---
name: "XmTextGetCenterline"
section: "3"
platform: "linux"
package: "openmotif"
version: "2.3.8-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/XmTextGetCenterline"
---

# XmTextGetCenterline(3)

Return the height (length) of a character string when the writing direction is vertical

## NAME

**XmTextGetCenterline** — Return the height (length) of a character string when the writing direction is vertical

## SYNOPSIS

```
#include <Xm/Text.h>
int XmTextGetCenterline(
Widget widget);
```

## DESCRIPTION

**XmTextGetCenterline** accesses the x position of the centerline in the **Text** widget, relative to the x position of the top of the widget.

- *widget*

  Specifies the **Text** widget ID.

## RETURN VALUE

In the case of horizontal writing, this function accesses 0.

In the case of vertical writing, this function accesses the x position of the first centerline in the Text widget, relative to the x position of the left of the widget. The calculation takes into account the margin width, shadow thickness, highlight thickness, and a half of font width of the first font(set) in the fontlist used for drawing text.

## SEE ALSO

[**XmText**(3)](/XmText/3.md), [**XmTextGetBaseline**(3)](/XmTextGetBaseline/3.md)