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
|
use std::fmt::Write;
use crate::{
graphics::{Color, Modifier, Style},
Document, Editor, Theme, View,
};
pub type GutterFn<'doc> = Box<dyn Fn(usize, bool, &mut String) -> Option<Style> + 'doc>;
pub type Gutter =
for<'doc> fn(&'doc Editor, &'doc Document, &View, &Theme, bool, usize) -> GutterFn<'doc>;
pub fn diagnostic<'doc>(
_editor: &'doc Editor,
doc: &'doc Document,
_view: &View,
theme: &Theme,
_is_focused: bool,
_width: usize,
) -> GutterFn<'doc> {
let warning = theme.get("warning");
let error = theme.get("error");
let info = theme.get("info");
let hint = theme.get("hint");
let diagnostics = doc.diagnostics();
Box::new(move |line: usize, _selected: bool, out: &mut String| {
use helix_core::diagnostic::Severity;
if let Some(diagnostic) = diagnostics.iter().find(|d| d.line == line) {
write!(out, "●").unwrap();
return Some(match diagnostic.severity {
Some(Severity::Error) => error,
Some(Severity::Warning) | None => warning,
Some(Severity::Info) => info,
Some(Severity::Hint) => hint,
});
}
None
})
}
pub fn line_number<'doc>(
editor: &'doc Editor,
doc: &'doc Document,
view: &View,
theme: &Theme,
is_focused: bool,
width: usize,
) -> GutterFn<'doc> {
let text = doc.text().slice(..);
let last_line = view.last_line(doc);
// Whether to draw the line number for the last line of the
// document or not. We only draw it if it's not an empty line.
let draw_last = text.line_to_byte(last_line) < text.len_bytes();
let linenr = theme.get("ui.linenr");
let linenr_select: Style = theme.try_get("ui.linenr.selected").unwrap_or(linenr);
let current_line = doc
.text()
.char_to_line(doc.selection(view.id).primary().cursor(text));
let config = editor.config.line_number;
Box::new(move |line: usize, selected: bool, out: &mut String| {
if line == last_line && !draw_last {
write!(out, "{:>1$}", '~', width).unwrap();
Some(linenr)
} else {
use crate::editor::LineNumber;
let line = match config {
LineNumber::Absolute => line + 1,
LineNumber::Relative => {
if current_line == line {
line + 1
} else {
abs_diff(current_line, line)
}
}
};
let style = if selected && is_focused {
linenr_select
} else {
linenr
};
write!(out, "{:>1$}", line, width).unwrap();
Some(style)
}
})
}
#[inline(always)]
const fn abs_diff(a: usize, b: usize) -> usize {
if a > b {
a - b
} else {
b - a
}
}
pub fn breakpoints<'doc>(
editor: &'doc Editor,
doc: &'doc Document,
_view: &View,
theme: &Theme,
_is_focused: bool,
_width: usize,
) -> GutterFn<'doc> {
let warning = theme.get("warning");
let error = theme.get("error");
let info = theme.get("info");
let breakpoints = doc.path().and_then(|path| editor.breakpoints.get(path));
let breakpoints = match breakpoints {
Some(breakpoints) => breakpoints,
None => return Box::new(move |_, _, _| None),
};
Box::new(move |line: usize, _selected: bool, out: &mut String| {
let breakpoint = breakpoints
.iter()
.find(|breakpoint| breakpoint.line == line);
let breakpoint = match breakpoint {
Some(b) => b,
None => return None,
};
let mut style = if breakpoint.condition.is_some() && breakpoint.log_message.is_some() {
error.add_modifier(Modifier::UNDERLINED)
} else if breakpoint.condition.is_some() {
error
} else if breakpoint.log_message.is_some() {
info
} else {
warning
};
if !breakpoint.verified {
// Faded colors
style = if let Some(Color::Rgb(r, g, b)) = style.fg {
style.fg(Color::Rgb(
((r as f32) * 0.4).floor() as u8,
((g as f32) * 0.4).floor() as u8,
((b as f32) * 0.4).floor() as u8,
))
} else {
style.fg(Color::Gray)
}
};
// TODO: also handle breakpoints only present in the user struct
let sym = if breakpoint.verified { "▲" } else { "⊚" };
write!(out, "{}", sym).unwrap();
Some(style)
})
}
|
