xcb_set_input_focus(3) XCB Requests xcb_set_input_focus(3)NAME
xcb_set_input_focus - Sets input focus
SYNOPSIS
#include <xcb/xproto.h>
Request function
xcb_void_cookie_t xcb_set_input_focus(xcb_connection_t *conn,
uint8_t revert_to, xcb_window_t focus, xcb_timestamp_t time);
REQUEST ARGUMENTS
conn The XCB connection to X11.
revert_to One of the following values:
XCB_INPUT_FOCUS_NONE
The focus reverts to XCB_NONE, so no window will
have the input focus.
XCB_INPUT_FOCUS_POINTER_ROOT
The focus reverts to XCB_POINTER_ROOT respectively.
When the focus reverts, FocusIn and FocusOut events
are generated, but the last-focus-change time is
not changed.
XCB_INPUT_FOCUS_PARENT
The focus reverts to the parent (or closest view‐
able ancestor) and the new revert_to value is
XCB_INPUT_FOCUS_NONE.
XCB_INPUT_FOCUS_FOLLOW_KEYBOARD
NOT YET DOCUMENTED. Only relevant for the xinput
extension.
Specifies what happens when the focus window becomes unview‐
able (if focus is neither XCB_NONE nor XCB_POINTER_ROOT).
focus The window to focus. All keyboard events will be reported to
this window. The window must be viewable (TODO), or a
xcb_match_error_t occurs (TODO).
If focus is XCB_NONE (TODO), all keyboard events are discard‐
ed until a new focus window is set.
If focus is XCB_POINTER_ROOT (TODO), focus is on the root
window of the screen on which the pointer is on currently.
time Timestamp to avoid race conditions when running X over the
network.
The special value XCB_CURRENT_TIME will be replaced with the
current server time.
DESCRIPTION
Changes the input focus and the last-focus-change time. If the speci‐
fied time is earlier than the current last-focus-change time, the re‐
quest is ignored (to avoid race conditions when running X over the net‐
work).
A FocusIn and FocusOut event is generated when focus is changed.
RETURN VALUE
Returns an xcb_void_cookie_t. Errors (if any) have to be handled in the
event loop.
If you want to handle errors directly with xcb_request_check instead,
use xcb_set_input_focus_checked. See xcb-requests(3) for details.
ERRORS
xcb_window_error_t
The specified focus window does not exist.
xcb_value_error_t
TODO: Reasons?
xcb_match_error_t
The specified focus window is not viewable.
SEE ALSOxcb-requests(3), xcb_focus_in_event_t(3), xcb_focus_out_event_t(3)AUTHOR
Generated from xproto.xml. Contact xcb@lists.freedesktop.org for cor‐
rections and improvements.
XCB 2012-10-16 xcb_set_input_focus(3)
