floem 0.2.0

A native Rust UI library with fine-grained reactivity
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

use std::time::Duration;

use taffy::style::{Dimension, LengthPercentage, LengthPercentageAuto};

/// A pixel value
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Px(pub f64);

/// A percent value
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Pct(pub f64);
impl From<f32> for Pct {
    fn from(value: f32) -> Self {
        Pct(value as f64)
    }
}

impl From<i32> for Pct {
    fn from(value: i32) -> Self {
        Pct(value as f64)
    }
}

/// Used for automatically computed values
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Auto;

impl From<f64> for Px {
    fn from(value: f64) -> Self {
        Px(value)
    }
}

impl From<f32> for Px {
    fn from(value: f32) -> Self {
        Px(value as f64)
    }
}

impl From<i32> for Px {
    fn from(value: i32) -> Self {
        Px(value as f64)
    }
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub enum PxPct {
    Px(f64),
    Pct(f64),
}

impl From<Pct> for PxPct {
    fn from(value: Pct) -> Self {
        PxPct::Pct(value.0)
    }
}

impl<T> From<T> for PxPct
where
    T: Into<Px>,
{
    fn from(value: T) -> Self {
        PxPct::Px(value.into().0)
    }
}

#[derive(Debug, Clone, Copy, PartialEq)]
pub enum PxPctAuto {
    Px(f64),
    Pct(f64),
    Auto,
}

impl From<Pct> for PxPctAuto {
    fn from(value: Pct) -> Self {
        PxPctAuto::Pct(value.0)
    }
}

impl From<Auto> for PxPctAuto {
    fn from(_: Auto) -> Self {
        PxPctAuto::Auto
    }
}

impl<T> From<T> for PxPctAuto
where
    T: Into<Px>,
{
    fn from(value: T) -> Self {
        PxPctAuto::Px(value.into().0)
    }
}

impl From<PxPct> for PxPctAuto {
    fn from(value: PxPct) -> Self {
        match value {
            PxPct::Pct(pct) => PxPctAuto::Pct(pct),
            PxPct::Px(px) => PxPctAuto::Px(px),
        }
    }
}

pub trait DurationUnitExt {
    fn minutes(self) -> Duration;
    fn seconds(self) -> Duration;
    fn millis(self) -> Duration;
}
impl DurationUnitExt for u64 {
    fn minutes(self) -> Duration {
        Duration::from_secs(self)
    }

    fn seconds(self) -> Duration {
        Duration::from_secs(self)
    }

    fn millis(self) -> Duration {
        Duration::from_millis(self)
    }
}

pub trait UnitExt {
    fn pct(self) -> Pct;
    fn px(self) -> Px;
}

impl UnitExt for f64 {
    fn pct(self) -> Pct {
        Pct(self)
    }

    fn px(self) -> Px {
        Px(self)
    }
}

impl UnitExt for i32 {
    fn pct(self) -> Pct {
        Pct(self as f64)
    }

    fn px(self) -> Px {
        Px(self as f64)
    }
}

impl From<PxPctAuto> for Dimension {
    fn from(value: PxPctAuto) -> Self {
        match value {
            PxPctAuto::Px(v) => Dimension::Length(v as f32),
            PxPctAuto::Pct(v) => Dimension::Percent(v as f32 / 100.0),
            PxPctAuto::Auto => Dimension::Auto,
        }
    }
}

impl From<PxPct> for LengthPercentage {
    fn from(value: PxPct) -> Self {
        match value {
            PxPct::Px(v) => LengthPercentage::Length(v as f32),
            PxPct::Pct(v) => LengthPercentage::Percent(v as f32 / 100.0),
        }
    }
}

impl From<PxPctAuto> for LengthPercentageAuto {
    fn from(value: PxPctAuto) -> Self {
        match value {
            PxPctAuto::Px(v) => LengthPercentageAuto::Length(v as f32),
            PxPctAuto::Pct(v) => LengthPercentageAuto::Percent(v as f32 / 100.0),
            PxPctAuto::Auto => LengthPercentageAuto::Auto,
        }
    }
}