Manpages - xcb_get_geometry.3

NAME
SYNOPSIS
REQUEST ARGUMENTS
REPLY FIELDS
DESCRIPTION
RETURN VALUE
ERRORS
EXAMPLE
SEE ALSO
AUTHOR

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.
(no term): 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.
(no term): 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) 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);
  }

AUTHOR

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