//export goTableModel_do_get_value func goTableModel_do_get_value(data unsafe.Pointer, row C.gint, col C.gint, value *C.GValue) { t := (*table)(data) t.RLock() defer t.RUnlock() d := reflect.Indirect(reflect.ValueOf(t.data)) datum := d.Index(int(row)).Field(int(col)) switch { case datum.Type() == reflect.TypeOf((*image.RGBA)(nil)): d := datum.Interface().(*image.RGBA) pixbuf := toIconSizedGdkPixbuf(d) C.g_value_init(value, C.gdk_pixbuf_get_type()) object := C.gpointer(unsafe.Pointer(pixbuf)) // use g_value_take_object() so the GtkTreeView becomes the pixbuf's owner C.g_value_take_object(value, object) case datum.Kind() == reflect.Bool: d := datum.Interface().(bool) C.g_value_init(value, C.G_TYPE_BOOLEAN) C.g_value_set_boolean(value, togbool(d)) default: s := fmt.Sprintf("%v", datum) str := togstr(s) defer freegstr(str) C.g_value_init(value, C.G_TYPE_STRING) C.g_value_set_string(value, str) } }
func toGValue(v interface{}) *C.GValue { value := C.gvalue_new() switch reflect.TypeOf(v).Kind() { case reflect.String: C.g_value_init(value, C.G_TYPE_STRING) cStr := C.CString(v.(string)) defer C.free(unsafe.Pointer(cStr)) C.g_value_set_string(value, (*C.gchar)(unsafe.Pointer(cStr))) case reflect.Int: C.g_value_init(value, C.G_TYPE_INT) C.g_value_set_int(value, C.gint(v.(int))) case reflect.Struct: switch rv := v.(type) { case Fraction: C.g_value_init(value, C.gst_fraction_get_type()) C.gst_value_set_fraction(value, C.gint(rv.N), C.gint(rv.D)) default: p("unknown struct type %v\n", v) panic("fixme") //TODO } case reflect.Ptr: switch reflect.TypeOf(v) { case gstCapsType: C.g_value_init(value, C.gst_caps_get_type()) C.gst_value_set_caps(value, v.(*C.GstCaps)) default: panic(fmt.Sprintf("unknown type %v", v)) //TODO } default: panic(fmt.Sprintf("unknown type %v", v)) //TODO } return value }
//export goTableModel_do_get_value func goTableModel_do_get_value(data unsafe.Pointer, row C.gint, col C.gint, value *C.GValue) { t := (*table)(data) t.RLock() defer t.RUnlock() d := reflect.Indirect(reflect.ValueOf(t.data)) datum := d.Index(int(row)).Field(int(col)) switch { case datum.Type() == reflect.TypeOf(ImageIndex(0)): d := datum.Interface().(ImageIndex) C.g_value_init(value, C.gdk_pixbuf_get_type()) C.g_value_set_object(value, C.gpointer(unsafe.Pointer(t.pixbufs[d]))) case datum.Kind() == reflect.Bool: d := datum.Interface().(bool) C.g_value_init(value, C.G_TYPE_BOOLEAN) C.g_value_set_boolean(value, togbool(d)) default: s := fmt.Sprintf("%v", datum) str := togstr(s) defer freegstr(str) C.g_value_init(value, C.G_TYPE_STRING) C.g_value_set_string(value, str) } }
func toGValue(v interface{}) *C.GValue { value := C.gvalue_new() switch reflect.TypeOf(v).Kind() { case reflect.String: C.g_value_init(value, C.G_TYPE_STRING) cStr := C.CString(v.(string)) defer C.free(unsafe.Pointer(cStr)) C.g_value_set_string(value, (*C.gchar)(unsafe.Pointer(cStr))) case reflect.Int: C.g_value_init(value, C.G_TYPE_INT) C.g_value_set_int(value, C.gint(v.(int))) case reflect.Ptr, reflect.UnsafePointer: p := unsafe.Pointer(reflect.ValueOf(v).Pointer()) if IsObject(p) { C.g_value_init(value, C.G_TYPE_OBJECT) C.g_value_set_object(value, C.gpointer(p)) } else { panic(fmt.Sprintf("unknown pointer type %v", v)) } default: panic(fmt.Sprintf("unknown type %v", v)) //TODO } return value }
func CreateCGValue(tn GType, object ...unsafe.Pointer) *GValue { var cv C.GValue C.g_value_init(&cv, C.GType(tn)) // If no data, then return Gvalue initialized with default if len(object) == 0 { gv := GValue{tn, &cv} return &gv } obj := object[0] // Foundamental types are special // TODO: Handle more cases, like creating GValue from GdkEvents switch tn { case G_TYPE_STRING: C.g_value_take_string(&cv, (*C.gchar)(obj)) case G_TYPE_BOOLEAN: C.g_value_set_boolean(&cv, *((*C.gboolean)(obj))) case G_TYPE_CHAR: C.g_value_set_char(&cv, *((*C.gchar)(obj))) case G_TYPE_INT: C.g_value_set_int(&cv, *((*C.gint)(obj))) case G_TYPE_LONG: C.g_value_set_long(&cv, *((*C.glong)(obj))) case G_TYPE_INT64: C.g_value_set_int64(&cv, *((*C.gint64)(obj))) case G_TYPE_UCHAR: C.g_value_set_uchar(&cv, *((*C.guchar)(obj))) case G_TYPE_UINT: C.g_value_set_uint(&cv, *((*C.guint)(obj))) case G_TYPE_ULONG: C.g_value_set_ulong(&cv, *((*C.gulong)(obj))) case G_TYPE_UINT64: C.g_value_set_uint64(&cv, *((*C.guint64)(obj))) case G_TYPE_FLOAT: C.g_value_set_float(&cv, *((*C.gfloat)(obj))) case G_TYPE_DOUBLE: C.g_value_set_double(&cv, *((*C.gdouble)(obj))) default: C.g_value_set_object(&cv, C.gpointer(obj)) } gv := GValue{tn, &cv} return &gv }
// Initializes value with the default value of type. func (v *Value) Init(t Type) { C.g_value_init(v.g(), t.g()) }
// g_value_init func (this *Value) Init(t Type) { C.g_value_init(this.asC(), t.asC()) }