cosmic/widget/button/
image.rs

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1// Copyright 2023 System76 <info@system76.com>
2// SPDX-License-Identifier: MPL-2.0
3
4use super::Builder;
5use crate::{
6    Element,
7    widget::{self, image::Handle},
8};
9use iced_core::{Length, Padding, font::Weight, widget::Id};
10use std::borrow::Cow;
11
12pub type Button<'a, Message> = Builder<'a, Message, Image<'a, Handle, Message>>;
13
14/// A button constructed from an image handle, using image button styling.
15pub fn image<'a, Message>(handle: impl Into<Handle> + 'a) -> Button<'a, Message> {
16    Button::new(Image {
17        image: widget::image(handle).border_radius([9.0; 4]),
18        selected: false,
19        on_remove: None,
20    })
21}
22
23/// The image variant of a button.
24pub struct Image<'a, Handle, Message> {
25    image: widget::Image<'a, Handle>,
26    selected: bool,
27    on_remove: Option<Message>,
28}
29
30impl<'a, Message> Button<'a, Message> {
31    #[inline]
32    pub fn new(variant: Image<'a, Handle, Message>) -> Self {
33        Self {
34            id: Id::unique(),
35            label: Cow::Borrowed(""),
36            tooltip: Cow::Borrowed(""),
37            on_press: None,
38            width: Length::Shrink,
39            height: Length::Shrink,
40            padding: Padding::from(0),
41            spacing: 0,
42            icon_size: 16,
43            line_height: 20,
44            font_size: 14,
45            font_weight: Weight::Normal,
46            class: crate::theme::style::Button::Image,
47            variant,
48        }
49    }
50
51    #[inline]
52    pub fn on_remove(mut self, message: Message) -> Self {
53        self.variant.on_remove = Some(message);
54        self
55    }
56
57    #[inline]
58    pub fn on_remove_maybe(mut self, message: Option<Message>) -> Self {
59        self.variant.on_remove = message;
60        self
61    }
62
63    #[inline]
64    pub fn selected(mut self, selected: bool) -> Self {
65        self.variant.selected = selected;
66        self
67    }
68}
69
70impl<'a, Message> From<Button<'a, Message>> for Element<'a, Message>
71where
72    Handle: Clone + std::hash::Hash,
73    Message: Clone + 'static,
74{
75    fn from(builder: Button<'a, Message>) -> Element<'a, Message> {
76        let content = builder
77            .variant
78            .image
79            .width(builder.width)
80            .height(builder.height);
81
82        super::custom_image_button(content, builder.variant.on_remove)
83            .padding(0)
84            .selected(builder.variant.selected)
85            .id(builder.id)
86            .on_press_maybe(builder.on_press)
87            .class(builder.class)
88            .into()
89    }
90}
cosmic/widget/button/image.rs

cosmic/widget/button/
image.rs
