[Update/TMP] Hotkey Alt+Y will active VRCT when VRChat is the active window.

src-tauri/src/main.rs

@@ -1,9 +1,8 @@
-// Prevents additional console window on Windows in release, DO NOT REMOVE!!
-#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
-
-// use tauri::command;
 use tauri::Manager;
 use window_shadows::set_shadow;
+use windows::Win32::UI::WindowsAndMessaging::{GetForegroundWindow, GetWindowTextW};
+use std::collections::HashSet;
+
 fn main() {
     tauri::Builder::default()
         .setup(|app| {
@@ -13,18 +12,16 @@ fn main() {
             { main_window.open_devtools(); }
 
             #[cfg(any(windows, target_os = "macos"))]
-            set_shadow(main_window, true).unwrap();
+            set_shadow(main_window, true).unwrap()
 
             Ok(())
         })
-        .invoke_handler(tauri::generate_handler![get_font_list])
+        .invoke_handler(tauri::generate_handler![get_font_list, get_active_window_title])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }
 
-
 use font_kit::{source::SystemSource};
-use std::collections::HashSet;
 
 #[tauri::command]
 async fn get_font_list() -> Vec<String> {
@@ -41,3 +38,27 @@ async fn get_font_list() -> Vec<String> {
 
     font_families.into_iter().collect()
 }
+
+use windows::Win32::Foundation::HWND;
+#[tauri::command]
+fn get_active_window_title() -> String {
+    unsafe {
+        // Get the handle of the foreground (active) window
+        let hwnd = GetForegroundWindow();
+        if hwnd == HWND(0) {  // `HWND(0)` は null ハンドルを表します
+            return "No active window".to_string();
+        }
+
+        // Create a buffer to hold the window title
+        let mut buffer: [u16; 512] = [0; 512];
+
+        // Get the window title
+        let length = GetWindowTextW(hwnd, &mut buffer);
+
+        if length > 0 {
+            // Convert the result to a Rust string
+            return String::from_utf16_lossy(&buffer[..length as usize]);
+        }
+    }
+    "Failed to retrieve window title".to_string()
+}