1use std::{
2 hash::{Hash, Hasher},
3 iter, mem,
4 ops::Range,
5};
6
7use crate::{
8 black, phi, point, quad, rems, AbsoluteLength, Bounds, ContentMask, Corners, CornersRefinement,
9 CursorStyle, DefiniteLength, Edges, EdgesRefinement, Font, FontFeatures, FontStyle, FontWeight,
10 Hsla, Length, Pixels, Point, PointRefinement, Rgba, SharedString, Size, SizeRefinement, Styled,
11 TextRun, WindowContext,
12};
13use collections::HashSet;
14use refineable::Refineable;
15use smallvec::SmallVec;
16pub use taffy::style::{
17 AlignContent, AlignItems, AlignSelf, Display, FlexDirection, FlexWrap, JustifyContent,
18 Overflow, Position,
19};
20
21/// Use this struct for interfacing with the 'debug_below' styling from your own elements.
22/// If a parent element has this style set on it, then this struct will be set as a global in
23/// GPUI.
24#[cfg(debug_assertions)]
25pub struct DebugBelow;
26
27#[cfg(debug_assertions)]
28impl crate::Global for DebugBelow {}
29
30/// The CSS styling that can be applied to an element via the `Styled` trait
31#[derive(Clone, Refineable, Debug)]
32#[refineable(Debug)]
33pub struct Style {
34 /// What layout strategy should be used?
35 pub display: Display,
36
37 /// Should the element be painted on screen?
38 pub visibility: Visibility,
39
40 // Overflow properties
41 /// How children overflowing their container should affect layout
42 #[refineable]
43 pub overflow: Point<Overflow>,
44 /// How much space (in points) should be reserved for the scrollbars of `Overflow::Scroll` and `Overflow::Auto` nodes.
45 pub scrollbar_width: f32,
46
47 // Position properties
48 /// What should the `position` value of this struct use as a base offset?
49 pub position: Position,
50 /// How should the position of this element be tweaked relative to the layout defined?
51 #[refineable]
52 pub inset: Edges<Length>,
53
54 // Size properties
55 /// Sets the initial size of the item
56 #[refineable]
57 pub size: Size<Length>,
58 /// Controls the minimum size of the item
59 #[refineable]
60 pub min_size: Size<Length>,
61 /// Controls the maximum size of the item
62 #[refineable]
63 pub max_size: Size<Length>,
64 /// Sets the preferred aspect ratio for the item. The ratio is calculated as width divided by height.
65 pub aspect_ratio: Option<f32>,
66
67 // Spacing Properties
68 /// How large should the margin be on each side?
69 #[refineable]
70 pub margin: Edges<Length>,
71 /// How large should the padding be on each side?
72 #[refineable]
73 pub padding: Edges<DefiniteLength>,
74 /// How large should the border be on each side?
75 #[refineable]
76 pub border_widths: Edges<AbsoluteLength>,
77
78 // Alignment properties
79 /// How this node's children aligned in the cross/block axis?
80 pub align_items: Option<AlignItems>,
81 /// How this node should be aligned in the cross/block axis. Falls back to the parents [`AlignItems`] if not set
82 pub align_self: Option<AlignSelf>,
83 /// How should content contained within this item be aligned in the cross/block axis
84 pub align_content: Option<AlignContent>,
85 /// How should contained within this item be aligned in the main/inline axis
86 pub justify_content: Option<JustifyContent>,
87 /// How large should the gaps between items in a flex container be?
88 #[refineable]
89 pub gap: Size<DefiniteLength>,
90
91 // Flexbox properties
92 /// Which direction does the main axis flow in?
93 pub flex_direction: FlexDirection,
94 /// Should elements wrap, or stay in a single line?
95 pub flex_wrap: FlexWrap,
96 /// Sets the initial main axis size of the item
97 pub flex_basis: Length,
98 /// The relative rate at which this item grows when it is expanding to fill space, 0.0 is the default value, and this value must be positive.
99 pub flex_grow: f32,
100 /// The relative rate at which this item shrinks when it is contracting to fit into space, 1.0 is the default value, and this value must be positive.
101 pub flex_shrink: f32,
102
103 /// The fill color of this element
104 pub background: Option<Fill>,
105
106 /// The border color of this element
107 pub border_color: Option<Hsla>,
108
109 /// The radius of the corners of this element
110 #[refineable]
111 pub corner_radii: Corners<AbsoluteLength>,
112
113 /// Box Shadow of the element
114 pub box_shadow: SmallVec<[BoxShadow; 2]>,
115
116 /// The text style of this element
117 pub text: TextStyleRefinement,
118
119 /// The mouse cursor style shown when the mouse pointer is over an element.
120 pub mouse_cursor: Option<CursorStyle>,
121
122 /// Whether to draw a red debugging outline around this element
123 #[cfg(debug_assertions)]
124 pub debug: bool,
125
126 /// Whether to draw a red debugging outline around this element and all of its conforming children
127 #[cfg(debug_assertions)]
128 pub debug_below: bool,
129}
130
131impl Styled for StyleRefinement {
132 fn style(&mut self) -> &mut StyleRefinement {
133 self
134 }
135}
136
137/// The value of the visibility property, similar to the CSS property `visibility`
138#[derive(Default, Clone, Copy, Debug, Eq, PartialEq)]
139pub enum Visibility {
140 /// The element should be drawn as normal.
141 #[default]
142 Visible,
143 /// The element should not be drawn, but should still take up space in the layout.
144 Hidden,
145}
146
147/// The possible values of the box-shadow property
148#[derive(Clone, Debug)]
149pub struct BoxShadow {
150 /// What color should the shadow have?
151 pub color: Hsla,
152 /// How should it be offset from its element?
153 pub offset: Point<Pixels>,
154 /// How much should the shadow be blurred?
155 pub blur_radius: Pixels,
156 /// How much should the shadow spread?
157 pub spread_radius: Pixels,
158}
159
160/// How to handle whitespace in text
161#[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]
162pub enum WhiteSpace {
163 /// Normal line wrapping when text overflows the width of the element
164 #[default]
165 Normal,
166 /// No line wrapping, text will overflow the width of the element
167 Nowrap,
168}
169
170/// The properties that can be used to style text in GPUI
171#[derive(Refineable, Clone, Debug, PartialEq)]
172#[refineable(Debug)]
173pub struct TextStyle {
174 /// The color of the text
175 pub color: Hsla,
176
177 /// The font family to use
178 pub font_family: SharedString,
179
180 /// The font features to use
181 pub font_features: FontFeatures,
182
183 /// The font size to use, in pixels or rems.
184 pub font_size: AbsoluteLength,
185
186 /// The line height to use, in pixels or fractions
187 pub line_height: DefiniteLength,
188
189 /// The font weight, e.g. bold
190 pub font_weight: FontWeight,
191
192 /// The font style, e.g. italic
193 pub font_style: FontStyle,
194
195 /// The background color of the text
196 pub background_color: Option<Hsla>,
197
198 /// The underline style of the text
199 pub underline: Option<UnderlineStyle>,
200
201 /// The strikethrough style of the text
202 pub strikethrough: Option<StrikethroughStyle>,
203
204 /// How to handle whitespace in the text
205 pub white_space: WhiteSpace,
206}
207
208impl Default for TextStyle {
209 fn default() -> Self {
210 TextStyle {
211 color: black(),
212 // todo(linux) make this configurable or choose better default
213 font_family: if cfg!(target_os = "linux") {
214 "FreeMono".into()
215 } else if cfg!(target_os = "windows") {
216 "Segoe UI".into()
217 } else {
218 "Helvetica".into()
219 },
220 font_features: FontFeatures::default(),
221 font_size: rems(1.).into(),
222 line_height: phi(),
223 font_weight: FontWeight::default(),
224 font_style: FontStyle::default(),
225 background_color: None,
226 underline: None,
227 strikethrough: None,
228 white_space: WhiteSpace::Normal,
229 }
230 }
231}
232
233impl TextStyle {
234 /// Create a new text style with the given highlighting applied.
235 pub fn highlight(mut self, style: impl Into<HighlightStyle>) -> Self {
236 let style = style.into();
237 if let Some(weight) = style.font_weight {
238 self.font_weight = weight;
239 }
240 if let Some(style) = style.font_style {
241 self.font_style = style;
242 }
243
244 if let Some(color) = style.color {
245 self.color = self.color.blend(color);
246 }
247
248 if let Some(factor) = style.fade_out {
249 self.color.fade_out(factor);
250 }
251
252 if let Some(background_color) = style.background_color {
253 self.background_color = Some(background_color);
254 }
255
256 if let Some(underline) = style.underline {
257 self.underline = Some(underline);
258 }
259
260 if let Some(strikethrough) = style.strikethrough {
261 self.strikethrough = Some(strikethrough);
262 }
263
264 self
265 }
266
267 /// Get the font configured for this text style.
268 pub fn font(&self) -> Font {
269 Font {
270 family: self.font_family.clone(),
271 features: self.font_features.clone(),
272 weight: self.font_weight,
273 style: self.font_style,
274 }
275 }
276
277 /// Returns the rounded line height in pixels.
278 pub fn line_height_in_pixels(&self, rem_size: Pixels) -> Pixels {
279 self.line_height.to_pixels(self.font_size, rem_size).round()
280 }
281
282 /// Convert this text style into a [`TextRun`], for the given length of the text.
283 pub fn to_run(&self, len: usize) -> TextRun {
284 TextRun {
285 len,
286 font: Font {
287 family: self.font_family.clone(),
288 features: Default::default(),
289 weight: self.font_weight,
290 style: self.font_style,
291 },
292 color: self.color,
293 background_color: self.background_color,
294 underline: self.underline,
295 strikethrough: self.strikethrough,
296 }
297 }
298}
299
300/// A highlight style to apply, similar to a `TextStyle` except
301/// for a single font, uniformly sized and spaced text.
302#[derive(Copy, Clone, Debug, Default, PartialEq)]
303pub struct HighlightStyle {
304 /// The color of the text
305 pub color: Option<Hsla>,
306
307 /// The font weight, e.g. bold
308 pub font_weight: Option<FontWeight>,
309
310 /// The font style, e.g. italic
311 pub font_style: Option<FontStyle>,
312
313 /// The background color of the text
314 pub background_color: Option<Hsla>,
315
316 /// The underline style of the text
317 pub underline: Option<UnderlineStyle>,
318
319 /// The underline style of the text
320 pub strikethrough: Option<StrikethroughStyle>,
321
322 /// Similar to the CSS `opacity` property, this will cause the text to be less vibrant.
323 pub fade_out: Option<f32>,
324}
325
326impl Eq for HighlightStyle {}
327
328impl Hash for HighlightStyle {
329 fn hash<H: Hasher>(&self, state: &mut H) {
330 self.color.hash(state);
331 self.font_weight.hash(state);
332 self.font_style.hash(state);
333 self.background_color.hash(state);
334 self.underline.hash(state);
335 self.strikethrough.hash(state);
336 state.write_u32(u32::from_be_bytes(
337 self.fade_out.map(|f| f.to_be_bytes()).unwrap_or_default(),
338 ));
339 }
340}
341
342impl Style {
343 /// Returns true if the style is visible and the background is opaque.
344 pub fn has_opaque_background(&self) -> bool {
345 self.background
346 .as_ref()
347 .is_some_and(|fill| fill.color().is_some_and(|color| !color.is_transparent()))
348 }
349
350 /// Get the text style in this element style.
351 pub fn text_style(&self) -> Option<&TextStyleRefinement> {
352 if self.text.is_some() {
353 Some(&self.text)
354 } else {
355 None
356 }
357 }
358
359 /// Get the content mask for this element style, based on the given bounds.
360 /// If the element does not hide its overflow, this will return `None`.
361 pub fn overflow_mask(
362 &self,
363 bounds: Bounds<Pixels>,
364 rem_size: Pixels,
365 ) -> Option<ContentMask<Pixels>> {
366 match self.overflow {
367 Point {
368 x: Overflow::Visible,
369 y: Overflow::Visible,
370 } => None,
371 _ => {
372 let mut min = bounds.origin;
373 let mut max = bounds.lower_right();
374
375 if self
376 .border_color
377 .map_or(false, |color| !color.is_transparent())
378 {
379 min.x += self.border_widths.left.to_pixels(rem_size);
380 max.x -= self.border_widths.right.to_pixels(rem_size);
381 min.y += self.border_widths.top.to_pixels(rem_size);
382 max.y -= self.border_widths.bottom.to_pixels(rem_size);
383 }
384
385 let bounds = match (
386 self.overflow.x == Overflow::Visible,
387 self.overflow.y == Overflow::Visible,
388 ) {
389 // x and y both visible
390 (true, true) => return None,
391 // x visible, y hidden
392 (true, false) => Bounds::from_corners(
393 point(min.x, bounds.origin.y),
394 point(max.x, bounds.lower_right().y),
395 ),
396 // x hidden, y visible
397 (false, true) => Bounds::from_corners(
398 point(bounds.origin.x, min.y),
399 point(bounds.lower_right().x, max.y),
400 ),
401 // both hidden
402 (false, false) => Bounds::from_corners(min, max),
403 };
404
405 Some(ContentMask { bounds })
406 }
407 }
408 }
409
410 /// Paints the background of an element styled with this style.
411 pub fn paint(
412 &self,
413 bounds: Bounds<Pixels>,
414 cx: &mut WindowContext,
415 continuation: impl FnOnce(&mut WindowContext),
416 ) {
417 #[cfg(debug_assertions)]
418 if self.debug_below {
419 cx.set_global(DebugBelow)
420 }
421
422 #[cfg(debug_assertions)]
423 if self.debug || cx.has_global::<DebugBelow>() {
424 cx.paint_quad(crate::outline(bounds, crate::red()));
425 }
426
427 let rem_size = cx.rem_size();
428
429 cx.paint_shadows(
430 bounds,
431 self.corner_radii.to_pixels(bounds.size, rem_size),
432 &self.box_shadow,
433 );
434
435 let background_color = self.background.as_ref().and_then(Fill::color);
436 if background_color.map_or(false, |color| !color.is_transparent()) {
437 let mut border_color = background_color.unwrap_or_default();
438 border_color.a = 0.;
439 cx.paint_quad(quad(
440 bounds,
441 self.corner_radii.to_pixels(bounds.size, rem_size),
442 background_color.unwrap_or_default(),
443 Edges::default(),
444 border_color,
445 ));
446 }
447
448 continuation(cx);
449
450 if self.is_border_visible() {
451 let corner_radii = self.corner_radii.to_pixels(bounds.size, rem_size);
452 let border_widths = self.border_widths.to_pixels(rem_size);
453 let max_border_width = border_widths.max();
454 let max_corner_radius = corner_radii.max();
455
456 let top_bounds = Bounds::from_corners(
457 bounds.origin,
458 bounds.upper_right() + point(Pixels::ZERO, max_border_width.max(max_corner_radius)),
459 );
460 let bottom_bounds = Bounds::from_corners(
461 bounds.lower_left() - point(Pixels::ZERO, max_border_width.max(max_corner_radius)),
462 bounds.lower_right(),
463 );
464 let left_bounds = Bounds::from_corners(
465 top_bounds.lower_left(),
466 bottom_bounds.origin + point(max_border_width, Pixels::ZERO),
467 );
468 let right_bounds = Bounds::from_corners(
469 top_bounds.lower_right() - point(max_border_width, Pixels::ZERO),
470 bottom_bounds.upper_right(),
471 );
472
473 let mut background = self.border_color.unwrap_or_default();
474 background.a = 0.;
475 let quad = quad(
476 bounds,
477 corner_radii,
478 background,
479 border_widths,
480 self.border_color.unwrap_or_default(),
481 );
482
483 cx.with_content_mask(Some(ContentMask { bounds: top_bounds }), |cx| {
484 cx.paint_quad(quad.clone());
485 });
486 cx.with_content_mask(
487 Some(ContentMask {
488 bounds: right_bounds,
489 }),
490 |cx| {
491 cx.paint_quad(quad.clone());
492 },
493 );
494 cx.with_content_mask(
495 Some(ContentMask {
496 bounds: bottom_bounds,
497 }),
498 |cx| {
499 cx.paint_quad(quad.clone());
500 },
501 );
502 cx.with_content_mask(
503 Some(ContentMask {
504 bounds: left_bounds,
505 }),
506 |cx| {
507 cx.paint_quad(quad);
508 },
509 );
510 }
511
512 #[cfg(debug_assertions)]
513 if self.debug_below {
514 cx.remove_global::<DebugBelow>();
515 }
516 }
517
518 fn is_border_visible(&self) -> bool {
519 self.border_color
520 .map_or(false, |color| !color.is_transparent())
521 && self.border_widths.any(|length| !length.is_zero())
522 }
523}
524
525impl Default for Style {
526 fn default() -> Self {
527 Style {
528 display: Display::Block,
529 visibility: Visibility::Visible,
530 overflow: Point {
531 x: Overflow::Visible,
532 y: Overflow::Visible,
533 },
534 scrollbar_width: 0.0,
535 position: Position::Relative,
536 inset: Edges::auto(),
537 margin: Edges::<Length>::zero(),
538 padding: Edges::<DefiniteLength>::zero(),
539 border_widths: Edges::<AbsoluteLength>::zero(),
540 size: Size::auto(),
541 min_size: Size::auto(),
542 max_size: Size::auto(),
543 aspect_ratio: None,
544 gap: Size::default(),
545 // Alignment
546 align_items: None,
547 align_self: None,
548 align_content: None,
549 justify_content: None,
550 // Flexbox
551 flex_direction: FlexDirection::Row,
552 flex_wrap: FlexWrap::NoWrap,
553 flex_grow: 0.0,
554 flex_shrink: 1.0,
555 flex_basis: Length::Auto,
556 background: None,
557 border_color: None,
558 corner_radii: Corners::default(),
559 box_shadow: Default::default(),
560 text: TextStyleRefinement::default(),
561 mouse_cursor: None,
562
563 #[cfg(debug_assertions)]
564 debug: false,
565 #[cfg(debug_assertions)]
566 debug_below: false,
567 }
568 }
569}
570
571/// The properties that can be applied to an underline.
572#[derive(Refineable, Copy, Clone, Default, Debug, PartialEq, Eq, Hash)]
573#[refineable(Debug)]
574pub struct UnderlineStyle {
575 /// The thickness of the underline.
576 pub thickness: Pixels,
577
578 /// The color of the underline.
579 pub color: Option<Hsla>,
580
581 /// Whether the underline should be wavy, like in a spell checker.
582 pub wavy: bool,
583}
584
585/// The properties that can be applied to a strikethrough.
586#[derive(Refineable, Copy, Clone, Default, Debug, PartialEq, Eq, Hash)]
587#[refineable(Debug)]
588pub struct StrikethroughStyle {
589 /// The thickness of the strikethrough.
590 pub thickness: Pixels,
591
592 /// The color of the strikethrough.
593 pub color: Option<Hsla>,
594}
595
596/// The kinds of fill that can be applied to a shape.
597#[derive(Clone, Debug)]
598pub enum Fill {
599 /// A solid color fill.
600 Color(Hsla),
601}
602
603impl Fill {
604 /// Unwrap this fill into a solid color, if it is one.
605 pub fn color(&self) -> Option<Hsla> {
606 match self {
607 Fill::Color(color) => Some(*color),
608 }
609 }
610}
611
612impl Default for Fill {
613 fn default() -> Self {
614 Self::Color(Hsla::default())
615 }
616}
617
618impl From<Hsla> for Fill {
619 fn from(color: Hsla) -> Self {
620 Self::Color(color)
621 }
622}
623
624impl From<Rgba> for Fill {
625 fn from(color: Rgba) -> Self {
626 Self::Color(color.into())
627 }
628}
629
630impl From<TextStyle> for HighlightStyle {
631 fn from(other: TextStyle) -> Self {
632 Self::from(&other)
633 }
634}
635
636impl From<&TextStyle> for HighlightStyle {
637 fn from(other: &TextStyle) -> Self {
638 Self {
639 color: Some(other.color),
640 font_weight: Some(other.font_weight),
641 font_style: Some(other.font_style),
642 background_color: other.background_color,
643 underline: other.underline,
644 strikethrough: other.strikethrough,
645 fade_out: None,
646 }
647 }
648}
649
650impl HighlightStyle {
651 /// Create a highlight style with just a color
652 pub fn color(color: Hsla) -> Self {
653 Self {
654 color: Some(color),
655 ..Default::default()
656 }
657 }
658 /// Blend this highlight style with another.
659 /// Non-continuous properties, like font_weight and font_style, are overwritten.
660 pub fn highlight(&mut self, other: HighlightStyle) {
661 match (self.color, other.color) {
662 (Some(self_color), Some(other_color)) => {
663 self.color = Some(Hsla::blend(other_color, self_color));
664 }
665 (None, Some(other_color)) => {
666 self.color = Some(other_color);
667 }
668 _ => {}
669 }
670
671 if other.font_weight.is_some() {
672 self.font_weight = other.font_weight;
673 }
674
675 if other.font_style.is_some() {
676 self.font_style = other.font_style;
677 }
678
679 if other.background_color.is_some() {
680 self.background_color = other.background_color;
681 }
682
683 if other.underline.is_some() {
684 self.underline = other.underline;
685 }
686
687 if other.strikethrough.is_some() {
688 self.strikethrough = other.strikethrough;
689 }
690
691 match (other.fade_out, self.fade_out) {
692 (Some(source_fade), None) => self.fade_out = Some(source_fade),
693 (Some(source_fade), Some(dest_fade)) => {
694 self.fade_out = Some((dest_fade * (1. + source_fade)).clamp(0., 1.));
695 }
696 _ => {}
697 }
698 }
699}
700
701impl From<Hsla> for HighlightStyle {
702 fn from(color: Hsla) -> Self {
703 Self {
704 color: Some(color),
705 ..Default::default()
706 }
707 }
708}
709
710impl From<FontWeight> for HighlightStyle {
711 fn from(font_weight: FontWeight) -> Self {
712 Self {
713 font_weight: Some(font_weight),
714 ..Default::default()
715 }
716 }
717}
718
719impl From<FontStyle> for HighlightStyle {
720 fn from(font_style: FontStyle) -> Self {
721 Self {
722 font_style: Some(font_style),
723 ..Default::default()
724 }
725 }
726}
727
728impl From<Rgba> for HighlightStyle {
729 fn from(color: Rgba) -> Self {
730 Self {
731 color: Some(color.into()),
732 ..Default::default()
733 }
734 }
735}
736
737/// Combine and merge the highlights and ranges in the two iterators.
738pub fn combine_highlights(
739 a: impl IntoIterator<Item = (Range<usize>, HighlightStyle)>,
740 b: impl IntoIterator<Item = (Range<usize>, HighlightStyle)>,
741) -> impl Iterator<Item = (Range<usize>, HighlightStyle)> {
742 let mut endpoints = Vec::new();
743 let mut highlights = Vec::new();
744 for (range, highlight) in a.into_iter().chain(b) {
745 if !range.is_empty() {
746 let highlight_id = highlights.len();
747 endpoints.push((range.start, highlight_id, true));
748 endpoints.push((range.end, highlight_id, false));
749 highlights.push(highlight);
750 }
751 }
752 endpoints.sort_unstable_by_key(|(position, _, _)| *position);
753 let mut endpoints = endpoints.into_iter().peekable();
754
755 let mut active_styles = HashSet::default();
756 let mut ix = 0;
757 iter::from_fn(move || {
758 while let Some((endpoint_ix, highlight_id, is_start)) = endpoints.peek() {
759 let prev_index = mem::replace(&mut ix, *endpoint_ix);
760 if ix > prev_index && !active_styles.is_empty() {
761 let mut current_style = HighlightStyle::default();
762 for highlight_id in &active_styles {
763 current_style.highlight(highlights[*highlight_id]);
764 }
765 return Some((prev_index..ix, current_style));
766 }
767
768 if *is_start {
769 active_styles.insert(*highlight_id);
770 } else {
771 active_styles.remove(highlight_id);
772 }
773 endpoints.next();
774 }
775 None
776 })
777}
778
779#[cfg(test)]
780mod tests {
781 use crate::{blue, green, red, yellow};
782
783 use super::*;
784
785 #[test]
786 fn test_combine_highlights() {
787 assert_eq!(
788 combine_highlights(
789 [
790 (0..5, green().into()),
791 (4..10, FontWeight::BOLD.into()),
792 (15..20, yellow().into()),
793 ],
794 [
795 (2..6, FontStyle::Italic.into()),
796 (1..3, blue().into()),
797 (21..23, red().into()),
798 ]
799 )
800 .collect::<Vec<_>>(),
801 [
802 (
803 0..1,
804 HighlightStyle {
805 color: Some(green()),
806 ..Default::default()
807 }
808 ),
809 (
810 1..2,
811 HighlightStyle {
812 color: Some(green()),
813 ..Default::default()
814 }
815 ),
816 (
817 2..3,
818 HighlightStyle {
819 color: Some(green()),
820 font_style: Some(FontStyle::Italic),
821 ..Default::default()
822 }
823 ),
824 (
825 3..4,
826 HighlightStyle {
827 color: Some(green()),
828 font_style: Some(FontStyle::Italic),
829 ..Default::default()
830 }
831 ),
832 (
833 4..5,
834 HighlightStyle {
835 color: Some(green()),
836 font_weight: Some(FontWeight::BOLD),
837 font_style: Some(FontStyle::Italic),
838 ..Default::default()
839 }
840 ),
841 (
842 5..6,
843 HighlightStyle {
844 font_weight: Some(FontWeight::BOLD),
845 font_style: Some(FontStyle::Italic),
846 ..Default::default()
847 }
848 ),
849 (
850 6..10,
851 HighlightStyle {
852 font_weight: Some(FontWeight::BOLD),
853 ..Default::default()
854 }
855 ),
856 (
857 15..20,
858 HighlightStyle {
859 color: Some(yellow()),
860 ..Default::default()
861 }
862 ),
863 (
864 21..23,
865 HighlightStyle {
866 color: Some(red()),
867 ..Default::default()
868 }
869 )
870 ]
871 );
872 }
873}