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download PDF document: xcb_set_input_focus_checked.3.pdf

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 viewable 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 unviewable (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 discarded 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 specified time is earlier than the current last-focus-change time, 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_match_error_t The specified focus window is not viewable.
xcb_value_error_t TODO: Reasons?
xcb_window_error_t The specified focus window does not exist.
SEE ALSO xcb-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 corrections and improvements.
X Version 11 libxcb 1.15 xcb_set_input_focus(3)