Set up the absolute basic Spinbox and implemented it on GTK+. This is easy as it's one control on GTK+; now we have to do it on Windows and Mac OS X. And on those platforms, those are two separate controls (a standard edit control and an up-down/NSSpinner).

1 files changed, 30 insertions, 0 deletions

diff --git a/spinbox_unix.go b/spinbox_unix.go
new file mode 100644
index 0000000..33ac2f3
--- /dev/null
+++ b/spinbox_unix.go
@@ -0,0 +1,30 @@
+// +build !windows,!darwin
+
+// 28 october 2014
+
+package ui
+
+import (
+	"unsafe"
+)
+
+// #include "gtk_unix.h"
+import "C"
+
+// TODO preferred width may be too wide
+
+type spinbox struct {
+	*controlSingleWidget
+	spinbutton	*C.GtkSpinButton
+}
+
+func newSpinbox() Spinbox {
+	widget := C.gtk_spin_button_new_with_range(0, 100, 1)
+	s := &spinbox{
+		controlSingleWidget:	newControlSingleWidget(widget),
+		spinbutton:			(*C.GtkSpinButton)(unsafe.Pointer(widget)),
+	}
+	C.gtk_spin_button_set_digits(s.spinbutton, 0)				// integers
+	C.gtk_spin_button_set_numeric(s.spinbutton, C.TRUE)		// digits only
+	return s
+}