xcb_map_window_checked(3) [centos man page]

xcb_map_window(3)						   XCB Requests 						 xcb_map_window(3)

NAME

       xcb_map_window - Makes a window visible

SYNOPSIS

       #include <xcb/xproto.h>

   Request function
       xcb_void_cookie_t xcb_map_window(xcb_connection_t *conn, xcb_window_t window);

REQUEST ARGUMENTS

       conn	 The XCB connection to X11.

       window	 The window to make visible.

DESCRIPTION

       Maps the specified window. This means making the window visible (as long as its parent is visible).

       This MapWindow request will be translated to a MapRequest request if a window manager is running. The window manager then decides to either
       map the window or not. Set the override-redirect window attribute to true if you want to bypass this mechanism.

       If the window manager decides to map the window (or if no window manager is running), a MapNotify event is generated.

       If the window becomes viewable and no earlier contents for it are remembered, the X server tiles the window with its background. If the
       window's background is undefined, the existing screen contents are not altered, and the X server generates zero or more Expose events.

       If the window type is InputOutput, an Expose event will be generated when the window becomes visible. The normal response to an Expose
       event should be to repaint the window.

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_map_window_checked. See xcb-requests(3) for details.

ERRORS

       xcb_match_error_t
		 The specified window does not exist.

SEE ALSO

       xcb-requests(3), xcb_map_notify_event_t(3), xcb_expose_event_t(3), xcb_unmap_window(3)

AUTHOR

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

XCB
								    2014-06-10							 xcb_map_window(3)

xcb_send_event(3)						   XCB Requests 						 xcb_send_event(3)

NAME

       xcb_send_event - send an event

SYNOPSIS

       #include <xcb/xproto.h>

   Request function
       xcb_void_cookie_t xcb_send_event(xcb_connection_t *conn, uint8_t propagate, xcb_window_t destination, uint32_t event_mask, const
	      char *event);

REQUEST ARGUMENTS

       conn	 The XCB connection to X11.

       propagate If propagate is true and no clients have selected any event on destination, the destination is replaced with the closest ancestor
		 of destination for which some client has selected a type in event_mask and for which no intervening window has that type in its
		 do-not-propagate-mask. If no such window exists or if the window is an ancestor of the focus window and InputFocus was originally
		 specified as the destination, the event is not sent to any clients. Otherwise, the event is reported to every client selecting on
		 the final destination any of the types specified in event_mask.

       destination
		 The window to send this event to. Every client which selects any event within event_mask on destination will get the event.

		 The special value XCB_SEND_EVENT_DEST_POINTER_WINDOW refers to the window that contains the mouse pointer.

		 The special value XCB_SEND_EVENT_DEST_ITEM_FOCUS refers to the window which has the keyboard focus.

       event_mask
		 Event_mask for determining which clients should receive the specified event.  See destination and propagate.

       event	 The event to send to the specified destination.

DESCRIPTION

       Identifies the destination window, determines which clients should receive the specified event and ignores any active grabs.

       The event must be one of the core events or an event defined by an extension, so that the X server can correctly byte-swap the contents as
       necessary. The contents of event are otherwise unaltered and unchecked except for the send_event field which is forced to 'true'.

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_send_event_checked. See xcb-requests(3) for details.

ERRORS

       xcb_window_error_t
		 The specified destination window does not exist.

       xcb_value_error_t
		 The given event is neither a core event nor an event defined by an extension.

EXAMPLE

       /*
	* Tell the given window that it was configured to a size of 800x600 pixels.
	*
	*/
       void my_example(xcb_connection_t *conn, xcb_window_t window) {
	   /* Every X11 event is 32 bytes long. Therefore, XCB will copy 32 bytes.
	    * In order to properly initialize these bytes, we allocate 32 bytes even
	    * though we only need less for an xcb_configure_notify_event_t */
	   xcb_configure_notify_event_t *event = calloc(32, 1);

	   event->event = window;
	   event->window = window;
	   event->response_type = XCB_CONFIGURE_NOTIFY;

	   event->x = 0;
	   event->y = 0;
	   event->width = 800;
	   event->height = 600;

	   event->border_width = 0;
	   event->above_sibling = XCB_NONE;
	   event->override_redirect = false;

	   xcb_send_event(conn, false, window, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
			  (char*)event);
	   xcb_flush(conn);
	   free(event);
       }

SEE ALSO

       xcb-requests(3), xcb-examples(3), xcb_configure_notify_event_t(3)

AUTHOR

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

XCB
								    2014-06-10							 xcb_send_event(3)