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livetrax/libs/glibmm2/tools/m4/class_shared.m4
Paul Davis e916ac2821 upgrade to glibmm 2.16
git-svn-id: svn://localhost/ardour2/branches/3.0@5303 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-07-02 13:12:38 +00:00

234 lines
6.0 KiB
Plaintext

dnl $Id: class_shared.m4 540 2008-01-25 20:29:42Z murrayc $
define(`_CLASS_START',`dnl
_PUSH(SECTION_CLASS1)
')
dnl
dnl
dnl
define(`_H_VFUNCS_AND_SIGNALS',`dnl
public:
//C++ methods used to invoke GTK+ virtual functions:
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_H_VFUNCS_CPPWRAPPER)
#endif //GLIBMM_VFUNCS_ENABLED
protected:
//GTK+ Virtual Functions (override these to change behaviour):
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_H_VFUNCS)
#endif //GLIBMM_VFUNCS_ENABLED
//Default Signal Handlers::
#ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
_IMPORT(SECTION_H_DEFAULT_SIGNAL_HANDLERS)
#endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
')
dnl
dnl
dnl
define(`_IMPLEMENTS_INTERFACE_CC',`dnl
_PUSH(SECTION_CC_IMPLEMENTS_INTERFACES)
ifelse(`$2',,,`#ifdef $2'
)dnl
$1`'::add_interface(get_type());
ifelse(`$2',,,`
#endif // $2
')dnl
_POP()
')
dnl GVolumeMonitor can be broken/impeded by defining a sub-type.
define(`_DO_NOT_DERIVE_GTYPE',`dnl
_PUSH()
dnl Define this macro to be tested for later.
define(`__BOOL_DO_NOT_DERIVE_GTYPE__',`$1')
_POP()
')
dnl
dnl
dnl
define(`_PH_CLASS_DECLARATION',`dnl
class __CPPNAME__`'_Class : public Glib::Class
{
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef __CPPNAME__ CppObjectType;
typedef __REAL_CNAME__ BaseObjectType;
ifdef(`__BOOL_DO_NOT_DERIVE_GTYPE__',`dnl
typedef __CPPPARENT__`'_Class CppClassParent;
',`dnl
typedef __REAL_CNAME__`'Class BaseClassType;
typedef __CPPPARENT__`'_Class CppClassParent;
typedef __REAL_CPARENT__`'Class BaseClassParent;
')dnl
friend class __CPPNAME__;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
const Glib::Class& init();
ifdef(`__BOOL_DO_NOT_DERIVE_GTYPE__',`dnl
',`dnl
static void class_init_function(void* g_class, void* class_data);
')dnl
static Glib::ObjectBase* wrap_new(GObject*);
protected:
#ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
//Callbacks (default signal handlers):
//These will call the *_impl member methods, which will then call the existing default signal callbacks, if any.
//You could prevent the original default signal handlers being called by overriding the *_impl method.
_IMPORT(SECTION_PH_DEFAULT_SIGNAL_HANDLERS)
#endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
//Callbacks (virtual functions):
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_PH_VFUNCS)
#endif //GLIBMM_VFUNCS_ENABLED
};
')
dnl
dnl
dnl
define(`_PCC_CLASS_IMPLEMENTATION',`dnl
const Glib::Class& __CPPNAME__`'_Class::init()
{
if(!gtype_) // create the GType if necessary
{
ifdef(`__BOOL_DO_NOT_DERIVE_GTYPE__',`dnl
// Do not derive a GType, or use a derived klass:
gtype_ = CppClassParent::CppObjectType::get_type();
',`dnl
// Glib::Class has to know the class init function to clone custom types.
class_init_func_ = &__CPPNAME__`'_Class::class_init_function;
// This is actually just optimized away, apparently with no harm.
// Make sure that the parent type has been created.
//CppClassParent::CppObjectType::get_type();
// Create the wrapper type, with the same class/instance size as the base type.
register_derived_type(_LOWER(__CCAST__)_get_type());
// Add derived versions of interfaces, if the C type implements any interfaces:
_IMPORT(SECTION_CC_IMPLEMENTS_INTERFACES)
')
}
return *this;
}
ifdef(`__BOOL_DO_NOT_DERIVE_GTYPE__',`dnl
',`dnl
void __CPPNAME__`'_Class::class_init_function(void* g_class, void* class_data)
{
BaseClassType *const klass = static_cast<BaseClassType*>(g_class);
CppClassParent::class_init_function(klass, class_data);
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_PCC_CLASS_INIT_VFUNCS)
#endif //GLIBMM_VFUNCS_ENABLED
#ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
_IMPORT(SECTION_PCC_CLASS_INIT_DEFAULT_SIGNAL_HANDLERS)
#endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
}
')dnl
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_PCC_VFUNCS)
#endif //GLIBMM_VFUNCS_ENABLED
#ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
_IMPORT(SECTION_PCC_DEFAULT_SIGNAL_HANDLERS)
#endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
')
dnl
dnl
dnl
define(`_CC_CLASS_IMPLEMENTATION',`dnl
__CPPNAME__::CppClassType __CPPNAME__::`'__BASE__`'_class_; // initialize static member
GType __CPPNAME__::get_type()
{
return __BASE__`'_class_.init().get_type();
}
GType __CPPNAME__::get_base_type()
{
return _LOWER(__CCAST__)_get_type();
}
_IMPORT(SECTION_CC)
dnl _IMPORT(SECTION_CC_SIGNALPROXIES_CUSTOM)
_IMPORT(SECTION_CC_SIGNALPROXIES)
_IMPORT(SECTION_CC_PROPERTYPROXIES)
#ifdef GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
_IMPORT(SECTION_CC_DEFAULT_SIGNAL_HANDLERS)
#endif //GLIBMM_DEFAULT_SIGNAL_HANDLERS_ENABLED
#ifdef GLIBMM_VFUNCS_ENABLED
_IMPORT(SECTION_CC_VFUNCS)
_IMPORT(SECTION_CC_VFUNCS_CPPWRAPPER)
#endif //GLIBMM_VFUNCS_ENABLED
')
dnl _PARENT_GCLASS_FROM_OBJECT(object_instance_name)
define(`_PARENT_GCLASS_FROM_OBJECT',`dnl
g_type_class_peek_parent`'(G_OBJECT_GET_CLASS`'($1)) // Get the parent class of the object class (The original underlying C class).
')
dnl _IFACE_PARENT_FROM_OBJECT(object_instance_name)
define(`_IFACE_PARENT_FROM_OBJECT',`dnl
g_type_interface_peek_parent`'( // Get the parent interface of the interface (The original underlying C interface).
g_type_interface_peek`'(G_OBJECT_GET_CLASS`'($1), CppObjectType::get_type`'()) // Get the interface.
)dnl
')
dnl Bonobo doesn't use the "typedef struct _somestruct struct" system.
define(`_STRUCT_NOT_HIDDEN',`dnl
_PUSH()
dnl Define this macro to be tested for later.
define(`__BOOL_STRUCT_NOT_HIDDEN__',`$1')
_POP()
')
dnl _STRUCT_PROTOTYPE()
define(`_STRUCT_PROTOTYPE',`dnl
#ifndef DOXYGEN_SHOULD_SKIP_THIS
ifdef(`__BOOL_STRUCT_NOT_HIDDEN__',`dnl
',`dnl
typedef struct _`'__CNAME__ __CNAME__;
typedef struct _`'__CNAME__`'Class __CNAME__`'Class;
')dnl
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
')
dnl _GTKMMPROC_WIN32_NO_WRAP
dnl Just process it to remove it from the generated file.
dnl generate_wrap_init.pl will look for this in the original .hg file.
dnl
define(`_GTKMMPROC_WIN32_NO_WRAP', dnl
`//This is not available in on Win32.
//This source file will not be compiled,
//and the class will not be registered in wrap_init.h or wrap_init.cc
')dnl