Added Flutter IconData class

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

@@ -18,7 +18,7 @@ class IconControl extends StatelessWidget {
     return constrainedControl(
         context,
         Icon(
-          parseIcon(control.attrString("name", "")!),
+          parseIcon(control.attrString("icon", "")!),
           size: control.attrDouble("size"),
           color: control.attrColor("color", context),
           semanticLabel: control.attrString("semanticsLabel"),

packages/flet/lib/src/utils/icons.dart

@@ -7,11 +7,32 @@ import 'cupertino_icons.dart';
 import 'material_icons.dart';
 import 'material_state.dart';
 
-IconData? parseIcon(String? iconName, [IconData? defaultIcon]) {
-  if (iconName == null) {
+IconData? parseIcon(String? icon, [IconData? defaultIcon]) {
+  if (icon == null) {
     return defaultIcon;
   }
-  return materialIcons[iconName.toLowerCase()] ?? cupertinoIcons[iconName.toLowerCase()];
+
+  final j1 = json.decode(icon);
+  return iconDataFromJson(j1, defaultIcon);
+}
+
+
+IconData? iconDataFromJson(dynamic json, [IconData? defaultIcon]) {
+  if (json == null) {
+    return defaultIcon;
+  } else if (json is String) {
+    String icon = json.toLowerCase();
+    return materialIcons[icon] ?? cupertinoIcons[icon];
+  }
+  return IconData(
+    json['code_point'] as int,
+    fontFamily: json['font_family'] as String?,
+    fontPackage: json['font_package'] as String?,
+    matchTextDirection: json['match_text_direction'] as bool? ?? false,
+    fontFamilyFallback: (json['font_family_fallback'] as List<dynamic>?)
+        ?.map((item) => item as String)
+        .toList(),
+  );
 }
 
 WidgetStateProperty<Icon?>? parseWidgetStateIcon(

sdk/python/packages/flet/src/flet/core/control.py

@@ -194,12 +194,12 @@ def _set_attr_json(self, name: str, value: V, wrap_attr_dict: bool = False) -> N
         if ov != nv:
             self._set_attr(name, nv)
 
+    def _set_attr_icon(self, name: str, value) -> None:
+        self._set_attr_json(name, value.value if isinstance(value, Enum) else value)
+
     def _convert_attr_json(self, value: V) -> Optional[str]:
-        return (
-            json.dumps(value, cls=EmbedJsonEncoder, separators=(",", ":"))
-            if value is not None
-            else None
-        )
+        if value is not None:
+            return json.dumps(value, cls=EmbedJsonEncoder, separators=(",", ":"))
 
     def _wrap_attr_dict(self, value: Optional[Union[Dict, Any]]) -> Optional[Dict]:
         if value is None or isinstance(value, Dict):

sdk/python/packages/flet/src/flet/core/cupertino_button.py

@@ -167,7 +167,7 @@ def icon(self):
     @icon.setter
     def icon(self, value):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_color
     @property

sdk/python/packages/flet/src/flet/core/cupertino_context_menu_action.py

@@ -81,7 +81,7 @@ def trailing_icon(self) -> Optional[IconValue]:
     @trailing_icon.setter
     def trailing_icon(self, value: Optional[IconValue]):
         self.__trailing_icon = value
-        self._set_enum_attr("trailingIcon", value, IconEnums)
+        self._set_attr_icon("trailingIcon", value)
 
     # text
     @property

sdk/python/packages/flet/src/flet/core/date_picker.py

@@ -321,7 +321,7 @@ def switch_to_calendar_icon(self) -> Optional[IconValue]:
     @switch_to_calendar_icon.setter
     def switch_to_calendar_icon(self, value: Optional[IconValue]):
         self.__switch_to_calendar_icon = value
-        self._set_enum_attr("switchToCalendarEntryModeIcon", value, IconEnums)
+        self._set_attr_icon("switchToCalendarEntryModeIcon", value)
 
     # switch_to_input_icon
     @property
@@ -331,7 +331,7 @@ def switch_to_input_icon(self) -> Optional[IconValue]:
     @switch_to_input_icon.setter
     def switch_to_input_icon(self, value: Optional[IconValue]):
         self.__switch_to_input_icon = value
-        self._set_enum_attr("switchToInputEntryModeIcon", value, IconEnums)
+        self._set_attr_icon("switchToInputEntryModeIcon", value)
 
     # on_change
     @property

sdk/python/packages/flet/src/flet/core/dropdown.py

@@ -424,7 +424,7 @@ def select_icon(self) -> Optional[IconValueOrControl]:
     @select_icon.setter
     def select_icon(self, value: Optional[IconValueOrControl]):
         self.__select_icon = value
-        self._set_enum_attr("selectIcon", value, IconEnums)
+        self._set_attr_icon("selectIcon", value)
 
     # icon_content
     @property

sdk/python/packages/flet/src/flet/core/elevated_button.py

@@ -237,7 +237,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_color
     @property

sdk/python/packages/flet/src/flet/core/floating_action_button.py

@@ -212,7 +212,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # bgcolor
     @property

sdk/python/packages/flet/src/flet/core/form_field_control.py

@@ -230,11 +230,11 @@ def before_update(self):
         )
         self._set_attr_json("sizeConstraints", self.__size_constraints)
         if isinstance(self.__suffix_icon, str):
-            self._set_attr("suffixIcon", self.__suffix_icon)
+            self._set_attr_icon("suffixIcon", self.__suffix_icon)
         if isinstance(self.__prefix_icon, str):
-            self._set_attr("prefixIcon", self.__prefix_icon)
+            self._set_attr_icon("prefixIcon", self.__prefix_icon)
         if isinstance(self.__icon, str):
-            self._set_attr("icon", self.__icon)
+            self._set_attr_icon("icon", self.__icon)
         if isinstance(self.__label, str):
             self._set_attr("label", self.__label)
 
@@ -300,7 +300,7 @@ def icon(self) -> Optional[IconValueOrControl]:
     @icon.setter
     def icon(self, value: Optional[IconValueOrControl]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # border
     @property
@@ -653,7 +653,7 @@ def prefix_icon(self) -> Optional[IconValueOrControl]:
     @prefix_icon.setter
     def prefix_icon(self, value: Optional[IconValueOrControl]):
         self.__prefix_icon = value
-        self._set_enum_attr("prefixIcon", value, IconEnums)
+        self._set_attr_icon("prefixIcon", value)
 
     # prefix_text
     @property
@@ -690,7 +690,7 @@ def suffix_icon(self) -> Optional[IconValueOrControl]:
     @suffix_icon.setter
     def suffix_icon(self, value: Optional[IconValueOrControl]):
         self.__suffix_icon = value
-        self._set_enum_attr("suffixIcon", value, IconEnums)
+        self._set_attr_icon("suffixIcon", value)
 
     # suffix_text
     @property

sdk/python/packages/flet/src/flet/core/icon.py

@@ -53,7 +53,7 @@ def main(page: ft.Page):
 
     def __init__(
         self,
-        name: Optional[IconValue] = None,
+        icon: Optional[IconValue] = None,
         color: Optional[ColorValue] = None,
         size: OptionalNumber = None,
         semantics_label: Optional[str] = None,
@@ -135,13 +135,13 @@ def before_update(self):
 
     # name
     @property
-    def name(self) -> Optional[IconValue]:
-        return self.__name
+    def icon(self) -> Optional[IconValue]:
+        return self.__icon
 
-    @name.setter
-    def name(self, value: Optional[IconValue]):
-        self.__name = value
-        self._set_enum_attr("name", value, IconEnums)
+    @icon.setter
+    def icon(self, value: Optional[IconValue]):
+        self.__icon = value
+        self._set_attr_icon("icon", value)
 
     # color
     @property

sdk/python/packages/flet/src/flet/core/icon_button.py

@@ -223,7 +223,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # selected_icon
     @property
@@ -233,7 +233,7 @@ def selected_icon(self) -> Optional[IconValue]:
     @selected_icon.setter
     def selected_icon(self, value: Optional[IconValue]):
         self.__selected_icon = value
-        self._set_enum_attr("selectedIcon", value, IconEnums)
+        self._set_attr_icon("selectedIcon", value)
 
     # icon_size
     @property

sdk/python/packages/flet/src/flet/core/icon_data.py

@@ -0,0 +1,11 @@
+from dataclasses import dataclass
+from typing import Optional, List
+
+
+@dataclass
+class IconData:
+    code_point: int
+    font_family: Optional[str] = None
+    font_package: Optional[str] = None
+    match_text_direction: bool = False
+    font_family_fallback: Optional[List[str]] = None

sdk/python/packages/flet/src/flet/core/navigation_bar.py

@@ -104,7 +104,7 @@ def icon(self) -> Optional[IconValueOrControl]:
     @icon.setter
     def icon(self, value: Optional[IconValueOrControl]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_content
     @property
@@ -136,7 +136,7 @@ def selected_icon(self) -> Optional[IconValueOrControl]:
     @selected_icon.setter
     def selected_icon(self, value: Optional[IconValueOrControl]):
         self.__selected_icon = value
-        self._set_enum_attr("selectedIcon", value, IconEnums)
+        self._set_attr_icon("selectedIcon", value)
 
     # selected_icon_content
     @property

sdk/python/packages/flet/src/flet/core/navigation_drawer.py

@@ -88,7 +88,7 @@ def icon(self) -> Optional[IconValueOrControl]:
     @icon.setter
     def icon(self, value: Optional[IconValueOrControl]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_content
     @property
@@ -120,7 +120,7 @@ def selected_icon(self) -> Optional[IconValueOrControl]:
     @selected_icon.setter
     def selected_icon(self, value: Optional[IconValueOrControl]):
         self.__selected_icon = value
-        self._set_enum_attr("selectedIcon", value, IconEnums)
+        self._set_attr_icon("selectedIcon", value)
 
     # selected_icon_content
     @property

sdk/python/packages/flet/src/flet/core/navigation_rail.py

@@ -98,7 +98,7 @@ def icon(self) -> Optional[IconValueOrControl]:
     @icon.setter
     def icon(self, value: Optional[IconValueOrControl]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_content
     @property
@@ -130,7 +130,7 @@ def selected_icon(self) -> Optional[IconValueOrControl]:
     @selected_icon.setter
     def selected_icon(self, value: Optional[IconValueOrControl]):
         self.__selected_icon = value
-        self._set_enum_attr("selectedIcon", value, IconEnums)
+        self._set_attr_icon("selectedIcon", value)
 
     # selected_icon_content
     @property

sdk/python/packages/flet/src/flet/core/outlined_button.py

@@ -185,7 +185,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_color
     @property

sdk/python/packages/flet/src/flet/core/popup_menu_button.py

@@ -105,7 +105,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # text
     @property
@@ -379,7 +379,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_color
     @property

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

@@ -74,7 +74,7 @@ def before_update(self):
         super().before_update()
         self._set_attr_json("iconMargin", self.__icon_margin)
         if isinstance(self.__icon, IconValue):
-            self._set_enum_attr("icon", self.__icon, IconEnums)
+            self._set_attr_icon("icon", self.__icon)
 
     # text
     @property

sdk/python/packages/flet/src/flet/core/text_button.py

@@ -179,7 +179,7 @@ def icon(self) -> Optional[IconValue]:
     @icon.setter
     def icon(self, value: Optional[IconValue]):
         self.__icon = value
-        self._set_enum_attr("icon", value, IconEnums)
+        self._set_attr_icon("icon", value)
 
     # icon_color
     @property

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

@@ -10,6 +10,7 @@
 from flet.core.cupertino_colors import CupertinoColors, cupertino_colors
 from flet.core.cupertino_icons import CupertinoIcons, cupertino_icons
 from flet.core.event import Event
+from flet.core.icon_data import IconData
 from flet.core.icons import Icons, icons
 from flet.core.margin import Margin
 from flet.core.padding import Padding
@@ -406,7 +407,7 @@ class LocaleConfiguration:
 
 # Icons
 IconEnums = (icons, Icons, cupertino_icons, CupertinoIcons)
-IconValue = Union[str, icons, Icons, cupertino_icons, CupertinoIcons]
+IconValue = Union[str, icons, Icons, cupertino_icons, CupertinoIcons, IconData]
 IconValueOrControl = Union[IconValue, "Control"]
 
 # ControlState