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Diffstat (limited to 'native/src/widget/text.rs')
| -rw-r--r-- | native/src/widget/text.rs | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/native/src/widget/text.rs b/native/src/widget/text.rs deleted file mode 100644 index aede754a..00000000 --- a/native/src/widget/text.rs +++ /dev/null @@ -1,263 +0,0 @@ -//! Write some text for your users to read. -use crate::alignment; -use crate::layout; -use crate::renderer; -use crate::text; -use crate::widget::Tree; -use crate::{Element, Layout, Length, Pixels, Point, Rectangle, Size, Widget}; - -use std::borrow::Cow; - -pub use iced_style::text::{Appearance, StyleSheet}; - -/// A paragraph of text. -/// -/// # Example -/// -/// ``` -/// # use iced_native::Color; -/// # -/// # type Text<'a> = iced_native::widget::Text<'a, iced_native::renderer::Null>; -/// # -/// Text::new("I <3 iced!") -/// .size(40) -/// .style(Color::from([0.0, 0.0, 1.0])); -/// ``` -/// -///  -#[allow(missing_debug_implementations)] -pub struct Text<'a, Renderer> -where - Renderer: text::Renderer, - Renderer::Theme: StyleSheet, -{ - content: Cow<'a, str>, - size: Option<f32>, - width: Length, - height: Length, - horizontal_alignment: alignment::Horizontal, - vertical_alignment: alignment::Vertical, - font: Option<Renderer::Font>, - style: <Renderer::Theme as StyleSheet>::Style, -} - -impl<'a, Renderer> Text<'a, Renderer> -where - Renderer: text::Renderer, - Renderer::Theme: StyleSheet, -{ - /// Create a new fragment of [`Text`] with the given contents. - pub fn new(content: impl Into<Cow<'a, str>>) -> Self { - Text { - content: content.into(), - size: None, - font: None, - width: Length::Shrink, - height: Length::Shrink, - horizontal_alignment: alignment::Horizontal::Left, - vertical_alignment: alignment::Vertical::Top, - style: Default::default(), - } - } - - /// Sets the size of the [`Text`]. - pub fn size(mut self, size: impl Into<Pixels>) -> Self { - self.size = Some(size.into().0); - self - } - - /// Sets the [`Font`] of the [`Text`]. - /// - /// [`Font`]: crate::text::Renderer::Font - pub fn font(mut self, font: impl Into<Renderer::Font>) -> Self { - self.font = Some(font.into()); - self - } - - /// Sets the style of the [`Text`]. - pub fn style( - mut self, - style: impl Into<<Renderer::Theme as StyleSheet>::Style>, - ) -> Self { - self.style = style.into(); - self - } - - /// Sets the width of the [`Text`] boundaries. - pub fn width(mut self, width: impl Into<Length>) -> Self { - self.width = width.into(); - self - } - - /// Sets the height of the [`Text`] boundaries. - pub fn height(mut self, height: impl Into<Length>) -> Self { - self.height = height.into(); - self - } - - /// Sets the [`alignment::Horizontal`] of the [`Text`]. - pub fn horizontal_alignment( - mut self, - alignment: alignment::Horizontal, - ) -> Self { - self.horizontal_alignment = alignment; - self - } - - /// Sets the [`alignment::Vertical`] of the [`Text`]. - pub fn vertical_alignment( - mut self, - alignment: alignment::Vertical, - ) -> Self { - self.vertical_alignment = alignment; - self - } -} - -impl<'a, Message, Renderer> Widget<Message, Renderer> for Text<'a, Renderer> -where - Renderer: text::Renderer, - Renderer::Theme: StyleSheet, -{ - fn width(&self) -> Length { - self.width - } - - fn height(&self) -> Length { - self.height - } - - fn layout( - &self, - renderer: &Renderer, - limits: &layout::Limits, - ) -> layout::Node { - let limits = limits.width(self.width).height(self.height); - - let size = self.size.unwrap_or_else(|| renderer.default_size()); - - let bounds = limits.max(); - - let (width, height) = renderer.measure( - &self.content, - size, - self.font.unwrap_or_else(|| renderer.default_font()), - bounds, - ); - - let size = limits.resolve(Size::new(width, height)); - - layout::Node::new(size) - } - - fn draw( - &self, - _state: &Tree, - renderer: &mut Renderer, - theme: &Renderer::Theme, - style: &renderer::Style, - layout: Layout<'_>, - _cursor_position: Point, - _viewport: &Rectangle, - ) { - draw( - renderer, - style, - layout, - &self.content, - self.size, - self.font, - theme.appearance(self.style), - self.horizontal_alignment, - self.vertical_alignment, - ); - } -} - -/// Draws text using the same logic as the [`Text`] widget. -/// -/// Specifically: -/// -/// * If no `size` is provided, the default text size of the `Renderer` will be -/// used. -/// * If no `color` is provided, the [`renderer::Style::text_color`] will be -/// used. -/// * The alignment attributes do not affect the position of the bounds of the -/// [`Layout`]. -pub fn draw<Renderer>( - renderer: &mut Renderer, - style: &renderer::Style, - layout: Layout<'_>, - content: &str, - size: Option<f32>, - font: Option<Renderer::Font>, - appearance: Appearance, - horizontal_alignment: alignment::Horizontal, - vertical_alignment: alignment::Vertical, -) where - Renderer: text::Renderer, -{ - let bounds = layout.bounds(); - - let x = match horizontal_alignment { - alignment::Horizontal::Left => bounds.x, - alignment::Horizontal::Center => bounds.center_x(), - alignment::Horizontal::Right => bounds.x + bounds.width, - }; - - let y = match vertical_alignment { - alignment::Vertical::Top => bounds.y, - alignment::Vertical::Center => bounds.center_y(), - alignment::Vertical::Bottom => bounds.y + bounds.height, - }; - - renderer.fill_text(crate::text::Text { - content, - size: size.unwrap_or_else(|| renderer.default_size()), - bounds: Rectangle { x, y, ..bounds }, - color: appearance.color.unwrap_or(style.text_color), - font: font.unwrap_or_else(|| renderer.default_font()), - horizontal_alignment, - vertical_alignment, - }); -} - -impl<'a, Message, Renderer> From<Text<'a, Renderer>> - for Element<'a, Message, Renderer> -where - Renderer: text::Renderer + 'a, - Renderer::Theme: StyleSheet, -{ - fn from(text: Text<'a, Renderer>) -> Element<'a, Message, Renderer> { - Element::new(text) - } -} - -impl<'a, Renderer> Clone for Text<'a, Renderer> -where - Renderer: text::Renderer, - Renderer::Theme: StyleSheet, -{ - fn clone(&self) -> Self { - Self { - content: self.content.clone(), - size: self.size, - width: self.width, - height: self.height, - horizontal_alignment: self.horizontal_alignment, - vertical_alignment: self.vertical_alignment, - font: self.font, - style: self.style, - } - } -} - -impl<'a, Message, Renderer> From<&'a str> for Element<'a, Message, Renderer> -where - Renderer: text::Renderer + 'a, - Renderer::Theme: StyleSheet, -{ - fn from(contents: &'a str) -> Self { - Text::new(contents).into() - } -} |