Perl/Tk Pocket Reference

15. Bindings and Virtual Events 85

$mw->transient(?master?);

Informs window manager that

$mw is a transient of the

window master.

$mw->withdraw;

Arranges for

$mw to be withdrawn from the screen.

15. Bindings

and Virtual Events

Note that bind callbacks are implicitly passed the bound

object as the first argument of the parameter list.

An eventDescriptor is a list of one or more event patterns. An

event pattern may be a single character, a string of the form

‘<modifier-modifier-type-detail>’, or ‘<<name>>’

(a virtual event).

$widget->bind;

Returns list of all eventDescriptors for which a binding

exists for

$widget.

$widget->bind(tag);

Returns list of all eventDescriptors for which a binding

exists for tag.

$widget->bind(eventDescriptor);

Returns the callback bound to the given eventDescriptor

for

$widget.

$widget->bind(tag, eventDescriptor);

Returns the callback bound to the given eventDescriptor

for tag.

$widget->bind(eventDescriptor => callback);

Binds callback to the given eventDescriptor for

$widget

$widget->bind(tag, eventDescriptor => callback);

Binds callback to the given eventDescriptor for tag

$widget->bindtags(?tagList?);

Sets the current precedence order of tags for

$widget to

tagList. By default a Perl/Tk widget’s taglist is class,

86 Perl/Tk Pocket Reference

instance, toplevel, all. Note that this ordering differs ...