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Diffstat (limited to 'libnautilus-private/nautilus-gtk-macros.h')
| -rw-r--r-- | libnautilus-private/nautilus-gtk-macros.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/libnautilus-private/nautilus-gtk-macros.h b/libnautilus-private/nautilus-gtk-macros.h deleted file mode 100644 index a8d12856e..000000000 --- a/libnautilus-private/nautilus-gtk-macros.h +++ /dev/null @@ -1,168 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- - - nautilus-gtk-macros.h: Macros to reduce boilerplate when using GTK. - - Copyright (C) 1999, 2000, 2001 Eazel, Inc. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with this program; if not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Authors: Darin Adler <darin@eazel.com> - Ramiro Estrugo <ramiro@eazel.com> -*/ - -#ifndef NAUTILUS_GTK_MACROS_H -#define NAUTILUS_GTK_MACROS_H - -#include <glib.h> - -/* Define a parent_class global and a get_type function for a GTK class. - Since this is boilerplate, it's better not to repeat it over and over again. - Called like this: - - NAUTILUS_DEFINE_CLASS_BOILERPLATE (NautilusBookmark, nautilus_bookmark, GTK_TYPE_OBJECT) - - The parent_class_type parameter is guaranteed to be evaluated only once - so it can be an expression, even an expression that contains a function call. -*/ -#define NAUTILUS_DEFINE_CLASS_BOILERPLATE(class_name, class_name_in_function_format, parent_class_type) \ - \ -static gpointer parent_class; \ - \ -GtkType \ -class_name_in_function_format##_get_type (void) \ -{ \ - GtkType parent_type; \ - static GtkType type; \ - \ - if (type == 0) { \ - static GtkTypeInfo info = { \ - #class_name, \ - sizeof (class_name), \ - sizeof (class_name##Class), \ - (GtkClassInitFunc)class_name_in_function_format##_initialize_class, \ - (GtkObjectInitFunc)class_name_in_function_format##_initialize, \ - NULL, \ - NULL, \ - NULL \ - }; \ - \ - parent_type = (parent_class_type); \ - type = gtk_type_unique (parent_type, &info); \ - parent_class = gtk_type_class (parent_type); \ - } \ - \ - return type; \ -} - -/* Call a parent class version of a virtual function (or default - * signal handler since that's the same thing). Nice because it - * documents what it's doing and there is less chance for a - * typo. Depends on the parent class pointer having the conventional - * name "parent_class" as the boilerplate macro above does it. - */ -#define NAUTILUS_CALL_PARENT(parent_class_cast_macro, signal, parameters) \ - \ -G_STMT_START { \ - if (parent_class_cast_macro (parent_class)->signal != NULL) { \ - (* parent_class_cast_macro (parent_class)->signal) parameters; \ - } \ -} G_STMT_END - -/* Same thing, for functions with a return value. */ -#define NAUTILUS_CALL_PARENT_WITH_RETURN_VALUE(parent_class_cast_macro, signal, parameters) \ - \ -(parent_class_cast_macro (parent_class)->signal == NULL) \ - ? 0 \ - : ((* parent_class_cast_macro (parent_class)->signal) parameters) - -/* Call a virtual function. Useful when the virtual function is not a - * signal, otherwise you want to gtk_signal emit. Nice because it - * documents what it's doing and there is less chance for a typo. - */ -#define NAUTILUS_CALL_METHOD(class_cast_macro, object, signal, parameters) \ - \ -G_STMT_START { \ - if (class_cast_macro (GTK_OBJECT (object)->klass)->signal != NULL) { \ - (* class_cast_macro (GTK_OBJECT (object)->klass)->signal) parameters; \ - } \ -} G_STMT_END - -/* Same thing, for functions with a return value. */ -#define NAUTILUS_CALL_METHOD_WITH_RETURN_VALUE(class_cast_macro, object, signal, parameters) \ - \ -(class_cast_macro (GTK_OBJECT (object)->klass)->signal == NULL) \ - ? 0 \ - : ((* class_cast_macro (GTK_OBJECT (object)->klass)->signal) parameters) - -#ifndef G_DISABLE_ASSERT - -/* Define a signal that is not implemented by this class but must be - * implemented by subclasses. This macro should be used inside the - * class initialization function. The companion macro NAUTILUS_IMPLEMENT_MUST_OVERRIDE_SIGNAL - * must be used earlier in the file. Called like this: - * - * NAUTILUS_ASSIGN_MUST_OVERRIDE_SIGNAL (klass, - * fm_directory_view, - * clear); - */ -#define NAUTILUS_ASSIGN_MUST_OVERRIDE_SIGNAL(class_pointer, class_name_in_function_format, signal) \ - \ -* (void (**)(void)) & (class_pointer)->signal = class_name_in_function_format##_unimplemented_##signal - -/* Provide a debug-only implementation of a signal that must be implemented - * by subclasses. The debug-only implementation fires a warning if it is called. - * This macro should be placed as if it were a function, earlier in the file - * than the class initialization function. Called like this: - * - * NAUTILUS_IMPLEMENT_MUST_OVERRIDE_SIGNAL (fm_directory_view, clear); - */ -#define NAUTILUS_IMPLEMENT_MUST_OVERRIDE_SIGNAL(class_name_in_function_format, signal) \ - \ -static void \ -class_name_in_function_format##_unimplemented_##signal (void) \ -{ \ - g_warning ("failed to override signal " #class_name_in_function_format "->" #signal); \ -} - -#else /* G_DISABLE_ASSERT */ - -#define NAUTILUS_DEFINE_MUST_OVERRIDE_SIGNAL(class_cast_macro, class_pointer, class_name_in_function_format, signal) -#define NAUTILUS_IMPLEMENT_MUST_OVERRIDE_SIGNAL(class_name_in_function_format, signal) -#define NAUTILUS_ASSIGN_MUST_OVERRIDE_SIGNAL(class_pointer, class_name_in_function_format, signal) - -#endif /* G_DISABLE_ASSERT */ - -/* Access the class for a given object. */ -#define NAUTILUS_CLASS(object) (GTK_OBJECT (object)->klass) - -/* Access a method. */ -#define NAUTILUS_ACCESS_METHOD(class_cast_macro, object, method) \ -(class_cast_macro (NAUTILUS_CLASS (object))->method) - -/* Invoke a method for a given object. */ -#define NAUTILUS_INVOKE_METHOD(class_cast_macro, object, method, parameters) \ -((* NAUTILUS_ACCESS_METHOD (class_cast_macro, object, method)) parameters) - -/* Assert the non-nullness of a method for a given object. */ -#define NAUTILUS_ASSERT_METHOD(class_cast_macro, object, method) \ -g_assert (NAUTILUS_ACCESS_METHOD (class_cast_macro, object, method) != NULL) - -/* Invoke a method if it ain't null. */ -#define NAUTILUS_INVOKE_METHOD_IF(class_cast_macro, object, method, parameters) \ -(NAUTILUS_ACCESS_METHOD (class_cast_macro, object, method) ? 0 : \ - NAUTILUS_INVOKE_METHOD (class_cast_macro, object, method, parameters)) - -#endif /* NAUTILUS_GTK_MACROS_H */ |