/usr/lib/x86_64-linux-gnu/glibmm-2.4/proc/m4/class_interface.m4 is in libglibmm-2.4-dev 2.39.93-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 | dnl $Id$
define(`_CLASS_INTERFACE',`dnl
_PUSH()
dnl
dnl Define the args for later macros
define(`__CPPNAME__',`$1')
define(`__CNAME__',`$2')
define(`__CCAST__',`$3')
define(`__CCLASS__',`$4') dnl SomethingIface or SomethingClass, both suffixes are used.
define(`__BASE__',_LOWER(__CPPNAME__))
define(`__CPPPARENT__',m4_ifelse($5,`',`Glib::Interface',$5)) #Optional parameter.
define(`__CPARENT__',m4_ifelse($6,`',`GObject',$6)) #Optional parameter.
define(`__PCAST__',`(__CPARENT__`'*)')
define(`__BOOL_IS_INTERFACE__',`1')
dnl For classes that need custom code in their cast constructor.
define(`_CUSTOM_CTOR_CAST',`dnl
_PUSH()
dnl Define this macro to be tested for later.
define(`__BOOL_CUSTOM_CTOR_CAST__',`$1')
_POP()
')
_POP()
_SECTION(SECTION_CLASS2)
') dnl end of _CLASS_INTERFACE
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
dnl
define(`_PH_CLASS_DECLARATION_INTERFACE',`dnl
class __CPPNAME__`'_Class : public __CPPPARENT__`'_Class
{
public:
typedef __CPPNAME__ CppObjectType;
typedef __CNAME__ BaseObjectType;
typedef __CCLASS__ BaseClassType;
typedef __CPPPARENT__`'_Class CppClassParent;
friend class __CPPNAME__;
const Glib::Interface_Class& init();
static void iface_init_function(void* g_iface, void* iface_data);
static Glib::ObjectBase* wrap_new(GObject*);
protected:
//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)
//Callbacks (virtual functions):
_IMPORT(SECTION_PH_VFUNCS)
};
')
dnl
dnl
dnl
define(`_PCC_CLASS_IMPLEMENTATION_INTERFACE',`dnl
const Glib::Interface_Class& __CPPNAME__`'_Class::init()
{
if(!gtype_) // create the GType if necessary
{
// Glib::Interface_Class has to know the interface init function
// in order to add interfaces to implementing types.
class_init_func_ = &__CPPNAME__`'_Class::iface_init_function;
// We can not derive from another interface, and it is not necessary anyway.
gtype_ = _LOWER(__CCAST__)_get_type();
}
return *this;
}
void __CPPNAME__`'_Class::iface_init_function(void* g_iface, void*)
{
BaseClassType *const klass = static_cast<BaseClassType*>(g_iface);
//This is just to avoid an "unused variable" warning when there are no vfuncs or signal handlers to connect.
//This is a temporary fix until I find out why I can not seem to derive a GtkFileChooser interface. murrayc
g_assert(klass != 0);
_IMPORT(SECTION_PCC_CLASS_INIT_VFUNCS)
_IMPORT(SECTION_PCC_CLASS_INIT_DEFAULT_SIGNAL_HANDLERS)
}
_IMPORT(SECTION_PCC_VFUNCS)
_IMPORT(SECTION_PCC_DEFAULT_SIGNAL_HANDLERS)
')
dnl
dnl _END_CLASS_INTERFACE()
dnl denotes the end of a class
dnl
define(`_END_CLASS_INTERFACE',`
_SECTION(SECTION_HEADER1)
_STRUCT_PROTOTYPE()
__NAMESPACE_BEGIN__ class __CPPNAME__`'_Class; __NAMESPACE_END__
_SECTION(SECTION_HEADER3)
ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
',`dnl
namespace Glib
{
/** A Glib::wrap() method for this object.
*
* @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.
*
* @relates __NAMESPACE__::__CPPNAME__
*/
Glib::RefPtr<__NAMESPACE__::__CPPNAME__> wrap(__CNAME__`'* object, bool take_copy = false);
} // namespace Glib
')dnl
dnl
dnl
_SECTION(SECTION_PHEADER)
#include <glibmm/private/interface_p.h>
__NAMESPACE_BEGIN__
_PH_CLASS_DECLARATION_INTERFACE()
__NAMESPACE_END__
_SECTION(SECTION_SRC_GENERATED)
ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
',`dnl else
namespace Glib
{
Glib::RefPtr<__NAMESPACE__::__CPPNAME__> wrap(__CNAME__`'* object, bool take_copy)
{
return Glib::RefPtr<__NAMESPACE__::__CPPNAME__>( dynamic_cast<__NAMESPACE__::__CPPNAME__*> (Glib::wrap_auto_interface<__NAMESPACE__::__CPPNAME__> ((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_INTERFACE()
Glib::ObjectBase* __CPPNAME__`'_Class::wrap_new(GObject* object)
{
return new __CPPNAME__`'((__CNAME__*)`'(object));
}
/* The implementation: */
__CPPNAME__::__CPPNAME__`'()
:
__CPPPARENT__`'(__BASE__`'_class_.init())
{}
ifdef(`__BOOL_CUSTOM_CTOR_CAST__',`dnl
',`dnl
__CPPNAME__::__CPPNAME__`'(__CNAME__* castitem)
:
__CPPPARENT__`'(__PCAST__`'(castitem))
{}
')dnl
__CPPNAME__::__CPPNAME__`'(const Glib::Interface_Class& interface_class)
: __CPPPARENT__`'(interface_class)
{
}
__CPPNAME__::~__CPPNAME__`'()
{}
// static
void __CPPNAME__`'::add_interface(GType gtype_implementer)
{
__BASE__`'_class_.init().add_interface(gtype_implementer);
}
_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 __CCLASS__ BaseClassType;
private:
friend class __CPPNAME__`'_Class;
static CppClassType `'__BASE__`'_class_;
// noncopyable
__CPPNAME__`'(const __CPPNAME__&);
__CPPNAME__& operator=(const __CPPNAME__&);
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
protected:
/**
* You should derive from this class to use it.
*/
__CPPNAME__`'();
#ifndef DOXYGEN_SHOULD_SKIP_THIS
/** Called by constructors of derived classes. Provide the result of
* the Class init() function to ensure that it is properly
* initialized.
*
* @param interface_class The Class object for the derived type.
*/
explicit __CPPNAME__`'(const Glib::Interface_Class& interface_class);
public:
// This is public so that C++ wrapper instances can be
// created for C instances of unwrapped types.
// For instance, if an unexpected C type implements the C interface.
explicit __CPPNAME__`'(__CNAME__* castitem);
protected:
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
_IMPORT(SECTION_DTOR_DOCUMENTATION)
virtual ~__CPPNAME__`'();
static void add_interface(GType gtype_implementer);
/** Get the GType for this class, for use with the underlying GObject type system.
*/
static GType get_type() G_GNUC_CONST;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
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_); }
private:
_IMPORT(SECTION_CLASS2)
public:
_H_VFUNCS_AND_SIGNALS()
')
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