text_change event for Dropdown and more integration tests (#5591)

* Add size constraints to SearchBar and improve docs

Introduces `bar_size_constraints` to the SearchBar control and theme, allowing optional size constraints. Also updates and expands documentation for SearchBar properties and SearchBarTheme overrides for better clarity and developer guidance.

* Add integration test for SearchBar on macOS

Introduces a new integration test for the SearchBar control, including golden images for its basic and opened states on macOS. The test verifies SearchBar rendering and interaction, ensuring correct UI behavior.

* Add themed SearchBar integration test for macOS

Introduces a new test for SearchBar theming in macOS, including screenshots for normal, hovered, and opened states. Verifies custom theme properties and interaction behaviors.

* Add padding and shrink_wrap options to SearchBar

Introduces viewPadding, viewBarPadding, and shrinkWrap properties to SearchBar and SearchViewTheme for enhanced customization. Updates integration tests and documentation to reflect new options for controlling search view layout and appearance.

* Remove unused ListTile click handlers in SearchBar tests

Eliminated the handle_tile_click function and its usage in SearchBar integration tests, as the click handler is no longer needed. Also added detailed docstrings to NavigationDrawerTheme fields for improved documentation.

* Refactor navigation drawer tests and add theme test

Renamed screenshot files and updated test names for clarity. Added a new test for navigation drawer theme and its corresponding golden image. Refactored fixture usage and screenshot assertions to improve test structure and maintainability.

* Add label_padding to NavigationBar and theme docs

Introduces the label_padding property to NavigationBar and NavigationBarTheme for customizing label padding. Improves and clarifies documentation for NavigationBar, TabBar, SearchBarTheme, SearchViewTheme, and NavigationDrawerTheme properties, including corrections to property references and expanded descriptions.

* Add themed NavigationBar integration tests for macOS

Renamed navigation_bar.png to basic.png and added new golden images for themed NavigationBar states. Updated test_navigation_bar.py to include separate tests for basic and themed NavigationBar, verifying appearance under different theme settings and user interactions.

* Enhance SegmentedButton icon support and tests

Updated SegmentedButton to support both IconData and Control for selected_icon. Improved integration tests for segmented button, added golden images for macOS, and documented SegmentedButtonTheme options. Also clarified NavigationBarTheme test comments.

* Add text change event to Dropdown control

Introduces a text change event handler for the Dropdown control in both Dart and Python implementations. The Dart Dropdown now uses a TextEditingController to track input changes, updating properties and triggering the new 'text_change' event. The Python Dropdown class adds an 'on_text_change' callback for handling text input changes.

* Update dropdown.dart

* Refactor icon test and improve IconTheme docs

Renamed and updated the icon test to use function-scoped async fixtures and improved test isolation. Enhanced documentation for IconTheme properties with detailed docstrings. Removed and replaced golden image files for icon and segmented button tests.

* Add icon theme integration test and fix BoxShadow type

Introduces a new integration test for icon theme settings, including screenshot validation. Updates IconTheme's 'shadows' attribute type from list[BoxShadow] to BoxShadowValue for consistency with usage.

* Improve theme class docstrings and DataTableTheme docs

Refined docstrings for NavigationDrawerTheme, NavigationBarTheme, SegmentedButtonTheme, and IconTheme to clarify scope as app-wide. Expanded DataTableTheme docstring and added detailed documentation for each property, specifying their purpose and corresponding DataTable attributes.

Author: InesaFitsner

client/pubspec.lock

@@ -245,10 +245,10 @@ packages:
     dependency: transitive
     description:
       name: file_picker
-      sha256: ef7d2a085c1b1d69d17b6842d0734aad90156de08df6bd3c12496d0bd6ddf8e2
+      sha256: e7e16c9d15c36330b94ca0e2ad8cb61f93cd5282d0158c09805aed13b5452f22
       url: "https://pub.dev"
     source: hosted
-    version: "10.3.1"
+    version: "10.3.2"
   fixnum:
     dependency: transitive
     description:
@@ -277,7 +277,7 @@ packages:
     description:
       path: "src/flutter/flet_ads"
       ref: main
-      resolved-ref: e847a431388733d6bcd81748c617a3b962c5efa9
+      resolved-ref: aa05773138be06e69353e2a223bd23c51b36dd3f
       url: "https://github.com/flet-dev/flet-ads.git"
     source: git
     version: "0.2.0"
@@ -286,7 +286,7 @@ packages:
     description:
       path: "src/flutter/flet_audio"
       ref: main
-      resolved-ref: "5611fa1ef47c2faeeb6317671932cfd3ee2888c3"
+      resolved-ref: "06fb901f133fab54e603f8039bc9a1d707d19068"
       url: "https://github.com/flet-dev/flet-audio.git"
     source: git
     version: "0.2.0"
@@ -295,7 +295,7 @@ packages:
     description:
       path: "src/flutter/flet_audio_recorder"
       ref: main
-      resolved-ref: "10c9108060410c3c4e2435311c8e4ee70daf24bf"
+      resolved-ref: "62a1934a34514e92617f4e090b53828474f5969e"
       url: "https://github.com/flet-dev/flet-audio-recorder.git"
     source: git
     version: "0.2.0"
@@ -313,7 +313,7 @@ packages:
     description:
       path: "src/flutter/flet_datatable2"
       ref: main
-      resolved-ref: ebd7adc75486b276df382ae6401037c45a6df2a3
+      resolved-ref: bf6af9c7a9c1962c36512ff5ab48eec9f14ef81a
       url: "https://github.com/flet-dev/flet-datatable2.git"
     source: git
     version: "0.1.0"
@@ -322,7 +322,7 @@ packages:
     description:
       path: "src/flutter/flet_flashlight"
       ref: main
-      resolved-ref: "88fb80a6b4032956282a4be9c60f3c25f3cfccb5"
+      resolved-ref: def30504c3ed6786dc2a1fdb4f18b226a284a7d2
       url: "https://github.com/flet-dev/flet-flashlight.git"
     source: git
     version: "0.2.0"
@@ -331,7 +331,7 @@ packages:
     description:
       path: "src/flutter/flet_geolocator"
       ref: main
-      resolved-ref: "94ed74df1a8b791d0afaccc2f9caac3456698f78"
+      resolved-ref: "25efd0a9d15f23bf284912814a131388f8de9ec4"
       url: "https://github.com/flet-dev/flet-geolocator.git"
     source: git
     version: "0.25.2"
@@ -340,7 +340,7 @@ packages:
     description:
       path: "src/flutter/flet_lottie"
       ref: main
-      resolved-ref: "86eaa0b59f3cc54f9b2fb57abce9c0d22de253ca"
+      resolved-ref: "5187fcf6bcb37f4bfa59cad127f6444d40cdb48c"
       url: "https://github.com/flet-dev/flet-lottie.git"
     source: git
     version: "0.2.0"
@@ -349,7 +349,7 @@ packages:
     description:
       path: "src/flutter/flet_map"
       ref: main
-      resolved-ref: "8507cda6616f555974fbdcd3df05c3f2b02c043f"
+      resolved-ref: d79ebf24ebad208a543b73a7f7511cd4da1d7ea9
       url: "https://github.com/flet-dev/flet-map.git"
     source: git
     version: "0.2.0"
@@ -358,7 +358,7 @@ packages:
     description:
       path: "src/flutter/flet_permission_handler"
       ref: main
-      resolved-ref: "2a56423dd77d220a0067f4097f9e25659b2f9b36"
+      resolved-ref: dbd04f183b8452a5247f2807007cc40a2381a172
       url: "https://github.com/flet-dev/flet-permission-handler.git"
     source: git
     version: "0.2.0"
@@ -367,7 +367,7 @@ packages:
     description:
       path: "src/flutter/flet_rive"
       ref: main
-      resolved-ref: "67256e81ec7c906ae03790b0c180c9be018ed7a4"
+      resolved-ref: "6d78b068940afa5126fc38374ea326e710d43862"
       url: "https://github.com/flet-dev/flet-rive.git"
     source: git
     version: "0.2.0"
@@ -376,7 +376,7 @@ packages:
     description:
       path: "src/flutter/flet_video"
       ref: main
-      resolved-ref: a086b89d74f96e052a450d6c2a50c812a035ce45
+      resolved-ref: abeea4e9a3a2864299743726b26d5a245a4389d6
       url: "https://github.com/flet-dev/flet-video.git"
     source: git
     version: "0.2.0"
@@ -385,7 +385,7 @@ packages:
     description:
       path: "src/flutter/flet_webview"
       ref: main
-      resolved-ref: "9e2b64171f81cbe72a8a61ee9ba9d2af69587837"
+      resolved-ref: cb3d07bfb84ae1b51be25388ca04c03a9dafd7f3
       url: "https://github.com/flet-dev/flet-webview.git"
     source: git
     version: "0.2.0"
@@ -1028,18 +1028,18 @@ packages:
     dependency: transitive
     description:
       name: record_android
-      sha256: "8b170e33d9866f9b51e01a767d7e1ecb97b9ecd629950bd87a47c79359ec57f8"
+      sha256: "8361a791c9a3fa5c065f0b8b5adb10f12531f8538c86b19474cf7b56ea80d426"
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   record_ios:
     dependency: transitive
     description:
       name: record_ios
-      sha256: ad97d0a75933c44bcf5aff648e86e32fc05eb61f8fbef190f14968c8eaf86692
+      sha256: "13e241ed9cbc220534a40ae6b66222e21288db364d96dd66fb762ebd3cb77c71"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.2"
   record_linux:
     dependency: transitive
     description:
@@ -1052,10 +1052,10 @@ packages:
     dependency: transitive
     description:
       name: record_macos
-      sha256: f1399bca76a1634da109e5b0cba764ed8332a2b4da49c704c66d2c553405ed81
+      sha256: "2849068bb59072f300ad63ed146e543d66afaef8263edba4de4834fc7c8d4d35"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   record_platform_interface:
     dependency: transitive
     description:
@@ -1076,10 +1076,10 @@ packages:
     dependency: transitive
     description:
       name: record_windows
-      sha256: "85a22fc97f6d73ecd67c8ba5f2f472b74ef1d906f795b7970f771a0914167e99"
+      sha256: "223258060a1d25c62bae18282c16783f28581ec19401d17e56b5205b9f039d78"
       url: "https://pub.dev"
     source: hosted
-    version: "1.0.6"
+    version: "1.0.7"
   rive:
     dependency: transitive
     description:

packages/flet/lib/src/controls/dropdown.dart

@@ -15,13 +15,27 @@ class DropdownControl extends StatefulWidget {
 
 class _DropdownControlState extends State<DropdownControl> {
   late final FocusNode _focusNode;
+  late final TextEditingController _controller;
 
   @override
   void initState() {
     super.initState();
     _focusNode = FocusNode();
+
+    _controller =
+        TextEditingController(text: widget.control.getString("value"));
     _focusNode.addListener(_onFocusChange);
     widget.control.addInvokeMethodListener(_invokeMethod);
+
+    _controller.addListener(_onTextChange);
+  }
+
+  void _onTextChange() {
+    debugPrint("Typed text: ${_controller.text}");
+    if (_controller.text != widget.control.getString("value")) {
+      widget.control.updateProperties({"value": _controller.text});
+      widget.control.triggerEvent("text_change", _controller.text);
+    }
   }
 
   void _onFocusChange() {
@@ -33,6 +47,7 @@ class _DropdownControlState extends State<DropdownControl> {
     _focusNode.removeListener(_onFocusChange);
     _focusNode.dispose();
     widget.control.removeInvokeMethodListener(_invokeMethod);
+    _controller.dispose();
     super.dispose();
   }
 
@@ -182,6 +197,7 @@ class _DropdownControlState extends State<DropdownControl> {
     Widget dropDown = DropdownMenu<String>(
       enabled: !widget.control.disabled,
       focusNode: _focusNode,
+      controller: _controller,
       initialSelection: value,
       enableFilter: widget.control.getBool("enable_filter", false)!,
       enableSearch: widget.control.getBool("enable_search", true)!,

packages/flet/lib/src/controls/search_bar.dart

@@ -171,6 +171,9 @@ class _SearchBarControlState extends State<SearchBarControl> {
         headerTextStyle:
             widget.control.getTextStyle("view_header_text_style", theme),
         viewSide: widget.control.getBorderSide("view_side", theme),
+        viewPadding: widget.control.getPadding("view_padding"),
+        viewBarPadding: widget.control.getPadding("view_bar_padding"),
+        shrinkWrap: widget.control.getBool("shrink_wrap"),
         isFullScreen: widget.control.getBool("full_screen", false),
         viewBackgroundColor: widget.control.getColor("view_bgcolor", context),
         dividerColor: widget.control.getColor("divider_color", context),
@@ -208,6 +211,8 @@ class _SearchBarControlState extends State<SearchBarControl> {
             shape:
                 widget.control.getWidgetStateOutlinedBorder("bar_shape", theme),
             padding: widget.control.getWidgetStatePadding("bar_padding"),
+            constraints:
+                widget.control.getBoxConstraints("bar_size_constraints"),
             textStyle:
                 widget.control.getWidgetStateTextStyle("bar_text_style", theme),
             hintStyle: widget.control

packages/flet/lib/src/controls/segmented_button.dart

@@ -84,7 +84,7 @@ class _SegmentedButtonControlState extends State<SegmentedButtonControl>
         selected: selected,
         showSelectedIcon: widget.control.getBool("show_selected_icon", true)!,
         style: style,
-        selectedIcon: widget.control.buildWidget("selected_icon"),
+        selectedIcon: widget.control.buildIconOrWidget("selected_icon"),
         onSelectionChanged: !widget.control.disabled
             ? (newSelection) => onChange(newSelection)
             : null,