Tab alignment bug fix

package/lib/src/controls/tabs.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 
+import 'package:flet/src/utils/alignment.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 
@@ -136,9 +137,14 @@ class _TabsControlState extends State<TabsControl>
 
           var indicatorTabSize = widget.control.attrBool("indicatorTabSize");
 
+          var isScrollable = widget.control.attrBool("scrollable", true)!;
+          var tabAlignment = parseTabAlignment(widget.control, "tabAlignment",
+              isScrollable ? TabAlignment.start : TabAlignment.fill);
+
           var tabBar = TabBar(
+              tabAlignment: tabAlignment,
               controller: _tabController,
-              isScrollable: widget.control.attrBool("scrollable", true)!,
+              isScrollable: isScrollable,
               dividerColor:
                   HexColor.fromString(Theme.of(context), widget.control.attrString("dividerColor", "")!) ??
                       TabBarTheme.of(context).dividerColor,

package/lib/src/utils/alignment.dart

@@ -1,6 +1,6 @@
 import 'dart:convert';
 
-import 'package:flutter/widgets.dart';
+import 'package:flutter/material.dart';
 
 import '../models/control.dart';
 import 'numbers.dart';
@@ -23,6 +23,15 @@ CrossAxisAlignment parseCrossAxisAlignment(
       orElse: () => defValue);
 }
 
+TabAlignment parseTabAlignment(
+    Control control, String propName, TabAlignment defValue) {
+  return TabAlignment.values.firstWhere(
+      (e) =>
+          e.name.toLowerCase() ==
+          control.attrString(propName, "")!.toLowerCase(),
+      orElse: () => defValue);
+}
+
 WrapAlignment parseWrapAlignment(
     Control control, String propName, WrapAlignment defValue) {
   return WrapAlignment.values.firstWhere(

sdk/python/packages/flet-core/src/flet_core/__init__.py

@@ -214,6 +214,7 @@
     PaddingValue,
     PageDesignLanguage,
     ScrollMode,
+    TabAlignment,
     TextAlign,
     ThemeMode,
 )

sdk/python/packages/flet-core/src/flet_core/tabs.py

@@ -14,6 +14,7 @@
     ResponsiveNumber,
     RotateValue,
     ScaleValue,
+    TabAlignment,
 )
 
 
@@ -162,6 +163,7 @@ def __init__(
         tabs: Optional[List[Tab]] = None,
         selected_index: Optional[int] = None,
         scrollable: Optional[bool] = None,
+        tab_alignment: Optional[TabAlignment] = None,
         animation_duration: Optional[int] = None,
         divider_color: Optional[str] = None,
         indicator_color: Optional[str] = None,
@@ -206,6 +208,7 @@ def __init__(
         self.tabs = tabs
         self.selected_index = selected_index
         self.scrollable = scrollable
+        self.tab_alignment = tab_alignment
         self.animation_duration = animation_duration
         self.divider_color = divider_color
         self.label_color = label_color
@@ -267,6 +270,16 @@ def scrollable(self) -> Optional[bool]:
     def scrollable(self, value: Optional[bool]):
         self._set_attr("scrollable", value)
 
+    # tab_alignment
+    @property
+    def tab_alignment(self) -> Optional[TabAlignment]:
+        return self.__tab_alignment
+
+    @tab_alignment.setter
+    def tab_alignment(self, value: Optional[TabAlignment]):
+        self.__tab_alignment = value
+        self._set_attr("tabAlignment", value.value if value is not None else None)
+
     # animation_duration
     @property
     def animation_duration(self) -> Optional[int]:

sdk/python/packages/flet-core/src/flet_core/types.py

@@ -139,6 +139,14 @@ class CrossAxisAlignment(Enum):
     BASELINE = "baseline"
 
 
+class TabAlignment(Enum):
+    NONE = None
+    START = "start"
+    START_OFFSET = "startOffset"
+    FILL = "fill"
+    CENTER = "center"
+
+
 LabelPositionString = Literal[None, "right", "left"]