fix: win11 drag lag

src-tauri/Cargo.toml

@@ -40,6 +40,7 @@ port_scanner = "0.1.5"
 [target.'cfg(windows)'.dependencies]
 runas = "0.2.1"
 deelevate = "0.2.0"
+windows-sys = "0.36"
 winreg = { version = "0.10", features = ["transactions"] }
 
 [features]

src-tauri/src/utils/mod.rs

@@ -6,3 +6,4 @@ pub mod resolve;
 pub mod server;
 pub mod sysopt;
 pub mod tmpl;
+mod winhelp;

src-tauri/src/utils/resolve.rs

@@ -35,12 +35,18 @@ fn resolve_window(app: &App) {
 
   #[cfg(target_os = "windows")]
   {
+    use crate::utils::winhelp;
     use window_shadows::set_shadow;
     use window_vibrancy::apply_blur;
 
     let _ = window.set_decorations(false);
     let _ = set_shadow(&window, true);
-    let _ = apply_blur(&window, None);
+
+    // todo
+    // win11 disable this feature temporarily due to lag
+    if !winhelp::is_win11() {
+      let _ = apply_blur(&window, None);
+    }
   }
 
   #[cfg(target_os = "macos")]

src-tauri/src/utils/winhelp.rs

@@ -0,0 +1,69 @@
+#![cfg(target_os = "windows")]
+#![allow(non_snake_case)]
+#![allow(non_camel_case_types)]
+
+//!
+//! From https://github.com/tauri-apps/window-vibrancy/blob/dev/src/windows.rs
+//!
+
+use windows_sys::Win32::{
+  Foundation::*,
+  System::{LibraryLoader::*, SystemInformation::*},
+};
+
+fn get_function_impl(library: &str, function: &str) -> Option<FARPROC> {
+  assert_eq!(library.chars().last(), Some('\0'));
+  assert_eq!(function.chars().last(), Some('\0'));
+
+  let module = unsafe { LoadLibraryA(library.as_ptr()) };
+  if module == 0 {
+    return None;
+  }
+  Some(unsafe { GetProcAddress(module, function.as_ptr()) })
+}
+
+macro_rules! get_function {
+  ($lib:expr, $func:ident) => {
+    get_function_impl(concat!($lib, '\0'), concat!(stringify!($func), '\0')).map(|f| unsafe {
+      std::mem::transmute::<::windows_sys::Win32::Foundation::FARPROC, $func>(f)
+    })
+  };
+}
+
+/// Returns a tuple of (major, minor, buildnumber)
+fn get_windows_ver() -> Option<(u32, u32, u32)> {
+  type RtlGetVersion = unsafe extern "system" fn(*mut OSVERSIONINFOW) -> i32;
+  let handle = get_function!("ntdll.dll", RtlGetVersion);
+  if let Some(rtl_get_version) = handle {
+    unsafe {
+      let mut vi = OSVERSIONINFOW {
+        dwOSVersionInfoSize: 0,
+        dwMajorVersion: 0,
+        dwMinorVersion: 0,
+        dwBuildNumber: 0,
+        dwPlatformId: 0,
+        szCSDVersion: [0; 128],
+      };
+
+      let status = (rtl_get_version)(&mut vi as _);
+
+      if status >= 0 {
+        Some((vi.dwMajorVersion, vi.dwMinorVersion, vi.dwBuildNumber))
+      } else {
+        None
+      }
+    }
+  } else {
+    None
+  }
+}
+
+pub fn is_win11() -> bool {
+  let v = get_windows_ver().unwrap_or_default();
+  v.2 >= 22000
+}
+
+#[test]
+fn test_version() {
+  dbg!(get_windows_ver().unwrap_or_default());
+}