xcb_get_window_attributes

Section: XCB Requests (3)
Updated: libxcb 1.12
Index Return to Main Contents

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NAME

xcb_get_window_attributes - Gets window attributes  

SYNOPSIS

#include <xcb/xproto.h>  

Request function

xcb_get_window_attributes_cookie_t xcb_get_window_attributes(xcb_connection_t *conn, xcb_window_t window);

 

Reply datastructure

typedef struct xcb_get_window_attributes_reply_t {
    uint8_t        response_type;
    uint8_t        backing_store;
    uint16_t       sequence;
    uint32_t       length;
    xcb_visualid_t visual;
    uint16_t       _class;
    uint8_t        bit_gravity;
    uint8_t        win_gravity;
    uint32_t       backing_planes;
    uint32_t       backing_pixel;
    uint8_t        save_under;
    uint8_t        map_is_installed;
    uint8_t        map_state;
    uint8_t        override_redirect;
    xcb_colormap_t colormap;
    uint32_t       all_event_masks;
    uint32_t       your_event_mask;
    uint16_t       do_not_propagate_mask;
    uint8_t        pad0[2];
} xcb_get_window_attributes_reply_t;

 

Reply function

xcb_get_window_attributes_reply_t *xcb_get_window_attributes_reply(xcb_connection_t *conn, xcb_get_window_attributes_cookie_t cookie, xcb_generic_error_t **e);

 

REQUEST ARGUMENTS

conn

The XCB connection to X11.

window

The window to get the attributes from.

 

REPLY FIELDS

response_type

The type of this reply, in this case XCB_GET_WINDOW_ATTRIBUTES. 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).

backing_store

One of the following values:

XCB_BACKING_STORE_NOT_USEFUL

TODO: NOT YET DOCUMENTED.

XCB_BACKING_STORE_WHEN_MAPPED

TODO: NOT YET DOCUMENTED.

XCB_BACKING_STORE_ALWAYS

TODO: NOT YET DOCUMENTED.

visual

The associated visual structure of window.

_class

One of the following values:

XCB_WINDOW_CLASS_COPY_FROM_PARENT

TODO: NOT YET DOCUMENTED.

XCB_WINDOW_CLASS_INPUT_OUTPUT

TODO: NOT YET DOCUMENTED.

XCB_WINDOW_CLASS_INPUT_ONLY

TODO: NOT YET DOCUMENTED.

bit_gravity

One of the following values:

XCB_GRAVITY_BIT_FORGET

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_WIN_UNMAP

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_CENTER

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_STATIC

TODO: NOT YET DOCUMENTED.

win_gravity

One of the following values:

XCB_GRAVITY_BIT_FORGET

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_WIN_UNMAP

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_NORTH_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_CENTER

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH_WEST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_SOUTH_EAST

TODO: NOT YET DOCUMENTED.

XCB_GRAVITY_STATIC

TODO: NOT YET DOCUMENTED.

backing_planes

Planes to be preserved if possible.

backing_pixel

Value to be used when restoring planes.

save_under

Boolean, should bits under be saved?

map_is_installed

TODO: NOT YET DOCUMENTED.

map_state

One of the following values:

XCB_MAP_STATE_UNMAPPED

TODO: NOT YET DOCUMENTED.

XCB_MAP_STATE_UNVIEWABLE

TODO: NOT YET DOCUMENTED.

XCB_MAP_STATE_VIEWABLE

TODO: NOT YET DOCUMENTED.

override_redirect

Window managers should ignore this window if override_redirect is 1.

colormap

Color map to be associated with window.

all_event_masks

Set of events all people have interest in.

your_event_mask

My event mask.

do_not_propagate_mask

Set of events that should not propagate.

 

DESCRIPTION

Gets the current attributes for the specified window.  

RETURN VALUE

Returns an xcb_get_window_attributes_cookie_t. Errors have to be handled when calling the reply function xcb_get_window_attributes_reply.

If you want to handle errors in the event loop instead, use xcb_get_window_attributes_unchecked. See xcb-requests(3) for details.  

ERRORS

xcb_drawable_error_t

TODO: reasons?

xcb_window_error_t

The specified window does not exist.

 

SEE ALSO

xcb-requests(3)  

AUTHOR

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

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Index

NAME

SYNOPSIS

Request function

Reply datastructure

Reply function

REQUEST ARGUMENTS

REPLY FIELDS

DESCRIPTION

RETURN VALUE

ERRORS

SEE ALSO

AUTHOR