Class

IdeSignalGroup

Description

final class Ide.SignalGroup : GObject.Object {
  /* No available fields */
}

IdeSignalGroup manages to simplify the process of connecting many signals to a GObject as a group. As such there is no API to disconnect a signal from the group.

In particular, this allows you to:

  • Change the target instance, which automatically causes disconnection of the signals from the old instance and connecting to the new instance.
  • Block and unblock signals as a group
  • Ensuring that blocked state transfers across target instances.

One place you might want to use such a structure is with GtkTextView and GtkTextBuffer. Often times, you’ll need to connect to many signals on GtkTextBuffer from a GtkTextView subclass. This allows you to create a signal group during instance construction, simply bind the GtkTextView:buffer property to IdeSignalGroup:target and connect all the signals you need. When the GtkTextView:buffer property changes all of the signals will be transitioned correctly.

Ancestors

Constructors

ide_signal_group_new

Creates a new IdeSignalGroup for target instances of target_type.

Instance methods

ide_signal_group_block

Blocks all signal handlers managed by self so they will not be called during any signal emissions. Must be unblocked exactly the same number of times it has been blocked to become active again.

ide_signal_group_connect

Connects callback to the signal detailed_signal on the target instance of self.

ide_signal_group_connect_after

Connects callback to the signal detailed_signal on the target instance of self.

ide_signal_group_connect_data

Connects callback to the signal detailed_signal on the target instance of self.

ide_signal_group_connect_object

Connects callback to the signal detailed_signal on the target object of self.

ide_signal_group_connect_swapped

Connects callback to the signal detailed_signal on the target instance of self.

ide_signal_group_get_target

Gets the target instance used when connecting signals.

ide_signal_group_set_target

Sets the target instance used when connecting signals. Any signal that has been registered with ide_signal_group_connect_object() or similar functions will be connected to this object.

ide_signal_group_unblock

Unblocks all signal handlers managed by self so they will be called again during any signal emissions unless it is blocked again. Must be unblocked exactly the same number of times it has been blocked to become active again.

Methods inherited from GObject (43)

Please see GObject for a full list of methods.

Properties

Ide.SignalGroup:target

The target instance used when connecting signals.

Ide.SignalGroup:target-type

The GType of the target property.

Signals

Ide.SignalGroup::bind

This signal is emitted when the target instance of self is set to a new GObject.

Ide.SignalGroup::unbind

This signal is emitted when the target instance of self is set to a new GObject.

Signals inherited from GObject (1)
GObject::notify

The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.

Class structure

struct IdeSignalGroupClass {
  GObjectClass parent_class;
  
}
No description available.
Class members
parent_class: GObjectClass
No description available.