From 9d2a78fa4dfaee00fa8f4d1e6d35d6b90a6ea461 Mon Sep 17 00:00:00 2001
From: lunxinfeng <892452936@qq.com>
Date: Sun, 28 Jan 2024 16:33:08 +0800
Subject: [PATCH] setAlignment support custom Alignment, like Alignment(-0.5,
 -0.5). (#424)

---
 lib/src/utils/calc_window_position.dart | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/src/utils/calc_window_position.dart b/lib/src/utils/calc_window_position.dart
index 1a3ca7a..907c00d 100644
--- a/lib/src/utils/calc_window_position.dart
+++ b/lib/src/utils/calc_window_position.dart
@@ -79,6 +79,13 @@ Future<Offset> calcWindowPosition(
       visibleStartX + visibleWidth - windowSize.width,
       visibleStartY + (visibleHeight - windowSize.height),
     );
+  } else {
+    final left = (visibleWidth - windowSize.width) / 2 + alignment.x * ((visibleWidth - windowSize.width) / 2);
+    final top = (visibleHeight - windowSize.height) / 2 + alignment.y * ((visibleHeight - windowSize.height) / 2);
+    position = Offset(
+      visibleStartX + left,
+      visibleStartY + top,
+    );
   }
   return position;
 }