103 lines
2.5 KiB
Markdown
103 lines
2.5 KiB
Markdown
# valw
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macOS-style screenshots for [niri](https://github.com/YaLTeR/niri) on
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Wayland: the whole screen, a region, a window, a zoomable freeze-frame, a
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Cmd+Shift+5-style toolbar, a floating preview you can drag into other apps,
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and a built-in markup editor. Written in Rust, packaged with Nix.
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## Install
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Run it once:
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```sh
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nix run git+https://git.userevolt.app/elars/valw -- doctor
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```
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As a package from the flake (`packages.<system>.default`), or with the
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home-manager module:
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```nix
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# flake.nix
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inputs.valw.url = "git+https://git.userevolt.app/elars/valw";
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# a home-manager module
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{ inputs, ... }:
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{
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imports = [ inputs.valw.homeModules.default ];
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programs.valw = {
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enable = true;
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settings = {
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preview.timeout_secs = 3;
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sound.volume = 0.4;
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capture.window_shadow = true;
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};
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};
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}
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```
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`settings` becomes `~/.config/valw/config.toml`. valw checks it while the
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configuration is built, so a typo or a bad value fails the rebuild instead
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of surprising you later. The toolbar's remembered choices live in
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`~/.local/state/valw/toolbar.toml` and stay writable.
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## Bind it in niri
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```kdl
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binds {
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Print { spawn "valw" "screen"; }
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Mod+Shift+S { spawn "valw" "region"; }
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Mod+Shift+W { spawn "valw" "window"; }
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Mod+Shift+Z { spawn "valw" "zoom"; }
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Mod+Shift+T { spawn "valw" "toolbar"; }
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}
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```
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## Commands
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| Command | What it does |
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| `valw screen [--all]` | The focused output (or every output) |
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| `valw region` | Drag a region; Shift locks an axis, Alt grows from the centre, Space moves it; Space before dragging switches to window mode |
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| `valw window` | Click a window |
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| `valw zoom` | Freeze the screen and zoom: wheel, drag, `f` flashlight, `c` capture the view, `0` reset, Esc |
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| `valw toolbar` | Pick a mode from a floating bar, with a timer and options |
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| `valw edit FILE` | The markup editor (clicking a preview opens it) |
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| `valw doctor` | What the compositor and system support |
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Capture commands take `--clipboard-only`, `-o PATH` (`-` for stdout),
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`--delay SECS`, `--cursor` and `--no-preview`.
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## Configuration
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Every key is optional; these are the defaults.
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```toml
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[save]
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directory = "~/Pictures/Screenshots"
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filename = "Screenshot %Y-%m-%d at %H.%M.%S.png"
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copy_to_clipboard = true
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[capture]
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show_cursor = false
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window_shadow = false
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[preview]
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enabled = true
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timeout_secs = 5
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[zoom]
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scroll_step = 1.15
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flashlight_radius = 180
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[editor]
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backend = "builtin" # or "satty"
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[sound]
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enabled = true
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volume = 0.6
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combo_reset_secs = 5
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```
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Logs are in `~/.local/state/valw/logs/`.
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