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Move editor layout code into element

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Now that most of the layout code is based on the EditorStyle struct, I think it makes more sense to put it in the element.
This commit is contained in:
Nathan Sobo
2021-09-16 16:43:43 -06:00
parent 4f0c9a3e31
commit f13a3544fc
5 changed files with 332 additions and 352 deletions
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gpui/src/font_cache.rs
+9 -9
View File
@@ -141,8 +141,8 @@ impl FontCache {
pub fn bounding_box(&self, font_id: FontId, font_size: f32) -> Vector2F {
let bounding_box = self.metric(font_id, |m| m.bounding_box);
let width = self.scale_metric(bounding_box.width(), font_id, font_size);
let height = self.scale_metric(bounding_box.height(), font_id, font_size);
let width = bounding_box.width() * self.em_scale(font_id, font_size);
let height = bounding_box.height() * self.em_scale(font_id, font_size);
vec2f(width, height)
}
@@ -154,28 +154,28 @@ impl FontCache {
glyph_id = state.fonts.glyph_for_char(font_id, 'm').unwrap();
bounds = state.fonts.typographic_bounds(font_id, glyph_id).unwrap();
}
self.scale_metric(bounds.width(), font_id, font_size)
bounds.width() * self.em_scale(font_id, font_size)
}
pub fn line_height(&self, font_id: FontId, font_size: f32) -> f32 {
let height = self.metric(font_id, |m| m.bounding_box.height());
self.scale_metric(height, font_id, font_size)
(height * self.em_scale(font_id, font_size)).ceil()
}
pub fn cap_height(&self, font_id: FontId, font_size: f32) -> f32 {
self.scale_metric(self.metric(font_id, |m| m.cap_height), font_id, font_size)
self.metric(font_id, |m| m.cap_height) * self.em_scale(font_id, font_size)
}
pub fn ascent(&self, font_id: FontId, font_size: f32) -> f32 {
self.scale_metric(self.metric(font_id, |m| m.ascent), font_id, font_size)
self.metric(font_id, |m| m.ascent) * self.em_scale(font_id, font_size)
}
pub fn descent(&self, font_id: FontId, font_size: f32) -> f32 {
self.scale_metric(self.metric(font_id, |m| -m.descent), font_id, font_size)
self.metric(font_id, |m| -m.descent) * self.em_scale(font_id, font_size)
}
pub fn scale_metric(&self, metric: f32, font_id: FontId, font_size: f32) -> f32 {
metric * font_size / self.metric(font_id, |m| m.units_per_em as f32)
pub fn em_scale(&self, font_id: FontId, font_size: f32) -> f32 {
font_size / self.metric(font_id, |m| m.units_per_em as f32)
}
pub fn line_wrapper(self: &Arc<Self>, font_id: FontId, font_size: f32) -> LineWrapperHandle {
gpui/src/fonts.rs
+16
View File
@@ -127,6 +127,22 @@ impl TextStyle {
}
})
}
pub fn line_height(&self, font_cache: &FontCache) -> f32 {
font_cache.line_height(self.font_id, self.font_size)
}
pub fn em_width(&self, font_cache: &FontCache) -> f32 {
font_cache.em_width(self.font_id, self.font_size)
}
pub fn descent(&self, font_cache: &FontCache) -> f32 {
font_cache.metric(self.font_id, |m| m.descent) * self.em_scale(font_cache)
}
fn em_scale(&self, font_cache: &FontCache) -> f32 {
font_cache.em_scale(self.font_id, self.font_size)
}
}
impl From<TextStyle> for HighlightStyle {