chore: Set min/max window size

README.md

@@ -39,6 +39,7 @@ English | [简体中文](README_zh.md)
 + Methods to get and set the positions of the window’s standard window buttons (such as the close, miniaturize, and zoom buttons).
 + Methods to control whether the window should be closable by the user, as well as methods to close the window programmatically.
 + Widgets to enable passthrough views in the toolbar that pass mouse events (such as clicking or dragging) to the Flutter application.
++ Methods to set min/max window size
 
 Additionally, the package ships with an example project that showcases the plugin's features via an intuitive searchable user interface:
 

example/lib/main_area/window_manipulator_demo/command_list_provider/command_list_provider.dart

@@ -710,6 +710,16 @@ class CommandListProvider {
             'momentarily highlighting the button and then closing the window.',
         function: () => WindowManipulator.performClose(),
       ),
+      Command(
+        name: 'setWindowMinSize()',
+        description: 'Sets the minimum window size to 480x320.',
+        function: () => WindowManipulator.setWindowMinSize(const Size(480, 320)),
+      ),
+      Command(
+        name: 'setWindowMaxSize()',
+        description: 'Sets the maximum window size to 960x640.',
+        function: () => WindowManipulator.setWindowMaxSize(const Size(960, 640)),
+      ),
     ];
   }
 }

lib/window_manipulator.dart

@@ -875,4 +875,22 @@ class WindowManipulator {
       },
     );
   }
+
+  /// Sets the minimum size for the window
+  static Future<void> setWindowMinSize(Size size) async {
+    await _completer.future;
+    await _windowManipulatorMethodChannel.invokeMethod('setWindowMinSize', {
+      'width': size.width,
+      'height': size.height,
+    });
+  }
+
+  /// Sets the maximum size for the window
+  static Future<void> setWindowMaxSize(Size size) async {
+    await _completer.future;
+    await _windowManipulatorMethodChannel.invokeMethod('setWindowMaxSize', {
+      'width': size.width,
+      'height': size.height,
+    });
+  }
 }

macos/Classes/MacOSWindowUtilsPlugin.swift

@@ -544,7 +544,23 @@ public class MacOSWindowUtilsPlugin: NSObject, FlutterPlugin {
             MainFlutterWindowManipulator.removeToolbarPassthroughView(id: id)
             result(true)
             break
+
+        case "setWindowMinSize":
+            let width = args["width"] as! CGFloat
+            let height = args["height"] as! CGFloat
+
+            MainFlutterWindowManipulator.setWindowMinSize(width: width, height: height)
+            result(true)
+            break
+
+        case "setWindowMaxSize":
+            let width = args["width"] as! CGFloat
+            let height = args["height"] as! CGFloat
 
+            MainFlutterWindowManipulator.setWindowMaxSize(width: width, height: height)
+            result(true)
+            break
+
         default:
             result(FlutterMethodNotImplemented)
             break

macos/Classes/MainFlutterWindowManipulator.swift

@@ -778,4 +778,20 @@ public class MainFlutterWindowManipulator {
 
         passthroughViewHandler.removeToolbarPassthroughView(id: id)
     }
+
+    public static func setWindowMinSize(width: CGFloat, height: CGFloat) {
+        if (self.mainFlutterWindow == nil) {
+            start(mainFlutterWindow: nil)
+        }
+
+        mainFlutterWindow!.minSize = NSMakeSize(width, height)
+    }
+
+    public static func setWindowMaxSize(width: CGFloat, height: CGFloat) {
+        if (self.mainFlutterWindow == nil) {
+            start(mainFlutterWindow: nil)
+        }
+
+        mainFlutterWindow!.maxSize = NSMakeSize(width, height)
+    }
 }