cargo build

- Extract local state of `app_time_format` from `footer` to have it globally available
- Add a deserialization fallback for deprecated `AppTimeFormat::Hidden`
- Persist `footer_app_time` toggle state

.github/workflows/ci.yml

@@ -12,7 +12,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Check formatting
         run: nix develop --command cargo fmt --all -- --check
       - name: Run clippy
@@ -25,7 +24,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Run tests
         run: nix develop --command cargo test
 
@@ -34,6 +32,5 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Build project
         run: nix build .#timr

.github/workflows/release.yml

@@ -4,8 +4,6 @@ on:
   push:
     branches:
       - "release/**"
-    tags:
-      - "v*"
 
 jobs:
   get-version:
@@ -31,7 +29,7 @@ jobs:
           - os: ubuntu-latest
             os_target: linux
             binary_name: timr-tui
-            arch: x86_64 # `x86_64` by default
+            arch: x86_64 # based on target 'x86_64-unknown-linux-musl' defined by `CARGO_BUILD_TARGET` in flake.nix
           - os: ubuntu-latest
             os_target: windows
             binary_name: timr-tui.exe
@@ -43,14 +41,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
 
       - name: Build (windows)
         if: matrix.os_target == 'windows'
         run: nix build .#windows
 
-      - name: Build (linux/macos)
-        if: matrix.os_target != 'windows'
+      - name: Build (linux)
+        if: matrix.os_target == 'linux'
+        run: nix build .#linuxStatic
+
+      - name: Build (macos)
+        if: matrix.os_target == 'macos'
         run: nix build
 
       - name: Copy artifact

.gitignore

@@ -18,3 +18,6 @@ result/**/*
 #.idea/
 #
 .direnv
+
+# ignore (possible) sound files
+**/*.{mp3,wav}

.rustfmt.toml

@@ -1 +1,2 @@
+style_edition = "2024"
 reorder_imports = true

.zed/settings.json

@@ -1,30 +0,0 @@
-// Folder-specific settings
-//
-// For a full list of overridable settings, and general information on folder-specific settings,
-// see the documentation: https://zed.dev/docs/configuring-zed#settings-files
-{
-  "format_on_save": "on",
-  "formatter": "language_server",
-  "lsp": {
-    "rust-analyzer": {
-      "initialization_options": {
-        "check": {
-          "command": "clippy" // rust-analyzer.check.command (default: "check")
-        }
-      }
-    }
-  },
-  "languages": {
-    "Nix": {
-      "formatter": {
-        "external": {
-          "command": "alejandra",
-          "arguments": [
-            "-q"
-          ]
-        }
-      },
-      "format_on_save": "on"
-    }
-  }
-}

CHANGELOG.md

@@ -1,5 +1,99 @@
 # Changelog
 
+## v1.4.0 - 2025-09-02
+
+### Features
+
+- (screen): Local Time [#89](https://github.com/sectore/timr-tui/pull/89), [#90](https://github.com/sectore/timr-tui/pull/90), [#91](https://github.com/sectore/timr-tui/pull/91)
+
+### Misc.
+
+- (deps) Rust 1.89.0 [#87](https://github.com/sectore/timr-tui/pull/87)
+
+## v1.3.1 - 2025-07-03
+
+### Features
+
+- (args) set `content` by given duration [#81](https://github.com/sectore/timr-tui/pull/81)
+
+### Fixes
+
+- (pomodoro) `ctrl+r` resets rounds AND both clocks [#83](https://github.com/sectore/timr-tui/pull/83)
+- (pomodoro) reset active clock only [#82](https://github.com/sectore/timr-tui/pull/82)
+
+### Misc.
+
+- (deps) Rust 1.88.0 [#85](https://github.com/sectore/timr-tui/pull/85)
+
+## v1.3.0 - 2025-05-06
+
+###
+
+- (pomodoro) Count WORK rounds [#75](https://github.com/sectore/timr-tui/pull/75), [6b068bb](https://github.com/sectore/timr-tui/commit/6b068bbd094d9ec1a36b47598fadfc71296d9590)
+- (pomodoro/countdown) Change initial value [#79](https://github.com/sectore/timr-tui/pull/79), [aae5c38](https://github.com/sectore/timr-tui/commit/aae5c38cd6a666d5ba418b12fb67879a2146b9a2)
+
+### Changes
+
+- Update keybindings [#76](https://github.com/sectore/timr-tui/pull/76)
+
+### Misc.
+
+- (flake) use alsa-lib-with-plugins [#77](https://github.com/sectore/timr-tui/pull/77)
+- (readme) add keybindings + toc [#78](https://github.com/sectore/timr-tui/pull/78)
+
+## v1.2.1 - 2025-04-17
+
+### Fixes
+
+- (countdown) Reset `Mission Elapsed Time (MET)` if `countdown` is set by _cli arguments_ [#71](https://github.com/sectore/timr-tui/pull/71)
+- (countdown) Reset `Mission Elapsed Time (MET)` while setting `countdown` by _local time_ [#72](https://github.com/sectore/timr-tui/pull/72)
+
+### Misc.
+
+- (deps) Use latest `Rust 1.86` [#73](https://github.com/sectore/timr-tui/pull/73)
+- (cargo) Exclude files for packaging [e7a5a1b](https://github.com/sectore/timr-tui/commit/e7a5a1b2da7a7967f2602a0b92f391ac768ca638)
+- (just) `group` commands [#70](https://github.com/sectore/timr-tui/pull/70)
+
+## v1.2.0 - 2025-02-26
+
+### Features
+
+- (notification) Clock animation (blink) by reaching `done` mode (optional) [#65](https://github.com/sectore/timr-tui/pull/65)
+- (notification) Native desktop notification (optional, experimental) [#59](https://github.com/sectore/timr-tui/pull/59)
+- (notification) Sound notification (optional, experimental, available in local build only) [#62](https://github.com/sectore/timr-tui/pull/62)
+- (logging) Add `--log` arg to enable logs [e094d7d](https://github.com/sectore/timr-tui/commit/e094d7d81b99f58f0d3bc50124859a4e1f6dbe4f)
+
+### Misc.
+
+- (refactor) Extend event handling for using a `mpsc` channel to send `AppEvent`'s from anywhere. [#61](https://github.com/sectore/timr-tui/pull/61)
+- (extension) Use `set_panic_hook` for better error handling [#67](https://github.com/sectore/timr-tui/pull/67)
+- (deps) Use latest `Rust 1.85` and `Rust 2024 Edition`. Refactor `flake` to consider `rust-toolchain.toml` etc. [#68](https://github.com/sectore/timr-tui/pull/68)
+
+## v1.1.0 - 2025-01-22
+
+### Features
+
+- (countdown) Edit countdown by local time [#49](https://github.com/sectore/timr-tui/pull/49)
+
+### Fixes
+
+- (ci) Build statically linked binaries for Linux [#55](https://github.com/sectore/timr-tui/pull/55)
+- (ci) Remove magic nix cache action (#57) [#56](https://github.com/sectore/timr-tui/issues/56)
+
+### Misc.
+
+- (deps) Latest Rust 1.84, update deps [#48](https://github.com/sectore/timr-tui/pull/48)
+
+## v1.0.0 - 2025-01-10
+
+Happy `v1.0.0` 🎉
+
+### Features
+
+- (countdown) Mission Elapsed Time ([MET](https://en.wikipedia.org/wiki/Mission_Elapsed_Time)). [#45](https://github.com/sectore/timr-tui/pull/45), [#46](https://github.com/sectore/timr-tui/pull/46)
+- (footer) Local time. Optional and with custom formats. [#42](https://github.com/sectore/timr-tui/pull/42), [#43](https://github.com/sectore/timr-tui/pull/43)
+- (docs) More installation instructions: Cargo, AUR (Arch Linux) [#41](https://github.com/sectore/timr-tui/pull/41), pre-built release binaries (Linux, macOS, Windows) [#47](https://github.com/sectore/timr-tui/pull/47)
+
 ## v0.9.0 - 2025-01-03
 
 Initial version.
@@ -8,5 +102,6 @@ Initial version.
 
 - Add `Pomodoro`, `Timer`, `Countdown`
 - Persist application state
-- Change styles
+- Custom styles for digits
+- Toggle deciseconds
 - CLI

Cargo.toml

@@ -1,28 +1,41 @@
 [package]
 name = "timr-tui"
-version = "0.9.0"
+version = "1.4.0"
 description = "TUI to organize your time: Pomodoro, Countdown, Timer."
-edition = "2021"
-rust-version = "1.82.0"
+edition = "2024"
+# Reminder: Always keep `channel` in `rust-toolchain.toml` in sync with `rust-version`.
+rust-version = "1.89.0"
 homepage = "https://github.com/sectore/timr-tui"
 repository = "https://github.com/sectore/timr-tui"
 readme = "README.md"
 license = "MIT"
 keywords = ["tui", "timer", "countdown", "pomodoro"]
 categories = ["command-line-utilities"]
+exclude = [".github/*", "demo/*.tape", "result/*", "*.mp3"]
 
 [dependencies]
 ratatui = "0.29.0"
-crossterm = {version = "0.28.1", features = ["event-stream", "serde"] }
-color-eyre = "0.6.2"
+crossterm = { version = "0.28.1", features = ["event-stream", "serde"] }
+color-eyre = "0.6.5"
 futures = "0.3"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1.0"
 strum = { version = "0.26.3", features = ["derive"] }
-tokio = { version = "1.41.1", features = ["full"] }
-tokio-stream = "0.1.16"
-tokio-util = "0.7.12"
+tokio = { version = "1.45.1", features = ["full"] }
+tokio-stream = "0.1.17"
+tokio-util = "0.7.15"
 tracing = "0.1.41"
 tracing-subscriber = { version = "0.3.19", features = ["env-filter"] }
 directories = "5.0.1"
-clap = { version = "4.5.23", features = ["derive"] }
+clap = { version = "4.5.40", features = ["derive"] }
+time = { version = "0.3.41", features = ["formatting", "local-offset"] }
+notify-rust = "4.11.7"
+rodio = { version = "0.20.1", features = [
+    "symphonia-mp3",
+    "symphonia-wav",
+], default-features = false, optional = true }
+thiserror = { version = "2.0.12", optional = true }
+
+
+[features]
+sound = ["dep:rodio", "dep:thiserror"]

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 Jens K.
+Copyright (c) 2024-2025 Jens Krause
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -6,11 +6,22 @@ TUI to organize your time: Pomodoro, Countdown, Timer.
 - `[c]ountdown` Use it for your workout, yoga session, meditation, handstand or whatever.
 - `[p]omodoro` Organize your working time to be focused all the time by following the [Pomodoro Technique](https://en.wikipedia.org/wiki/Pomodoro_Technique).
 
-It's built with [`Ratatui`](https://ratatui.rs/) written in [Rust 🦀](https://www.rust-lang.org/).
+Built with [Ratatui](https://ratatui.rs/) / [Rust 🦀](https://www.rust-lang.org/).
+
+
+# Table of Contents
+
+- [Preview](./#preview)
+- [CLI](./#cli)
+- [Keybindings](./#keybindings)
+- [Installation](./#installation)
+- [Development](./#development)
+- [Misc](./#misc)
+- [License](./#license)
 
 # Preview
 
-_Side note:_ Theme colors depend on your terminal preferences.
+_(theme depends on your terminal preferences)_
 
 ## Pomodoro
 
@@ -30,10 +41,23 @@ _Side note:_ Theme colors depend on your terminal preferences.
   <img alt="countdown" src="demo/countdown.gif" />
 </a>
 
-## Change style
+## Countdown: Mission Elapsed Time ([MET](https://en.wikipedia.org/wiki/Mission_Elapsed_Time))
 
-<a href="demo/style.gif">
-  <img alt="style" src="demo/style.gif" />
+<a href="demo/countdown-met.gif">
+  <img alt="menu" src="demo/countdown-met.gif" />
+</a>
+
+
+## Local time
+
+<a href="demo/local-time.gif">
+  <img alt="menu" src="demo/local-time.gif" />
+</a>
+
+## Local time (footer)
+
+<a href="demo/local-time-footer.gif">
+  <img alt="menu" src="demo/local-time-footer.gif" />
 </a>
 
 ## Toggle deciseconds
@@ -42,6 +66,12 @@ _Side note:_ Theme colors depend on your terminal preferences.
   <img alt="deciseconds" src="demo/decis.gif" />
 </a>
 
+## Change style
+
+<a href="demo/style.gif">
+  <img alt="style" src="demo/style.gif" />
+</a>
+
 ## Menu
 
 <a href="demo/menu.gif">
@@ -56,33 +86,115 @@ timr-tui --help
 Usage: timr-tui [OPTIONS]
 
 Options:
-  -c, --countdown <COUNTDOWN>  Countdown time to start from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss' [default: 10:00]
-  -w, --work <WORK>            Work time to count down from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss' [default: 25:00]
-  -p, --pause <PAUSE>          Pause time to count down from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss' [default: 5:00]
-  -d, --decis                  Wether to show deciseconds or not. [default: false]
-  -m, --mode <MODE>            Mode to start with. [possible values: countdown, timer, pomodoro] [default: timer]
-      --menu                   Whether to open the menu or not.
-  -s, --style <STYLE>          Style to display time with. [possible values: full, light, medium, dark, thick, cross, braille] [default: full]
-  -r, --reset                  Reset stored values to default.
-  -h, --help                   Print help
-  -V, --version                Print version
+  -c, --countdown <COUNTDOWN>        Countdown time to start from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss'
+  -w, --work <WORK>                  Work time to count down from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss'
+  -p, --pause <PAUSE>                Pause time to count down from. Formats: 'ss', 'mm:ss', or 'hh:mm:ss'
+  -d, --decis                        Show deciseconds.
+  -m, --mode <MODE>                  Mode to start with. [possible values: countdown, timer, pomodoro, localtime]
+  -s, --style <STYLE>                Style to display time with. [possible values: full, light, medium, dark, thick, cross, braille]
+      --menu                         Open the menu.
+  -r, --reset                        Reset stored values to default values.
+  -n, --notification <NOTIFICATION>  Toggle desktop notifications. Experimental. [possible values: on, off]
+      --blink <BLINK>                Toggle blink mode to animate a clock when it reaches its finished mode. [possible values: on, off]
+      --log [<LOG>]                  Directory to store log file. If not set, standard application log directory is used (check README for details).
+  -h, --help                         Print help
+  -V, --version                      Print version
 ```
 
+Extra option (if `--features sound` is enabled by local build only):
+
+```sh
+--sound <SOUND>                Path to sound file (.mp3 or .wav) to play as notification. Experimental.
+```
+
+# Keybindings
+
+## Menu
+
+| Key | Description |
+| --- | --- |
+| <kbd>↑</kbd> / <kbd>↓</kbd> or <kbd>m</kbd> | Toggle menu |
+
+## Screens
+
+| Key | Description |
+| --- | --- |
+| <kbd>p</kbd> | Pomodoro |
+| <kbd>c</kbd> | Countdown |
+| <kbd>t</kbd> | Timer |
+| <kbd>l</kbd> | Local Time |
+
+## Controls
+
+| Key | Description |
+| --- | --- |
+| <kbd>s</kbd> | start |
+| <kbd>r</kbd> | reset |
+| <kbd>e</kbd> | enter edit mode |
+| <kbd>q</kbd> | quit |
+
+**In `edit` mode only:**
+
+| Key | Description |
+| --- | --- |
+| <kbd>s</kbd> | save changes |
+| <kbd>Esc</kbd> | skip changes |
+| <kbd>←</kbd> or <kbd>→</kbd> | change selection |
+| <kbd>↑</kbd> | edit to go up |
+| <kbd>↓</kbd> | edit to go down |
+
+**In `Pomodoro` screen only:**
+
+| Key | Description |
+| --- | --- |
+| <kbd>←</kbd> or <kbd>→</kbd> | switch work/pause |
+| <kbd>^r</kbd> | reset round |
+| <kbd>^s</kbd> | save initial value |
+
+**In `Countdown` screen only:**
+
+| Key | Description |
+| --- | --- |
+| <kbd>^e</kbd> | edit by local time |
+| <kbd>^s</kbd> | save initial value |
+
+## Appearance
+
+| Key | Description |
+| --- | --- |
+| <kbd>,</kbd> | toggle styles |
+| <kbd>.</kbd> | toggle deciseconds |
+| <kbd>:</kbd> | toggle local time |
+
 # Installation
 
-From [crates.io](https://crates.io/crates/timr-tui) run:
+## Cargo
+
+### From [crates.io](https://crates.io/crates/timr-tui)
 
 ```sh
 cargo install timr-tui
 ```
 
-Latest version from git repository:
+### From GitHub repository
 
 ```sh
 cargo install --git https://github.com/sectore/timr-tui
 ```
 
-# Build from source 🔧
+## Arch Linux
+
+Install [from the AUR](https://aur.archlinux.org/packages/timr/):
+
+```sh
+paru -S timr
+```
+
+## Release binaries
+
+Pre-built artifacts are available to download from [latest GitHub release](https://github.com/sectore/timr-tui/releases).
+
+# Development
 
 ## Requirements
 
@@ -92,7 +204,6 @@ cargo install --git https://github.com/sectore/timr-tui
 
 If you have [`direnv`](https://direnv.net) installed, run `direnv allow` once to install dependencies. In other case run `nix develop`.
 
-
 ### Non Nix users
 
 - [`Rust`](https://www.rust-lang.org/learn/get-started)
@@ -103,34 +214,63 @@ If you have [`direnv`](https://direnv.net) installed, run `direnv allow` once to
 ### Commands
 
 ```sh
-just --list
+just
 
 Available recipes:
-    build   # build app
-    b       # alias for `build`
-    default
-    format  # format files
-    f       # alias for `format`
-    lint    # lint
-    l       # alias for `lint`
-    run     # run app
-    r       # alias for `run`
-    test    # run tests
-    t       # alias for `test`
+    default                  # list commands
+
+    [build]
+    build                    # build app [alias: b]
+
+    [demo]
+    demo-blink               # build demo: blink animation [alias: db]
+    demo-countdown           # build demo: countdown [alias: dc]
+    demo-countdown-met       # build demo: countdown + met [alias: dcm]
+    demo-decis               # build demo: deciseconds [alias: dd]
+    demo-local-time          # build demo: local time [alias: dlt]
+    demo-local-time-footer   # build demo: local time (footer) [alias: dltf]
+    demo-menu                # build demo: menu [alias: dm]
+    demo-pomodoro            # build demo: pomodoro [alias: dp]
+    demo-rocket-countdown    # build demo: rocket countdown [alias: drc]
+    demo-style               # build demo: styles [alias: ds]
+    demo-timer               # build demo: timer [alias: dt]
+
+    [dev]
+    run                      # run app [alias: r]
+    run-args args            # run app with arguments. It expects arguments as a string (e.g. "-c 5:00"). [alias: ra]
+    run-sound path           # run app while sound feature is enabled. It expects a path to a sound file. [alias: rs]
+    run-sound-args path args # run app while sound feature is enabled by adding a path to a sound file and other arguments as string (e.g. "-c 5:00"). [alias: rsa]
+
+    [misc]
+    format                   # format files [alias: f]
+    lint                     # lint [alias: l]
+
+    [test]
+    test                     # run tests [alias: t]
 ```
 
 ### Build
 
 - Linux
+
 ```sh
 nix build
+# or for bulding w/ statically linked binaries
+nix build .#linuxStatic
 ```
 
 - Windows (cross-compilation)
+
 ```sh
 nix build .#windows
 ```
 
+### Run tests
+
+```sh
+cargo test
+```
+
 # Misc.
 
 ## Persistant app state
@@ -148,13 +288,21 @@ C:/Users/{user}/AppData/Local/timr-tui/data/app.data
 
 ## Logs
 
-In `debug` mode only. Locations:
+To get log output, start the app by passing `--log` to `timr-tui`. See [CLI](./#cli) for details.
+
+Logs will be stored in an `app.log` file at following locations:
 
 ```sh
 # Linux
-~/.local/state/timr/logs/app.log
+~/.local/state/timr-tui/logs/app.log
 # macOS
 /Users/{user}/Library/Application Support/timr-tui/logs/app.log
 # `Windows`
 C:/Users/{user}/AppData/Local/timr-tui/logs/app.log
 ```
+
+Optional: You can use a custom directory by passing it via `--log` arg.
+
+# License
+
+[MIT License](./LICENSE)

demo/blink.tape

@@ -0,0 +1,23 @@
+Output demo/blink.gif
+
+# https://github.com/charmbracelet/vhs/blob/main/THEMES.md
+Set Theme "nord-light"
+
+Set FontSize 14
+Set Width 800
+Set Height 400
+Set Padding 0
+Set Margin 1
+
+# --- START ---
+Set LoopOffset 4
+Hide
+# countdown 1.0s
+Type "cargo run -- -r -m countdown -d -c 1 --blink=on"
+Enter
+Sleep 0.2
+Type "m"
+Type ":::"
+Show
+Type "s"
+Sleep 4

demo/countdown-met.tape

@@ -0,0 +1,22 @@
+Output demo/countdown-met.gif
+
+# https://github.com/charmbracelet/vhs/blob/main/THEMES.md
+Set Theme "iceberg-light"
+
+Set FontSize 14
+Set Width 800
+Set Height 400
+Set Padding 0
+Set Margin 1
+
+# --- START ---
+Set LoopOffset 4
+Hide
+Type "cargo run -- -m c -c 3"
+Enter
+Sleep 0.2
+Show
+Type "s"
+Sleep 6
+Type "r"
+Sleep 1

demo/local-time-footer.tape

@@ -0,0 +1,20 @@
+Output demo/local-time-footer.gif
+
+# https://github.com/charmbracelet/vhs/blob/main/THEMES.md
+Set Theme "AtomOneLight"
+
+Set FontSize 14
+Set Width 800
+Set Height 400
+Set Padding 0
+Set Margin 1
+
+# --- START ---
+Set LoopOffset 4
+Hide
+Type "cargo run -- -m c"
+Enter
+Sleep 0.2
+Show
+# --- toggle local time ---
+Type@1.5s ":::"

demo/local-time.tape

@@ -0,0 +1,20 @@
+Output demo/local-time.gif
+
+# https://github.com/charmbracelet/vhs/blob/main/THEMES.md
+Set Theme "Atom"
+
+Set FontSize 14
+Set Width 800
+Set Height 400
+Set Padding 0
+Set Margin 1
+
+# --- START ---
+Set LoopOffset 4
+Hide
+Type "cargo run -- -m l"
+Enter
+Sleep 0.2
+Show
+# --- toggle local time ---
+Type@1.5s ":::"

demo/menu.tape

@@ -12,19 +12,15 @@ Set Margin 1
 # --- START ---
 Set LoopOffset 4
 Hide
-Type "cargo run -- -r -m p"
+Type "cargo run -- -r -m p --menu"
 Enter
-Sleep 0.2
+Type@200ms "m"
 Show
 # --- STYLES ---
-Sleep 0.5
-Type "m"
-Sleep 0.5
-Type@0.5s "t"
-Type@0.5s "c"
-Type@0.5s "p"
-Type@0.5s "e"
-Right@0.5s
-Left@0.5s
-Type@0.5s "e"
-Sleep 0.5
+Sleep 0.3s
+Type@0.3s "m"
+Type@0.3s "t"
+Type@0.3s "c"
+Type@0.3s "p"
+Type@0.3s "e"
+Escape@0.3s

demo/pomodoro.tape

@@ -10,9 +10,8 @@ Set Padding 0
 Set Margin 1
 
 # --- START ---
-Set LoopOffset 4
 Hide
-Type "cargo run -- -r -d -m p"
+Type "cargo run -- -d -m p --blink on"
 Enter
 Sleep 0.2
 Show
@@ -25,7 +24,7 @@ Sleep 0.2
 Down@30ms 80
 Sleep 100ms
 Type "e"
-Sleep 3
+Sleep 4
 # --- POMODORO PAUSE ---
 Right
 Sleep 0.5
@@ -36,4 +35,4 @@ Sleep 0.2
 Down@30ms 60
 Sleep 100ms
 Type "e"
-Sleep 3
+Sleep 4

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "crane": {
       "locked": {
-        "lastModified": 1733286231,
-        "narHash": "sha256-mlIDSv1/jqWnH8JTiOV7GMUNPCXL25+6jmD+7hdxx5o=",
+        "lastModified": 1754269165,
+        "narHash": "sha256-0tcS8FHd4QjbCVoxN9jI+PjHgA4vc/IjkUSp+N3zy0U=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "af1556ecda8bcf305820f68ec2f9d77b41d9cc80",
+        "rev": "444e81206df3f7d92780680e45858e31d2f07a08",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1732689334,
-        "narHash": "sha256-yKI1KiZ0+bvDvfPTQ1ZT3oP/nIu3jPYm4dnbRd6hYg4=",
+        "lastModified": 1755240331,
+        "narHash": "sha256-wEtw76+R/TOHEIjYOnxADC91G6s422HGruAngbjzsDw=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "a8a983027ca02b363dfc82fbe3f7d9548a8d3dce",
+        "rev": "3f076d4502001c64877099093318b2dbd8b062a1",
         "type": "github"
       },
       "original": {
@@ -56,11 +56,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733212471,
-        "narHash": "sha256-M1+uCoV5igihRfcUKrr1riygbe73/dzNnzPsmaLCmpo=",
+        "lastModified": 1755027561,
+        "narHash": "sha256-IVft239Bc8p8Dtvf7UAACMG5P3ZV+3/aO28gXpGtMXI=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "55d15ad12a74eb7d4646254e13638ad0c4128776",
+        "rev": "005433b926e16227259a1843015b5b2b7f7d1fc3",
         "type": "github"
       },
       "original": {
@@ -81,11 +81,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1732633904,
-        "narHash": "sha256-7VKcoLug9nbAN2txqVksWHHJplqK9Ou8dXjIZAIYSGc=",
+        "lastModified": 1755004716,
+        "narHash": "sha256-TbhPR5Fqw5LjAeI3/FOPhNNFQCF3cieKCJWWupeZmiA=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "8d5e91c94f80c257ce6dbdfba7bd63a5e8a03fa6",
+        "rev": "b2a58b8c6eff3c3a2c8b5c70dbf69ead78284194",
         "type": "github"
       },
       "original": {

flake.nix

@@ -1,7 +1,5 @@
 {
   inputs = {
-    # Disable `nixos-unstable` for now, it introduced some `VScode` related errors:
-    # error: function 'buildVscodeExtension' called without required argument 'pname'
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
     crane.url = "github:ipetkov/crane";
@@ -20,34 +18,40 @@
   }:
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = nixpkgs.legacyPackages.${system};
-      # Using stable toolchain as base
-      toolchain = with fenix.packages.${system};
-        combine [
-          minimal.rustc
-          minimal.cargo
-          targets.x86_64-pc-windows-gnu.latest.rust-std
-        ];
+
+      toolchain =
+        fenix.packages.${system}.fromToolchainFile
+        {
+          file = ./rust-toolchain.toml;
+          #sha256 = nixpkgs.lib.fakeSha256;
+          sha256 = "sha256-+9FmLhAOezBZCOziO0Qct1NOrfpjNsXxc/8I0c7BdKE=";
+        };
+
       craneLib = (crane.mkLib pkgs).overrideToolchain toolchain;
 
-      # Common build inputs for both native and cross compilation
       commonArgs = {
         src = craneLib.cleanCargoSource ./.;
-        cargoArtifacts = craneLib.buildDepsOnly {
-          src = craneLib.cleanCargoSource ./.;
-        };
+        strictDeps = true;
         doCheck = false; # skip tests during nix build
       };
 
+      cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
       # Native build
       timr = craneLib.buildPackage commonArgs;
 
+      # Linux build w/ statically linked binaries
+      staticLinuxBuild = craneLib.buildPackage (commonArgs
+        // {
+          inherit cargoArtifacts;
+          CARGO_BUILD_TARGET = "x86_64-unknown-linux-musl";
+          CARGO_BUILD_RUSTFLAGS = "-C target-feature=+crt-static";
+        });
+
       # Windows cross-compilation build
       # @see https://crane.dev/examples/cross-windows.html
-      crossBuild = craneLib.buildPackage {
-        src = craneLib.cleanCargoSource ./.;
-
-        strictDeps = true;
-        doCheck = false;
+      windowsBuild = craneLib.buildPackage {
+        inherit (commonArgs) src strictDeps doCheck;
 
         CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
 
@@ -68,24 +72,28 @@
       packages = {
         inherit timr;
         default = timr;
-        windows = crossBuild;
+        linuxStatic = staticLinuxBuild;
+        windows = windowsBuild;
       };
 
-      # Development shell with all necessary tools
-      devShell = with nixpkgs.legacyPackages.${system};
-        mkShell {
-          buildInputs = with fenix.packages.${system}.stable; [
-            rust-analyzer
-            clippy
-            rustfmt
-            toolchain
-            pkgs.just
-            pkgs.nixd
-            pkgs.alejandra
-          ];
+      devShells.default = with nixpkgs.legacyPackages.${system};
+        craneLib.devShell {
+          packages =
+            [
+              toolchain
+              pkgs.just
+              pkgs.nixd
+              pkgs.alejandra
+            ]
+            # some extra pkgs needed to play sound on Linux
+            ++ lib.optionals stdenv.isLinux [
+              pkgs.pkg-config
+              (pkgs.alsa-lib-with-plugins.override {
+                plugins = [pkgs.alsa-plugins pkgs.pipewire];
+              })
+            ];
 
           inherit (commonArgs) src;
-          RUST_SRC_PATH = "${toolchain}/lib/rustlib/src/rust/library";
         };
     });
 }

justfile

@@ -2,64 +2,142 @@
 
 set unstable := true
 
+# list commands
 default:
     @just --list
 
 alias b := build
-alias f := format
-alias l := lint
-alias t := test
-alias r := run
 
 # build app
+[group('build')]
 build:
     cargo build
 
+alias t := test
+
 # run tests
+[group('test')]
 test:
     cargo test
 
+alias f := format
+
 # format files
+[group('misc')]
 format:
     just --fmt
     cargo fmt
 
+alias l := lint
+
 # lint
+[group('misc')]
 lint:
     cargo clippy --no-deps
 
+alias r := run
+
 # run app
+[group('dev')]
 run:
     cargo run
 
+alias ra := run-args
+
+# run app with arguments. It expects arguments as a string (e.g. "-c 5:00").
+[group('dev')]
+run-args args:
+    cargo run -- {{ args }}
+
+alias rs := run-sound
+
+# run app while sound feature is enabled. It expects a path to a sound file.
+[group('dev')]
+run-sound path:
+    cargo run --features sound -- --sound={{ path }}
+
+alias rsa := run-sound-args
+
+# run app while sound feature is enabled by adding a path to a sound file and other arguments as string (e.g. "-c 5:00").
+[group('dev')]
+run-sound-args path args:
+    cargo run --features sound -- --sound={{ path }} {{ args }}
+
 # demos
 
 alias dp := demo-pomodoro
 
+# build demo: pomodoro
+[group('demo')]
 demo-pomodoro:
     vhs demo/pomodoro.tape
 
 alias dt := demo-timer
 
+# build demo: timer
+[group('demo')]
 demo-timer:
     vhs demo/timer.tape
 
 alias dc := demo-countdown
 
+# build demo: countdown
+[group('demo')]
 demo-countdown:
     vhs demo/countdown.tape
 
+alias dcm := demo-countdown-met
+
+# build demo: countdown + met
+[group('demo')]
+demo-countdown-met:
+    vhs demo/countdown-met.tape
+
 alias ds := demo-style
 
+# build demo: styles
+[group('demo')]
 demo-style:
     vhs demo/style.tape
 
 alias dd := demo-decis
 
+# build demo: deciseconds
+[group('demo')]
 demo-decis:
     vhs demo/decis.tape
 
 alias dm := demo-menu
 
+# build demo: menu
+[group('demo')]
 demo-menu:
     vhs demo/menu.tape
+
+alias dlt := demo-local-time
+
+# build demo: local time
+[group('demo')]
+demo-local-time:
+    vhs demo/local-time.tape
+
+alias dltf := demo-local-time-footer
+
+# build demo: local time (footer)
+[group('demo')]
+demo-local-time-footer:
+    vhs demo/local-time-footer.tape
+
+alias drc := demo-rocket-countdown
+
+# build demo: rocket countdown
+[group('demo')]
+demo-rocket-countdown:
+    vhs demo/met.tape
+
+alias db := demo-blink
+
+# build demo: blink animation
+[group('demo')]
+demo-blink:
+    vhs demo/blink.tape

rust-toolchain.toml

@@ -0,0 +1,6 @@
+[toolchain]
+# Reminder: Always keep `rust-version` in `Cargo.toml` in sync with `channel`.
+channel = "1.89.0"
+components = ["clippy", "rustfmt", "rust-src", "rust-analyzer"]
+targets = ["x86_64-pc-windows-gnu", "x86_64-unknown-linux-musl"]
+profile = "minimal"

src/app.rs

@@ -1,19 +1,24 @@
 use crate::{
     args::Args,
-    common::{Content, Style},
+    common::{AppEditMode, AppTime, AppTimeFormat, ClockTypeId, Content, Style, Toggle},
     constants::TICK_VALUE_MS,
-    events::{Event, EventHandler, Events},
+    events::{self, TuiEventHandler},
     storage::AppStorage,
     terminal::Terminal,
     widgets::{
-        clock::{self, Clock, ClockArgs},
-        countdown::{Countdown, CountdownWidget},
-        footer::Footer,
+        clock::{self, ClockState, ClockStateArgs},
+        countdown::{Countdown, CountdownState, CountdownStateArgs},
+        footer::{Footer, FooterState},
         header::Header,
-        pomodoro::{Mode as PomodoroMode, Pomodoro, PomodoroArgs, PomodoroWidget},
-        timer::{Timer, TimerWidget},
+        local_time::{LocalTimeState, LocalTimeStateArgs, LocalTimeWidget},
+        pomodoro::{Mode as PomodoroMode, PomodoroState, PomodoroStateArgs, PomodoroWidget},
+        timer::{Timer, TimerState},
     },
 };
+
+#[cfg(feature = "sound")]
+use crate::sound::Sound;
+
 use color_eyre::Result;
 use ratatui::{
     buffer::Buffer,
@@ -21,8 +26,10 @@ use ratatui::{
     layout::{Constraint, Layout, Rect},
     widgets::{StatefulWidget, Widget},
 };
+use std::path::PathBuf;
 use std::time::Duration;
-use tracing::debug;
+use time::OffsetDateTime;
+use tracing::{debug, error};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum Mode {
@@ -30,43 +37,84 @@ enum Mode {
     Quit,
 }
 
-#[derive(Debug)]
 pub struct App {
     content: Content,
     mode: Mode,
-    show_menu: bool,
-    countdown: Countdown,
-    timer: Timer,
-    pomodoro: Pomodoro,
+    notification: Toggle,
+    blink: Toggle,
+    #[allow(dead_code)] // w/ `--features sound` available only
+    sound_path: Option<PathBuf>,
+    app_time: AppTime,
+    app_time_format: AppTimeFormat,
+    countdown: CountdownState,
+    timer: TimerState,
+    pomodoro: PomodoroState,
+    local_time: LocalTimeState,
     style: Style,
     with_decis: bool,
+    footer: FooterState,
 }
 
 pub struct AppArgs {
     pub style: Style,
     pub with_decis: bool,
+    pub notification: Toggle,
+    pub blink: Toggle,
     pub show_menu: bool,
+    pub app_time_format: AppTimeFormat,
     pub content: Content,
     pub pomodoro_mode: PomodoroMode,
+    pub pomodoro_round: u64,
     pub initial_value_work: Duration,
     pub current_value_work: Duration,
     pub initial_value_pause: Duration,
     pub current_value_pause: Duration,
     pub initial_value_countdown: Duration,
     pub current_value_countdown: Duration,
+    pub elapsed_value_countdown: Duration,
     pub current_value_timer: Duration,
+    pub app_tx: events::AppEventTx,
+    pub sound_path: Option<PathBuf>,
+    pub footer_toggle_app_time: Toggle,
 }
 
-/// Getting `AppArgs` by merging `Args` and `AppStorage`.
-/// `Args` wins btw.
-impl From<(Args, AppStorage)> for AppArgs {
-    fn from((args, stg): (Args, AppStorage)) -> Self {
-        AppArgs {
+pub struct FromAppArgs {
+    pub args: Args,
+    pub stg: AppStorage,
+    pub app_tx: events::AppEventTx,
+}
+
+/// Creates an `App` by merging `Args` and `AppStorage` (`Args` wins)
+/// and adding `AppEventTx`
+impl From<FromAppArgs> for App {
+    fn from(args: FromAppArgs) -> Self {
+        let FromAppArgs { args, stg, app_tx } = args;
+
+        App::new(AppArgs {
             with_decis: args.decis || stg.with_decis,
             show_menu: args.menu || stg.show_menu,
-            content: args.mode.unwrap_or(stg.content),
+            notification: args.notification.unwrap_or(stg.notification),
+            blink: args.blink.unwrap_or(stg.blink),
+            app_time_format: stg.app_time_format,
+            // Check args to set a possible mode to start with.
+            content: match args.mode {
+                Some(mode) => mode,
+                // check other args (especially durations)
+                None => {
+                    if args.work.is_some() || args.pause.is_some() {
+                        Content::Pomodoro
+                    } else if args.countdown.is_some() {
+                        Content::Countdown
+                    }
+                    // in other case just use latest stored state
+                    else {
+                        stg.content
+                    }
+                }
+            },
             style: args.style.unwrap_or(stg.style),
             pomodoro_mode: stg.pomodoro_mode,
+            pomodoro_round: stg.pomodoro_count,
             initial_value_work: args.work.unwrap_or(stg.inital_value_work),
             // invalidate `current_value_work` if an initial value is set via args
             current_value_work: args.work.unwrap_or(stg.current_value_work),
@@ -76,8 +124,26 @@ impl From<(Args, AppStorage)> for AppArgs {
             initial_value_countdown: args.countdown.unwrap_or(stg.inital_value_countdown),
             // invalidate `current_value_countdown` if an initial value is set via args
             current_value_countdown: args.countdown.unwrap_or(stg.current_value_countdown),
+            elapsed_value_countdown: match args.countdown {
+                // reset value if countdown is set by arguments
+                Some(_) => Duration::ZERO,
+                None => stg.elapsed_value_countdown,
+            },
             current_value_timer: stg.current_value_timer,
-        }
+            app_tx,
+            #[cfg(feature = "sound")]
+            sound_path: args.sound,
+            #[cfg(not(feature = "sound"))]
+            sound_path: None,
+            footer_toggle_app_time: stg.footer_app_time,
+        })
+    }
+}
+
+fn get_app_time() -> AppTime {
+    match OffsetDateTime::now_local() {
+        Ok(t) => AppTime::Local(t),
+        Err(_) => AppTime::Utc(OffsetDateTime::now_utc()),
     }
 }
 
@@ -86,66 +152,212 @@ impl App {
         let AppArgs {
             style,
             show_menu,
+            app_time_format,
             initial_value_work,
             initial_value_pause,
             initial_value_countdown,
             current_value_work,
             current_value_pause,
             current_value_countdown,
+            elapsed_value_countdown,
             current_value_timer,
             content,
             with_decis,
             pomodoro_mode,
+            pomodoro_round,
+            notification,
+            blink,
+            sound_path,
+            app_tx,
+            footer_toggle_app_time,
         } = args;
+        let app_time = get_app_time();
+
         Self {
             mode: Mode::Running,
+            notification,
+            blink,
+            sound_path,
             content,
-            show_menu,
+            app_time,
+            app_time_format,
             style,
             with_decis,
-            countdown: Countdown::new(Clock::<clock::Countdown>::new(ClockArgs {
+            countdown: CountdownState::new(CountdownStateArgs {
                 initial_value: initial_value_countdown,
                 current_value: current_value_countdown,
-                tick_value: Duration::from_millis(TICK_VALUE_MS),
-                style,
+                elapsed_value: elapsed_value_countdown,
+                app_time,
                 with_decis,
-            })),
-            timer: Timer::new(Clock::<clock::Timer>::new(ClockArgs {
-                initial_value: Duration::ZERO,
-                current_value: current_value_timer,
-                tick_value: Duration::from_millis(TICK_VALUE_MS),
-                style,
-                with_decis,
-            })),
-            pomodoro: Pomodoro::new(PomodoroArgs {
+                app_tx: app_tx.clone(),
+            }),
+            timer: TimerState::new(
+                ClockState::<clock::Timer>::new(ClockStateArgs {
+                    initial_value: Duration::ZERO,
+                    current_value: current_value_timer,
+                    tick_value: Duration::from_millis(TICK_VALUE_MS),
+                    with_decis,
+                    app_tx: Some(app_tx.clone()),
+                })
+                .with_name("Timer".to_owned()),
+            ),
+            pomodoro: PomodoroState::new(PomodoroStateArgs {
                 mode: pomodoro_mode,
                 initial_value_work,
                 current_value_work,
                 initial_value_pause,
                 current_value_pause,
-                style,
                 with_decis,
+                round: pomodoro_round,
+                app_tx: app_tx.clone(),
             }),
+            local_time: LocalTimeState::new(LocalTimeStateArgs {
+                app_time,
+                app_time_format,
+            }),
+            footer: FooterState::new(
+                show_menu,
+                if footer_toggle_app_time == Toggle::On {
+                    Some(app_time_format)
+                } else {
+                    None
+                },
+            ),
         }
     }
 
-    pub async fn run(mut self, mut terminal: Terminal, mut events: Events) -> Result<Self> {
-        while self.is_running() {
-            if let Some(event) = events.next().await {
-                // Pipe events into subviews and handle only 'unhandled' events afterwards
-                if let Some(unhandled) = match self.content {
-                    Content::Countdown => self.countdown.update(event.clone()),
-                    Content::Timer => self.timer.update(event.clone()),
-                    Content::Pomodoro => self.pomodoro.update(event.clone()),
-                } {
-                    match unhandled {
-                        Event::Render | Event::Resize => {
-                            self.draw(&mut terminal)?;
+    pub async fn run(
+        mut self,
+        terminal: &mut Terminal,
+        mut events: events::Events,
+    ) -> Result<Self> {
+        // Closure to handle `KeyEvent`'s
+        let handle_key_event = |app: &mut Self, key: KeyEvent| {
+            debug!("Received key {:?}", key.code);
+            match key.code {
+                KeyCode::Char('q') => app.mode = Mode::Quit,
+                KeyCode::Char('c') => app.content = Content::Countdown,
+                KeyCode::Char('t') => app.content = Content::Timer,
+                KeyCode::Char('p') => app.content = Content::Pomodoro,
+                KeyCode::Char('l') => app.content = Content::LocalTime,
+                // toogle app time format
+                KeyCode::Char(':') => {
+                    if app.content == Content::LocalTime {
+                        // For LocalTime content: just cycle through formats
+                        app.app_time_format = app.app_time_format.next();
+                        app.local_time.set_app_time_format(app.app_time_format);
+                        // Only update footer if it's currently showing time
+                        if app.footer.app_time_format().is_some() {
+                            app.footer.set_app_time_format(Some(app.app_time_format));
                         }
-                        Event::Key(key) => self.handle_key_event(key),
-                        _ => {}
+                    } else {
+                        // For other content: allow footer to toggle between formats and None
+                        let new_format = match app.footer.app_time_format() {
+                            // footer is hidden -> show first format
+                            None => Some(AppTimeFormat::first()),
+                            Some(v) => {
+                                if v != &AppTimeFormat::last() {
+                                    Some(v.next())
+                                } else {
+                                    // reached last format -> hide footer time
+                                    None
+                                }
+                            }
+                        };
+
+                        if let Some(format) = new_format {
+                            app.app_time_format = format;
+                            app.local_time.set_app_time_format(format);
+                        }
+                        app.footer.set_app_time_format(new_format);
                     }
                 }
+                // toogle menu
+                KeyCode::Char('m') => app.footer.set_show_menu(!app.footer.get_show_menu()),
+                KeyCode::Char(',') => {
+                    app.style = app.style.next();
+                }
+                KeyCode::Char('.') => {
+                    app.with_decis = !app.with_decis;
+                    // update clocks
+                    app.timer.set_with_decis(app.with_decis);
+                    app.countdown.set_with_decis(app.with_decis);
+                    app.pomodoro.set_with_decis(app.with_decis);
+                }
+                KeyCode::Up => app.footer.set_show_menu(true),
+                KeyCode::Down => app.footer.set_show_menu(false),
+                _ => {}
+            };
+        };
+        // Closure to handle `TuiEvent`'s
+        let mut handle_tui_events = |app: &mut Self, event: events::TuiEvent| -> Result<()> {
+            if matches!(event, events::TuiEvent::Tick) {
+                app.app_time = get_app_time();
+                app.countdown.set_app_time(app.app_time);
+                app.local_time.set_app_time(app.app_time);
+            }
+
+            // Pipe events into subviews and handle only 'unhandled' events afterwards
+            if let Some(unhandled) = match app.content {
+                Content::Countdown => app.countdown.update(event.clone()),
+                Content::Timer => app.timer.update(event.clone()),
+                Content::Pomodoro => app.pomodoro.update(event.clone()),
+                Content::LocalTime => app.local_time.update(event.clone()),
+            } {
+                match unhandled {
+                    events::TuiEvent::Render | events::TuiEvent::Resize => {
+                        app.draw(terminal)?;
+                    }
+                    events::TuiEvent::Key(key) => handle_key_event(app, key),
+                    _ => {}
+                }
+            }
+            Ok(())
+        };
+
+        #[allow(unused_variables)] // `app` is used by `--features sound` only
+        // Closure to handle `AppEvent`'s
+        let handle_app_events = |app: &mut Self, event: events::AppEvent| -> Result<()> {
+            match event {
+                events::AppEvent::ClockDone(type_id, name) => {
+                    debug!("AppEvent::ClockDone");
+
+                    if app.notification == Toggle::On {
+                        let msg = match type_id {
+                            ClockTypeId::Timer => {
+                                format!("{name} stopped by reaching its maximum value.")
+                            }
+                            _ => format!("{type_id:?} {name} done!"),
+                        };
+                        // notification
+                        let result = notify_rust::Notification::new()
+                            .summary(&msg.to_uppercase())
+                            .show();
+                        if let Err(err) = result {
+                            error!("on_done {name} error: {err}");
+                        }
+                    };
+
+                    #[cfg(feature = "sound")]
+                    if let Some(path) = app.sound_path.clone() {
+                        _ = Sound::new(path).and_then(|sound| sound.play()).or_else(
+                            |err| -> Result<()> {
+                                error!("Sound error: {:?}", err);
+                                Ok(())
+                            },
+                        );
+                    }
+                }
+            }
+            Ok(())
+        };
+
+        while self.is_running() {
+            if let Some(event) = events.next().await {
+                let _ = match event {
+                    events::Event::Terminal(e) => handle_tui_events(&mut self, e),
+                    events::Event::App(e) => handle_app_events(&mut self, e),
+                };
             }
         }
         Ok(self)
@@ -155,19 +367,43 @@ impl App {
         self.mode != Mode::Quit
     }
 
-    fn is_edit_mode(&self) -> bool {
+    fn get_edit_mode(&self) -> AppEditMode {
         match self.content {
-            Content::Countdown => self.countdown.get_clock().is_edit_mode(),
-            Content::Timer => self.timer.get_clock().is_edit_mode(),
-            Content::Pomodoro => self.pomodoro.get_clock().is_edit_mode(),
+            Content::Countdown => {
+                if self.countdown.is_clock_edit_mode() {
+                    AppEditMode::Clock
+                } else if self.countdown.is_time_edit_mode() {
+                    AppEditMode::Time
+                } else {
+                    AppEditMode::None
+                }
+            }
+
+            Content::Timer => {
+                if self.timer.get_clock().is_edit_mode() {
+                    AppEditMode::Clock
+                } else {
+                    AppEditMode::None
+                }
+            }
+            Content::Pomodoro => {
+                if self.pomodoro.get_clock().is_edit_mode() {
+                    AppEditMode::Clock
+                } else {
+                    AppEditMode::None
+                }
+            }
+            Content::LocalTime => AppEditMode::None,
         }
     }
 
     fn clock_is_running(&self) -> bool {
         match self.content {
-            Content::Countdown => self.countdown.get_clock().is_running(),
+            Content::Countdown => self.countdown.is_running(),
             Content::Timer => self.timer.get_clock().is_running(),
             Content::Pomodoro => self.pomodoro.get_clock().is_running(),
+            // `LocalTime` does not use a `Clock`
+            Content::LocalTime => false,
         }
     }
 
@@ -176,37 +412,10 @@ impl App {
             Content::Countdown => Some(self.countdown.get_clock().get_percentage_done()),
             Content::Timer => None,
             Content::Pomodoro => Some(self.pomodoro.get_clock().get_percentage_done()),
+            Content::LocalTime => None,
         }
     }
 
-    fn handle_key_event(&mut self, key: KeyEvent) {
-        debug!("Received key {:?}", key.code);
-        match key.code {
-            KeyCode::Char('q') | KeyCode::Esc => self.mode = Mode::Quit,
-            KeyCode::Char('c') => self.content = Content::Countdown,
-            KeyCode::Char('t') => self.content = Content::Timer,
-            KeyCode::Char('p') => self.content = Content::Pomodoro,
-            KeyCode::Char('m') => self.show_menu = !self.show_menu,
-            KeyCode::Char(',') => {
-                self.style = self.style.next();
-                // update clocks
-                self.timer.set_style(self.style);
-                self.countdown.set_style(self.style);
-                self.pomodoro.set_style(self.style);
-            }
-            KeyCode::Char('.') => {
-                self.with_decis = !self.with_decis;
-                // update clocks
-                self.timer.set_with_decis(self.with_decis);
-                self.countdown.set_with_decis(self.with_decis);
-                self.pomodoro.set_with_decis(self.with_decis);
-            }
-            KeyCode::Up => self.show_menu = true,
-            KeyCode::Down => self.show_menu = false,
-            _ => {}
-        };
-    }
-
     fn draw(&mut self, terminal: &mut Terminal) -> Result<()> {
         terminal.draw(|frame| {
             frame.render_stateful_widget(AppWidget, frame.area(), self);
@@ -217,10 +426,14 @@ impl App {
     pub fn to_storage(&self) -> AppStorage {
         AppStorage {
             content: self.content,
-            show_menu: self.show_menu,
+            show_menu: self.footer.get_show_menu(),
+            notification: self.notification,
+            blink: self.blink,
+            app_time_format: self.app_time_format,
             style: self.style,
             with_decis: self.with_decis,
             pomodoro_mode: self.pomodoro.get_mode().clone(),
+            pomodoro_count: self.pomodoro.get_round(),
             inital_value_work: Duration::from(*self.pomodoro.get_clock_work().get_initial_value()),
             current_value_work: Duration::from(*self.pomodoro.get_clock_work().get_current_value()),
             inital_value_pause: Duration::from(
@@ -233,7 +446,9 @@ impl App {
             current_value_countdown: Duration::from(
                 *self.countdown.get_clock().get_current_value(),
             ),
+            elapsed_value_countdown: Duration::from(*self.countdown.get_elapsed_value()),
             current_value_timer: Duration::from(*self.timer.get_clock().get_current_value()),
+            footer_app_time: self.footer.app_time_format().is_some().into(),
         }
     }
 }
@@ -243,9 +458,26 @@ struct AppWidget;
 impl AppWidget {
     fn render_content(&self, area: Rect, buf: &mut Buffer, state: &mut App) {
         match state.content {
-            Content::Timer => TimerWidget.render(area, buf, &mut state.timer.clone()),
-            Content::Countdown => CountdownWidget.render(area, buf, &mut state.countdown.clone()),
-            Content::Pomodoro => PomodoroWidget.render(area, buf, &mut state.pomodoro.clone()),
+            Content::Timer => {
+                Timer {
+                    style: state.style,
+                    blink: state.blink == Toggle::On,
+                }
+                .render(area, buf, &mut state.timer);
+            }
+            Content::Countdown => Countdown {
+                style: state.style,
+                blink: state.blink == Toggle::On,
+            }
+            .render(area, buf, &mut state.countdown),
+            Content::Pomodoro => PomodoroWidget {
+                style: state.style,
+                blink: state.blink == Toggle::On,
+            }
+            .render(area, buf, &mut state.pomodoro),
+            Content::LocalTime => {
+                LocalTimeWidget { style: state.style }.render(area, buf, &mut state.local_time);
+            }
         };
     }
 }
@@ -256,7 +488,7 @@ impl StatefulWidget for AppWidget {
         let [v0, v1, v2] = Layout::vertical([
             Constraint::Length(1),
             Constraint::Percentage(100),
-            Constraint::Length(if state.show_menu { 4 } else { 1 }),
+            Constraint::Length(if state.footer.get_show_menu() { 5 } else { 1 }),
         ])
         .areas(area);
 
@@ -269,11 +501,11 @@ impl StatefulWidget for AppWidget {
         self.render_content(v1, buf, state);
         // footer
         Footer {
-            show_menu: state.show_menu,
             running_clock: state.clock_is_running(),
             selected_content: state.content,
-            edit_mode: state.is_edit_mode(),
+            app_edit_mode: state.get_edit_mode(),
+            app_time: state.app_time,
         }
-        .render(v2, buf);
+        .render(v2, buf, &mut state.footer);
     }
 }

src/args.rs

@@ -1,10 +1,15 @@
 use crate::{
-    common::{Content, Style},
+    common::{Content, Style, Toggle},
     duration,
 };
+#[cfg(feature = "sound")]
+use crate::{sound, sound::SoundError};
 use clap::Parser;
+use std::path::PathBuf;
 use std::time::Duration;
 
+pub const LOG_DIRECTORY_DEFAULT_MISSING_VALUE: &str = " "; // empty string
+
 #[derive(Parser)]
 #[command(version)]
 pub struct Args {
@@ -23,7 +28,7 @@ pub struct Args {
     )]
     pub pause: Option<Duration>,
 
-    #[arg(long, short = 'd', help = "Whether to show deciseconds or not.")]
+    #[arg(long, short = 'd', help = "Show deciseconds.")]
     pub decis: bool,
 
     #[arg(long, short = 'm', value_enum, help = "Mode to start with.")]
@@ -32,9 +37,55 @@ pub struct Args {
     #[arg(long, short = 's', value_enum, help = "Style to display time with.")]
     pub style: Option<Style>,
 
-    #[arg(long, value_enum, help = "Whether to open the menu or not.")]
+    #[arg(long, value_enum, help = "Open the menu.")]
     pub menu: bool,
 
-    #[arg(long, short = 'r', help = "Reset stored values to default.")]
+    #[arg(long, short = 'r', help = "Reset stored values to default values.")]
     pub reset: bool,
+
+    #[arg(
+        long,
+        short,
+        value_enum,
+        help = "Toggle desktop notifications. Experimental."
+    )]
+    pub notification: Option<Toggle>,
+
+    #[arg(
+        long,
+        value_enum,
+        help = "Toggle blink mode to animate a clock when it reaches its finished mode."
+    )]
+    pub blink: Option<Toggle>,
+
+    #[cfg(feature = "sound")]
+    #[arg(
+        long,
+        value_enum,
+        help = "Path to sound file (.mp3 or .wav) to play as notification. Experimental.",
+        value_hint = clap::ValueHint::FilePath,
+        value_parser = sound_file_parser,
+    )]
+    pub sound: Option<PathBuf>,
+
+    #[arg(
+        long,
+        // allows both --log=path and --log path syntax
+        num_args = 0..=1,
+        // Note: If no value is passed, use a " " by default,
+        // this value will be checked later in `main`
+        // to use another (default) log directory instead
+        default_missing_value=LOG_DIRECTORY_DEFAULT_MISSING_VALUE,
+        help = "Directory to store log file. If not set, standard application log directory is used (check README for details).",
+        value_hint = clap::ValueHint::DirPath,
+    )]
+    pub log: Option<PathBuf>,
+}
+
+#[cfg(feature = "sound")]
+/// Custom parser for sound file
+fn sound_file_parser(s: &str) -> Result<PathBuf, SoundError> {
+    let path = PathBuf::from(s);
+    sound::validate_sound_file(&path)?;
+    Ok(path)
 }

src/common.rs

@@ -1,6 +1,8 @@
 use clap::ValueEnum;
 use ratatui::symbols::shade;
 use serde::{Deserialize, Serialize};
+use strum::EnumString;
+use time::{OffsetDateTime, format_description};
 
 #[derive(
     Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, ValueEnum, Default, Serialize, Deserialize,
@@ -13,6 +15,14 @@ pub enum Content {
     Timer,
     #[value(name = "pomodoro", alias = "p")]
     Pomodoro,
+    #[value(name = "localtime", alias = "l")]
+    LocalTime,
+}
+
+#[derive(Clone, Debug)]
+pub enum ClockTypeId {
+    Countdown,
+    Timer,
 }
 
 #[derive(Debug, Copy, Clone, ValueEnum, Default, Serialize, Deserialize)]
@@ -62,3 +72,164 @@ impl Style {
         }
     }
 }
+
+#[derive(Debug, Clone, Copy, Default, PartialEq, EnumString, Serialize, Deserialize)]
+pub enum AppTimeFormat {
+    /// `hh:mm:ss`
+    #[default]
+    HhMmSs,
+    /// `hh:mm`
+    HhMm,
+    /// `hh:mm AM` (or PM)
+    Hh12Mm,
+}
+
+impl AppTimeFormat {
+    pub const fn first() -> Self {
+        Self::HhMmSs
+    }
+
+    pub const fn last() -> Self {
+        Self::Hh12Mm
+    }
+
+    pub fn next(&self) -> Self {
+        match self {
+            AppTimeFormat::HhMmSs => AppTimeFormat::HhMm,
+            AppTimeFormat::HhMm => AppTimeFormat::Hh12Mm,
+            AppTimeFormat::Hh12Mm => AppTimeFormat::HhMmSs,
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub enum AppTime {
+    Local(OffsetDateTime),
+    Utc(OffsetDateTime),
+}
+
+impl From<AppTime> for OffsetDateTime {
+    fn from(app_time: AppTime) -> Self {
+        match app_time {
+            AppTime::Local(t) => t,
+            AppTime::Utc(t) => t,
+        }
+    }
+}
+
+impl AppTime {
+    pub fn format(&self, app_format: &AppTimeFormat) -> String {
+        let parse_str = match app_format {
+            AppTimeFormat::HhMmSs => "[hour]:[minute]:[second]",
+            AppTimeFormat::HhMm => "[hour]:[minute]",
+            AppTimeFormat::Hh12Mm => "[hour repr:12 padding:none]:[minute] [period]",
+        };
+
+        format_description::parse(parse_str)
+            .map_err(|_| "parse error")
+            .and_then(|fd| {
+                OffsetDateTime::from(*self)
+                    .format(&fd)
+                    .map_err(|_| "format error")
+            })
+            .unwrap_or_else(|e| e.to_string())
+    }
+
+    pub fn get_period(&self) -> String {
+        format_description::parse("[period]")
+            .map_err(|_| "parse error")
+            .and_then(|fd| {
+                OffsetDateTime::from(*self)
+                    .format(&fd)
+                    .map_err(|_| "format error")
+            })
+            .unwrap_or_else(|e| e.to_string())
+    }
+
+    /// Converts `AppTime` into a `Duration` representing elapsed time since midnight (today).
+    pub fn as_duration_of_today(&self) -> std::time::Duration {
+        let dt = OffsetDateTime::from(*self);
+        let time = dt.time();
+
+        let total_nanos = u64::from(time.hour()) * 3_600_000_000_000
+            + u64::from(time.minute()) * 60_000_000_000
+            + u64::from(time.second()) * 1_000_000_000
+            + u64::from(time.nanosecond());
+
+        std::time::Duration::from_nanos(total_nanos)
+    }
+}
+
+#[derive(Debug)]
+pub enum AppEditMode {
+    None,
+    Clock,
+    Time,
+}
+
+#[derive(Debug, Clone, Copy, ValueEnum, PartialEq, Eq, Default, Serialize, Deserialize)]
+pub enum Toggle {
+    #[value(name = "on")]
+    On,
+    #[default]
+    #[value(name = "off")]
+    Off,
+}
+
+impl From<bool> for Toggle {
+    fn from(value: bool) -> Self {
+        match value {
+            true => Toggle::On,
+            false => Toggle::Off,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    use time::{Date, Month, PrimitiveDateTime, Time};
+
+    #[test]
+    fn test_format_app_time() {
+        let dt = PrimitiveDateTime::new(
+            Date::from_calendar_date(2025, Month::January, 6).unwrap(),
+            Time::from_hms(18, 6, 10).unwrap(),
+        )
+        .assume_utc();
+        // hh:mm:ss
+        assert_eq!(
+            AppTime::Utc(dt).format(&AppTimeFormat::HhMmSs),
+            "18:06:10",
+            "utc"
+        );
+        assert_eq!(
+            AppTime::Local(dt).format(&AppTimeFormat::HhMmSs),
+            "18:06:10",
+            "local"
+        );
+        // hh:mm
+        assert_eq!(
+            AppTime::Utc(dt).format(&AppTimeFormat::HhMm),
+            "18:06",
+            "utc"
+        );
+        assert_eq!(
+            AppTime::Local(dt).format(&AppTimeFormat::HhMm),
+            "18:06",
+            "local"
+        );
+        // hh:mm period
+        assert_eq!(
+            AppTime::Utc(dt).format(&AppTimeFormat::Hh12Mm),
+            "6:06 PM",
+            "utc"
+        );
+        assert_eq!(
+            AppTime::Local(dt).format(&AppTimeFormat::Hh12Mm),
+            "6:06 PM",
+            "local"
+        );
+    }
+}

src/config.rs

@@ -1,8 +1,9 @@
 use crate::constants::APP_NAME;
-use color_eyre::eyre::{eyre, Result};
+use color_eyre::eyre::{Result, eyre};
 use directories::ProjectDirs;
 use std::fs;
 use std::path::PathBuf;
+
 pub struct Config {
     pub log_dir: PathBuf,
     pub data_dir: PathBuf,
@@ -10,8 +11,11 @@ pub struct Config {
 
 impl Config {
     pub fn init() -> Result<Self> {
+        // default logs dir
         let log_dir = get_default_state_dir()?.join("logs");
         fs::create_dir_all(&log_dir)?;
+
+        // default data dir
         let data_dir = get_default_state_dir()?.join("data");
         fs::create_dir_all(&data_dir)?;
 

src/duration.rs

@@ -1,6 +1,6 @@
 use color_eyre::{
-    eyre::{ensure, eyre},
     Report,
+    eyre::{ensure, eyre},
 };
 use std::fmt;
 use std::time::Duration;
@@ -20,6 +20,10 @@ pub const MINS_PER_HOUR: u64 = 60;
 // https://doc.rust-lang.org/src/core/time.rs.html#36
 const HOURS_PER_DAY: u64 = 24;
 
+// max. 99:59:59
+pub const MAX_DURATION: Duration =
+    Duration::from_secs(100 * MINS_PER_HOUR * SECS_PER_MINUTE).saturating_sub(ONE_SECOND);
+
 #[derive(Debug, Clone, Copy, PartialOrd)]
 pub struct DurationEx {
     inner: Duration,
@@ -56,10 +60,19 @@ impl DurationEx {
         self.seconds() / (SECS_PER_MINUTE * MINS_PER_HOUR)
     }
 
+    /// Hours as 24-hour clock
     pub fn hours_mod(&self) -> u64 {
         self.hours() % HOURS_PER_DAY
     }
 
+    /// Hours as 12-hour clock
+    pub fn hours_mod_12(&self) -> u64 {
+        // 0 => 12,
+        // 1..=12 => hours,
+        // 13..=23 => hours - 12,
+        (self.hours_mod() + 11) % 12 + 1
+    }
+
     pub fn minutes(&self) -> u64 {
         self.seconds() / MINS_PER_HOUR
     }
@@ -86,6 +99,10 @@ impl DurationEx {
         let inner = self.inner.saturating_sub(ex.inner);
         Self { inner }
     }
+
+    pub fn to_string_with_decis(self) -> String {
+        format!("{}.{}", self, self.decis())
+    }
 }
 
 impl fmt::Display for DurationEx {
@@ -169,22 +186,22 @@ mod tests {
     fn test_fmt() {
         // hh:mm:ss
         let ex: DurationEx = Duration::from_secs(36001).into();
-        assert_eq!(format!("{}", ex), "10:00:01");
+        assert_eq!(format!("{ex}"), "10:00:01");
         // h:mm:ss
         let ex: DurationEx = Duration::from_secs(3601).into();
-        assert_eq!(format!("{}", ex), "1:00:01");
+        assert_eq!(format!("{ex}"), "1:00:01");
         // mm:ss
         let ex: DurationEx = Duration::from_secs(71).into();
-        assert_eq!(format!("{}", ex), "1:11");
+        assert_eq!(format!("{ex}"), "1:11");
         // m:ss
         let ex: DurationEx = Duration::from_secs(61).into();
-        assert_eq!(format!("{}", ex), "1:01");
+        assert_eq!(format!("{ex}"), "1:01");
         // ss
         let ex: DurationEx = Duration::from_secs(11).into();
-        assert_eq!(format!("{}", ex), "11");
+        assert_eq!(format!("{ex}"), "11");
         // s
         let ex: DurationEx = Duration::from_secs(1).into();
-        assert_eq!(format!("{}", ex), "1");
+        assert_eq!(format!("{ex}"), "1");
     }
 
     #[test]
@@ -192,7 +209,7 @@ mod tests {
         let ex: DurationEx = Duration::from_secs(10).into();
         let ex2: DurationEx = Duration::from_secs(1).into();
         let ex3 = ex.saturating_sub(ex2);
-        assert_eq!(format!("{}", ex3), "9");
+        assert_eq!(format!("{ex3}"), "9");
     }
 
     #[test]
@@ -200,7 +217,35 @@ mod tests {
         let ex: DurationEx = Duration::from_secs(10).into();
         let ex2: DurationEx = Duration::from_secs(1).into();
         let ex3 = ex.saturating_add(ex2);
-        assert_eq!(format!("{}", ex3), "11");
+        assert_eq!(format!("{ex3}"), "11");
+    }
+
+    #[test]
+    fn test_hours_mod_12() {
+        // 24 -> 12
+        let ex: DurationEx = ONE_HOUR.saturating_mul(24).into();
+        let result = ex.hours_mod_12();
+        assert_eq!(result, 12);
+
+        // 12 -> 12
+        let ex: DurationEx = ONE_HOUR.saturating_mul(12).into();
+        let result = ex.hours_mod_12();
+        assert_eq!(result, 12);
+
+        // 0 -> 12
+        let ex: DurationEx = ONE_SECOND.into();
+        let result = ex.hours_mod_12();
+        assert_eq!(result, 12);
+
+        // 13 -> 1
+        let ex: DurationEx = ONE_HOUR.saturating_mul(13).into();
+        let result = ex.hours_mod_12();
+        assert_eq!(result, 1);
+
+        // 1 -> 1
+        let ex: DurationEx = ONE_HOUR.saturating_mul(1).into();
+        let result = ex.hours_mod_12();
+        assert_eq!(result, 1);
     }
 
     #[test]

src/events.rs

@@ -1,9 +1,11 @@
 use crossterm::event::{Event as CrosstermEvent, EventStream, KeyEvent, KeyEventKind};
 use futures::{Stream, StreamExt};
 use std::{pin::Pin, time::Duration};
+use tokio::sync::mpsc;
 use tokio::time::interval;
-use tokio_stream::{wrappers::IntervalStream, StreamMap};
+use tokio_stream::{StreamMap, wrappers::IntervalStream};
 
+use crate::common::ClockTypeId;
 use crate::constants::{FPS_VALUE_MS, TICK_VALUE_MS};
 
 #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
@@ -12,8 +14,9 @@ enum StreamKey {
     Render,
     Crossterm,
 }
+
 #[derive(Clone, Debug)]
-pub enum Event {
+pub enum TuiEvent {
     Error,
     Tick,
     Render,
@@ -21,8 +24,17 @@ pub enum Event {
     Resize,
 }
 
+#[derive(Clone, Debug)]
+pub enum AppEvent {
+    ClockDone(ClockTypeId, String),
+}
+
+pub type AppEventTx = mpsc::UnboundedSender<AppEvent>;
+pub type AppEventRx = mpsc::UnboundedReceiver<AppEvent>;
+
 pub struct Events {
-    streams: StreamMap<StreamKey, Pin<Box<dyn Stream<Item = Event>>>>,
+    streams: StreamMap<StreamKey, Pin<Box<dyn Stream<Item = TuiEvent>>>>,
+    app_channel: (AppEventTx, AppEventRx),
 }
 
 impl Default for Events {
@@ -33,31 +45,46 @@ impl Default for Events {
                 (StreamKey::Render, render_stream()),
                 (StreamKey::Crossterm, crossterm_stream()),
             ]),
+            app_channel: mpsc::unbounded_channel(),
         }
     }
 }
 
+pub enum Event {
+    Terminal(TuiEvent),
+    App(AppEvent),
+}
+
 impl Events {
     pub fn new() -> Self {
         Self::default()
     }
 
     pub async fn next(&mut self) -> Option<Event> {
-        self.streams.next().await.map(|(_, event)| event)
+        let streams = &mut self.streams;
+        let app_rx = &mut self.app_channel.1;
+        tokio::select! {
+            Some((_, event)) = streams.next() => Some(Event::Terminal(event)),
+            Some(app_event) = app_rx.recv() => Some(Event::App(app_event)),
+        }
+    }
+
+    pub fn get_app_event_tx(&self) -> AppEventTx {
+        self.app_channel.0.clone()
     }
 }
 
-fn tick_stream() -> Pin<Box<dyn Stream<Item = Event>>> {
+fn tick_stream() -> Pin<Box<dyn Stream<Item = TuiEvent>>> {
     let tick_interval = interval(Duration::from_millis(TICK_VALUE_MS));
-    Box::pin(IntervalStream::new(tick_interval).map(|_| Event::Tick))
+    Box::pin(IntervalStream::new(tick_interval).map(|_| TuiEvent::Tick))
 }
 
-fn render_stream() -> Pin<Box<dyn Stream<Item = Event>>> {
+fn render_stream() -> Pin<Box<dyn Stream<Item = TuiEvent>>> {
     let render_interval = interval(Duration::from_millis(FPS_VALUE_MS));
-    Box::pin(IntervalStream::new(render_interval).map(|_| Event::Render))
+    Box::pin(IntervalStream::new(render_interval).map(|_| TuiEvent::Render))
 }
 
-fn crossterm_stream() -> Pin<Box<dyn Stream<Item = Event>>> {
+fn crossterm_stream() -> Pin<Box<dyn Stream<Item = TuiEvent>>> {
     Box::pin(
         EventStream::new()
             .fuse()
@@ -65,16 +92,16 @@ fn crossterm_stream() -> Pin<Box<dyn Stream<Item = Event>>> {
             .filter_map(|event| async move {
                 match event {
                     Ok(CrosstermEvent::Key(key)) if key.kind == KeyEventKind::Press => {
-                        Some(Event::Key(key))
+                        Some(TuiEvent::Key(key))
                     }
-                    Ok(CrosstermEvent::Resize(_, _)) => Some(Event::Resize),
-                    Err(_) => Some(Event::Error),
+                    Ok(CrosstermEvent::Resize(_, _)) => Some(TuiEvent::Resize),
+                    Err(_) => Some(TuiEvent::Error),
                     _ => None,
                 }
             }),
     )
 }
 
-pub trait EventHandler {
-    fn update(&mut self, _: Event) -> Option<Event>;
+pub trait TuiEventHandler {
+    fn update(&mut self, _: TuiEvent) -> Option<TuiEvent>;
 }

src/logging.rs

@@ -1,4 +1,4 @@
-use color_eyre::eyre::Result;
+use color_eyre::eyre::{Result, eyre};
 use std::fs;
 use std::path::PathBuf;
 use tracing::level_filters::LevelFilter;
@@ -17,7 +17,13 @@ impl Logger {
 
     pub fn init(&self) -> Result<()> {
         let log_path = self.log_dir.join("app.log");
-        let log_file = fs::File::create(log_path)?;
+        let log_file = fs::File::create(log_path).map_err(|err| {
+            eyre!(
+                "Could not create a log file in {:?} : {}",
+                self.log_dir,
+                err
+            )
+        })?;
         let fmt_layer = tracing_subscriber::fmt::layer()
             .with_file(true)
             .with_line_number(true)

src/main.rs

@@ -3,7 +3,6 @@ mod common;
 mod config;
 mod constants;
 mod events;
-#[cfg(debug_assertions)]
 mod logging;
 
 mod args;
@@ -13,24 +12,50 @@ mod terminal;
 mod utils;
 mod widgets;
 
-use app::{App, AppArgs};
-use args::Args;
+#[cfg(feature = "sound")]
+mod sound;
+
+use app::{App, FromAppArgs};
+use args::{Args, LOG_DIRECTORY_DEFAULT_MISSING_VALUE};
 use clap::Parser;
 use color_eyre::Result;
 use config::Config;
+use std::path::PathBuf;
 use storage::{AppStorage, Storage};
 
 #[tokio::main]
 async fn main() -> Result<()> {
+    // init `Config`
     let cfg = Config::init()?;
-    #[cfg(debug_assertions)]
-    logging::Logger::new(cfg.log_dir).init()?;
 
     color_eyre::install()?;
+
     // get args given by CLI
     let args = Args::parse();
+    // Note:
+    // `log` arg can have three different values:
+    // (1) not set => None
+    // (2) set with path => Some(Some(path))
+    // (3) set without path => Some(None)
+    let custom_log_dir: Option<Option<&PathBuf>> = if let Some(path) = &args.log {
+        if path.ne(PathBuf::from(LOG_DIRECTORY_DEFAULT_MISSING_VALUE).as_os_str()) {
+            // (2)
+            Some(Some(path))
+        } else {
+            // (3)
+            Some(None)
+        }
+    } else {
+        // (1)
+        None
+    };
 
-    let terminal = terminal::setup()?;
+    if let Some(log_dir) = custom_log_dir {
+        let dir: PathBuf = log_dir.unwrap_or(&cfg.log_dir).to_path_buf();
+        logging::Logger::new(dir).init()?;
+    }
+
+    let mut terminal = terminal::setup()?;
     let events = events::Events::new();
 
     // check persistant storage
@@ -42,9 +67,14 @@ async fn main() -> Result<()> {
         storage.load().unwrap_or_default()
     };
 
-    // merge `Args` and `AppStorage`.
-    let app_args = AppArgs::from((args, stg));
-    let app_storage = App::new(app_args).run(terminal, events).await?.to_storage();
+    let app_storage = App::from(FromAppArgs {
+        args,
+        stg,
+        app_tx: events.get_app_event_tx(),
+    })
+    .run(&mut terminal, events)
+    .await?
+    .to_storage();
     // store app state persistantly
     storage.save(app_storage)?;
 

src/sound.rs

@@ -0,0 +1,73 @@
+use rodio::{Decoder, OutputStream, Sink};
+use std::fs::File;
+use std::io::BufReader;
+use std::path::PathBuf;
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum SoundError {
+    #[error("Sound output stream error: {0}")]
+    OutputStream(String),
+    #[error("Sound file error: {0}")]
+    File(String),
+    #[error("Sound sink error: {0}")]
+    Sink(String),
+    #[error("Sound decoder error: {0}")]
+    Decoder(String),
+}
+
+pub fn validate_sound_file(path: &PathBuf) -> Result<&PathBuf, SoundError> {
+    // validate path
+    if !path.exists() {
+        let err = SoundError::File(format!("File not found: {:?}", path));
+        return Err(err);
+    };
+
+    // Validate file extension
+    path.extension()
+        .and_then(|ext| ext.to_str())
+        .filter(|ext| ["mp3", "wav"].contains(&ext.to_lowercase().as_str()))
+        .ok_or_else(|| {
+            SoundError::File(
+                "Unsupported file extension. Only .mp3 and .wav are supported".to_owned(),
+            )
+        })?;
+
+    Ok(path)
+}
+
+// #[derive(Clone)]
+pub struct Sound {
+    path: PathBuf,
+}
+
+impl Sound {
+    pub fn new(path: PathBuf) -> Result<Self, SoundError> {
+        Ok(Self { path })
+    }
+
+    pub fn play(&self) -> Result<(), SoundError> {
+        // validate file again
+        validate_sound_file(&self.path)?;
+        // before playing the sound
+        let path = self.path.clone();
+
+        std::thread::spawn(move || -> Result<(), SoundError> {
+            // Important note: Never (ever) use a single `_` as a placeholder here. `_stream` or something is fine!
+            // The value will dropped and the sound will fail without any errors
+            // see https://github.com/RustAudio/rodio/issues/330
+            let (_stream, handle) =
+                OutputStream::try_default().map_err(|e| SoundError::OutputStream(e.to_string()))?;
+            let file = File::open(&path).map_err(|e| SoundError::File(e.to_string()))?;
+            let sink = Sink::try_new(&handle).map_err(|e| SoundError::Sink(e.to_string()))?;
+            let decoder = Decoder::new(BufReader::new(file))
+                .map_err(|e| SoundError::Decoder(e.to_string()))?;
+            sink.append(decoder);
+            sink.sleep_until_end();
+
+            Ok(())
+        });
+
+        Ok(())
+    }
+}

src/storage.rs

@@ -1,20 +1,37 @@
 use crate::{
-    common::{Content, Style},
+    common::{AppTimeFormat, Content, Style, Toggle},
     widgets::pomodoro::Mode as PomodoroMode,
 };
 use color_eyre::eyre::Result;
-use serde::{Deserialize, Serialize};
+use serde::{Deserialize, Deserializer, Serialize};
 use std::fs;
 use std::path::PathBuf;
 use std::time::Duration;
 
+fn deserialize_app_time_format<'de, D>(deserializer: D) -> Result<AppTimeFormat, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    let s = String::deserialize(deserializer)?;
+    match s.as_str() {
+        // Hidden is deprecated - use `default` value instead
+        "Hidden" => Ok(AppTimeFormat::default()),
+        _ => s.parse().map_err(serde::de::Error::custom),
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct AppStorage {
     pub content: Content,
     pub show_menu: bool,
+    pub notification: Toggle,
+    pub blink: Toggle,
+    #[serde(deserialize_with = "deserialize_app_time_format")]
+    pub app_time_format: AppTimeFormat,
     pub style: Style,
     pub with_decis: bool,
     pub pomodoro_mode: PomodoroMode,
+    pub pomodoro_count: u64,
     // pomodoro -> work
     pub inital_value_work: Duration,
     pub current_value_work: Duration,
@@ -24,8 +41,11 @@ pub struct AppStorage {
     // countdown
     pub inital_value_countdown: Duration,
     pub current_value_countdown: Duration,
+    pub elapsed_value_countdown: Duration,
     // timer
     pub current_value_timer: Duration,
+    // footer
+    pub footer_app_time: Toggle,
 }
 
 impl Default for AppStorage {
@@ -36,9 +56,13 @@ impl Default for AppStorage {
         AppStorage {
             content: Content::default(),
             show_menu: true,
+            notification: Toggle::Off,
+            blink: Toggle::Off,
+            app_time_format: AppTimeFormat::default(),
             style: Style::default(),
             with_decis: false,
             pomodoro_mode: PomodoroMode::Work,
+            pomodoro_count: 1,
             // pomodoro -> work
             inital_value_work: DEFAULT_WORK,
             current_value_work: DEFAULT_WORK,
@@ -48,8 +72,11 @@ impl Default for AppStorage {
             // countdown
             inital_value_countdown: DEFAULT_COUNTDOWN,
             current_value_countdown: DEFAULT_COUNTDOWN,
+            elapsed_value_countdown: Duration::ZERO,
             // timer
             current_value_timer: Duration::ZERO,
+            // footer
+            footer_app_time: Toggle::Off,
         }
     }
 }

src/terminal.rs

@@ -5,13 +5,14 @@ use crossterm::{
     cursor, execute,
     terminal::{EnterAlternateScreen, LeaveAlternateScreen},
 };
-use ratatui::{backend::CrosstermBackend, Terminal as RatatuiTerminal};
+use ratatui::{Terminal as RatatuiTerminal, backend::CrosstermBackend};
 
 pub type Terminal = RatatuiTerminal<CrosstermBackend<io::Stdout>>;
 
 pub fn setup() -> Result<Terminal> {
     let mut stdout = std::io::stdout();
     crossterm::terminal::enable_raw_mode()?;
+    set_panic_hook();
     execute!(stdout, EnterAlternateScreen, cursor::Hide)?;
     let mut terminal = RatatuiTerminal::new(CrosstermBackend::new(stdout))?;
     terminal.clear()?;
@@ -24,3 +25,13 @@ pub fn teardown() -> Result<()> {
     crossterm::terminal::disable_raw_mode()?;
     Ok(())
 }
+
+// Panic hook
+// see https://ratatui.rs/tutorials/counter-app/error-handling/#setup-hooks
+fn set_panic_hook() {
+    let hook = std::panic::take_hook();
+    std::panic::set_hook(Box::new(move |panic_info| {
+        let _ = teardown(); // ignore any errors as we are already failing
+        hook(panic_info);
+    }));
+}

src/widgets.rs

@@ -5,8 +5,10 @@ pub mod clock_elements_test;
 #[cfg(test)]
 pub mod clock_test;
 pub mod countdown;
+pub mod edit_time;
 pub mod footer;
 pub mod header;
+pub mod local_time;
 pub mod pomodoro;
 pub mod progressbar;
 pub mod timer;

src/widgets/clock.rs

@@ -10,21 +10,15 @@ use ratatui::{
 };
 
 use crate::{
-    common::Style,
-    duration::{
-        DurationEx, MINS_PER_HOUR, ONE_DECI_SECOND, ONE_HOUR, ONE_MINUTE, ONE_SECOND,
-        SECS_PER_MINUTE,
-    },
+    common::{ClockTypeId, Style},
+    duration::{DurationEx, MAX_DURATION, ONE_DECI_SECOND, ONE_HOUR, ONE_MINUTE, ONE_SECOND},
+    events::{AppEvent, AppEventTx},
     utils::center_horizontal,
     widgets::clock_elements::{
-        Colon, Digit, Dot, COLON_WIDTH, DIGIT_HEIGHT, DIGIT_WIDTH, DOT_WIDTH,
+        COLON_WIDTH, Colon, DIGIT_HEIGHT, DIGIT_SPACE_WIDTH, DIGIT_WIDTH, DOT_WIDTH, Digit, Dot,
     },
 };
 
-// max. 99:59:59
-const MAX_DURATION: Duration =
-    Duration::from_secs(100 * MINS_PER_HOUR * SECS_PER_MINUTE).saturating_sub(ONE_SECOND);
-
 #[derive(Debug, Copy, Clone, Display, PartialEq, Eq)]
 pub enum Time {
     Decis,
@@ -72,27 +66,71 @@ pub enum Format {
     HhMmSs,
 }
 
-#[derive(Debug, Clone)]
-pub struct Clock<T> {
+const RANGE_OF_DONE_COUNT: u64 = 4;
+const MAX_DONE_COUNT: u64 = RANGE_OF_DONE_COUNT * 5;
+
+pub struct ClockState<T> {
+    type_id: ClockTypeId,
+    name: Option<String>,
     initial_value: DurationEx,
     current_value: DurationEx,
+    prev_value: DurationEx,
     tick_value: DurationEx,
     mode: Mode,
     format: Format,
-    pub style: Style,
     pub with_decis: bool,
+    app_tx: Option<AppEventTx>,
+    /// Tick counter starting whenever `Mode::DONE` has been reached.
+    /// Initial value is set in `done()`.
+    /// Updates happened in `update_done_count`
+    /// Default value: `None`
+    done_count: Option<u64>,
     phantom: PhantomData<T>,
 }
 
-pub struct ClockArgs {
+pub struct ClockStateArgs {
     pub initial_value: Duration,
     pub current_value: Duration,
     pub tick_value: Duration,
-    pub style: Style,
     pub with_decis: bool,
+    pub app_tx: Option<AppEventTx>,
 }
 
-impl<T> Clock<T> {
+impl<T> ClockState<T> {
+    pub fn with_name(mut self, name: String) -> Self {
+        self.name = Some(name);
+        self
+    }
+
+    pub fn get_name(&self) -> String {
+        self.name.clone().unwrap_or_default()
+    }
+
+    pub fn get_type_id(&self) -> &ClockTypeId {
+        &self.type_id
+    }
+
+    pub fn with_mode(mut self, mode: Mode) -> Self {
+        self.mode = mode;
+        self
+    }
+
+    pub fn get_mode(&self) -> &Mode {
+        &self.mode
+    }
+
+    pub fn is_initial(&self) -> bool {
+        self.mode == Mode::Initial
+    }
+
+    pub fn run(&mut self) {
+        self.mode = Mode::Tick
+    }
+
+    pub fn is_running(&self) -> bool {
+        self.mode == Mode::Tick
+    }
+
     pub fn toggle_pause(&mut self) {
         self.mode = if self.mode == Mode::Tick {
             Mode::Pause
@@ -105,18 +143,31 @@ impl<T> Clock<T> {
         &self.initial_value
     }
 
+    pub fn set_initial_value(&mut self, duration: DurationEx) {
+        self.initial_value = duration;
+    }
+
     pub fn get_current_value(&self) -> &DurationEx {
         &self.current_value
     }
 
+    pub fn set_current_value(&mut self, duration: DurationEx) {
+        self.current_value = duration;
+        self.update_format();
+    }
+
+    pub fn get_prev_value(&self) -> &DurationEx {
+        &self.prev_value
+    }
+
     pub fn toggle_edit(&mut self) {
         self.mode = match self.mode.clone() {
             Mode::Editable(_, prev) => {
                 let p = *prev;
-                // special cases: Should `Mode` be updated?
-                // 1. `Done` -> `Initial` ?
+                // Update `Mode`
+                // 1. `Done` -> `Pause`
                 if p == Mode::Done && self.current_value.gt(&Duration::ZERO.into()) {
-                    Mode::Initial
+                    Mode::Pause
                 }
                 // 2. `_` -> `Done` ?
                 else if p != Mode::Done && self.current_value.eq(&Duration::ZERO.into()) {
@@ -128,6 +179,8 @@ impl<T> Clock<T> {
                 }
             }
             mode => {
+                // store prev. value
+                self.prev_value = self.current_value;
                 if self.format <= Format::Ss {
                     Mode::Editable(Time::Seconds, Box::new(mode))
                 } else {
@@ -187,6 +240,7 @@ impl<T> Clock<T> {
         };
         self.update_format();
     }
+
     pub fn edit_current_down(&mut self) {
         self.current_value = match self.mode {
             Mode::Editable(Time::Decis, _) => {
@@ -205,14 +259,6 @@ impl<T> Clock<T> {
         self.update_mode();
     }
 
-    pub fn get_mode(&self) -> &Mode {
-        &self.mode
-    }
-
-    pub fn is_running(&self) -> bool {
-        self.mode == Mode::Tick
-    }
-
     pub fn is_edit_mode(&self) -> bool {
         matches!(self.mode, Mode::Editable(_, _))
     }
@@ -300,6 +346,18 @@ impl<T> Clock<T> {
         self.mode == Mode::Done
     }
 
+    fn done(&mut self) {
+        if !self.is_done() {
+            self.mode = Mode::Done;
+            let type_id = self.get_type_id().clone();
+            let name = self.get_name();
+            if let Some(tx) = &self.app_tx {
+                _ = tx.send(AppEvent::ClockDone(type_id, name));
+            };
+            self.done_count = Some(MAX_DONE_COUNT);
+        }
+    }
+
     fn update_format(&mut self) {
         self.format = self.get_format();
     }
@@ -319,23 +377,43 @@ impl<T> Clock<T> {
             Format::S
         }
     }
+
+    /// Updates inner value of `done_count`.
+    /// It should be called whenever `TuiEvent::Tick` is handled.
+    /// At first glance it might happen in `Clock::tick`, but sometimes
+    /// `tick` won't be called again after `Mode::Done` event (e.g. in `widget::Countdown`).
+    /// That's why `update_done_count` is called from "outside".
+    pub fn update_done_count(&mut self) {
+        if let Some(count) = self.done_count {
+            if count > 0 {
+                let value = count - 1;
+                self.done_count = Some(value)
+            } else {
+                // None means we are done and no counting anymore.
+                self.done_count = None
+            }
+        }
+    }
 }
 
 #[derive(Debug, Clone)]
 pub struct Countdown {}
 
-impl Clock<Countdown> {
-    pub fn new(args: ClockArgs) -> Self {
-        let ClockArgs {
+impl ClockState<Countdown> {
+    pub fn new(args: ClockStateArgs) -> Self {
+        let ClockStateArgs {
             initial_value,
             current_value,
             tick_value,
-            style,
             with_decis,
+            app_tx,
         } = args;
         let mut instance = Self {
+            type_id: ClockTypeId::Countdown,
+            name: None,
             initial_value: initial_value.into(),
             current_value: current_value.into(),
+            prev_value: current_value.into(),
             tick_value: tick_value.into(),
             mode: if current_value == Duration::ZERO {
                 Mode::Done
@@ -345,8 +423,9 @@ impl Clock<Countdown> {
                 Mode::Pause
             },
             format: Format::S,
-            style,
             with_decis,
+            app_tx,
+            done_count: None,
             phantom: PhantomData,
         };
         // update format once
@@ -357,14 +436,14 @@ impl Clock<Countdown> {
     pub fn tick(&mut self) {
         if self.mode == Mode::Tick {
             self.current_value = self.current_value.saturating_sub(self.tick_value);
-            self.set_done();
+            self.check_done();
             self.update_format();
         }
     }
 
-    fn set_done(&mut self) {
+    fn check_done(&mut self) {
         if self.current_value.eq(&Duration::ZERO.into()) {
-            self.mode = Mode::Done;
+            self.done();
         }
     }
 
@@ -394,18 +473,21 @@ impl Clock<Countdown> {
 #[derive(Debug, Clone)]
 pub struct Timer {}
 
-impl Clock<Timer> {
-    pub fn new(args: ClockArgs) -> Self {
-        let ClockArgs {
+impl ClockState<Timer> {
+    pub fn new(args: ClockStateArgs) -> Self {
+        let ClockStateArgs {
             initial_value,
             current_value,
             tick_value,
-            style,
             with_decis,
+            app_tx,
         } = args;
         let mut instance = Self {
+            type_id: ClockTypeId::Timer,
+            name: None,
             initial_value: initial_value.into(),
             current_value: current_value.into(),
+            prev_value: current_value.into(),
             tick_value: tick_value.into(),
             mode: if current_value == initial_value {
                 Mode::Initial
@@ -415,9 +497,10 @@ impl Clock<Timer> {
                 Mode::Pause
             },
             format: Format::S,
-            phantom: PhantomData,
-            style,
             with_decis,
+            app_tx,
+            done_count: None,
+            phantom: PhantomData,
         };
         // update format once
         instance.update_format();
@@ -427,14 +510,14 @@ impl Clock<Timer> {
     pub fn tick(&mut self) {
         if self.mode == Mode::Tick {
             self.current_value = self.current_value.saturating_add(self.tick_value);
-            self.set_done();
+            self.check_done();
             self.update_format();
         }
     }
 
-    fn set_done(&mut self) {
+    fn check_done(&mut self) {
         if self.current_value.ge(&MAX_DURATION.into()) {
-            self.mode = Mode::Done;
+            self.done();
         }
     }
 
@@ -455,12 +538,12 @@ impl Clock<Timer> {
     }
 }
 
-const SPACE_WIDTH: u16 = 1;
-
 pub struct ClockWidget<T>
 where
     T: std::fmt::Debug,
 {
+    style: Style,
+    blink: bool,
     phantom: PhantomData<T>,
 }
 
@@ -468,8 +551,10 @@ impl<T> ClockWidget<T>
 where
     T: std::fmt::Debug,
 {
-    pub fn new() -> Self {
+    pub fn new(style: Style, blink: bool) -> Self {
         Self {
+            style,
+            blink,
             phantom: PhantomData,
         }
     }
@@ -488,61 +573,61 @@ where
         match format {
             Format::HhMmSs => add_decis(
                 vec![
-                    DIGIT_WIDTH, // h
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // h
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // m
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // m
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // s
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // s
+                    DIGIT_WIDTH,       // h
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // h
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // m
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // m
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // s
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // s
                 ],
                 with_decis,
             ),
             Format::HMmSs => add_decis(
                 vec![
-                    DIGIT_WIDTH, // h
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // m
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // m
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // s
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // s
+                    DIGIT_WIDTH,       // h
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // m
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // m
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // s
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // s
                 ],
                 with_decis,
             ),
             Format::MmSs => add_decis(
                 vec![
-                    DIGIT_WIDTH, // m
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // m
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // s
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // s
+                    DIGIT_WIDTH,       // m
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // m
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // s
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // s
                 ],
                 with_decis,
             ),
             Format::MSs => add_decis(
                 vec![
-                    DIGIT_WIDTH, // m
-                    COLON_WIDTH, // :
-                    DIGIT_WIDTH, // s
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // s
+                    DIGIT_WIDTH,       // m
+                    COLON_WIDTH,       // :
+                    DIGIT_WIDTH,       // s
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // s
                 ],
                 with_decis,
             ),
             Format::Ss => add_decis(
                 vec![
-                    DIGIT_WIDTH, // s
-                    SPACE_WIDTH, // (space)
-                    DIGIT_WIDTH, // s
+                    DIGIT_WIDTH,       // s
+                    DIGIT_SPACE_WIDTH, // (space)
+                    DIGIT_WIDTH,       // s
                 ],
                 with_decis,
             ),
@@ -562,18 +647,35 @@ where
     pub fn get_height(&self) -> u16 {
         DIGIT_HEIGHT
     }
+
+    /// Checks whether to blink the clock while rendering.
+    /// Its logic is based on a given `count` value.
+    fn should_blink(&self, count_value: &Option<u64>) -> bool {
+        // Example:
+        // if `RANGE_OF_DONE_COUNT` is 4
+        // then for ranges `0..4`, `8..12` etc. it will return `true`
+        count_value
+            .map(|b| (b % (RANGE_OF_DONE_COUNT * 2)) < RANGE_OF_DONE_COUNT)
+            .unwrap_or(false)
+    }
 }
 
 impl<T> StatefulWidget for ClockWidget<T>
 where
     T: std::fmt::Debug,
 {
-    type State = Clock<T>;
+    type State = ClockState<T>;
 
     fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
         let with_decis = state.with_decis;
         let format = state.format;
-        let symbol = state.style.get_digit_symbol();
+        // to simulate a blink effect, just use an "empty" symbol (string)
+        // to "empty" all digits and to have an "empty" render area
+        let symbol = if self.blink && self.should_blink(&state.done_count) {
+            " "
+        } else {
+            self.style.get_digit_symbol()
+        };
         let widths = self.get_horizontal_lengths(&format, with_decis);
         let area = center_horizontal(
             area,

src/widgets/clock_elements.rs

@@ -9,6 +9,7 @@ pub const DIGIT_WIDTH: u16 = DIGIT_SIZE as u16;
 pub const DIGIT_HEIGHT: u16 = DIGIT_SIZE as u16 + 1 /* border height */;
 pub const COLON_WIDTH: u16 = 4; // incl. padding left + padding right
 pub const DOT_WIDTH: u16 = 4; // incl. padding left + padding right
+pub const DIGIT_SPACE_WIDTH: u16 = 1; // space between digits
 
 #[rustfmt::skip]
 const DIGIT_0: [u8; DIGIT_SIZE * DIGIT_SIZE] = [

src/widgets/clock_test.rs

@@ -1,37 +1,33 @@
 use crate::{
-    common::Style,
+    common::ClockTypeId,
     duration::{ONE_DECI_SECOND, ONE_HOUR, ONE_MINUTE, ONE_SECOND},
     widgets::clock::*,
 };
 use std::time::Duration;
 
-#[test]
-fn test_toggle_edit() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+fn default_args() -> ClockStateArgs {
+    ClockStateArgs {
         initial_value: ONE_HOUR,
         current_value: ONE_HOUR,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: true,
-    });
-    // off by default
-    assert!(!c.is_edit_mode());
-    // toggle on
-    c.toggle_edit();
-    assert!(c.is_edit_mode());
-    // toggle off
-    c.toggle_edit();
-    assert!(!c.is_edit_mode());
+        with_decis: false,
+        app_tx: None,
+    }
+}
+
+#[test]
+fn test_type_id() {
+    let c = ClockState::<Timer>::new(default_args());
+    assert!(matches!(c.get_type_id(), ClockTypeId::Timer));
+    let c = ClockState::<Countdown>::new(default_args());
+    assert!(matches!(c.get_type_id(), ClockTypeId::Countdown));
 }
 
 #[test]
 fn test_default_edit_mode_hhmmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
-        initial_value: ONE_HOUR,
-        current_value: ONE_HOUR,
-        tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         with_decis: true,
+        ..default_args()
     });
 
     // toggle on
@@ -41,12 +37,12 @@ fn test_default_edit_mode_hhmmss() {
 
 #[test]
 fn test_default_edit_mode_mmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_MINUTE,
         current_value: ONE_MINUTE,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
     // toggle on
     c.toggle_edit();
@@ -55,12 +51,12 @@ fn test_default_edit_mode_mmss() {
 
 #[test]
 fn test_default_edit_mode_ss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_SECOND,
         current_value: ONE_SECOND,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
     // toggle on
     c.toggle_edit();
@@ -69,12 +65,12 @@ fn test_default_edit_mode_ss() {
 
 #[test]
 fn test_edit_next_hhmmssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_HOUR,
         current_value: ONE_HOUR,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -91,12 +87,12 @@ fn test_edit_next_hhmmssd() {
 
 #[test]
 fn test_edit_next_hhmmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_HOUR,
         current_value: ONE_HOUR,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -111,12 +107,12 @@ fn test_edit_next_hhmmss() {
 
 #[test]
 fn test_edit_next_mmssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_MINUTE,
         current_value: ONE_MINUTE,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -131,12 +127,12 @@ fn test_edit_next_mmssd() {
 
 #[test]
 fn test_edit_next_mmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_MINUTE,
         current_value: ONE_MINUTE,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -149,12 +145,12 @@ fn test_edit_next_mmss() {
 
 #[test]
 fn test_edit_next_ssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_SECOND * 3,
         current_value: ONE_SECOND * 3,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -165,12 +161,12 @@ fn test_edit_next_ssd() {
 
 #[test]
 fn test_edit_next_ss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_SECOND * 3,
         current_value: ONE_SECOND * 3,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -182,12 +178,12 @@ fn test_edit_next_ss() {
 
 #[test]
 fn test_edit_prev_hhmmssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_HOUR,
         current_value: ONE_HOUR,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -203,12 +199,12 @@ fn test_edit_prev_hhmmssd() {
 
 #[test]
 fn test_edit_prev_hhmmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_HOUR,
         current_value: ONE_HOUR,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -222,12 +218,12 @@ fn test_edit_prev_hhmmss() {
 
 #[test]
 fn test_edit_prev_mmssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_MINUTE,
         current_value: ONE_MINUTE,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -243,12 +239,12 @@ fn test_edit_prev_mmssd() {
 
 #[test]
 fn test_edit_prev_mmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_MINUTE,
         current_value: ONE_MINUTE,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -262,12 +258,12 @@ fn test_edit_prev_mmss() {
 
 #[test]
 fn test_edit_prev_ssd() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_SECOND,
         current_value: ONE_SECOND,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -281,12 +277,12 @@ fn test_edit_prev_ssd() {
 
 #[test]
 fn test_edit_prev_ss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: ONE_SECOND,
         current_value: ONE_SECOND,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
         with_decis: false,
+        app_tx: None,
     });
 
     // toggle on
@@ -298,12 +294,12 @@ fn test_edit_prev_ss() {
 
 #[test]
 fn test_edit_up_ss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: Duration::ZERO,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -315,12 +311,12 @@ fn test_edit_up_ss() {
 
 #[test]
 fn test_edit_up_mmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: Duration::from_secs(60),
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -335,12 +331,12 @@ fn test_edit_up_mmss() {
 
 #[test]
 fn test_edit_up_hhmmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: Duration::from_secs(3600),
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -357,12 +353,12 @@ fn test_edit_up_hhmmss() {
 
 #[test]
 fn test_edit_down_ss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: ONE_SECOND,
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -378,12 +374,12 @@ fn test_edit_down_ss() {
 
 #[test]
 fn test_edit_down_mmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: Duration::from_secs(120),
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on
@@ -401,12 +397,12 @@ fn test_edit_down_mmss() {
 
 #[test]
 fn test_edit_down_hhmmss() {
-    let mut c = Clock::<Timer>::new(ClockArgs {
+    let mut c = ClockState::<Timer>::new(ClockStateArgs {
         initial_value: Duration::ZERO,
         current_value: Duration::from_secs(3600),
         tick_value: ONE_DECI_SECOND,
-        style: Style::default(),
-        with_decis: false,
+        with_decis: true,
+        app_tx: None,
     });
 
     // toggle on

src/widgets/countdown.rs

@@ -1,3 +1,15 @@
+use crate::{
+    common::{AppTime, Style},
+    constants::TICK_VALUE_MS,
+    duration::{DurationEx, MAX_DURATION},
+    events::{AppEventTx, TuiEvent, TuiEventHandler},
+    utils::center,
+    widgets::{
+        clock::{self, ClockState, ClockStateArgs, ClockWidget, Mode as ClockMode},
+        edit_time::{EditTimeState, EditTimeStateArgs, EditTimeWidget},
+    },
+};
+use crossterm::event::KeyModifiers;
 use ratatui::{
     buffer::Buffer,
     crossterm::event::KeyCode,
@@ -5,98 +17,374 @@ use ratatui::{
     text::Line,
     widgets::{StatefulWidget, Widget},
 };
-use std::cmp::max;
+use std::ops::Sub;
+use std::{cmp::max, time::Duration};
+use time::OffsetDateTime;
 
-use crate::{
-    common::Style,
-    events::{Event, EventHandler},
-    utils::center,
-    widgets::clock::{self, Clock, ClockWidget},
-};
-
-#[derive(Debug, Clone)]
-pub struct Countdown {
-    clock: Clock<clock::Countdown>,
+pub struct CountdownStateArgs {
+    pub initial_value: Duration,
+    pub current_value: Duration,
+    pub elapsed_value: Duration,
+    pub app_time: AppTime,
+    pub with_decis: bool,
+    pub app_tx: AppEventTx,
 }
 
-impl Countdown {
-    pub const fn new(clock: Clock<clock::Countdown>) -> Self {
-        Self { clock }
-    }
+/// State for Countdown Widget
+pub struct CountdownState {
+    /// clock to count down
+    clock: ClockState<clock::Countdown>,
+    /// clock to count time after `DONE` - similar to Mission Elapsed Time (MET)
+    elapsed_clock: ClockState<clock::Timer>,
+    app_time: AppTime,
+    /// Edit by local time
+    edit_time: Option<EditTimeState>,
+}
 
-    pub fn set_style(&mut self, style: Style) {
-        self.clock.style = style;
+impl CountdownState {
+    pub fn new(args: CountdownStateArgs) -> Self {
+        let CountdownStateArgs {
+            initial_value,
+            current_value,
+            elapsed_value,
+            with_decis,
+            app_time,
+            app_tx,
+        } = args;
+
+        Self {
+            clock: ClockState::<clock::Countdown>::new(ClockStateArgs {
+                initial_value,
+                current_value,
+                tick_value: Duration::from_millis(TICK_VALUE_MS),
+                with_decis,
+                app_tx: Some(app_tx.clone()),
+            }),
+            elapsed_clock: ClockState::<clock::Timer>::new(ClockStateArgs {
+                initial_value: Duration::ZERO,
+                current_value: elapsed_value,
+                tick_value: Duration::from_millis(TICK_VALUE_MS),
+                with_decis: false,
+                app_tx: None,
+            })
+            .with_name("MET".to_owned())
+            // A previous `elapsed_value > 0` means the `Clock` was running before,
+            // but not in `Initial` state anymore. Updating `Mode` here
+            // is needed to handle `Event::Tick` in `EventHandler::update` properly
+            .with_mode(if elapsed_value.gt(&Duration::ZERO) {
+                ClockMode::Pause
+            } else {
+                ClockMode::Initial
+            }),
+            app_time,
+            edit_time: None,
+        }
     }
 
     pub fn set_with_decis(&mut self, with_decis: bool) {
         self.clock.with_decis = with_decis;
+        self.elapsed_clock.with_decis = with_decis;
     }
 
-    pub fn get_clock(&self) -> &Clock<clock::Countdown> {
+    pub fn get_clock(&self) -> &ClockState<clock::Countdown> {
         &self.clock
     }
+
+    pub fn is_running(&self) -> bool {
+        self.clock.is_running() || self.elapsed_clock.is_running()
+    }
+
+    pub fn get_elapsed_value(&self) -> &DurationEx {
+        self.elapsed_clock.get_current_value()
+    }
+
+    pub fn set_app_time(&mut self, app_time: AppTime) {
+        self.app_time = app_time;
+    }
+
+    fn time_to_edit(&self) -> OffsetDateTime {
+        // get current value
+        let d: Duration = (*self.clock.get_current_value()).into();
+        // transform
+        let dd = time::Duration::try_from(d).unwrap_or(time::Duration::ZERO);
+        // substract from `app_time`
+        OffsetDateTime::from(self.app_time).saturating_add(dd)
+    }
+
+    pub fn min_time_to_edit(&self) -> OffsetDateTime {
+        OffsetDateTime::from(self.app_time)
+    }
+
+    fn max_time_to_edit(&self) -> OffsetDateTime {
+        OffsetDateTime::from(self.app_time)
+            .saturating_add(time::Duration::try_from(MAX_DURATION).unwrap_or(time::Duration::ZERO))
+    }
+
+    fn edit_time_done(&mut self, edit_time: &mut EditTimeState) {
+        // get diff
+        let d: time::Duration = edit_time
+            .get_time()
+            .sub(OffsetDateTime::from(self.app_time));
+        // transfrom
+        let dx: DurationEx = Duration::try_from(d).unwrap_or(Duration::ZERO).into();
+        // update clock
+        self.clock.set_current_value(dx);
+        // remove `edit_time`
+        self.edit_time = None;
+    }
+
+    pub fn is_clock_edit_mode(&self) -> bool {
+        self.clock.is_edit_mode()
+    }
+
+    pub fn is_time_edit_mode(&self) -> bool {
+        self.edit_time.is_some()
+    }
 }
 
-impl EventHandler for Countdown {
-    fn update(&mut self, event: Event) -> Option<Event> {
-        let edit_mode = self.clock.is_edit_mode();
+impl TuiEventHandler for CountdownState {
+    fn update(&mut self, event: TuiEvent) -> Option<TuiEvent> {
         match event {
-            Event::Tick => {
-                self.clock.tick();
-            }
-            Event::Key(key) if key.code == KeyCode::Char('r') => {
-                self.clock.reset();
-            }
-            Event::Key(key) => match key.code {
-                KeyCode::Char('r') => {
-                    self.clock.reset();
+            TuiEvent::Tick => {
+                if !self.clock.is_done() {
+                    self.clock.tick();
+                } else {
+                    self.clock.update_done_count();
+                    self.elapsed_clock.tick();
+                    if self.elapsed_clock.is_initial() {
+                        self.elapsed_clock.run();
+                    }
                 }
-                KeyCode::Char('s') => {
-                    self.clock.toggle_pause();
+                let min_time = self.min_time_to_edit();
+                let max_time = self.max_time_to_edit();
+                if let Some(edit_time) = &mut self.edit_time {
+                    edit_time.set_min_time(min_time);
+                    edit_time.set_max_time(max_time);
                 }
-                KeyCode::Char('e') => {
+            }
+            // EDIT CLOCK mode
+            TuiEvent::Key(key) if self.is_clock_edit_mode() => match key.code {
+                // skip editing
+                KeyCode::Esc => {
+                    // Important: set current value first
+                    self.clock.set_current_value(*self.clock.get_prev_value());
+                    // before toggling back to non-edit mode
                     self.clock.toggle_edit();
                 }
-                KeyCode::Left if edit_mode => {
-                    self.clock.edit_next();
+                // Apply changes and set new initial value
+                KeyCode::Char('s') if key.modifiers.contains(KeyModifiers::CONTROL) => {
+                    // toggle edit mode
+                    self.clock.toggle_edit();
+                    // set initial value
+                    self.clock
+                        .set_initial_value(*self.clock.get_current_value());
+                    // always reset `elapsed_clock`
+                    self.elapsed_clock.reset();
                 }
-                KeyCode::Right if edit_mode => {
+                // Apply changes
+                KeyCode::Char('s') => {
+                    // toggle edit mode
+                    self.clock.toggle_edit();
+                    // always reset `elapsed_clock`
+                    self.elapsed_clock.reset();
+                }
+                KeyCode::Right => {
                     self.clock.edit_prev();
                 }
-                KeyCode::Up if edit_mode => {
+                KeyCode::Left => {
+                    self.clock.edit_next();
+                }
+                KeyCode::Up => {
                     self.clock.edit_up();
                 }
-                KeyCode::Down if edit_mode => {
+                KeyCode::Down => {
                     self.clock.edit_down();
                 }
                 _ => return Some(event),
             },
+            // EDIT LOCAL TIME mode
+            TuiEvent::Key(key) if self.is_time_edit_mode() => match key.code {
+                // skip editing
+                KeyCode::Esc => {
+                    self.edit_time = None;
+                }
+                // Apply changes and set new initial value
+                KeyCode::Char('s') if key.modifiers.contains(KeyModifiers::CONTROL) => {
+                    if let Some(edit_time) = &mut self.edit_time.clone() {
+                        // Order matters:
+                        // 1. update current value
+                        self.edit_time_done(edit_time);
+                        // 2. set initial value
+                        self.clock
+                            .set_initial_value(*self.clock.get_current_value());
+                    }
+                    // always reset `elapsed_clock`
+                    self.elapsed_clock.reset();
+                }
+                // Apply changes of editing by local time
+                KeyCode::Char('s') => {
+                    if let Some(edit_time) = &mut self.edit_time.clone() {
+                        self.edit_time_done(edit_time)
+                    }
+                    // always reset `elapsed_clock`
+                    self.elapsed_clock.reset();
+                }
+                // move edit position to the left
+                KeyCode::Left => {
+                    // safe unwrap because we are in `is_time_edit_mode`
+                    self.edit_time.as_mut().unwrap().next();
+                }
+                // move edit position to the right
+                KeyCode::Right => {
+                    // safe unwrap because we are in `is_time_edit_mode`
+                    self.edit_time.as_mut().unwrap().prev();
+                }
+                // Value up
+                KeyCode::Up => {
+                    // safe unwrap because of previous check in `is_time_edit_mode`
+                    self.edit_time.as_mut().unwrap().up();
+                }
+                // Value down
+                KeyCode::Down => {
+                    // safe unwrap because of previous check in `is_time_edit_mode`
+                    self.edit_time.as_mut().unwrap().down();
+                }
+                _ => return Some(event),
+            },
+            // default mode
+            TuiEvent::Key(key) => match key.code {
+                KeyCode::Char('r') => {
+                    // reset both clocks to use intial values
+                    self.clock.reset();
+                    self.elapsed_clock.reset();
+
+                    // reset `edit_time` back initial value
+                    let time = self.time_to_edit();
+                    if let Some(edit_time) = &mut self.edit_time {
+                        edit_time.set_time(time);
+                    }
+                }
+                KeyCode::Char('s') => {
+                    // toggle pause status depending on which clock is running
+                    if !self.clock.is_done() {
+                        self.clock.toggle_pause();
+                    } else {
+                        self.elapsed_clock.toggle_pause();
+                    }
+
+                    // finish `edit_time` and continue for using `clock`
+                    if let Some(edit_time) = &mut self.edit_time.clone() {
+                        self.edit_time_done(edit_time);
+                    }
+                }
+                // Enter edit by local time mode
+                KeyCode::Char('e') if key.modifiers.contains(KeyModifiers::CONTROL) => {
+                    // set `edit_time`
+                    self.edit_time = Some(EditTimeState::new(EditTimeStateArgs {
+                        time: self.time_to_edit(),
+                        min: self.min_time_to_edit(),
+                        max: self.max_time_to_edit(),
+                    }));
+
+                    // pause `elapsed_clock`
+                    if self.elapsed_clock.is_running() {
+                        self.elapsed_clock.toggle_pause();
+                    }
+                }
+                // Enter edit clock mode
+                KeyCode::Char('e') => {
+                    // toggle edit mode
+                    self.clock.toggle_edit();
+
+                    // pause `elapsed_clock`
+                    if self.elapsed_clock.is_running() {
+                        self.elapsed_clock.toggle_pause();
+                    }
+                }
+                _ => return Some(event),
+            },
             _ => return Some(event),
         }
         None
     }
 }
 
-pub struct CountdownWidget;
+pub struct Countdown {
+    pub style: Style,
+    pub blink: bool,
+}
 
-impl StatefulWidget for CountdownWidget {
-    type State = Countdown;
-    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
-        let clock = ClockWidget::new();
-        let label = Line::raw((format!("Countdown {}", state.clock.get_mode())).to_uppercase());
-
-        let area = center(
-            area,
-            Constraint::Length(max(
-                clock.get_width(&state.clock.get_format(), state.clock.with_decis),
-                label.width() as u16,
-            )),
-            Constraint::Length(clock.get_height() + 1 /* height of label */),
-        );
-        let [v1, v2] =
-            Layout::vertical(Constraint::from_lengths([clock.get_height(), 1])).areas(area);
-
-        clock.render(v1, buf, &mut state.clock);
-        label.centered().render(v2, buf);
+fn human_days_diff(a: &OffsetDateTime, b: &OffsetDateTime) -> String {
+    let days_diff = (a.date() - b.date()).whole_days();
+    match days_diff {
+        0 => "today".to_owned(),
+        1 => "tomorrow".to_owned(),
+        n => format!("+{n}days"),
+    }
+}
+
+impl StatefulWidget for Countdown {
+    type State = CountdownState;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        // render `edit_time` OR `clock`
+        if let Some(edit_time) = &mut state.edit_time {
+            let label = Line::raw(
+                format!(
+                    "Countdown {} {}",
+                    edit_time.get_selected().clone(),
+                    human_days_diff(edit_time.get_time(), &state.app_time.into())
+                )
+                .to_uppercase(),
+            );
+            let widget = EditTimeWidget::new(self.style);
+            let area = center(
+                area,
+                Constraint::Length(max(widget.get_width(), label.width() as u16)),
+                Constraint::Length(widget.get_height() + 1 /* height of label */),
+            );
+            let [v1, v2] =
+                Layout::vertical(Constraint::from_lengths([widget.get_height(), 1])).areas(area);
+
+            widget.render(v1, buf, edit_time);
+            label.centered().render(v2, buf);
+        } else {
+            let label = Line::raw(
+                if state.clock.is_done() {
+                    if state.clock.with_decis {
+                        format!(
+                            "Countdown {} +{}",
+                            state.clock.get_mode(),
+                            state
+                                .elapsed_clock
+                                .get_current_value()
+                                .to_string_with_decis()
+                        )
+                    } else {
+                        format!(
+                            "Countdown {} +{}",
+                            state.clock.get_mode(),
+                            state.elapsed_clock.get_current_value()
+                        )
+                    }
+                } else {
+                    format!("Countdown {}", state.clock.get_mode())
+                }
+                .to_uppercase(),
+            );
+            let widget = ClockWidget::new(self.style, self.blink);
+            let area = center(
+                area,
+                Constraint::Length(max(
+                    widget.get_width(&state.clock.get_format(), state.clock.with_decis),
+                    label.width() as u16,
+                )),
+                Constraint::Length(widget.get_height() + 1 /* height of label */),
+            );
+            let [v1, v2] =
+                Layout::vertical(Constraint::from_lengths([widget.get_height(), 1])).areas(area);
+
+            widget.render(v1, buf, &mut state.clock);
+            label.centered().render(v2, buf);
+        }
     }
 }

src/widgets/edit_time.rs

@@ -0,0 +1,231 @@
+use std::fmt;
+use time::OffsetDateTime;
+
+use ratatui::{
+    buffer::Buffer,
+    layout::{Constraint, Layout, Rect},
+    widgets::{StatefulWidget, Widget},
+};
+
+use crate::{
+    common::Style,
+    widgets::clock_elements::{COLON_WIDTH, Colon, DIGIT_SPACE_WIDTH, DIGIT_WIDTH, Digit},
+};
+
+use super::clock_elements::DIGIT_HEIGHT;
+
+#[derive(Debug, Clone)]
+pub enum Selected {
+    Seconds,
+    Minutes,
+    Hours,
+}
+
+impl Selected {
+    pub fn next(&self) -> Self {
+        match self {
+            Selected::Seconds => Selected::Minutes,
+            Selected::Minutes => Selected::Hours,
+            Selected::Hours => Selected::Seconds,
+        }
+    }
+
+    pub fn prev(&self) -> Self {
+        match self {
+            Selected::Seconds => Selected::Hours,
+            Selected::Minutes => Selected::Seconds,
+            Selected::Hours => Selected::Minutes,
+        }
+    }
+}
+
+impl fmt::Display for Selected {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Selected::Seconds => write!(f, "[edit seconds]"),
+            Selected::Minutes => write!(f, "[edit minutes]"),
+            Selected::Hours => write!(f, "[edit hours]"),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct EditTimeState {
+    selected: Selected,
+    time: OffsetDateTime,
+    min: OffsetDateTime,
+    max: OffsetDateTime,
+}
+
+#[derive(Debug, Clone)]
+pub struct EditTimeStateArgs {
+    pub time: OffsetDateTime,
+    pub min: OffsetDateTime,
+    pub max: OffsetDateTime,
+}
+
+impl EditTimeState {
+    pub fn new(args: EditTimeStateArgs) -> Self {
+        EditTimeState {
+            time: args.time,
+            min: args.min,
+            max: args.max,
+            selected: Selected::Minutes,
+        }
+    }
+
+    pub fn set_time(&mut self, time: OffsetDateTime) {
+        self.time = time;
+    }
+
+    pub fn set_min_time(&mut self, min: OffsetDateTime) {
+        self.min = min;
+    }
+
+    pub fn set_max_time(&mut self, min: OffsetDateTime) {
+        self.max = min;
+    }
+
+    pub fn get_time(&mut self) -> &OffsetDateTime {
+        &self.time
+    }
+
+    pub fn get_selected(&mut self) -> &Selected {
+        &self.selected
+    }
+
+    pub fn next(&mut self) {
+        self.selected = self.selected.next();
+    }
+
+    pub fn prev(&mut self) {
+        self.selected = self.selected.prev();
+    }
+
+    pub fn up(&mut self) {
+        self.time = match self.selected {
+            Selected::Seconds => {
+                if self
+                    .time
+                    .lt(&self.max.saturating_sub(time::Duration::new(1, 0)))
+                {
+                    self.time.saturating_add(time::Duration::new(1, 0))
+                } else {
+                    self.time
+                }
+            }
+            Selected::Minutes => {
+                if self
+                    .time
+                    .lt(&self.max.saturating_sub(time::Duration::new(60, 0)))
+                {
+                    self.time.saturating_add(time::Duration::new(60, 0))
+                } else {
+                    self.time
+                }
+            }
+            Selected::Hours => {
+                if self
+                    .time
+                    .lt(&self.max.saturating_sub(time::Duration::new(60 * 60, 0)))
+                {
+                    self.time.saturating_add(time::Duration::new(60 * 60, 0))
+                } else {
+                    self.time
+                }
+            }
+        }
+    }
+
+    pub fn down(&mut self) {
+        self.time = match self.selected {
+            Selected::Seconds => {
+                if self
+                    .time
+                    .ge(&self.min.saturating_add(time::Duration::new(1, 0)))
+                {
+                    self.time.saturating_sub(time::Duration::new(1, 0))
+                } else {
+                    self.time
+                }
+            }
+            Selected::Minutes => {
+                if self
+                    .time
+                    .ge(&self.min.saturating_add(time::Duration::new(60, 0)))
+                {
+                    self.time.saturating_sub(time::Duration::new(60, 0))
+                } else {
+                    self.time
+                }
+            }
+            Selected::Hours => {
+                if self
+                    .time
+                    .ge(&self.min.saturating_add(time::Duration::new(60 * 60, 0)))
+                {
+                    self.time.saturating_sub(time::Duration::new(60 * 60, 0))
+                } else {
+                    self.time
+                }
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct EditTimeWidget {
+    style: Style,
+}
+
+impl EditTimeWidget {
+    pub fn new(style: Style) -> Self {
+        Self { style }
+    }
+
+    fn get_horizontal_lengths(&self) -> Vec<u16> {
+        vec![
+            DIGIT_WIDTH,       // h
+            DIGIT_SPACE_WIDTH, // (space)
+            DIGIT_WIDTH,       // h
+            COLON_WIDTH,       // :
+            DIGIT_WIDTH,       // m
+            DIGIT_SPACE_WIDTH, // (space)
+            DIGIT_WIDTH,       // m
+            COLON_WIDTH,       // :
+            DIGIT_WIDTH,       // s
+            DIGIT_SPACE_WIDTH, // (space)
+            DIGIT_WIDTH,       // s
+        ]
+    }
+
+    pub fn get_width(&self) -> u16 {
+        self.get_horizontal_lengths().iter().sum()
+    }
+
+    pub fn get_height(&self) -> u16 {
+        DIGIT_HEIGHT
+    }
+}
+
+impl StatefulWidget for EditTimeWidget {
+    type State = EditTimeState;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        let symbol = self.style.get_digit_symbol();
+        let edit_hours = matches!(state.selected, Selected::Hours);
+        let edit_minutes = matches!(state.selected, Selected::Minutes);
+        let edit_secs = matches!(state.selected, Selected::Seconds);
+
+        let [hh, _, h, c_hm, mm, _, m, c_ms, ss, _, s] =
+            Layout::horizontal(Constraint::from_lengths(self.get_horizontal_lengths())).areas(area);
+
+        Digit::new((state.time.hour() as u64) / 10, edit_hours, symbol).render(hh, buf);
+        Digit::new((state.time.hour() as u64) % 10, edit_hours, symbol).render(h, buf);
+        Colon::new(symbol).render(c_hm, buf);
+        Digit::new((state.time.minute() as u64) / 10, edit_minutes, symbol).render(mm, buf);
+        Digit::new((state.time.minute() as u64) % 10, edit_minutes, symbol).render(m, buf);
+        Colon::new(symbol).render(c_ms, buf);
+        Digit::new((state.time.second() as u64) / 10, edit_secs, symbol).render(ss, buf);
+        Digit::new((state.time.second() as u64) % 10, edit_secs, symbol).render(s, buf);
+    }
+}

src/widgets/footer.rs

@@ -1,29 +1,62 @@
 use std::collections::BTreeMap;
 
-use crate::common::Content;
+use crate::common::{AppEditMode, AppTime, AppTimeFormat, Content};
 use ratatui::{
     buffer::Buffer,
     layout::{Constraint, Layout, Rect},
     style::{Modifier, Style},
     symbols::{border, scrollbar},
     text::{Line, Span},
-    widgets::{Block, Borders, Cell, Row, Table, Widget},
+    widgets::{Block, Borders, Cell, Row, StatefulWidget, Table, Widget},
 };
 
 #[derive(Debug, Clone)]
-pub struct Footer {
-    pub show_menu: bool,
-    pub running_clock: bool,
-    pub selected_content: Content,
-    pub edit_mode: bool,
+pub struct FooterState {
+    show_menu: bool,
+    app_time_format: Option<AppTimeFormat>,
 }
 
-impl Widget for Footer {
-    fn render(self, area: Rect, buf: &mut Buffer) {
+impl FooterState {
+    pub const fn new(show_menu: bool, app_time_format: Option<AppTimeFormat>) -> Self {
+        Self {
+            show_menu,
+            app_time_format,
+        }
+    }
+
+    pub fn set_show_menu(&mut self, value: bool) {
+        self.show_menu = value;
+    }
+
+    pub const fn get_show_menu(&self) -> bool {
+        self.show_menu
+    }
+
+    pub const fn app_time_format(&self) -> &Option<AppTimeFormat> {
+        &self.app_time_format
+    }
+
+    pub const fn set_app_time_format(&mut self, value: Option<AppTimeFormat>) {
+        self.app_time_format = value;
+    }
+}
+
+#[derive(Debug)]
+pub struct Footer {
+    pub running_clock: bool,
+    pub selected_content: Content,
+    pub app_edit_mode: AppEditMode,
+    pub app_time: AppTime,
+}
+
+impl StatefulWidget for Footer {
+    type State = FooterState;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
         let content_labels: BTreeMap<Content, &str> = BTreeMap::from([
             (Content::Countdown, "[c]ountdown"),
             (Content::Timer, "[t]imer"),
             (Content::Pomodoro, "[p]omodoro"),
+            (Content::LocalTime, "[l]ocal time"),
         ]);
 
         let [_, area] =
@@ -31,15 +64,26 @@ impl Widget for Footer {
 
         let [border_area, menu_area] =
             Layout::vertical([Constraint::Length(1), Constraint::Percentage(100)]).areas(area);
+
         Block::new()
             .borders(Borders::TOP)
             .title(
-                format! {"[m]enu {:} ", if self.show_menu {scrollbar::VERTICAL.end} else {scrollbar::VERTICAL.begin}},
+                format! {"[m]enu {:} ", if state.show_menu {scrollbar::VERTICAL.end} else {scrollbar::VERTICAL.begin}},
             )
+            .title(
+                Line::from(
+                    match (state.app_time_format, self.selected_content) {
+                        // Show time
+                        (Some(v), content) if content != Content::LocalTime => format!(" {} " // add some space around
+                            , self.app_time.format(&v)),
+                        // Hide time -> empty
+                        _ => "".into(),
+                    }
+                ).right_aligned())
             .border_set(border::PLAIN)
             .render(border_area, buf);
         // show menu
-        if self.show_menu {
+        if state.show_menu {
             let content_labels: Vec<Span> = content_labels
                 .iter()
                 .enumerate()
@@ -47,7 +91,7 @@ impl Widget for Footer {
                     let mut style = Style::default();
                     // Add space for all except last
                     let label = if index < content_labels.len() - 1 {
-                        format!("{}  ", label)
+                        format!("{label}  ")
                     } else {
                         label.to_string()
                     };
@@ -60,76 +104,137 @@ impl Widget for Footer {
 
             const SPACE: &str = "  "; // 2 empty spaces
             let widths = [Constraint::Length(12), Constraint::Percentage(100)];
-            Table::new(
-                [
-                    // content
-                    Row::new(vec![
-                        Cell::from(Span::styled(
-                            "screens",
-                            Style::default().add_modifier(Modifier::BOLD),
+            let mut table_rows = vec![
+                // screens
+                Row::new(vec![
+                    Cell::from(Span::styled(
+                        "screens",
+                        Style::default().add_modifier(Modifier::BOLD),
+                    )),
+                    Cell::from(Line::from(content_labels)),
+                ]),
+                // appearance
+                Row::new(vec![
+                    Cell::from(Span::styled(
+                        "appearance",
+                        Style::default().add_modifier(Modifier::BOLD),
+                    )),
+                    Cell::from(Line::from(vec![
+                        Span::from("[,]change style"),
+                        Span::from(SPACE),
+                        Span::from("[.]toggle deciseconds"),
+                        Span::from(SPACE),
+                        Span::from(format!(
+                            "[:]toggle {} time",
+                            match self.app_time {
+                                AppTime::Local(_) => "local",
+                                AppTime::Utc(_) => "utc",
+                            }
                         )),
-                        Cell::from(Line::from(content_labels)),
-                    ]),
-                    // format
-                    Row::new(vec![
-                        Cell::from(Span::styled(
-                            "appearance",
-                            Style::default().add_modifier(Modifier::BOLD),
-                        )),
-                        Cell::from(Line::from(vec![
-                            Span::from("[,]change style"),
-                            Span::from(SPACE),
-                            Span::from("[.]toggle deciseconds"),
-                        ])),
-                    ]),
-                    // edit
+                    ])),
+                ]),
+            ];
+
+            if self.selected_content != Content::LocalTime {
+                table_rows.extend_from_slice(&[
+                    // controls - 1. row
                     Row::new(vec![
                         Cell::from(Span::styled(
                             "controls",
                             Style::default().add_modifier(Modifier::BOLD),
                         )),
                         Cell::from(Line::from({
-                            if self.edit_mode {
-                                vec![
-                                    Span::from("[e]dit done"),
-                                    Span::from(SPACE),
-                                    Span::from(format!(
-                                        "[{} {}]edit selection",
-                                        scrollbar::HORIZONTAL.begin,
-                                        scrollbar::HORIZONTAL.end
-                                    )), // ← →,
-                                    Span::from(SPACE),
-                                    Span::from(format!("[{}]edit up", scrollbar::VERTICAL.begin)), // ↑
-                                    Span::from(SPACE),
-                                    Span::from(format!("[{}]edit up", scrollbar::VERTICAL.end)), // ↓,
-                                ]
-                            } else {
-                                let mut spans = vec![
-                                    Span::from(if self.running_clock {
+                            match self.app_edit_mode {
+                                AppEditMode::None => {
+                                    let mut spans = vec![Span::from(if self.running_clock {
                                         "[s]top"
                                     } else {
                                         "[s]tart"
-                                    }),
-                                    Span::from(SPACE),
-                                    Span::from("[r]eset"),
-                                    Span::from(SPACE),
-                                    Span::from("[e]dit"),
-                                ];
-                                if self.selected_content == Content::Pomodoro {
+                                    })];
                                     spans.extend_from_slice(&[
                                         Span::from(SPACE),
-                                        Span::from("[← →]switch work/pause"),
+                                        Span::from("[e]dit"),
                                     ]);
+                                    if self.selected_content == Content::Countdown {
+                                        spans.extend_from_slice(&[
+                                            Span::from(SPACE),
+                                            Span::from("[^e]dit by local time"),
+                                        ]);
+                                    }
+                                    spans.extend_from_slice(&[
+                                        Span::from(SPACE),
+                                        Span::from("[r]eset clock"),
+                                    ]);
+                                    if self.selected_content == Content::Pomodoro {
+                                        spans.extend_from_slice(&[
+                                            Span::from(SPACE),
+                                            Span::from("[^r]eset clocks+rounds"),
+                                        ]);
+                                    }
+                                    spans
+                                }
+                                _ => {
+                                    let mut spans = vec![Span::from("[s]ave changes")];
+                                    if self.selected_content == Content::Countdown
+                                        || self.selected_content == Content::Pomodoro
+                                    {
+                                        spans.extend_from_slice(&[
+                                            Span::from(SPACE),
+                                            Span::from("[^s]ave initial value"),
+                                        ]);
+                                    }
+                                    spans.extend_from_slice(&[
+                                        Span::from(SPACE),
+                                        Span::from("[esc]skip changes"),
+                                    ]);
+                                    spans
                                 }
-                                spans
                             }
                         })),
                     ]),
-                ],
-                widths,
-            )
-            .column_spacing(1)
-            .render(menu_area, buf);
+                    // controls - 2. row
+                    Row::new(vec![
+                        Cell::from(Line::from("")),
+                        Cell::from(Line::from({
+                            match self.app_edit_mode {
+                                AppEditMode::None => {
+                                    let mut spans = vec![];
+                                    if self.selected_content == Content::Pomodoro {
+                                        spans.extend_from_slice(&[Span::from(
+                                            "[← →]switch work/pause",
+                                        )]);
+                                    }
+                                    spans
+                                }
+                                _ => vec![
+                                    Span::from(format!(
+                                        // ← →,
+                                        "[{} {}]change selection",
+                                        scrollbar::HORIZONTAL.begin,
+                                        scrollbar::HORIZONTAL.end
+                                    )),
+                                    Span::from(SPACE),
+                                    Span::from(format!(
+                                        // ↑
+                                        "[{}]edit up",
+                                        scrollbar::VERTICAL.begin
+                                    )),
+                                    Span::from(SPACE),
+                                    Span::from(format!(
+                                        // ↓
+                                        "[{}]edit up",
+                                        scrollbar::VERTICAL.end
+                                    )),
+                                ],
+                            }
+                        })),
+                    ]),
+                ])
+            }
+
+            let table = Table::new(table_rows, widths).column_spacing(1);
+
+            Widget::render(table, menu_area, buf);
         }
     }
 }

src/widgets/local_time.rs

@@ -0,0 +1,185 @@
+use ratatui::{
+    buffer::Buffer,
+    layout::{Constraint, Layout, Rect},
+    style::{Modifier, Style},
+    text::{Line, Span},
+    widgets::{StatefulWidget, Widget},
+};
+
+use crate::{
+    common::{AppTime, AppTimeFormat, Style as DigitStyle},
+    duration::DurationEx,
+    events::{TuiEvent, TuiEventHandler},
+    utils::center,
+    widgets::clock_elements::{
+        COLON_WIDTH, Colon, DIGIT_HEIGHT, DIGIT_SPACE_WIDTH, DIGIT_WIDTH, Digit,
+    },
+};
+use std::cmp::max;
+
+/// State for `LocalTimeWidget`
+pub struct LocalTimeState {
+    time: AppTime,
+    format: AppTimeFormat,
+}
+
+pub struct LocalTimeStateArgs {
+    pub app_time: AppTime,
+    pub app_time_format: AppTimeFormat,
+}
+
+impl LocalTimeState {
+    pub fn new(args: LocalTimeStateArgs) -> Self {
+        let LocalTimeStateArgs {
+            app_time,
+            app_time_format,
+        } = args;
+
+        Self {
+            time: app_time,
+            format: app_time_format,
+        }
+    }
+
+    pub fn set_app_time(&mut self, app_time: AppTime) {
+        self.time = app_time;
+    }
+
+    pub fn set_app_time_format(&mut self, format: AppTimeFormat) {
+        self.format = format;
+    }
+}
+
+impl TuiEventHandler for LocalTimeState {
+    fn update(&mut self, event: TuiEvent) -> Option<TuiEvent> {
+        Some(event)
+    }
+}
+
+#[derive(Debug)]
+pub struct LocalTimeWidget {
+    pub style: DigitStyle,
+}
+
+impl LocalTimeWidget {
+    fn get_horizontal_lengths(&self, format: &AppTimeFormat) -> Vec<u16> {
+        const PERIOD_WIDTH: u16 = 2; // PM or AM
+
+        match format {
+            AppTimeFormat::HhMmSs => vec![
+                DIGIT_WIDTH,       // H
+                DIGIT_SPACE_WIDTH, // (space)
+                DIGIT_WIDTH,       // h
+                COLON_WIDTH,       // :
+                DIGIT_WIDTH,       // M
+                DIGIT_SPACE_WIDTH, // (space)
+                DIGIT_WIDTH,       // m
+                COLON_WIDTH,       // :
+                DIGIT_WIDTH,       // S
+                DIGIT_SPACE_WIDTH, // (space)
+                DIGIT_WIDTH,       // s
+            ],
+            AppTimeFormat::HhMm => vec![
+                DIGIT_WIDTH,       // H
+                DIGIT_SPACE_WIDTH, // (space)
+                DIGIT_WIDTH,       // h
+                COLON_WIDTH,       // :
+                DIGIT_WIDTH,       // M
+                DIGIT_SPACE_WIDTH, // (space)
+                DIGIT_WIDTH,       // m
+            ],
+            AppTimeFormat::Hh12Mm => vec![
+                DIGIT_SPACE_WIDTH + PERIOD_WIDTH, // (space) + (empty period) to center everything well horizontally
+                DIGIT_WIDTH,                      // H
+                DIGIT_SPACE_WIDTH,                // (space)
+                DIGIT_WIDTH,                      // h
+                COLON_WIDTH,                      // :
+                DIGIT_WIDTH,                      // M
+                DIGIT_SPACE_WIDTH,                // (space)
+                DIGIT_WIDTH,                      // m
+                DIGIT_SPACE_WIDTH,                // (space)
+                PERIOD_WIDTH,                     // period
+            ],
+        }
+    }
+}
+
+impl StatefulWidget for LocalTimeWidget {
+    type State = LocalTimeState;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        let current_value: DurationEx = state.time.as_duration_of_today().into();
+        let hours = current_value.hours_mod();
+        let hours12 = current_value.hours_mod_12();
+        let minutes = current_value.minutes_mod();
+        let seconds = current_value.seconds_mod();
+        let symbol = self.style.get_digit_symbol();
+
+        let label = Line::raw("Local Time".to_uppercase());
+
+        let format = state.format;
+        let widths = self.get_horizontal_lengths(&format);
+        let mut widths = widths;
+        // Special case for `Hh12Mm`
+        // It might be `h:Mm` OR `Hh:Mm` depending on `hours12`
+        if state.format == AppTimeFormat::Hh12Mm && hours12 < 10 {
+            // single digit means, no (zero) width's for `H` and `space`
+            widths[1] = 0; // `H`
+            widths[2] = 0; // `space`
+        }
+
+        let width = widths.iter().sum();
+        let area = center(
+            area,
+            Constraint::Length(max(width, label.width() as u16)),
+            Constraint::Length(DIGIT_HEIGHT + 1 /* height of label */),
+        );
+
+        let [v1, v2] = Layout::vertical(Constraint::from_lengths([DIGIT_HEIGHT, 1])).areas(area);
+
+        match state.format {
+            AppTimeFormat::HhMmSs => {
+                let [hh, _, h, c_hm, mm, _, m, c_ms, ss, _, s] =
+                    Layout::horizontal(Constraint::from_lengths(widths)).areas(v1);
+                Digit::new(hours / 10, false, symbol).render(hh, buf);
+                Digit::new(hours % 10, false, symbol).render(h, buf);
+                Colon::new(symbol).render(c_hm, buf);
+                Digit::new(minutes / 10, false, symbol).render(mm, buf);
+                Digit::new(minutes % 10, false, symbol).render(m, buf);
+                Colon::new(symbol).render(c_ms, buf);
+                Digit::new(seconds / 10, false, symbol).render(ss, buf);
+                Digit::new(seconds % 10, false, symbol).render(s, buf);
+            }
+            AppTimeFormat::HhMm => {
+                let [hh, _, h, c_hm, mm, _, m] =
+                    Layout::horizontal(Constraint::from_lengths(widths)).areas(v1);
+                Digit::new(hours / 10, false, symbol).render(hh, buf);
+                Digit::new(hours % 10, false, symbol).render(h, buf);
+                Colon::new(symbol).render(c_hm, buf);
+                Digit::new(minutes / 10, false, symbol).render(mm, buf);
+                Digit::new(minutes % 10, false, symbol).render(m, buf);
+            }
+            AppTimeFormat::Hh12Mm => {
+                let [_, hh, _, h, c_hm, mm, _, m, _, p] =
+                    Layout::horizontal(Constraint::from_lengths(widths)).areas(v1);
+                // Hh
+                if hours12 >= 10 {
+                    Digit::new(hours12 / 10, false, symbol).render(hh, buf);
+                    Digit::new(hours12 % 10, false, symbol).render(h, buf);
+                }
+                // h
+                else {
+                    Digit::new(hours12, false, symbol).render(h, buf);
+                }
+                Colon::new(symbol).render(c_hm, buf);
+                Digit::new(minutes / 10, false, symbol).render(mm, buf);
+                Digit::new(minutes % 10, false, symbol).render(m, buf);
+                Span::styled(
+                    state.time.get_period().to_uppercase(),
+                    Style::default().add_modifier(Modifier::BOLD),
+                )
+                .render(p, buf);
+            }
+        }
+        label.centered().render(v2, buf);
+    }
+}

src/widgets/pomodoro.rs

@@ -1,24 +1,20 @@
 use crate::{
     common::Style,
     constants::TICK_VALUE_MS,
-    events::{Event, EventHandler},
+    events::{AppEventTx, TuiEvent, TuiEventHandler},
     utils::center,
-    widgets::clock::{Clock, ClockWidget, Countdown},
+    widgets::clock::{ClockState, ClockStateArgs, ClockWidget, Countdown},
 };
+use crossterm::event::{KeyCode, KeyModifiers};
 use ratatui::{
     buffer::Buffer,
-    crossterm::event::KeyCode,
     layout::{Constraint, Layout, Rect},
     text::Line,
     widgets::{StatefulWidget, Widget},
 };
-use std::{cmp::max, time::Duration};
-
-use strum::Display;
-
 use serde::{Deserialize, Serialize};
-
-use super::clock::ClockArgs;
+use std::{cmp::max, time::Duration};
+use strum::Display;
 
 #[derive(Debug, Clone, Display, Hash, Eq, PartialEq, Deserialize, Serialize)]
 pub enum Mode {
@@ -26,20 +22,19 @@ pub enum Mode {
     Pause,
 }
 
-#[derive(Debug, Clone)]
 pub struct ClockMap {
-    work: Clock<Countdown>,
-    pause: Clock<Countdown>,
+    work: ClockState<Countdown>,
+    pause: ClockState<Countdown>,
 }
 
 impl ClockMap {
-    fn get_mut(&mut self, mode: &Mode) -> &mut Clock<Countdown> {
+    fn get_mut(&mut self, mode: &Mode) -> &mut ClockState<Countdown> {
         match mode {
             Mode::Work => &mut self.work,
             Mode::Pause => &mut self.pause,
         }
     }
-    fn get(&self, mode: &Mode) -> &Clock<Countdown> {
+    fn get(&self, mode: &Mode) -> &ClockState<Countdown> {
         match mode {
             Mode::Work => &self.work,
             Mode::Pause => &self.pause,
@@ -47,77 +42,89 @@ impl ClockMap {
     }
 }
 
-#[derive(Debug, Clone)]
-pub struct Pomodoro {
+pub struct PomodoroState {
     mode: Mode,
     clock_map: ClockMap,
+    round: u64,
 }
 
-pub struct PomodoroArgs {
+pub struct PomodoroStateArgs {
     pub mode: Mode,
     pub initial_value_work: Duration,
     pub current_value_work: Duration,
     pub initial_value_pause: Duration,
     pub current_value_pause: Duration,
-    pub style: Style,
     pub with_decis: bool,
+    pub app_tx: AppEventTx,
+    pub round: u64,
 }
 
-impl Pomodoro {
-    pub fn new(args: PomodoroArgs) -> Self {
-        let PomodoroArgs {
+impl PomodoroState {
+    pub fn new(args: PomodoroStateArgs) -> Self {
+        let PomodoroStateArgs {
             mode,
             initial_value_work,
             current_value_work,
             initial_value_pause,
             current_value_pause,
-            style,
             with_decis,
+            app_tx,
+            round,
         } = args;
         Self {
             mode,
             clock_map: ClockMap {
-                work: Clock::<Countdown>::new(ClockArgs {
+                work: ClockState::<Countdown>::new(ClockStateArgs {
                     initial_value: initial_value_work,
                     current_value: current_value_work,
                     tick_value: Duration::from_millis(TICK_VALUE_MS),
-                    style,
                     with_decis,
-                }),
-                pause: Clock::<Countdown>::new(ClockArgs {
+                    app_tx: Some(app_tx.clone()),
+                })
+                .with_name("Work".to_owned()),
+                pause: ClockState::<Countdown>::new(ClockStateArgs {
                     initial_value: initial_value_pause,
                     current_value: current_value_pause,
                     tick_value: Duration::from_millis(TICK_VALUE_MS),
-                    style,
                     with_decis,
-                }),
+                    app_tx: Some(app_tx),
+                })
+                .with_name("Pause".to_owned()),
             },
+            round,
         }
     }
 
-    fn get_clock_mut(&mut self) -> &mut Clock<Countdown> {
+    fn get_clock_mut(&mut self) -> &mut ClockState<Countdown> {
         self.clock_map.get_mut(&self.mode)
     }
 
-    pub fn get_clock(&self) -> &Clock<Countdown> {
+    pub fn get_clock(&self) -> &ClockState<Countdown> {
         self.clock_map.get(&self.mode)
     }
 
-    pub fn get_clock_work(&self) -> &Clock<Countdown> {
+    pub fn get_clock_work(&self) -> &ClockState<Countdown> {
         &self.clock_map.work
     }
 
-    pub fn get_clock_pause(&self) -> &Clock<Countdown> {
+    pub fn get_clock_work_mut(&mut self) -> &mut ClockState<Countdown> {
+        self.clock_map.get_mut(&Mode::Work)
+    }
+
+    pub fn get_clock_pause(&self) -> &ClockState<Countdown> {
         &self.clock_map.pause
     }
 
+    pub fn get_clock_pause_mut(&mut self) -> &mut ClockState<Countdown> {
+        self.clock_map.get_mut(&Mode::Pause)
+    }
+
     pub fn get_mode(&self) -> &Mode {
         &self.mode
     }
 
-    pub fn set_style(&mut self, style: Style) {
-        self.clock_map.work.style = style;
-        self.clock_map.pause.style = style;
+    pub fn get_round(&self) -> u64 {
+        self.round
     }
 
     pub fn set_with_decis(&mut self, with_decis: bool) {
@@ -133,40 +140,84 @@ impl Pomodoro {
     }
 }
 
-impl EventHandler for Pomodoro {
-    fn update(&mut self, event: Event) -> Option<Event> {
+impl TuiEventHandler for PomodoroState {
+    fn update(&mut self, event: TuiEvent) -> Option<TuiEvent> {
         let edit_mode = self.get_clock().is_edit_mode();
         match event {
-            Event::Tick => {
+            TuiEvent::Tick => {
                 self.get_clock_mut().tick();
+                self.get_clock_mut().update_done_count();
             }
-            Event::Key(key) => match key.code {
+            // EDIT mode
+            TuiEvent::Key(key) if edit_mode => match key.code {
+                // Skip changes
+                KeyCode::Esc => {
+                    let clock = self.get_clock_mut();
+                    // Important: set current value first
+                    clock.set_current_value(*clock.get_prev_value());
+                    // before toggling back to non-edit mode
+                    clock.toggle_edit();
+                }
+                // Apply changes and update initial value
+                KeyCode::Char('s') if key.modifiers.contains(KeyModifiers::CONTROL) => {
+                    self.get_clock_mut().toggle_edit();
+                    // update initial value
+                    let c = *self.get_clock().get_current_value();
+                    self.get_clock_mut().set_initial_value(c);
+                }
+                // Apply changes
+                KeyCode::Char('s') => {
+                    self.get_clock_mut().toggle_edit();
+                }
+                // Value up
+                KeyCode::Up => {
+                    self.get_clock_mut().edit_up();
+                }
+                // Value down
+                KeyCode::Down => {
+                    self.get_clock_mut().edit_down();
+                }
+                // move edit position to the left
+                KeyCode::Left => {
+                    self.get_clock_mut().edit_next();
+                }
+                // move edit position to the right
+                KeyCode::Right => {
+                    self.get_clock_mut().edit_prev();
+                }
+                _ => return Some(event),
+            },
+            // default mode
+            TuiEvent::Key(key) => match key.code {
+                // Toggle run/pause
                 KeyCode::Char('s') => {
                     self.get_clock_mut().toggle_pause();
                 }
+                // Enter edit mode
                 KeyCode::Char('e') => {
                     self.get_clock_mut().toggle_edit();
                 }
-                KeyCode::Left if edit_mode => {
-                    self.get_clock_mut().edit_next();
-                }
+                // toggle WORK/PAUSE
                 KeyCode::Left => {
-                    // `next` is acting as same as a `prev` function, we don't have
+                    // `next` is acting as same as a "prev" function we don't have
                     self.next();
                 }
-                KeyCode::Right if edit_mode => {
-                    self.get_clock_mut().edit_prev();
-                }
+                // toggle WORK/PAUSE
                 KeyCode::Right => {
                     self.next();
                 }
-                KeyCode::Up if edit_mode => {
-                    self.get_clock_mut().edit_up();
-                }
-                KeyCode::Down if edit_mode => {
-                    self.get_clock_mut().edit_down();
+                // reset rounds AND clocks
+                KeyCode::Char('r') if key.modifiers.contains(KeyModifiers::CONTROL) => {
+                    self.round = 1;
+                    self.get_clock_work_mut().reset();
+                    self.get_clock_pause_mut().reset();
                 }
+                // reset current clock
                 KeyCode::Char('r') => {
+                    // increase round before (!!) resetting the clock
+                    if self.get_mode() == &Mode::Work && self.get_clock().is_done() {
+                        self.round += 1;
+                    }
                     self.get_clock_mut().reset();
                 }
                 _ => return Some(event),
@@ -177,12 +228,15 @@ impl EventHandler for Pomodoro {
     }
 }
 
-pub struct PomodoroWidget;
+pub struct PomodoroWidget {
+    pub style: Style,
+    pub blink: bool,
+}
 
 impl StatefulWidget for PomodoroWidget {
-    type State = Pomodoro;
+    type State = PomodoroState;
     fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
-        let clock_widget = ClockWidget::new();
+        let clock_widget = ClockWidget::new(self.style, self.blink);
         let label = Line::raw(
             (format!(
                 "Pomodoro {} {}",
@@ -191,6 +245,7 @@ impl StatefulWidget for PomodoroWidget {
             ))
             .to_uppercase(),
         );
+        let label_round = Line::raw((format!("round {}", state.get_round(),)).to_uppercase());
 
         let area = center(
             area,
@@ -201,13 +256,25 @@ impl StatefulWidget for PomodoroWidget {
                 ),
                 label.width() as u16,
             )),
-            Constraint::Length(clock_widget.get_height() + 1 /* height of mode_str */),
+            Constraint::Length(
+                // empty label + height of `label` + `label_round`
+                clock_widget.get_height() + 3,
+            ),
         );
 
-        let [v1, v2] =
-            Layout::vertical(Constraint::from_lengths([clock_widget.get_height(), 1])).areas(area);
+        let [v1, v2, v3, v4] = Layout::vertical(Constraint::from_lengths([
+            1,
+            clock_widget.get_height(),
+            1,
+            1,
+        ]))
+        .areas(area);
 
-        clock_widget.render(v1, buf, state.get_clock_mut());
-        label.centered().render(v2, buf);
+        // empty line keep everything in center vertically comparing to other
+        // views (which have one label below the clock only)
+        Line::raw("").centered().render(v1, buf);
+        clock_widget.render(v2, buf, state.get_clock_mut());
+        label.centered().render(v3, buf);
+        label_round.centered().render(v4, buf);
     }
 }

src/widgets/timer.rs

@@ -1,8 +1,8 @@
 use crate::{
     common::Style,
-    events::{Event, EventHandler},
+    events::{TuiEvent, TuiEventHandler},
     utils::center,
-    widgets::clock::{self, Clock, ClockWidget},
+    widgets::clock::{self, ClockState, ClockWidget},
 };
 use ratatui::{
     buffer::Buffer,
@@ -13,58 +13,77 @@ use ratatui::{
 };
 use std::cmp::max;
 
-#[derive(Debug, Clone)]
-pub struct Timer {
-    clock: Clock<clock::Timer>,
+pub struct TimerState {
+    clock: ClockState<clock::Timer>,
 }
 
-impl Timer {
-    pub const fn new(clock: Clock<clock::Timer>) -> Self {
+impl TimerState {
+    pub const fn new(clock: ClockState<clock::Timer>) -> Self {
         Self { clock }
     }
 
-    pub fn set_style(&mut self, style: Style) {
-        self.clock.style = style;
-    }
-
     pub fn set_with_decis(&mut self, with_decis: bool) {
         self.clock.with_decis = with_decis;
     }
 
-    pub fn get_clock(&self) -> &Clock<clock::Timer> {
+    pub fn get_clock(&self) -> &ClockState<clock::Timer> {
         &self.clock
     }
 }
 
-impl EventHandler for Timer {
-    fn update(&mut self, event: Event) -> Option<Event> {
+impl TuiEventHandler for TimerState {
+    fn update(&mut self, event: TuiEvent) -> Option<TuiEvent> {
         let edit_mode = self.clock.is_edit_mode();
         match event {
-            Event::Tick => {
+            TuiEvent::Tick => {
                 self.clock.tick();
+                self.clock.update_done_count();
             }
-            Event::Key(key) => match key.code {
+            // EDIT mode
+            TuiEvent::Key(key) if edit_mode => match key.code {
+                // Skip changes
+                KeyCode::Esc => {
+                    // Important: set current value first
+                    self.clock.set_current_value(*self.clock.get_prev_value());
+                    // before toggling back to non-edit mode
+                    self.clock.toggle_edit();
+                }
+                // Apply changes
+                KeyCode::Char('s') => {
+                    self.clock.toggle_edit();
+                }
+                // move change position to the left
+                KeyCode::Left => {
+                    self.clock.edit_next();
+                }
+                // move change position to the right
+                KeyCode::Right => {
+                    self.clock.edit_prev();
+                }
+                // change value up
+                KeyCode::Up => {
+                    self.clock.edit_up();
+                }
+                // change value down
+                KeyCode::Down => {
+                    self.clock.edit_down();
+                }
+                _ => return Some(event),
+            },
+            // default mode
+            TuiEvent::Key(key) => match key.code {
+                // Toggle run/pause
                 KeyCode::Char('s') => {
                     self.clock.toggle_pause();
                 }
+                // reset clock
                 KeyCode::Char('r') => {
                     self.clock.reset();
                 }
+                // enter edit mode
                 KeyCode::Char('e') => {
                     self.clock.toggle_edit();
                 }
-                KeyCode::Left if edit_mode => {
-                    self.clock.edit_next();
-                }
-                KeyCode::Right if edit_mode => {
-                    self.clock.edit_prev();
-                }
-                KeyCode::Up if edit_mode => {
-                    self.clock.edit_up();
-                }
-                KeyCode::Down if edit_mode => {
-                    self.clock.edit_down();
-                }
                 _ => return Some(event),
             },
             _ => return Some(event),
@@ -73,13 +92,16 @@ impl EventHandler for Timer {
     }
 }
 
-pub struct TimerWidget;
+pub struct Timer {
+    pub style: Style,
+    pub blink: bool,
+}
 
-impl StatefulWidget for &TimerWidget {
-    type State = Timer;
+impl StatefulWidget for Timer {
+    type State = TimerState;
     fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
         let clock = &mut state.clock;
-        let clock_widget = ClockWidget::new();
+        let clock_widget = ClockWidget::new(self.style, self.blink);
         let label = Line::raw((format!("Timer {}", clock.get_mode())).to_uppercase());
 
         let area = center(