styled.rs

  1use crate::{
  2    self as gpui, AbsoluteLength, AlignContent, AlignItems, BorderStyle, CursorStyle,
  3    DefiniteLength, Display, Fill, FlexDirection, FlexWrap, Font, FontStyle, FontWeight,
  4    GridPlacement, Hsla, JustifyContent, Length, SharedString, StrikethroughStyle, StyleRefinement,
  5    TextAlign, TextOverflow, TextStyleRefinement, UnderlineStyle, WhiteSpace, px, relative, rems,
  6};
  7pub use gpui_macros::{
  8    border_style_methods, box_shadow_style_methods, cursor_style_methods, margin_style_methods,
  9    overflow_style_methods, padding_style_methods, position_style_methods,
 10    visibility_style_methods,
 11};
 12const ELLIPSIS: SharedString = SharedString::new_static("");
 13
 14/// A trait for elements that can be styled.
 15/// Use this to opt-in to a utility CSS-like styling API.
 16// gate on rust-analyzer so rust-analyzer never needs to expand this macro, it takes up to 10 seconds to expand due to inefficiencies in rust-analyzers proc-macro srv
 17#[cfg_attr(
 18    all(any(feature = "inspector", debug_assertions), not(rust_analyzer)),
 19    gpui_macros::derive_inspector_reflection
 20)]
 21pub trait Styled: Sized {
 22    /// Returns a reference to the style memory of this element.
 23    fn style(&mut self) -> &mut StyleRefinement;
 24
 25    gpui_macros::style_helpers!();
 26    gpui_macros::visibility_style_methods!();
 27    gpui_macros::margin_style_methods!();
 28    gpui_macros::padding_style_methods!();
 29    gpui_macros::position_style_methods!();
 30    gpui_macros::overflow_style_methods!();
 31    gpui_macros::cursor_style_methods!();
 32    gpui_macros::border_style_methods!();
 33    gpui_macros::box_shadow_style_methods!();
 34
 35    /// Sets the display type of the element to `block`.
 36    /// [Docs](https://tailwindcss.com/docs/display)
 37    fn block(mut self) -> Self {
 38        self.style().display = Some(Display::Block);
 39        self
 40    }
 41
 42    /// Sets the display type of the element to `flex`.
 43    /// [Docs](https://tailwindcss.com/docs/display)
 44    fn flex(mut self) -> Self {
 45        self.style().display = Some(Display::Flex);
 46        self
 47    }
 48
 49    /// Sets the display type of the element to `grid`.
 50    /// [Docs](https://tailwindcss.com/docs/display)
 51    fn grid(mut self) -> Self {
 52        self.style().display = Some(Display::Grid);
 53        self
 54    }
 55
 56    /// Sets the display type of the element to `none`.
 57    /// [Docs](https://tailwindcss.com/docs/display)
 58    fn hidden(mut self) -> Self {
 59        self.style().display = Some(Display::None);
 60        self
 61    }
 62
 63    /// Sets the whitespace of the element to `normal`.
 64    /// [Docs](https://tailwindcss.com/docs/whitespace#normal)
 65    fn whitespace_normal(mut self) -> Self {
 66        self.text_style()
 67            .get_or_insert_with(Default::default)
 68            .white_space = Some(WhiteSpace::Normal);
 69        self
 70    }
 71
 72    /// Sets the whitespace of the element to `nowrap`.
 73    /// [Docs](https://tailwindcss.com/docs/whitespace#nowrap)
 74    fn whitespace_nowrap(mut self) -> Self {
 75        self.text_style()
 76            .get_or_insert_with(Default::default)
 77            .white_space = Some(WhiteSpace::Nowrap);
 78        self
 79    }
 80
 81    /// Sets the truncate overflowing text with an ellipsis (…) if needed.
 82    /// [Docs](https://tailwindcss.com/docs/text-overflow#ellipsis)
 83    fn text_ellipsis(mut self) -> Self {
 84        self.text_style()
 85            .get_or_insert_with(Default::default)
 86            .text_overflow = Some(TextOverflow::Truncate(ELLIPSIS));
 87        self
 88    }
 89
 90    /// Sets the text overflow behavior of the element.
 91    fn text_overflow(mut self, overflow: TextOverflow) -> Self {
 92        self.text_style()
 93            .get_or_insert_with(Default::default)
 94            .text_overflow = Some(overflow);
 95        self
 96    }
 97
 98    /// Set the text alignment of the element.
 99    fn text_align(mut self, align: TextAlign) -> Self {
100        self.text_style()
101            .get_or_insert_with(Default::default)
102            .text_align = Some(align);
103        self
104    }
105
106    /// Sets the text alignment to left
107    fn text_left(mut self) -> Self {
108        self.text_align(TextAlign::Left)
109    }
110
111    /// Sets the text alignment to center
112    fn text_center(mut self) -> Self {
113        self.text_align(TextAlign::Center)
114    }
115
116    /// Sets the text alignment to right
117    fn text_right(mut self) -> Self {
118        self.text_align(TextAlign::Right)
119    }
120
121    /// Sets the truncate to prevent text from wrapping and truncate overflowing text with an ellipsis (…) if needed.
122    /// [Docs](https://tailwindcss.com/docs/text-overflow#truncate)
123    fn truncate(mut self) -> Self {
124        self.overflow_hidden().whitespace_nowrap().text_ellipsis()
125    }
126
127    /// Sets number of lines to show before truncating the text.
128    /// [Docs](https://tailwindcss.com/docs/line-clamp)
129    fn line_clamp(mut self, lines: usize) -> Self {
130        let mut text_style = self.text_style().get_or_insert_with(Default::default);
131        text_style.line_clamp = Some(lines);
132        self.overflow_hidden()
133    }
134
135    /// Sets the flex direction of the element to `column`.
136    /// [Docs](https://tailwindcss.com/docs/flex-direction#column)
137    fn flex_col(mut self) -> Self {
138        self.style().flex_direction = Some(FlexDirection::Column);
139        self
140    }
141
142    /// Sets the flex direction of the element to `column-reverse`.
143    /// [Docs](https://tailwindcss.com/docs/flex-direction#column-reverse)
144    fn flex_col_reverse(mut self) -> Self {
145        self.style().flex_direction = Some(FlexDirection::ColumnReverse);
146        self
147    }
148
149    /// Sets the flex direction of the element to `row`.
150    /// [Docs](https://tailwindcss.com/docs/flex-direction#row)
151    fn flex_row(mut self) -> Self {
152        self.style().flex_direction = Some(FlexDirection::Row);
153        self
154    }
155
156    /// Sets the flex direction of the element to `row-reverse`.
157    /// [Docs](https://tailwindcss.com/docs/flex-direction#row-reverse)
158    fn flex_row_reverse(mut self) -> Self {
159        self.style().flex_direction = Some(FlexDirection::RowReverse);
160        self
161    }
162
163    /// Sets the element to allow a flex item to grow and shrink as needed, ignoring its initial size.
164    /// [Docs](https://tailwindcss.com/docs/flex#flex-1)
165    fn flex_1(mut self) -> Self {
166        self.style().flex_grow = Some(1.);
167        self.style().flex_shrink = Some(1.);
168        self.style().flex_basis = Some(relative(0.).into());
169        self
170    }
171
172    /// Sets the element to allow a flex item to grow and shrink, taking into account its initial size.
173    /// [Docs](https://tailwindcss.com/docs/flex#auto)
174    fn flex_auto(mut self) -> Self {
175        self.style().flex_grow = Some(1.);
176        self.style().flex_shrink = Some(1.);
177        self.style().flex_basis = Some(Length::Auto);
178        self
179    }
180
181    /// Sets the element to allow a flex item to shrink but not grow, taking into account its initial size.
182    /// [Docs](https://tailwindcss.com/docs/flex#initial)
183    fn flex_initial(mut self) -> Self {
184        self.style().flex_grow = Some(0.);
185        self.style().flex_shrink = Some(1.);
186        self.style().flex_basis = Some(Length::Auto);
187        self
188    }
189
190    /// Sets the element to prevent a flex item from growing or shrinking.
191    /// [Docs](https://tailwindcss.com/docs/flex#none)
192    fn flex_none(mut self) -> Self {
193        self.style().flex_grow = Some(0.);
194        self.style().flex_shrink = Some(0.);
195        self
196    }
197
198    /// Sets the initial size of flex items for this element.
199    /// [Docs](https://tailwindcss.com/docs/flex-basis)
200    fn flex_basis(mut self, basis: impl Into<Length>) -> Self {
201        self.style().flex_basis = Some(basis.into());
202        self
203    }
204
205    /// Sets the element to allow a flex item to grow to fill any available space.
206    /// [Docs](https://tailwindcss.com/docs/flex-grow)
207    fn flex_grow(mut self) -> Self {
208        self.style().flex_grow = Some(1.);
209        self
210    }
211
212    /// Sets the element to allow a flex item to shrink if needed.
213    /// [Docs](https://tailwindcss.com/docs/flex-shrink)
214    fn flex_shrink(mut self) -> Self {
215        self.style().flex_shrink = Some(1.);
216        self
217    }
218
219    /// Sets the element to prevent a flex item from shrinking.
220    /// [Docs](https://tailwindcss.com/docs/flex-shrink#dont-shrink)
221    fn flex_shrink_0(mut self) -> Self {
222        self.style().flex_shrink = Some(0.);
223        self
224    }
225
226    /// Sets the element to allow flex items to wrap.
227    /// [Docs](https://tailwindcss.com/docs/flex-wrap#wrap-normally)
228    fn flex_wrap(mut self) -> Self {
229        self.style().flex_wrap = Some(FlexWrap::Wrap);
230        self
231    }
232
233    /// Sets the element wrap flex items in the reverse direction.
234    /// [Docs](https://tailwindcss.com/docs/flex-wrap#wrap-reversed)
235    fn flex_wrap_reverse(mut self) -> Self {
236        self.style().flex_wrap = Some(FlexWrap::WrapReverse);
237        self
238    }
239
240    /// Sets the element to prevent flex items from wrapping, causing inflexible items to overflow the container if necessary.
241    /// [Docs](https://tailwindcss.com/docs/flex-wrap#dont-wrap)
242    fn flex_nowrap(mut self) -> Self {
243        self.style().flex_wrap = Some(FlexWrap::NoWrap);
244        self
245    }
246
247    /// Sets the element to align flex items to the start of the container's cross axis.
248    /// [Docs](https://tailwindcss.com/docs/align-items#start)
249    fn items_start(mut self) -> Self {
250        self.style().align_items = Some(AlignItems::FlexStart);
251        self
252    }
253
254    /// Sets the element to align flex items to the end of the container's cross axis.
255    /// [Docs](https://tailwindcss.com/docs/align-items#end)
256    fn items_end(mut self) -> Self {
257        self.style().align_items = Some(AlignItems::FlexEnd);
258        self
259    }
260
261    /// Sets the element to align flex items along the center of the container's cross axis.
262    /// [Docs](https://tailwindcss.com/docs/align-items#center)
263    fn items_center(mut self) -> Self {
264        self.style().align_items = Some(AlignItems::Center);
265        self
266    }
267
268    /// Sets the element to align flex items along the baseline of the container's cross axis.
269    /// [Docs](https://tailwindcss.com/docs/align-items#baseline)
270    fn items_baseline(mut self) -> Self {
271        self.style().align_items = Some(AlignItems::Baseline);
272        self
273    }
274
275    /// Sets the element to justify flex items against the start of the container's main axis.
276    /// [Docs](https://tailwindcss.com/docs/justify-content#start)
277    fn justify_start(mut self) -> Self {
278        self.style().justify_content = Some(JustifyContent::Start);
279        self
280    }
281
282    /// Sets the element to justify flex items against the end of the container's main axis.
283    /// [Docs](https://tailwindcss.com/docs/justify-content#end)
284    fn justify_end(mut self) -> Self {
285        self.style().justify_content = Some(JustifyContent::End);
286        self
287    }
288
289    /// Sets the element to justify flex items along the center of the container's main axis.
290    /// [Docs](https://tailwindcss.com/docs/justify-content#center)
291    fn justify_center(mut self) -> Self {
292        self.style().justify_content = Some(JustifyContent::Center);
293        self
294    }
295
296    /// Sets the element to justify flex items along the container's main axis
297    /// such that there is an equal amount of space between each item.
298    /// [Docs](https://tailwindcss.com/docs/justify-content#space-between)
299    fn justify_between(mut self) -> Self {
300        self.style().justify_content = Some(JustifyContent::SpaceBetween);
301        self
302    }
303
304    /// Sets the element to justify items along the container's main axis such
305    /// that there is an equal amount of space on each side of each item.
306    /// [Docs](https://tailwindcss.com/docs/justify-content#space-around)
307    fn justify_around(mut self) -> Self {
308        self.style().justify_content = Some(JustifyContent::SpaceAround);
309        self
310    }
311
312    /// Sets the element to justify items along the container's main axis such
313    /// that there is an equal amount of space around each item, but also
314    /// accounting for the doubling of space you would normally see between
315    /// each item when using justify-around.
316    /// [Docs](https://tailwindcss.com/docs/justify-content#space-evenly)
317    fn justify_evenly(mut self) -> Self {
318        self.style().justify_content = Some(JustifyContent::SpaceEvenly);
319        self
320    }
321
322    /// Sets the element to pack content items in their default position as if no align-content value was set.
323    /// [Docs](https://tailwindcss.com/docs/align-content#normal)
324    fn content_normal(mut self) -> Self {
325        self.style().align_content = None;
326        self
327    }
328
329    /// Sets the element to pack content items in the center of the container's cross axis.
330    /// [Docs](https://tailwindcss.com/docs/align-content#center)
331    fn content_center(mut self) -> Self {
332        self.style().align_content = Some(AlignContent::Center);
333        self
334    }
335
336    /// Sets the element to pack content items against the start of the container's cross axis.
337    /// [Docs](https://tailwindcss.com/docs/align-content#start)
338    fn content_start(mut self) -> Self {
339        self.style().align_content = Some(AlignContent::FlexStart);
340        self
341    }
342
343    /// Sets the element to pack content items against the end of the container's cross axis.
344    /// [Docs](https://tailwindcss.com/docs/align-content#end)
345    fn content_end(mut self) -> Self {
346        self.style().align_content = Some(AlignContent::FlexEnd);
347        self
348    }
349
350    /// Sets the element to pack content items along the container's cross axis
351    /// such that there is an equal amount of space between each item.
352    /// [Docs](https://tailwindcss.com/docs/align-content#space-between)
353    fn content_between(mut self) -> Self {
354        self.style().align_content = Some(AlignContent::SpaceBetween);
355        self
356    }
357
358    /// Sets the element to pack content items along the container's cross axis
359    /// such that there is an equal amount of space on each side of each item.
360    /// [Docs](https://tailwindcss.com/docs/align-content#space-around)
361    fn content_around(mut self) -> Self {
362        self.style().align_content = Some(AlignContent::SpaceAround);
363        self
364    }
365
366    /// Sets the element to pack content items along the container's cross axis
367    /// such that there is an equal amount of space between each item.
368    /// [Docs](https://tailwindcss.com/docs/align-content#space-evenly)
369    fn content_evenly(mut self) -> Self {
370        self.style().align_content = Some(AlignContent::SpaceEvenly);
371        self
372    }
373
374    /// Sets the element to allow content items to fill the available space along the container's cross axis.
375    /// [Docs](https://tailwindcss.com/docs/align-content#stretch)
376    fn content_stretch(mut self) -> Self {
377        self.style().align_content = Some(AlignContent::Stretch);
378        self
379    }
380
381    /// Sets the background color of the element.
382    fn bg<F>(mut self, fill: F) -> Self
383    where
384        F: Into<Fill>,
385        Self: Sized,
386    {
387        self.style().background = Some(fill.into());
388        self
389    }
390
391    /// Sets the border style of the element.
392    fn border_dashed(mut self) -> Self {
393        self.style().border_style = Some(BorderStyle::Dashed);
394        self
395    }
396
397    /// Returns a mutable reference to the text style that has been configured on this element.
398    fn text_style(&mut self) -> &mut Option<TextStyleRefinement> {
399        let style: &mut StyleRefinement = self.style();
400        &mut style.text
401    }
402
403    /// Sets the text color of this element.
404    ///
405    /// This value cascades to its child elements.
406    fn text_color(mut self, color: impl Into<Hsla>) -> Self {
407        self.text_style().get_or_insert_with(Default::default).color = Some(color.into());
408        self
409    }
410
411    /// Sets the font weight of this element
412    ///
413    /// This value cascades to its child elements.
414    fn font_weight(mut self, weight: FontWeight) -> Self {
415        self.text_style()
416            .get_or_insert_with(Default::default)
417            .font_weight = Some(weight);
418        self
419    }
420
421    /// Sets the background color of this element.
422    ///
423    /// This value cascades to its child elements.
424    fn text_bg(mut self, bg: impl Into<Hsla>) -> Self {
425        self.text_style()
426            .get_or_insert_with(Default::default)
427            .background_color = Some(bg.into());
428        self
429    }
430
431    /// Sets the text size of this element.
432    ///
433    /// This value cascades to its child elements.
434    fn text_size(mut self, size: impl Into<AbsoluteLength>) -> Self {
435        self.text_style()
436            .get_or_insert_with(Default::default)
437            .font_size = Some(size.into());
438        self
439    }
440
441    /// Sets the text size to 'extra small'.
442    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
443    fn text_xs(mut self) -> Self {
444        self.text_style()
445            .get_or_insert_with(Default::default)
446            .font_size = Some(rems(0.75).into());
447        self
448    }
449
450    /// Sets the text size to 'small'.
451    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
452    fn text_sm(mut self) -> Self {
453        self.text_style()
454            .get_or_insert_with(Default::default)
455            .font_size = Some(rems(0.875).into());
456        self
457    }
458
459    /// Sets the text size to 'base'.
460    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
461    fn text_base(mut self) -> Self {
462        self.text_style()
463            .get_or_insert_with(Default::default)
464            .font_size = Some(rems(1.0).into());
465        self
466    }
467
468    /// Sets the text size to 'large'.
469    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
470    fn text_lg(mut self) -> Self {
471        self.text_style()
472            .get_or_insert_with(Default::default)
473            .font_size = Some(rems(1.125).into());
474        self
475    }
476
477    /// Sets the text size to 'extra large'.
478    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
479    fn text_xl(mut self) -> Self {
480        self.text_style()
481            .get_or_insert_with(Default::default)
482            .font_size = Some(rems(1.25).into());
483        self
484    }
485
486    /// Sets the text size to 'extra extra large'.
487    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
488    fn text_2xl(mut self) -> Self {
489        self.text_style()
490            .get_or_insert_with(Default::default)
491            .font_size = Some(rems(1.5).into());
492        self
493    }
494
495    /// Sets the text size to 'extra extra extra large'.
496    /// [Docs](https://tailwindcss.com/docs/font-size#setting-the-font-size)
497    fn text_3xl(mut self) -> Self {
498        self.text_style()
499            .get_or_insert_with(Default::default)
500            .font_size = Some(rems(1.875).into());
501        self
502    }
503
504    /// Sets the font style of the element to italic.
505    /// [Docs](https://tailwindcss.com/docs/font-style#italicizing-text)
506    fn italic(mut self) -> Self {
507        self.text_style()
508            .get_or_insert_with(Default::default)
509            .font_style = Some(FontStyle::Italic);
510        self
511    }
512
513    /// Sets the font style of the element to normal (not italic).
514    /// [Docs](https://tailwindcss.com/docs/font-style#displaying-text-normally)
515    fn not_italic(mut self) -> Self {
516        self.text_style()
517            .get_or_insert_with(Default::default)
518            .font_style = Some(FontStyle::Normal);
519        self
520    }
521
522    /// Sets the text decoration to underline.
523    /// [Docs](https://tailwindcss.com/docs/text-decoration-line#underling-text)
524    fn underline(mut self) -> Self {
525        let style = self.text_style().get_or_insert_with(Default::default);
526        style.underline = Some(UnderlineStyle {
527            thickness: px(1.),
528            ..Default::default()
529        });
530        self
531    }
532
533    /// Sets the decoration of the text to have a line through it.
534    /// [Docs](https://tailwindcss.com/docs/text-decoration-line#adding-a-line-through-text)
535    fn line_through(mut self) -> Self {
536        let style = self.text_style().get_or_insert_with(Default::default);
537        style.strikethrough = Some(StrikethroughStyle {
538            thickness: px(1.),
539            ..Default::default()
540        });
541        self
542    }
543
544    /// Removes the text decoration on this element.
545    ///
546    /// This value cascades to its child elements.
547    fn text_decoration_none(mut self) -> Self {
548        self.text_style()
549            .get_or_insert_with(Default::default)
550            .underline = None;
551        self
552    }
553
554    /// Sets the color for the underline on this element
555    fn text_decoration_color(mut self, color: impl Into<Hsla>) -> Self {
556        let style = self.text_style().get_or_insert_with(Default::default);
557        let underline = style.underline.get_or_insert_with(Default::default);
558        underline.color = Some(color.into());
559        self
560    }
561
562    /// Sets the text decoration style to a solid line.
563    /// [Docs](https://tailwindcss.com/docs/text-decoration-style)
564    fn text_decoration_solid(mut self) -> Self {
565        let style = self.text_style().get_or_insert_with(Default::default);
566        let underline = style.underline.get_or_insert_with(Default::default);
567        underline.wavy = false;
568        self
569    }
570
571    /// Sets the text decoration style to a wavy line.
572    /// [Docs](https://tailwindcss.com/docs/text-decoration-style)
573    fn text_decoration_wavy(mut self) -> Self {
574        let style = self.text_style().get_or_insert_with(Default::default);
575        let underline = style.underline.get_or_insert_with(Default::default);
576        underline.wavy = true;
577        self
578    }
579
580    /// Sets the text decoration to be 0px thick.
581    /// [Docs](https://tailwindcss.com/docs/text-decoration-thickness)
582    fn text_decoration_0(mut self) -> Self {
583        let style = self.text_style().get_or_insert_with(Default::default);
584        let underline = style.underline.get_or_insert_with(Default::default);
585        underline.thickness = px(0.);
586        self
587    }
588
589    /// Sets the text decoration to be 1px thick.
590    /// [Docs](https://tailwindcss.com/docs/text-decoration-thickness)
591    fn text_decoration_1(mut self) -> Self {
592        let style = self.text_style().get_or_insert_with(Default::default);
593        let underline = style.underline.get_or_insert_with(Default::default);
594        underline.thickness = px(1.);
595        self
596    }
597
598    /// Sets the text decoration to be 2px thick.
599    /// [Docs](https://tailwindcss.com/docs/text-decoration-thickness)
600    fn text_decoration_2(mut self) -> Self {
601        let style = self.text_style().get_or_insert_with(Default::default);
602        let underline = style.underline.get_or_insert_with(Default::default);
603        underline.thickness = px(2.);
604        self
605    }
606
607    /// Sets the text decoration to be 4px thick.
608    /// [Docs](https://tailwindcss.com/docs/text-decoration-thickness)
609    fn text_decoration_4(mut self) -> Self {
610        let style = self.text_style().get_or_insert_with(Default::default);
611        let underline = style.underline.get_or_insert_with(Default::default);
612        underline.thickness = px(4.);
613        self
614    }
615
616    /// Sets the text decoration to be 8px thick.
617    /// [Docs](https://tailwindcss.com/docs/text-decoration-thickness)
618    fn text_decoration_8(mut self) -> Self {
619        let style = self.text_style().get_or_insert_with(Default::default);
620        let underline = style.underline.get_or_insert_with(Default::default);
621        underline.thickness = px(8.);
622        self
623    }
624
625    /// Sets the font family of this element and its children.
626    fn font_family(mut self, family_name: impl Into<SharedString>) -> Self {
627        self.text_style()
628            .get_or_insert_with(Default::default)
629            .font_family = Some(family_name.into());
630        self
631    }
632
633    /// Sets the font of this element and its children.
634    fn font(mut self, font: Font) -> Self {
635        let Font {
636            family,
637            features,
638            fallbacks,
639            weight,
640            style,
641        } = font;
642
643        let text_style = self.text_style().get_or_insert_with(Default::default);
644        text_style.font_family = Some(family);
645        text_style.font_features = Some(features);
646        text_style.font_weight = Some(weight);
647        text_style.font_style = Some(style);
648        text_style.font_fallbacks = fallbacks;
649
650        self
651    }
652
653    /// Sets the line height of this element and its children.
654    fn line_height(mut self, line_height: impl Into<DefiniteLength>) -> Self {
655        self.text_style()
656            .get_or_insert_with(Default::default)
657            .line_height = Some(line_height.into());
658        self
659    }
660
661    /// Sets the opacity of this element and its children.
662    fn opacity(mut self, opacity: f32) -> Self {
663        self.style().opacity = Some(opacity);
664        self
665    }
666
667    /// Sets the grid columns of this element.
668    fn grid_cols(mut self, cols: u16) -> Self {
669        self.style().grid_cols = Some(cols);
670        self
671    }
672
673    /// Sets the grid rows of this element.
674    fn grid_rows(mut self, rows: u16) -> Self {
675        self.style().grid_rows = Some(rows);
676        self
677    }
678
679    /// Sets the column start of this element.
680    fn col_start(mut self, start: i16) -> Self {
681        let grid_location = self.style().grid_location_mut();
682        grid_location.column.start = GridPlacement::Line(start);
683        self
684    }
685
686    /// Sets the column start of this element to auto.
687    fn col_start_auto(mut self) -> Self {
688        let grid_location = self.style().grid_location_mut();
689        grid_location.column.start = GridPlacement::Auto;
690        self
691    }
692
693    /// Sets the column end of this element.
694    fn col_end(mut self, end: i16) -> Self {
695        let grid_location = self.style().grid_location_mut();
696        grid_location.column.end = GridPlacement::Line(end);
697        self
698    }
699
700    /// Sets the column end of this element to auto.
701    fn col_end_auto(mut self) -> Self {
702        let grid_location = self.style().grid_location_mut();
703        grid_location.column.end = GridPlacement::Auto;
704        self
705    }
706
707    /// Sets the column span of this element.
708    fn col_span(mut self, span: u16) -> Self {
709        let grid_location = self.style().grid_location_mut();
710        grid_location.column = GridPlacement::Span(span)..GridPlacement::Span(span);
711        self
712    }
713
714    /// Sets the row span of this element.
715    fn col_span_full(mut self) -> Self {
716        let grid_location = self.style().grid_location_mut();
717        grid_location.column = GridPlacement::Line(1)..GridPlacement::Line(-1);
718        self
719    }
720
721    /// Sets the row start of this element.
722    fn row_start(mut self, start: i16) -> Self {
723        let grid_location = self.style().grid_location_mut();
724        grid_location.row.start = GridPlacement::Line(start);
725        self
726    }
727
728    /// Sets the row start of this element to "auto"
729    fn row_start_auto(mut self) -> Self {
730        let grid_location = self.style().grid_location_mut();
731        grid_location.row.start = GridPlacement::Auto;
732        self
733    }
734
735    /// Sets the row end of this element.
736    fn row_end(mut self, end: i16) -> Self {
737        let grid_location = self.style().grid_location_mut();
738        grid_location.row.end = GridPlacement::Line(end);
739        self
740    }
741
742    /// Sets the row end of this element to "auto"
743    fn row_end_auto(mut self) -> Self {
744        let grid_location = self.style().grid_location_mut();
745        grid_location.row.end = GridPlacement::Auto;
746        self
747    }
748
749    /// Sets the row span of this element.
750    fn row_span(mut self, span: u16) -> Self {
751        let grid_location = self.style().grid_location_mut();
752        grid_location.row = GridPlacement::Span(span)..GridPlacement::Span(span);
753        self
754    }
755
756    /// Sets the row span of this element.
757    fn row_span_full(mut self) -> Self {
758        let grid_location = self.style().grid_location_mut();
759        grid_location.row = GridPlacement::Line(1)..GridPlacement::Line(-1);
760        self
761    }
762
763    /// Draws a debug border around this element.
764    #[cfg(debug_assertions)]
765    fn debug(mut self) -> Self {
766        self.style().debug = Some(true);
767        self
768    }
769
770    /// Draws a debug border on all conforming elements below this element.
771    #[cfg(debug_assertions)]
772    fn debug_below(mut self) -> Self {
773        self.style().debug_below = Some(true);
774        self
775    }
776}