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Code Issues Releases Wiki Activity

Add extension method to retrieve center coordinates from window handle

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This commit is contained in:
Isaiah Inuwa
2025-11-20 10:08:12 -06:00
parent f8e8d5fd3f
commit cf728910f2
2 changed files with 19 additions and 1 deletions
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1
apps/desktop/desktop_native/windows_plugin_authenticator/src/win_webauthn/mod.rs
View File

@@ -13,6 +13,7 @@ pub use types::{
};
pub use com::PluginAuthenticator;
pub use util::HwndExt;
use crate::win_webauthn::{
types::{

19
apps/desktop/desktop_native/windows_plugin_authenticator/src/win_webauthn/util.rs
View File

@@ -1,8 +1,9 @@
use windows::{
core::s,
Win32::{
Foundation::{FreeLibrary, HMODULE},
Foundation::{FreeLibrary, HMODULE, HWND, RECT},
System::LibraryLoader::{LoadLibraryExA, LOAD_LIBRARY_SEARCH_SYSTEM32},
UI::WindowsAndMessaging::GetWindowRect,
},
};
@@ -27,6 +28,22 @@ pub(super) fn free_webauthn_lib(library: HMODULE) -> Result<(), WinWebAuthnError
})
}
}
pub trait HwndExt {
fn center_position(&self) -> windows::core::Result<(i32, i32)>;
}
impl HwndExt for HWND {
fn center_position(&self) -> windows::core::Result<(i32, i32)> {
let mut window: RECT = RECT::default();
unsafe {
GetWindowRect(*self, &mut window)?;
}
// TODO: We may need to adjust for scaling.
let center_x = (window.right + window.left) / 2;
let center_y = (window.bottom + window.top) / 2;
Ok((center_x, center_y))
}
}
pub(super) trait WindowsString {
fn to_utf16(&self) -> Vec<u16>;