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Follows the specified monitor and outputs the current active window title. Designed to be used with [Eww](https://github.com/elkowar/eww), but may function with other bars. + +## Installation Instructions +### Dependencies +[Hyprland](https://github.com/hyprwm/Hyprland) +### Arch Linux +Arch users can install from AUR using your favourite package manager. +``` + pikaur -S hyprland-activewindow +``` +### Building from source +``` +git clone https://github.com/FieldofClay/hyprland-activewindow.git +cd hyprland-activewindow +cargo build --release +``` + +## Usage +Pass the name of the monitor to follow as the only argument. It will then follow that monitor and output the active window title to stdout. +``` +./hyprland-activewindow eDP-1 +``` +You can get the names of your monitors by running: +``` +hyprctl monitors -j +``` + +It can be used as a title widget in Eww with config similar to below. +```yuck +(deflisten window0 "hyprland-activewindow `hyprctl monitors -j | jq -r \".[0].name\"`") +(defwidget title0 [] + (label :text "${window0}")) + +(deflisten window1 "hyprland-activewindow `hyprctl monitors -j | jq -r \".[1].name\"`") +(defwidget title1 [] + (label :text "${window1}")) +``` \ No newline at end of file diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..42ed8a0 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,67 @@ +use hyprland::data::{Monitor, Monitors, Workspace, Workspaces}; +use hyprland::event_listener::EventListenerMutable as EventListener; +use hyprland::shared::{HResult, HyprData}; +use std::env; +use std::{thread, time}; + +const HELP: &str = "\ +hyprland-activewindow: a multi monitor aware active hyprland window title reporter, designed to be used with eww. + +USAGE: + hyprland-activewindow MONITOR + +FLAGS: + -h, --help Prints help information + +ARGS: + Monitor to report active window title on +"; + +fn main() -> HResult<()> { + let args: Vec = env::args().collect(); + //check args + if args.len() != 2 || args[1].eq("-h") || args[1].eq("--help") { + println!("{HELP}"); + std::process::exit(0); + } + // Create a event listener + let mut event_listener = EventListener::new(); + event_listener.add_active_window_change_handler(move |data, state| { + let mon = &args[1]; + use hyprland::event_listener::WindowEventData; + let title = match data { + Some(WindowEventData(_, title)) => format!("{title}"), + None => "".to_string(), + }; + if mon.eq(&state.active_monitor) { + if title.ne("") { + println!("{}", title); + } else { + //when changing workspaces, hyprland will output an empty title + //here we check if that workspace is actually empty or not + //and only updating the active title if it is + + //just wait a moment for config to update + thread::sleep(time::Duration::from_millis(100)); + let ws_id = Monitors::get() + .expect("unable to get monitors") + .filter(|m| m.name.eq(mon)) + .collect::>()[0] + .active_workspace + .id; + + let window_cnt = Workspaces::get() + .expect("unable to get workspaces") + .filter(|w| w.id.eq(&ws_id)) + .collect::>()[0] + .windows; + + if window_cnt == 0u8 { + println!("{}", title); + } + } + } + }); + + event_listener.start_listener() +}