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The Tepl framework uses the TeplAbstractFactory singleton to create some
objects and widgets. By creating a subclass of TeplAbstractFactory (to
override the desired virtual functions) and setting the instance with
tepl_abstract_factory_set_singleton()
, an application can tell Tepl to create
custom objects and widgets.
Note that GtkTextViewClass has the ::create_buffer factory method, that TeplView overrides to create a TeplBuffer. How the TeplView and TeplBuffer are created can be customized with the ::create_tab vfunc of TeplAbstractFactory.
void
tepl_abstract_factory_set_singleton (TeplAbstractFactory *factory
);
Sets the TeplAbstractFactory singleton. This should be called early in
main()
, for example just after calling tepl_init()
.
This function must be called only once, before the first call to
tepl_abstract_factory_get_singleton()
.
Tepl takes ownership of the factory
reference.
Since: 3.0
TeplAbstractFactory *
tepl_abstract_factory_get_singleton (void
);
Gets the TeplAbstractFactory singleton instance.
If tepl_abstract_factory_set_singleton()
has not been called, the singleton
is created with a TeplAbstractFactory instance.
Since: 3.0
TeplTab *
tepl_abstract_factory_create_tab (TeplAbstractFactory *factory
);
Since: 3.0
GtkWidget * tepl_abstract_factory_create_tab_label (TeplAbstractFactory *factory
,TeplTab *tab
);
Creates a new tab label for tab
, suitable for gtk_notebook_set_tab_label()
.
a new GtkWidget, or NULL
for the
default tab label (“page N” with GtkNotebook).
[transfer floating][nullable]
Since: 3.0
struct TeplAbstractFactoryClass { GObjectClass parent_class; TeplTab * (* create_tab) (TeplAbstractFactory *factory); GtkWidget * (* create_tab_label) (TeplAbstractFactory *factory, TeplTab *tab); };
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