152 lines
4.4 KiB
Rust
152 lines
4.4 KiB
Rust
// Copyright 2022 System76 <info@system76.com>
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// SPDX-License-Identifier: MPL-2.0
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use std::borrow::Cow;
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use crate::{
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Element, theme,
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widget::{FlexRow, Row, column, container, flex_row, row, text},
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};
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use derive_setters::Setters;
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use iced_core::{Length, text::Wrapping};
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use iced_widget::space;
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use taffy::AlignContent;
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/// A settings item aligned in a row
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#[must_use]
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#[allow(clippy::module_name_repetitions)]
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pub fn item<'a, Message: 'static>(
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title: impl Into<Cow<'a, str>> + 'a,
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widget: impl Into<Element<'a, Message>> + 'a,
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) -> Row<'a, Message> {
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#[inline(never)]
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fn inner<'a, Message: 'static>(
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title: Cow<'a, str>,
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widget: Element<'a, Message>,
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) -> Row<'a, Message> {
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item_row(vec![
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text(title).wrapping(Wrapping::Word).into(),
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space::horizontal().into(),
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widget,
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])
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}
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inner(title.into(), widget.into())
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}
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/// A settings item aligned in a row
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#[must_use]
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#[allow(clippy::module_name_repetitions)]
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pub fn item_row<Message>(children: Vec<Element<Message>>) -> Row<Message> {
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row::with_children(children)
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.spacing(theme::spacing().space_xs)
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.align_y(iced::Alignment::Center)
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.width(Length::Fill)
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}
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/// A settings item aligned in a flex row
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#[allow(clippy::module_name_repetitions)]
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pub fn flex_item<'a, Message: 'static>(
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title: impl Into<Cow<'a, str>> + 'a,
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widget: impl Into<Element<'a, Message>> + 'a,
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) -> FlexRow<'a, Message> {
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#[inline(never)]
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fn inner<'a, Message: 'static>(
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title: Cow<'a, str>,
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widget: Element<'a, Message>,
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) -> FlexRow<'a, Message> {
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flex_item_row(vec![
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text(title)
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.wrapping(Wrapping::Word)
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.width(Length::Fill)
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.into(),
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container(widget).width(Length::Shrink).into(),
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])
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.width(Length::Fill)
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}
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inner(title.into(), widget.into())
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}
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/// A settings item aligned in a flex row
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#[allow(clippy::module_name_repetitions)]
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pub fn flex_item_row<Message>(children: Vec<Element<Message>>) -> FlexRow<Message> {
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flex_row(children)
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.spacing(theme::spacing().space_xs)
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.min_item_width(200.0)
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.justify_items(iced::Alignment::Center)
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.justify_content(AlignContent::SpaceBetween)
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.width(Length::Fill)
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}
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/// Creates a builder for an item, beginning with the title.
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pub fn builder<'a, Message: 'static>(title: impl Into<Cow<'a, str>>) -> Item<'a, Message> {
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Item {
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title: title.into(),
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description: None,
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icon: None,
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}
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}
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/// A builder for a settings item.
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#[derive(Setters)]
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pub struct Item<'a, Message> {
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/// Describes the item being controlled.
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title: Cow<'a, str>,
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/// A description to display beneath the title.
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#[setters(strip_option, into)]
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description: Option<Cow<'a, str>>,
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/// A custom icon to display before the text.
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#[setters(strip_option, into)]
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icon: Option<Element<'a, Message>>,
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}
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impl<'a, Message: 'static> Item<'a, Message> {
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/// Assigns a control to the item.
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pub fn control(self, widget: impl Into<Element<'a, Message>>) -> Row<'a, Message> {
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item_row(self.control_(widget.into()))
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}
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/// Assigns a control which flexes.
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pub fn flex_control(self, widget: impl Into<Element<'a, Message>>) -> FlexRow<'a, Message> {
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flex_item_row(self.control_(widget.into()))
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}
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#[inline(never)]
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fn control_(self, widget: Element<'a, Message>) -> Vec<Element<'a, Message>> {
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let mut contents = Vec::with_capacity(4);
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if let Some(icon) = self.icon {
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contents.push(icon);
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}
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if let Some(description) = self.description {
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let column = column::with_capacity(2)
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.spacing(2)
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.push(text::body(self.title).wrapping(Wrapping::Word))
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.push(text::caption(description).wrapping(Wrapping::Word))
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.width(Length::Fill);
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contents.push(column.into());
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} else {
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contents.push(text(self.title).width(Length::Fill).into());
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}
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contents.push(widget);
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contents
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}
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pub fn toggler(
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self,
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is_checked: bool,
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message: impl Fn(bool) -> Message + 'static,
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) -> Row<'a, Message> {
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self.control(
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crate::widget::toggler(is_checked)
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.width(Length::Shrink)
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.on_toggle(message),
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)
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}
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}
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