XmSetProtocolHooks — A VendorShell function that allows preactions
and postactions to be executed when a protocol message is received from MWM
"XmSetProtocolHooks" "VendorShell functions"
"XmSetProtocolHooks" "protocols"
#include <Xm/Xm.h>
#include <Xm/Protocols.h>
void XmSetProtocolHooks(
Widget shell,
Atom property,
Atom protocol,
XtCallbackProc prehook,
XtPointer pre_closure,
XtCallbackProc posthook,
XtPointer post_closure);
XmSetProtocolHooks is used by shells that want to have preactions and
postactions executed when a protocol message is received from MWM. Since there
is no guaranteed ordering in execution of event handlers or callback lists,
this allows the shell to control the flow while leaving the protocol manager
structures opaque.
XmSetWMProtocolHooks is a convenience interface. It calls
XmSetProtocolHooks with the property value set to the atom returned by
interning
WM_PROTOCOLS.
- shell
- Specifies the widget with which the protocol property is
associated
- property
- Specifies the protocol property
- protocol
- Specifies the protocol atom
- prehook
- Specifies the procedure to call before calling entries on
the client callback list
- pre_closure
- Specifies the client data to be passed to the prehook when
it is invoked
- posthook
- Specifies the procedure to call after calling entries on
the client callback list
- post_closure
- Specifies the client data to be passed to the posthook when
it is invoked
For a complete definition of VendorShell and its associated resources, see
VendorShell(3).
VendorShell(3),
XmInternAtom(3), and
XmSetWMProtocolHooks(3).