Enum TextVerticalPlacement 

pub enum TextVerticalPlacement {
    CenterMetricsBox,
    BoundsAsLineBox,
}

Variants

CenterMetricsBox

Center the prepared text box (TextMetrics.size.height) within the allocated bounds.

This is the historical Fret behavior and remains the default in v1.

BoundsAsLineBox

Treat the allocated bounds height as the effective line box height for single-line text and compute baseline placement via a CSS/GPUI-like “half-leading” model:

• padding_top = (bounds_h - ascent - descent) / 2
• baseline_y = padding_top + ascent

Notes:

• This mode is intended for fixed-height controls (tabs, pills, buttons) where authors want a stable baseline placement without per-component y-offset hacks.
• Implementations should fall back to CenterMetricsBox when line metrics are unavailable or the prepared text contains multiple lines.

Trait Implementations

impl Clone for TextVerticalPlacement

fn clone(&self) -> TextVerticalPlacement

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TextVerticalPlacement

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TextVerticalPlacement

fn default() -> TextVerticalPlacement

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for TextVerticalPlacement

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Hash for TextVerticalPlacement

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for TextVerticalPlacement

fn eq(&self, other: &TextVerticalPlacement) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for TextVerticalPlacement

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for TextVerticalPlacement

impl Eq for TextVerticalPlacement

impl StructuralPartialEq for TextVerticalPlacement