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docs: Add more comments on code example for composite actor

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Add more comments about the specific purpose of functions
and variables in the composite actor example, particularly
around GObject implementation.
This commit is contained in:
Elliot Smith
2011-01-28 11:13:47 +00:00
parent b3954878c2
commit 7059be499a
2 changed files with 72 additions and 8 deletions
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11
doc/cookbook/examples/cb-button.h
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@ -14,11 +14,22 @@
GType cb_button_get_type (void);
/* GObject type macros */
/* returns the class type identifier (GType) for CbButton */
#define CB_TYPE_BUTTON (cb_button_get_type ())
/* cast obj to a CbButton object structure*/
#define CB_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CB_TYPE_BUTTON, CbButton))
/* check whether obj is a CbButton */
#define CB_IS_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CB_TYPE_BUTTON))
/* cast klass to CbButtonClass class structure */
#define CB_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CB_TYPE_BUTTON, CbButtonClass))
/* check whether klass is a member of the CbButtonClass */
#define CB_IS_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CB_TYPE_BUTTON))
/* get the CbButtonClass structure for a CbButton obj */
#define CB_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CB_TYPE_BUTTON, CbButtonClass))
/*