---
name: "xcb_get_geometry"
section: "3"
platform: "linux"
package: "libxcb"
version: "1.17.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/xcb_get_geometry"
---

# xcb\_get\_geometry(3)

Get current window geometry

## NAME

xcb\_get\_geometry - Get current window geometry

## SYNOPSIS

**#include \<xcb/xproto.h\>**

### Request function

xcb\_get\_geometry\_cookie\_t **xcb\_get\_geometry**(xcb\_connection\_t \**conn*, xcb\_drawable\_t *drawable*);

### Reply datastructure

```

typedef struct xcb_get_geometry_reply_t {
    uint8_t      response_type;
    uint8_t      depth;
    uint16_t     sequence;
    uint32_t     length;
    xcb_window_t root;
    int16_t      x;
    int16_t      y;
    uint16_t     width;
    uint16_t     height;
    uint16_t     border_width;
    uint8_t      pad0[2];
} xcb_get_geometry_reply_t;
```

### Reply function

xcb\_get\_geometry\_reply\_t \***xcb\_get\_geometry\_reply**(xcb\_connection\_t \**conn*, xcb\_get\_geometry\_cookie\_t *cookie*, xcb\_generic\_error\_t \*\**e*);\

## REQUEST ARGUMENTS

- *conn*

  The XCB connection to X11.

- *drawable*

  The drawable (*Window* or *Pixmap*) of which the geometry will be received.

## REPLY FIELDS

- *response\_type*

  The type of this reply, in this case *XCB\_GET\_GEOMETRY*. This field is also present in the *xcb\_generic\_reply\_t* and can be used to tell replies apart from each other.

- *sequence*

  The sequence number of the last request processed by the X11 server.

- *length*

  The length of the reply, in words (a word is 4 bytes).

- *depth*

  The depth of the drawable (bits per pixel for the object).

- *root*

  Root window of the screen containing *drawable*.

- *x*

  The X coordinate of *drawable*. If *drawable* is a window, the coordinate specifies the upper-left outer corner relative to its parent's origin. If *drawable* is a pixmap, the X coordinate is always 0.

- *y*

  The Y coordinate of *drawable*. If *drawable* is a window, the coordinate specifies the upper-left outer corner relative to its parent's origin. If *drawable* is a pixmap, the Y coordinate is always 0.

- *width*

  The width of *drawable*.

- *height*

  The height of *drawable*.

- *border\_width*

  The border width (in pixels).

## DESCRIPTION

Gets the current geometry of the specified drawable (either *Window* or *Pixmap*).

## RETURN VALUE

Returns an *xcb\_get\_geometry\_cookie\_t*. Errors have to be handled when calling the reply function *xcb\_get\_geometry\_reply*.

If you want to handle errors in the event loop instead, use *xcb\_get\_geometry\_unchecked*. See **[xcb-requests(3)](/xcb-requests/3.md)** for details.

## ERRORS

- *xcb\_drawable\_error\_t*

  TODO: reasons?

- *xcb\_window\_error\_t*

  TODO: reasons?

## EXAMPLE

```

/*
 * Displays the x and y position of the given window.
 *
 */
void my_example(xcb_connection_t *c, xcb_window_t window) {
    xcb_get_geometry_cookie_t cookie;
    xcb_get_geometry_reply_t *reply;
    cookie = xcb_get_geometry(c, window);
    /* ... do other work here if possible ... */
    if ((reply = xcb_get_geometry_reply(c, cookie, NULL))) {
        printf("This window is at %d, %d\n", reply->x, reply->y);
    }
    free(reply);
}
```

## SEE ALSO

[**xcb-requests**(3)](/xcb-requests/3.md), [**xcb-examples**(3)](/xcb-examples/3.md), [**xwininfo**(1)](/xwininfo/1.md)

## AUTHOR

Generated from xproto.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.