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- dnl $Id: class_gobject.m4,v 1.6 2004/04/29 22:43:44 murrayc Exp $
-
-
- define(`_CLASS_GOBJECT',`dnl
- _PUSH()
- dnl
- dnl Define the args for later macros
- define(`__CPPNAME__',`$1')
- define(`__CNAME__',`$2')
- define(`__CCAST__',`$3')
- define(`__BASE__',_LOWER(__CPPNAME__))
- define(`__CPPPARENT__',`$4')
- define(`__CPARENT__',`$5')
- define(`__PCAST__',`($5*)')
-
- dnl Some C types, e.g. GdkWindow or GdkPixmap, are a typedef to their base type,
- dnl rather than the real instance type. That is really ugly, yes. We get around
- dnl the problem by supporting optional __REAL_* arguments to this macro.
- define(`__REAL_CNAME__',ifelse(`$6',,__CNAME__,`$6'))
- define(`__REAL_CPARENT__',ifelse(`$7',,__CPARENT__,`$7'))
-
-
- _POP()
- _SECTION(SECTION_CLASS2)
- ') dnl end of _CLASS_GOBJECT
-
- dnl Widget and Object, and some others, have custom-written destructor implementations:
- define(`_CUSTOM_DTOR',`dnl
- _PUSH()
- dnl Define this macro to be tested for later.
- define(`__BOOL_CUSTOM_DTOR__',`$1')
- _POP()
- ')
-
- dnl Gdk::Pixmap_Class::wrap_new() needs a custom implementation, in order
- dnl to create a Gdk::Bitmap object if appropriate. See comments there.
- define(`_CUSTOM_WRAP_NEW',`dnl
- _PUSH()
- dnl Define this macro to be tested for later.
- define(`__BOOL_CUSTOM_WRAP_NEW__',`1')
- _POP()
- ')
-
- dnl Gnome::Canvas::CanvasAA::CanvasAA() needs access to the
- dnl normally-private canvas_class_ member variable. See comments there.
- define(`_GMMPROC_PROTECTED_GCLASS',`dnl
- _PUSH()
- dnl Define this macro to be tested for later.
- define(`__BOOL_PROTECTED_GCLASS__',`1')
- _POP()
- ')
-
- dnl Some of the Gdk types are actually direct typedefs of their base type.
- dnl This means that 2 wrap functions would have the same argument.
- dnl define(`_NO_WRAP_FUNCTION',`dnl
- dnl _PUSH()
- dnl Define this macro to be tested for later.
- dnl define(`__BOOL_NO_WRAP_FUNCTION__',`$1')
- dnl _POP()
- dnl ')
-
- dnl
- dnl _CREATE_METHOD(args_type_and_name_hpp, args_type_and_name_cpp,args_name_only);
- dnl
- define(`_CREATE_METHOD',`
- static Glib::RefPtr<`'__CPPNAME__`'> create(`'$1`');
- _PUSH(SECTION_CC)
- Glib::RefPtr<`'__CPPNAME__`'> __CPPNAME__`'::create(`'$2`')
- {
- return Glib::RefPtr<`'__CPPNAME__`'>( new __CPPNAME__`'(`'$3`') );
- }
- _POP()
- ')
-
-
- dnl
- dnl _END_CLASS_GOBJECT()
- dnl denotes the end of a class
- dnl
- define(`_END_CLASS_GOBJECT',`
- _SECTION(SECTION_HEADER1)
- ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
- ',`dnl
- _STRUCT_PROTOTYPE()
- ')dnl
-
- __NAMESPACE_BEGIN__ class __CPPNAME__`'_Class; __NAMESPACE_END__
- _SECTION(SECTION_HEADER3)
-
- ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
- ',`dnl
- namespace Glib
- {
- /** @relates __NAMESPACE__::__CPPNAME__
- * @param object The C instance
- * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
- * @result A C++ instance that wraps this C instance.
- */
- Glib::RefPtr<__NAMESPACE__::__CPPNAME__> wrap(__REAL_CNAME__`'* object, bool take_copy = false);
- }
- ')dnl
-
-
- dnl
- dnl
- _SECTION(SECTION_PHEADER)
-
- #include <glibmm/class.h>
-
- __NAMESPACE_BEGIN__
-
- _PH_CLASS_DECLARATION()
-
- __NAMESPACE_END__
-
- _SECTION(SECTION_SRC_GENERATED)
-
- ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
- ',`dnl else
- namespace Glib
- {
-
- Glib::RefPtr<__NAMESPACE__::__CPPNAME__> wrap(__REAL_CNAME__`'* object, bool take_copy)
- {
- return Glib::RefPtr<__NAMESPACE__::__CPPNAME__>( dynamic_cast<__NAMESPACE__::__CPPNAME__*> (Glib::wrap_auto ((GObject*)(object), take_copy)) );
- //We use dynamic_cast<> in case of multiple inheritance.
- }
-
- } /* namespace Glib */
- ')dnl endif
-
-
-
-
- __NAMESPACE_BEGIN__
-
-
- /* The *_Class implementation: */
-
- _PCC_CLASS_IMPLEMENTATION()
-
- m4_ifdef(`__BOOL_CUSTOM_WRAP_NEW__',,`dnl else
- Glib::ObjectBase* __CPPNAME__`'_Class::wrap_new(GObject* object)
- {
- return new __CPPNAME__`'((__CNAME__*)`'object);
- }
-
- ')dnl endif
-
- /* The implementation: */
-
- __CNAME__* __CPPNAME__::gobj_copy()
- {
- reference();
- return gobj();
- }
-
- __CPPNAME__::__CPPNAME__`'(const Glib::ConstructParams& construct_params)
- :
- __CPPPARENT__`'(construct_params)
- {}
-
- __CPPNAME__::__CPPNAME__`'(__CNAME__* castitem)
- :
- __CPPPARENT__`'(__PCAST__`'(castitem))
- {}
-
- ifdef(`__BOOL_CUSTOM_DTOR__',`dnl
- ',`dnl
- __CPPNAME__::~__CPPNAME__`'()
- {}
-
- ')dnl
-
-
- _CC_CLASS_IMPLEMENTATION()
-
- __NAMESPACE_END__
-
- dnl
- dnl
- dnl
- dnl
- _POP()
- dnl
- dnl The actual class, e.g. Gtk::Widget, declaration:
- dnl _IMPORT(SECTION_H_SIGNALPROXIES_CUSTOM)
-
- _IMPORT(SECTION_CLASS1)
-
- #ifndef DOXYGEN_SHOULD_SKIP_THIS
-
- public:
- typedef __CPPNAME__ CppObjectType;
- typedef __CPPNAME__`'_Class CppClassType;
- typedef __CNAME__ BaseObjectType;
- typedef __REAL_CNAME__`'Class BaseClassType;
-
- m4_ifdef(`__BOOL_PROTECTED_GCLASS__',
- `protected:',`dnl else
- private:')dnl endif
- friend class __CPPNAME__`'_Class;
- static CppClassType `'__BASE__`'_class_;
-
- private:
- // noncopyable
- __CPPNAME__`'(const __CPPNAME__&);
- __CPPNAME__& operator=(const __CPPNAME__&);
-
- protected:
- explicit __CPPNAME__`'(const Glib::ConstructParams& construct_params);
- explicit __CPPNAME__`'(__CNAME__* castitem);
-
- #endif /* DOXYGEN_SHOULD_SKIP_THIS */
-
- public:
- virtual ~__CPPNAME__`'();
-
- #ifndef DOXYGEN_SHOULD_SKIP_THIS
- static GType get_type() G_GNUC_CONST;
- static GType get_base_type() G_GNUC_CONST;
- #endif
-
- ///Provides access to the underlying C GObject.
- __CNAME__* gobj() { return reinterpret_cast<__CNAME__*>(gobject_); }
-
- ///Provides access to the underlying C GObject.
- const __CNAME__* gobj() const { return reinterpret_cast<__CNAME__*>(gobject_); }
-
- ///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
- __CNAME__* gobj_copy();
-
- private:
- _IMPORT(SECTION_CLASS2)
-
- public:
- _H_VFUNCS_AND_SIGNALS()
-
- ')
-
-