Started fleshing out the Spinbox interface. Added Value() and SetValue(); implemented on GTK+. Added min and max to the constructor; implemented on GTK+.

1 files changed, 20 insertions, 2 deletions

diff --git a/spinbox_unix.go b/spinbox_unix.go
index 33ac2f3..b6b2ec3 100644
--- a/spinbox_unix.go
+++ b/spinbox_unix.go
@@ -18,8 +18,9 @@ type spinbox struct {
 	spinbutton	*C.GtkSpinButton
 }
 
-func newSpinbox() Spinbox {
-	widget := C.gtk_spin_button_new_with_range(0, 100, 1)
+func newSpinbox(min int, max int) Spinbox {
+	// gtk_spin_button_new_with_range() initially sets its value to the minimum value
+	widget := C.gtk_spin_button_new_with_range(C.gdouble(min), C.gdouble(max), 1)
 	s := &spinbox{
 		controlSingleWidget:	newControlSingleWidget(widget),
 		spinbutton:			(*C.GtkSpinButton)(unsafe.Pointer(widget)),
@@ -28,3 +29,20 @@ func newSpinbox() Spinbox {
 	C.gtk_spin_button_set_numeric(s.spinbutton, C.TRUE)		// digits only
 	return s
 }
+
+func (s *spinbox) Value() int {
+	return int(C.gtk_spin_button_get_value(s.spinbutton))
+}
+
+func (s *spinbox) SetValue(value int) {
+	var min, max C.gdouble
+
+	C.gtk_spin_button_get_range(s.spinbutton, &min, &max)
+	if value < int(min) {
+		value = int(min)
+	}
+	if value > int(max) {
+		value = int(max)
+	}
+	C.gtk_spin_button_set_value(s.spinbutton, C.gdouble(value))
+}