chore(crates/termsize): Vendor

1 files changed, 52 insertions, 0 deletions

diff --git a/crates/termsize/src/win.rs b/crates/termsize/src/win.rs
new file mode 100644
index 0000000..666a0fc
--- /dev/null
+++ b/crates/termsize/src/win.rs
@@ -0,0 +1,52 @@
+// yt - A fully featured command line YouTube client
+//
+// Copyright (C) 2025 softprops <d.tangren@gmail.com>
+// SPDX-License-Identifier: MIT
+//
+// This file is part of Yt.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
+use std::ptr;
+
+use winapi::um::{
+    fileapi::{CreateFileA, OPEN_EXISTING},
+    handleapi::INVALID_HANDLE_VALUE,
+    wincon::{GetConsoleScreenBufferInfo, CONSOLE_SCREEN_BUFFER_INFO},
+    winnt::{FILE_SHARE_WRITE, GENERIC_READ, GENERIC_WRITE},
+};
+
+use self::super::Size;
+
+/// Gets the current terminal size
+pub fn get() -> Option<Size> {
+    // http://rosettacode.org/wiki/Terminal_control/Dimensions#Windows
+    let handle = unsafe {
+        CreateFileA(
+            b"CONOUT$\0".as_ptr() as *const i8,
+            GENERIC_READ | GENERIC_WRITE,
+            FILE_SHARE_WRITE,
+            ptr::null_mut(),
+            OPEN_EXISTING,
+            0,
+            ptr::null_mut(),
+        )
+    };
+    if handle == INVALID_HANDLE_VALUE {
+        return None;
+    }
+    let info = unsafe {
+        // https://msdn.microsoft.com/en-us/library/windows/desktop/ms683171(v=vs.85).aspx
+        let mut info = ::std::mem::MaybeUninit::<CONSOLE_SCREEN_BUFFER_INFO>::uninit();
+        if GetConsoleScreenBufferInfo(handle, info.as_mut_ptr()) == 0 {
+            None
+        } else {
+            Some(info.assume_init())
+        }
+    };
+    info.map(|inf| Size {
+        rows: (inf.srWindow.Bottom - inf.srWindow.Top + 1) as u16,
+        cols: (inf.srWindow.Right - inf.srWindow.Left + 1) as u16,
+    })
+}