Function IconButton 

pub fn IconButton(props: IconButtonProps) -> impl IntoView

只有图标的方形按钮。label 必填：作为读屏名称，同时显示为悬浮提示； shortcut 会跟在提示文字后面。

Required Props

• icon: impl Into<Signal<IconName>>
• label: impl Into<Signal<String>>

Optional Props

• variant: impl Into<Signal<ButtonVariant>>
• size: ButtonSize
• disabled: impl Into<Signal<bool>>
• pressed: impl Into<Signal<Option<bool>>>
• shortcut: [impl Into<MaybeProp<&'static str>>](MaybeProp<&’static str>)
• tooltip_placement: impl Into<Signal<String>>
• tooltip_align: impl Into<Signal<String>>
• class: impl Into<Signal<String>>
• onclick: impl Into<Callback<MouseEvent>>