//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())
}
