fluix 0.1.22

Rust UI components for GPUI
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178

use gpui::prelude::FluentBuilder;
use gpui::*;
use crate::theme::*;
use crate::components::basic::icon::{Icon, IconName};

// ============================================================================
// Events
// ============================================================================

/// Events emitted by the Checkbox component
#[derive(Clone, Debug)]
pub enum CheckboxEvent {
    /// Checkbox state changed
    Changed(bool),
}

impl EventEmitter<CheckboxEvent> for Checkbox {}

// ============================================================================
// Component
// ============================================================================

/// A checkbox component
///
/// # Example
///
/// ```rust,ignore
/// let checkbox = cx.new(|cx| {
///     Checkbox::new(cx)
///         .label("Accept terms")
///         .checked(true)
/// });
///
/// cx.subscribe(&checkbox, |this, checkbox, event: &CheckboxEvent, cx| {
///     match event {
///         CheckboxEvent::Changed(checked) => println!("Checked: {}", checked),
///     }
/// });
/// ```
pub struct Checkbox {
    /// Label text
    label: Option<String>,
    /// Whether the checkbox is checked
    checked: bool,
    /// Whether the checkbox is disabled
    disabled: bool,
    /// Size of the checkbox
    size: ComponentSize,
    /// Custom text color
    custom_text_color: Option<Rgba>,
}

impl Checkbox {
    /// Create a new Checkbox
    pub fn new(_cx: &mut Context<Self>) -> Self {
        Self {
            label: None,
            checked: false,
            disabled: false,
            size: ComponentSize::Medium,
            custom_text_color: None,
        }
    }

    /// Set the label text
    pub fn label(mut self, label: impl Into<String>) -> Self {
        self.label = Some(label.into());
        self
    }

    /// Set the checked state
    pub fn checked(mut self, checked: bool) -> Self {
        self.checked = checked;
        self
    }

    /// Set the disabled state
    pub fn disabled(mut self, disabled: bool) -> Self {
        self.disabled = disabled;
        self
    }

    /// Set the size
    pub fn size(mut self, size: ComponentSize) -> Self {
        self.size = size;
        self
    }

    /// Set custom text color
    pub fn text_color(mut self, color: Rgba) -> Self {
        self.custom_text_color = Some(color);
        self
    }

    /// Toggle the checkbox state
    fn toggle(&mut self, cx: &mut Context<Self>) {
        if !self.disabled {
            self.checked = !self.checked;
            cx.emit(CheckboxEvent::Changed(self.checked));
            cx.notify();
        }
    }

    /// Get the checkbox box size
    fn box_size(&self) -> Pixels {
        match self.size {
            ComponentSize::XSmall => px(14.0),
            ComponentSize::Small => px(16.0),
            ComponentSize::Medium => px(18.0),
            ComponentSize::Large => px(20.0),
            ComponentSize::XLarge => px(22.0),
        }
    }
}

// ============================================================================
// Render
// ============================================================================

impl Render for Checkbox {
    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let theme = Theme::default();
        let checked = self.checked;
        let disabled = self.disabled;
        let label = self.label.clone();
        let box_size = self.box_size();
        let text_size = self.size.font_size();

        div()
            .id("checkbox")
            .flex()
            .items_center()
            .gap_2()
            .cursor(if disabled { CursorStyle::Arrow } else { CursorStyle::PointingHand })
            .when(disabled, |this| {
                this.opacity(0.64)
            })
            .on_mouse_down(MouseButton::Left, cx.listener(|this, _event: &MouseDownEvent, _window, cx| {
                this.toggle(cx);
            }))
            .child(
                // Checkbox box
                div()
                    .flex()
                    .items_center()
                    .justify_center()
                    .size(box_size)
                    .rounded(px(4.))
                    .border_1()
                    .border_color(if checked {
                        theme.colors.primary
                    } else {
                        theme.colors.border
                    })
                    .bg(if checked {
                        theme.colors.primary
                    } else {
                        rgb(0xFFFFFF)
                    })
                    .when(checked, |this| {
                        this.child(
                            Icon::new(IconName::Check)
                                .size(crate::components::basic::icon::IconSize::Small)
                                .color(rgb(0xFFFFFF))
                        )
                    })
            )
            .when_some(label, |this, label| {
                this.child(
                    div()
                        .text_size(text_size)
                        .text_color(self.custom_text_color.unwrap_or(theme.colors.text))
                        .child(label)
                )
            })
    }
}