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simplify creation of new application events

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@13397 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Neil Williams
2006-02-26 19:03:37 +00:00
parent 8fffaf8c7a
commit 9dd917ecf3
2 changed files with 20 additions and 7 deletions
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lib/libqof/qof/qofevent.c
+1 -1
View File
@@ -205,7 +205,7 @@ qof_event_generate_internal (QofEntity *entity, QofEventId event_id,
g_return_if_fail(entity);
if (event_id <= QOF_DEFAULT_EVENT_LIMIT)
if (event_id <= QOF_EVENT_BASE)
{
use_old_handlers = TRUE;
}
lib/libqof/qof/qofevent.h
+19 -6
View File
@@ -40,23 +40,36 @@
/** Define the type of events allowed. */
typedef gint QofEventId;
/** \brief Allow application-specific events to be created.
Used together with QOF_EVENT_BASE to simplify creation
of application events without interfering with any new
events added within QOF.
/verbatim
#define APP_EVENT_A QOF_MAKE_EVENT(QOF_EVENT_BASE+0)
#define APP_EVENT_B QOF_MAKE_EVENT(QOF_EVENT_BASE+1)
/endverbatim
*/
#define QOF_MAKE_EVENT(x) (1<<x)
/** \brief Default events for backwards compatibility.
These defaults merely replicate previous behaviour,
any process can define their own events.
*/
#define QOF_EVENT_NONE (0)
#define QOF_EVENT_CREATE (1 << 0)
#define QOF_EVENT_MODIFY (1 << 1)
#define QOF_EVENT_DESTROY (1 << 2)
#define QOF_EVENT_ADD (1 << 3)
#define QOF_EVENT_REMOVE (1 << 4)
#define QOF_EVENT_CREATE QOF_MAKE_EVENT(0)
#define QOF_EVENT_MODIFY QOF_MAKE_EVENT(1)
#define QOF_EVENT_DESTROY QOF_MAKE_EVENT(2)
#define QOF_EVENT_ADD QOF_MAKE_EVENT(3)
#define QOF_EVENT_REMOVE QOF_MAKE_EVENT(4)
#define QOF_EVENT__LAST QOF_EVENT_REMOVE
#define QOF_EVENT_ALL (0xff)
/** Allow scope for more defaults in future. Additional
event identifiers must be larger than this. */
#define QOF_DEFAULT_EVENT_LIMIT QOF_EVENT__LAST
#define QOF_EVENT_BASE QOF_EVENT__LAST
/** \brief Handler invoked when an event is generated.
*