vec![0u32; 320 * 240],
             instance: None,
+            timeout: 30,
         })
     }
 
@@ -54,6 +86,10 @@ impl MicroW8 {
         self.window.is_open() && !self.window.is_key_down(Key::Escape)
     }
 
+    pub fn set_timeout(&mut self, timeout: u32) {
+        self.timeout = timeout;
+    }
+
     fn reset(&mut self) {
         self.instance = None;
         for v in &mut self.window_buffer {
@@ -130,7 +166,36 @@ impl MicroW8 {
             )?;
         }
 
+        let watchdog = Arc::new(Mutex::new(UW8WatchDog {
+            interupt: store.interrupt_handle()?,
+            timeout: self.timeout,
+            stop: false,
+        }));
+
+        {
+            let watchdog = watchdog.clone();
+            thread::spawn(move || loop {
+                thread::sleep(Duration::from_millis(17));
+                if let Ok(mut watchdog) = watchdog.lock() {
+                    if watchdog.stop {
+                        break;
+                    }
+                    if watchdog.timeout > 0 {
+                        watchdog.timeout -= 1;
+                        if watchdog.timeout == 0 {
+                            watchdog.interupt.interrupt();
+                        }
+                    }
+                } else {
+                    break;
+                }
+            });
+        }
+
         let instance = linker.instantiate(&mut store, &module)?;
+        if let Ok(mut watchdog) = watchdog.lock() {
+            watchdog.timeout = 0;
+        }
         let end_frame = platform_instance.get_typed_func::<(), (), _>(&mut store, "endFrame")?;
         let update = instance.get_typed_func::<(), (), _>(&mut store, "upd")?;
 
@@ -140,19 +205,26 @@ impl MicroW8 {
             end_frame,
             update,
             start_time: Instant::now(),
-            module: module_data.into()
+            module: module_data.into(),
+            watchdog,
         });
 
         Ok(())
     }
 
     pub fn run_frame(&mut self) -> Result<()> {
+        let mut result = Ok(());
         if let Some(mut instance) = self.instance.take() {
             {
                 let time = instance.start_time.elapsed().as_millis() as i32;
                 let mut gamepad: u32 = 0;
-                for key in self.window.get_keys().unwrap_or(Vec::new()) {
+                for key in self.window.get_keys() {
-                    if let Some(index) = GAMEPAD_KEYS.iter().enumerate().find(|(_, &k)| k == key).map(|(i, _)| i) {
+                    if let Some(index) = GAMEPAD_KEYS
+                        .iter()
+                        .enumerate()
+                        .find(|(_, &k)| k == key)
+                        .map(|(i, _)| i)
+                    {
                         gamepad |= 1 << index;
                     }
                 }
@@ -162,7 +234,13 @@ impl MicroW8 {
                 mem[68..72].copy_from_slice(&gamepad.to_le_bytes());
             }
 
-            instance.update.call(&mut instance.store, ())?;
+            if let Ok(mut watchdog) = instance.watchdog.lock() {
+                watchdog.timeout = self.timeout;
+            }
+            result = instance.update.call(&mut instance.store, ());
+            if let Ok(mut watchdog) = instance.watchdog.lock() {
+                watchdog.timeout = 0;
+            }
             instance.end_frame.call(&mut instance.store, ())?;
 
             let memory = instance.memory.data(&instance.store);
@@ -178,7 +256,7 @@ impl MicroW8 {
 
             if self.window.is_key_pressed(Key::R, minifb::KeyRepeat::No) {
                 self.load_from_memory(&instance.module)?;
-            } else {
+            } else if result.is_ok() {
                 self.instance = Some(instance);
             }
         }
@@ -186,6 +264,7 @@ impl MicroW8 {
         self.window
             .update_with_buffer(&self.window_buffer, 320, 240)?;
 
+        result?;
         Ok(())
     }
 }

src/main.rs

@@ -1,17 +1,14 @@
 use std::fs::File;
 use std::io::prelude::*;
 use std::process;
-use std::sync::mpsc;
-use std::time::Duration;
 use std::{
     path::{Path, PathBuf},
     process::exit,
 };
 
-use anyhow::{bail, Result};
+use anyhow::Result;
-use notify::{DebouncedEvent, Watcher};
 use pico_args::Arguments;
-use uw8::MicroW8;
+use uw8::{FileWatcher, MicroW8};
 
 fn main() -> Result<()> {
     let mut args = Arguments::from_env();
@@ -28,7 +25,7 @@ fn main() -> Result<()> {
             println!("uw8 {}", env!("CARGO_PKG_VERSION"));
             println!();
             println!("Usage:");
-            println!("  uw8 run [-w/--watch] [-p/--pack] [-u/--uncompressed] [-l/--level] [-o/--output <out-file>] <file>");
+            println!("  uw8 run [-t/--timeout <frames>] [-w/--watch] [-p/--pack] [-u/--uncompressed] [-l/--level] [-o/--output <out-file>] <file>");
             println!("  uw8 pack [-u/--uncompressed] [-l/--level] <in-file> <out-file>");
             println!("  uw8 filter-exports <in-wasm> <out-wasm>");
             Ok(())
@@ -42,6 +39,7 @@ fn main() -> Result<()> {
 
 fn run(mut args: Arguments) -> Result<()> {
     let watch_mode = args.contains(["-w", "--watch"]);
+    let timeout: Option<u32> = args.opt_value_from_str(["-t", "--timeout"])?;
 
     let mut config = Config::default();
     if args.contains(["-p", "--pack"]) {
@@ -67,13 +65,18 @@ fn run(mut args: Arguments) -> Result<()> {
 
     let mut uw8 = MicroW8::new()?;
 
-    let (tx, rx) = mpsc::channel();
+    if let Some(timeout) = timeout {
-    let mut watcher = notify::watcher(tx, Duration::from_millis(100))?;
+        uw8.set_timeout(timeout);
+    }
+
+    let mut watcher = FileWatcher::builder();
 
     if watch_mode {
-        watcher.watch(&filename, notify::RecursiveMode::NonRecursive)?;
+        watcher.add_file(&filename);
     }
 
+    let watcher = watcher.build()?;
+
     if let Err(err) = start_cart(&filename, &mut uw8, &config) {
         eprintln!("Load error: {}", err);
         if !watch_mode {
@@ -82,14 +85,10 @@ fn run(mut args: Arguments) -> Result<()> {
     }
 
     while uw8.is_open() {
-        match rx.try_recv() {
+        if watcher.poll_changed_file()?.is_some() {
-            Ok(DebouncedEvent::Create(_) | DebouncedEvent::Write(_)) => {
+            if let Err(err) = start_cart(&filename, &mut uw8, &config) {
-                if let Err(err) = start_cart(&filename, &mut uw8, &config) {
+                eprintln!("Load error: {}", err);
-                    eprintln!("Load error: {}", err);
-                }
             }
-            Err(mpsc::TryRecvError::Disconnected) => bail!("File watcher disconnected"),
-            _ => (),
         }
 
         if let Err(err) = uw8.run_frame() {

web/src/index.html

@@ -13,8 +13,10 @@
             <a href="https://exoticorn.github.io/microw8">MicroW8</a> 0.1.0
         </div>
         <div id="centered">
-            <canvas id="screen" width="320" height="240"></canvas>
+            <canvas id="screen" width="320" height="240">
-            <div id="message"></div>
+            </canvas>
+        <div id="timer" hidden="true"></div>        
+        <div id="message"></div>
             <button id="cartButton" style="visibility:hidden">Load cart...</button>
         </div>
         <div id="footer">

web/src/main.js

@@ -54,6 +54,12 @@ let keyHandler = (e) => {
                 runModule(currentData);
             }
             break;
+        case 'F10':
+            if(isKeyDown) {
+                recordVideo();
+            }
+            e.preventDefault();
+            break;
     }
 
     if (isKeyDown) {
@@ -220,6 +226,55 @@ async function runModule(data, keepUrl) {
     }
 }
 
+let videoRecorder;
+let videoStartTime;
+function recordVideo() {
+    if(videoRecorder) {
+        videoRecorder.stop();
+        videoRecorder = null;
+        return;
+    }
+
+    videoRecorder = new MediaRecorder(screen.captureStream(), {
+        mimeType: 'video/webm',
+        videoBitsPerSecond: 5000000
+    });
+
+    let chunks = [];
+    videoRecorder.ondataavailable = e => {
+        chunks.push(e.data);
+    };
+
+    let timer = document.getElementById("timer");
+    timer.hidden = false;
+    timer.innerText = "00:00";
+
+    videoRecorder.onstop = () => {
+        timer.hidden = true;
+        let a = document.createElement('a');
+        a.href = URL.createObjectURL(new Blob(chunks, {type: 'video/webm'}));
+        a.download = 'microw8_' + new Date().toISOString() + 'webm';
+        a.click();
+        URL.revokeObjectURL(a.href);
+    };
+
+    videoRecorder.start();
+    videoStartTime = Date.now();
+
+    function updateTimer() {
+        if(!videoStartTime) {
+            return;
+        }
+
+        let duration = Math.floor((Date.now() - videoStartTime) / 1000);
+        timer.innerText = Math.floor(duration / 60).toString().padStart(2, '0') + ':' + (duration % 60).toString().padStart(2, '0');
+
+        setTimeout(updateTimer, 1000);
+    }
+
+    setTimeout(updateTimer, 1000);
+}
+
 async function runModuleFromURL(url, keepUrl) {
     let response = await fetch(url);
     let type = response.headers.get('Content-Type');

web/src/style.css

@@ -48,6 +48,16 @@ a:hover {
     cursor: none;
 }
 
+#timer::before {
+    content: '';
+    display: inline-block;
+    width: 12px;
+    height: 12px;
+    border-radius: 6px;
+    background-color: red;
+    margin-right: 3px;
+}
+
 #message {
     margin-bottom: 8px;
 }