XmSetProtocolHooks(X3mot)

XmSetProtocolHooks -- a VendorShell function that allows pre and post actions to be executed when a protocol message is received from MWM

Synopsis

#include <Xm/Xm.h>
#include <Xm/Protocols.h>

void XmSetProtocolHooks (shell, property, protocol, prehook, pre_closure,
                         posthook, post_closure)
Widget shell;
Atom property;
Atom protocol;
XtCallbackProc prehook;
XtPointer pre_closure;
XtCallbackProc posthook;
XtPointer post_closure;

void XmSetWMProtocolHooks (shell, protocol, prehook, pre_closure,
                           posthook, post_closure)
Widget shell;
Atom protocol;
XtCallbackProc prehook;
XtPointer pre_closure;
XtCallbackProc posthook;
XtPointer post_closure;

Description

XmSetProtocolHooks is used by shells that want to have pre and post actions 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 (or an int cast to 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(X3mot).

References

VendorShell(X3mot), XmInternAtom(X3mot) and XmSetWMProtocolHooks(X3mot).