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Start bringing back the current call section of the collab panel

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Co-authored-by: Nathan <nathan@zed.dev>
This commit is contained in:
Max Brunsfeld 2023-12-04 15:11:52 -08:00
parent 26ae31b503
commit 63667ecf6f
8 changed files with 782 additions and 772 deletions
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32
crates/gpui2/src/text_system.rs
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@ -72,7 +72,7 @@ impl TextSystem {
}
}
pub fn bounding_box(&self, font_id: FontId, font_size: Pixels) -> Result<Bounds<Pixels>> {
pub fn bounding_box(&self, font_id: FontId, font_size: Pixels) -> Bounds<Pixels> {
self.read_metrics(font_id, |metrics| metrics.bounding_box(font_size))
}
@ -89,9 +89,9 @@ impl TextSystem {
let bounds = self
.platform_text_system
.typographic_bounds(font_id, glyph_id)?;
self.read_metrics(font_id, |metrics| {
Ok(self.read_metrics(font_id, |metrics| {
(bounds / metrics.units_per_em as f32 * font_size.0).map(px)
})
}))
}
pub fn advance(&self, font_id: FontId, font_size: Pixels, ch: char) -> Result<Size<Pixels>> {
@ -100,28 +100,28 @@ impl TextSystem {
.glyph_for_char(font_id, ch)
.ok_or_else(|| anyhow!("glyph not found for character '{}'", ch))?;
let result = self.platform_text_system.advance(font_id, glyph_id)?
/ self.units_per_em(font_id)? as f32;
/ self.units_per_em(font_id) as f32;
Ok(result * font_size)
}
pub fn units_per_em(&self, font_id: FontId) -> Result<u32> {
pub fn units_per_em(&self, font_id: FontId) -> u32 {
self.read_metrics(font_id, |metrics| metrics.units_per_em as u32)
}
pub fn cap_height(&self, font_id: FontId, font_size: Pixels) -> Result<Pixels> {
pub fn cap_height(&self, font_id: FontId, font_size: Pixels) -> Pixels {
self.read_metrics(font_id, |metrics| metrics.cap_height(font_size))
}
pub fn x_height(&self, font_id: FontId, font_size: Pixels) -> Result<Pixels> {
pub fn x_height(&self, font_id: FontId, font_size: Pixels) -> Pixels {
self.read_metrics(font_id, |metrics| metrics.x_height(font_size))
}
pub fn ascent(&self, font_id: FontId, font_size: Pixels) -> Result<Pixels> {
pub fn ascent(&self, font_id: FontId, font_size: Pixels) -> Pixels {
self.read_metrics(font_id, |metrics| metrics.ascent(font_size))
}
pub fn descent(&self, font_id: FontId, font_size: Pixels) -> Result<Pixels> {
pub fn descent(&self, font_id: FontId, font_size: Pixels) -> Pixels {
self.read_metrics(font_id, |metrics| metrics.descent(font_size))
}
@ -130,24 +130,24 @@ impl TextSystem {
font_id: FontId,
font_size: Pixels,
line_height: Pixels,
) -> Result<Pixels> {
let ascent = self.ascent(font_id, font_size)?;
let descent = self.descent(font_id, font_size)?;
) -> Pixels {
let ascent = self.ascent(font_id, font_size);
let descent = self.descent(font_id, font_size);
let padding_top = (line_height - ascent - descent) / 2.;
Ok(padding_top + ascent)
padding_top + ascent
}
fn read_metrics<T>(&self, font_id: FontId, read: impl FnOnce(&FontMetrics) -> T) -> Result<T> {
fn read_metrics<T>(&self, font_id: FontId, read: impl FnOnce(&FontMetrics) -> T) -> T {
let lock = self.font_metrics.upgradable_read();
if let Some(metrics) = lock.get(&font_id) {
Ok(read(metrics))
read(metrics)
} else {
let mut lock = RwLockUpgradableReadGuard::upgrade(lock);
let metrics = lock
.entry(font_id)
.or_insert_with(|| self.platform_text_system.font_metrics(font_id));
Ok(read(metrics))
read(metrics)
}
}