azul_css/props/style/
selection.rs

1//! CSS properties for styling text selections (`-azul-selection-*`).
2//!
3//! Defines the following properties (analogous to the `::selection` pseudo-element):
4//!
5//! - `-azul-selection-background-color` ([`SelectionBackgroundColor`])
6//! - `-azul-selection-color` ([`SelectionColor`])
7//! - `-azul-selection-radius` ([`SelectionRadius`])
8
9use alloc::string::String;
10
11use crate::props::{
12    basic::color::{parse_css_color, ColorU, CssColorParseError, CssColorParseErrorOwned},
13    formatter::PrintAsCssValue,
14};
15
16/// Default selection highlight background — light blue, similar to macOS.
17const DEFAULT_SELECTION_BG: ColorU = ColorU::new(173, 214, 255, 255);
18
19// --- -azul-selection-background-color ---
20
21/// Parsed value for the `-azul-selection-background-color` CSS property.
22#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
23#[repr(C)]
24pub struct SelectionBackgroundColor {
25    pub inner: ColorU,
26}
27
28impl Default for SelectionBackgroundColor {
29    fn default() -> Self {
30        Self {
31            inner: DEFAULT_SELECTION_BG,
32        }
33    }
34}
35
36impl PrintAsCssValue for SelectionBackgroundColor {
37    fn print_as_css_value(&self) -> String {
38        self.inner.to_hash()
39    }
40}
41
42impl crate::format_rust_code::FormatAsRustCode for SelectionBackgroundColor {
43    fn format_as_rust_code(&self, _tabs: usize) -> String {
44        format!(
45            "SelectionBackgroundColor {{ inner: {} }}",
46            crate::format_rust_code::format_color_value(&self.inner)
47        )
48    }
49}
50
51/// Parses a `-azul-selection-background-color` CSS value.
52#[cfg(feature = "parser")]
53pub fn parse_selection_background_color(
54    input: &str,
55) -> Result<SelectionBackgroundColor, CssColorParseError<'_>> {
56    parse_css_color(input).map(|inner| SelectionBackgroundColor { inner })
57}
58
59// --- -azul-selection-color ---
60
61/// Parsed value for the `-azul-selection-color` CSS property.
62#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
63#[repr(C)]
64pub struct SelectionColor {
65    pub inner: ColorU,
66}
67
68impl Default for SelectionColor {
69    fn default() -> Self {
70        Self {
71            inner: ColorU::BLACK,
72        }
73    }
74}
75
76impl PrintAsCssValue for SelectionColor {
77    fn print_as_css_value(&self) -> String {
78        self.inner.to_hash()
79    }
80}
81
82impl crate::format_rust_code::FormatAsRustCode for SelectionColor {
83    fn format_as_rust_code(&self, _tabs: usize) -> String {
84        format!(
85            "SelectionColor {{ inner: {} }}",
86            crate::format_rust_code::format_color_value(&self.inner)
87        )
88    }
89}
90
91/// Parses a `-azul-selection-color` CSS value.
92#[cfg(feature = "parser")]
93pub fn parse_selection_color(input: &str) -> Result<SelectionColor, CssColorParseError<'_>> {
94    parse_css_color(input).map(|inner| SelectionColor { inner })
95}
96
97// --- -azul-selection-radius ---
98
99use crate::props::basic::{
100    pixel::{parse_pixel_value, CssPixelValueParseError, CssPixelValueParseErrorOwned, PixelValue},
101    SizeMetric,
102};
103
104/// Parsed value for the `-azul-selection-radius` CSS property.
105#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
106#[repr(C)]
107pub struct SelectionRadius {
108    pub inner: PixelValue,
109}
110
111impl Default for SelectionRadius {
112    fn default() -> Self {
113        Self {
114            inner: PixelValue::zero(),
115        }
116    }
117}
118
119impl PrintAsCssValue for SelectionRadius {
120    fn print_as_css_value(&self) -> String {
121        self.inner.to_string()
122    }
123}
124
125impl crate::format_rust_code::FormatAsRustCode for SelectionRadius {
126    fn format_as_rust_code(&self, _tabs: usize) -> String {
127        // Use the Display implementation of PixelValue to get a string like "5px" or "1em"
128        format!(
129            "SelectionRadius {{ inner: PixelValue::from_metric(SizeMetric::{:?}, {}) }}",
130            self.inner.metric,
131            self.inner.number.get()
132        )
133    }
134}
135
136/// Parses a `-azul-selection-radius` CSS value.
137#[cfg(feature = "parser")]
138pub fn parse_selection_radius(input: &str) -> Result<SelectionRadius, CssPixelValueParseError<'_>> {
139    parse_pixel_value(input).map(|inner| SelectionRadius { inner })
140}
azul_css/props/style/selection.rs

azul_css/props/style/
selection.rs
