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Add support for a font-metrics property to Text/TextInput. (#6452)

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The struct held provides access to the design metrics of the font scaled
to the font pixel size used by the element.

ChangeLog: Slint Language: Added font-metrics property to `Text` and `TextInput`.

Closes #6047
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Simon Hausmann 2024-10-05 17:00:46 +02:00 • committed by GitHub
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docs/reference/src/language/builtins/elements.md
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@ -784,6 +784,7 @@ When not part of a layout, its width or height defaults to 100% of the parent el
- **`font-size`** (_in_ _length_): The font size of the text.
- **`font-weight`** (_in_ _int_): The weight of the font. The values range from 100 (lightest) to 900 (thickest). 400 is the normal weight.
- **`font-italic`** (_in_ _bool_): Whether or not the font face should be drawn italicized or not. (default value: false)
- **`font-metrics`** (_out_ _struct [`FontMetrics`](structs.md#fontmetrics)_): The design metrics of the font scaled to the font pixel size used by the element.
- **`has-focus`** (_out_ _bool_): `TextInput` sets this to `true` when it's focused. Only then it receives [`KeyEvent`](structs.md#keyevent)s.
- **`horizontal-alignment`** (_in_ _enum [`TextHorizontalAlignment`](enums.md#texthorizontalalignment)_): The horizontal alignment of the text.
- **`input-type`** (_in_ _enum [`InputType`](enums.md#inputtype)_): Use this to configure `TextInput` for editing special input, such as password fields. (default value: `text`)
@ -847,6 +848,7 @@ and the text itself.
- **`font-size`** (_in_ _length_): The font size of the text.
- **`font-weight`** (_in_ _int_): The weight of the font. The values range from 100 (lightest) to 900 (thickest). 400 is the normal weight.
- **`font-italic`** (_in_ _bool_): Whether or not the font face should be drawn italicized or not. (default value: false)
- **`font-metrics`** (_out_ _struct [`FontMetrics`](structs.md#fontmetrics)_): The design metrics of the font scaled to the font pixel size used by the element.
- **`horizontal-alignment`** (_in_ _enum [`TextHorizontalAlignment`](enums.md#texthorizontalalignment)_): The horizontal alignment of the text.
- **`letter-spacing`** (_in_ _length_): The letter spacing allows changing the spacing between the glyphs. A positive value increases the spacing and a negative value decreases the distance. (default value: 0)
- **`overflow`** (_in_ _enum [`TextOverflow`](enums.md#textoverflow)_): What happens when the text overflows (default value: clip).