Implement support for Windows

Cargo.toml

@@ -7,3 +7,6 @@ edition = "2021"
 anyhow = "1.0.86"
 ratatui = "0.27.0"
 regex = "1.10.5"
+
+[target.'cfg(windows)'.dependencies]
+winapi = { version = "0.3", features = ["winuser", "processthreadsapi"] }

README.md

@@ -9,5 +9,5 @@ window was and calculates a session score from that.
 To use AntiDrift, run `cargo run --release` directly, or `cargo build --release`
 and copy the binary into your `PATH`.
 
-Uses `xdotool` to get window titles and minimize windows. Currently Linux with
-X11 is the only supported platform.
+Under Linux, we use `xdotool` to get window titles and minimize windows. Under
+Windows, we use the package `winapi` for the same functionality.

src/window/mod.rs

@@ -0,0 +1,9 @@
+#[cfg(target_os = "windows")]
+mod windows;
+#[cfg(target_os = "windows")]
+pub use windows::*;
+
+#[cfg(target_os = "linux")]
+mod linux;
+#[cfg(target_os = "linux")]
+pub use linux::*;

src/window/windows.rs

@@ -0,0 +1,38 @@
+use regex::Regex;
+use std::{ffi::OsString, os::windows::ffi::OsStringExt};
+use winapi::shared::windef::HWND;
+use winapi::um::winuser::{ShowWindow, SW_MINIMIZE, GetForegroundWindow, GetWindowTextW};
+
+
+pub fn get_title_clean() -> String {
+    let title = get_window_info().title;
+    let re = Regex::new(r"-?\d+([:.]\d+)+%?").unwrap();
+    re.replace_all(&title, "").to_string()
+}
+
+pub fn minimize_other(title: &str) {
+    let window_info = get_window_info();
+    if window_info.title != title {
+        unsafe {
+            ShowWindow(window_info.hwnd, SW_MINIMIZE);
+        }
+    }
+}
+
+struct WindowInfo {
+    title: String,
+    hwnd: HWND,
+}
+
+fn get_window_info() -> WindowInfo {
+    unsafe {
+        let hwnd = GetForegroundWindow();
+        let mut text: [u16; 512] = [0; 512];
+        let len = GetWindowTextW(hwnd, text.as_mut_ptr(), text.len() as i32) as usize;
+        let title = OsString::from_wide(&text[..len]).to_string_lossy().into_owned();
+        WindowInfo {
+            title,
+            hwnd,
+        }
+    }
+}