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
use std::rc::Rc;
use gpui::{
AnyElement, App, AppContext as _, Entity, IntoElement, SharedString, StyleRefinement, Styled,
Subscription, Window, prelude::FluentBuilder as _,
};
use crate::{
AxisExt, Sizable, StyledExt,
input::{InputEvent, InputState, NumberInput, NumberInputEvent, StepAction},
setting::{
AnySettingField, RenderOptions,
fields::{SettingFieldRender, get_value, set_value},
},
};
#[derive(Clone, Debug)]
pub struct NumberFieldOptions {
/// The minimum value for the number input, default is `f64::MIN`.
pub min: f64,
/// The maximum value for the number input, default is `f64::MAX`.
pub max: f64,
/// The step value for the number input, default is `1.0`.
pub step: f64,
}
impl Default for NumberFieldOptions {
fn default() -> Self {
Self {
min: f64::MIN,
max: f64::MAX,
step: 1.0,
}
}
}
pub(crate) struct NumberField {
options: NumberFieldOptions,
}
impl NumberField {
pub(crate) fn new(options: Option<&NumberFieldOptions>) -> Self {
Self {
options: options.cloned().unwrap_or_default(),
}
}
}
struct State {
input: Entity<InputState>,
initial_value: f64,
_subscriptions: Vec<Subscription>,
}
impl SettingFieldRender for NumberField {
fn render(
&self,
field: Rc<dyn AnySettingField>,
options: &RenderOptions,
style: &StyleRefinement,
window: &mut Window,
cx: &mut App,
) -> AnyElement {
let value = get_value::<f64>(&field, cx);
let set_value = set_value::<f64>(&field, cx);
let num_options = self.options.clone();
let state = window
.use_keyed_state(
SharedString::from(format!(
"number-state-{}-{}-{}",
options.page_ix, options.group_ix, options.item_ix
)),
cx,
|window, cx| {
let input =
cx.new(|cx| InputState::new(window, cx).default_value(value.to_string()));
let _subscriptions = vec![
cx.subscribe_in(&input, window, {
move |_, input, event: &NumberInputEvent, window, cx| match event {
NumberInputEvent::Step(action) => input.update(cx, |input, cx| {
let value = input.value();
if let Ok(value) = value.parse::<f64>() {
let new_value = if *action == StepAction::Increment {
value + num_options.step
} else {
value - num_options.step
};
input.set_value(
SharedString::from(new_value.to_string()),
window,
cx,
);
}
}),
}
}),
cx.subscribe_in(&input, window, {
move |state: &mut State, input, event: &InputEvent, window, cx| {
match event {
InputEvent::Change => {
input.update(cx, |input, cx| {
let value = input.value();
if value == state.initial_value.to_string() {
return;
}
if let Ok(value) = value.parse::<f64>() {
let clamp_value =
value.clamp(num_options.min, num_options.max);
set_value(clamp_value, cx);
state.initial_value = clamp_value;
if clamp_value != value {
input.set_value(
SharedString::from(clamp_value.to_string()),
window,
cx,
);
}
}
});
}
_ => {}
}
}
}),
];
State {
input,
initial_value: value,
_subscriptions,
}
},
)
.read(cx);
NumberInput::new(&state.input)
.with_size(options.size)
.map(|this| {
if options.layout.is_horizontal() {
this.w_32()
} else {
this.w_full()
}
})
.refine_style(style)
.into_any_element()
}
}