fix: color picker

This commit is contained in:
Ashley Wulber 2024-11-01 20:51:07 -04:00 committed by Ashley Wulber
parent 0dfaa4d158
commit 36b3cfa13a

View file

@ -4,6 +4,7 @@
//! Widgets for selecting colors with a color picker.
use std::borrow::Cow;
use std::iter;
use std::rc::Rc;
use std::sync::atomic::{AtomicBool, Ordering};
use std::time::{Duration, Instant};
@ -23,7 +24,7 @@ use iced_core::{
Rectangle, Renderer, Shadow, Shell, Size, Vector, Widget,
};
use iced_widget::slider::{HandleShape, RailBackground};
use iced_widget::slider::HandleShape;
use iced_widget::{canvas, column, horizontal_space, row, scrollable, vertical_space, Row};
use lazy_static::lazy_static;
use palette::{FromColor, RgbHue};
@ -38,15 +39,14 @@ pub use ColorPickerModel as Model;
// TODO is this going to look correct enough?
lazy_static! {
pub static ref HSV_RAINBOW: Vec<ColorStop> = (0u16..8)
.map(|h| ColorStop {
color: iced::Color::from(palette::Srgba::from_color(palette::Hsv::new_srgb_const(
pub static ref HSV_RAINBOW: Vec<iced::Color> = (0u16..8)
.map(
|h| iced::Color::from(palette::Srgba::from_color(palette::Hsv::new_srgb_const(
RgbHue::new(f32::from(h) * 360.0 / 7.0),
1.0,
1.0
))),
offset: f32::from(h) / 7.0
})
)))
)
.collect();
}
@ -287,137 +287,235 @@ where
) -> ColorPicker<'a, Message> {
let on_update = self.on_update;
let spacing = THEME.lock().unwrap().cosmic().spacing;
let mut inner = column![
// segmented buttons
segmented_control::horizontal(self.model)
.on_activate(Box::new(move |e| on_update(
ColorPickerUpdate::ActivateSegmented(e)
)))
.minimum_button_width(0)
.width(self.width),
// canvas with gradient for the current color
// still needs the canvas and the handle to be drawn on it
container(vertical_space().height(self.height))
.width(self.width)
.height(self.height),
slider(
0.0..=359.99,
self.active_color.hue.into_positive_degrees(),
move |v| {
let mut new = self.active_color;
new.hue = v.into();
on_update(ColorPickerUpdate::ActiveColor(new))
}
)
.class(Slider::Custom {
active: Rc::new(|t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
// a.rail.colors = RailBackground::Gradient {
// gradient: Linear::new(Radians(0.0)).add_stops(HSV_RAINBOW.clone()),
// auto_angle: true,
// };
a.rail.backgrounds = (
Background::Color(Color::TRANSPARENT),
Background::Color(Color::TRANSPARENT),
);
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
hovered: Rc::new(|t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
// a.rail.colors = RailBackground::Gradient {
// gradient: Linear::new(Radians(0.0)).add_stops(HSV_RAINBOW.clone()),
// auto_angle: true,
// };
a.rail.backgrounds = (Color::TRANSPARENT.into(), Color::TRANSPARENT.into());
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
dragging: Rc::new(|t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
// a.rail.backgrounds = (
// RailBackground::Gradient(Gradient {
// gradient: Linear::new(Radians(0.0)).add_stops(HSV_RAINBOW.clone()),
// auto_angle: true,
// }),
// RailBackground::Gradient {
// gradient: Linear::new(Radians(0.0)).add_stops(HSV_RAINBOW.clone()),
// auto_angle: true,
// },
// );
a.rail.backgrounds =
(iced::Color::TRANSPARENT.into(), Color::TRANSPARENT.into());
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
})
.width(self.width),
text_input("", self.input_color)
.on_input(move |s| on_update(ColorPickerUpdate::Input(s)))
.on_paste(move |s| on_update(ColorPickerUpdate::Input(s)))
.on_submit(on_update(ColorPickerUpdate::AppliedColor))
.leading_icon(
color_button(
None,
Some(Color::from(palette::Srgb::from_color(self.active_color))),
Length::FillPortion(12)
)
.into()
)
// TODO copy paste input contents
.trailing_icon({
let button = button::custom(crate::widget::icon(
from_name("edit-copy-symbolic").size(spacing.space_s).into(),
))
.on_press(on_update(ColorPickerUpdate::Copied(Instant::now())))
.class(Button::Text);
match self.copied_at.take() {
Some(t) if Instant::now().duration_since(t) > Duration::from_secs(2) => {
button.into()
}
Some(_) => tooltip(
button,
text(copied_to_clipboard_label),
iced_widget::tooltip::Position::Bottom,
)
.into(),
None => tooltip(
button,
text(copy_to_clipboard_label),
iced_widget::tooltip::Position::Bottom,
)
.into(),
let mut inner =
column![
// segmented buttons
segmented_control::horizontal(self.model)
.on_activate(Box::new(move |e| on_update(
ColorPickerUpdate::ActivateSegmented(e)
)))
.minimum_button_width(0)
.width(self.width),
// canvas with gradient for the current color
// still needs the canvas and the handle to be drawn on it
container(vertical_space().height(self.height))
.width(self.width)
.height(self.height),
slider(
0.0..=359.99,
self.active_color.hue.into_positive_degrees(),
move |v| {
let mut new = self.active_color;
new.hue = v.into();
on_update(ColorPickerUpdate::ActiveColor(new))
}
)
.on_release(on_update(ColorPickerUpdate::ActionFinished))
.class(Slider::Custom {
active: Rc::new(move |t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
let hue = self.active_color.hue.into_positive_degrees();
let pivot = hue * 7.0 / 360.;
let low_end = pivot.floor() as usize;
let high_start = pivot.ceil() as usize;
let pivot_color = palette::Hsv::new_srgb(RgbHue::new(hue), 1.0, 1.0);
let low_range = HSV_RAINBOW[0..=low_end]
.iter()
.enumerate()
.map(|(i, color)| ColorStop {
color: *color,
offset: i as f32 / pivot.max(0.0001),
})
.chain(iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 1.,
}))
.collect::<Vec<_>>();
let high_range =
iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 0.,
})
.chain(HSV_RAINBOW[high_start..].iter().enumerate().map(
|(i, color)| ColorStop {
color: *color,
offset: (i as f32 + (1. - pivot.fract()))
/ (7. - pivot).max(0.0001),
},
))
.collect::<Vec<_>>();
a.rail.backgrounds = (
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(low_range),
)),
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(high_range),
)),
);
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
hovered: Rc::new(move |t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
let hue = self.active_color.hue.into_positive_degrees();
let pivot = hue * 7.0 / 360.;
let low_end = pivot.floor() as usize;
let high_start = pivot.ceil() as usize;
let pivot_color = palette::Hsv::new_srgb(RgbHue::new(hue), 1.0, 1.0);
let low_range = HSV_RAINBOW[0..=low_end]
.iter()
.enumerate()
.map(|(i, color)| ColorStop {
color: *color,
offset: i as f32 / pivot.max(0.0001),
})
.chain(iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 1.,
}))
.collect::<Vec<_>>();
let high_range =
iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 0.,
})
.chain(HSV_RAINBOW[high_start..].iter().enumerate().map(
|(i, color)| ColorStop {
color: *color,
offset: (i as f32 + (1. - pivot.fract()))
/ (7. - pivot).max(0.0001),
},
))
.collect::<Vec<_>>();
a.rail.backgrounds = (
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(low_range),
)),
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(high_range),
)),
);
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
dragging: Rc::new(move |t| {
let cosmic = t.cosmic();
let mut a =
slider::Catalog::style(t, &Slider::default(), slider::Status::Active);
let hue = self.active_color.hue.into_positive_degrees();
let pivot = hue * 7.0 / 360.;
let low_end = pivot.floor() as usize;
let high_start = pivot.ceil() as usize;
let pivot_color = palette::Hsv::new_srgb(RgbHue::new(hue), 1.0, 1.0);
let low_range = HSV_RAINBOW[0..=low_end]
.iter()
.enumerate()
.map(|(i, color)| ColorStop {
color: *color,
offset: i as f32 / pivot.max(0.0001),
})
.chain(iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 1.,
}))
.collect::<Vec<_>>();
let high_range =
iter::once(ColorStop {
color: iced::Color::from(palette::Srgba::from_color(pivot_color)),
offset: 0.,
})
.chain(HSV_RAINBOW[high_start..].iter().enumerate().map(
|(i, color)| ColorStop {
color: *color,
offset: (i as f32 + (1. - pivot.fract()))
/ (7. - pivot).max(0.0001),
},
))
.collect::<Vec<_>>();
a.rail.backgrounds = (
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(low_range),
)),
Background::Gradient(iced::Gradient::Linear(
Linear::new(Radians(90.0)).add_stops(high_range),
)),
);
a.rail.width = 8.0;
a.handle.background = Color::TRANSPARENT.into();
a.handle.shape = HandleShape::Circle { radius: 8.0 };
a.handle.border_color = cosmic.palette.neutral_10.into();
a.handle.border_width = 4.0;
a
}),
})
.width(self.width),
]
// Should we ensure the side padding is at least half the width of the handle?
.padding([
spacing.space_none,
spacing.space_s,
spacing.space_s,
spacing.space_s,
])
.spacing(spacing.space_s);
text_input("", self.input_color)
.on_input(move |s| on_update(ColorPickerUpdate::Input(s)))
.on_paste(move |s| on_update(ColorPickerUpdate::Input(s)))
.on_submit(on_update(ColorPickerUpdate::AppliedColor))
.leading_icon(
color_button(
None,
Some(Color::from(palette::Srgb::from_color(self.active_color))),
Length::FillPortion(12)
)
.into()
)
// TODO copy paste input contents
.trailing_icon({
let button = button::custom(crate::widget::icon(
from_name("edit-copy-symbolic").size(spacing.space_s).into(),
))
.on_press(on_update(ColorPickerUpdate::Copied(Instant::now())))
.class(Button::Text);
match self.copied_at.take() {
Some(t)
if Instant::now().duration_since(t) > Duration::from_secs(2) =>
{
button.into()
}
Some(_) => tooltip(
button,
text(copied_to_clipboard_label),
iced_widget::tooltip::Position::Bottom,
)
.into(),
None => tooltip(
button,
text(copy_to_clipboard_label),
iced_widget::tooltip::Position::Bottom,
)
.into(),
}
})
.width(self.width),
]
// Should we ensure the side padding is at least half the width of the handle?
.padding([
spacing.space_none,
spacing.space_s,
spacing.space_s,
spacing.space_s,
])
.spacing(spacing.space_s);
if !self.recent_colors.is_empty() {
inner = inner.push(horizontal::light().width(self.width));