Implement Widget::draw for Text
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03b3493138
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3a0c503db9
11 changed files with 128 additions and 32 deletions
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@ -1,6 +1,7 @@
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//! Write some text for your users to read.
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use crate::alignment;
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use crate::layout;
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use crate::renderer;
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use crate::{
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Color, Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget,
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};
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@ -133,13 +134,35 @@ where
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fn draw(
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&self,
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_renderer: &mut Renderer,
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renderer: &mut Renderer,
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_defaults: &Renderer::Defaults,
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_layout: Layout<'_>,
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layout: Layout<'_>,
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_cursor_position: Point,
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_viewport: &Rectangle,
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) {
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// TODO
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let bounds = layout.bounds();
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let x = match self.horizontal_alignment {
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alignment::Horizontal::Left => bounds.x,
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alignment::Horizontal::Center => bounds.center_x(),
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alignment::Horizontal::Right => bounds.x + bounds.width,
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};
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let y = match self.vertical_alignment {
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alignment::Vertical::Top => bounds.y,
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alignment::Vertical::Center => bounds.center_y(),
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alignment::Vertical::Bottom => bounds.y + bounds.height,
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};
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renderer.fill_text(renderer::text::Section {
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content: &self.content,
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size: self.size.map(f32::from),
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bounds: Rectangle { x, y, ..bounds },
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color: self.color,
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font: self.font,
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horizontal_alignment: self.horizontal_alignment,
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vertical_alignment: self.vertical_alignment,
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});
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}
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fn hash_layout(&self, state: &mut Hasher) {
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@ -159,10 +182,7 @@ where
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/// able to use [`Text`] in your user interface.
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///
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/// [renderer]: crate::Renderer
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pub trait Renderer: crate::Renderer {
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/// The font type used for [`Text`].
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type Font: Default + Copy;
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pub trait Renderer: renderer::Text {
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/// Returns the default size of [`Text`].
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fn default_size(&self) -> u16;
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