Simplify Freya.

[suoyukii]

I've recently learned about other Rust GUI, and the code below is referenced from other GUI, which can make the code look better.

Current code:

Menu::new()             // -> Menu
MenuButton::new()       // -> MenuButton
LinearGradient::new()   // -> LinearGradient

// context_menu() -> Menu
ContextMenu::open(context_menu())

Expected code:

menu()                  // -> Menu
menu_button()           // -> MenuButton
linear_gradient()       // -> LinearGradient

// context_menu() -> Menu
context_menu().open()

[marc2332]

Simplify does not always mean better readability.

Issues with your proposal:

• Harder to spot
• No clear distinction between components and elements
• Harder to discover new APIs, now you have floating functions, instead of associated methods in a struct

I will not change this