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|
use crate::{
Bus, Color, Element, Font, HorizontalAlignment, Length, VerticalAlignment,
Widget,
};
use dodrio::bumpalo;
/// A paragraph of text.
///
/// # Example
///
/// ```
/// # use iced_web::Text;
///
/// Text::new("I <3 iced!")
/// .size(40);
/// ```
#[derive(Debug, Clone)]
pub struct Text {
content: String,
size: Option<u16>,
color: Option<Color>,
font: Font,
width: Length,
height: Length,
horizontal_alignment: HorizontalAlignment,
vertical_alignment: VerticalAlignment,
}
impl Text {
/// Create a new fragment of [`Text`] with the given contents.
///
/// [`Text`]: struct.Text.html
pub fn new<T: Into<String>>(label: T) -> Self {
Text {
content: label.into(),
size: None,
color: None,
font: Font::Default,
width: Length::Fill,
height: Length::Shrink,
horizontal_alignment: HorizontalAlignment::Left,
vertical_alignment: VerticalAlignment::Top,
}
}
/// Sets the size of the [`Text`].
///
/// [`Text`]: struct.Text.html
pub fn size(mut self, size: u16) -> Self {
self.size = Some(size);
self
}
/// Sets the [`Color`] of the [`Text`].
///
/// [`Text`]: struct.Text.html
/// [`Color`]: ../../struct.Color.html
pub fn color<C: Into<Color>>(mut self, color: C) -> Self {
self.color = Some(color.into());
self
}
/// Sets the [`Font`] of the [`Text`].
///
/// [`Text`]: struct.Text.html
/// [`Font`]: ../../struct.Font.html
pub fn font(mut self, font: Font) -> Self {
self.font = font;
self
}
/// Sets the width of the [`Text`] boundaries.
///
/// [`Text`]: struct.Text.html
pub fn width(mut self, width: Length) -> Self {
self.width = width;
self
}
/// Sets the height of the [`Text`] boundaries.
///
/// [`Text`]: struct.Text.html
pub fn height(mut self, height: Length) -> Self {
self.height = height;
self
}
/// Sets the [`HorizontalAlignment`] of the [`Text`].
///
/// [`Text`]: struct.Text.html
/// [`HorizontalAlignment`]: enum.HorizontalAlignment.html
pub fn horizontal_alignment(
mut self,
alignment: HorizontalAlignment,
) -> Self {
self.horizontal_alignment = alignment;
self
}
/// Sets the [`VerticalAlignment`] of the [`Text`].
///
/// [`Text`]: struct.Text.html
/// [`VerticalAlignment`]: enum.VerticalAlignment.html
pub fn vertical_alignment(mut self, alignment: VerticalAlignment) -> Self {
self.vertical_alignment = alignment;
self
}
}
impl<'a, Message> Widget<Message> for Text {
fn node<'b>(
&self,
bump: &'b bumpalo::Bump,
_publish: &Bus<Message>,
) -> dodrio::Node<'b> {
use dodrio::builder::*;
let content = bumpalo::format!(in bump, "{}", self.content);
let size = bumpalo::format!(in bump, "font-size: {}px", self.size.unwrap_or(20));
// TODO: Complete styling
p(bump)
.attr("style", size.into_bump_str())
.children(vec![text(content.into_bump_str())])
.finish()
}
}
impl<'a, Message> From<Text> for Element<'a, Message> {
fn from(text: Text) -> Element<'a, Message> {
Element::new(text)
}
}
|
