Update WindowCaption widget

Author: lijy91

example/lib/themes/dark_theme.dart

@@ -2,4 +2,7 @@ import 'package:flutter/material.dart';
 
 var darkThemeData = ThemeData(
   brightness: Brightness.dark,
+  primaryColor: Color(0xff416ff4),
+  canvasColor: Color(0xff282828),
+  scaffoldBackgroundColor: Color(0xff1d1d1d),
 );

example/lib/themes/light_theme.dart

@@ -2,4 +2,8 @@ import 'package:flutter/material.dart';
 
 var lightThemeData = ThemeData(
   brightness: Brightness.light,
+  primaryColor: Color(0xff416ff4),
+  canvasColor: Colors.white,
+  scaffoldBackgroundColor: Color(0xffF7F9FB),
+  dividerColor: Colors.grey.withOpacity(0.3),
 );

example/lib/utils/config.dart

@@ -26,6 +26,8 @@ class WindowCaption extends StatefulWidget {
 }
 
 class _WindowCaptionState extends State<WindowCaption> with WindowListener {
+  bool _isMaximized = false;
+
   @override
   void initState() {
     windowManager.addListener(this);
@@ -67,7 +69,7 @@ class _WindowCaptionState extends State<WindowCaption> with WindowListener {
                             color: widget.brightness == Brightness.light
                                 ? Colors.black.withOpacity(0.8956)
                                 : Colors.white,
-                            fontSize: 12,
+                            fontSize: 14,
                           ),
                           child: widget.title ?? Container(),
                         ),
@@ -87,17 +89,20 @@ class _WindowCaptionState extends State<WindowCaption> with WindowListener {
                   }
                 },
               ),
-              WindowCaptionButton.maximize(
-                brightness: widget.brightness,
-                onPressed: () async {
-                  bool isMaximized = await windowManager.isMaximized();
-                  if (isMaximized) {
-                    windowManager.unmaximize();
-                  } else {
+              if (!_isMaximized)
+                WindowCaptionButton.maximize(
+                  brightness: widget.brightness,
+                  onPressed: () {
                     windowManager.maximize();
-                  }
-                },
-              ),
+                  },
+                )
+              else
+                WindowCaptionButton.unmaximize(
+                  brightness: widget.brightness,
+                  onPressed: () {
+                    windowManager.unmaximize();
+                  },
+                ),
               WindowCaptionButton.close(
                 brightness: widget.brightness,
                 onPressed: () {
@@ -110,4 +115,16 @@ class _WindowCaptionState extends State<WindowCaption> with WindowListener {
       ),
     );
   }
+
+  @override
+  void onWindowMaximize() {
+    _isMaximized = true;
+    setState(() {});
+  }
+
+  @override
+  void onWindowUnmaximize() {
+    _isMaximized = false;
+    setState(() {});
+  }
 }

images/ic_chrome_close.png

@@ -17,8 +17,9 @@ class WindowCaptionButtonIcon extends StatelessWidget {
     return Image.asset(
       name,
       package: package,
-      width: 16,
+      width: 15,
       color: color,
+      filterQuality: FilterQuality.high,
     );
   }
 }
@@ -76,6 +77,14 @@ class WindowCaptionButton extends StatefulWidget {
   })  : this.iconName = 'images/ic_chrome_maximize.png',
         super(key: key);
 
+  WindowCaptionButton.unmaximize({
+    Key? key,
+    this.brightness,
+    this.icon,
+    this.onPressed,
+  })  : this.iconName = 'images/ic_chrome_unmaximize.png',
+        super(key: key);
+
   WindowCaptionButton.close({
     Key? key,
     this.brightness,
@@ -144,10 +153,6 @@ class _WindowCaptionButtonState extends State<WindowCaptionButton> {
       bgColor = widget.buttonBgColorScheme.pressed;
       iconColor = widget.buttonIconColorScheme.pressed;
     }
-    // if (widget.onPressed == null) {
-    //   bgColor = widget.buttonBgColorScheme.normal;
-    //   iconColor = widget.buttonIconColorScheme.disabled;
-    // }
 
     return MouseRegion(
       onExit: (value) => _onEntered(hovered: false),

images/ic_chrome_maximize.png

@@ -28,3 +28,4 @@ flutter:
     - images/ic_chrome_close.png
     - images/ic_chrome_maximize.png
     - images/ic_chrome_minimize.png
+    - images/ic_chrome_unmaximize.png