forked from AuroraMiddleware/gtk
8792bbbd28
Sun Jul 12 16:40:06 1998 Tim Janik <timj@gtk.org> * gtk/gtkargcollector.c (gtk_arg_collect_value): fix float argument collection (always casted to doubles upon argument passing).
125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* collect a single argument value from a va_list
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*/
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static inline gchar*
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gtk_arg_collect_value (GtkType fundamental_type,
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GtkArg *arg,
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va_list *var_args)
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{
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gchar *error_msg;
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error_msg = NULL;
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switch (fundamental_type)
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{
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case GTK_TYPE_INVALID:
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error_msg = g_strdup ("invalid untyped argument");
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break;
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case GTK_TYPE_NONE:
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/* error_msg = g_strdup ("invalid argument type `void'"); */
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break;
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case GTK_TYPE_CHAR:
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GTK_VALUE_CHAR (*arg) = va_arg (*var_args, gchar);
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break;
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case GTK_TYPE_BOOL:
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GTK_VALUE_BOOL (*arg) = va_arg (*var_args, gboolean);
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break;
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case GTK_TYPE_INT:
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GTK_VALUE_INT (*arg) = va_arg (*var_args, gint);
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break;
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case GTK_TYPE_UINT:
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GTK_VALUE_UINT (*arg) = va_arg (*var_args, guint);
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break;
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case GTK_TYPE_ENUM:
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GTK_VALUE_ENUM (*arg) = va_arg (*var_args, gint);
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break;
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case GTK_TYPE_FLAGS:
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GTK_VALUE_FLAGS (*arg) = va_arg (*var_args, gint);
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break;
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case GTK_TYPE_LONG:
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GTK_VALUE_LONG (*arg) = va_arg (*var_args, glong);
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break;
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case GTK_TYPE_ULONG:
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GTK_VALUE_ULONG (*arg) = va_arg (*var_args, gulong);
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break;
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case GTK_TYPE_FLOAT:
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/* GTK_VALUE_FLOAT (*arg) = va_arg (*var_args, gfloat); */
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GTK_VALUE_FLOAT (*arg) = va_arg (*var_args, gdouble);
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break;
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case GTK_TYPE_DOUBLE:
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GTK_VALUE_DOUBLE (*arg) = va_arg (*var_args, gdouble);
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break;
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case GTK_TYPE_STRING:
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GTK_VALUE_STRING (*arg) = va_arg (*var_args, gchar*);
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break;
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case GTK_TYPE_POINTER:
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GTK_VALUE_POINTER (*arg) = va_arg (*var_args, gpointer);
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break;
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case GTK_TYPE_BOXED:
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GTK_VALUE_BOXED (*arg) = va_arg (*var_args, gpointer);
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break;
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case GTK_TYPE_SIGNAL:
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GTK_VALUE_SIGNAL (*arg).f = va_arg (*var_args, GtkFunction);
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GTK_VALUE_SIGNAL (*arg).d = va_arg (*var_args, gpointer);
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break;
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case GTK_TYPE_FOREIGN:
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GTK_VALUE_FOREIGN (*arg).data = va_arg (*var_args, gpointer);
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GTK_VALUE_FOREIGN (*arg).notify = va_arg (*var_args, GtkDestroyNotify);
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break;
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case GTK_TYPE_CALLBACK:
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GTK_VALUE_CALLBACK (*arg).marshal = va_arg (*var_args, GtkCallbackMarshal);
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GTK_VALUE_CALLBACK (*arg).data = va_arg (*var_args, gpointer);
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GTK_VALUE_CALLBACK (*arg).notify = va_arg (*var_args, GtkDestroyNotify);
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break;
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case GTK_TYPE_C_CALLBACK:
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GTK_VALUE_C_CALLBACK (*arg).func = va_arg (*var_args, GtkFunction);
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GTK_VALUE_C_CALLBACK (*arg).func_data = va_arg (*var_args, gpointer);
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break;
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case GTK_TYPE_ARGS:
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GTK_VALUE_ARGS (*arg).n_args = va_arg (*var_args, gint);
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GTK_VALUE_ARGS (*arg).args = va_arg (*var_args, GtkArg*);
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break;
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case GTK_TYPE_OBJECT:
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GTK_VALUE_OBJECT (*arg) = va_arg (*var_args, GtkObject*);
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if (GTK_VALUE_OBJECT (*arg) != NULL)
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{
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register GtkObject *object = GTK_VALUE_OBJECT (*arg);
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if (object->klass == NULL ||
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!gtk_type_is_a (GTK_OBJECT_TYPE (object), arg->type))
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error_msg = g_strconcat ("invalid object `",
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gtk_type_name (GTK_OBJECT_TYPE (object)),
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"' for argument type `",
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gtk_type_name (arg->type),
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"'",
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NULL);
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}
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break;
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default:
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error_msg = g_strconcat ("unsupported argument type `",
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gtk_type_name (arg->type),
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"'",
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NULL);
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break;
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}
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return error_msg;
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}
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