EmojiPickerController class

Controller for EmojiPicker widget that allows reading and changing the selected category programmatically.

Similar to TextEditingController, this controller provides:

• Reading the current selected category
• Setting the category programmatically
• Listening to category changes

Example usage:

final controller = EmojiPickerController();

// Listen to changes
controller.addListener(() {
  print('Category changed to: ${controller.currentCategory}');
});

// Set category programmatically
controller.setCategory(Category.SMILEYS);

// Use with EmojiPicker
EmojiPicker(
  controller: controller,
  // ... other config
)