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gdk: Add internal API to set "pointer emulated" flag on events

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This flag will be used for non-pointer events that are emulated
from eg. touch events, or pointer events being emulated.
This commit is contained in:
Carlos Garnacho 2011-12-28 01:37:01 +01:00 committed by Matthias Clasen
parent bc8401d1ed
commit a490d2ebda
2 changed files with 36 additions and 2 deletions
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26
gdk/gdkevents.c
View File

@ -485,7 +485,31 @@ gdk_event_is_allocated (const GdkEvent *event)
return FALSE;
}
void
_gdk_event_set_pointer_emulated (GdkEvent *event,
gboolean emulated)
{
if (gdk_event_is_allocated (event))
{
GdkEventPrivate *private = (GdkEventPrivate *) event;
if (emulated)
private->flags |= GDK_EVENT_POINTER_EMULATED;
else
private->flags &= ~(GDK_EVENT_POINTER_EMULATED);
}
}
gboolean
_gdk_event_get_pointer_emulated (GdkEvent *event)
{
if (gdk_event_is_allocated (event))
return (((GdkEventPrivate *) event)->flags & GDK_EVENT_POINTER_EMULATED) != 0;
return FALSE;
}
/**
* gdk_event_copy:
* @event: a #GdkEvent

12
gdk/gdkinternals.h
View File

@ -148,7 +148,13 @@ typedef enum
/* Following flag is set for events on the event queue during
* translation and cleared afterwards.
*/
GDK_EVENT_PENDING = 1 << 0
GDK_EVENT_PENDING = 1 << 0,
/* The following flag is set for:
* 1) touch events emulating pointer events
* 2) pointer events being emulated by a touch sequence.
*/
GDK_EVENT_POINTER_EMULATED = 1 << 1
} GdkEventFlags;
struct _GdkEventPrivate
@ -273,6 +279,10 @@ GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
void _gdk_event_filter_unref (GdkWindow *window,
GdkEventFilter *filter);
void _gdk_event_set_pointer_emulated (GdkEvent *event,
gboolean emulated);
gboolean _gdk_event_get_pointer_emulated (GdkEvent *event);
void _gdk_event_emit (GdkEvent *event);
GList* _gdk_event_queue_find_first (GdkDisplay *display);
void _gdk_event_queue_remove_link (GdkDisplay *display,