Create iced_widget subcrate and re-organize the whole codebase
This commit is contained in:
Héctor Ramón Jiménez
parent
c54409d171
commit
3a0d34c024
209 changed files with 1959 additions and 2183 deletions
|
|
@ -1,324 +0,0 @@
|
|||
//! Show toggle controls using togglers.
|
||||
use crate::alignment;
|
||||
use crate::event;
|
||||
use crate::layout;
|
||||
use crate::mouse;
|
||||
use crate::renderer;
|
||||
use crate::text;
|
||||
use crate::widget::{self, Row, Text, Tree};
|
||||
use crate::{
|
||||
Alignment, Clipboard, Element, Event, Layout, Length, Pixels, Point,
|
||||
Rectangle, Shell, Widget,
|
||||
};
|
||||
|
||||
pub use iced_style::toggler::{Appearance, StyleSheet};
|
||||
|
||||
/// A toggler widget.
|
||||
///
|
||||
/// # Example
|
||||
///
|
||||
/// ```
|
||||
/// # type Toggler<'a, Message> = iced_native::widget::Toggler<'a, Message, iced_native::renderer::Null>;
|
||||
/// #
|
||||
/// pub enum Message {
|
||||
/// TogglerToggled(bool),
|
||||
/// }
|
||||
///
|
||||
/// let is_toggled = true;
|
||||
///
|
||||
/// Toggler::new(String::from("Toggle me!"), is_toggled, |b| Message::TogglerToggled(b));
|
||||
/// ```
|
||||
#[allow(missing_debug_implementations)]
|
||||
pub struct Toggler<'a, Message, Renderer>
|
||||
where
|
||||
Renderer: text::Renderer,
|
||||
Renderer::Theme: StyleSheet,
|
||||
{
|
||||
is_toggled: bool,
|
||||
on_toggle: Box<dyn Fn(bool) -> Message + 'a>,
|
||||
label: Option<String>,
|
||||
width: Length,
|
||||
size: f32,
|
||||
text_size: Option<f32>,
|
||||
text_alignment: alignment::Horizontal,
|
||||
spacing: f32,
|
||||
font: Option<Renderer::Font>,
|
||||
style: <Renderer::Theme as StyleSheet>::Style,
|
||||
}
|
||||
|
||||
impl<'a, Message, Renderer> Toggler<'a, Message, Renderer>
|
||||
where
|
||||
Renderer: text::Renderer,
|
||||
Renderer::Theme: StyleSheet,
|
||||
{
|
||||
/// The default size of a [`Toggler`].
|
||||
pub const DEFAULT_SIZE: f32 = 20.0;
|
||||
|
||||
/// Creates a new [`Toggler`].
|
||||
///
|
||||
/// It expects:
|
||||
/// * a boolean describing whether the [`Toggler`] is checked or not
|
||||
/// * An optional label for the [`Toggler`]
|
||||
/// * a function that will be called when the [`Toggler`] is toggled. It
|
||||
/// will receive the new state of the [`Toggler`] and must produce a
|
||||
/// `Message`.
|
||||
pub fn new<F>(
|
||||
label: impl Into<Option<String>>,
|
||||
is_toggled: bool,
|
||||
f: F,
|
||||
) -> Self
|
||||
where
|
||||
F: 'a + Fn(bool) -> Message,
|
||||
{
|
||||
Toggler {
|
||||
is_toggled,
|
||||
on_toggle: Box::new(f),
|
||||
label: label.into(),
|
||||
width: Length::Fill,
|
||||
size: Self::DEFAULT_SIZE,
|
||||
text_size: None,
|
||||
text_alignment: alignment::Horizontal::Left,
|
||||
spacing: 0.0,
|
||||
font: None,
|
||||
style: Default::default(),
|
||||
}
|
||||
}
|
||||
|
||||
/// Sets the size of the [`Toggler`].
|
||||
pub fn size(mut self, size: impl Into<Pixels>) -> Self {
|
||||
self.size = size.into().0;
|
||||
self
|
||||
}
|
||||
|
||||
/// Sets the width of the [`Toggler`].
|
||||
pub fn width(mut self, width: impl Into<Length>) -> Self {
|
||||
self.width = width.into();
|
||||
self
|
||||
}
|
||||
|
||||
/// Sets the text size o the [`Toggler`].
|
||||
pub fn text_size(mut self, text_size: impl Into<Pixels>) -> Self {
|
||||
self.text_size = Some(text_size.into().0);
|
||||
self
|
||||
}
|
||||
|
||||
/// Sets the horizontal alignment of the text of the [`Toggler`]
|
||||
pub fn text_alignment(mut self, alignment: alignment::Horizontal) -> Self {
|
||||
self.text_alignment = alignment;
|
||||
self
|
||||
}
|
||||
|
||||
/// Sets the spacing between the [`Toggler`] and the text.
|
||||
pub fn spacing(mut self, spacing: impl Into<Pixels>) -> Self {
|
||||
self.spacing = spacing.into().0;
|
||||
self
|
||||
}
|
||||
|
||||
/// Sets the [`Font`] of the text of the [`Toggler`]
|
||||
///
|
||||
/// [`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 [`Toggler`].
|
||||
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 Toggler<'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 {
|
||||
let mut row = Row::<(), Renderer>::new()
|
||||
.width(self.width)
|
||||
.spacing(self.spacing)
|
||||
.align_items(Alignment::Center);
|
||||
|
||||
if let Some(label) = &self.label {
|
||||
row = row.push(
|
||||
Text::new(label)
|
||||
.horizontal_alignment(self.text_alignment)
|
||||
.font(self.font.unwrap_or_else(|| renderer.default_font()))
|
||||
.width(self.width)
|
||||
.size(
|
||||
self.text_size
|
||||
.unwrap_or_else(|| renderer.default_size()),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
row = row.push(Row::new().width(2.0 * self.size).height(self.size));
|
||||
|
||||
row.layout(renderer, limits)
|
||||
}
|
||||
|
||||
fn on_event(
|
||||
&mut self,
|
||||
_state: &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)) => {
|
||||
let mouse_over = layout.bounds().contains(cursor_position);
|
||||
|
||||
if mouse_over {
|
||||
shell.publish((self.on_toggle)(!self.is_toggled));
|
||||
|
||||
event::Status::Captured
|
||||
} else {
|
||||
event::Status::Ignored
|
||||
}
|
||||
}
|
||||
_ => event::Status::Ignored,
|
||||
}
|
||||
}
|
||||
|
||||
fn mouse_interaction(
|
||||
&self,
|
||||
_state: &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,
|
||||
_state: &Tree,
|
||||
renderer: &mut Renderer,
|
||||
theme: &Renderer::Theme,
|
||||
style: &renderer::Style,
|
||||
layout: Layout<'_>,
|
||||
cursor_position: Point,
|
||||
_viewport: &Rectangle,
|
||||
) {
|
||||
/// Makes sure that the border radius of the toggler looks good at every size.
|
||||
const BORDER_RADIUS_RATIO: f32 = 32.0 / 13.0;
|
||||
|
||||
/// The space ratio between the background Quad and the Toggler bounds, and
|
||||
/// between the background Quad and foreground Quad.
|
||||
const SPACE_RATIO: f32 = 0.05;
|
||||
|
||||
let mut children = layout.children();
|
||||
|
||||
if let Some(label) = &self.label {
|
||||
let label_layout = children.next().unwrap();
|
||||
|
||||
crate::widget::text::draw(
|
||||
renderer,
|
||||
style,
|
||||
label_layout,
|
||||
label,
|
||||
self.text_size,
|
||||
self.font,
|
||||
Default::default(),
|
||||
self.text_alignment,
|
||||
alignment::Vertical::Center,
|
||||
);
|
||||
}
|
||||
|
||||
let toggler_layout = children.next().unwrap();
|
||||
let bounds = toggler_layout.bounds();
|
||||
|
||||
let is_mouse_over = bounds.contains(cursor_position);
|
||||
|
||||
let style = if is_mouse_over {
|
||||
theme.hovered(&self.style, self.is_toggled)
|
||||
} else {
|
||||
theme.active(&self.style, self.is_toggled)
|
||||
};
|
||||
|
||||
let border_radius = bounds.height / BORDER_RADIUS_RATIO;
|
||||
let space = SPACE_RATIO * bounds.height;
|
||||
|
||||
let toggler_background_bounds = Rectangle {
|
||||
x: bounds.x + space,
|
||||
y: bounds.y + space,
|
||||
width: bounds.width - (2.0 * space),
|
||||
height: bounds.height - (2.0 * space),
|
||||
};
|
||||
|
||||
renderer.fill_quad(
|
||||
renderer::Quad {
|
||||
bounds: toggler_background_bounds,
|
||||
border_radius: border_radius.into(),
|
||||
border_width: 1.0,
|
||||
border_color: style
|
||||
.background_border
|
||||
.unwrap_or(style.background),
|
||||
},
|
||||
style.background,
|
||||
);
|
||||
|
||||
let toggler_foreground_bounds = Rectangle {
|
||||
x: bounds.x
|
||||
+ if self.is_toggled {
|
||||
bounds.width - 2.0 * space - (bounds.height - (4.0 * space))
|
||||
} else {
|
||||
2.0 * space
|
||||
},
|
||||
y: bounds.y + (2.0 * space),
|
||||
width: bounds.height - (4.0 * space),
|
||||
height: bounds.height - (4.0 * space),
|
||||
};
|
||||
|
||||
renderer.fill_quad(
|
||||
renderer::Quad {
|
||||
bounds: toggler_foreground_bounds,
|
||||
border_radius: border_radius.into(),
|
||||
border_width: 1.0,
|
||||
border_color: style
|
||||
.foreground_border
|
||||
.unwrap_or(style.foreground),
|
||||
},
|
||||
style.foreground,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, Message, Renderer> From<Toggler<'a, Message, Renderer>>
|
||||
for Element<'a, Message, Renderer>
|
||||
where
|
||||
Message: 'a,
|
||||
Renderer: 'a + text::Renderer,
|
||||
Renderer::Theme: StyleSheet + widget::text::StyleSheet,
|
||||
{
|
||||
fn from(
|
||||
toggler: Toggler<'a, Message, Renderer>,
|
||||
) -> Element<'a, Message, Renderer> {
|
||||
Element::new(toggler)
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue