mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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411 lines
16 KiB
C
411 lines
16 KiB
C
#ifndef __GOBJECT_2_GTK_H__
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#define __GOBJECT_2_GTK_H__
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#include <gtk/gtk.h>
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#define G_MAXUINT UINT_MAX
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#define G_MAXULONG ULONG_MAX
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#define G_E 2.7182818284590452354E0
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#define G_LN2 6.9314718055994530942E-1
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#define G_LN10 2.3025850929940456840E0
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#define G_PI 3.14159265358979323846E0
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#define G_PI_2 1.57079632679489661923E0
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#define G_PI_4 0.78539816339744830962E0
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#define G_SQRT2 1.4142135623730950488E0
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// lists functions not in glib 1.2
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GList *g_list_delete_link (GList *list, GList *llink);
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GSList *g_slist_delete_link (GSList *list, GSList *llink);
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// GObject
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typedef struct _GObject GObject;
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typedef struct _GObjectClass GObjectClass;
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#define g_string_printf g_string_sprintf
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#define g_string_printfa g_string_sprintfa
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#define g_object_ref(obj) gtk_object_ref((GtkObject *)(obj))
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#define g_object_unref(obj) gtk_object_unref((GtkObject *)(obj))
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// the helper macros for type checking
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#define G_TYPE_CHECK_INSTANCE_CAST GTK_CHECK_CAST
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#define G_TYPE_CHECK_INSTANCE_TYPE GTK_CHECK_TYPE
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#define G_TYPE_INSTANCE_GET_CLASS(o,t,c) (((c*)(GTK_OBJECT(o)->klass)))
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#define G_TYPE_CHECK_CLASS_CAST GTK_CHECK_CLASS_CAST
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#define G_TYPE_CHECK_CLASS_TYPE GTK_CHECK_CLASS_TYPE
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#define G_TYPE_FROM_CLASS(klass) (((GtkObjectClass *)(klass))->type)
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#define G_OBJECT_GET_CLASS(object) (G_OBJECT(object)->klass)
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#define G_OBJECT_TYPE GTK_OBJECT_TYPE
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#define G_OBJECT_CLASS_TYPE(gclass) (gclass->type)
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// types
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#define G_TYPE_NONE GTK_TYPE_NONE
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#define G_TYPE_CHAR GTK_TYPE_CHAR
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#define G_TYPE_UCHAR GTK_TYPE_UCHAR
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#define G_TYPE_BOOLEAN GTK_TYPE_BOOL
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#define G_TYPE_INT GTK_TYPE_INT
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#define G_TYPE_UINT GTK_TYPE_UINT
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#define G_TYPE_LONG GTK_TYPE_LONG
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#define G_TYPE_ULONG GTK_TYPE_ULONG
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#define G_TYPE_ENUM GTK_TYPE_ENUM
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#define G_TYPE_FLAGS GTK_TYPE_FLAGS
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#define G_TYPE_FLOAT GTK_TYPE_FLOAT
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#define G_TYPE_DOUBLE GTK_TYPE_DOUBLE
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#define G_TYPE_STRING GTK_TYPE_STRING
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#define G_TYPE_POINTER GTK_TYPE_POINTER
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#define G_TYPE_BOXED GTK_TYPE_BOXED
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#define G_TYPE_PARAM GTK_TYPE_PARAM
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// marshallers
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#define g_cclosure_marshal_VOID__VOID gtk_marshal_NONE__NONE
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#define g_cclosure_marshal_VOID__BOOLEAN gtk_marshal_NONE__BOOL
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#define g_cclosure_marshal_VOID__CHAR gtk_marshal_NONE__CHAR
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#define g_cclosure_marshal_VOID__UCHAR gtk_marshal_NONE__UCHAR
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#define g_cclosure_marshal_VOID__INT gtk_marshal_NONE__INT
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#define g_cclosure_marshal_VOID__UINT gtk_marshal_NONE__UINT
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#define g_cclosure_marshal_VOID__LONG gtk_marshal_NONE__LONG
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#define g_cclosure_marshal_VOID__ULONG gtk_marshal_NONE__ULONG
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#define g_cclosure_marshal_VOID__ENUM gtk_marshal_NONE__ENUM
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#define g_cclosure_marshal_VOID__FLAGS gtk_marshal_NONE__FLAGS
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#define g_cclosure_marshal_VOID__FLOAT gtk_marshal_NONE__FLOAT
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#define g_cclosure_marshal_VOID__DOUBLE gtk_marshal_NONE__DOUBLE
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#define g_cclosure_marshal_VOID__STRING gtk_marshal_NONE__STRING
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#define g_cclosure_marshal_VOID__PARAM gtk_marshal_NONE__PARAM
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#define g_cclosure_marshal_VOID__BOXED gtk_marshal_NONE__BOXED
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#define g_cclosure_marshal_VOID__POINTER gtk_marshal_NONE__POINTER
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#define g_cclosure_marshal_VOID__OBJECT gtk_marshal_NONE__OBJECT
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#define g_cclosure_marshal_STRING__OBJECT_POINTER gtk_marshal_STRING__POINTER_POINTER
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#define g_cclosure_marshal_VOID__UINT_POINTER gtk_marshal_NONE__UINT_POINTER
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#define gst_marshal_VOID__VOID gtk_marshal_NONE__NONE
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#define gst_marshal_VOID__BOOLEAN gtk_marshal_NONE__BOOL
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#define gst_marshal_VOID__INT gtk_marshal_NONE__INT
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#define gst_marshal_VOID__INT_INT gtk_marshal_NONE__INT_INT
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#define gst_marshal_VOID__STRING gtk_marshal_NONE__STRING
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#define gst_marshal_VOID__POINTER gtk_marshal_NONE__POINTER
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#define gst_marshal_VOID__OBJECT gtk_marshal_NONE__POINTER
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#define gst_marshal_VOID__OBJECT_POINTER gtk_marshal_NONE__POINTER_POINTER
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#define gst_marshal_VOID__INT_INT gtk_marshal_NONE__INT_INT
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/* General macros */
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#ifdef __cplusplus
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# define G_BEGIN_DECLS extern "C" {
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# define G_END_DECLS }
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#else
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# define G_BEGIN_DECLS
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# define G_END_DECLS
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#endif
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// args
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//#define set_property set_arg
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//#define get_property get_arg
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#define g_object_get_property(obj,argname,pspec)\
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G_STMT_START{ \
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(pspec)->name = (gchar*)argname;\
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gtk_object_getv ((GtkObject *)(obj),1,(pspec));\
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}G_STMT_END
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#define g_object_set(o,args...) gtk_object_set ((GtkObject *) (o), ## args)
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// type system
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#define GType GtkType
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#define GTypeFlags guint
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#define GClassInitFunc GtkClassInitFunc
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#define GBaseInitFunc GtkClassInitFunc
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#define GInstanceInitFunc GtkObjectInitFunc
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#define g_type_class_peek_parent(c) gtk_type_parent_class (GTK_OBJECT_CLASS (c)->type)
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#define g_type_init gtk_type_init
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#define g_type_is_a gtk_type_is_a
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#define g_type_class_ref gtk_type_class
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#define g_type_class_unref(c)
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#define g_type_name(t) gtk_type_name(t)
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#define g_type_from_name(t) gtk_type_from_name(t)
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#define g_type_parent(t) gtk_type_parent(t)
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#define GEnumValue GtkEnumValue
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#define g_enum_register_static gtk_type_register_enum
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GType g2g_object_get_type (void);
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/*********************************
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* FIXME API NOT in glib2.0
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***********************************/
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// type registration
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typedef struct _GTypeInfo GTypeInfo;
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struct _GTypeInfo
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{
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/* interface types, classed types, instantiated types */
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guint16 class_size;
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GBaseInitFunc base_init;
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gpointer base_finalize;
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/* classed types, instantiated types */
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GClassInitFunc class_init;
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gpointer class_finalize;
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gconstpointer class_data;
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/* instantiated types */
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guint16 instance_size;
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guint16 n_preallocs;
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GInstanceInitFunc instance_init;
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/* value handling */
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const gpointer value_table;
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};
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#define G_TYPE_FLAG_ABSTRACT 0
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#define g_type_register_static g2g_type_register_static
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guint g2g_type_register_static (GtkType parent_type, gchar *type_name,
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const GTypeInfo *info, guint flags);
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// object creation
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#define g_object_new g2g_object_new
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gpointer g2g_object_new(GtkType type,gpointer blah_varargs_stuff);
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// disposal
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#define g_object_run_dispose g2g_object_run_dispose
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void g2g_object_run_dispose (GObject *object);
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#define G_SIGNAL_RUN_LAST GTK_RUN_LAST
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#define G_SIGNAL_RUN_FIRST GTK_RUN_FIRST
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#define G_SIGNAL_RUN_CLEANUP 0
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#define G_SIGNAL_NO_RECURSE GTK_RUN_NO_RECURSE
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#define G_SIGNAL_NO_HOOKS GTK_RUN_NO_HOOKS
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#define GCallback gpointer // FIXME?
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#define G_CALLBACK(f) ((gpointer)(f))
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#define g_signal_new g2g_signal_new
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#define g_signal_handlers_destroy(x)
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guint
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g2g_signal_new (const gchar *signal_name,
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GtkType object_type,
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GtkSignalRunType signal_flags,
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guint function_offset,
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gpointer accumulator, // GSignalAccumulator
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gpointer accu_data,
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GtkSignalMarshaller marshaller,
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GType return_type,
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guint nparams,
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...);
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#define \
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g_signal_emit(object,signal,detail,args...) \
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gtk_signal_emit((GtkObject *)object,signal, ## args )
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#define \
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g_signal_connect(object,name,func,func_data) \
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gtk_signal_connect((GtkObject *)object,name,func,func_data)
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#define \
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g_signal_emit_by_name(object,name,data,self) \
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gtk_signal_emit_by_name ((GtkObject *)object,name,data,self)
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#define \
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g_signal_has_handler_pending(object,name,data,may_block) \
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gtk_signal_handler_pending ((GtkObject *)object,name,may_block)
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#define g_signal_lookup gtk_signal_lookup
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#define g_signal_handler_block(o,id) gtk_signal_handler_block ((GtkObject *)(o), id)
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#define g_signal_handler_unblock(o,id) gtk_signal_handler_unblock ((GtkObject *)(o), id)
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gint* g_signal_list_ids (GType type, guint *n_ids);
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// lists
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GSList* g_slist_delete_link (GSList *list, GSList *link) __attribute__ ((no_instrument_function));
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// arguments/parameters
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// first define GValue and GParamSpec
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#define GValue GtkArg
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#define GParamFlags gint
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#define G_VALUE_TYPE(v) ((v)->type)
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#define G_PARAM_READWRITE GTK_ARG_READWRITE
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#define G_PARAM_READABLE GTK_ARG_READABLE
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#define G_PARAM_WRITABLE GTK_ARG_WRITABLE
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#define G_OBJECT_WARN_INVALID_PROPERTY_ID(a,b,c)
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typedef struct _GParamSpec GParamSpec;
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struct _GParamSpec {
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gchar *name;
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gint value_type;
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gint flags;
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};
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#define g_value_init(value,t) ((value)->type = (t))
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#define g_value_copy(src_val,dest_val) (dest_val = gtk_arg_copy(src_val,dest_val))
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#define g_value_unset(val)
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#define g_object_class_install_property g2g_object_class_install_property
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void g2g_object_class_install_property(GObjectClass *oclass,guint property_id,GParamSpec *pspec);
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#define g_object_class_find_property g2g_object_class_find_property
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GParamSpec *g2g_object_class_find_property(GObjectClass *oclass,const gchar *name);
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#define g_object_class_list_properties g2g_object_class_list_properties
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GParamSpec **g2g_object_class_list_properties(GObjectClass *oclass,guint *n_properties);
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#define G_IS_PARAM_SPEC_ENUM(pspec) (GTK_FUNDAMENTAL_TYPE(pspec->value_type) == GTK_TYPE_ENUM)
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#define g_param_spec_boolean g2g_param_spec_boolean
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GParamSpec *g2g_param_spec_boolean(gchar *name,gchar *nick,gchar *blurb,gboolean def,gint flags);
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#define g_param_spec_int g2g_param_spec_int
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GParamSpec *g2g_param_spec_int(gchar *name,gchar *nick,gchar *blurb,gint min,gint max,gint def,gint flags);
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#define g_param_spec_uint g2g_param_spec_uint
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GParamSpec *g2g_param_spec_uint(gchar *name,gchar *nick,gchar *blurb,guint min,guint max,guint def,gint flags);
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#define g_param_spec_long g2g_param_spec_long
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GParamSpec *g2g_param_spec_long(gchar *name,gchar *nick,gchar *blurb,glong min,glong max,glong def,gint flags);
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#define g_param_spec_ulong g2g_param_spec_ulong
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GParamSpec *g2g_param_spec_ulong(gchar *name,gchar *nick,gchar *blurb,gulong min,gulong max,gulong def,gint flags);
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#define g_param_spec_float g2g_param_spec_float
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GParamSpec *g2g_param_spec_float(gchar *name,gchar *nick,gchar *blurb,float min,float max,float def,gint flags);
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#define g_param_spec_double g2g_param_spec_double
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GParamSpec *g2g_param_spec_double(gchar *name,gchar *nick,gchar *blurb,double min,double max,double def,gint flags);
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#define g_param_spec_enum g2g_param_spec_enum
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GParamSpec *g2g_param_spec_enum(gchar *name,gchar *nick,gchar *blurb,GType e,guint def,gint flags);
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#define g_param_spec_pointer g2g_param_spec_pointer
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GParamSpec *g2g_param_spec_pointer(gchar *name,gchar *nick,gchar *blurb,gint flags);
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#define g_param_spec_string g2g_param_spec_string
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GParamSpec *g2g_param_spec_string(gchar *name,gchar *nick,gchar *blurb,gchar *def,gint flags);
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#define g_value_get_char(value) GTK_VALUE_CHAR(*value)
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#define g_value_set_char(value,data) (GTK_VALUE_CHAR(*value) = (data))
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#define g_value_get_uchar(value) GTK_VALUE_UCHAR(*value)
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#define g_value_set_uchar(value,data) (GTK_VALUE_UCHAR(*value) = (data))
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#define g_value_get_boolean(value) GTK_VALUE_BOOL(*value)
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#define g_value_set_boolean(value,data) (GTK_VALUE_BOOL(*value) = (data))
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#define g_value_get_enum(value) GTK_VALUE_INT(*value)
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#define g_value_set_enum(value,data) (GTK_VALUE_INT(*value) = (data))
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#define g_value_get_int(value) GTK_VALUE_INT(*value)
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#define g_value_set_int(value,data) (GTK_VALUE_INT(*value) = (data))
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#define g_value_get_uint(value) GTK_VALUE_UINT(*value)
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#define g_value_set_uint(value,data) (GTK_VALUE_UINT(*value) = (data))
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#define g_value_get_long(value) GTK_VALUE_LONG(*value)
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#define g_value_set_long(value,data) (GTK_VALUE_LONG(*value) = (data))
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#define g_value_get_ulong(value) GTK_VALUE_ULONG(*value)
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#define g_value_set_ulong(value,data) (GTK_VALUE_ULONG(*value) = (data))
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#define g_value_get_float(value) GTK_VALUE_FLOAT(*value)
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#define g_value_set_float(value,data) (GTK_VALUE_FLOAT(*value) = (data))
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#define g_value_get_double(value) GTK_VALUE_DOUBLE(*value)
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#define g_value_set_double(value,data) (GTK_VALUE_DOUBLE(*value) = (data))
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#define g_value_get_string(value) GTK_VALUE_STRING(*value)
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#define g_value_set_string(value,data) (GTK_VALUE_STRING(*value) = (data))
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#define g_value_get_pointer(value) GTK_VALUE_POINTER(*value)
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#define g_value_set_pointer(value,data) (GTK_VALUE_POINTER(*value) = (data))
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#define G_VALUE_HOLDS_CHAR(value) (((value)->type)==GTK_TYPE_CHAR)
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#define G_VALUE_HOLDS_UCHAR(value) (((value)->type)==GTK_TYPE_UCHAR)
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#define G_VALUE_HOLDS_BOOLEAN(value) (((value)->type)==GTK_TYPE_BOOL)
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#define G_VALUE_HOLDS_INT(value) (((value)->type)==GTK_TYPE_INT)
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#define G_VALUE_HOLDS_UINT(value) (((value)->type)==GTK_TYPE_UINT)
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#define G_VALUE_HOLDS_LONG(value) (((value)->type)==GTK_TYPE_LONG)
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#define G_VALUE_HOLDS_ULONG(value) (((value)->type)==GTK_TYPE_ULONG)
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#define G_VALUE_HOLDS_FLOAT(value) (((value)->type)==GTK_TYPE_FLOAT)
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#define G_VALUE_HOLDS_DOUBLE(value) (((value)->type)==GTK_TYPE_DOUBLE)
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#define G_VALUE_HOLDS_STRING(value) (((value)->type)==GTK_TYPE_STRING)
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#define G_VALUE_HOLDS_POINTER(value) (((value)->type)==GTK_TYPE_POINTER)
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// the object itself
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//#define GObject GtkObject
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//#define GObjectClass GtkObjectClass
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#define G_OBJECT(obj) ((GObject *)(obj))
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#define G_OBJECT_CLASS(c) ((GObjectClass *)(c))
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#define G_TYPE_OBJECT \
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(g2g_object_get_type())
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//#define G_OBJECT(obj)
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// (GTK_CHECK_CAST((obj),G_TYPE_OBJECT,GObject))
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//#define G_OBJECT_CLASS(klass)
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// (GTK_CHECK_CLASS_CAST((klass),G_TYPE_OBJECT,GObjectClass))
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#define G_IS_OBJECT(obj) \
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(GTK_CHECK_TYPE((obj),G_TYPE_OBJECT))
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#define G_IS_OBJECT_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),G_TYPE_OBJECT))
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struct _GObject {
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/***** THE FOLLOWING IS A VERBATIM COPY FROM GTKOBJECT *****/
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/* GtkTypeObject related fields: */
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GObjectClass *klass;
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/* 32 bits of flags. GtkObject only uses 4 of these bits and
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* GtkWidget uses the rest. This is done because structs are
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* aligned on 4 or 8 byte boundaries. If a new bitfield were
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* used in GtkWidget much space would be wasted.
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*/
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guint32 flags;
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/* reference count.
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* refer to the file docs/refcounting.txt on this issue.
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*/
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guint ref_count;
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/* A list of keyed data pointers, used for e.g. the list of signal
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* handlers or an object's user_data.
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*/
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GData *object_data;
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/***** END OF COPY FROM GTKOBJECT *****/
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};
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struct _GObjectClass {
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/***** THE FOLLOWING IS A VERBATIM COPY FROM GTKOBJECT *****/
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/* GtkTypeClass fields: */
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GtkType type;
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/* The signals this object class handles. "signals" is an
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* array of signal ID's.
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*/
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guint *signals;
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/* The number of signals listed in "signals".
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*/
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guint nsignals;
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/* The number of arguments per class.
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*/
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guint n_args;
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GSList *construct_args;
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/* Non overridable class methods to set and get per class arguments */
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void (*set_arg) (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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void (*get_arg) (GtkObject *object,
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GtkArg *arg,
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guint arg_id);
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/* The functions that will end an objects life time. In one way ore
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* another all three of them are defined for all objects. If an
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* object class overrides one of the methods in order to perform class
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* specific destruction then it must still invoke its superclass'
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* implementation of the method after it is finished with its
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* own cleanup. (See the destroy function for GtkWidget for
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* an example of how to do this).
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*/
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void (* dispose) (GObject *object);
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void (* destroy) (GObject *object);
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void (* finalize) (GObject *object);
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/***** END OF COPY FROM GTKOBJECT *****/
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void (*set_property) (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec);
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void (*get_property) (GObject *object, guint prop_id,
|
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GValue *value, GParamSpec *pspec);
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};
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GType g_object_get_type (void);
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#endif /* __GOBJECT_2_GTK_H__ */
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