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docs: Improve the text of X11 event-related functions

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We need to make sure that people disabling event handling in Clutter
call clutter_x11_handle_event() to update Clutter's internal state.
This commit is contained in:
Emmanuele Bassi 2010-07-22 10:48:21 +01:00
parent 1dee65770a
commit 99d7d31318
2 changed files with 16 additions and 7 deletions
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15
clutter/x11/clutter-backend-x11.c
View File

@ -673,12 +673,17 @@ clutter_x11_enable_xinput (void)
} }
/** /**
* clutter_x11_disable_event_retrieval * clutter_x11_disable_event_retrieval:
* *
* Disables retrieval of X events in the main loop. Use to create event-less * Disables the internal handling of X11 events in the main loop.
* canvas or in conjunction with clutter_x11_handle_event.
* *
* This function can only be called before calling clutter_init(). * Libraries or applications calling this function will be responsible of
* handling all X11 events.
*
* You also must call clutter_x11_handle_event() to let Clutter process
* events and maintain its internal state.
*
* <note>This function can only be called before calling clutter_init().</note>
* *
* Since: 0.8 * Since: 0.8
*/ */
@ -696,7 +701,7 @@ clutter_x11_disable_event_retrieval (void)
} }
/** /**
* clutter_x11_has_event_retrieval * clutter_x11_has_event_retrieval:
* *
* Queries the X11 backend to check if event collection has been disabled. * Queries the X11 backend to check if event collection has been disabled.
* *

8
clutter/x11/clutter-event-x11.c
View File

@ -1099,7 +1099,11 @@ events_queue (ClutterBackend *backend)
* @xevent: pointer to XEvent structure * @xevent: pointer to XEvent structure
* *
* This function processes a single X event; it can be used to hook * This function processes a single X event; it can be used to hook
* into external X event retrieval (for example that done by GDK). * into external X11 event processing (for example, a GDK filter
* function).
*
* If clutter_x11_disable_event_retrieval() has been called, you must
* let this function process events to update Clutter's internal state.
* *
* Return value: #ClutterX11FilterReturn. %CLUTTER_X11_FILTER_REMOVE * Return value: #ClutterX11FilterReturn. %CLUTTER_X11_FILTER_REMOVE
* indicates that Clutter has internally handled the event and the * indicates that Clutter has internally handled the event and the
@ -1109,7 +1113,7 @@ events_queue (ClutterBackend *backend)
* any exclusive action. %CLUTTER_X11_FILTER_TRANSLATE will not * any exclusive action. %CLUTTER_X11_FILTER_TRANSLATE will not
* occur. * occur.
* *
* Since: 0.8 * Since: 0.8
*/ */
ClutterX11FilterReturn ClutterX11FilterReturn
clutter_x11_handle_event (XEvent *xevent) clutter_x11_handle_event (XEvent *xevent)