Table of Contents
XtAppAddActionHook, XtRemoveActionHook
- register an action hook procedure
- XtActionHookId XtAppAddActionHook(XtAppContext
app_context,
- XtActionHookProc proc, XtPointer client_data);
- void XtRemoveActionHook(XtActionHookId
id);
- app_context
- Specifies the application context.
- proc
- Specifies
the action hook procedure.
- num_args
- Specifies the application-specific data
to be passed to the action hook.
XtAppAddActionHook adds the
specified procedure to the front of a list maintained in the application
context. In the future, when an action routine is about to be invoked for
any widget in this application context, either through the translation
manager or via XtCallActionProc, the action hohok procedures will be
called in reverse order of registration jut prior to invoking the action
routine.
Action hook procedures are removed automatically and the XtActionHookId
s destroyed when the application context in which they were added is
destroyed.
XtRemoveActionHook removes the specified action hook procedure
from the list in which it was registered.
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
Table of Contents