mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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327 lines
7.3 KiB
C
327 lines
7.3 KiB
C
/* Written by Erik Walthinsen 06-2001 */
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/* Modified by Jamie Gennis 06-2001 */
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#include <string.h>
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#include <stdio.h>
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#include "gstlog.h"
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#include "gobject2gtk.h"
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// GObject dummy implementation
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static void
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g_object_set_arg(GtkObject *object, GtkArg *arg, guint id)
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{
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((GObjectClass *)object->klass)->set_property((GObject *)object,id,arg,NULL);
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}
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static void
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g_object_get_arg(GtkObject *object, GtkArg *arg, guint id)
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{
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((GObjectClass *)object->klass)->get_property((GObject *)object,id,arg,NULL);
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}
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static void
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g_object_base_class_init (GObjectClass *klass)
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{
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GtkObjectClass *gtkobject_class;
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gtkobject_class = (GtkObjectClass*) klass;
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gtkobject_class->set_arg = g_object_set_arg;
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gtkobject_class->get_arg = g_object_get_arg;
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}
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void
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g2g_object_run_dispose (GObject *object)
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{
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g_return_if_fail (G_IS_OBJECT (object));
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g_return_if_fail (object->ref_count > 0);
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g_object_ref (object);
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G_OBJECT_GET_CLASS (object)->dispose (object);
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g_object_unref (object);
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}
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GType
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g2g_object_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type) {
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static const GtkTypeInfo object_info = {
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"GObject",
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sizeof(GObject),
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sizeof(GObjectClass),
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(GtkClassInitFunc)NULL,
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(GtkObjectInitFunc)NULL,
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(GtkArgSetFunc)NULL,
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(GtkArgGetFunc)NULL,
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(GtkClassInitFunc)g_object_base_class_init,
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};
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object_type = gtk_type_unique(gtk_object_get_type(),&object_info);
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}
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return object_type;
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}
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guint
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g2g_type_register_static (GtkType parent_type, gchar *type_name,
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const GTypeInfo *info, guint flags)
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{
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GtkTypeInfo gtkinfo = {
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type_name,
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info->instance_size,
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info->class_size,
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info->class_init,
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info->instance_init,
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NULL,
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NULL,
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info->base_init,
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};
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return gtk_type_unique(parent_type,>kinfo);
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}
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gpointer
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g2g_object_new(GtkType type,gpointer blah_varargs_stuff) {
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return gtk_type_new(type);
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}
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void
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g2g_object_class_install_property(GObjectClass *oclass,guint property_id,GParamSpec *pspec)
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{
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gchar *arg_fullname;
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arg_fullname = g_strdup_printf("%s::%s",gtk_type_name(oclass->type),pspec->name);
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//fprintf(stderr,"installing arg \"%s\" into class \"%s\"\n",arg_fullname,"");
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gtk_object_add_arg_type(arg_fullname,pspec->value_type,pspec->flags,property_id);
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g_free(pspec);
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}
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GParamSpec *
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g2g_object_class_find_property(GObjectClass *class, const gchar *name)
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{
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GtkArgInfo *info;
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GParamSpec *spec;
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//fprintf(stderr,"class name is %s\n",gtk_type_name(class->type));
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gtk_object_arg_get_info(class->type,name,&info);
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spec = g_new0(GParamSpec,1);
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if (info) {
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spec->name = (gchar *) name;
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spec->value_type = info->type;
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spec->flags = info->arg_flags;
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} else {
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spec->value_type = GTK_TYPE_NONE;
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}
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return spec;
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}
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GParamSpec **
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g2g_object_class_list_properties(GObjectClass *oclass,guint *n_properties) {
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GType type = G_OBJECT_CLASS_TYPE (oclass);
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guint32 *flags;
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GtkArg *args;
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gint num_args;
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GParamSpec **params;
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int i;
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args = gtk_object_query_args (type, &flags, &num_args);
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// FIXME: args and flags need to be freed.
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params = g_new0(GParamSpec *,num_args);
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for (i=0;i<num_args;i++) {
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params[i] = g_new0(GParamSpec,1);
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params[i]->name = args[i].name;
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params[i]->value_type = args[i].type;
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params[i]->flags = flags[i];
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}
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*n_properties = num_args;
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return params;
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}
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GParamSpec *
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g2g_param_spec_boolean(gchar *name,gchar *nick,gchar *blurb,gboolean def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_BOOL;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_enum(gchar *name,gchar *nick,gchar *blurb,GtkType e,guint def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = e;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_int(gchar *name,gchar *nick,gchar *blurb,gint min,gint max,gint def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_INT;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_uint(gchar *name,gchar *nick,gchar *blurb,guint min,guint max,guint def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_UINT;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_long(gchar *name,gchar *nick,gchar *blurb,glong min,glong max,glong def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_LONG;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_ulong(gchar *name,gchar *nick,gchar *blurb,gulong min,gulong max,gulong def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_ULONG;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_float(gchar *name,gchar *nick,gchar *blurb,float min,float max,float def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_FLOAT;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_double(gchar *name,gchar *nick,gchar *blurb,double min,double max,double def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_DOUBLE;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_pointer(gchar *name,gchar *nick,gchar *blurb,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_POINTER;
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spec->flags = flags;
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return spec;
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}
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GParamSpec *
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g2g_param_spec_string(gchar *name,gchar *nick,gchar *blurb,gchar *def,gint flags) {
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GParamSpec *spec = g_new(GParamSpec,1);
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spec->name = name;
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spec->value_type = GTK_TYPE_STRING;
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spec->flags = flags;
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return spec;
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}
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guint
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g2g_signal_new (const gchar *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_val,
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guint nparams,
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...)
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{
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GtkType *params;
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guint i;
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va_list args;
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guint signal_id;
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if (strcmp (name, "destroy") == 0)
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name = "g2gdestroy";
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#define MAX_SIGNAL_PARAMS (31) // from gtksignal.c
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g_return_val_if_fail (nparams < MAX_SIGNAL_PARAMS, 0);
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if (nparams > 0)
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{
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params = g_new (GtkType, nparams);
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va_start (args, nparams);
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for (i = 0; i < nparams; i++)
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params[i] = va_arg (args, GtkType);
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va_end (args);
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}
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else
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params = NULL;
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signal_id = gtk_signal_newv (name,
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signal_flags,
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object_type,
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function_offset,
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marshaller,
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return_val,
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nparams,
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params);
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g_free (params);
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// now register it.
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gtk_object_class_add_signals(gtk_type_class(object_type), &signal_id, 1);
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return signal_id;
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}
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gint* g_signal_list_ids (GType type, guint *n_ids)
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{
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GtkObjectClass *class;
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class = gtk_type_class (type);
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*n_ids = class->nsignals;
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return class->signals;
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}
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