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Create iced_widget subcrate and re-organize the whole codebase

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Héctor Ramón Jiménez 2023-03-04 05:37:11 +01:00
parent c54409d171
commit 3a0d34c024
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209 changed files with 1959 additions and 2183 deletions
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native/src/widget/checkbox.rs
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@ -1,321 +0,0 @@
//! Show toggle controls using checkboxes.
use crate::alignment;
use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
use crate::renderer;
use crate::text;
use crate::touch;
use crate::widget::{self, Row, Text, Tree};
use crate::{
Alignment, Clipboard, Element, Layout, Length, Pixels, Point, Rectangle,
Shell, Widget,
};
pub use iced_style::checkbox::{Appearance, StyleSheet};
/// The icon in a [`Checkbox`].
#[derive(Debug, Clone, PartialEq)]
pub struct Icon<Font> {
/// Font that will be used to display the `code_point`,
pub font: Font,
/// The unicode code point that will be used as the icon.
pub code_point: char,
/// Font size of the content.
pub size: Option<f32>,
}
/// A box that can be checked.
///
/// # Example
///
/// ```
/// # type Checkbox<'a, Message> = iced_native::widget::Checkbox<'a, Message, iced_native::renderer::Null>;
/// #
/// pub enum Message {
/// CheckboxToggled(bool),
/// }
///
/// let is_checked = true;
///
/// Checkbox::new("Toggle me!", is_checked, Message::CheckboxToggled);
/// ```
///
/// ![Checkbox drawn by `iced_wgpu`](https://github.com/iced-rs/iced/blob/7760618fb112074bc40b148944521f312152012a/docs/images/checkbox.png?raw=true)
#[allow(missing_debug_implementations)]
pub struct Checkbox<'a, Message, Renderer>
where
Renderer: text::Renderer,
Renderer::Theme: StyleSheet + widget::text::StyleSheet,
{
is_checked: bool,
on_toggle: Box<dyn Fn(bool) -> Message + 'a>,
label: String,
width: Length,
size: f32,
spacing: f32,
text_size: Option<f32>,
font: Option<Renderer::Font>,
icon: Icon<Renderer::Font>,
style: <Renderer::Theme as StyleSheet>::Style,
}
impl<'a, Message, Renderer> Checkbox<'a, Message, Renderer>
where
Renderer: text::Renderer,
Renderer::Theme: StyleSheet + widget::text::StyleSheet,
{
/// The default size of a [`Checkbox`].
const DEFAULT_SIZE: f32 = 20.0;
/// The default spacing of a [`Checkbox`].
const DEFAULT_SPACING: f32 = 15.0;
/// Creates a new [`Checkbox`].
///
/// It expects:
/// * a boolean describing whether the [`Checkbox`] is checked or not
/// * the label of the [`Checkbox`]
/// * a function that will be called when the [`Checkbox`] is toggled. It
/// will receive the new state of the [`Checkbox`] and must produce a
/// `Message`.
pub fn new<F>(label: impl Into<String>, is_checked: bool, f: F) -> Self
where
F: 'a + Fn(bool) -> Message,
{
Checkbox {
is_checked,
on_toggle: Box::new(f),
label: label.into(),
width: Length::Shrink,
size: Self::DEFAULT_SIZE,
spacing: Self::DEFAULT_SPACING,
text_size: None,
font: None,
icon: Icon {
font: Renderer::ICON_FONT,
code_point: Renderer::CHECKMARK_ICON,
size: None,
},
style: Default::default(),
}
}
/// Sets the size of the [`Checkbox`].
pub fn size(mut self, size: impl Into<Pixels>) -> Self {
self.size = size.into().0;
self
}
/// Sets the width of the [`Checkbox`].
pub fn width(mut self, width: impl Into<Length>) -> Self {
self.width = width.into();
self
}
/// Sets the spacing between the [`Checkbox`] and the text.
pub fn spacing(mut self, spacing: impl Into<Pixels>) -> Self {
self.spacing = spacing.into().0;
self
}
/// Sets the text size of the [`Checkbox`].
pub fn text_size(mut self, text_size: impl Into<Pixels>) -> Self {
self.text_size = Some(text_size.into().0);
self
}
/// Sets the [`Font`] of the text of the [`Checkbox`].
///
/// [`Font`]: crate::text::Renderer::Font
pub fn font(mut self, font: impl Into<Renderer::Font>) -> Self {
self.font = Some(font.into());
self
}
/// Sets the [`Icon`] of the [`Checkbox`].
pub fn icon(mut self, icon: Icon<Renderer::Font>) -> Self {
self.icon = icon;
self
}
/// Sets the style of the [`Checkbox`].
pub fn style(
mut self,
style: impl Into<<Renderer::Theme as StyleSheet>::Style>,
) -> Self {
self.style = style.into();
self
}
}
impl<'a, Message, Renderer> Widget<Message, Renderer>
for Checkbox<'a, Message, Renderer>
where
Renderer: text::Renderer,
Renderer::Theme: StyleSheet + widget::text::StyleSheet,
{
fn width(&self) -> Length {
self.width
}
fn height(&self) -> Length {
Length::Shrink
}
fn layout(
&self,
renderer: &Renderer,
limits: &layout::Limits,
) -> layout::Node {
Row::<(), Renderer>::new()
.width(self.width)
.spacing(self.spacing)
.align_items(Alignment::Center)
.push(Row::new().width(self.size).height(self.size))
.push(
Text::new(&self.label)
.font(self.font.unwrap_or_else(|| renderer.default_font()))
.width(self.width)
.size(
self.text_size
.unwrap_or_else(|| renderer.default_size()),
),
)
.layout(renderer, limits)
}
fn on_event(
&mut self,
_tree: &mut Tree,
event: Event,
layout: Layout<'_>,
cursor_position: Point,
_renderer: &Renderer,
_clipboard: &mut dyn Clipboard,
shell: &mut Shell<'_, Message>,
) -> event::Status {
match event {
Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
| Event::Touch(touch::Event::FingerPressed { .. }) => {
let mouse_over = layout.bounds().contains(cursor_position);
if mouse_over {
shell.publish((self.on_toggle)(!self.is_checked));
return event::Status::Captured;
}
}
_ => {}
}
event::Status::Ignored
}
fn mouse_interaction(
&self,
_tree: &Tree,
layout: Layout<'_>,
cursor_position: Point,
_viewport: &Rectangle,
_renderer: &Renderer,
) -> mouse::Interaction {
if layout.bounds().contains(cursor_position) {
mouse::Interaction::Pointer
} else {
mouse::Interaction::default()
}
}
fn draw(
&self,
_tree: &Tree,
renderer: &mut Renderer,
theme: &Renderer::Theme,
style: &renderer::Style,
layout: Layout<'_>,
cursor_position: Point,
_viewport: &Rectangle,
) {
let bounds = layout.bounds();
let is_mouse_over = bounds.contains(cursor_position);
let mut children = layout.children();
let custom_style = if is_mouse_over {
theme.hovered(&self.style, self.is_checked)
} else {
theme.active(&self.style, self.is_checked)
};
{
let layout = children.next().unwrap();
let bounds = layout.bounds();
renderer.fill_quad(
renderer::Quad {
bounds,
border_radius: custom_style.border_radius.into(),
border_width: custom_style.border_width,
border_color: custom_style.border_color,
},
custom_style.background,
);
let Icon {
font,
code_point,
size,
} = &self.icon;
let size = size.unwrap_or(bounds.height * 0.7);
if self.is_checked {
renderer.fill_text(text::Text {
content: &code_point.to_string(),
font: *font,
size,
bounds: Rectangle {
x: bounds.center_x(),
y: bounds.center_y(),
..bounds
},
color: custom_style.icon_color,
horizontal_alignment: alignment::Horizontal::Center,
vertical_alignment: alignment::Vertical::Center,
});
}
}
{
let label_layout = children.next().unwrap();
widget::text::draw(
renderer,
style,
label_layout,
&self.label,
self.text_size,
self.font,
widget::text::Appearance {
color: custom_style.text_color,
},
alignment::Horizontal::Left,
alignment::Vertical::Center,
);
}
}
}
impl<'a, Message, Renderer> From<Checkbox<'a, Message, Renderer>>
for Element<'a, Message, Renderer>
where
Message: 'a,
Renderer: 'a + text::Renderer,
Renderer::Theme: StyleSheet + widget::text::StyleSheet,
{
fn from(
checkbox: Checkbox<'a, Message, Renderer>,
) -> Element<'a, Message, Renderer> {
Element::new(checkbox)
}
}